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authorLennart Poettering <lennart@poettering.net>2012-08-24 22:21:20 +0200
committerLennart Poettering <lennart@poettering.net>2012-09-03 18:59:04 -0700
commit877d54e9b09e093c2102f519a84e2a52637ae035 (patch)
treeff7926d33cd29b9e2930cb401a7be412c7724241 /src/core/unit.c
parent88fae6e0441d4195e089434f07d3e7fd811d6297 (diff)
journal: generate structured journal messages for a number of events
Diffstat (limited to 'src/core/unit.c')
-rw-r--r--src/core/unit.c90
1 files changed, 84 insertions, 6 deletions
diff --git a/src/core/unit.c b/src/core/unit.c
index 0d5d15ef90..8246837658 100644
--- a/src/core/unit.c
+++ b/src/core/unit.c
@@ -29,6 +29,8 @@
#include <unistd.h>
#include <sys/stat.h>
+#include "systemd/sd-id128.h"
+#include "systemd/sd-messages.h"
#include "set.h"
#include "unit.h"
#include "macro.h"
@@ -936,21 +938,93 @@ bool unit_condition_test(Unit *u) {
return u->condition_result;
}
-static void unit_status_print_starting_stopping(Unit *u, bool stopping) {
+static const char* unit_get_status_message_format(Unit *u, JobType t) {
const UnitStatusMessageFormats *format_table;
- const char *format;
+
+ assert(u);
+ assert(t >= 0);
+ assert(t < _JOB_TYPE_MAX);
+
+ if (t != JOB_START && t != JOB_STOP)
+ return NULL;
format_table = &UNIT_VTABLE(u)->status_message_formats;
if (!format_table)
- return;
+ return NULL;
+
+ return format_table->starting_stopping[t == JOB_STOP];
+}
+
+static const char *unit_get_status_message_format_try_harder(Unit *u, JobType t) {
+ const char *format;
+
+ assert(u);
+ assert(t >= 0);
+ assert(t < _JOB_TYPE_MAX);
+
+ format = unit_get_status_message_format(u, t);
+ if (format)
+ return format;
+
+ /* Return generic strings */
+ if (t == JOB_START)
+ return "Starting %s.";
+ else if (t == JOB_STOP)
+ return "Stopping %s.";
+ else if (t == JOB_RELOAD)
+ return "Reloading %s.";
+
+ return NULL;
+}
+
+static void unit_status_print_starting_stopping(Unit *u, JobType t) {
+ const char *format;
+
+ assert(u);
- format = format_table->starting_stopping[stopping];
+ /* We only print status messages for selected units on
+ * selected operations. */
+
+ format = unit_get_status_message_format(u, t);
if (!format)
return;
unit_status_printf(u, "", format, unit_description(u));
}
+#pragma GCC diagnostic push
+#pragma GCC diagnostic ignored "-Wformat-nonliteral"
+static void unit_status_log_starting_stopping_reloading(Unit *u, JobType t) {
+ const char *format;
+ char buf[LINE_MAX];
+ sd_id128_t mid;
+
+ assert(u);
+
+ if (t != JOB_START && t != JOB_STOP && t != JOB_RELOAD)
+ return;
+
+ /* We log status messages for all units and all operations. */
+
+ format = unit_get_status_message_format_try_harder(u, t);
+ if (!format)
+ return;
+
+ snprintf(buf, sizeof(buf), format, unit_description(u));
+ char_array_0(buf);
+
+ mid = t == JOB_START ? SD_MESSAGE_UNIT_STARTING :
+ t == JOB_STOP ? SD_MESSAGE_UNIT_STOPPING :
+ SD_MESSAGE_UNIT_RELOADING;
+
+ log_struct(LOG_INFO,
+ "MESSAGE_ID=" SD_ID128_FORMAT_STR, SD_ID128_FORMAT_VAL(mid),
+ "UNIT=%s", u->id,
+ "MESSAGE=%s", buf,
+ NULL);
+}
+#pragma GCC diagnostic pop
+
/* Errors:
* -EBADR: This unit type does not support starting.
* -EALREADY: Unit is already started.
@@ -990,7 +1064,8 @@ int unit_start(Unit *u) {
return unit_start(following);
}
- unit_status_print_starting_stopping(u, false);
+ unit_status_log_starting_stopping_reloading(u, JOB_START);
+ unit_status_print_starting_stopping(u, JOB_START);
/* If it is stopped, but we cannot start it, then fail */
if (!UNIT_VTABLE(u)->start)
@@ -1040,7 +1115,8 @@ int unit_stop(Unit *u) {
return unit_stop(following);
}
- unit_status_print_starting_stopping(u, true);
+ unit_status_log_starting_stopping_reloading(u, JOB_STOP);
+ unit_status_print_starting_stopping(u, JOB_STOP);
if (!UNIT_VTABLE(u)->stop)
return -EBADR;
@@ -1079,6 +1155,8 @@ int unit_reload(Unit *u) {
return unit_reload(following);
}
+ unit_status_log_starting_stopping_reloading(u, JOB_RELOAD);
+
unit_add_to_dbus_queue(u);
return UNIT_VTABLE(u)->reload(u);
}