diff options
Diffstat (limited to '')
| -rw-r--r-- | src/journal/journald.c | 112 | ||||
| -rw-r--r-- | src/journal/journald.conf | 43 |
2 files changed, 155 insertions, 0 deletions
diff --git a/src/journal/journald.c b/src/journal/journald.c new file mode 100644 index 0000000..5e7b1dc --- /dev/null +++ b/src/journal/journald.c @@ -0,0 +1,112 @@ +/* SPDX-License-Identifier: LGPL-2.1+ */ + +#include <unistd.h> + +#include "sd-daemon.h" +#include "sd-messages.h" + +#include "format-util.h" +#include "journal-authenticate.h" +#include "journald-kmsg.h" +#include "journald-server.h" +#include "journald-syslog.h" +#include "process-util.h" +#include "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_prohibit_ipc(true); + log_set_target(LOG_TARGET_AUTO); + 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, true); + server_flush_dev_kmsg(&server); + + log_debug("systemd-journald running as pid "PID_FMT, getpid_cached()); + server_driver_message(&server, 0, + "MESSAGE_ID=" SD_MESSAGE_JOURNAL_START_STR, + 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; + } + +#if 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_cached()); + server_driver_message(&server, 0, + "MESSAGE_ID=" SD_MESSAGE_JOURNAL_STOP_STR, + LOG_MESSAGE("Journal stopped"), + NULL); + +finish: + server_done(&server); + + return r < 0 ? EXIT_FAILURE : EXIT_SUCCESS; +} diff --git a/src/journal/journald.conf b/src/journal/journald.conf new file mode 100644 index 0000000..2f1c661 --- /dev/null +++ b/src/journal/journald.conf @@ -0,0 +1,43 @@ +# This file is part of systemd. +# +# 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. +# +# Entries in this file show the compile time defaults. +# You can change settings by editing this file. +# Defaults can be restored by simply deleting this file. +# +# See journald.conf(5) for details. + +[Journal] +#Storage=auto +#Compress=yes +#Seal=yes +#SplitMode=uid +#SyncIntervalSec=5m +#RateLimitIntervalSec=30s +#RateLimitBurst=10000 +#SystemMaxUse= +#SystemKeepFree= +#SystemMaxFileSize= +#SystemMaxFiles=100 +#RuntimeMaxUse= +#RuntimeKeepFree= +#RuntimeMaxFileSize= +#RuntimeMaxFiles=100 +#MaxRetentionSec= +#MaxFileSec=1month +#ForwardToSyslog=no +#ForwardToKMsg=no +#ForwardToConsole=no +#ForwardToWall=yes +#TTYPath=/dev/console +#MaxLevelStore=debug +#MaxLevelSyslog=debug +#MaxLevelKMsg=notice +#MaxLevelConsole=info +#MaxLevelWall=emerg +#LineMax=48K +#ReadKMsg=yes |