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authorLuke Shumaker <lukeshu@sbcglobal.net>2016-11-29 21:29:03 -0500
committerLuke Shumaker <lukeshu@sbcglobal.net>2016-11-29 21:29:03 -0500
commit99abc9741d8e92238e5eef8223e42868176c0ac4 (patch)
treefbc32dd25e1d3a388c2f3bbdeb16d412bcad12cd /src/grp-journal/systemd-journald/journald.c
parentf0dba1c481159490d2f8ce8e0a29e5ff05279a30 (diff)
./tools/notsd-move
Diffstat (limited to 'src/grp-journal/systemd-journald/journald.c')
-rw-r--r--src/grp-journal/systemd-journald/journald.c120
1 files changed, 120 insertions, 0 deletions
diff --git a/src/grp-journal/systemd-journald/journald.c b/src/grp-journal/systemd-journald/journald.c
new file mode 100644
index 0000000000..7306b5f43d
--- /dev/null
+++ b/src/grp-journal/systemd-journald/journald.c
@@ -0,0 +1,120 @@
+/***
+ This file is part of systemd.
+
+ Copyright 2011 Lennart Poettering
+
+ systemd 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.
+
+ systemd 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 systemd; If not, see <http://www.gnu.org/licenses/>.
+***/
+
+#include <unistd.h>
+
+#include <systemd/sd-daemon.h>
+#include <systemd/sd-messages.h>
+
+#include "journal-core/journald-kmsg.h"
+#include "journal-core/journald-server.h"
+#include "journal-core/journald-syslog.h"
+#include "sd-journal/journal-authenticate.h"
+#include "systemd-basic/formats-util.h"
+#include "systemd-basic/sigbus.h"
+
+int main(int argc, char *argv[]) {
+ Server server;
+ int r;
+
+ if (argc > 1) {
+ log_error("This program does not take arguments.");
+ return EXIT_FAILURE;
+ }
+
+ log_set_target(LOG_TARGET_SAFE);
+ log_set_facility(LOG_SYSLOG);
+ log_parse_environment();
+ log_open();
+
+ umask(0022);
+
+ sigbus_install();
+
+ r = server_init(&server);
+ if (r < 0)
+ goto finish;
+
+ server_vacuum(&server, false, false);
+ server_flush_to_var(&server);
+ server_flush_dev_kmsg(&server);
+
+ log_debug("systemd-journald running as pid "PID_FMT, getpid());
+ server_driver_message(&server, SD_MESSAGE_JOURNAL_START,
+ LOG_MESSAGE("Journal started"),
+ NULL);
+
+ for (;;) {
+ usec_t t = USEC_INFINITY, n;
+
+ r = sd_event_get_state(server.event);
+ if (r < 0)
+ goto finish;
+ if (r == SD_EVENT_FINISHED)
+ break;
+
+ n = now(CLOCK_REALTIME);
+
+ if (server.max_retention_usec > 0 && server.oldest_file_usec > 0) {
+
+ /* The retention time is reached, so let's vacuum! */
+ if (server.oldest_file_usec + server.max_retention_usec < n) {
+ log_info("Retention time reached.");
+ server_rotate(&server);
+ server_vacuum(&server, false, false);
+ continue;
+ }
+
+ /* Calculate when to rotate the next time */
+ t = server.oldest_file_usec + server.max_retention_usec - n;
+ }
+
+#ifdef HAVE_GCRYPT
+ if (server.system_journal) {
+ usec_t u;
+
+ if (journal_file_next_evolve_usec(server.system_journal, &u)) {
+ if (n >= u)
+ t = 0;
+ else
+ t = MIN(t, u - n);
+ }
+ }
+#endif
+
+ r = sd_event_run(server.event, t);
+ if (r < 0) {
+ log_error_errno(r, "Failed to run event loop: %m");
+ goto finish;
+ }
+
+ server_maybe_append_tags(&server);
+ server_maybe_warn_forward_syslog_missed(&server);
+ }
+
+ log_debug("systemd-journald stopped as pid "PID_FMT, getpid());
+ server_driver_message(&server, SD_MESSAGE_JOURNAL_STOP,
+ LOG_MESSAGE("Journal stopped"),
+ NULL);
+
+finish:
+ server_done(&server);
+
+ return r < 0 ? EXIT_FAILURE : EXIT_SUCCESS;
+}