From nobody Sat Dec 21 15:50:00 2024 Delivered-To: importer@patchew.org Received-SPF: pass (zoho.com: domain of redhat.com designates 209.132.183.28 as permitted sender) client-ip=209.132.183.28; envelope-from=libvir-list-bounces@redhat.com; helo=mx1.redhat.com; Authentication-Results: mx.zohomail.com; spf=pass (zoho.com: domain of redhat.com designates 209.132.183.28 as permitted sender) smtp.mailfrom=libvir-list-bounces@redhat.com; dmarc=pass(p=none dis=none) header.from=redhat.com Return-Path: Received: from mx1.redhat.com (mx1.redhat.com [209.132.183.28]) by mx.zohomail.com with SMTPS id 1539865633639849.466643277597; Thu, 18 Oct 2018 05:27:13 -0700 (PDT) Received: from smtp.corp.redhat.com (int-mx02.intmail.prod.int.phx2.redhat.com [10.5.11.12]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mx1.redhat.com (Postfix) with ESMTPS id 5105B3D3; Thu, 18 Oct 2018 12:27:11 +0000 (UTC) Received: from colo-mx.corp.redhat.com (colo-mx01.intmail.prod.int.phx2.redhat.com [10.5.11.20]) by smtp.corp.redhat.com (Postfix) with ESMTPS id EC66785548; Thu, 18 Oct 2018 12:27:10 +0000 (UTC) Received: from lists01.pubmisc.prod.ext.phx2.redhat.com (lists01.pubmisc.prod.ext.phx2.redhat.com [10.5.19.33]) by colo-mx.corp.redhat.com (Postfix) with ESMTP id 36B0C180B5B7; Thu, 18 Oct 2018 12:27:10 +0000 (UTC) Received: from smtp.corp.redhat.com (int-mx03.intmail.prod.int.phx2.redhat.com [10.5.11.13]) by lists01.pubmisc.prod.ext.phx2.redhat.com (8.13.8/8.13.8) with ESMTP id w9ICR7De025882 for ; Thu, 18 Oct 2018 08:27:07 -0400 Received: by smtp.corp.redhat.com (Postfix) id 0F74A60922; Thu, 18 Oct 2018 12:27:07 +0000 (UTC) Received: from moe.brq.redhat.com (unknown [10.43.2.192]) by smtp.corp.redhat.com (Postfix) with ESMTP id 8899E60D58 for ; Thu, 18 Oct 2018 12:27:06 +0000 (UTC) From: Michal Privoznik To: libvir-list@redhat.com Date: Thu, 18 Oct 2018 14:26:39 +0200 Message-Id: <1707c04b65e554d88c9d8954cdbae07c25d839c0.1539865556.git.mprivozn@redhat.com> In-Reply-To: References: X-Scanned-By: MIMEDefang 2.79 on 10.5.11.13 X-loop: libvir-list@redhat.com Subject: [libvirt] [snmp PATCH 01/20] libvirtGuestTable.c: Free duplicated domain name X-BeenThere: libvir-list@redhat.com X-Mailman-Version: 2.1.12 Precedence: junk List-Id: Development discussions about the libvirt library & tools List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable Sender: libvir-list-bounces@redhat.com Errors-To: libvir-list-bounces@redhat.com X-Scanned-By: MIMEDefang 2.79 on 10.5.11.12 X-Greylist: Sender IP whitelisted, not delayed by milter-greylist-4.5.16 (mx1.redhat.com [10.5.110.29]); Thu, 18 Oct 2018 12:27:12 +0000 (UTC) X-ZohoMail: RDMRC_0 RSF_0 Z_629925259 SPT_0 Content-Type: text/plain; charset="utf-8" The domain name is duplicated in insertGuest() but it's never freed leading to the following memleak: 46 bytes in 6 blocks are definitely lost in loss record 795 of 944 at 0x4C2CF0F: malloc (vg_replace_malloc.c:299) by 0x6E6FE79: strdup (in /lib64/libc-2.26.so) by 0x10E665: insertGuest (libvirtSnmp.c:160) by 0x10EA7D: libvirtSnmpLoadGuests (libvirtSnmp.c:285) by 0x10DB01: libvirtGuestTable_container_load (libvirtGuestTable_data_a= ccess.c:230) by 0x1133E3: _cache_load (libvirtGuestTable_interface.c:1557) by 0x5F2955B: _cache_load (in /usr/lib64/libnetsnmpagent.so.30.0.3) by 0x5F2A7FF: netsnmp_cache_helper_handler (in /usr/lib64/libnetsnmpage= nt.so.30.0.3) by 0x5F3CE2C: netsnmp_call_next_handler (in /usr/lib64/libnetsnmpagent.= so.30.0.3) by 0x5F316B6: table_helper_handler (in /usr/lib64/libnetsnmpagent.so.30= .0.3) by 0x5F3C8E6: netsnmp_call_handlers (in /usr/lib64/libnetsnmpagent.so.3= 0.0.3) by 0x5F4A65E: handle_var_requests (in /usr/lib64/libnetsnmpagent.so.30.= 0.3) Signed-off-by: Michal Privoznik Reviewed-by: Martin Kletzander --- src/libvirtGuestTable.c | 4 +--- 1 file changed, 1 insertion(+), 3 deletions(-) diff --git a/src/libvirtGuestTable.c b/src/libvirtGuestTable.c index cb4c59f..80645f2 100644 --- a/src/libvirtGuestTable.c +++ b/src/libvirtGuestTable.c @@ -157,9 +157,7 @@ void libvirtGuestTable_rowreq_ctx_cleanup(libvirtGuestT= able_rowreq_ctx *rowreq_c =20 netsnmp_assert(NULL !=3D rowreq_ctx); =20 - /* - * TODO:211:o: |-> Perform extra libvirtGuestTable rowreq cleanup. - */ + free(rowreq_ctx->data.libvirtGuestName); } /* libvirtGuestTable_rowreq_ctx_cleanup */ =20 /** --=20 2.18.1 -- libvir-list mailing list libvir-list@redhat.com https://www.redhat.com/mailman/listinfo/libvir-list From nobody Sat Dec 21 15:50:00 2024 Delivered-To: importer@patchew.org Received-SPF: pass (zoho.com: domain of redhat.com designates 209.132.183.28 as permitted sender) client-ip=209.132.183.28; envelope-from=libvir-list-bounces@redhat.com; helo=mx1.redhat.com; Authentication-Results: mx.zohomail.com; spf=pass (zoho.com: domain of redhat.com designates 209.132.183.28 as permitted sender) smtp.mailfrom=libvir-list-bounces@redhat.com; dmarc=pass(p=none dis=none) header.from=redhat.com Return-Path: Received: from mx1.redhat.com (mx1.redhat.com [209.132.183.28]) by mx.zohomail.com with SMTPS id 1539865633344396.1764697276277; Thu, 18 Oct 2018 05:27:13 -0700 (PDT) Received: from smtp.corp.redhat.com (int-mx07.intmail.prod.int.phx2.redhat.com [10.5.11.22]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mx1.redhat.com (Postfix) with ESMTPS id 0206B30025F6; Thu, 18 Oct 2018 12:27:11 +0000 (UTC) Received: from colo-mx.corp.redhat.com (colo-mx02.intmail.prod.int.phx2.redhat.com [10.5.11.21]) by smtp.corp.redhat.com (Postfix) with ESMTPS id 929B910018F8; Thu, 18 Oct 2018 12:27:10 +0000 (UTC) Received: from lists01.pubmisc.prod.ext.phx2.redhat.com (lists01.pubmisc.prod.ext.phx2.redhat.com [10.5.19.33]) by colo-mx.corp.redhat.com (Postfix) with ESMTP id EF6723D60; Thu, 18 Oct 2018 12:27:09 +0000 (UTC) Received: from smtp.corp.redhat.com (int-mx03.intmail.prod.int.phx2.redhat.com [10.5.11.13]) by lists01.pubmisc.prod.ext.phx2.redhat.com (8.13.8/8.13.8) with ESMTP id w9ICR7Sc025890 for ; Thu, 18 Oct 2018 08:27:07 -0400 Received: by smtp.corp.redhat.com (Postfix) id DD0A260922; Thu, 18 Oct 2018 12:27:07 +0000 (UTC) Received: from moe.brq.redhat.com (unknown [10.43.2.192]) by smtp.corp.redhat.com (Postfix) with ESMTP id 5E8A360D58 for ; Thu, 18 Oct 2018 12:27:07 +0000 (UTC) From: Michal Privoznik To: libvir-list@redhat.com Date: Thu, 18 Oct 2018 14:26:40 +0200 Message-Id: In-Reply-To: References: X-Scanned-By: MIMEDefang 2.79 on 10.5.11.13 X-loop: libvir-list@redhat.com Subject: [libvirt] [snmp PATCH 02/20] libvirtSnmp.c: Retab and realign X-BeenThere: libvir-list@redhat.com X-Mailman-Version: 2.1.12 Precedence: junk List-Id: Development discussions about the libvirt library & tools List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable Sender: libvir-list-bounces@redhat.com Errors-To: libvir-list-bounces@redhat.com X-Scanned-By: MIMEDefang 2.84 on 10.5.11.22 X-Greylist: Sender IP whitelisted, not delayed by milter-greylist-4.5.16 (mx1.redhat.com [10.5.110.40]); Thu, 18 Oct 2018 12:27:12 +0000 (UTC) X-ZohoMail: RDMRC_0 RSF_0 Z_629925259 SPT_0 Content-Type: text/plain; charset="utf-8" This file contains tabs, is misaligned and ugly. Fix this. Signed-off-by: Michal Privoznik Reviewed-by: Martin Kletzander --- src/libvirtSnmp.c | 175 +++++++++++++++++++++++----------------------- 1 file changed, 87 insertions(+), 88 deletions(-) diff --git a/src/libvirtSnmp.c b/src/libvirtSnmp.c index 2bd8f01..805cd6f 100644 --- a/src/libvirtSnmp.c +++ b/src/libvirtSnmp.c @@ -98,18 +98,18 @@ showError(virConnectPtr conn) break; =20 case -1: - snmp_log(LOG_ERR, "Parameter error when attempting to get last error\= n"); + snmp_log(LOG_ERR, "Parameter error when attempting to get last err= or\n"); break; =20 default: - snmp_log(LOG_ERR, "libvirt reported: \"%s\"\n", err->message); + snmp_log(LOG_ERR, "libvirt reported: \"%s\"\n", err->message); break; } =20 virResetError(err); free(err); =20 -out: + out: return; } =20 @@ -185,7 +185,7 @@ insertGuest(netsnmp_container *container, virDomainPtr = domain) goto out; } =20 -out: + out: return ret; } =20 @@ -218,8 +218,8 @@ libvirtSnmpLoadGuests(netsnmp_container *container) } =20 numIds =3D virConnectListDomains(conn, - idList, - numActiveDomains); + idList, + numActiveDomains); =20 if (-1 =3D=3D numIds) { ret =3D -1; @@ -233,7 +233,7 @@ libvirtSnmpLoadGuests(netsnmp_container *container) if (NULL =3D=3D domain) { printf("Failed to lookup domain\n"); showError(conn); - ret =3D -1; + ret =3D -1; goto out; } =20 @@ -263,8 +263,8 @@ libvirtSnmpLoadGuests(netsnmp_container *container) } =20 numNames =3D virConnectListDefinedDomains(conn, - nameList, - numDefinedDomains); + nameList, + numDefinedDomains); =20 if (-1 =3D=3D numNames) { ret =3D -1; @@ -290,16 +290,17 @@ libvirtSnmpLoadGuests(netsnmp_container *container) goto out_inact; } =20 -out_inact: + out_inact: free(nameList); -out: + out: free(idList); return ret; } =20 /* Polling thread function */ void * -pollingThreadFunc(void *foo) { +pollingThreadFunc(void *foo) +{ while (run) { #ifdef LIBVIRT_OLD if (virEventPollRunOnce() < 0) { @@ -341,8 +342,7 @@ libvirtRegisterEvents(virConnectPtr conn) { pthread_attr_init(&thread_attr); pthread_attr_setdetachstate(&thread_attr, PTHREAD_CREATE_JOINABLE); =20 - if (pthread_create - (&poll_thread, &thread_attr, pollingThreadFunc, NULL)) + if (pthread_create(&poll_thread, &thread_attr, pollingThreadFunc, NULL= )) return -1; =20 pthread_attr_destroy(&thread_attr); @@ -373,13 +373,12 @@ int libvirtSnmpInit(void) if (virEventPollInit() < 0) return -1; =20 - virEventRegisterImpl( - virEventPollAddHandle, - virEventPollUpdateHandle, - virEventPollRemoveHandle, - virEventPollAddTimeout, - virEventPollUpdateTimeout, - virEventPollRemoveTimeout); + virEventRegisterImpl(virEventPollAddHandle, + virEventPollUpdateHandle, + virEventPollRemoveHandle, + virEventPollAddTimeout, + virEventPollUpdateTimeout, + virEventPollRemoveTimeout); #else virEventRegisterDefaultImpl(); #endif @@ -437,95 +436,95 @@ void libvirtSnmpShutdown(void) int libvirtSnmpCheckDomainExists(unsigned char *uuid) { - virDomainPtr d =3D virDomainLookupByUUID(conn, uuid); - if (d =3D=3D NULL) - return -1; + virDomainPtr d =3D virDomainLookupByUUID(conn, uuid); + if (d =3D=3D NULL) + return -1; =20 - virDomainFree(d); - return 0; + virDomainFree(d); + return 0; } =20 int libvirtSnmpCreate(unsigned char *uuid, int state) { - virDomainPtr dom; - int ret; - unsigned int flags =3D 0; + virDomainPtr dom; + int ret; + unsigned int flags =3D 0; =20 - dom =3D virDomainLookupByUUID(conn, uuid); - if (dom =3D=3D NULL) { - printf("Cannot find domain to create\n"); - return -1; - } + dom =3D virDomainLookupByUUID(conn, uuid); + if (dom =3D=3D NULL) { + printf("Cannot find domain to create\n"); + return -1; + } =20 - switch(state) { - case VIR_DOMAIN_RUNNING: - flags =3D 0; - break; - case VIR_DOMAIN_PAUSED: - flags =3D VIR_DOMAIN_START_PAUSED; - break; - default: - printf("Can't create domain with state %d\n", flags); - return -1; - } + switch(state) { + case VIR_DOMAIN_RUNNING: + flags =3D 0; + break; + case VIR_DOMAIN_PAUSED: + flags =3D VIR_DOMAIN_START_PAUSED; + break; + default: + printf("Can't create domain with state %d\n", flags); + return -1; + } =20 - ret =3D virDomainCreateWithFlags(dom, flags); - if (ret) { - showError(conn); - } - virDomainFree(dom); - return ret; + ret =3D virDomainCreateWithFlags(dom, flags); + if (ret) { + showError(conn); + } + virDomainFree(dom); + return ret; } =20 int libvirtSnmpDestroy(unsigned char *uuid) { - virDomainPtr dom; - int ret; + virDomainPtr dom; + int ret; =20 - dom =3D virDomainLookupByUUID(conn, uuid); - if (dom =3D=3D NULL) { - printf("Cannot find domain to destroy\n"); - return -1; - } + dom =3D virDomainLookupByUUID(conn, uuid); + if (dom =3D=3D NULL) { + printf("Cannot find domain to destroy\n"); + return -1; + } =20 - ret =3D virDomainDestroy(dom); - if (ret) { - showError(conn); - } - virDomainFree(dom); - return ret; + ret =3D virDomainDestroy(dom); + if (ret) { + showError(conn); + } + virDomainFree(dom); + return ret; } =20 int libvirtSnmpChangeState(unsigned char *uuid, int newstate, int oldstate) { - virDomainPtr dom; - int ret =3D 0; + virDomainPtr dom; + int ret =3D 0; =20 - dom =3D virDomainLookupByUUID(conn, uuid); - if (dom =3D=3D NULL) { - printf("Cannot find domain to change\n"); - return 1; - } + dom =3D virDomainLookupByUUID(conn, uuid); + if (dom =3D=3D NULL) { + printf("Cannot find domain to change\n"); + return 1; + } =20 - if (oldstate =3D=3D VIR_DOMAIN_RUNNING && newstate =3D=3D VIR_DOMAIN_PAUS= ED) - ret =3D virDomainSuspend(dom); - else if (oldstate =3D=3D VIR_DOMAIN_PAUSED && newstate =3D=3D VIR_DOMAIN_= RUNNING) - ret =3D virDomainResume(dom); - else if (newstate =3D=3D VIR_DOMAIN_SHUTDOWN) - ret =3D virDomainShutdown(dom); - else { - printf("Wrong state transition from %d to %d\n", oldstate, newstate); - ret =3D -1; - goto out; - } + if (oldstate =3D=3D VIR_DOMAIN_RUNNING && newstate =3D=3D VIR_DOMAIN_P= AUSED) + ret =3D virDomainSuspend(dom); + else if (oldstate =3D=3D VIR_DOMAIN_PAUSED && newstate =3D=3D VIR_DOMA= IN_RUNNING) + ret =3D virDomainResume(dom); + else if (newstate =3D=3D VIR_DOMAIN_SHUTDOWN) + ret =3D virDomainShutdown(dom); + else { + printf("Wrong state transition from %d to %d\n", oldstate, newstat= e); + ret =3D -1; + goto out; + } =20 - if (ret !=3D 0) { - showError(conn); - } -out: - virDomainFree(dom); - return ret; + if (ret !=3D 0) { + showError(conn); + } + out: + virDomainFree(dom); + return ret; } --=20 2.18.1 -- libvir-list mailing list libvir-list@redhat.com https://www.redhat.com/mailman/listinfo/libvir-list From nobody Sat Dec 21 15:50:00 2024 Delivered-To: importer@patchew.org Received-SPF: pass (zoho.com: domain of redhat.com designates 209.132.183.28 as permitted sender) client-ip=209.132.183.28; envelope-from=libvir-list-bounces@redhat.com; helo=mx1.redhat.com; Authentication-Results: mx.zohomail.com; spf=pass (zoho.com: domain of redhat.com designates 209.132.183.28 as permitted sender) smtp.mailfrom=libvir-list-bounces@redhat.com; dmarc=pass(p=none dis=none) header.from=redhat.com Return-Path: Received: from mx1.redhat.com (mx1.redhat.com [209.132.183.28]) by mx.zohomail.com with SMTPS id 1539865649327547.4105133964239; Thu, 18 Oct 2018 05:27:29 -0700 (PDT) Received: from smtp.corp.redhat.com (int-mx05.intmail.prod.int.phx2.redhat.com [10.5.11.15]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mx1.redhat.com (Postfix) with ESMTPS id A3FA3227DB; Thu, 18 Oct 2018 12:27:26 +0000 (UTC) Received: from colo-mx.corp.redhat.com (colo-mx01.intmail.prod.int.phx2.redhat.com [10.5.11.20]) by smtp.corp.redhat.com (Postfix) with ESMTPS id 504A55D756; Thu, 18 Oct 2018 12:27:26 +0000 (UTC) Received: from lists01.pubmisc.prod.ext.phx2.redhat.com (lists01.pubmisc.prod.ext.phx2.redhat.com [10.5.19.33]) by colo-mx.corp.redhat.com (Postfix) with ESMTP id BCC4818005B3; Thu, 18 Oct 2018 12:27:25 +0000 (UTC) Received: from smtp.corp.redhat.com (int-mx03.intmail.prod.int.phx2.redhat.com [10.5.11.13]) by lists01.pubmisc.prod.ext.phx2.redhat.com (8.13.8/8.13.8) with ESMTP id w9ICR9jK025897 for ; Thu, 18 Oct 2018 08:27:09 -0400 Received: by smtp.corp.redhat.com (Postfix) id 369E860BF8; Thu, 18 Oct 2018 12:27:09 +0000 (UTC) Received: from moe.brq.redhat.com (unknown [10.43.2.192]) by smtp.corp.redhat.com (Postfix) with ESMTP id 37B6160922 for ; Thu, 18 Oct 2018 12:27:08 +0000 (UTC) From: Michal Privoznik To: libvir-list@redhat.com Date: Thu, 18 Oct 2018 14:26:41 +0200 Message-Id: In-Reply-To: References: MIME-Version: 1.0 X-Scanned-By: MIMEDefang 2.79 on 10.5.11.13 X-loop: libvir-list@redhat.com Subject: [libvirt] [snmp PATCH 03/20] configure: Drop support for libvirt older than 0.9.0 X-BeenThere: libvir-list@redhat.com X-Mailman-Version: 2.1.12 Precedence: junk List-Id: Development discussions about the libvirt library & tools List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: quoted-printable Sender: libvir-list-bounces@redhat.com Errors-To: libvir-list-bounces@redhat.com X-Scanned-By: MIMEDefang 2.79 on 10.5.11.15 X-Greylist: Sender IP whitelisted, not delayed by milter-greylist-4.5.16 (mx1.redhat.com [10.5.110.26]); Thu, 18 Oct 2018 12:27:27 +0000 (UTC) X-ZohoMail: RDMRC_0 RSF_0 Z_629925259 SPT_0 Historically, we wanted libvirt-snmp to build on RHEL-6.0 which contained ancient libvirt. It's not the case anymore - after six years it is safe to assume everybody upgraded to something newer. Signed-off-by: Michal Privoznik Reviewed-by: Martin Kletzander --- configure.ac | 29 +- src/Makefile.am | 18 -- src/event_poll.c | 724 --------------------------------------------- src/event_poll.h | 132 --------- src/ignore-value.h | 64 ---- src/internal.h | 138 --------- src/libvirtSnmp.c | 24 +- src/memory.c | 313 -------------------- src/memory.h | 212 ------------- src/threads.c | 251 ---------------- src/threads.h | 101 ------- src/util.c | 105 ------- src/util.h | 38 --- 13 files changed, 2 insertions(+), 2147 deletions(-) delete mode 100644 src/event_poll.c delete mode 100644 src/event_poll.h delete mode 100644 src/ignore-value.h delete mode 100644 src/internal.h delete mode 100644 src/memory.c delete mode 100644 src/memory.h delete mode 100644 src/threads.c delete mode 100644 src/threads.h delete mode 100644 src/util.c delete mode 100644 src/util.h diff --git a/configure.ac b/configure.ac index b8cc784..7834c34 100644 --- a/configure.ac +++ b/configure.ac @@ -23,39 +23,12 @@ dnl =20 =20 dnl do we have libvirt installed? -LIBVIRT_REQUIRED=3D0.8.0 +LIBVIRT_REQUIRED=3D0.9.0 =20 PKG_CHECK_MODULES(LIBVIRT, libvirt >=3D $LIBVIRT_REQUIRED) LIBVIRT_LIBS=3D"$LIBVIRT_LIBS -lvirt" AC_SUBST(LIBVIRT_LIBS) =20 -dnl do we have old libvirt? -save_CFLAGS=3D"$CFLAGS" -save_LDFLAGS=3D"$LDFLAGS" -save_LIBS=3D"$LIBS" -CFLAGS=3D"$CFLAGS $LIBVIRT_CFLAGS" -LDFLAGS=3D"$CFLAGS $LIBVIRT_LIBS" -AC_CHECK_LIB([virt], [virEventRunDefaultImpl], [old=3D0], [old=3D1]) -CFLAGS=3D"$save_CFLAGS" -LDFLAGS=3D"$save_LDFLAGS" -LIBS=3D"$save_LIBS" -if test $old =3D 1 ; then - AC_DEFINE_UNQUOTED([LIBVIRT_OLD], ["$old"], [we are using old libvirt - which does not have new event api]) - AC_CHECK_FUNCS([gettimeofday]) - AC_CHECK_FUNCS([memmove]) - AC_CHECK_HEADERS([fcntl.h]) - AC_CHECK_HEADERS([stddef.h]) - AC_CHECK_HEADERS([sys/time.h]) - AC_CHECK_TYPES([ptrdiff_t]) - AC_C_INLINE - AC_FUNC_REALLOC - AC_HEADER_STDBOOL - AC_TYPE_PID_T - AC_HEADER_TIME -fi -AM_CONDITIONAL([LIBVIRT_OLD], [test $old =3D 1]) - SNMP_CONFIG=3D"net-snmp-config" SNMP_CFLAGS=3D"" SNMP_LIBS=3D"" diff --git a/src/Makefile.am b/src/Makefile.am index 622a280..0c9b856 100644 --- a/src/Makefile.am +++ b/src/Makefile.am @@ -1,19 +1,5 @@ bin_PROGRAMS=3DlibvirtMib_subagent =20 -LIBVIRT_OLD_SRCS =3D \ - threads.c \ - event_poll.c \ - memory.c \ - util.c - -LIBVIRT_OLD_HDRS =3D \ - internal.h \ - ignore-value.h \ - threads.h \ - event_poll.h \ - memory.h \ - util.h - USER_SRCS =3D \ libvirtGuestTable_data_get.c \ libvirtGuestTable_data_set.c \ @@ -61,10 +47,6 @@ libvirtMib_subagent_LDADD=3D \ $(LIBVIRT_LIBS) \ $(SNMP_LIBS) =20 -if LIBVIRT_OLD -libvirtMib_subagent_SOURCES+=3D${LIBVIRT_OLD_SRCS} ${LIBVIRT_OLD_HDRS} -endif - EXTRA_DIST =3D LIBVIRT-MIB.txt =20 install-data-local: diff --git a/src/event_poll.c b/src/event_poll.c deleted file mode 100644 index f8c4a8b..0000000 --- a/src/event_poll.c +++ /dev/null @@ -1,724 +0,0 @@ -/* - * event.c: event loop for monitoring file handles - * - * Copyright (C) 2007, 2010-2011 Red Hat, Inc. - * Copyright (C) 2007 Daniel P. Berrange - * - * This library is free software; you can redistribute it and/or - * modify it under the terms of the GNU Lesser General Public - * License as published by the Free Software Foundation; either - * version 2.1 of the License, or (at your option) any later version. - * - * This library is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU - * Lesser General Public License for more details. - * - * You should have received a copy of the GNU Lesser General Public - * License along with this library; if not, write to the Free Software - * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA - * - * Author: Daniel P. Berrange - */ - -#include - -#include -#include -#include -#include -#include -#include - -#include "threads.h" -#include "event_poll.h" -#include "memory.h" -#include "util.h" -#include "ignore-value.h" - -#define EVENT_DEBUG(fmt, ...) VIR_DEBUG(fmt, __VA_ARGS__) - -static int virEventPollInterruptLocked(void); - -/* State for a single file handle being monitored */ -struct virEventPollHandle { - int watch; - int fd; - int events; - virEventHandleCallback cb; - virFreeCallback ff; - void *opaque; - int deleted; -}; - -/* State for a single timer being generated */ -struct virEventPollTimeout { - int timer; - int frequency; - unsigned long long expiresAt; - virEventTimeoutCallback cb; - virFreeCallback ff; - void *opaque; - int deleted; -}; - -/* Allocate extra slots for virEventPollHandle/virEventPollTimeout - records in this multiple */ -#define EVENT_ALLOC_EXTENT 10 - -/* State for the main event loop */ -struct virEventPollLoop { - virMutex lock; - int running; - virThread leader; - int wakeupfd[2]; - size_t handlesCount; - size_t handlesAlloc; - struct virEventPollHandle *handles; - size_t timeoutsCount; - size_t timeoutsAlloc; - struct virEventPollTimeout *timeouts; -}; - -/* Only have one event loop */ -static struct virEventPollLoop eventLoop; - -/* Unique ID for the next FD watch to be registered */ -static int nextWatch =3D 1; - -/* Unique ID for the next timer to be registered */ -static int nextTimer =3D 1; - -/* - * Register a callback for monitoring file handle events. - * NB, it *must* be safe to call this from within a callback - * For this reason we only ever append to existing list. - */ -int virEventPollAddHandle(int fd, int events, - virEventHandleCallback cb, - void *opaque, - virFreeCallback ff) { - int watch; - EVENT_DEBUG("Add handle fd=3D%d events=3D%d cb=3D%p opaque=3D%p", fd, = events, cb, opaque); - virMutexLock(&eventLoop.lock); - if (eventLoop.handlesCount =3D=3D eventLoop.handlesAlloc) { - EVENT_DEBUG("Used %zu handle slots, adding at least %d more", - eventLoop.handlesAlloc, EVENT_ALLOC_EXTENT); - if (VIR_RESIZE_N(eventLoop.handles, eventLoop.handlesAlloc, - eventLoop.handlesCount, EVENT_ALLOC_EXTENT) < 0) { - virMutexUnlock(&eventLoop.lock); - return -1; - } - } - - watch =3D nextWatch++; - - eventLoop.handles[eventLoop.handlesCount].watch =3D watch; - eventLoop.handles[eventLoop.handlesCount].fd =3D fd; - eventLoop.handles[eventLoop.handlesCount].events =3D - virEventPollToNativeEvents(events= ); - eventLoop.handles[eventLoop.handlesCount].cb =3D cb; - eventLoop.handles[eventLoop.handlesCount].ff =3D ff; - eventLoop.handles[eventLoop.handlesCount].opaque =3D opaque; - eventLoop.handles[eventLoop.handlesCount].deleted =3D 0; - - eventLoop.handlesCount++; - - virEventPollInterruptLocked(); - virMutexUnlock(&eventLoop.lock); - - return watch; -} - -void virEventPollUpdateHandle(int watch, int events) { - int i; - EVENT_DEBUG("Update handle w=3D%d e=3D%d", watch, events); - - if (watch <=3D 0) { - VIR_WARN("Ignoring invalid update watch %d", watch); - return; - } - - virMutexLock(&eventLoop.lock); - for (i =3D 0 ; i < eventLoop.handlesCount ; i++) { - if (eventLoop.handles[i].watch =3D=3D watch) { - eventLoop.handles[i].events =3D - virEventPollToNativeEvents(events); - virEventPollInterruptLocked(); - break; - } - } - virMutexUnlock(&eventLoop.lock); -} - -/* - * Unregister a callback from a file handle - * NB, it *must* be safe to call this from within a callback - * For this reason we only ever set a flag in the existing list. - * Actual deletion will be done out-of-band - */ -int virEventPollRemoveHandle(int watch) { - int i; - EVENT_DEBUG("Remove handle w=3D%d", watch); - - if (watch <=3D 0) { - VIR_WARN("Ignoring invalid remove watch %d", watch); - return -1; - } - - virMutexLock(&eventLoop.lock); - for (i =3D 0 ; i < eventLoop.handlesCount ; i++) { - if (eventLoop.handles[i].deleted) - continue; - - if (eventLoop.handles[i].watch =3D=3D watch) { - EVENT_DEBUG("mark delete %d %d", i, eventLoop.handles[i].fd); - eventLoop.handles[i].deleted =3D 1; - virEventPollInterruptLocked(); - virMutexUnlock(&eventLoop.lock); - return 0; - } - } - virMutexUnlock(&eventLoop.lock); - return -1; -} - - -/* - * Register a callback for a timer event - * NB, it *must* be safe to call this from within a callback - * For this reason we only ever append to existing list. - */ -int virEventPollAddTimeout(int frequency, - virEventTimeoutCallback cb, - void *opaque, - virFreeCallback ff) { - struct timeval now; - int ret; - EVENT_DEBUG("Adding timer %d with %d ms freq", nextTimer, frequency); - if (gettimeofday(&now, NULL) < 0) { - return -1; - } - - virMutexLock(&eventLoop.lock); - if (eventLoop.timeoutsCount =3D=3D eventLoop.timeoutsAlloc) { - EVENT_DEBUG("Used %zu timeout slots, adding at least %d more", - eventLoop.timeoutsAlloc, EVENT_ALLOC_EXTENT); - if (VIR_RESIZE_N(eventLoop.timeouts, eventLoop.timeoutsAlloc, - eventLoop.timeoutsCount, EVENT_ALLOC_EXTENT) < 0)= { - virMutexUnlock(&eventLoop.lock); - return -1; - } - } - - eventLoop.timeouts[eventLoop.timeoutsCount].timer =3D nextTimer++; - eventLoop.timeouts[eventLoop.timeoutsCount].frequency =3D frequency; - eventLoop.timeouts[eventLoop.timeoutsCount].cb =3D cb; - eventLoop.timeouts[eventLoop.timeoutsCount].ff =3D ff; - eventLoop.timeouts[eventLoop.timeoutsCount].opaque =3D opaque; - eventLoop.timeouts[eventLoop.timeoutsCount].deleted =3D 0; - eventLoop.timeouts[eventLoop.timeoutsCount].expiresAt =3D - frequency >=3D 0 ? frequency + - (((unsigned long long)now.tv_sec)*1000) + - (((unsigned long long)now.tv_usec)/1000) : 0; - - eventLoop.timeoutsCount++; - ret =3D nextTimer-1; - virEventPollInterruptLocked(); - virMutexUnlock(&eventLoop.lock); - return ret; -} - -void virEventPollUpdateTimeout(int timer, int frequency) { - struct timeval tv; - int i; - EVENT_DEBUG("Updating timer %d timeout with %d ms freq", timer, freque= ncy); - - if (timer <=3D 0) { - VIR_WARN("Ignoring invalid update timer %d", timer); - return; - } - - if (gettimeofday(&tv, NULL) < 0) { - return; - } - - virMutexLock(&eventLoop.lock); - for (i =3D 0 ; i < eventLoop.timeoutsCount ; i++) { - if (eventLoop.timeouts[i].timer =3D=3D timer) { - eventLoop.timeouts[i].frequency =3D frequency; - eventLoop.timeouts[i].expiresAt =3D - frequency >=3D 0 ? frequency + - (((unsigned long long)tv.tv_sec)*1000) + - (((unsigned long long)tv.tv_usec)/1000) : 0; - virEventPollInterruptLocked(); - break; - } - } - virMutexUnlock(&eventLoop.lock); -} - -/* - * Unregister a callback for a timer - * NB, it *must* be safe to call this from within a callback - * For this reason we only ever set a flag in the existing list. - * Actual deletion will be done out-of-band - */ -int virEventPollRemoveTimeout(int timer) { - int i; - EVENT_DEBUG("Remove timer %d", timer); - - if (timer <=3D 0) { - VIR_WARN("Ignoring invalid remove timer %d", timer); - return -1; - } - - virMutexLock(&eventLoop.lock); - for (i =3D 0 ; i < eventLoop.timeoutsCount ; i++) { - if (eventLoop.timeouts[i].deleted) - continue; - - if (eventLoop.timeouts[i].timer =3D=3D timer) { - eventLoop.timeouts[i].deleted =3D 1; - virEventPollInterruptLocked(); - virMutexUnlock(&eventLoop.lock); - return 0; - } - } - virMutexUnlock(&eventLoop.lock); - return -1; -} - -/* Iterates over all registered timeouts and determine which - * will be the first to expire. - * @timeout: filled with expiry time of soonest timer, or -1 if - * no timeout is pending - * returns: 0 on success, -1 on error - */ -static int virEventPollCalculateTimeout(int *timeout) { - unsigned long long then =3D 0; - int i; - EVENT_DEBUG("Calculate expiry of %zu timers", eventLoop.timeoutsCount); - /* Figure out if we need a timeout */ - for (i =3D 0 ; i < eventLoop.timeoutsCount ; i++) { - if (eventLoop.timeouts[i].frequency < 0) - continue; - - EVENT_DEBUG("Got a timeout scheduled for %llu", eventLoop.timeouts= [i].expiresAt); - if (then =3D=3D 0 || - eventLoop.timeouts[i].expiresAt < then) - then =3D eventLoop.timeouts[i].expiresAt; - } - - /* Calculate how long we should wait for a timeout if needed */ - if (then > 0) { - struct timeval tv; - - if (gettimeofday(&tv, NULL) < 0) { - perror("Unable to get current time"); - return -1; - } - - *timeout =3D then - - ((((unsigned long long)tv.tv_sec)*1000) + - (((unsigned long long)tv.tv_usec)/1000)); - - if (*timeout < 0) - *timeout =3D 0; - } else { - *timeout =3D -1; - } - - EVENT_DEBUG("Timeout at %llu due in %d ms", then, *timeout); - - return 0; -} - -/* - * Allocate a pollfd array containing data for all registered - * file handles. The caller must free the returned data struct - * returns: the pollfd array, or NULL on error - */ -static struct pollfd *virEventPollMakePollFDs(int *nfds) { - struct pollfd *fds; - int i; - - *nfds =3D 0; - for (i =3D 0 ; i < eventLoop.handlesCount ; i++) { - if (eventLoop.handles[i].events && !eventLoop.handles[i].deleted) - (*nfds)++; - } - - /* Setup the poll file handle data structs */ - if (VIR_ALLOC_N(fds, *nfds) < 0) { - perror("unable to allocate memory"); - return NULL; - } - - *nfds =3D 0; - for (i =3D 0 ; i < eventLoop.handlesCount ; i++) { - EVENT_DEBUG("Prepare n=3D%d w=3D%d, f=3D%d e=3D%d d=3D%d", i, - eventLoop.handles[i].watch, - eventLoop.handles[i].fd, - eventLoop.handles[i].events, - eventLoop.handles[i].deleted); - if (!eventLoop.handles[i].events || eventLoop.handles[i].deleted) - continue; - fds[*nfds].fd =3D eventLoop.handles[i].fd; - fds[*nfds].events =3D eventLoop.handles[i].events; - fds[*nfds].revents =3D 0; - (*nfds)++; - //EVENT_DEBUG("Wait for %d %d", eventLoop.handles[i].fd, eventLoop= .handles[i].events); - } - - return fds; -} - - -/* - * Iterate over all timers and determine if any have expired. - * Invoke the user supplied callback for each timer whose - * expiry time is met, and schedule the next timeout. Does - * not try to 'catch up' on time if the actual expiry time - * was later than the requested time. - * - * This method must cope with new timers being registered - * by a callback, and must skip any timers marked as deleted. - * - * Returns 0 upon success, -1 if an error occurred - */ -static int virEventPollDispatchTimeouts(void) { - struct timeval tv; - unsigned long long now; - int i; - /* Save this now - it may be changed during dispatch */ - int ntimeouts =3D eventLoop.timeoutsCount; - VIR_DEBUG("Dispatch %d", ntimeouts); - - if (gettimeofday(&tv, NULL) < 0) { - perror("Unable to get current time"); - return -1; - } - now =3D (((unsigned long long)tv.tv_sec)*1000) + - (((unsigned long long)tv.tv_usec)/1000); - - for (i =3D 0 ; i < ntimeouts ; i++) { - if (eventLoop.timeouts[i].deleted || eventLoop.timeouts[i].frequen= cy < 0) - continue; - - /* Add 20ms fuzz so we don't pointlessly spin doing - * <10ms sleeps, particularly on kernels with low HZ - * it is fine that a timer expires 20ms earlier than - * requested - */ - if (eventLoop.timeouts[i].expiresAt <=3D (now+20)) { - virEventTimeoutCallback cb =3D eventLoop.timeouts[i].cb; - int timer =3D eventLoop.timeouts[i].timer; - void *opaque =3D eventLoop.timeouts[i].opaque; - eventLoop.timeouts[i].expiresAt =3D - now + eventLoop.timeouts[i].frequency; - - virMutexUnlock(&eventLoop.lock); - (cb)(timer, opaque); - virMutexLock(&eventLoop.lock); - } - } - return 0; -} - - -/* Iterate over all file handles and dispatch any which - * have pending events listed in the poll() data. Invoke - * the user supplied callback for each handle which has - * pending events - * - * This method must cope with new handles being registered - * by a callback, and must skip any handles marked as deleted. - * - * Returns 0 upon success, -1 if an error occurred - */ -static int virEventPollDispatchHandles(int nfds, struct pollfd *fds) { - int i, n; - VIR_DEBUG("Dispatch %d", nfds); - - /* NB, use nfds not eventLoop.handlesCount, because new - * fds might be added on end of list, and they're not - * in the fds array we've got */ - for (i =3D 0, n =3D 0 ; n < nfds && i < eventLoop.handlesCount ; n++) { - while ((eventLoop.handles[i].fd !=3D fds[n].fd || - eventLoop.handles[i].events =3D=3D 0) && - i < eventLoop.handlesCount) { - i++; - } - if (i =3D=3D eventLoop.handlesCount) - break; - - VIR_DEBUG("i=3D%d w=3D%d", i, eventLoop.handles[i].watch); - if (eventLoop.handles[i].deleted) { - EVENT_DEBUG("Skip deleted n=3D%d w=3D%d f=3D%d", i, - eventLoop.handles[i].watch, eventLoop.handles[i].f= d); - continue; - } - - if (fds[n].revents) { - virEventHandleCallback cb =3D eventLoop.handles[i].cb; - int watch =3D eventLoop.handles[i].watch; - void *opaque =3D eventLoop.handles[i].opaque; - int hEvents =3D virEventPollFromNativeEvents(fds[n].revents); - EVENT_DEBUG("Dispatch n=3D%d f=3D%d w=3D%d e=3D%d %p", i, - fds[n].fd, watch, fds[n].revents, opaque); - virMutexUnlock(&eventLoop.lock); - (cb)(watch, fds[n].fd, hEvents, opaque); - virMutexLock(&eventLoop.lock); - } - } - - return 0; -} - - -/* Used post dispatch to actually remove any timers that - * were previously marked as deleted. This asynchronous - * cleanup is needed to make dispatch re-entrant safe. - */ -static void virEventPollCleanupTimeouts(void) { - int i; - size_t gap; - VIR_DEBUG("Cleanup %zu", eventLoop.timeoutsCount); - - /* Remove deleted entries, shuffling down remaining - * entries as needed to form contiguous series - */ - for (i =3D 0 ; i < eventLoop.timeoutsCount ; ) { - if (!eventLoop.timeouts[i].deleted) { - i++; - continue; - } - - EVENT_DEBUG("Purging timeout %d with id %d", i, - eventLoop.timeouts[i].timer); - if (eventLoop.timeouts[i].ff) { - virFreeCallback ff =3D eventLoop.timeouts[i].ff; - void *opaque =3D eventLoop.timeouts[i].opaque; - virMutexUnlock(&eventLoop.lock); - ff(opaque); - virMutexLock(&eventLoop.lock); - } - - if ((i+1) < eventLoop.timeoutsCount) { - memmove(eventLoop.timeouts+i, - eventLoop.timeouts+i+1, - sizeof(struct virEventPollTimeout)*(eventLoop.timeouts= Count - -(i+1))); - } - eventLoop.timeoutsCount--; - } - - /* Release some memory if we've got a big chunk free */ - gap =3D eventLoop.timeoutsAlloc - eventLoop.timeoutsCount; - if (eventLoop.timeoutsCount =3D=3D 0 || - (gap > eventLoop.timeoutsCount && gap > EVENT_ALLOC_EXTENT)) { - EVENT_DEBUG("Found %zu out of %zu timeout slots used, releasing %z= u", - eventLoop.timeoutsCount, eventLoop.timeoutsAlloc, gap); - VIR_SHRINK_N(eventLoop.timeouts, eventLoop.timeoutsAlloc, gap); - } -} - -/* Used post dispatch to actually remove any handles that - * were previously marked as deleted. This asynchronous - * cleanup is needed to make dispatch re-entrant safe. - */ -static void virEventPollCleanupHandles(void) { - int i; - size_t gap; - VIR_DEBUG("Cleanup %zu", eventLoop.handlesCount); - - /* Remove deleted entries, shuffling down remaining - * entries as needed to form contiguous series - */ - for (i =3D 0 ; i < eventLoop.handlesCount ; ) { - if (!eventLoop.handles[i].deleted) { - i++; - continue; - } - - if (eventLoop.handles[i].ff) { - virFreeCallback ff =3D eventLoop.handles[i].ff; - void *opaque =3D eventLoop.handles[i].opaque; - virMutexUnlock(&eventLoop.lock); - ff(opaque); - virMutexLock(&eventLoop.lock); - } - - if ((i+1) < eventLoop.handlesCount) { - memmove(eventLoop.handles+i, - eventLoop.handles+i+1, - sizeof(struct virEventPollHandle)*(eventLoop.handlesCo= unt - -(i+1))); - } - eventLoop.handlesCount--; - } - - /* Release some memory if we've got a big chunk free */ - gap =3D eventLoop.handlesAlloc - eventLoop.handlesCount; - if (eventLoop.handlesCount =3D=3D 0 || - (gap > eventLoop.handlesCount && gap > EVENT_ALLOC_EXTENT)) { - EVENT_DEBUG("Found %zu out of %zu handles slots used, releasing %z= u", - eventLoop.handlesCount, eventLoop.handlesAlloc, gap); - VIR_SHRINK_N(eventLoop.handles, eventLoop.handlesAlloc, gap); - } -} - -/* - * Run a single iteration of the event loop, blocking until - * at least one file handle has an event, or a timer expires - */ -int virEventPollRunOnce(void) { - struct pollfd *fds =3D NULL; - int ret, timeout, nfds; - - virMutexLock(&eventLoop.lock); - eventLoop.running =3D 1; - virThreadSelf(&eventLoop.leader); - - virEventPollCleanupTimeouts(); - virEventPollCleanupHandles(); - - if (!(fds =3D virEventPollMakePollFDs(&nfds)) || - virEventPollCalculateTimeout(&timeout) < 0) - goto error; - - virMutexUnlock(&eventLoop.lock); - - retry: - EVENT_DEBUG("Poll on %d handles %p timeout %d", nfds, fds, timeout); - ret =3D poll(fds, nfds, timeout); - if (ret < 0) { - EVENT_DEBUG("Poll got error event %d", errno); - if (errno =3D=3D EINTR) { - goto retry; - } - perror("Unable to poll on file handles"); - goto error_unlocked; - } - EVENT_DEBUG("Poll got %d event(s)", ret); - - virMutexLock(&eventLoop.lock); - if (virEventPollDispatchTimeouts() < 0) - goto error; - - if (ret > 0 && - virEventPollDispatchHandles(nfds, fds) < 0) - goto error; - - virEventPollCleanupTimeouts(); - virEventPollCleanupHandles(); - - eventLoop.running =3D 0; - virMutexUnlock(&eventLoop.lock); - VIR_FREE(fds); - return 0; - -error: - virMutexUnlock(&eventLoop.lock); -error_unlocked: - VIR_FREE(fds); - return -1; -} - - -static void virEventPollHandleWakeup(int watch ATTRIBUTE_UNUSED, - int fd, - int events ATTRIBUTE_UNUSED, - void *opaque ATTRIBUTE_UNUSED) -{ - char c; - virMutexLock(&eventLoop.lock); - ignore_value(saferead(fd, &c, sizeof(c))); - virMutexUnlock(&eventLoop.lock); -} - -int virEventPollInit(void) -{ - if (virMutexInit(&eventLoop.lock) < 0) { - perror("Unable to initialize mutex"); - return -1; - } - - if (pipe(eventLoop.wakeupfd) < 0 || - virSetNonBlock(eventLoop.wakeupfd[0]) < 0 || - virSetNonBlock(eventLoop.wakeupfd[1]) < 0 || - virSetCloseExec(eventLoop.wakeupfd[0]) < 0 || - virSetCloseExec(eventLoop.wakeupfd[1]) < 0) { - perror("Unable to setup wakeup pipe"); - return -1; - } - - if (virEventPollAddHandle(eventLoop.wakeupfd[0], - VIR_EVENT_HANDLE_READABLE, - virEventPollHandleWakeup, NULL, NULL) < 0) { - fprintf(stderr, "Unable to add handle %d to event loop", - eventLoop.wakeupfd[0]); - return -1; - } - - return 0; -} - -static int virEventPollInterruptLocked(void) -{ - char c =3D '\0'; - - if (!eventLoop.running || - virThreadIsSelf(&eventLoop.leader)) { - VIR_DEBUG("Skip interrupt, %d %d", eventLoop.running, - virThreadID(&eventLoop.leader)); - return 0; - } - - VIR_DEBUG0("Interrupting"); - if (safewrite(eventLoop.wakeupfd[1], &c, sizeof(c)) !=3D sizeof(c)) - return -1; - return 0; -} - -int virEventPollInterrupt(void) -{ - int ret; - virMutexLock(&eventLoop.lock); - ret =3D virEventPollInterruptLocked(); - virMutexUnlock(&eventLoop.lock); - return ret; -} - -int -virEventPollToNativeEvents(int events) -{ - int ret =3D 0; - if(events & VIR_EVENT_HANDLE_READABLE) - ret |=3D POLLIN; - if(events & VIR_EVENT_HANDLE_WRITABLE) - ret |=3D POLLOUT; - if(events & VIR_EVENT_HANDLE_ERROR) - ret |=3D POLLERR; - if(events & VIR_EVENT_HANDLE_HANGUP) - ret |=3D POLLHUP; - return ret; -} - -int -virEventPollFromNativeEvents(int events) -{ - int ret =3D 0; - if(events & POLLIN) - ret |=3D VIR_EVENT_HANDLE_READABLE; - if(events & POLLOUT) - ret |=3D VIR_EVENT_HANDLE_WRITABLE; - if(events & POLLERR) - ret |=3D VIR_EVENT_HANDLE_ERROR; - if(events & POLLNVAL) /* Treat NVAL as error, since libvirt doesn't di= stinguish */ - ret |=3D VIR_EVENT_HANDLE_ERROR; - if(events & POLLHUP) - ret |=3D VIR_EVENT_HANDLE_HANGUP; - return ret; -} diff --git a/src/event_poll.h b/src/event_poll.h deleted file mode 100644 index 4ab3789..0000000 --- a/src/event_poll.h +++ /dev/null @@ -1,132 +0,0 @@ -/* - * event.h: event loop for monitoring file handles - * - * Copyright (C) 2007 Daniel P. Berrange - * Copyright (C) 2007 Red Hat, Inc. - * - * This library is free software; you can redistribute it and/or - * modify it under the terms of the GNU Lesser General Public - * License as published by the Free Software Foundation; either - * version 2.1 of the License, or (at your option) any later version. - * - * This library is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU - * Lesser General Public License for more details. - * - * You should have received a copy of the GNU Lesser General Public - * License along with this library; if not, write to the Free Software - * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA - * - * Author: Daniel P. Berrange - */ - -#ifndef __VIR_EVENT_POLL_H__ -# define __VIR_EVENT_POLL_H__ - -# include "internal.h" - -/** - * virEventPollAddHandle: register a callback for monitoring file handle e= vents - * - * @fd: file handle to monitor for events - * @events: bitset of events to watch from POLLnnn constants - * @cb: callback to invoke when an event occurs - * @opaque: user data to pass to callback - * - * returns -1 if the file handle cannot be registered, 0 upon success - */ -int virEventPollAddHandle(int fd, int events, - virEventHandleCallback cb, - void *opaque, - virFreeCallback ff); - -/** - * virEventPollUpdateHandle: change event set for a monitored file handle - * - * @watch: watch whose handle to update - * @events: bitset of events to watch from POLLnnn constants - * - * Will not fail if fd exists - */ -void virEventPollUpdateHandle(int watch, int events); - -/** - * virEventPollRemoveHandle: unregister a callback from a file handle - * - * @watch: watch whose handle to remove - * - * returns -1 if the file handle was not registered, 0 upon success - */ -int virEventPollRemoveHandle(int watch); - -/** - * virEventPollAddTimeout: register a callback for a timer event - * - * @frequency: time between events in milliseconds - * @cb: callback to invoke when an event occurs - * @opaque: user data to pass to callback - * - * Setting frequency to -1 will disable the timer. Setting the frequency - * to zero will cause it to fire on every event loop iteration. - * - * returns -1 if the file handle cannot be registered, a positive - * integer timer id upon success - */ -int virEventPollAddTimeout(int frequency, - virEventTimeoutCallback cb, - void *opaque, - virFreeCallback ff); - -/** - * virEventPollUpdateTimeout: change frequency for a timer - * - * @timer: timer id to change - * @frequency: time between events in milliseconds - * - * Setting frequency to -1 will disable the timer. Setting the frequency - * to zero will cause it to fire on every event loop iteration. - * - * Will not fail if timer exists - */ -void virEventPollUpdateTimeout(int timer, int frequency); - -/** - * virEventPollRemoveTimeout: unregister a callback for a timer - * - * @timer: the timer id to remove - * - * returns -1 if the timer was not registered, 0 upon success - */ -int virEventPollRemoveTimeout(int timer); - -/** - * virEventPollInit: Initialize the event loop - * - * returns -1 if initialization failed - */ -int virEventPollInit(void); - -/** - * virEventPollRunOnce: run a single iteration of the event loop. - * - * Blocks the caller until at least one file handle has an - * event or the first timer expires. - * - * returns -1 if the event monitoring failed - */ -int virEventPollRunOnce(void); - -int virEventPollFromNativeEvents(int events); -int virEventPollToNativeEvents(int events); - - -/** - * virEventPollInterrupt: wakeup any thread waiting in poll() - * - * return -1 if wakup failed - */ -int virEventPollInterrupt(void); - - -#endif /* __VIRTD_EVENT_H__ */ diff --git a/src/ignore-value.h b/src/ignore-value.h deleted file mode 100644 index 0df1c01..0000000 --- a/src/ignore-value.h +++ /dev/null @@ -1,64 +0,0 @@ -/* -*- buffer-read-only: t -*- vi: set ro: */ -/* DO NOT EDIT! GENERATED AUTOMATICALLY! */ -/* ignore a function return without a compiler warning - - Copyright (C) 2008-2011 Free Software Foundation, Inc. - - This program is free software: you can redistribute it and/or modify - it under the terms of the GNU Lesser General Public License as publishe= d by - the Free Software Foundation; either version 2.1 of the License, or - (at your option) any later version. - - This program is distributed in the hope that it will be useful, - but WITHOUT ANY WARRANTY; without even the implied warranty of - MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - GNU Lesser General Public License for more details. - - You should have received a copy of the GNU Lesser General Public License - along with this program. If not, see . = */ - -/* Written by Jim Meyering, Eric Blake and P=C3=A1draig Brady. */ - -/* Use "ignore_value" to avoid a warning when using a function declared wi= th - gcc's warn_unused_result attribute, but for which you really do want to - ignore the result. Traditionally, people have used a "(void)" cast to - indicate that a function's return value is deliberately unused. Howeve= r, - if the function is declared with __attribute__((warn_unused_result)), - gcc issues a warning even with the cast. - - Caution: most of the time, you really should heed gcc's warning, and - check the return value. However, in those exceptional cases in which - you're sure you know what you're doing, use this function. - - For the record, here's one of the ignorable warnings: - "copy.c:233: warning: ignoring return value of 'fchown', - declared with attribute warn_unused_result". */ - -#ifndef _GL_IGNORE_VALUE_H -# define _GL_IGNORE_VALUE_H - -# ifndef _GL_ATTRIBUTE_DEPRECATED -/* The __attribute__((__deprecated__)) feature - is available in gcc versions 3.1 and newer. */ -# if __GNUC__ < 3 || (__GNUC__ =3D=3D 3 && __GNUC_MINOR__ < 1) -# define _GL_ATTRIBUTE_DEPRECATED /* empty */ -# else -# define _GL_ATTRIBUTE_DEPRECATED __attribute__ ((__deprecated__)) -# endif -# endif - -/* The __attribute__((__warn_unused_result__)) feature - is available in gcc versions 3.4 and newer, - while the typeof feature has been available since 2.7 at least. */ -# if __GNUC__ < 3 || (__GNUC__ =3D=3D 3 && __GNUC_MINOR__ < 4) -# define ignore_value(x) ((void) (x)) -# else -# define ignore_value(x) (({ __typeof__ (x) __x =3D (x); (void) __x; })) -# endif - -/* ignore_value works for scalars, pointers and aggregates; - deprecate ignore_ptr. */ -static inline void _GL_ATTRIBUTE_DEPRECATED -ignore_ptr (void *p) { (void) p; } /* deprecated: use ignore_value */ - -#endif diff --git a/src/internal.h b/src/internal.h deleted file mode 100644 index 4910059..0000000 --- a/src/internal.h +++ /dev/null @@ -1,138 +0,0 @@ -/* - * internal.h: internal definitions just used by code from the library - * - * Copy: Copyright (C) 2005-2006, 2010-2011 Red Hat, Inc. - * - * See libvirt's COPYING.LIB for the License of this software - * - */ - -#ifndef __INTERNAL_H__ -# define __INTERNAL_H__ - -# include -# include -# include -# include -# include -# include -# include -# include - -/* C99 uses __func__. __FUNCTION__ is legacy. */ -# ifndef __GNUC__ -# define __FUNCTION__ __func__ -# endif - -# ifdef __GNUC__ - -# ifndef __GNUC_PREREQ -# if defined __GNUC__ && defined __GNUC_MINOR__ -# define __GNUC_PREREQ(maj, min) = \ - ((__GNUC__ << 16) + __GNUC_MINOR__ >=3D ((maj) << 16) + (min)) -# else -# define __GNUC_PREREQ(maj,min) 0 -# endif - -/* Work around broken limits.h on debian etch */ -# if defined _GCC_LIMITS_H_ && ! defined ULLONG_MAX -# define ULLONG_MAX ULONG_LONG_MAX -# endif - -# endif /* __GNUC__ */ - -/** - * ATTRIBUTE_UNUSED: - * - * Macro to flag conciously unused parameters to functions - */ -# ifndef ATTRIBUTE_UNUSED -# define ATTRIBUTE_UNUSED __attribute__((__unused__)) -# endif - -/** - * ATTRIBUTE_SENTINEL: - * - * Macro to check for NULL-terminated varargs lists - */ -# ifndef ATTRIBUTE_SENTINEL -# if __GNUC_PREREQ (4, 0) -# define ATTRIBUTE_SENTINEL __attribute__((__sentinel__)) -# else -# define ATTRIBUTE_SENTINEL -# endif -# endif - -/** - * ATTRIBUTE_FMT_PRINTF - * - * Macro used to check printf like functions, if compiling - * with gcc. - * - * We use gnulib which guarentees we always have GNU style - * printf format specifiers even on broken Win32 platforms - * hence we have to force 'gnu_printf' for new GCC - */ -# ifndef ATTRIBUTE_FMT_PRINTF -# if __GNUC_PREREQ (4, 4) -# define ATTRIBUTE_FMT_PRINTF(fmtpos,argpos) __attribute__((__format__ = (gnu_printf, fmtpos,argpos))) -# else -# define ATTRIBUTE_FMT_PRINTF(fmtpos,argpos) __attribute__((__format__ = (printf, fmtpos,argpos))) -# endif -# endif - -# ifndef ATTRIBUTE_RETURN_CHECK -# if __GNUC_PREREQ (3, 4) -# define ATTRIBUTE_RETURN_CHECK __attribute__((__warn_unused_result__)) -# else -# define ATTRIBUTE_RETURN_CHECK -# endif -# endif - -/** - * ATTRIBUTE_PACKED - * - * force a structure to be packed, i.e. not following architecture and - * compiler best alignments for its sub components. It's needed for example - * for the network filetering code when defining the content of raw - * ethernet packets. - * Others compiler than gcc may use something different e.g. #pragma pack(= 1) - */ -# ifndef ATTRIBUTE_PACKED -# if __GNUC_PREREQ (3, 3) -# define ATTRIBUTE_PACKED __attribute__((packed)) -# else -# error "Need an __attribute__((packed)) equivalent" -# endif -# endif - -# ifndef ATTRIBUTE_NONNULL -# if __GNUC_PREREQ (3, 3) -# define ATTRIBUTE_NONNULL(m) __attribute__((__nonnull__(m))) -# else -# define ATTRIBUTE_NONNULL(m) -# endif -# endif - -# else -# ifndef ATTRIBUTE_UNUSED -# define ATTRIBUTE_UNUSED -# endif -# ifndef ATTRIBUTE_FMT_PRINTF -# define ATTRIBUTE_FMT_PRINTF(...) -# endif -# ifndef ATTRIBUTE_RETURN_CHECK -# define ATTRIBUTE_RETURN_CHECK -# endif -# endif /* __GNUC__ */ - -extern int verbose; - -#define VIR_DEBUG0(fmt) if (verbose) fprintf(stderr, "%s:%d :: " fmt "\n",= \ - __func__, __LINE__) -#define VIR_DEBUG(fmt, ...) if (verbose) fprintf(stderr, "%s:%d: " fmt "\n= ", \ - __func__, __LINE__, __VA_ARGS__) -#define VIR_WARN(fmt, ...) if (verbose) fprintf(stderr, "%s:%d: " fmt "\n"= , \ - __func__, __LINE__, __VA_ARGS__) - -#endif diff --git a/src/libvirtSnmp.c b/src/libvirtSnmp.c index 805cd6f..111c97b 100644 --- a/src/libvirtSnmp.c +++ b/src/libvirtSnmp.c @@ -24,17 +24,12 @@ =20 #include #include -#include -#include #include #include =20 #include "libvirtSnmp.h" #include "libvirtGuestTable.h" /* include our MIB structures*/ #include "libvirtNotifications.h" -#ifdef LIBVIRT_OLD -# include "event_poll.h" -#endif =20 #define DEBUG0(fmt) if (verbose) printf("%s:%d :: " fmt "\n", \ __func__, __LINE__) @@ -302,11 +297,7 @@ void * pollingThreadFunc(void *foo) { while (run) { -#ifdef LIBVIRT_OLD - if (virEventPollRunOnce() < 0) { -#else if (virEventRunDefaultImpl() < 0) { -#endif showError(conn); pthread_exit(NULL); } @@ -368,21 +359,8 @@ int libvirtSnmpInit(void) verbose =3D verbose_env !=3D NULL; =20 /* if we don't already have registered callback */ - if (callbackRet =3D=3D -1) { -#ifdef LIBVIRT_OLD - if (virEventPollInit() < 0) - return -1; - - virEventRegisterImpl(virEventPollAddHandle, - virEventPollUpdateHandle, - virEventPollRemoveHandle, - virEventPollAddTimeout, - virEventPollUpdateTimeout, - virEventPollRemoveTimeout); -#else + if (callbackRet =3D=3D -1) virEventRegisterDefaultImpl(); -#endif - } =20 /* TODO: configure the URI */ /* Use libvirt env variable LIBVIRT_DEFAULT_URI by default*/ diff --git a/src/memory.c b/src/memory.c deleted file mode 100644 index bfa32a8..0000000 --- a/src/memory.c +++ /dev/null @@ -1,313 +0,0 @@ -/* - * memory.c: safer memory allocation - * - * Copyright (C) 2010-2011 Red Hat, Inc. - * Copyright (C) 2008 Daniel P. Berrange - * - * This library is free software; you can redistribute it and/or - * modify it under the terms of the GNU Lesser General Public - * License as published by the Free Software Foundation; either - * version 2.1 of the License, or (at your option) any later version. - * - * This library is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU - * Lesser General Public License for more details. - * - * You should have received a copy of the GNU Lesser General Public - * License along with this library; if not, write to the Free Software - * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA - * - */ - -#include -#include - -#include "memory.h" -#include "ignore-value.h" - - -#if TEST_OOM -static int testMallocNext =3D 0; -static int testMallocFailFirst =3D 0; -static int testMallocFailLast =3D 0; -static void (*testMallocHook)(int, void*) =3D NULL; -static void *testMallocHookData =3D NULL; - -void virAllocTestInit(void) -{ - testMallocNext =3D 1; - testMallocFailFirst =3D 0; - testMallocFailLast =3D 0; -} - -int virAllocTestCount(void) -{ - return testMallocNext - 1; -} - -void virAllocTestHook(void (*func)(int, void*), void *data) -{ - testMallocHook =3D func; - testMallocHookData =3D data; -} - -void virAllocTestOOM(int n, int m) -{ - testMallocNext =3D 1; - testMallocFailFirst =3D n; - testMallocFailLast =3D n + m - 1; -} - -static int virAllocTestFail(void) -{ - int fail =3D 0; - if (testMallocNext =3D=3D 0) - return 0; - - fail =3D - testMallocNext >=3D testMallocFailFirst && - testMallocNext <=3D testMallocFailLast; - - if (fail && testMallocHook) - (testMallocHook)(testMallocNext, testMallocHookData); - - testMallocNext++; - return fail; -} -#endif - - -/** - * virAlloc: - * @ptrptr: pointer to pointer for address of allocated memory - * @size: number of bytes to allocate - * - * Allocate 'size' bytes of memory. Return the address of the - * allocated memory in 'ptrptr'. The newly allocated memory is - * filled with zeros. - * - * Returns -1 on failure to allocate, zero on success - */ -int virAlloc(void *ptrptr, size_t size) -{ -#if TEST_OOM - if (virAllocTestFail()) { - *(void **)ptrptr =3D NULL; - return -1; - } -#endif - - *(void **)ptrptr =3D calloc(1, size); - if (*(void **)ptrptr =3D=3D NULL) - return -1; - return 0; -} - -/** - * virAllocN: - * @ptrptr: pointer to pointer for address of allocated memory - * @size: number of bytes to allocate - * @count: number of elements to allocate - * - * Allocate an array of memory 'count' elements long, - * each with 'size' bytes. Return the address of the - * allocated memory in 'ptrptr'. The newly allocated - * memory is filled with zeros. - * - * Returns -1 on failure to allocate, zero on success - */ -int virAllocN(void *ptrptr, size_t size, size_t count) -{ -#if TEST_OOM - if (virAllocTestFail()) { - *(void **)ptrptr =3D NULL; - return -1; - } -#endif - - *(void**)ptrptr =3D calloc(count, size); - if (*(void**)ptrptr =3D=3D NULL) - return -1; - return 0; -} - -/** - * virReallocN: - * @ptrptr: pointer to pointer for address of allocated memory - * @size: number of bytes to allocate - * @count: number of elements in array - * - * Resize the block of memory in 'ptrptr' to be an array of - * 'count' elements, each 'size' bytes in length. Update 'ptrptr' - * with the address of the newly allocated memory. On failure, - * 'ptrptr' is not changed and still points to the original memory - * block. Any newly allocated memory in 'ptrptr' is uninitialized. - * - * Returns -1 on failure to allocate, zero on success - */ -int virReallocN(void *ptrptr, size_t size, size_t count) -{ - void *tmp; -#if TEST_OOM - if (virAllocTestFail()) - return -1; -#endif - - if (xalloc_oversized(count, size)) { - errno =3D ENOMEM; - return -1; - } - tmp =3D realloc(*(void**)ptrptr, size * count); - if (!tmp && (size * count)) - return -1; - *(void**)ptrptr =3D tmp; - return 0; -} - -/** - * virExpandN: - * @ptrptr: pointer to pointer for address of allocated memory - * @size: number of bytes per element - * @countptr: pointer to number of elements in array - * @add: number of elements to add - * - * Resize the block of memory in 'ptrptr' to be an array of - * '*countptr' + 'add' elements, each 'size' bytes in length. - * Update 'ptrptr' and 'countptr' with the details of the newly - * allocated memory. On failure, 'ptrptr' and 'countptr' are not - * changed. Any newly allocated memory in 'ptrptr' is zero-filled. - * - * Returns -1 on failure to allocate, zero on success - */ -int virExpandN(void *ptrptr, size_t size, size_t *countptr, size_t add) -{ - int ret; - - if (*countptr + add < *countptr) { - errno =3D ENOMEM; - return -1; - } - ret =3D virReallocN(ptrptr, size, *countptr + add); - if (ret =3D=3D 0) { - memset(*(char **)ptrptr + (size * *countptr), 0, size * add); - *countptr +=3D add; - } - return ret; -} - -/** - * virResizeN: - * @ptrptr: pointer to pointer for address of allocated memory - * @size: number of bytes per element - * @allocptr: pointer to number of elements allocated in array - * @count: number of elements currently used in array - * @add: minimum number of additional elements to support in array - * - * If 'count' + 'add' is larger than '*allocptr', then resize the - * block of memory in 'ptrptr' to be an array of at least 'count' + - * 'add' elements, each 'size' bytes in length. Update 'ptrptr' and - * 'allocptr' with the details of the newly allocated memory. On - * failure, 'ptrptr' and 'allocptr' are not changed. Any newly - * allocated memory in 'ptrptr' is zero-filled. - * - * Returns -1 on failure to allocate, zero on success - */ -int virResizeN(void *ptrptr, size_t size, size_t *allocptr, size_t count, - size_t add) -{ - size_t delta; - - if (count + add < count) { - errno =3D ENOMEM; - return -1; - } - if (count + add <=3D *allocptr) - return 0; - - delta =3D count + add - *allocptr; - if (delta < *allocptr / 2) - delta =3D *allocptr / 2; - return virExpandN(ptrptr, size, allocptr, delta); -} - -/** - * virShrinkN: - * @ptrptr: pointer to pointer for address of allocated memory - * @size: number of bytes per element - * @countptr: pointer to number of elements in array - * @toremove: number of elements to remove - * - * Resize the block of memory in 'ptrptr' to be an array of - * '*countptr' - 'toremove' elements, each 'size' bytes in length. - * Update 'ptrptr' and 'countptr' with the details of the newly - * allocated memory. If 'toremove' is larger than 'countptr', free - * the entire array. - */ -void virShrinkN(void *ptrptr, size_t size, size_t *countptr, size_t toremo= ve) -{ - if (toremove < *countptr) - ignore_value(virReallocN(ptrptr, size, *countptr -=3D toremove)); - else { - virFree(ptrptr); - *countptr =3D 0; - } -} - - -/** - * Vir_Alloc_Var: - * @ptrptr: pointer to hold address of allocated memory - * @struct_size: size of initial struct - * @element_size: size of array elements - * @count: number of array elements to allocate - * - * Allocate struct_size bytes plus an array of 'count' elements, each - * of size element_size. This sort of allocation is useful for - * receiving the data of certain ioctls and other APIs which return a - * struct in which the last element is an array of undefined length. - * The caller of this type of API is expected to know the length of - * the array that will be returned and allocate a suitable buffer to - * contain the returned data. C99 refers to these variable length - * objects as structs containing flexible array members. - * - * Returns -1 on failure, 0 on success - */ -int virAllocVar(void *ptrptr, size_t struct_size, size_t element_size, siz= e_t count) -{ - size_t alloc_size =3D 0; - -#if TEST_OOM - if (virAllocTestFail()) - return -1; -#endif - - if (VIR_ALLOC_VAR_OVERSIZED(struct_size, count, element_size)) { - errno =3D ENOMEM; - return -1; - } - - alloc_size =3D struct_size + (element_size * count); - *(void **)ptrptr =3D calloc(1, alloc_size); - if (*(void **)ptrptr =3D=3D NULL) - return -1; - return 0; -} - - -/** - * virFree: - * @ptrptr: pointer to pointer for address of memory to be freed - * - * Release the chunk of memory in the pointer pointed to by - * the 'ptrptr' variable. After release, 'ptrptr' will be - * updated to point to NULL. - */ -void virFree(void *ptrptr) -{ - int save_errno =3D errno; - - free(*(void**)ptrptr); - *(void**)ptrptr =3D NULL; - errno =3D save_errno; -} diff --git a/src/memory.h b/src/memory.h deleted file mode 100644 index 66b4c42..0000000 --- a/src/memory.h +++ /dev/null @@ -1,212 +0,0 @@ -/* - * memory.c: safer memory allocation - * - * Copyright (C) 2010 Red Hat, Inc. - * Copyright (C) 2008 Daniel P. Berrange - * - * This library is free software; you can redistribute it and/or - * modify it under the terms of the GNU Lesser General Public - * License as published by the Free Software Foundation; either - * version 2.1 of the License, or (at your option) any later version. - * - * This library is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU - * Lesser General Public License for more details. - * - * You should have received a copy of the GNU Lesser General Public - * License along with this library; if not, write to the Free Software - * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA - * - */ - - -#ifndef __VIR_MEMORY_H_ -# define __VIR_MEMORY_H_ - -# include "internal.h" - -/* Return 1 if an array of N objects, each of size S, cannot exist due - to size arithmetic overflow. S must be positive and N must be - nonnegative. This is a macro, not an inline function, so that it - works correctly even when SIZE_MAX < N. - - By gnulib convention, SIZE_MAX represents overflow in size - calculations, so the conservative dividend to use here is - SIZE_MAX - 1, since SIZE_MAX might represent an overflowed value. - However, malloc (SIZE_MAX) fails on all known hosts where - sizeof (ptrdiff_t) <=3D sizeof (size_t), so do not bother to test for - exactly-SIZE_MAX allocations on such hosts; this avoids a test and - branch when S is known to be 1. */ -# ifndef xalloc_oversized -# define xalloc_oversized(n, s) \ - ((size_t) (sizeof (ptrdiff_t) <=3D sizeof (size_t) ? -1 : -2) / (s) < = (n)) -# endif - - - -/* Don't call these directly - use the macros below */ -int virAlloc(void *ptrptr, size_t size) ATTRIBUTE_RETURN_CHECK - ATTRIBUTE_NONNULL(1); -int virAllocN(void *ptrptr, size_t size, size_t count) ATTRIBUTE_RETURN_CH= ECK - ATTRIBUTE_NONNULL(1); -int virReallocN(void *ptrptr, size_t size, size_t count) ATTRIBUTE_RETURN_= CHECK - ATTRIBUTE_NONNULL(1); -int virExpandN(void *ptrptr, size_t size, size_t *count, size_t add) - ATTRIBUTE_RETURN_CHECK ATTRIBUTE_NONNULL(1) ATTRIBUTE_NONNULL(3); -int virResizeN(void *ptrptr, size_t size, size_t *alloc, size_t count, - size_t desired) - ATTRIBUTE_RETURN_CHECK ATTRIBUTE_NONNULL(1) ATTRIBUTE_NONNULL(3); -void virShrinkN(void *ptrptr, size_t size, size_t *count, size_t toremove) - ATTRIBUTE_NONNULL(1) ATTRIBUTE_NONNULL(3); -int virAllocVar(void *ptrptr, - size_t struct_size, - size_t element_size, - size_t count) ATTRIBUTE_RETURN_CHECK ATTRIBUTE_NONNULL(1); -void virFree(void *ptrptr) ATTRIBUTE_NONNULL(1); - -/** - * VIR_ALLOC: - * @ptr: pointer to hold address of allocated memory - * - * Allocate sizeof(*ptr) bytes of memory and store - * the address of allocated memory in 'ptr'. Fill the - * newly allocated memory with zeros. - * - * Returns -1 on failure, 0 on success - */ -# define VIR_ALLOC(ptr) virAlloc(&(ptr), sizeof(*(ptr))) - -/** - * VIR_ALLOC_N: - * @ptr: pointer to hold address of allocated memory - * @count: number of elements to allocate - * - * Allocate an array of 'count' elements, each sizeof(*ptr) - * bytes long and store the address of allocated memory in - * 'ptr'. Fill the newly allocated memory with zeros. - * - * Returns -1 on failure, 0 on success - */ -# define VIR_ALLOC_N(ptr, count) virAllocN(&(ptr), sizeof(*(ptr)), (count)) - -/** - * VIR_REALLOC_N: - * @ptr: pointer to hold address of allocated memory - * @count: number of elements to allocate - * - * Re-allocate an array of 'count' elements, each sizeof(*ptr) - * bytes long and store the address of allocated memory in - * 'ptr'. If 'ptr' grew, the added memory is uninitialized. - * - * Returns -1 on failure, 0 on success - */ -# define VIR_REALLOC_N(ptr, count) virReallocN(&(ptr), sizeof(*(ptr)), (co= unt)) - -/** - * VIR_EXPAND_N: - * @ptr: pointer to hold address of allocated memory - * @count: variable tracking number of elements currently allocated - * @add: number of elements to add - * - * Re-allocate an array of 'count' elements, each sizeof(*ptr) - * bytes long, to be 'count' + 'add' elements long, then store the - * address of allocated memory in 'ptr' and the new size in 'count'. - * The new elements are filled with zero. - * - * Returns -1 on failure, 0 on success - */ -# define VIR_EXPAND_N(ptr, count, add) \ - virExpandN(&(ptr), sizeof(*(ptr)), &(count), add) - -/** - * VIR_RESIZE_N: - * @ptr: pointer to hold address of allocated memory - * @alloc: variable tracking number of elements currently allocated - * @count: number of elements currently in use - * @add: minimum number of elements to additionally support - * - * Blindly using VIR_EXPAND_N(array, alloc, 1) in a loop scales - * quadratically, because every iteration must copy contents from - * all prior iterations. But amortized linear scaling can be achieved - * by tracking allocation size separately from the number of used - * elements, and growing geometrically only as needed. - * - * If 'count' + 'add' is larger than 'alloc', then geometrically reallocate - * the array of 'alloc' elements, each sizeof(*ptr) bytes long, and store - * the address of allocated memory in 'ptr' and the new size in 'alloc'. - * The new elements are filled with zero. - * - * Returns -1 on failure, 0 on success - */ -# define VIR_RESIZE_N(ptr, alloc, count, add) \ - virResizeN(&(ptr), sizeof(*(ptr)), &(alloc), count, add) - -/** - * VIR_SHRINK_N: - * @ptr: pointer to hold address of allocated memory - * @count: variable tracking number of elements currently allocated - * @remove: number of elements to remove - * - * Re-allocate an array of 'count' elements, each sizeof(*ptr) - * bytes long, to be 'count' - 'remove' elements long, then store the - * address of allocated memory in 'ptr' and the new size in 'count'. - * If 'count' <=3D 'remove', the entire array is freed. - * - * No return value. - */ -# define VIR_SHRINK_N(ptr, count, remove) \ - virShrinkN(&(ptr), sizeof(*(ptr)), &(count), remove) - -/* - * VIR_ALLOC_VAR_OVERSIZED: - * @M: size of base structure - * @N: number of array elements in trailing array - * @S: size of trailing array elements - * - * Check to make sure that the requested allocation will not cause - * arithmetic overflow in the allocation size. The check is - * essentially the same as that in gnulib's xalloc_oversized. - */ -# define VIR_ALLOC_VAR_OVERSIZED(M, N, S) ((((size_t)-1) - (M)) / (S) < (N= )) - -/** - * VIR_ALLOC_VAR: - * @ptr: pointer to hold address of allocated memory - * @type: element type of trailing array - * @count: number of array elements to allocate - * - * Allocate sizeof(*ptr) bytes plus an array of 'count' elements, each - * sizeof('type'). This sort of allocation is useful for receiving - * the data of certain ioctls and other APIs which return a struct in - * which the last element is an array of undefined length. The caller - * of this type of API is expected to know the length of the array - * that will be returned and allocate a suitable buffer to contain the - * returned data. C99 refers to these variable length objects as - * structs containing flexible array members. - - * Returns -1 on failure, 0 on success - */ -# define VIR_ALLOC_VAR(ptr, type, count) \ - virAllocVar(&(ptr), sizeof(*(ptr)), sizeof(type), (count)) - -/** - * VIR_FREE: - * @ptr: pointer holding address to be freed - * - * Free the memory stored in 'ptr' and update to point - * to NULL. - */ -# define VIR_FREE(ptr) virFree(&(ptr)) - - -# if TEST_OOM -void virAllocTestInit(void); -int virAllocTestCount(void); -void virAllocTestOOM(int n, int m); -void virAllocTestHook(void (*func)(int, void*), void *data); -# endif - - - -#endif /* __VIR_MEMORY_H_ */ diff --git a/src/threads.c b/src/threads.c deleted file mode 100644 index 8987173..0000000 --- a/src/threads.c +++ /dev/null @@ -1,251 +0,0 @@ -/* - * threads.c: basic thread synchronization primitives - * - * Copyright (C) 2009-2010 Red Hat, Inc. - * - * This library is free software; you can redistribute it and/or - * modify it under the terms of the GNU Lesser General Public - * License as published by the Free Software Foundation; either - * version 2.1 of the License, or (at your option) any later version. - * - * This library is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU - * Lesser General Public License for more details. - * - * You should have received a copy of the GNU Lesser General Public - * License along with this library; if not, write to the Free Software - * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA - * - */ - -#include - -#include -#include -#if HAVE_SYS_SYSCALL_H -# include -#endif - -#include "threads.h" -#include "memory.h" - - -/* Nothing special required for pthreads */ -int virThreadInitialize(void) -{ - return 0; -} - -void virThreadOnExit(void) -{ -} - - -int virMutexInit(virMutexPtr m) -{ - int ret; - pthread_mutexattr_t attr; - pthread_mutexattr_init(&attr); - pthread_mutexattr_settype(&attr, PTHREAD_MUTEX_NORMAL); - ret =3D pthread_mutex_init(&m->lock, &attr); - pthread_mutexattr_destroy(&attr); - if (ret !=3D 0) { - errno =3D ret; - return -1; - } - return 0; -} - -int virMutexInitRecursive(virMutexPtr m) -{ - int ret; - pthread_mutexattr_t attr; - pthread_mutexattr_init(&attr); - pthread_mutexattr_settype(&attr, PTHREAD_MUTEX_RECURSIVE); - ret =3D pthread_mutex_init(&m->lock, &attr); - pthread_mutexattr_destroy(&attr); - if (ret !=3D 0) { - errno =3D ret; - return -1; - } - return 0; -} - -void virMutexDestroy(virMutexPtr m) -{ - pthread_mutex_destroy(&m->lock); -} - -void virMutexLock(virMutexPtr m){ - pthread_mutex_lock(&m->lock); -} - -void virMutexUnlock(virMutexPtr m) -{ - pthread_mutex_unlock(&m->lock); -} - - -int virCondInit(virCondPtr c) -{ - int ret; - if ((ret =3D pthread_cond_init(&c->cond, NULL)) !=3D 0) { - errno =3D ret; - return -1; - } - return 0; -} - -int virCondDestroy(virCondPtr c) -{ - int ret; - if ((ret =3D pthread_cond_destroy(&c->cond)) !=3D 0) { - errno =3D ret; - return -1; - } - return 0; -} - -int virCondWait(virCondPtr c, virMutexPtr m) -{ - int ret; - if ((ret =3D pthread_cond_wait(&c->cond, &m->lock)) !=3D 0) { - errno =3D ret; - return -1; - } - return 0; -} - -int virCondWaitUntil(virCondPtr c, virMutexPtr m, unsigned long long whenm= s) -{ - int ret; - struct timespec ts; - - ts.tv_sec =3D whenms / 1000; - ts.tv_nsec =3D (whenms % 1000) * 1000; - - if ((ret =3D pthread_cond_timedwait(&c->cond, &m->lock, &ts)) !=3D 0) { - errno =3D ret; - return -1; - } - return 0; -} - -void virCondSignal(virCondPtr c) -{ - pthread_cond_signal(&c->cond); -} - -void virCondBroadcast(virCondPtr c) -{ - pthread_cond_broadcast(&c->cond); -} - -struct virThreadArgs { - virThreadFunc func; - void *opaque; -}; - -static void *virThreadHelper(void *data) -{ - struct virThreadArgs *args =3D data; - args->func(args->opaque); - VIR_FREE(args); - return NULL; -} - -int virThreadCreate(virThreadPtr thread, - bool joinable, - virThreadFunc func, - void *opaque) -{ - struct virThreadArgs *args; - pthread_attr_t attr; - int ret =3D -1; - int err; - - if ((err =3D pthread_attr_init(&attr)) !=3D 0) - goto cleanup; - if (VIR_ALLOC(args) < 0) { - err =3D ENOMEM; - goto cleanup; - } - - args->func =3D func; - args->opaque =3D opaque; - - if (!joinable) - pthread_attr_setdetachstate(&attr, 1); - - err =3D pthread_create(&thread->thread, &attr, virThreadHelper, args); - if (err !=3D 0) { - VIR_FREE(args); - goto cleanup; - } - /* New thread owns 'args' in success case, so don't free */ - - ret =3D 0; -cleanup: - pthread_attr_destroy(&attr); - if (ret < 0) - errno =3D err; - return ret; -} - -void virThreadSelf(virThreadPtr thread) -{ - thread->thread =3D pthread_self(); -} - -bool virThreadIsSelf(virThreadPtr thread) -{ - return pthread_equal(pthread_self(), thread->thread) ? true : false; -} - -/* For debugging use only; this result is not guaranteed unique on BSD - * systems when pthread_t is a 64-bit pointer. */ -int virThreadSelfID(void) -{ -#if defined(HAVE_SYS_SYSCALL_H) && defined(SYS_gettid) - pid_t tid; - tid =3D syscall(SYS_gettid); - return (int)tid; -#else - return (int)pthread_self(); -#endif -} - -/* For debugging use only; this result is not guaranteed unique on BSD - * systems when pthread_t is a 64-bit pointer, nor does it match the - * thread id of virThreadSelfID on Linux. */ -int virThreadID(virThreadPtr thread) -{ - return (int)(uintptr_t)thread->thread; -} - -void virThreadJoin(virThreadPtr thread) -{ - pthread_join(thread->thread, NULL); -} - -int virThreadLocalInit(virThreadLocalPtr l, - virThreadLocalCleanup c) -{ - int ret; - if ((ret =3D pthread_key_create(&l->key, c)) !=3D 0) { - errno =3D ret; - return -1; - } - return 0; -} - -void *virThreadLocalGet(virThreadLocalPtr l) -{ - return pthread_getspecific(l->key); -} - -void virThreadLocalSet(virThreadLocalPtr l, void *val) -{ - pthread_setspecific(l->key, val); -} diff --git a/src/threads.h b/src/threads.h deleted file mode 100644 index ae81273..0000000 --- a/src/threads.h +++ /dev/null @@ -1,101 +0,0 @@ -/* - * threads.h: basic thread synchronization primitives - * - * Copyright (C) 2009-2010 Red Hat, Inc. - * - * This library is free software; you can redistribute it and/or - * modify it under the terms of the GNU Lesser General Public - * License as published by the Free Software Foundation; either - * version 2.1 of the License, or (at your option) any later version. - * - * This library is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU - * Lesser General Public License for more details. - * - * You should have received a copy of the GNU Lesser General Public - * License along with this library; if not, write to the Free Software - * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA - * - */ - -#ifndef __THREADS_H_ -# define __THREADS_H_ - -# include "internal.h" -# include - -typedef struct virMutex virMutex; -typedef virMutex *virMutexPtr; - -typedef struct virCond virCond; -typedef virCond *virCondPtr; - -typedef struct virThreadLocal virThreadLocal; -typedef virThreadLocal *virThreadLocalPtr; - -typedef struct virThread virThread; -typedef virThread *virThreadPtr; - - -int virThreadInitialize(void) ATTRIBUTE_RETURN_CHECK; -void virThreadOnExit(void); - -typedef void (*virThreadFunc)(void *opaque); - -int virThreadCreate(virThreadPtr thread, - bool joinable, - virThreadFunc func, - void *opaque) ATTRIBUTE_RETURN_CHECK; -void virThreadSelf(virThreadPtr thread); -bool virThreadIsSelf(virThreadPtr thread); -void virThreadJoin(virThreadPtr thread); - -/* These next two functions are for debugging only, since they are not - * guaranteed to give unique values for distinct threads on all - * architectures, nor are the two functions guaranteed to give the same - * value for the same thread. */ -int virThreadSelfID(void); -int virThreadID(virThreadPtr thread); - -int virMutexInit(virMutexPtr m) ATTRIBUTE_RETURN_CHECK; -int virMutexInitRecursive(virMutexPtr m) ATTRIBUTE_RETURN_CHECK; -void virMutexDestroy(virMutexPtr m); - -void virMutexLock(virMutexPtr m); -void virMutexUnlock(virMutexPtr m); - - - -int virCondInit(virCondPtr c) ATTRIBUTE_RETURN_CHECK; -int virCondDestroy(virCondPtr c) ATTRIBUTE_RETURN_CHECK; - -int virCondWait(virCondPtr c, virMutexPtr m) ATTRIBUTE_RETURN_CHECK; -int virCondWaitUntil(virCondPtr c, virMutexPtr m, unsigned long long whenm= s) ATTRIBUTE_RETURN_CHECK; -void virCondSignal(virCondPtr c); -void virCondBroadcast(virCondPtr c); - - -typedef void (*virThreadLocalCleanup)(void *); -int virThreadLocalInit(virThreadLocalPtr l, - virThreadLocalCleanup c) ATTRIBUTE_RETURN_CHECK; -void *virThreadLocalGet(virThreadLocalPtr l); -void virThreadLocalSet(virThreadLocalPtr l, void*); - -struct virMutex { - pthread_mutex_t lock; -}; - -struct virCond { - pthread_cond_t cond; -}; - -struct virThread { - pthread_t thread; -}; - -struct virThreadLocal { - pthread_key_t key; -}; - -#endif diff --git a/src/util.c b/src/util.c deleted file mode 100644 index 30d4e47..0000000 --- a/src/util.c +++ /dev/null @@ -1,105 +0,0 @@ -/* - * utils.c: common, generic utility functions - * - * Copyright (C) 2006-2011 Red Hat, Inc. - * Copyright (C) 2006 Daniel P. Berrange - * Copyright (C) 2006, 2007 Binary Karma - * Copyright (C) 2006 Shuveb Hussain - * - * This library is free software; you can redistribute it and/or - * modify it under the terms of the GNU Lesser General Public - * License as published by the Free Software Foundation; either - * version 2.1 of the License, or (at your option) any later version. - * - * This library is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU - * Lesser General Public License for more details. - * - * You should have received a copy of the GNU Lesser General Public - * License along with this library; if not, write to the Free Software - * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA - * - * Author: Daniel P. Berrange - * File created Jul 18, 2007 - Shuveb Hussain - */ - -#include "util.h" -#include -#include - -/* Like read(), but restarts after EINTR */ -ssize_t -saferead(int fd, void *buf, size_t count) -{ - size_t nread =3D 0; - while (count > 0) { - ssize_t r =3D read(fd, buf, count); - if (r < 0 && errno =3D=3D EINTR) - continue; - if (r < 0) - return r; - if (r =3D=3D 0) - return nread; - buf =3D (char *)buf + r; - count -=3D r; - nread +=3D r; - } - return nread; -} - -/* Like write(), but restarts after EINTR */ -ssize_t -safewrite(int fd, const void *buf, size_t count) -{ - size_t nwritten =3D 0; - while (count > 0) { - ssize_t r =3D write(fd, buf, count); - - if (r < 0 && errno =3D=3D EINTR) - continue; - if (r < 0) - return r; - if (r =3D=3D 0) - return nwritten; - buf =3D (const char *)buf + r; - count -=3D r; - nwritten +=3D r; - } - return nwritten; -} - -int virSetBlocking(int fd, bool blocking) { - int flags; - if ((flags =3D fcntl(fd, F_GETFL)) < 0) - return -1; - if (blocking) - flags &=3D ~O_NONBLOCK; - else - flags |=3D O_NONBLOCK; - if ((fcntl(fd, F_SETFL, flags)) < 0) - return -1; - return 0; -} - -int virSetNonBlock(int fd) { - return virSetBlocking(fd, false); -} - -int virSetCloseExec(int fd) -{ - return virSetInherit(fd, false); -} - -int virSetInherit(int fd, bool inherit) { - int flags; - if ((flags =3D fcntl(fd, F_GETFD)) < 0) - return -1; - if (inherit) - flags &=3D ~FD_CLOEXEC; - else - flags |=3D FD_CLOEXEC; - if ((fcntl(fd, F_SETFD, flags)) < 0) - return -1; - return 0; -} diff --git a/src/util.h b/src/util.h deleted file mode 100644 index a3d289e..0000000 --- a/src/util.h +++ /dev/null @@ -1,38 +0,0 @@ -/* - * utils.h: common, generic utility functions - * - * Copyright (C) 2010-2011 Red Hat, Inc. - * Copyright (C) 2006, 2007 Binary Karma - * Copyright (C) 2006 Shuveb Hussain - * - * This library is free software; you can redistribute it and/or - * modify it under the terms of the GNU Lesser General Public - * License as published by the Free Software Foundation; either - * version 2.1 of the License, or (at your option) any later version. - * - * This library is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU - * Lesser General Public License for more details. - * - * You should have received a copy of the GNU Lesser General Public - * License along with this library; if not, write to the Free Software - * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA - * - * File created Jul 18, 2007 - Shuveb Hussain - */ - -#ifndef __VIR_UTIL_H__ -#define __VIR_UTIL_H__ - -#include "internal.h" - -int virSetBlocking(int fd, bool blocking) ATTRIBUTE_RETURN_CHECK; -int virSetNonBlock(int fd) ATTRIBUTE_RETURN_CHECK; -int virSetInherit(int fd, bool inherit) ATTRIBUTE_RETURN_CHECK; -int virSetCloseExec(int fd) ATTRIBUTE_RETURN_CHECK; - -ssize_t saferead(int fd, void *buf, size_t count) ATTRIBUTE_RETURN_CHECK; -ssize_t safewrite(int fd, const void *buf, size_t count) ATTRIBUTE_RETURN= _CHECK; - -#endif --=20 2.18.1 -- libvir-list mailing list libvir-list@redhat.com https://www.redhat.com/mailman/listinfo/libvir-list From nobody Sat Dec 21 15:50:00 2024 Delivered-To: importer@patchew.org Received-SPF: pass (zoho.com: domain of redhat.com designates 209.132.183.28 as permitted sender) client-ip=209.132.183.28; envelope-from=libvir-list-bounces@redhat.com; helo=mx1.redhat.com; Authentication-Results: mx.zohomail.com; spf=pass (zoho.com: domain of redhat.com designates 209.132.183.28 as permitted sender) smtp.mailfrom=libvir-list-bounces@redhat.com; dmarc=pass(p=none dis=none) header.from=redhat.com Return-Path: Received: from mx1.redhat.com (mx1.redhat.com [209.132.183.28]) by mx.zohomail.com with SMTPS id 1539865774746111.8370267165642; Thu, 18 Oct 2018 05:29:34 -0700 (PDT) Received: from smtp.corp.redhat.com (int-mx07.intmail.prod.int.phx2.redhat.com [10.5.11.22]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mx1.redhat.com (Postfix) with ESMTPS id 1A3BE30001D3; Thu, 18 Oct 2018 12:29:33 +0000 (UTC) Received: from colo-mx.corp.redhat.com (colo-mx01.intmail.prod.int.phx2.redhat.com [10.5.11.20]) by smtp.corp.redhat.com (Postfix) with ESMTPS id CCD7D1057047; Thu, 18 Oct 2018 12:29:32 +0000 (UTC) Received: from lists01.pubmisc.prod.ext.phx2.redhat.com (lists01.pubmisc.prod.ext.phx2.redhat.com [10.5.19.33]) by colo-mx.corp.redhat.com (Postfix) with ESMTP id 65890180B5B7; Thu, 18 Oct 2018 12:29:32 +0000 (UTC) Received: from smtp.corp.redhat.com (int-mx03.intmail.prod.int.phx2.redhat.com [10.5.11.13]) by lists01.pubmisc.prod.ext.phx2.redhat.com (8.13.8/8.13.8) with ESMTP id w9ICRAd8025903 for ; Thu, 18 Oct 2018 08:27:10 -0400 Received: by smtp.corp.redhat.com (Postfix) id 0A57060922; Thu, 18 Oct 2018 12:27:10 +0000 (UTC) Received: from moe.brq.redhat.com (unknown [10.43.2.192]) by smtp.corp.redhat.com (Postfix) with ESMTP id 8053D60D58 for ; Thu, 18 Oct 2018 12:27:09 +0000 (UTC) From: Michal Privoznik To: libvir-list@redhat.com Date: Thu, 18 Oct 2018 14:26:42 +0200 Message-Id: <606175626ace37db62aaaf30016f56bc382b8c61.1539865556.git.mprivozn@redhat.com> In-Reply-To: References: X-Scanned-By: MIMEDefang 2.79 on 10.5.11.13 X-loop: libvir-list@redhat.com Subject: [libvirt] [snmp PATCH 04/20] configure.ac: Drop useless "-lvirt" in LIBVIRT_LIBS X-BeenThere: libvir-list@redhat.com X-Mailman-Version: 2.1.12 Precedence: junk List-Id: Development discussions about the libvirt library & tools List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable Sender: libvir-list-bounces@redhat.com Errors-To: libvir-list-bounces@redhat.com X-Scanned-By: MIMEDefang 2.84 on 10.5.11.22 X-Greylist: Sender IP whitelisted, not delayed by milter-greylist-4.5.16 (mx1.redhat.com [10.5.110.43]); Thu, 18 Oct 2018 12:29:33 +0000 (UTC) X-ZohoMail: RDMRC_0 RSF_0 Z_629925259 SPT_0 Content-Type: text/plain; charset="utf-8" We are using PKG_CHECK_MODULES() which sets LIBVIRT_LIBS and LIBVIRT_CFLAGS. There is no need to modify the former and put "-lvirt" into it. Signed-off-by: Michal Privoznik Reviewed-by: Martin Kletzander --- configure.ac | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/configure.ac b/configure.ac index 7834c34..1b4112e 100644 --- a/configure.ac +++ b/configure.ac @@ -26,8 +26,8 @@ dnl do we have libvirt installed? LIBVIRT_REQUIRED=3D0.9.0 =20 PKG_CHECK_MODULES(LIBVIRT, libvirt >=3D $LIBVIRT_REQUIRED) -LIBVIRT_LIBS=3D"$LIBVIRT_LIBS -lvirt" AC_SUBST(LIBVIRT_LIBS) +AC_SUBST(LIBVIRT_CFLAGS) =20 SNMP_CONFIG=3D"net-snmp-config" SNMP_CFLAGS=3D"" --=20 2.18.1 -- libvir-list mailing list libvir-list@redhat.com https://www.redhat.com/mailman/listinfo/libvir-list From nobody Sat Dec 21 15:50:00 2024 Delivered-To: importer@patchew.org Received-SPF: pass (zoho.com: domain of redhat.com designates 209.132.183.28 as permitted sender) client-ip=209.132.183.28; envelope-from=libvir-list-bounces@redhat.com; helo=mx1.redhat.com; Authentication-Results: mx.zohomail.com; spf=pass (zoho.com: domain of redhat.com designates 209.132.183.28 as permitted sender) smtp.mailfrom=libvir-list-bounces@redhat.com; dmarc=pass(p=none dis=none) header.from=redhat.com Return-Path: Received: from mx1.redhat.com (mx1.redhat.com [209.132.183.28]) by mx.zohomail.com with SMTPS id 1539865794312247.70468574994004; Thu, 18 Oct 2018 05:29:54 -0700 (PDT) Received: from smtp.corp.redhat.com (int-mx08.intmail.prod.int.phx2.redhat.com [10.5.11.23]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mx1.redhat.com (Postfix) with ESMTPS id 48F023002A8A; Thu, 18 Oct 2018 12:29:52 +0000 (UTC) Received: from colo-mx.corp.redhat.com (colo-mx02.intmail.prod.int.phx2.redhat.com [10.5.11.21]) by smtp.corp.redhat.com (Postfix) with ESMTPS id 0F27057CA7; Thu, 18 Oct 2018 12:29:52 +0000 (UTC) Received: from lists01.pubmisc.prod.ext.phx2.redhat.com (lists01.pubmisc.prod.ext.phx2.redhat.com [10.5.19.33]) by colo-mx.corp.redhat.com (Postfix) with ESMTP id ADAF13D60; Thu, 18 Oct 2018 12:29:51 +0000 (UTC) Received: from smtp.corp.redhat.com (int-mx03.intmail.prod.int.phx2.redhat.com [10.5.11.13]) by lists01.pubmisc.prod.ext.phx2.redhat.com (8.13.8/8.13.8) with ESMTP id w9ICRAvv025916 for ; Thu, 18 Oct 2018 08:27:10 -0400 Received: by smtp.corp.redhat.com (Postfix) id DA21D611BC; Thu, 18 Oct 2018 12:27:10 +0000 (UTC) Received: from moe.brq.redhat.com (unknown [10.43.2.192]) by smtp.corp.redhat.com (Postfix) with ESMTP id 5C0AC60D58 for ; Thu, 18 Oct 2018 12:27:10 +0000 (UTC) From: Michal Privoznik To: libvir-list@redhat.com Date: Thu, 18 Oct 2018 14:26:43 +0200 Message-Id: <68e0962efcded5c7166a74df6b9fb606e49e452e.1539865556.git.mprivozn@redhat.com> In-Reply-To: References: X-Scanned-By: MIMEDefang 2.79 on 10.5.11.13 X-loop: libvir-list@redhat.com Subject: [libvirt] [snmp PATCH 05/20] showError: Switch to less ancient error reporting X-BeenThere: libvir-list@redhat.com X-Mailman-Version: 2.1.12 Precedence: junk List-Id: Development discussions about the libvirt library & tools List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable Sender: libvir-list-bounces@redhat.com Errors-To: libvir-list-bounces@redhat.com X-Scanned-By: MIMEDefang 2.84 on 10.5.11.23 X-Greylist: Sender IP whitelisted, not delayed by milter-greylist-4.5.16 (mx1.redhat.com [10.5.110.47]); Thu, 18 Oct 2018 12:29:53 +0000 (UTC) X-ZohoMail: RDMRC_0 RSF_0 Z_629925259 SPT_0 Content-Type: text/plain; charset="utf-8" So far, the function calls virConnCopyLastError() which is suboptimal since we have virGetLastErrorMessage(). Switch to that. Signed-off-by: Michal Privoznik Reviewed-by: Martin Kletzander --- configure.ac | 2 +- src/libvirtSnmp.c | 31 +++---------------------------- 2 files changed, 4 insertions(+), 29 deletions(-) diff --git a/configure.ac b/configure.ac index 1b4112e..baac0e1 100644 --- a/configure.ac +++ b/configure.ac @@ -23,7 +23,7 @@ dnl =20 =20 dnl do we have libvirt installed? -LIBVIRT_REQUIRED=3D0.9.0 +LIBVIRT_REQUIRED=3D1.0.6 =20 PKG_CHECK_MODULES(LIBVIRT, libvirt >=3D $LIBVIRT_REQUIRED) AC_SUBST(LIBVIRT_LIBS) diff --git a/src/libvirtSnmp.c b/src/libvirtSnmp.c index 111c97b..22cf8f0 100644 --- a/src/libvirtSnmp.c +++ b/src/libvirtSnmp.c @@ -76,36 +76,11 @@ stop(int sig) static void showError(virConnectPtr conn) { - int ret; - virErrorPtr err; + const char *err =3D virGetLastErrorMessage(); =20 - err =3D malloc(sizeof(*err)); - if (NULL =3D=3D err) { - printf("Could not allocate memory for error data\n"); - goto out; - } + snmp_log(LOG_ERR, "libvirt reported: \"%s\"\n", err); =20 - ret =3D virConnCopyLastError(conn, err); - - switch (ret) { - case 0: - snmp_log(LOG_ERR, "No error found\n"); - break; - - case -1: - snmp_log(LOG_ERR, "Parameter error when attempting to get last err= or\n"); - break; - - default: - snmp_log(LOG_ERR, "libvirt reported: \"%s\"\n", err->message); - break; - } - - virResetError(err); - free(err); - - out: - return; + virResetLastError(); } =20 =20 --=20 2.18.1 -- libvir-list mailing list libvir-list@redhat.com https://www.redhat.com/mailman/listinfo/libvir-list From nobody Sat Dec 21 15:50:00 2024 Delivered-To: importer@patchew.org Received-SPF: pass (zoho.com: domain of redhat.com designates 209.132.183.28 as permitted sender) client-ip=209.132.183.28; envelope-from=libvir-list-bounces@redhat.com; helo=mx1.redhat.com; Authentication-Results: mx.zohomail.com; spf=pass (zoho.com: domain of redhat.com designates 209.132.183.28 as permitted sender) smtp.mailfrom=libvir-list-bounces@redhat.com; dmarc=pass(p=none dis=none) header.from=redhat.com Return-Path: Received: from mx1.redhat.com (mx1.redhat.com [209.132.183.28]) by mx.zohomail.com with SMTPS id 15398658111541018.7585574307196; Thu, 18 Oct 2018 05:30:11 -0700 (PDT) Received: from smtp.corp.redhat.com (int-mx05.intmail.prod.int.phx2.redhat.com [10.5.11.15]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mx1.redhat.com (Postfix) with ESMTPS id 20FDD30C9EEF; Thu, 18 Oct 2018 12:30:09 +0000 (UTC) Received: from colo-mx.corp.redhat.com (colo-mx02.intmail.prod.int.phx2.redhat.com [10.5.11.21]) by smtp.corp.redhat.com (Postfix) with ESMTPS id D14BB6152A; Thu, 18 Oct 2018 12:30:08 +0000 (UTC) Received: from lists01.pubmisc.prod.ext.phx2.redhat.com (lists01.pubmisc.prod.ext.phx2.redhat.com [10.5.19.33]) by colo-mx.corp.redhat.com (Postfix) with ESMTP id 6333B3D62; Thu, 18 Oct 2018 12:30:08 +0000 (UTC) Received: from smtp.corp.redhat.com (int-mx03.intmail.prod.int.phx2.redhat.com [10.5.11.13]) by lists01.pubmisc.prod.ext.phx2.redhat.com (8.13.8/8.13.8) with ESMTP id w9ICRBJi025926 for ; Thu, 18 Oct 2018 08:27:11 -0400 Received: by smtp.corp.redhat.com (Postfix) id B6F0F611C5; Thu, 18 Oct 2018 12:27:11 +0000 (UTC) Received: from moe.brq.redhat.com (unknown [10.43.2.192]) by smtp.corp.redhat.com (Postfix) with ESMTP id 3452160D58 for ; Thu, 18 Oct 2018 12:27:11 +0000 (UTC) From: Michal Privoznik To: libvir-list@redhat.com Date: Thu, 18 Oct 2018 14:26:44 +0200 Message-Id: In-Reply-To: References: X-Scanned-By: MIMEDefang 2.79 on 10.5.11.13 X-loop: libvir-list@redhat.com Subject: [libvirt] [snmp PATCH 06/20] libvirtSnmp: Modernize libvirtSnmpLoadGuests X-BeenThere: libvir-list@redhat.com X-Mailman-Version: 2.1.12 Precedence: junk List-Id: Development discussions about the libvirt library & tools List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable Sender: libvir-list-bounces@redhat.com Errors-To: libvir-list-bounces@redhat.com X-Scanned-By: MIMEDefang 2.79 on 10.5.11.15 X-Greylist: Sender IP whitelisted, not delayed by milter-greylist-4.5.16 (mx1.redhat.com [10.5.110.42]); Thu, 18 Oct 2018 12:30:09 +0000 (UTC) X-ZohoMail: RDMRC_0 RSF_0 Z_629925259 SPT_0 Content-Type: text/plain; charset="utf-8" Since libvirt-0.9.13 we have this atomic API for listing domains. Use that instead of the old ones. Signed-off-by: Michal Privoznik Reviewed-by: Martin Kletzander --- src/libvirtSnmp.c | 107 +++++++--------------------------------------- 1 file changed, 16 insertions(+), 91 deletions(-) diff --git a/src/libvirtSnmp.c b/src/libvirtSnmp.c index 22cf8f0..589fd03 100644 --- a/src/libvirtSnmp.c +++ b/src/libvirtSnmp.c @@ -165,105 +165,30 @@ insertGuest(netsnmp_container *container, virDomainP= tr domain) int libvirtSnmpLoadGuests(netsnmp_container *container) { - int ret =3D 0, i, numIds, numActiveDomains; - int numNames, numDefinedDomains; - int *idList =3D NULL; - char **nameList =3D NULL; - virDomainPtr domain =3D NULL; + int ret =3D -1; + int i; + int ndomains; + virDomainPtr *domains =3D NULL; =20 - numActiveDomains =3D virConnectNumOfDomains(conn); - if (-1 =3D=3D numActiveDomains) { - ret =3D -1; - printf("Failed to get number of active domains\n"); + if ((ndomains =3D virConnectListAllDomains(conn, &domains, 0)) < 0) { + printf("Failed to list all domains\n"); showError(conn); - goto out; + goto cleanup; } =20 - idList =3D malloc(sizeof(*idList) * numActiveDomains); =20 - if (NULL =3D=3D idList) { - ret =3D -1; - printf("Could not allocate memory for list of active domains\n"); - goto out; + for (i =3D 0; i < ndomains; i++) { + if (insertGuest(container, domains[i]) < 0) + goto cleanup; } =20 - numIds =3D virConnectListDomains(conn, - idList, - numActiveDomains); - - if (-1 =3D=3D numIds) { - ret =3D -1; - printf("Could not get list of defined domains from hypervisor\n"); - showError(conn); - goto out; + ret =3D 0; + cleanup: + if (domains) { + for (i =3D 0; i < ndomains; i++) + virDomainFree(domains[i]); + free(domains); } - - for (i =3D 0 ; i < numIds ; i++) { - domain =3D virDomainLookupByID(conn, *(idList + i)); - if (NULL =3D=3D domain) { - printf("Failed to lookup domain\n"); - showError(conn); - ret =3D -1; - goto out; - } - - ret =3D insertGuest(container, domain); - - virDomainFree(domain); - - if (-1 =3D=3D ret) - goto out; - } - - /* Inactive domains */ - numDefinedDomains =3D virConnectNumOfDefinedDomains(conn); - if (-1 =3D=3D numDefinedDomains) { - ret =3D -1; - printf("Failed to get number of defined domains\n"); - showError(conn); - goto out; - } - - nameList =3D malloc(sizeof(*nameList) * numDefinedDomains); - - if (NULL =3D=3D nameList) { - ret =3D -1; - printf("Could not allocate memory for list of defined domains\n"); - goto out_inact; - } - - numNames =3D virConnectListDefinedDomains(conn, - nameList, - numDefinedDomains); - - if (-1 =3D=3D numNames) { - ret =3D -1; - printf("Could not get list of defined domains from hypervisor\n"); - showError(conn); - goto out_inact; - } - - for (i =3D 0 ; i < numNames ; i++) { - domain =3D virDomainLookupByName(conn, *(nameList + i)); - if (NULL =3D=3D domain) { - printf("Failed to lookup domain\n"); - showError(conn); - ret =3D -1; - goto out_inact; - } - - ret =3D insertGuest(container, domain); - - virDomainFree(domain); - - if (-1 =3D=3D ret) - goto out_inact; - } - - out_inact: - free(nameList); - out: - free(idList); return ret; } =20 --=20 2.18.1 -- libvir-list mailing list libvir-list@redhat.com https://www.redhat.com/mailman/listinfo/libvir-list From nobody Sat Dec 21 15:50:00 2024 Delivered-To: importer@patchew.org Received-SPF: pass (zoho.com: domain of redhat.com designates 209.132.183.28 as permitted sender) client-ip=209.132.183.28; envelope-from=libvir-list-bounces@redhat.com; helo=mx1.redhat.com; Authentication-Results: mx.zohomail.com; spf=pass (zoho.com: domain of redhat.com designates 209.132.183.28 as permitted sender) smtp.mailfrom=libvir-list-bounces@redhat.com; dmarc=pass(p=none dis=none) header.from=redhat.com Return-Path: Received: from mx1.redhat.com (mx1.redhat.com [209.132.183.28]) by mx.zohomail.com with SMTPS id 1539865653581474.2043385619578; Thu, 18 Oct 2018 05:27:33 -0700 (PDT) Received: from smtp.corp.redhat.com (int-mx05.intmail.prod.int.phx2.redhat.com [10.5.11.15]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mx1.redhat.com (Postfix) with ESMTPS id 5A92580462; Thu, 18 Oct 2018 12:27:31 +0000 (UTC) Received: from colo-mx.corp.redhat.com (colo-mx01.intmail.prod.int.phx2.redhat.com [10.5.11.20]) by smtp.corp.redhat.com (Postfix) with ESMTPS id 137EC46E70; Thu, 18 Oct 2018 12:27:31 +0000 (UTC) Received: from lists01.pubmisc.prod.ext.phx2.redhat.com (lists01.pubmisc.prod.ext.phx2.redhat.com [10.5.19.33]) by colo-mx.corp.redhat.com (Postfix) with ESMTP id 85ECD18005B4; Thu, 18 Oct 2018 12:27:30 +0000 (UTC) Received: from smtp.corp.redhat.com (int-mx03.intmail.prod.int.phx2.redhat.com [10.5.11.13]) by lists01.pubmisc.prod.ext.phx2.redhat.com (8.13.8/8.13.8) with ESMTP id w9ICRCt6025933 for ; Thu, 18 Oct 2018 08:27:12 -0400 Received: by smtp.corp.redhat.com (Postfix) id 87CBF60922; Thu, 18 Oct 2018 12:27:12 +0000 (UTC) Received: from moe.brq.redhat.com (unknown [10.43.2.192]) by smtp.corp.redhat.com (Postfix) with ESMTP id 0C898611BC for ; Thu, 18 Oct 2018 12:27:11 +0000 (UTC) From: Michal Privoznik To: libvir-list@redhat.com Date: Thu, 18 Oct 2018 14:26:45 +0200 Message-Id: <62952878a9048576caebbe8c3245d1b14f7d3358.1539865556.git.mprivozn@redhat.com> In-Reply-To: References: X-Scanned-By: MIMEDefang 2.79 on 10.5.11.13 X-loop: libvir-list@redhat.com Subject: [libvirt] [snmp PATCH 07/20] libvirtSnmp: Modernize insertGuest X-BeenThere: libvir-list@redhat.com X-Mailman-Version: 2.1.12 Precedence: junk List-Id: Development discussions about the libvirt library & tools List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable Sender: libvir-list-bounces@redhat.com Errors-To: libvir-list-bounces@redhat.com X-Scanned-By: MIMEDefang 2.79 on 10.5.11.15 X-Greylist: Sender IP whitelisted, not delayed by milter-greylist-4.5.16 (mx1.redhat.com [10.5.110.28]); Thu, 18 Oct 2018 12:27:32 +0000 (UTC) X-ZohoMail: RDMRC_0 RSF_0 Z_629925259 SPT_0 Content-Type: text/plain; charset="utf-8" Firstly, this style of comparison makes my eyes bleed: if (-1 =3D=3D some_int) Secondly, the retval is initialized to zero and then in every error path it is set to -1. Le sigh. Thirdly, virDomainGetName() can't fail at the point we are calling it (it can fail iff passed virDomainPtr is invalid, but that can't be the case). Signed-off-by: Michal Privoznik Reviewed-by: Martin Kletzander --- src/libvirtSnmp.c | 68 +++++++++++++++++++++-------------------------- 1 file changed, 31 insertions(+), 37 deletions(-) diff --git a/src/libvirtSnmp.c b/src/libvirtSnmp.c index 589fd03..1e7e345 100644 --- a/src/libvirtSnmp.c +++ b/src/libvirtSnmp.c @@ -87,54 +87,47 @@ showError(virConnectPtr conn) static int insertGuest(netsnmp_container *container, virDomainPtr domain) { - int ret =3D 0; virDomainInfo info; libvirtGuestTable_rowreq_ctx *row_ctx =3D NULL; - const char *name =3D NULL; - unsigned char uuid[16]; + const char *name; + unsigned char uuid[VIR_UUID_BUFLEN]; =20 - if (-1 =3D=3D virDomainGetInfo(domain, &info)) { + if (virDomainGetInfo(domain, &info) < 0) { printf("Failed to get domain info\n"); showError(conn); - ret =3D -1; - goto out; + goto error; } =20 /* create new row in the container */ - row_ctx =3D libvirtGuestTable_allocate_rowreq_ctx(NULL); - if (!row_ctx) { + if (!(row_ctx =3D libvirtGuestTable_allocate_rowreq_ctx(NULL))) { snmp_log(LOG_ERR, "Error creating row"); - ret =3D -1; - goto out; + goto error; } =20 /* set the index of the row */ - ret =3D virDomainGetUUID(domain, uuid); - if (ret) { - snmp_log(LOG_ERR, "Cannot get UUID"); - libvirtGuestTable_release_rowreq_ctx(row_ctx); - ret =3D -1; - goto out; + if (virDomainGetUUID(domain, uuid) < 0) { + printf("Failed to get domain UUID\n"); + showError(conn); + goto error; } - if (MFD_SUCCESS !=3D libvirtGuestTable_indexes_set(row_ctx, (char*) uu= id, - sizeof(uuid))) { + + if (libvirtGuestTable_indexes_set(row_ctx, + (char*) uuid, + sizeof(uuid)) !=3D MFD_SUCCESS) { snmp_log(LOG_ERR, "Error setting row index"); - libvirtGuestTable_release_rowreq_ctx(row_ctx); - ret =3D -1; - goto out; + goto error; } =20 /* set the data */ - name =3D virDomainGetName(domain); - if (name) - row_ctx->data.libvirtGuestName =3D strdup(name); - else - row_ctx->data.libvirtGuestName =3D strdup(""); - if (!row_ctx->data.libvirtGuestName) { + if (!(name =3D virDomainGetName(domain))) { + printf("Failed to get domain name\n"); + showError(conn); + goto error; + } + + if (!(row_ctx->data.libvirtGuestName =3D strdup(name))) { snmp_log(LOG_ERR, "Not enough memory for domain name '%s'", name); - libvirtGuestTable_release_rowreq_ctx(row_ctx); - ret =3D -1; - goto out; + goto error; } =20 row_ctx->data.libvirtGuestState =3D info.state; @@ -147,16 +140,17 @@ insertGuest(netsnmp_container *container, virDomainPt= r domain) =20 row_ctx->data.libvirtGuestRowStatus =3D ROWSTATUS_ACTIVE; =20 - ret =3D CONTAINER_INSERT(container, row_ctx); - if (ret) { + if (CONTAINER_INSERT(container, row_ctx) < 0) { snmp_log(LOG_ERR, "Cannot insert domain '%s' to container", name); - libvirtGuestTable_release_rowreq_ctx(row_ctx); - ret =3D -1; - goto out; + goto error; } =20 - out: - return ret; + return 0; + + error: + if (row_ctx) + libvirtGuestTable_release_rowreq_ctx(row_ctx); + return -1; } =20 /* --=20 2.18.1 -- libvir-list mailing list libvir-list@redhat.com https://www.redhat.com/mailman/listinfo/libvir-list From nobody Sat Dec 21 15:50:00 2024 Delivered-To: importer@patchew.org Received-SPF: pass (zoho.com: domain of redhat.com designates 209.132.183.28 as permitted sender) client-ip=209.132.183.28; envelope-from=libvir-list-bounces@redhat.com; helo=mx1.redhat.com; Authentication-Results: mx.zohomail.com; spf=pass (zoho.com: domain of redhat.com designates 209.132.183.28 as permitted sender) smtp.mailfrom=libvir-list-bounces@redhat.com; dmarc=pass(p=none dis=none) header.from=redhat.com Return-Path: Received: from mx1.redhat.com (mx1.redhat.com [209.132.183.28]) by mx.zohomail.com with SMTPS id 1539865828470998.3645331218162; Thu, 18 Oct 2018 05:30:28 -0700 (PDT) Received: from smtp.corp.redhat.com (int-mx01.intmail.prod.int.phx2.redhat.com [10.5.11.11]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mx1.redhat.com (Postfix) with ESMTPS id 66472C0B0204; Thu, 18 Oct 2018 12:30:26 +0000 (UTC) Received: from colo-mx.corp.redhat.com (colo-mx02.intmail.prod.int.phx2.redhat.com [10.5.11.21]) by smtp.corp.redhat.com (Postfix) with ESMTPS id 2AEEE78996; Thu, 18 Oct 2018 12:30:26 +0000 (UTC) Received: from lists01.pubmisc.prod.ext.phx2.redhat.com (lists01.pubmisc.prod.ext.phx2.redhat.com [10.5.19.33]) by colo-mx.corp.redhat.com (Postfix) with ESMTP id CC14D3D63; Thu, 18 Oct 2018 12:30:25 +0000 (UTC) Received: from smtp.corp.redhat.com (int-mx03.intmail.prod.int.phx2.redhat.com [10.5.11.13]) by lists01.pubmisc.prod.ext.phx2.redhat.com (8.13.8/8.13.8) with ESMTP id w9ICRD0C025941 for ; Thu, 18 Oct 2018 08:27:13 -0400 Received: by smtp.corp.redhat.com (Postfix) id 659BA60922; Thu, 18 Oct 2018 12:27:13 +0000 (UTC) Received: from moe.brq.redhat.com (unknown [10.43.2.192]) by smtp.corp.redhat.com (Postfix) with ESMTP id DA4DB60BF8 for ; Thu, 18 Oct 2018 12:27:12 +0000 (UTC) From: Michal Privoznik To: libvir-list@redhat.com Date: Thu, 18 Oct 2018 14:26:46 +0200 Message-Id: <9597696c96ac75dd6f6dce85b936cec321a7fd25.1539865556.git.mprivozn@redhat.com> In-Reply-To: References: X-Scanned-By: MIMEDefang 2.79 on 10.5.11.13 X-loop: libvir-list@redhat.com Subject: [libvirt] [snmp PATCH 08/20] libvirtSnmp: Rewrite some functions X-BeenThere: libvir-list@redhat.com X-Mailman-Version: 2.1.12 Precedence: junk List-Id: Development discussions about the libvirt library & tools List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable Sender: libvir-list-bounces@redhat.com Errors-To: libvir-list-bounces@redhat.com X-Scanned-By: MIMEDefang 2.79 on 10.5.11.11 X-Greylist: Sender IP whitelisted, not delayed by milter-greylist-4.5.16 (mx1.redhat.com [10.5.110.31]); Thu, 18 Oct 2018 12:30:27 +0000 (UTC) X-ZohoMail: RDMRC_0 RSF_0 Z_629925259 SPT_0 Content-Type: text/plain; charset="utf-8" Some function initialize retval to 0 and then for every error path they reset it to -1. Signed-off-by: Michal Privoznik Reviewed-by: Martin Kletzander --- src/libvirtSnmp.c | 50 +++++++++++++++++++++++------------------------ 1 file changed, 24 insertions(+), 26 deletions(-) diff --git a/src/libvirtSnmp.c b/src/libvirtSnmp.c index 1e7e345..4ad6fab 100644 --- a/src/libvirtSnmp.c +++ b/src/libvirtSnmp.c @@ -258,9 +258,7 @@ int libvirtSnmpInit(void) =20 /* TODO: configure the URI */ /* Use libvirt env variable LIBVIRT_DEFAULT_URI by default*/ - conn =3D virConnectOpenAuth(NULL, virConnectAuthPtrDefault, 0); - - if (NULL =3D=3D conn) { + if (!(conn =3D virConnectOpenAuth(NULL, virConnectAuthPtrDefault, 0)))= { printf("No connection to hypervisor\n"); showError(conn); return -1; @@ -283,6 +281,7 @@ libvirtDeinitTimer(int timer ATTRIBUTE_UNUSED, void *op= aque ATTRIBUTE_UNUSED) void libvirtSnmpShutdown(void) { int timer; + int rc; =20 /* in case server is being stopped, run is still 1, so let's * shutdown the thread in a clean way */ @@ -299,8 +298,9 @@ void libvirtSnmpShutdown(void) printf("Failed to unregister domain events\n"); } =20 - if (0 !=3D virConnectClose(conn)) { - printf("Failed to disconnect from hypervisor\n"); + if ((rc =3D virConnectClose(conn))) { + printf("Failed to disconnect from hypervisor. " + "Leaked references: %d\n", rc); showError(conn); } } @@ -320,18 +320,11 @@ int libvirtSnmpCreate(unsigned char *uuid, int state) { virDomainPtr dom; - int ret; + int ret =3D -1; unsigned int flags =3D 0; =20 - dom =3D virDomainLookupByUUID(conn, uuid); - if (dom =3D=3D NULL) { - printf("Cannot find domain to create\n"); - return -1; - } - switch(state) { case VIR_DOMAIN_RUNNING: - flags =3D 0; break; case VIR_DOMAIN_PAUSED: flags =3D VIR_DOMAIN_START_PAUSED; @@ -341,10 +334,18 @@ libvirtSnmpCreate(unsigned char *uuid, int state) return -1; } =20 - ret =3D virDomainCreateWithFlags(dom, flags); - if (ret) { - showError(conn); + if (!(dom =3D virDomainLookupByUUID(conn, uuid))) { + printf("Cannot find domain to create\n"); + return -1; } + + if (virDomainCreateWithFlags(dom, flags) < 0) { + showError(conn); + goto cleanup; + } + + ret =3D 0; + cleanup: virDomainFree(dom); return ret; } @@ -353,27 +354,26 @@ int libvirtSnmpDestroy(unsigned char *uuid) { virDomainPtr dom; - int ret; =20 - dom =3D virDomainLookupByUUID(conn, uuid); - if (dom =3D=3D NULL) { + if (!(dom =3D virDomainLookupByUUID(conn, uuid))) { printf("Cannot find domain to destroy\n"); return -1; } =20 - ret =3D virDomainDestroy(dom); - if (ret) { + if (virDomainDestroy(dom) < 0) { showError(conn); + return -1; } + virDomainFree(dom); - return ret; + return 0; } =20 int libvirtSnmpChangeState(unsigned char *uuid, int newstate, int oldstate) { virDomainPtr dom; - int ret =3D 0; + int ret =3D -1; =20 dom =3D virDomainLookupByUUID(conn, uuid); if (dom =3D=3D NULL) { @@ -389,13 +389,11 @@ libvirtSnmpChangeState(unsigned char *uuid, int newst= ate, int oldstate) ret =3D virDomainShutdown(dom); else { printf("Wrong state transition from %d to %d\n", oldstate, newstat= e); - ret =3D -1; goto out; } =20 - if (ret !=3D 0) { + if (ret < 0) showError(conn); - } out: virDomainFree(dom); return ret; --=20 2.18.1 -- libvir-list mailing list libvir-list@redhat.com https://www.redhat.com/mailman/listinfo/libvir-list From nobody Sat Dec 21 15:50:00 2024 Delivered-To: importer@patchew.org Received-SPF: pass (zoho.com: domain of redhat.com designates 209.132.183.28 as permitted sender) client-ip=209.132.183.28; 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Thu, 18 Oct 2018 12:27:38 +0000 (UTC) Received: from smtp.corp.redhat.com (int-mx03.intmail.prod.int.phx2.redhat.com [10.5.11.13]) by lists01.pubmisc.prod.ext.phx2.redhat.com (8.13.8/8.13.8) with ESMTP id w9ICREG7025946 for ; Thu, 18 Oct 2018 08:27:14 -0400 Received: by smtp.corp.redhat.com (Postfix) id 433CA614FE; Thu, 18 Oct 2018 12:27:14 +0000 (UTC) Received: from moe.brq.redhat.com (unknown [10.43.2.192]) by smtp.corp.redhat.com (Postfix) with ESMTP id B5ECF611BC for ; Thu, 18 Oct 2018 12:27:13 +0000 (UTC) From: Michal Privoznik To: libvir-list@redhat.com Date: Thu, 18 Oct 2018 14:26:47 +0200 Message-Id: <47769d3011f3cea3699caee92974232c78b2a8be.1539865556.git.mprivozn@redhat.com> In-Reply-To: References: X-Scanned-By: MIMEDefang 2.79 on 10.5.11.13 X-loop: libvir-list@redhat.com Subject: [libvirt] [snmp PATCH 09/20] src: Fix header file defines X-BeenThere: libvir-list@redhat.com X-Mailman-Version: 2.1.12 Precedence: junk List-Id: Development discussions about the libvirt library & tools List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable Sender: libvir-list-bounces@redhat.com Errors-To: libvir-list-bounces@redhat.com X-Scanned-By: MIMEDefang 2.79 on 10.5.11.12 X-Greylist: Sender IP whitelisted, not delayed by milter-greylist-4.5.16 (mx1.redhat.com [10.5.110.31]); Thu, 18 Oct 2018 12:27:39 +0000 (UTC) X-ZohoMail: RDMRC_0 RSF_0 Z_629925259 SPT_0 Content-Type: text/plain; charset="utf-8" To avoid multiple includes, header files start with: #ifndef __SOMETHING__ # define __SOMETHING__ Well, SOMETHING should be the file name, and there should be a space after hash and before 'define'. Signed-off-by: Michal Privoznik Reviewed-by: Martin Kletzander --- src/libvirtNotifications.h | 6 +++--- src/libvirtSnmp.h | 6 +++--- src/libvirtSnmpError.h | 6 +++--- 3 files changed, 9 insertions(+), 9 deletions(-) diff --git a/src/libvirtNotifications.h b/src/libvirtNotifications.h index 0be8fdc..ee7a2e3 100644 --- a/src/libvirtNotifications.h +++ b/src/libvirtNotifications.h @@ -20,8 +20,8 @@ * Author: Michal Privoznik */ =20 -#ifndef LIBVIRTNOTIFICATIONS_H -#define LIBVIRTNOTIFICATIONS_H +#ifndef __LIBVIRT_NOTIFICATIONS_H__ +# define __LIBVIRT_NOTIFICATIONS_H__ =20 #include "libvirtSnmp.h" =20 @@ -30,4 +30,4 @@ */ int send_libvirtGuestNotif_trap(virDomainPtr dom); =20 -#endif /* LIBVIRTNOTIFICATIONS_H */ +#endif /* __LIBVIRT_NOTIFICATIONS_H__ */ diff --git a/src/libvirtSnmp.h b/src/libvirtSnmp.h index bac9988..2c5b0e5 100644 --- a/src/libvirtSnmp.h +++ b/src/libvirtSnmp.h @@ -20,8 +20,8 @@ * Author: Michal Privoznik */ =20 -#ifndef __VIR_SNMP_H__ -#define __VIR_SNMP_H__ +#ifndef __LIBVIRT_SNMP_H__ +# define __LIBVIRT_SNMP_H__ =20 /* standard libvirt includes */ #include @@ -60,5 +60,5 @@ libvirtSnmpDestroy(unsigned char *uuid); extern int libvirtSnmpChangeState(unsigned char *uuid, int newstate, int oldstate); =20 -#endif /* __VIR_SNMP_H__ */ +#endif /* __LIBVIRT_SNMP_H__ */ =20 diff --git a/src/libvirtSnmpError.h b/src/libvirtSnmpError.h index 518cc03..6d59478 100644 --- a/src/libvirtSnmpError.h +++ b/src/libvirtSnmpError.h @@ -20,12 +20,12 @@ * Author: Michal Privoznik */ =20 -#ifndef __VIR_SNMP_ERROR_H__ -#define __VIR_SNMP_ERROR_H__ +#ifndef __LIBVIRT_SNMP_ERROR_H__ +# define __LIBVIRT_SNMP_ERROR_H__ =20 #include #include =20 extern void printLibvirtError(const char *msg); =20 -#endif +#endif /* __LIBVIRT_SNMP_ERROR_H__ */ --=20 2.18.1 -- libvir-list mailing list libvir-list@redhat.com https://www.redhat.com/mailman/listinfo/libvir-list From nobody Sat Dec 21 15:50:00 2024 Delivered-To: importer@patchew.org Received-SPF: pass (zoho.com: domain of redhat.com designates 209.132.183.28 as permitted sender) client-ip=209.132.183.28; envelope-from=libvir-list-bounces@redhat.com; helo=mx1.redhat.com; Authentication-Results: mx.zohomail.com; spf=pass (zoho.com: domain of redhat.com designates 209.132.183.28 as permitted sender) smtp.mailfrom=libvir-list-bounces@redhat.com; dmarc=pass(p=none dis=none) header.from=redhat.com Return-Path: Received: from mx1.redhat.com (mx1.redhat.com [209.132.183.28]) by mx.zohomail.com with SMTPS id 153986584102886.68611518021112; Thu, 18 Oct 2018 05:30:41 -0700 (PDT) Received: from smtp.corp.redhat.com (int-mx07.intmail.prod.int.phx2.redhat.com [10.5.11.22]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mx1.redhat.com (Postfix) with ESMTPS id 5523A3082138; Thu, 18 Oct 2018 12:30:39 +0000 (UTC) Received: from colo-mx.corp.redhat.com (colo-mx01.intmail.prod.int.phx2.redhat.com [10.5.11.20]) by smtp.corp.redhat.com (Postfix) with ESMTPS id 0E97810018F8; Thu, 18 Oct 2018 12:30:39 +0000 (UTC) Received: from lists01.pubmisc.prod.ext.phx2.redhat.com (lists01.pubmisc.prod.ext.phx2.redhat.com [10.5.19.33]) by colo-mx.corp.redhat.com (Postfix) with ESMTP id A552E180B5B7; Thu, 18 Oct 2018 12:30:38 +0000 (UTC) Received: from smtp.corp.redhat.com (int-mx03.intmail.prod.int.phx2.redhat.com [10.5.11.13]) by lists01.pubmisc.prod.ext.phx2.redhat.com (8.13.8/8.13.8) with ESMTP id w9ICRFxq025962 for ; Thu, 18 Oct 2018 08:27:15 -0400 Received: by smtp.corp.redhat.com (Postfix) id 1D8D5611C5; Thu, 18 Oct 2018 12:27:15 +0000 (UTC) Received: from moe.brq.redhat.com (unknown [10.43.2.192]) by smtp.corp.redhat.com (Postfix) with ESMTP id 8F0AD611BC for ; Thu, 18 Oct 2018 12:27:14 +0000 (UTC) From: Michal Privoznik To: libvir-list@redhat.com Date: Thu, 18 Oct 2018 14:26:48 +0200 Message-Id: <96654fc185f8b275cbca2c746c5c7585a48b8ee4.1539865556.git.mprivozn@redhat.com> In-Reply-To: References: X-Scanned-By: MIMEDefang 2.79 on 10.5.11.13 X-loop: libvir-list@redhat.com Subject: [libvirt] [snmp PATCH 10/20] src: Fix includes in header files X-BeenThere: libvir-list@redhat.com X-Mailman-Version: 2.1.12 Precedence: junk List-Id: Development discussions about the libvirt library & tools List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable Sender: libvir-list-bounces@redhat.com Errors-To: libvir-list-bounces@redhat.com X-Scanned-By: MIMEDefang 2.84 on 10.5.11.22 X-Greylist: Sender IP whitelisted, not delayed by milter-greylist-4.5.16 (mx1.redhat.com [10.5.110.42]); Thu, 18 Oct 2018 12:30:39 +0000 (UTC) X-ZohoMail: RDMRC_0 RSF_0 Z_629925259 SPT_0 Content-Type: text/plain; charset="utf-8" A header file should include another header file if and only if an there exists a symbol that requires the inclusion. For instance, if a header file declares the following function: int function(virDomainPtr dom); then it is okay to have the header file include libvirt.h. Unfortunately, some of our header files have needless includes. Signed-off-by: Michal Privoznik Reviewed-by: Martin Kletzander --- src/libvirtNotifications.h | 2 +- src/libvirtSnmp.c | 2 ++ src/libvirtSnmp.h | 10 +++------- src/libvirtSnmpError.c | 7 ++++++- src/libvirtSnmpError.h | 3 --- 5 files changed, 12 insertions(+), 12 deletions(-) diff --git a/src/libvirtNotifications.h b/src/libvirtNotifications.h index ee7a2e3..6c532b0 100644 --- a/src/libvirtNotifications.h +++ b/src/libvirtNotifications.h @@ -23,7 +23,7 @@ #ifndef __LIBVIRT_NOTIFICATIONS_H__ # define __LIBVIRT_NOTIFICATIONS_H__ =20 -#include "libvirtSnmp.h" +# include =20 /* * function declarations diff --git a/src/libvirtSnmp.c b/src/libvirtSnmp.c index 4ad6fab..3b5c17f 100644 --- a/src/libvirtSnmp.c +++ b/src/libvirtSnmp.c @@ -26,6 +26,8 @@ #include #include #include +#include +#include =20 #include "libvirtSnmp.h" #include "libvirtGuestTable.h" /* include our MIB structures*/ diff --git a/src/libvirtSnmp.h b/src/libvirtSnmp.h index 2c5b0e5..24707bd 100644 --- a/src/libvirtSnmp.h +++ b/src/libvirtSnmp.h @@ -23,14 +23,10 @@ #ifndef __LIBVIRT_SNMP_H__ # define __LIBVIRT_SNMP_H__ =20 -/* standard libvirt includes */ -#include -#include - /* standard Net-SNMP includes */ -#include -#include -#include +# include +# include +# include =20 /* * Populate libvirtGuestTable into given container. diff --git a/src/libvirtSnmpError.c b/src/libvirtSnmpError.c index f5d546d..1678bcb 100644 --- a/src/libvirtSnmpError.c +++ b/src/libvirtSnmpError.c @@ -20,8 +20,13 @@ * Author: Michal Privoznik */ =20 -#include "libvirtSnmpError.h" +#include + #include +#include +#include + +#include "libvirtSnmpError.h" =20 /** * Print libvirt error diff --git a/src/libvirtSnmpError.h b/src/libvirtSnmpError.h index 6d59478..e28ad7c 100644 --- a/src/libvirtSnmpError.h +++ b/src/libvirtSnmpError.h @@ -23,9 +23,6 @@ #ifndef __LIBVIRT_SNMP_ERROR_H__ # define __LIBVIRT_SNMP_ERROR_H__ =20 -#include -#include - extern void printLibvirtError(const char *msg); =20 #endif /* __LIBVIRT_SNMP_ERROR_H__ */ --=20 2.18.1 -- libvir-list mailing list libvir-list@redhat.com https://www.redhat.com/mailman/listinfo/libvir-list From nobody Sat Dec 21 15:50:00 2024 Delivered-To: importer@patchew.org Received-SPF: pass (zoho.com: domain of redhat.com designates 209.132.183.28 as permitted sender) client-ip=209.132.183.28; envelope-from=libvir-list-bounces@redhat.com; helo=mx1.redhat.com; Authentication-Results: mx.zohomail.com; spf=pass (zoho.com: domain of redhat.com designates 209.132.183.28 as permitted sender) smtp.mailfrom=libvir-list-bounces@redhat.com; dmarc=pass(p=none dis=none) header.from=redhat.com Return-Path: Received: from mx1.redhat.com (mx1.redhat.com [209.132.183.28]) by mx.zohomail.com with SMTPS id 1539865666651606.7751991176102; Thu, 18 Oct 2018 05:27:46 -0700 (PDT) Received: from smtp.corp.redhat.com (int-mx05.intmail.prod.int.phx2.redhat.com [10.5.11.15]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mx1.redhat.com (Postfix) with ESMTPS id 432633003185; Thu, 18 Oct 2018 12:27:44 +0000 (UTC) Received: from colo-mx.corp.redhat.com (colo-mx01.intmail.prod.int.phx2.redhat.com [10.5.11.20]) by smtp.corp.redhat.com (Postfix) with ESMTPS id E842C6152A; Thu, 18 Oct 2018 12:27:43 +0000 (UTC) Received: from lists01.pubmisc.prod.ext.phx2.redhat.com (lists01.pubmisc.prod.ext.phx2.redhat.com [10.5.19.33]) by colo-mx.corp.redhat.com (Postfix) with ESMTP id 7C7EE180B5B7; Thu, 18 Oct 2018 12:27:43 +0000 (UTC) Received: from smtp.corp.redhat.com (int-mx03.intmail.prod.int.phx2.redhat.com [10.5.11.13]) by lists01.pubmisc.prod.ext.phx2.redhat.com (8.13.8/8.13.8) with ESMTP id w9ICRFME026082 for ; Thu, 18 Oct 2018 08:27:15 -0400 Received: by smtp.corp.redhat.com (Postfix) id E588860922; Thu, 18 Oct 2018 12:27:15 +0000 (UTC) Received: from moe.brq.redhat.com (unknown [10.43.2.192]) by smtp.corp.redhat.com (Postfix) with ESMTP id 6B1E1611BC for ; Thu, 18 Oct 2018 12:27:15 +0000 (UTC) From: Michal Privoznik To: libvir-list@redhat.com Date: Thu, 18 Oct 2018 14:26:49 +0200 Message-Id: <9c7b466ae7b3377c3037745653ad4525f6fdcb76.1539865556.git.mprivozn@redhat.com> In-Reply-To: References: X-Scanned-By: MIMEDefang 2.79 on 10.5.11.13 X-loop: libvir-list@redhat.com Subject: [libvirt] [snmp PATCH 11/20] libvirtRegisterEvents: Drop pthread_attr_init X-BeenThere: libvir-list@redhat.com X-Mailman-Version: 2.1.12 Precedence: junk List-Id: Development discussions about the libvirt library & tools List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable Sender: libvir-list-bounces@redhat.com Errors-To: libvir-list-bounces@redhat.com X-Scanned-By: MIMEDefang 2.79 on 10.5.11.15 X-Greylist: Sender IP whitelisted, not delayed by milter-greylist-4.5.16 (mx1.redhat.com [10.5.110.40]); Thu, 18 Oct 2018 12:27:45 +0000 (UTC) X-ZohoMail: RDMRC_0 RSF_0 Z_629925259 SPT_0 Content-Type: text/plain; charset="utf-8" The threads are JOINABLE by default. No need to go through pthread_attr_* circus to set what is default anyway. Signed-off-by: Michal Privoznik Reviewed-by: Martin Kletzander --- src/libvirtSnmp.c | 15 ++++++--------- 1 file changed, 6 insertions(+), 9 deletions(-) diff --git a/src/libvirtSnmp.c b/src/libvirtSnmp.c index 3b5c17f..88f2ec6 100644 --- a/src/libvirtSnmp.c +++ b/src/libvirtSnmp.c @@ -205,7 +205,7 @@ pollingThreadFunc(void *foo) int libvirtRegisterEvents(virConnectPtr conn) { struct sigaction action_stop; - pthread_attr_t thread_attr; + int ret =3D -1; =20 memset(&action_stop, 0, sizeof action_stop); =20 @@ -226,15 +226,12 @@ libvirtRegisterEvents(virConnectPtr conn) { return -1; =20 /* we need a thread to poll for events */ - pthread_attr_init(&thread_attr); - pthread_attr_setdetachstate(&thread_attr, PTHREAD_CREATE_JOINABLE); + if (pthread_create(&poll_thread, NULL, pollingThreadFunc, NULL)) + goto cleanup; =20 - if (pthread_create(&poll_thread, &thread_attr, pollingThreadFunc, NULL= )) - return -1; - - pthread_attr_destroy(&thread_attr); - - return 0; + ret =3D 0; + cleanup: + return ret; } =20 /* Unregister domain events collection */ --=20 2.18.1 -- libvir-list mailing list libvir-list@redhat.com https://www.redhat.com/mailman/listinfo/libvir-list From nobody Sat Dec 21 15:50:00 2024 Delivered-To: importer@patchew.org Received-SPF: pass (zoho.com: domain of redhat.com designates 209.132.183.28 as permitted sender) client-ip=209.132.183.28; envelope-from=libvir-list-bounces@redhat.com; helo=mx1.redhat.com; Authentication-Results: mx.zohomail.com; spf=pass (zoho.com: domain of redhat.com designates 209.132.183.28 as permitted sender) smtp.mailfrom=libvir-list-bounces@redhat.com; dmarc=pass(p=none dis=none) header.from=redhat.com Return-Path: Received: from mx1.redhat.com (mx1.redhat.com [209.132.183.28]) by mx.zohomail.com with SMTPS id 1539865673353438.60300757565074; Thu, 18 Oct 2018 05:27:53 -0700 (PDT) Received: from smtp.corp.redhat.com (int-mx06.intmail.prod.int.phx2.redhat.com [10.5.11.16]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mx1.redhat.com (Postfix) with ESMTPS id B38E1CA38E; Thu, 18 Oct 2018 12:27:51 +0000 (UTC) Received: from colo-mx.corp.redhat.com (colo-mx02.intmail.prod.int.phx2.redhat.com [10.5.11.21]) by smtp.corp.redhat.com (Postfix) with ESMTPS id 807B771D66; Thu, 18 Oct 2018 12:27:51 +0000 (UTC) Received: from lists01.pubmisc.prod.ext.phx2.redhat.com (lists01.pubmisc.prod.ext.phx2.redhat.com [10.5.19.33]) by colo-mx.corp.redhat.com (Postfix) with ESMTP id 107CF3D63; Thu, 18 Oct 2018 12:27:51 +0000 (UTC) Received: from smtp.corp.redhat.com (int-mx03.intmail.prod.int.phx2.redhat.com [10.5.11.13]) by lists01.pubmisc.prod.ext.phx2.redhat.com (8.13.8/8.13.8) with ESMTP id w9ICRG6N026118 for ; Thu, 18 Oct 2018 08:27:16 -0400 Received: by smtp.corp.redhat.com (Postfix) id BE1C05F7E7; Thu, 18 Oct 2018 12:27:16 +0000 (UTC) Received: from moe.brq.redhat.com (unknown [10.43.2.192]) by smtp.corp.redhat.com (Postfix) with ESMTP id 4043760BF8 for ; Thu, 18 Oct 2018 12:27:16 +0000 (UTC) From: Michal Privoznik To: libvir-list@redhat.com Date: Thu, 18 Oct 2018 14:26:50 +0200 Message-Id: <1356ddaaf8942f38a82baf52fb36fc09143b4894.1539865556.git.mprivozn@redhat.com> In-Reply-To: References: X-Scanned-By: MIMEDefang 2.79 on 10.5.11.13 X-loop: libvir-list@redhat.com Subject: [libvirt] [snmp PATCH 12/20] libvirtSnmp: turn showError() into printf-like function X-BeenThere: libvir-list@redhat.com X-Mailman-Version: 2.1.12 Precedence: junk List-Id: Development discussions about the libvirt library & tools List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable Sender: libvir-list-bounces@redhat.com Errors-To: libvir-list-bounces@redhat.com X-Scanned-By: MIMEDefang 2.79 on 10.5.11.16 X-Greylist: Sender IP whitelisted, not delayed by milter-greylist-4.5.16 (mx1.redhat.com [10.5.110.38]); Thu, 18 Oct 2018 12:27:52 +0000 (UTC) X-ZohoMail: RDMRC_0 RSF_0 Z_629925259 SPT_0 Content-Type: text/plain; charset="utf-8" Currently, the following pattern is used with showError: printf("Some error message\n"); showError(conn); Not only showError does not need connection pointer, those two lines can be merged into a single one: showError("Some error message"); Signed-off-by: Michal Privoznik Reviewed-by: Martin Kletzander --- src/libvirtSnmp.c | 79 ++++++++++++++++++++++++++++++++--------------- 1 file changed, 54 insertions(+), 25 deletions(-) diff --git a/src/libvirtSnmp.c b/src/libvirtSnmp.c index 88f2ec6..7aa83a1 100644 --- a/src/libvirtSnmp.c +++ b/src/libvirtSnmp.c @@ -43,6 +43,17 @@ #define ATTRIBUTE_UNUSED __attribute__((__unused__)) #endif =20 +# ifndef ATTRIBUTE_FMT_PRINTF +# ifndef __clang__ +# define ATTRIBUTE_FMT_PRINTF(fmtpos, argpos) \ + __attribute__((__format__ (__gnu_printf__, fmtpos, argpos))) +# else +# define ATTRIBUTE_FMT_PRINTF(fmtpos, argpos) \ + __attribute__((__format__ (__printf__, fmtpos, argpos))) +# endif +# endif + + int verbose =3D 0; virConnectPtr conn; int callbackRet =3D -1; @@ -76,11 +87,31 @@ stop(int sig) } =20 static void -showError(virConnectPtr conn) +ATTRIBUTE_FMT_PRINTF(1,2) +showError(const char *fmt, ...) { - const char *err =3D virGetLastErrorMessage(); + const char *libvirtErr =3D virGetLastErrorMessage(); + char ebuf[1024]; + int rc; + int size =3D 0; + va_list ap; =20 - snmp_log(LOG_ERR, "libvirt reported: \"%s\"\n", err); + va_start(ap, fmt); + rc =3D vsnprintf(ebuf, sizeof(ebuf), fmt, ap); + size +=3D rc; + va_end(ap); + + if (rc < 0 || size >=3D sizeof(ebuf)) + return; + + rc =3D snprintf(ebuf + size, sizeof(ebuf) - size, ": %s\n", libvirtErr= ); + size +=3D rc; + + if (rc < 0 || size >=3D sizeof(ebuf)) + return; + + fputs(ebuf, stderr); + snmp_log(LOG_ERR, "%s", ebuf); =20 virResetLastError(); } @@ -95,8 +126,7 @@ insertGuest(netsnmp_container *container, virDomainPtr d= omain) unsigned char uuid[VIR_UUID_BUFLEN]; =20 if (virDomainGetInfo(domain, &info) < 0) { - printf("Failed to get domain info\n"); - showError(conn); + showError("Failed to get domain info"); goto error; } =20 @@ -108,8 +138,7 @@ insertGuest(netsnmp_container *container, virDomainPtr = domain) =20 /* set the index of the row */ if (virDomainGetUUID(domain, uuid) < 0) { - printf("Failed to get domain UUID\n"); - showError(conn); + showError("Failed to get domain UUID"); goto error; } =20 @@ -122,8 +151,7 @@ insertGuest(netsnmp_container *container, virDomainPtr = domain) =20 /* set the data */ if (!(name =3D virDomainGetName(domain))) { - printf("Failed to get domain name\n"); - showError(conn); + showError("Failed to get domain name"); goto error; } =20 @@ -167,8 +195,7 @@ libvirtSnmpLoadGuests(netsnmp_container *container) virDomainPtr *domains =3D NULL; =20 if ((ndomains =3D virConnectListAllDomains(conn, &domains, 0)) < 0) { - printf("Failed to list all domains\n"); - showError(conn); + showError("Failed to list all domains"); goto cleanup; } =20 @@ -194,7 +221,7 @@ pollingThreadFunc(void *foo) { while (run) { if (virEventRunDefaultImpl() < 0) { - showError(conn); + showError("Failed to run event loop"); pthread_exit(NULL); } } @@ -222,8 +249,10 @@ libvirtRegisterEvents(virConnectPtr conn) { (domainEventCallback), NULL, myFreeFunc); =20 - if (callbackRet =3D=3D -1) - return -1; + if (callbackRet =3D=3D -1) { + showError("Failed to register libvirt event handler"); + goto cleanup; + } =20 /* we need a thread to poll for events */ if (pthread_create(&poll_thread, NULL, pollingThreadFunc, NULL)) @@ -258,8 +287,7 @@ int libvirtSnmpInit(void) /* TODO: configure the URI */ /* Use libvirt env variable LIBVIRT_DEFAULT_URI by default*/ if (!(conn =3D virConnectOpenAuth(NULL, virConnectAuthPtrDefault, 0)))= { - printf("No connection to hypervisor\n"); - showError(conn); + showError("No connection to hypervisor"); return -1; } =20 @@ -298,9 +326,8 @@ void libvirtSnmpShutdown(void) } =20 if ((rc =3D virConnectClose(conn))) { - printf("Failed to disconnect from hypervisor. " - "Leaked references: %d\n", rc); - showError(conn); + showError("Failed to disconnect from hypervisor. " + "Leaked references: %d\n", rc); } } =20 @@ -339,7 +366,7 @@ libvirtSnmpCreate(unsigned char *uuid, int state) } =20 if (virDomainCreateWithFlags(dom, flags) < 0) { - showError(conn); + showError("Failed to create domain: %s", virDomainGetName(dom)); goto cleanup; } =20 @@ -353,6 +380,7 @@ int libvirtSnmpDestroy(unsigned char *uuid) { virDomainPtr dom; + int ret =3D -1; =20 if (!(dom =3D virDomainLookupByUUID(conn, uuid))) { printf("Cannot find domain to destroy\n"); @@ -360,10 +388,12 @@ libvirtSnmpDestroy(unsigned char *uuid) } =20 if (virDomainDestroy(dom) < 0) { - showError(conn); - return -1; + showError("Failed to destroy domain %s", virDomainGetName(dom)); + goto cleanup; } =20 + ret =3D 0; + cleanup: virDomainFree(dom); return 0; } @@ -374,8 +404,7 @@ libvirtSnmpChangeState(unsigned char *uuid, int newstat= e, int oldstate) virDomainPtr dom; int ret =3D -1; =20 - dom =3D virDomainLookupByUUID(conn, uuid); - if (dom =3D=3D NULL) { + if (!(dom =3D virDomainLookupByUUID(conn, uuid))) { printf("Cannot find domain to change\n"); return 1; } @@ -392,7 +421,7 @@ libvirtSnmpChangeState(unsigned char *uuid, int newstat= e, int oldstate) } =20 if (ret < 0) - showError(conn); + showError("Failed to change state of %s", virDomainGetName(dom)); out: virDomainFree(dom); return ret; --=20 2.18.1 -- libvir-list mailing list libvir-list@redhat.com https://www.redhat.com/mailman/listinfo/libvir-list From nobody Sat Dec 21 15:50:00 2024 Delivered-To: importer@patchew.org Received-SPF: pass (zoho.com: domain of redhat.com designates 209.132.183.28 as permitted sender) client-ip=209.132.183.28; envelope-from=libvir-list-bounces@redhat.com; helo=mx1.redhat.com; Authentication-Results: mx.zohomail.com; spf=pass (zoho.com: domain of redhat.com designates 209.132.183.28 as permitted sender) smtp.mailfrom=libvir-list-bounces@redhat.com; dmarc=pass(p=none dis=none) header.from=redhat.com Return-Path: Received: from mx1.redhat.com (mx1.redhat.com [209.132.183.28]) by mx.zohomail.com with SMTPS id 1539865685587123.2715637326279; Thu, 18 Oct 2018 05:28:05 -0700 (PDT) Received: from smtp.corp.redhat.com (int-mx06.intmail.prod.int.phx2.redhat.com [10.5.11.16]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mx1.redhat.com (Postfix) with ESMTPS id 96DA23082A41; Thu, 18 Oct 2018 12:28:03 +0000 (UTC) Received: from colo-mx.corp.redhat.com (colo-mx02.intmail.prod.int.phx2.redhat.com [10.5.11.21]) by smtp.corp.redhat.com (Postfix) with ESMTPS id 4E66571D5A; Thu, 18 Oct 2018 12:28:03 +0000 (UTC) Received: from lists01.pubmisc.prod.ext.phx2.redhat.com (lists01.pubmisc.prod.ext.phx2.redhat.com [10.5.19.33]) by colo-mx.corp.redhat.com (Postfix) with ESMTP id C59353D65; Thu, 18 Oct 2018 12:28:02 +0000 (UTC) Received: from smtp.corp.redhat.com (int-mx03.intmail.prod.int.phx2.redhat.com [10.5.11.13]) by lists01.pubmisc.prod.ext.phx2.redhat.com (8.13.8/8.13.8) with ESMTP id w9ICRHab026150 for ; Thu, 18 Oct 2018 08:27:17 -0400 Received: by smtp.corp.redhat.com (Postfix) id 93AD6611BC; Thu, 18 Oct 2018 12:27:17 +0000 (UTC) Received: from moe.brq.redhat.com (unknown [10.43.2.192]) by smtp.corp.redhat.com (Postfix) with ESMTP id 17D4D60BF8 for ; Thu, 18 Oct 2018 12:27:16 +0000 (UTC) From: Michal Privoznik To: libvir-list@redhat.com Date: Thu, 18 Oct 2018 14:26:51 +0200 Message-Id: In-Reply-To: References: X-Scanned-By: MIMEDefang 2.79 on 10.5.11.13 X-loop: libvir-list@redhat.com Subject: [libvirt] [snmp PATCH 13/20] libvirtSnmpError: Drop 'extern' for printLibvirtError() X-BeenThere: libvir-list@redhat.com X-Mailman-Version: 2.1.12 Precedence: junk List-Id: Development discussions about the libvirt library & tools List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable Sender: libvir-list-bounces@redhat.com Errors-To: libvir-list-bounces@redhat.com X-Scanned-By: MIMEDefang 2.79 on 10.5.11.16 X-Greylist: Sender IP whitelisted, not delayed by milter-greylist-4.5.16 (mx1.redhat.com [10.5.110.45]); Thu, 18 Oct 2018 12:28:04 +0000 (UTC) X-ZohoMail: RDMRC_0 RSF_0 Z_629925259 SPT_0 Content-Type: text/plain; charset="utf-8" This function is not extern. Drop the keyword. Signed-off-by: Michal Privoznik Reviewed-by: Martin Kletzander --- src/libvirtSnmpError.h | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/src/libvirtSnmpError.h b/src/libvirtSnmpError.h index e28ad7c..8dae0cb 100644 --- a/src/libvirtSnmpError.h +++ b/src/libvirtSnmpError.h @@ -23,6 +23,6 @@ #ifndef __LIBVIRT_SNMP_ERROR_H__ # define __LIBVIRT_SNMP_ERROR_H__ =20 -extern void printLibvirtError(const char *msg); +void printLibvirtError(const char *msg); =20 #endif /* __LIBVIRT_SNMP_ERROR_H__ */ --=20 2.18.1 -- libvir-list mailing list libvir-list@redhat.com https://www.redhat.com/mailman/listinfo/libvir-list From nobody Sat Dec 21 15:50:00 2024 Delivered-To: importer@patchew.org Received-SPF: pass (zoho.com: domain of redhat.com designates 209.132.183.28 as permitted sender) client-ip=209.132.183.28; envelope-from=libvir-list-bounces@redhat.com; helo=mx1.redhat.com; Authentication-Results: mx.zohomail.com; spf=pass (zoho.com: domain of redhat.com designates 209.132.183.28 as permitted sender) smtp.mailfrom=libvir-list-bounces@redhat.com; dmarc=pass(p=none dis=none) header.from=redhat.com Return-Path: Received: from mx1.redhat.com (mx1.redhat.com [209.132.183.28]) by mx.zohomail.com with SMTPS id 1539865853923901.2543966514224; Thu, 18 Oct 2018 05:30:53 -0700 (PDT) Received: from smtp.corp.redhat.com (int-mx01.intmail.prod.int.phx2.redhat.com [10.5.11.11]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mx1.redhat.com (Postfix) with ESMTPS id CCD5A3167E45; Thu, 18 Oct 2018 12:30:51 +0000 (UTC) Received: from colo-mx.corp.redhat.com (colo-mx02.intmail.prod.int.phx2.redhat.com [10.5.11.21]) by smtp.corp.redhat.com (Postfix) with ESMTPS id 85BEF78995; Thu, 18 Oct 2018 12:30:51 +0000 (UTC) Received: from lists01.pubmisc.prod.ext.phx2.redhat.com (lists01.pubmisc.prod.ext.phx2.redhat.com [10.5.19.33]) by colo-mx.corp.redhat.com (Postfix) with ESMTP id 31F4C4BB79; Thu, 18 Oct 2018 12:30:51 +0000 (UTC) Received: from smtp.corp.redhat.com (int-mx03.intmail.prod.int.phx2.redhat.com [10.5.11.13]) by lists01.pubmisc.prod.ext.phx2.redhat.com (8.13.8/8.13.8) with ESMTP id w9ICRIud026289 for ; Thu, 18 Oct 2018 08:27:18 -0400 Received: by smtp.corp.redhat.com (Postfix) id 68591611BC; Thu, 18 Oct 2018 12:27:18 +0000 (UTC) Received: from moe.brq.redhat.com (unknown [10.43.2.192]) by smtp.corp.redhat.com (Postfix) with ESMTP id E038860BF8 for ; Thu, 18 Oct 2018 12:27:17 +0000 (UTC) From: Michal Privoznik To: libvir-list@redhat.com Date: Thu, 18 Oct 2018 14:26:52 +0200 Message-Id: In-Reply-To: References: X-Scanned-By: MIMEDefang 2.79 on 10.5.11.13 X-loop: libvir-list@redhat.com Subject: [libvirt] [snmp PATCH 14/20] libvirtSnmp: Drop 'extern' from function headers X-BeenThere: libvir-list@redhat.com X-Mailman-Version: 2.1.12 Precedence: junk List-Id: Development discussions about the libvirt library & tools List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable Sender: libvir-list-bounces@redhat.com Errors-To: libvir-list-bounces@redhat.com X-Scanned-By: MIMEDefang 2.79 on 10.5.11.11 X-Greylist: Sender IP whitelisted, not delayed by milter-greylist-4.5.16 (mx1.redhat.com [10.5.110.41]); Thu, 18 Oct 2018 12:30:52 +0000 (UTC) X-ZohoMail: RDMRC_0 RSF_0 Z_629925259 SPT_0 Content-Type: text/plain; charset="utf-8" These functions are not extern. Drop the keyword. Signed-off-by: Michal Privoznik Reviewed-by: Martin Kletzander --- src/libvirtSnmp.h | 14 +++++++------- 1 file changed, 7 insertions(+), 7 deletions(-) diff --git a/src/libvirtSnmp.h b/src/libvirtSnmp.h index 24707bd..f109bb4 100644 --- a/src/libvirtSnmp.h +++ b/src/libvirtSnmp.h @@ -31,29 +31,29 @@ /* * Populate libvirtGuestTable into given container. */ -extern int +int libvirtSnmpLoadGuests(netsnmp_container *container); =20 -extern int +int libvirtSnmpInit(void); =20 -extern void +void libvirtSnmpShutdown(void); =20 /** * Check that domain with given UUID exists. * Return 0 if so, -1 if not. */ -extern int +int libvirtSnmpCheckDomainExists(unsigned char *uuid); =20 -extern int +int libvirtSnmpCreate(unsigned char *uuid, int state); =20 -extern int +int libvirtSnmpDestroy(unsigned char *uuid); =20 -extern int +int libvirtSnmpChangeState(unsigned char *uuid, int newstate, int oldstate); =20 #endif /* __LIBVIRT_SNMP_H__ */ --=20 2.18.1 -- libvir-list mailing list libvir-list@redhat.com https://www.redhat.com/mailman/listinfo/libvir-list From nobody Sat Dec 21 15:50:00 2024 Delivered-To: importer@patchew.org Received-SPF: pass (zoho.com: domain of redhat.com designates 209.132.183.28 as permitted sender) client-ip=209.132.183.28; envelope-from=libvir-list-bounces@redhat.com; helo=mx1.redhat.com; Authentication-Results: mx.zohomail.com; spf=pass (zoho.com: domain of redhat.com designates 209.132.183.28 as permitted sender) smtp.mailfrom=libvir-list-bounces@redhat.com; dmarc=pass(p=none dis=none) header.from=redhat.com Return-Path: Received: from mx1.redhat.com (mx1.redhat.com [209.132.183.28]) by mx.zohomail.com with SMTPS id 1539865866005588.8036974118551; Thu, 18 Oct 2018 05:31:06 -0700 (PDT) Received: from smtp.corp.redhat.com (int-mx06.intmail.prod.int.phx2.redhat.com [10.5.11.16]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mx1.redhat.com (Postfix) with ESMTPS id EEAC8C059B85; Thu, 18 Oct 2018 12:31:03 +0000 (UTC) Received: from colo-mx.corp.redhat.com (colo-mx01.intmail.prod.int.phx2.redhat.com [10.5.11.20]) by smtp.corp.redhat.com (Postfix) with ESMTPS id AF4E971D66; Thu, 18 Oct 2018 12:31:03 +0000 (UTC) Received: from lists01.pubmisc.prod.ext.phx2.redhat.com (lists01.pubmisc.prod.ext.phx2.redhat.com [10.5.19.33]) by colo-mx.corp.redhat.com (Postfix) with ESMTP id 486B018005B3; Thu, 18 Oct 2018 12:31:03 +0000 (UTC) Received: from smtp.corp.redhat.com (int-mx03.intmail.prod.int.phx2.redhat.com [10.5.11.13]) by lists01.pubmisc.prod.ext.phx2.redhat.com (8.13.8/8.13.8) with ESMTP id w9ICRJed026307 for ; Thu, 18 Oct 2018 08:27:19 -0400 Received: by smtp.corp.redhat.com (Postfix) id 4017760922; Thu, 18 Oct 2018 12:27:19 +0000 (UTC) Received: from moe.brq.redhat.com (unknown [10.43.2.192]) by smtp.corp.redhat.com (Postfix) with ESMTP id B6D84611BC for ; Thu, 18 Oct 2018 12:27:18 +0000 (UTC) From: Michal Privoznik To: libvir-list@redhat.com Date: Thu, 18 Oct 2018 14:26:53 +0200 Message-Id: In-Reply-To: References: X-Scanned-By: MIMEDefang 2.79 on 10.5.11.13 X-loop: libvir-list@redhat.com Subject: [libvirt] [snmp PATCH 15/20] libvirtSnmp: s/showError/printLibvirtError/ X-BeenThere: libvir-list@redhat.com X-Mailman-Version: 2.1.12 Precedence: junk List-Id: Development discussions about the libvirt library & tools List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable Sender: libvir-list-bounces@redhat.com Errors-To: libvir-list-bounces@redhat.com X-Scanned-By: MIMEDefang 2.79 on 10.5.11.16 X-Greylist: Sender IP whitelisted, not delayed by milter-greylist-4.5.16 (mx1.redhat.com [10.5.110.32]); Thu, 18 Oct 2018 12:31:04 +0000 (UTC) X-ZohoMail: RDMRC_0 RSF_0 Z_629925259 SPT_0 Content-Type: text/plain; charset="utf-8" We have two function that do merely the same. Merge them into one. Signed-off-by: Michal Privoznik Reviewed-by: Martin Kletzander --- src/libvirtSnmp.c | 65 ++++++++---------------------------------- src/libvirtSnmpError.c | 38 ++++++++++++++++++++---- src/libvirtSnmpError.h | 13 ++++++++- 3 files changed, 57 insertions(+), 59 deletions(-) diff --git a/src/libvirtSnmp.c b/src/libvirtSnmp.c index 7aa83a1..97bb927 100644 --- a/src/libvirtSnmp.c +++ b/src/libvirtSnmp.c @@ -30,6 +30,7 @@ #include =20 #include "libvirtSnmp.h" +#include "libvirtSnmpError.h" #include "libvirtGuestTable.h" /* include our MIB structures*/ #include "libvirtNotifications.h" =20 @@ -43,17 +44,6 @@ #define ATTRIBUTE_UNUSED __attribute__((__unused__)) #endif =20 -# ifndef ATTRIBUTE_FMT_PRINTF -# ifndef __clang__ -# define ATTRIBUTE_FMT_PRINTF(fmtpos, argpos) \ - __attribute__((__format__ (__gnu_printf__, fmtpos, argpos))) -# else -# define ATTRIBUTE_FMT_PRINTF(fmtpos, argpos) \ - __attribute__((__format__ (__printf__, fmtpos, argpos))) -# endif -# endif - - int verbose =3D 0; virConnectPtr conn; int callbackRet =3D -1; @@ -86,37 +76,6 @@ stop(int sig) run =3D 0; } =20 -static void -ATTRIBUTE_FMT_PRINTF(1,2) -showError(const char *fmt, ...) -{ - const char *libvirtErr =3D virGetLastErrorMessage(); - char ebuf[1024]; - int rc; - int size =3D 0; - va_list ap; - - va_start(ap, fmt); - rc =3D vsnprintf(ebuf, sizeof(ebuf), fmt, ap); - size +=3D rc; - va_end(ap); - - if (rc < 0 || size >=3D sizeof(ebuf)) - return; - - rc =3D snprintf(ebuf + size, sizeof(ebuf) - size, ": %s\n", libvirtErr= ); - size +=3D rc; - - if (rc < 0 || size >=3D sizeof(ebuf)) - return; - - fputs(ebuf, stderr); - snmp_log(LOG_ERR, "%s", ebuf); - - virResetLastError(); -} - - static int insertGuest(netsnmp_container *container, virDomainPtr domain) { @@ -126,7 +85,7 @@ insertGuest(netsnmp_container *container, virDomainPtr d= omain) unsigned char uuid[VIR_UUID_BUFLEN]; =20 if (virDomainGetInfo(domain, &info) < 0) { - showError("Failed to get domain info"); + printLibvirtError("Failed to get domain info"); goto error; } =20 @@ -138,7 +97,7 @@ insertGuest(netsnmp_container *container, virDomainPtr d= omain) =20 /* set the index of the row */ if (virDomainGetUUID(domain, uuid) < 0) { - showError("Failed to get domain UUID"); + printLibvirtError("Failed to get domain UUID"); goto error; } =20 @@ -151,7 +110,7 @@ insertGuest(netsnmp_container *container, virDomainPtr = domain) =20 /* set the data */ if (!(name =3D virDomainGetName(domain))) { - showError("Failed to get domain name"); + printLibvirtError("Failed to get domain name"); goto error; } =20 @@ -195,7 +154,7 @@ libvirtSnmpLoadGuests(netsnmp_container *container) virDomainPtr *domains =3D NULL; =20 if ((ndomains =3D virConnectListAllDomains(conn, &domains, 0)) < 0) { - showError("Failed to list all domains"); + printLibvirtError("Failed to list all domains"); goto cleanup; } =20 @@ -221,7 +180,7 @@ pollingThreadFunc(void *foo) { while (run) { if (virEventRunDefaultImpl() < 0) { - showError("Failed to run event loop"); + printLibvirtError("Failed to run event loop"); pthread_exit(NULL); } } @@ -250,7 +209,7 @@ libvirtRegisterEvents(virConnectPtr conn) { NULL, myFreeFunc); =20 if (callbackRet =3D=3D -1) { - showError("Failed to register libvirt event handler"); + printLibvirtError("Failed to register libvirt event handler"); goto cleanup; } =20 @@ -287,7 +246,7 @@ int libvirtSnmpInit(void) /* TODO: configure the URI */ /* Use libvirt env variable LIBVIRT_DEFAULT_URI by default*/ if (!(conn =3D virConnectOpenAuth(NULL, virConnectAuthPtrDefault, 0)))= { - showError("No connection to hypervisor"); + printLibvirtError("No connection to hypervisor"); return -1; } =20 @@ -326,7 +285,7 @@ void libvirtSnmpShutdown(void) } =20 if ((rc =3D virConnectClose(conn))) { - showError("Failed to disconnect from hypervisor. " + printLibvirtError("Failed to disconnect from hypervisor. " "Leaked references: %d\n", rc); } } @@ -366,7 +325,7 @@ libvirtSnmpCreate(unsigned char *uuid, int state) } =20 if (virDomainCreateWithFlags(dom, flags) < 0) { - showError("Failed to create domain: %s", virDomainGetName(dom)); + printLibvirtError("Failed to create domain: %s", virDomainGetName(= dom)); goto cleanup; } =20 @@ -388,7 +347,7 @@ libvirtSnmpDestroy(unsigned char *uuid) } =20 if (virDomainDestroy(dom) < 0) { - showError("Failed to destroy domain %s", virDomainGetName(dom)); + printLibvirtError("Failed to destroy domain %s", virDomainGetName(= dom)); goto cleanup; } =20 @@ -421,7 +380,7 @@ libvirtSnmpChangeState(unsigned char *uuid, int newstat= e, int oldstate) } =20 if (ret < 0) - showError("Failed to change state of %s", virDomainGetName(dom)); + printLibvirtError("Failed to change state of %s", virDomainGetName= (dom)); out: virDomainFree(dom); return ret; diff --git a/src/libvirtSnmpError.c b/src/libvirtSnmpError.c index 1678bcb..c356aae 100644 --- a/src/libvirtSnmpError.c +++ b/src/libvirtSnmpError.c @@ -25,15 +25,43 @@ #include #include #include +#include +#include +#include =20 #include "libvirtSnmpError.h" =20 /** - * Print libvirt error - * @msg Error message + * printLibvirtError: + * @fmt: Error message format string + * + * Print and reset Libvirt error. */ -void printLibvirtError(const char *msg) { - virErrorPtr err =3D virGetLastError(); +void +printLibvirtError(const char *fmt, ...) +{ + const char *libvirtErr =3D virGetLastErrorMessage(); + char ebuf[1024]; + int rc; + int size =3D 0; + va_list ap; =20 - fprintf(stderr, "%s: %s", msg, err ? err->message : "Unknown error"); + va_start(ap, fmt); + rc =3D vsnprintf(ebuf, sizeof(ebuf), fmt, ap); + size +=3D rc; + va_end(ap); + + if (rc < 0 || size >=3D sizeof(ebuf)) + return; + + rc =3D snprintf(ebuf + size, sizeof(ebuf) - size, ": %s\n", libvirtErr= ); + size +=3D rc; + + if (rc < 0 || size >=3D sizeof(ebuf)) + return; + + fputs(ebuf, stderr); + snmp_log(LOG_ERR, "%s", ebuf); + + virResetLastError(); } diff --git a/src/libvirtSnmpError.h b/src/libvirtSnmpError.h index 8dae0cb..46c98f0 100644 --- a/src/libvirtSnmpError.h +++ b/src/libvirtSnmpError.h @@ -23,6 +23,17 @@ #ifndef __LIBVIRT_SNMP_ERROR_H__ # define __LIBVIRT_SNMP_ERROR_H__ =20 -void printLibvirtError(const char *msg); +# ifndef ATTRIBUTE_FMT_PRINTF +# ifndef __clang__ +# define ATTRIBUTE_FMT_PRINTF(fmtpos, argpos) \ + __attribute__((__format__ (__gnu_printf__, fmtpos, argpos))) +# else +# define ATTRIBUTE_FMT_PRINTF(fmtpos, argpos) \ + __attribute__((__format__ (__printf__, fmtpos, argpos))) +# endif +# endif + +void printLibvirtError(const char *fmt, ...) + ATTRIBUTE_FMT_PRINTF(1, 2); =20 #endif /* __LIBVIRT_SNMP_ERROR_H__ */ --=20 2.18.1 -- libvir-list mailing list libvir-list@redhat.com https://www.redhat.com/mailman/listinfo/libvir-list From nobody Sat Dec 21 15:50:00 2024 Delivered-To: importer@patchew.org Received-SPF: pass (zoho.com: domain of redhat.com designates 209.132.183.28 as permitted sender) client-ip=209.132.183.28; envelope-from=libvir-list-bounces@redhat.com; helo=mx1.redhat.com; Authentication-Results: mx.zohomail.com; spf=pass (zoho.com: domain of redhat.com designates 209.132.183.28 as permitted sender) smtp.mailfrom=libvir-list-bounces@redhat.com; dmarc=pass(p=none dis=none) header.from=redhat.com Return-Path: Received: from mx1.redhat.com (mx1.redhat.com [209.132.183.28]) by mx.zohomail.com with SMTPS id 1539865679255965.3611504092062; Thu, 18 Oct 2018 05:27:59 -0700 (PDT) Received: from smtp.corp.redhat.com (int-mx06.intmail.prod.int.phx2.redhat.com [10.5.11.16]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mx1.redhat.com (Postfix) with ESMTPS id 981F71E308; Thu, 18 Oct 2018 12:27:56 +0000 (UTC) Received: from colo-mx.corp.redhat.com (colo-mx01.intmail.prod.int.phx2.redhat.com [10.5.11.20]) by smtp.corp.redhat.com (Postfix) with ESMTPS id 6067171D65; Thu, 18 Oct 2018 12:27:56 +0000 (UTC) Received: from lists01.pubmisc.prod.ext.phx2.redhat.com (lists01.pubmisc.prod.ext.phx2.redhat.com [10.5.19.33]) by colo-mx.corp.redhat.com (Postfix) with ESMTP id 03ADC180BAD3; Thu, 18 Oct 2018 12:27:56 +0000 (UTC) Received: from smtp.corp.redhat.com (int-mx03.intmail.prod.int.phx2.redhat.com [10.5.11.13]) by lists01.pubmisc.prod.ext.phx2.redhat.com (8.13.8/8.13.8) with ESMTP id w9ICRKHh026326 for ; Thu, 18 Oct 2018 08:27:20 -0400 Received: by smtp.corp.redhat.com (Postfix) id 183395F7E7; Thu, 18 Oct 2018 12:27:20 +0000 (UTC) Received: from moe.brq.redhat.com (unknown [10.43.2.192]) by smtp.corp.redhat.com (Postfix) with ESMTP id 8D42060922 for ; Thu, 18 Oct 2018 12:27:19 +0000 (UTC) From: Michal Privoznik To: libvir-list@redhat.com Date: Thu, 18 Oct 2018 14:26:54 +0200 Message-Id: <0fca1b4b278f2c51dc0db35059fbe3c0856873e5.1539865556.git.mprivozn@redhat.com> In-Reply-To: References: X-Scanned-By: MIMEDefang 2.79 on 10.5.11.13 X-loop: libvir-list@redhat.com Subject: [libvirt] [snmp PATCH 16/20] libvirtSnmpError: Introduce and use printSystemError X-BeenThere: libvir-list@redhat.com X-Mailman-Version: 2.1.12 Precedence: junk List-Id: Development discussions about the libvirt library & tools List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable Sender: libvir-list-bounces@redhat.com Errors-To: libvir-list-bounces@redhat.com X-Scanned-By: MIMEDefang 2.79 on 10.5.11.16 X-Greylist: Sender IP whitelisted, not delayed by milter-greylist-4.5.16 (mx1.redhat.com [10.5.110.30]); Thu, 18 Oct 2018 12:27:57 +0000 (UTC) X-ZohoMail: RDMRC_0 RSF_0 Z_629925259 SPT_0 Content-Type: text/plain; charset="utf-8" This function formats passed string and prints stringified system error. Signed-off-by: Michal Privoznik Reviewed-by: Martin Kletzander --- src/libvirtSnmp.c | 8 ++++++-- src/libvirtSnmpError.c | 38 ++++++++++++++++++++++++++++++++++++++ src/libvirtSnmpError.h | 3 +++ 3 files changed, 47 insertions(+), 2 deletions(-) diff --git a/src/libvirtSnmp.c b/src/libvirtSnmp.c index 97bb927..3a93bc6 100644 --- a/src/libvirtSnmp.c +++ b/src/libvirtSnmp.c @@ -189,8 +189,10 @@ pollingThreadFunc(void *foo) =20 /* Function to register domain lifecycle events collection */ int -libvirtRegisterEvents(virConnectPtr conn) { +libvirtRegisterEvents(virConnectPtr conn) +{ struct sigaction action_stop; + int rc; int ret =3D -1; =20 memset(&action_stop, 0, sizeof action_stop); @@ -214,8 +216,10 @@ libvirtRegisterEvents(virConnectPtr conn) { } =20 /* we need a thread to poll for events */ - if (pthread_create(&poll_thread, NULL, pollingThreadFunc, NULL)) + if ((rc =3D pthread_create(&poll_thread, NULL, pollingThreadFunc, NULL= ))) { + printSystemError(rc, "Unable to create polling thread"); goto cleanup; + } =20 ret =3D 0; cleanup: diff --git a/src/libvirtSnmpError.c b/src/libvirtSnmpError.c index c356aae..33a65c2 100644 --- a/src/libvirtSnmpError.c +++ b/src/libvirtSnmpError.c @@ -65,3 +65,41 @@ printLibvirtError(const char *fmt, ...) =20 virResetLastError(); } + + +/** + * printSystemError: + * @theerrno: the errno value + * @fmt: Error message format string + * + * Print system error with @theerrno translated into human readable form. + */ +void +printSystemError(int theerrno, const char *fmt, ...) +{ + char ebuf[1024]; + char sysebuf[1024]; + int rc; + int size =3D 0; + va_list ap; + + if (!strerror_r(theerrno, sysebuf, sizeof(sysebuf))) + return; + + va_start(ap, fmt); + rc =3D vsnprintf(ebuf, sizeof(ebuf), fmt, ap); + size +=3D rc; + va_end(ap); + + if (rc < 0 || size >=3D sizeof(ebuf)) + return; + + rc =3D snprintf(ebuf + size, sizeof(ebuf) - size, ": %s\n", sysebuf); + size +=3D rc; + + if (rc < 0 || size >=3D sizeof(ebuf)) + return; + + fputs(ebuf, stderr); + snmp_log(LOG_ERR, "%s", ebuf); +} diff --git a/src/libvirtSnmpError.h b/src/libvirtSnmpError.h index 46c98f0..e8822d1 100644 --- a/src/libvirtSnmpError.h +++ b/src/libvirtSnmpError.h @@ -36,4 +36,7 @@ void printLibvirtError(const char *fmt, ...) ATTRIBUTE_FMT_PRINTF(1, 2); =20 +void printSystemError(int theerrno, const char *fmt, ...) + ATTRIBUTE_FMT_PRINTF(2, 3); + #endif /* __LIBVIRT_SNMP_ERROR_H__ */ --=20 2.18.1 -- libvir-list mailing list libvir-list@redhat.com https://www.redhat.com/mailman/listinfo/libvir-list From nobody Sat Dec 21 15:50:00 2024 Delivered-To: importer@patchew.org Received-SPF: pass (zoho.com: domain of redhat.com designates 209.132.183.28 as permitted sender) client-ip=209.132.183.28; envelope-from=libvir-list-bounces@redhat.com; helo=mx1.redhat.com; Authentication-Results: mx.zohomail.com; spf=pass (zoho.com: domain of redhat.com designates 209.132.183.28 as permitted sender) smtp.mailfrom=libvir-list-bounces@redhat.com; dmarc=pass(p=none dis=none) header.from=redhat.com Return-Path: Received: from mx1.redhat.com (mx1.redhat.com [209.132.183.28]) by mx.zohomail.com with SMTPS id 1539865697673344.7058724113657; Thu, 18 Oct 2018 05:28:17 -0700 (PDT) Received: from smtp.corp.redhat.com (int-mx03.intmail.prod.int.phx2.redhat.com [10.5.11.13]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mx1.redhat.com (Postfix) with ESMTPS id DEF273082B60; Thu, 18 Oct 2018 12:28:15 +0000 (UTC) Received: from colo-mx.corp.redhat.com (colo-mx01.intmail.prod.int.phx2.redhat.com [10.5.11.20]) by smtp.corp.redhat.com (Postfix) with ESMTPS id 9F62A67660; Thu, 18 Oct 2018 12:28:15 +0000 (UTC) Received: from lists01.pubmisc.prod.ext.phx2.redhat.com (lists01.pubmisc.prod.ext.phx2.redhat.com [10.5.19.33]) by colo-mx.corp.redhat.com (Postfix) with ESMTP id 2D8F118005B1; Thu, 18 Oct 2018 12:28:15 +0000 (UTC) Received: from smtp.corp.redhat.com (int-mx03.intmail.prod.int.phx2.redhat.com [10.5.11.13]) by lists01.pubmisc.prod.ext.phx2.redhat.com (8.13.8/8.13.8) with ESMTP id w9ICRLsF026334 for ; Thu, 18 Oct 2018 08:27:21 -0400 Received: by smtp.corp.redhat.com (Postfix) id 05E1E77F31; Thu, 18 Oct 2018 12:27:21 +0000 (UTC) Received: from moe.brq.redhat.com (unknown [10.43.2.192]) by smtp.corp.redhat.com (Postfix) with ESMTP id 669B1611BC for ; Thu, 18 Oct 2018 12:27:20 +0000 (UTC) From: Michal Privoznik To: libvir-list@redhat.com Date: Thu, 18 Oct 2018 14:26:55 +0200 Message-Id: In-Reply-To: References: X-Scanned-By: MIMEDefang 2.79 on 10.5.11.13 X-loop: libvir-list@redhat.com Subject: [libvirt] [snmp PATCH 17/20] libvirtSnmp: Fix type of libvirtUnregisterEvents() X-BeenThere: libvir-list@redhat.com X-Mailman-Version: 2.1.12 Precedence: junk List-Id: Development discussions about the libvirt library & tools List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable Sender: libvir-list-bounces@redhat.com Errors-To: libvir-list-bounces@redhat.com X-Scanned-By: MIMEDefang 2.79 on 10.5.11.13 X-Greylist: Sender IP whitelisted, not delayed by milter-greylist-4.5.16 (mx1.redhat.com [10.5.110.45]); Thu, 18 Oct 2018 12:28:16 +0000 (UTC) X-ZohoMail: RDMRC_0 RSF_0 Z_629925259 SPT_0 Content-Type: text/plain; charset="utf-8" This function returns only a single value. It makes no sense to have it return that. Make it return void. Signed-off-by: Michal Privoznik Reviewed-by: Martin Kletzander --- src/libvirtSnmp.c | 12 +++++------- 1 file changed, 5 insertions(+), 7 deletions(-) diff --git a/src/libvirtSnmp.c b/src/libvirtSnmp.c index 3a93bc6..2f2f406 100644 --- a/src/libvirtSnmp.c +++ b/src/libvirtSnmp.c @@ -227,14 +227,14 @@ libvirtRegisterEvents(virConnectPtr conn) } =20 /* Unregister domain events collection */ -int +static void libvirtUnregisterEvents(virConnectPtr conn) { - void *status; + if (callbackRet < 0) + return; =20 virConnectDomainEventDeregisterAny(conn, callbackRet); callbackRet =3D -1; - return 0; } =20 int libvirtSnmpInit(void) @@ -284,13 +284,11 @@ void libvirtSnmpShutdown(void) if (timer !=3D -1) virEventRemoveTimeout(timer); =20 - if (libvirtUnregisterEvents(conn)) { - printf("Failed to unregister domain events\n"); - } + libvirtUnregisterEvents(conn); =20 if ((rc =3D virConnectClose(conn))) { printLibvirtError("Failed to disconnect from hypervisor. " - "Leaked references: %d\n", rc); + "Leaked references: %d\n", rc); } } =20 --=20 2.18.1 -- libvir-list mailing list libvir-list@redhat.com https://www.redhat.com/mailman/listinfo/libvir-list From nobody Sat Dec 21 15:50:00 2024 Delivered-To: importer@patchew.org Received-SPF: pass (zoho.com: domain of redhat.com designates 209.132.183.28 as permitted sender) client-ip=209.132.183.28; envelope-from=libvir-list-bounces@redhat.com; helo=mx1.redhat.com; Authentication-Results: mx.zohomail.com; spf=pass (zoho.com: domain of redhat.com designates 209.132.183.28 as permitted sender) smtp.mailfrom=libvir-list-bounces@redhat.com; dmarc=pass(p=none dis=none) header.from=redhat.com Return-Path: Received: from mx1.redhat.com (mx1.redhat.com [209.132.183.28]) by mx.zohomail.com with SMTPS id 1539865878073677.5476711472369; Thu, 18 Oct 2018 05:31:18 -0700 (PDT) Received: from smtp.corp.redhat.com (int-mx03.intmail.prod.int.phx2.redhat.com [10.5.11.13]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mx1.redhat.com (Postfix) with ESMTPS id 42951CD17A; Thu, 18 Oct 2018 12:31:16 +0000 (UTC) Received: from colo-mx.corp.redhat.com (colo-mx01.intmail.prod.int.phx2.redhat.com [10.5.11.20]) by smtp.corp.redhat.com (Postfix) with ESMTPS id DB97E611C9; Thu, 18 Oct 2018 12:31:15 +0000 (UTC) Received: from lists01.pubmisc.prod.ext.phx2.redhat.com (lists01.pubmisc.prod.ext.phx2.redhat.com [10.5.19.33]) by colo-mx.corp.redhat.com (Postfix) with ESMTP id 62EE218005B3; Thu, 18 Oct 2018 12:31:15 +0000 (UTC) Received: from smtp.corp.redhat.com (int-mx03.intmail.prod.int.phx2.redhat.com [10.5.11.13]) by lists01.pubmisc.prod.ext.phx2.redhat.com (8.13.8/8.13.8) with ESMTP id w9ICRO39026362 for ; Thu, 18 Oct 2018 08:27:24 -0400 Received: by smtp.corp.redhat.com (Postfix) id 982F3611BC; Thu, 18 Oct 2018 12:27:24 +0000 (UTC) Received: from moe.brq.redhat.com (unknown [10.43.2.192]) by smtp.corp.redhat.com (Postfix) with ESMTP id 19E4260D58 for ; Thu, 18 Oct 2018 12:27:21 +0000 (UTC) From: Michal Privoznik To: libvir-list@redhat.com Date: Thu, 18 Oct 2018 14:26:56 +0200 Message-Id: In-Reply-To: References: X-Scanned-By: MIMEDefang 2.79 on 10.5.11.13 X-loop: libvir-list@redhat.com Subject: [libvirt] [snmp PATCH 18/20] libvirtSnmp: Report libvirt errors if no domain is found X-BeenThere: libvir-list@redhat.com X-Mailman-Version: 2.1.12 Precedence: junk List-Id: Development discussions about the libvirt library & tools List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable Sender: libvir-list-bounces@redhat.com Errors-To: libvir-list-bounces@redhat.com X-Scanned-By: MIMEDefang 2.79 on 10.5.11.13 X-Greylist: Sender IP whitelisted, not delayed by milter-greylist-4.5.16 (mx1.redhat.com [10.5.110.38]); Thu, 18 Oct 2018 12:31:16 +0000 (UTC) X-ZohoMail: RDMRC_0 RSF_0 Z_629925259 SPT_0 Content-Type: text/plain; charset="utf-8" Instead of plain printf(), report proper libvirt error. Signed-off-by: Michal Privoznik Reviewed-by: Martin Kletzander --- src/libvirtSnmp.c | 6 +++--- 1 file changed, 3 insertions(+), 3 deletions(-) diff --git a/src/libvirtSnmp.c b/src/libvirtSnmp.c index 2f2f406..c334967 100644 --- a/src/libvirtSnmp.c +++ b/src/libvirtSnmp.c @@ -322,7 +322,7 @@ libvirtSnmpCreate(unsigned char *uuid, int state) } =20 if (!(dom =3D virDomainLookupByUUID(conn, uuid))) { - printf("Cannot find domain to create\n"); + printLibvirtError("No such domain"); return -1; } =20 @@ -344,7 +344,7 @@ libvirtSnmpDestroy(unsigned char *uuid) int ret =3D -1; =20 if (!(dom =3D virDomainLookupByUUID(conn, uuid))) { - printf("Cannot find domain to destroy\n"); + printLibvirtError("No such domain"); return -1; } =20 @@ -366,7 +366,7 @@ libvirtSnmpChangeState(unsigned char *uuid, int newstat= e, int oldstate) int ret =3D -1; =20 if (!(dom =3D virDomainLookupByUUID(conn, uuid))) { - printf("Cannot find domain to change\n"); + printLibvirtError("No such domain"); return 1; } =20 --=20 2.18.1 -- libvir-list mailing list libvir-list@redhat.com https://www.redhat.com/mailman/listinfo/libvir-list From nobody Sat Dec 21 15:50:00 2024 Delivered-To: importer@patchew.org Received-SPF: pass (zoho.com: domain of redhat.com designates 209.132.183.28 as permitted sender) client-ip=209.132.183.28; envelope-from=libvir-list-bounces@redhat.com; helo=mx1.redhat.com; Authentication-Results: mx.zohomail.com; spf=pass (zoho.com: domain of redhat.com designates 209.132.183.28 as permitted sender) smtp.mailfrom=libvir-list-bounces@redhat.com; dmarc=pass(p=none dis=none) header.from=redhat.com Return-Path: Received: from mx1.redhat.com (mx1.redhat.com [209.132.183.28]) by mx.zohomail.com with SMTPS id 1539865691242165.7424001083707; Thu, 18 Oct 2018 05:28:11 -0700 (PDT) Received: from smtp.corp.redhat.com (int-mx08.intmail.prod.int.phx2.redhat.com [10.5.11.23]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mx1.redhat.com (Postfix) with ESMTPS id 559F5307D86D; Thu, 18 Oct 2018 12:28:09 +0000 (UTC) Received: from colo-mx.corp.redhat.com (colo-mx02.intmail.prod.int.phx2.redhat.com [10.5.11.21]) by smtp.corp.redhat.com (Postfix) with ESMTPS id 1FBE757CAC; Thu, 18 Oct 2018 12:28:09 +0000 (UTC) Received: from lists01.pubmisc.prod.ext.phx2.redhat.com (lists01.pubmisc.prod.ext.phx2.redhat.com [10.5.19.33]) by colo-mx.corp.redhat.com (Postfix) with ESMTP id C11453D66; Thu, 18 Oct 2018 12:28:08 +0000 (UTC) Received: from smtp.corp.redhat.com (int-mx03.intmail.prod.int.phx2.redhat.com [10.5.11.13]) by lists01.pubmisc.prod.ext.phx2.redhat.com (8.13.8/8.13.8) with ESMTP id w9ICRPVj026372 for ; Thu, 18 Oct 2018 08:27:25 -0400 Received: by smtp.corp.redhat.com (Postfix) id 70689611BC; Thu, 18 Oct 2018 12:27:25 +0000 (UTC) Received: from moe.brq.redhat.com (unknown [10.43.2.192]) by smtp.corp.redhat.com (Postfix) with ESMTP id E539A60D58 for ; Thu, 18 Oct 2018 12:27:24 +0000 (UTC) From: Michal Privoznik To: libvir-list@redhat.com Date: Thu, 18 Oct 2018 14:26:57 +0200 Message-Id: <29fd47cfea7cf99c486c9a82956be413ffc45aea.1539865556.git.mprivozn@redhat.com> In-Reply-To: References: X-Scanned-By: MIMEDefang 2.79 on 10.5.11.13 X-loop: libvir-list@redhat.com Subject: [libvirt] [snmp PATCH 19/20] libvirtSnmpInit: Don't report errors from libvirtRegisterEvents() X-BeenThere: libvir-list@redhat.com X-Mailman-Version: 2.1.12 Precedence: junk List-Id: Development discussions about the libvirt library & tools List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable Sender: libvir-list-bounces@redhat.com Errors-To: libvir-list-bounces@redhat.com X-Scanned-By: MIMEDefang 2.84 on 10.5.11.23 X-Greylist: Sender IP whitelisted, not delayed by milter-greylist-4.5.16 (mx1.redhat.com [10.5.110.48]); Thu, 18 Oct 2018 12:28:10 +0000 (UTC) X-ZohoMail: RDMRC_0 RSF_0 Z_629925259 SPT_0 Content-Type: text/plain; charset="utf-8" The libvirtRegisterEvents() function now reports errors on its own. No need to duplicate the effort. Signed-off-by: Michal Privoznik Reviewed-by: Martin Kletzander --- src/libvirtSnmp.c | 4 +--- 1 file changed, 1 insertion(+), 3 deletions(-) diff --git a/src/libvirtSnmp.c b/src/libvirtSnmp.c index c334967..e63942b 100644 --- a/src/libvirtSnmp.c +++ b/src/libvirtSnmp.c @@ -254,10 +254,8 @@ int libvirtSnmpInit(void) return -1; } =20 - if ((callbackRet =3D=3D -1) && libvirtRegisterEvents(conn)) { - printf("Unable to register domain events\n"); + if ((callbackRet =3D=3D -1) && libvirtRegisterEvents(conn)) return -1; - } =20 return 0; } --=20 2.18.1 -- libvir-list mailing list libvir-list@redhat.com https://www.redhat.com/mailman/listinfo/libvir-list From nobody Sat Dec 21 15:50:00 2024 Delivered-To: importer@patchew.org Received-SPF: pass (zoho.com: domain of redhat.com designates 209.132.183.28 as permitted sender) client-ip=209.132.183.28; envelope-from=libvir-list-bounces@redhat.com; helo=mx1.redhat.com; Authentication-Results: mx.zohomail.com; spf=pass (zoho.com: domain of redhat.com designates 209.132.183.28 as permitted sender) smtp.mailfrom=libvir-list-bounces@redhat.com; dmarc=pass(p=none dis=none) header.from=redhat.com Return-Path: Received: from mx1.redhat.com (mx1.redhat.com [209.132.183.28]) by mx.zohomail.com with SMTPS id 1539865709295595.4090655753902; Thu, 18 Oct 2018 05:28:29 -0700 (PDT) Received: from smtp.corp.redhat.com (int-mx04.intmail.prod.int.phx2.redhat.com [10.5.11.14]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mx1.redhat.com (Postfix) with ESMTPS id 63A259B42C; Thu, 18 Oct 2018 12:28:27 +0000 (UTC) Received: from colo-mx.corp.redhat.com (colo-mx01.intmail.prod.int.phx2.redhat.com [10.5.11.20]) by smtp.corp.redhat.com (Postfix) with ESMTPS id 27E5C68B01; Thu, 18 Oct 2018 12:28:27 +0000 (UTC) Received: from lists01.pubmisc.prod.ext.phx2.redhat.com (lists01.pubmisc.prod.ext.phx2.redhat.com [10.5.19.33]) by colo-mx.corp.redhat.com (Postfix) with ESMTP id D486C180B5B7; Thu, 18 Oct 2018 12:28:26 +0000 (UTC) Received: from smtp.corp.redhat.com (int-mx03.intmail.prod.int.phx2.redhat.com [10.5.11.13]) by lists01.pubmisc.prod.ext.phx2.redhat.com (8.13.8/8.13.8) with ESMTP id w9ICRQwJ026384 for ; Thu, 18 Oct 2018 08:27:26 -0400 Received: by smtp.corp.redhat.com (Postfix) id 4C350611BC; Thu, 18 Oct 2018 12:27:26 +0000 (UTC) Received: from moe.brq.redhat.com (unknown [10.43.2.192]) by smtp.corp.redhat.com (Postfix) with ESMTP id C0FCE611C9 for ; Thu, 18 Oct 2018 12:27:25 +0000 (UTC) From: Michal Privoznik To: libvir-list@redhat.com Date: Thu, 18 Oct 2018 14:26:58 +0200 Message-Id: <3e82fc6f9ce2c330b9064a177a4a1061e41b7e2c.1539865556.git.mprivozn@redhat.com> In-Reply-To: References: X-Scanned-By: MIMEDefang 2.79 on 10.5.11.13 X-loop: libvir-list@redhat.com Subject: [libvirt] [snmp PATCH 20/20] .gitignore: Ignore tags file X-BeenThere: libvir-list@redhat.com X-Mailman-Version: 2.1.12 Precedence: junk List-Id: Development discussions about the libvirt library & tools List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable Sender: libvir-list-bounces@redhat.com Errors-To: libvir-list-bounces@redhat.com X-Scanned-By: MIMEDefang 2.79 on 10.5.11.14 X-Greylist: Sender IP whitelisted, not delayed by milter-greylist-4.5.16 (mx1.redhat.com [10.5.110.39]); Thu, 18 Oct 2018 12:28:28 +0000 (UTC) X-ZohoMail: RDMRC_0 RSF_0 Z_629925259 SPT_0 Content-Type: text/plain; charset="utf-8" Signed-off-by: Michal Privoznik Reviewed-by: Martin Kletzander --- .gitignore | 1 + 1 file changed, 1 insertion(+) diff --git a/.gitignore b/.gitignore index ce79f12..dd930b7 100644 --- a/.gitignore +++ b/.gitignore @@ -16,6 +16,7 @@ ChangeLog /INSTALL Makefile Makefile.in +tags /aclocal.m4 /autom4te.cache/ /build-aux/compile --=20 2.18.1 -- libvir-list mailing list libvir-list@redhat.com https://www.redhat.com/mailman/listinfo/libvir-list