1 files changed, 125 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..fb93f54924
--- /dev/null
+++ b/src/grp-journal/systemd-journald/journald.c
@@ -0,0 +1,125 @@
+/***
+  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);
+        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);
+
+        /* Make sure to send the usage message *after* flushing the
+         * journal so entries from the runtime journals are ordered
+         * before this message. See #4190 for some details. */
+        server_space_usage_message(&server, 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);
+                                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;
+}