Copyright 2011 Lennart Poettering
systemd is free software; you can redistribute it and/or modify it
- under the terms of the GNU General Public License as published by
- the Free Software Foundation; either version 2 of the License, or
+ 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
- General Public License for more details.
+ Lesser General Public License for more details.
- You should have received a copy of the GNU General Public License
+ 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 <sys/poll.h>
#include <time.h>
#include <getopt.h>
+#include <sys/stat.h>
#include <systemd/sd-journal.h>
#include "log.h"
#include "util.h"
+#include "path-util.h"
#include "build.h"
#include "pager.h"
#include "logs-show.h"
static bool arg_new_id128 = false;
static bool arg_quiet = false;
static bool arg_local = false;
+static bool arg_this_boot = false;
static int help(void) {
- printf("%s [OPTIONS...] {COMMAND} ...\n\n"
+ printf("%s [OPTIONS...] [MATCH]\n\n"
"Send control commands to or query the journal.\n\n"
" -h --help Show this help\n"
" --version Show package version\n"
" -o --output=STRING Change journal output mode (short, short-monotonic,\n"
" verbose, export, json, cat)\n"
" -q --quiet Don't show privilege warning\n"
- " --new-id128 Generate a new 128 Bit id\n"
- " -l --local Only local entries\n",
+ " -l --local Only local entries\n"
+ " -b --this-boot Show data only from current boot\n"
+ " --new-id128 Generate a new 128 Bit id\n",
program_invocation_short_name);
return 0;
{ "new-id128", no_argument, NULL, ARG_NEW_ID128 },
{ "quiet", no_argument, NULL, 'q' },
{ "local", no_argument, NULL, 'l' },
+ { "this-boot", no_argument, NULL, 'b' },
{ NULL, 0, NULL, 0 }
};
assert(argc >= 0);
assert(argv);
- while ((c = getopt_long(argc, argv, "hfo:an:ql", options, NULL)) >= 0) {
+ while ((c = getopt_long(argc, argv, "hfo:an:qlb", options, NULL)) >= 0) {
switch (c) {
arg_local = true;
break;
+ case 'b':
+ arg_this_boot = true;
+ break;
+
case '?':
return -EINVAL;
sd_journal *j = NULL;
unsigned line = 0;
bool need_seek = false;
+ struct stat st;
log_parse_environment();
log_open();
goto finish;
}
+ if (arg_this_boot) {
+ char match[9+32+1] = "_BOOT_ID=";
+ sd_id128_t boot_id;
+
+ r = sd_id128_get_boot(&boot_id);
+ if (r < 0) {
+ log_error("Failed to get boot id: %s", strerror(-r));
+ goto finish;
+ }
+
+ sd_id128_to_string(boot_id, match + 9);
+
+ r = sd_journal_add_match(j, match, strlen(match));
+ if (r < 0) {
+ log_error("Failed to add match: %s", strerror(-r));
+ goto finish;
+ }
+ }
+
for (i = optind; i < argc; i++) {
- r = sd_journal_add_match(j, argv[i], strlen(argv[i]));
+ if (path_is_absolute(argv[i])) {
+ char *p = NULL;
+ const char *path;
+
+ p = canonicalize_file_name(argv[i]);
+ path = p ? p : argv[i];
+
+ if (stat(path, &st) < 0) {
+ free(p);
+ log_error("Couldn't stat file: %m");
+ r = -errno;
+ goto finish;
+ }
+
+ if (S_ISREG(st.st_mode) && (0111 & st.st_mode)) {
+ char *t;
+
+ t = strappend("_EXE=", path);
+ if (!t) {
+ free(p);
+ log_error("Out of memory");
+ goto finish;
+ }
+
+ r = sd_journal_add_match(j, t, strlen(t));
+ free(t);
+ } else {
+ free(p);
+ log_error("File is not a regular file or is not executable: %s", argv[i]);
+ goto finish;
+ }
+
+ free(p);
+ } else
+ r = sd_journal_add_match(j, argv[i], strlen(argv[i]));
+
if (r < 0) {
log_error("Failed to add match: %s", strerror(-r));
goto finish;
goto finish;
}
+ if (!arg_quiet) {
+ usec_t start, end;
+ char start_buf[FORMAT_TIMESTAMP_MAX], end_buf[FORMAT_TIMESTAMP_MAX];
+
+ r = sd_journal_get_cutoff_realtime_usec(j, &start, &end);
+ if (r < 0) {
+ log_error("Failed to get cutoff: %s", strerror(-r));
+ goto finish;
+ }
+
+ if (r > 0) {
+ if (arg_follow)
+ printf("Logs begin at %s.\n", format_timestamp(start_buf, sizeof(start_buf), start));
+ else
+ printf("Logs begin at %s, end at %s.\n",
+ format_timestamp(start_buf, sizeof(start_buf), start),
+ format_timestamp(end_buf, sizeof(end_buf), end));
+ }
+ }
+
if (arg_lines >= 0) {
r = sd_journal_seek_tail(j);
if (r < 0) {
~ianmdlvl / elogind.git / blobdiff