84 lines
2.4 KiB
Diff
84 lines
2.4 KiB
Diff
From 27ee1b988a465e5f89e8a9234f4a01c34cab4387 Mon Sep 17 00:00:00 2001
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From: wangshouping <wangshouping@huawei.com>
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Date: Mon, 27 Apr 2020 08:53:18 -0400
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Subject: [PATCH] print main queue info to journal when receive USR1 signal
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Signed-off-by: wangshouping <wangshouping@huawei.com>
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V-2: add macro control for systemd/sd-journal.h
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Signed-off-by: pengyi37 <pengyi37@huawei.com>
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---
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tools/rsyslogd.c | 19 ++++++++++++++++++-
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1 file changed, 18 insertions(+), 1 deletion(-)
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diff --git a/tools/rsyslogd.c b/tools/rsyslogd.c
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index f1eea07..657f4de 100644
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--- a/tools/rsyslogd.c
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+++ b/tools/rsyslogd.c
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@@ -36,6 +36,7 @@
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#endif
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#ifdef HAVE_LIBSYSTEMD
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# include <systemd/sd-daemon.h>
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+# include <systemd/sd-journal.h>
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#endif
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#include "rsyslog.h"
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@@ -180,6 +181,7 @@ void rsyslogdDoDie(int sig);
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/* global data items */
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static int bChildDied;
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static int bHadHUP;
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+static int g_bRecordQueue;
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static int doFork = 1; /* fork - run in daemon mode - read-only after startup */
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int bFinished = 0; /* used by termination signal handler, read-only except there
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* is either 0 or the number of the signal that requested the
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@@ -1269,8 +1271,13 @@ rsyslogdDebugSwitch(void)
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dbgprintf("\n");
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debugging_on = 0;
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}
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+
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}
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+static void RsyslogdDebugQueue(void)
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+{
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+ g_bRecordQueue = 1;
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+}
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/* This is the main entry point into rsyslogd. Over time, we should try to
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* modularize it a bit more...
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@@ -1618,7 +1625,7 @@ initAll(int argc, char **argv)
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hdlr_enable(SIGINT, rsyslogdDoDie);
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hdlr_enable(SIGQUIT, rsyslogdDoDie);
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} else {
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- hdlr_enable(SIGUSR1, SIG_IGN);
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+ hdlr_enable(SIGUSR1, RsyslogdDebugQueue);
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hdlr_enable(SIGINT, SIG_IGN);
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hdlr_enable(SIGQUIT, SIG_IGN);
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}
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@@ -1956,6 +1963,7 @@ mainloop(void)
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sigaddset(&sigblockset, SIGTERM);
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sigaddset(&sigblockset, SIGCHLD);
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sigaddset(&sigblockset, SIGHUP);
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+ sigaddset(&sigblockset, SIGUSR1);
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do {
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processImInternal();
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@@ -1970,6 +1978,15 @@ mainloop(void)
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doHUP();
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bHadHUP = 0;
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}
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+ if (g_bRecordQueue) {
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+ if (pMsgQueue != NULL) {
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+ sd_journal_print(LOG_NOTICE, "main queue size information: current QueueSize=%d MaxQueueSize=%d\n",
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+ pMsgQueue->iQueueSize, pMsgQueue->iMaxQueueSize);
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+ } else {
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+ sd_journal_print(LOG_NOTICE, "main queue size information: pMsgQueue is NULL!\n");
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+ }
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+ g_bRecordQueue = 0;
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+ }
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if(bFinished)
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break; /* exit as quickly as possible */
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--
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2.23.0
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