91 lines
2.6 KiB
C
91 lines
2.6 KiB
C
/*-*- Mode: C; c-basic-offset: 8; indent-tabs-mode: nil -*-*/
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/***
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This file is part of systemd.
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Copyright 2011 Lennart Poettering
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systemd is free software; you can redistribute it and/or modify it
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under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 2 of the License, or
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(at your option) any later version.
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systemd is distributed in the hope that it will be useful, but
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WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with systemd; If not, see <http://www.gnu.org/licenses/>.
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***/
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#include <fcntl.h>
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#include <errno.h>
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#include <stddef.h>
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#include <string.h>
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#include <stdio.h>
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#include <unistd.h>
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#include <stdlib.h>
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#include "sd-journal.h"
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#include "log.h"
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int main(int argc, char *argv[]) {
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int r, i;
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sd_journal *j = NULL;
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log_set_max_level(LOG_DEBUG);
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log_set_target(LOG_TARGET_CONSOLE);
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log_parse_environment();
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log_open();
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r = sd_journal_open(&j);
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if (r < 0) {
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log_error("Failed to open journal: %s", strerror(-r));
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goto finish;
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}
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for (i = 1; i < argc; i++) {
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r = sd_journal_add_match(j, argv[i], strlen(argv[i]));
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if (r < 0) {
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log_error("Failed to add match: %s", strerror(-r));
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goto finish;
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}
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}
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SD_JOURNAL_FOREACH(j) {
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const void *data;
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size_t length;
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char *cursor;
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uint64_t realtime = 0, monotonic = 0;
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r = sd_journal_get_cursor(j, &cursor);
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if (r < 0) {
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log_error("Failed to get cursor: %s", strerror(-r));
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goto finish;
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}
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printf("entry: %s\n", cursor);
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free(cursor);
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sd_journal_get_realtime_usec(j, &realtime);
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sd_journal_get_monotonic_usec(j, &monotonic, NULL);
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printf("realtime: %llu\n"
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"monotonic: %llu\n",
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(unsigned long long) realtime,
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(unsigned long long) monotonic);
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SD_JOURNAL_FOREACH_DATA(j, data, length)
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printf("\t%.*s\n", (int) length, (const char*) data);
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}
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finish:
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if (j)
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sd_journal_close(j);
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return r < 0 ? EXIT_FAILURE : EXIT_SUCCESS;
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}
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