92 lines
2.9 KiB
C
92 lines
2.9 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 "journal-private.h"
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int main(int argc, char *argv[]) {
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int r;
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JournalFile *f;
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Object *o = NULL;
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log_parse_environment();
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log_open();
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r = journal_file_open(NULL, "/var/log/journal/system.journal", O_RDONLY, 0644, &f);
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if (r == -ENOENT)
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r = journal_file_open(NULL, "/run/log/journal/system.journal", O_RDONLY, 0644, &f);
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if (r < 0) {
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log_error("Failed to open journal: %s", strerror(-r));
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return EXIT_FAILURE;
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}
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for (;;) {
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uint64_t offset;
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uint64_t n, i;
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r = journal_file_next_entry(f, o, &o, &offset);
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if (r < 0) {
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log_error("Failed to read journal: %s", strerror(-r));
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goto finish;
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}
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if (r == 0)
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break;
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printf("entry: %llu\n", (unsigned long long) le64toh(o->entry.seqnum));
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n = journal_file_entry_n_items(o);
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for (i = 0; i < n; i++) {
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uint64_t p, l;
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p = le64toh(o->entry.items[i].object_offset);
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r = journal_file_move_to_object(f, p, &o);
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if (r < 0) {
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log_error("Failed to move to data: %s", strerror(-r));
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goto finish;
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}
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if (le64toh(o->object.type) != OBJECT_DATA) {
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log_error("Invalid file");
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goto finish;
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}
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l = o->object.size - offsetof(Object, data.payload);
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printf("\t[%.*s]\n", (int) l, o->data.payload);
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r = journal_file_move_to_object(f, offset, &o);
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if (r < 0) {
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log_error("Failed to move back to entry: %s", strerror(-r));
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goto finish;
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}
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}
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}
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finish:
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journal_file_close(f);
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return 0;
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}
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