integ/base/systemd/debian/patches/851-inject-millisec-in-syslog-date.patch
Yue Tao 5c5d01915a Add debian package for systemd
Porting 851/909/910/913/919/920/922/923/924/925/926/927
patches to debian, other patches are confirmed in
debian version.

Story: 2009221
Task: 43416
Signed-off-by: Yue Tao <yue.tao@windriver.com>
Change-Id: I5af677c90342bae7c30991bf465e0db79c71667d
2021-11-14 15:52:18 +08:00

89 lines
3.1 KiB
Diff

From 8b63ddb68a39d48ebb621d76a2b1f07f5ff67ac7 Mon Sep 17 00:00:00 2001
Message-Id: <8b63ddb68a39d48ebb621d76a2b1f07f5ff67ac7.1574264572.git.Jim.Somerville@windriver.com>
From: systemd team <systemd-maint@redhat.com>
Date: Tue, 8 Nov 2016 17:06:01 -0500
Subject: [PATCH 1/3] inject millisec in syslog date
Signed-off-by: Jim Somerville <Jim.Somerville@windriver.com>
---
src/journal/journald-syslog.c | 48 +++++++++++++++++++++++++++++++++++++------
1 file changed, 42 insertions(+), 6 deletions(-)
diff --git a/src/journal/journald-syslog.c b/src/journal/journald-syslog.c
index 1a9db59..36288cb 100644
--- a/src/journal/journald-syslog.c
+++ b/src/journal/journald-syslog.c
@@ -25,6 +25,43 @@
/* Warn once every 30s if we missed syslog message */
#define WARN_FORWARD_SYSLOG_MISSED_USEC (30 * USEC_PER_SEC)
+/* internal function that builds a formatted time str of the
+ * tv parameter into the passed buffer. (ie Nov 7 16:28:38.109)
+ * If tv is NULL, then the clock function is used to build the formatted time
+ * returns (same as snprintf) - number of characters written to buffer.
+ */
+static int formatSyslogDate(char * buffer, int bufLen, const struct timeval *tv) {
+ struct timeval tv_tmp;
+ long int millisec;
+ char tmpbuf[64];
+ struct tm tm;
+ time_t t;
+
+ if (!tv) {
+ // no timeval input so get time data from clock
+ usec_t now_usec = now(CLOCK_REALTIME);
+ time_t now_sec = ((time_t) now_usec / USEC_PER_SEC);
+ long int now_fraction_secs = now_usec % USEC_PER_SEC;
+ tv_tmp.tv_sec = now_sec;
+ tv_tmp.tv_usec = now_fraction_secs;
+ tv = &tv_tmp;
+ }
+
+ t = tv->tv_sec;
+ if (!localtime_r(&t, &tm))
+ return 0;
+
+ // format time to the second granularity - ie Nov 7 16:28:38
+ if (strftime(tmpbuf,sizeof(tmpbuf),"%h %e %T", &tm) <= 0)
+ return 0;
+
+ millisec = tv->tv_usec / 1000;
+ // now append millisecond granularity (ie Nov 7 16:28:38.109) to
+ // the formatted string.
+ return snprintf(buffer, bufLen, "%s.%03lu", tmpbuf, millisec);
+}
+
+
static void forward_syslog_iovec(
Server *s,
const struct iovec *iovec,
@@ -125,8 +162,6 @@ void server_forward_syslog(Server *s, in
char header_priority[DECIMAL_STR_MAX(priority) + 3], header_time[64],
header_pid[STRLEN("[]: ") + DECIMAL_STR_MAX(pid_t) + 1];
int n = 0;
- time_t t;
- struct tm tm;
_cleanup_free_ char *ident_buf = NULL;
assert(s);
@@ -141,12 +176,11 @@ void server_forward_syslog(Server *s, in
xsprintf(header_priority, "<%i>", priority);
iovec[n++] = IOVEC_MAKE_STRING(header_priority);
+
/* Second: timestamp */
- t = tv ? tv->tv_sec : ((time_t) (now(CLOCK_REALTIME) / USEC_PER_SEC));
- if (!localtime_r(&t, &tm))
- return;
- if (strftime(header_time, sizeof(header_time), "%h %e %T ", &tm) <= 0)
- return;
+ if (formatSyslogDate(header_time, sizeof(header_time), tv) <=0 )
+ return;
+
iovec[n++] = IOVEC_MAKE_STRING(header_time);
/* Third: identifier and PID */
--
1.8.3.1