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Commit | Line | Data |
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53e1b683 | 1 | /* SPDX-License-Identifier: LGPL-2.1+ */ |
87d2c1ff LP |
2 | /*** |
3 | This file is part of systemd. | |
4 | ||
5 | Copyright 2011 Lennart Poettering | |
87d2c1ff LP |
6 | ***/ |
7 | ||
87d2c1ff | 8 | #include <unistd.h> |
87d2c1ff | 9 | |
8580d1f7 | 10 | #include "sd-daemon.h" |
cf0fbc49 | 11 | #include "sd-messages.h" |
81527be1 | 12 | |
f97b34a6 | 13 | #include "format-util.h" |
89fef990 | 14 | #include "journal-authenticate.h" |
ef63833d | 15 | #include "journald-kmsg.h" |
cf0fbc49 | 16 | #include "journald-server.h" |
35e2e347 | 17 | #include "journald-syslog.h" |
dccca82b | 18 | #include "process-util.h" |
fa6ac760 LP |
19 | #include "sigbus.h" |
20 | ||
87d2c1ff LP |
21 | int main(int argc, char *argv[]) { |
22 | Server server; | |
23 | int r; | |
24 | ||
87d2c1ff LP |
25 | if (argc > 1) { |
26 | log_error("This program does not take arguments."); | |
27 | return EXIT_FAILURE; | |
28 | } | |
29 | ||
6c347d50 LP |
30 | log_set_prohibit_ipc(true); |
31 | log_set_target(LOG_TARGET_AUTO); | |
3eff4208 | 32 | log_set_facility(LOG_SYSLOG); |
87d2c1ff LP |
33 | log_parse_environment(); |
34 | log_open(); | |
35 | ||
36 | umask(0022); | |
37 | ||
fa6ac760 LP |
38 | sigbus_install(); |
39 | ||
87d2c1ff LP |
40 | r = server_init(&server); |
41 | if (r < 0) | |
42 | goto finish; | |
43 | ||
3a19f215 | 44 | server_vacuum(&server, false); |
f78273c8 | 45 | server_flush_to_var(&server, true); |
51abe64c | 46 | server_flush_dev_kmsg(&server); |
e6960940 | 47 | |
df0ff127 | 48 | log_debug("systemd-journald running as pid "PID_FMT, getpid_cached()); |
13181942 | 49 | server_driver_message(&server, 0, |
2b044526 | 50 | "MESSAGE_ID=" SD_MESSAGE_JOURNAL_START_STR, |
8a03c9ef ZJS |
51 | LOG_MESSAGE("Journal started"), |
52 | NULL); | |
87d2c1ff | 53 | |
18e758bf FB |
54 | /* Make sure to send the usage message *after* flushing the |
55 | * journal so entries from the runtime journals are ordered | |
56 | * before this message. See #4190 for some details. */ | |
57 | server_space_usage_message(&server, NULL); | |
58 | ||
87d2c1ff | 59 | for (;;) { |
3a43da28 | 60 | usec_t t = USEC_INFINITY, n; |
87d2c1ff | 61 | |
565a9388 LP |
62 | r = sd_event_get_state(server.event); |
63 | if (r < 0) | |
64 | goto finish; | |
65 | if (r == SD_EVENT_FINISHED) | |
66 | break; | |
67 | ||
fb0951b0 | 68 | n = now(CLOCK_REALTIME); |
89fef990 | 69 | |
fb0951b0 | 70 | if (server.max_retention_usec > 0 && server.oldest_file_usec > 0) { |
89fef990 | 71 | |
fb0951b0 LP |
72 | /* The retention time is reached, so let's vacuum! */ |
73 | if (server.oldest_file_usec + server.max_retention_usec < n) { | |
74 | log_info("Retention time reached."); | |
75 | server_rotate(&server); | |
3a19f215 | 76 | server_vacuum(&server, false); |
fb0951b0 LP |
77 | continue; |
78 | } | |
89fef990 | 79 | |
fb0951b0 | 80 | /* Calculate when to rotate the next time */ |
f9a810be | 81 | t = server.oldest_file_usec + server.max_retention_usec - n; |
fb0951b0 LP |
82 | } |
83 | ||
349cc4a5 | 84 | #if HAVE_GCRYPT |
fb0951b0 LP |
85 | if (server.system_journal) { |
86 | usec_t u; | |
87 | ||
88 | if (journal_file_next_evolve_usec(server.system_journal, &u)) { | |
89 | if (n >= u) | |
90 | t = 0; | |
91 | else | |
f9a810be | 92 | t = MIN(t, u - n); |
fb0951b0 LP |
93 | } |
94 | } | |
89fef990 | 95 | #endif |
89fef990 | 96 | |
f9a810be | 97 | r = sd_event_run(server.event, t); |
87d2c1ff | 98 | if (r < 0) { |
da927ba9 | 99 | log_error_errno(r, "Failed to run event loop: %m"); |
87d2c1ff | 100 | goto finish; |
89fef990 | 101 | } |
87d2c1ff | 102 | |
99add6fd | 103 | server_maybe_append_tags(&server); |
178cc770 | 104 | server_maybe_warn_forward_syslog_missed(&server); |
87d2c1ff LP |
105 | } |
106 | ||
df0ff127 | 107 | log_debug("systemd-journald stopped as pid "PID_FMT, getpid_cached()); |
13181942 | 108 | server_driver_message(&server, 0, |
2b044526 | 109 | "MESSAGE_ID=" SD_MESSAGE_JOURNAL_STOP_STR, |
8a03c9ef ZJS |
110 | LOG_MESSAGE("Journal stopped"), |
111 | NULL); | |
fe652127 | 112 | |
87d2c1ff | 113 | finish: |
87d2c1ff LP |
114 | server_done(&server); |
115 | ||
116 | return r < 0 ? EXIT_FAILURE : EXIT_SUCCESS; | |
117 | } |