***/
#include <time.h>
-#include <assert.h>
#include <errno.h>
-#include <sys/poll.h>
+#include <sys/socket.h>
#include <string.h>
+#include <fcntl.h>
#include "logs-show.h"
#include "log.h"
#include "hashmap.h"
#include "journal-internal.h"
-#define PRINT_THRESHOLD 128
+/* up to three lines (each up to 100 characters),
+ or 300 characters, whichever is less */
+#define PRINT_LINE_THRESHOLD 3
+#define PRINT_CHAR_THRESHOLD 300
+
#define JSON_THRESHOLD 4096
static int print_catalog(FILE *f, sd_journal *j) {
if (flags & OUTPUT_SHOW_ALL)
return true;
- if (l >= PRINT_THRESHOLD)
+ if (l >= PRINT_CHAR_THRESHOLD)
return false;
- if (!utf8_is_printable_n(p, l))
+ if (!utf8_is_printable(p, l))
return false;
return true;
}
+static bool print_multiline(FILE *f, unsigned prefix, unsigned n_columns, OutputFlags flags, int priority, const char* message, size_t message_len) {
+ const char *color_on = "", *color_off = "";
+ const char *pos, *end;
+ bool ellipsized = false;
+ int line = 0;
+
+ if (flags & OUTPUT_COLOR) {
+ if (priority <= LOG_ERR) {
+ color_on = ANSI_HIGHLIGHT_RED_ON;
+ color_off = ANSI_HIGHLIGHT_OFF;
+ } else if (priority <= LOG_NOTICE) {
+ color_on = ANSI_HIGHLIGHT_ON;
+ color_off = ANSI_HIGHLIGHT_OFF;
+ }
+ }
+
+ /* A special case: make sure that we print a newline when
+ the message is empty. */
+ if (message_len == 0)
+ fputs("\n", f);
+
+ for (pos = message;
+ pos < message + message_len;
+ pos = end + 1, line++) {
+ bool continuation = line > 0;
+ bool tail_line;
+ int len;
+ for (end = pos; end < message + message_len && *end != '\n'; end++)
+ ;
+ len = end - pos;
+ assert(len >= 0);
+
+ /* We need to figure out when we are showing not-last line, *and*
+ * will skip subsequent lines. In that case, we will put the dots
+ * at the end of the line, instead of putting dots in the middle
+ * or not at all.
+ */
+ tail_line =
+ line + 1 == PRINT_LINE_THRESHOLD ||
+ end + 1 >= message + PRINT_CHAR_THRESHOLD;
+
+ if (flags & (OUTPUT_FULL_WIDTH | OUTPUT_SHOW_ALL) ||
+ (prefix + len + 1 < n_columns && !tail_line)) {
+ fprintf(f, "%*s%s%.*s%s\n",
+ continuation * prefix, "",
+ color_on, len, pos, color_off);
+ continue;
+ }
+
+ /* Beyond this point, ellipsization will happen. */
+ ellipsized = true;
+
+ if (prefix < n_columns && n_columns - prefix >= 3) {
+ if (n_columns - prefix > (unsigned) len + 3)
+ fprintf(f, "%*s%s%.*s...%s\n",
+ continuation * prefix, "",
+ color_on, len, pos, color_off);
+ else {
+ _cleanup_free_ char *e;
+
+ e = ellipsize_mem(pos, len, n_columns - prefix,
+ tail_line ? 100 : 90);
+ if (!e)
+ fprintf(f, "%*s%s%.*s%s\n",
+ continuation * prefix, "",
+ color_on, len, pos, color_off);
+ else
+ fprintf(f, "%*s%s%s%s\n",
+ continuation * prefix, "",
+ color_on, e, color_off);
+ }
+ } else
+ fputs("...\n", f);
+
+ if (tail_line)
+ break;
+ }
+
+ return ellipsized;
+}
+
static int output_short(
FILE *f,
sd_journal *j,
_cleanup_free_ char *hostname = NULL, *identifier = NULL, *comm = NULL, *pid = NULL, *fake_pid = NULL, *message = NULL, *realtime = NULL, *monotonic = NULL, *priority = NULL;
size_t hostname_len = 0, identifier_len = 0, comm_len = 0, pid_len = 0, fake_pid_len = 0, message_len = 0, realtime_len = 0, monotonic_len = 0, priority_len = 0;
int p = LOG_INFO;
- const char *color_on = "", *color_off = "";
+ bool ellipsized = false;
assert(f);
assert(j);
- sd_journal_set_data_threshold(j, flags & OUTPUT_SHOW_ALL ? 0 : PRINT_THRESHOLD);
+ /* Set the threshold to one bigger than the actual print
+ * threshold, so that if the line is actually longer than what
+ * we're willing to print, ellipsization will occur. This way
+ * we won't output a misleading line without any indication of
+ * truncation.
+ */
+ sd_journal_set_data_threshold(j, flags & (OUTPUT_SHOW_ALL|OUTPUT_FULL_WIDTH) ? 0 : PRINT_CHAR_THRESHOLD + 1);
- SD_JOURNAL_FOREACH_DATA(j, data, length) {
+ JOURNAL_FOREACH_DATA_RETVAL(j, data, length, r) {
r = parse_field(data, length, "PRIORITY=", &priority, &priority_len);
if (r < 0)
return r;
}
+ if (r < 0)
+ return r;
+
if (!message)
return 0;
if (r < 0)
r = sd_journal_get_monotonic_usec(j, &t, &boot_id);
- if (r < 0) {
- log_error("Failed to get monotonic: %s", strerror(-r));
- return r;
- }
+ if (r < 0)
+ return log_error_errno(r, "Failed to get monotonic timestamp: %m");
fprintf(f, "[%5llu.%06llu]",
(unsigned long long) (t / USEC_PER_SEC),
uint64_t x;
time_t t;
struct tm tm;
+ struct tm *(*gettime_r)(const time_t *, struct tm *);
r = -ENOENT;
+ gettime_r = (flags & OUTPUT_UTC) ? gmtime_r : localtime_r;
if (realtime)
r = safe_atou64(realtime, &x);
if (r < 0)
r = sd_journal_get_realtime_usec(j, &x);
- if (r < 0) {
- log_error("Failed to get realtime: %s", strerror(-r));
- return r;
- }
+ if (r < 0)
+ return log_error_errno(r, "Failed to get realtime timestamp: %m");
t = (time_t) (x / USEC_PER_SEC);
- if (strftime(buf, sizeof(buf), "%b %d %H:%M:%S", localtime_r(&t, &tm)) <= 0) {
+
+ switch(mode) {
+ case OUTPUT_SHORT_ISO:
+ r = strftime(buf, sizeof(buf), "%Y-%m-%dT%H:%M:%S%z", gettime_r(&t, &tm));
+ break;
+ case OUTPUT_SHORT_PRECISE:
+ r = strftime(buf, sizeof(buf), "%b %d %H:%M:%S", gettime_r(&t, &tm));
+ if (r > 0) {
+ snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf),
+ ".%06llu", (unsigned long long) (x % USEC_PER_SEC));
+ }
+ break;
+ default:
+ r = strftime(buf, sizeof(buf), "%b %d %H:%M:%S", gettime_r(&t, &tm));
+ }
+
+ if (r <= 0) {
log_error("Failed to format time.");
- return r;
+ return -EINVAL;
}
fputs(buf, f);
fprintf(f, " %.*s", (int) comm_len, comm);
n += comm_len + 1;
} else
- fputc(' ', f);
+ fputs(" unknown", f);
if (pid && shall_print(pid, pid_len, flags)) {
fprintf(f, "[%.*s]", (int) pid_len, pid);
n += fake_pid_len + 2;
}
- if (flags & OUTPUT_COLOR) {
- if (p <= LOG_ERR) {
- color_on = ANSI_HIGHLIGHT_RED_ON;
- color_off = ANSI_HIGHLIGHT_OFF;
- } else if (p <= LOG_NOTICE) {
- color_on = ANSI_HIGHLIGHT_ON;
- color_off = ANSI_HIGHLIGHT_OFF;
- }
- }
-
- if (flags & OUTPUT_SHOW_ALL)
- fprintf(f, ": %s%.*s%s\n", color_on, (int) message_len, message, color_off);
- else if (!utf8_is_printable_n(message, message_len)) {
+ if (!(flags & OUTPUT_SHOW_ALL) && !utf8_is_printable(message, message_len)) {
char bytes[FORMAT_BYTES_MAX];
fprintf(f, ": [%s blob data]\n", format_bytes(bytes, sizeof(bytes), message_len));
- } else if ((flags & OUTPUT_FULL_WIDTH) || (message_len + n + 1 < n_columns))
- fprintf(f, ": %s%.*s%s\n", color_on, (int) message_len, message, color_off);
- else if (n < n_columns && n_columns - n - 2 >= 3) {
- _cleanup_free_ char *e;
-
- e = ellipsize_mem(message, message_len, n_columns - n - 2, 90);
-
- if (!e)
- fprintf(f, ": %s%.*s%s\n", color_on, (int) message_len, message, color_off);
- else
- fprintf(f, ": %s%s%s\n", color_on, e, color_off);
- } else
- fputs("\n", f);
+ } else {
+ fputs(": ", f);
+ ellipsized |=
+ print_multiline(f, n + 2, n_columns, flags, p, message, message_len);
+ }
if (flags & OUTPUT_CATALOG)
print_catalog(f, j);
- return 0;
+ return ellipsized;
}
static int output_verbose(
size_t length;
_cleanup_free_ char *cursor = NULL;
uint64_t realtime;
- char ts[FORMAT_TIMESTAMP_MAX];
+ char ts[FORMAT_TIMESTAMP_MAX + 7];
int r;
assert(f);
sd_journal_set_data_threshold(j, 0);
- r = sd_journal_get_realtime_usec(j, &realtime);
- if (r < 0) {
- log_error("Failed to get realtime timestamp: %s", strerror(-r));
+ r = sd_journal_get_data(j, "_SOURCE_REALTIME_TIMESTAMP", &data, &length);
+ if (r == -ENOENT)
+ log_debug("Source realtime timestamp not found");
+ else if (r < 0) {
+ log_full(r == -EADDRNOTAVAIL ? LOG_DEBUG : LOG_ERR,
+ "Failed to get source realtime timestamp: %s", strerror(-r));
return r;
+ } else {
+ _cleanup_free_ char *value = NULL;
+ size_t size;
+
+ r = parse_field(data, length, "_SOURCE_REALTIME_TIMESTAMP=", &value, &size);
+ if (r < 0)
+ log_debug_errno(r, "_SOURCE_REALTIME_TIMESTAMP invalid: %m");
+ else {
+ r = safe_atou64(value, &realtime);
+ if (r < 0)
+ log_debug_errno(r, "Failed to parse realtime timestamp: %m");
+ }
}
- r = sd_journal_get_cursor(j, &cursor);
if (r < 0) {
- log_error("Failed to get cursor: %s", strerror(-r));
- return r;
+ r = sd_journal_get_realtime_usec(j, &realtime);
+ if (r < 0) {
+ log_full(r == -EADDRNOTAVAIL ? LOG_DEBUG : LOG_ERR,
+ "Failed to get realtime timestamp: %s", strerror(-r));
+ return r;
+ }
}
+ r = sd_journal_get_cursor(j, &cursor);
+ if (r < 0)
+ return log_error_errno(r, "Failed to get cursor: %m");
+
fprintf(f, "%s [%s]\n",
- format_timestamp(ts, sizeof(ts), realtime),
+ flags & OUTPUT_UTC ?
+ format_timestamp_us_utc(ts, sizeof(ts), realtime) :
+ format_timestamp_us(ts, sizeof(ts), realtime),
cursor);
- SD_JOURNAL_FOREACH_DATA(j, data, length) {
- if (!shall_print(data, length, flags)) {
- const char *c;
- char bytes[FORMAT_BYTES_MAX];
+ JOURNAL_FOREACH_DATA_RETVAL(j, data, length, r) {
+ const char *c;
+ int fieldlen;
+ const char *on = "", *off = "";
- c = memchr(data, '=', length);
- if (!c) {
- log_error("Invalid field.");
- return -EINVAL;
- }
+ c = memchr(data, '=', length);
+ if (!c) {
+ log_error("Invalid field.");
+ return -EINVAL;
+ }
+ fieldlen = c - (const char*) data;
- fprintf(f, "\t%.*s=[%s blob data]\n",
- (int) (c - (const char*) data),
- (const char*) data,
- format_bytes(bytes, sizeof(bytes), length - (c - (const char *) data) - 1));
- } else
- fprintf(f, "\t%.*s\n", (int) length, (const char*) data);
+ if (flags & OUTPUT_COLOR && startswith(data, "MESSAGE=")) {
+ on = ANSI_HIGHLIGHT_ON;
+ off = ANSI_HIGHLIGHT_OFF;
+ }
+
+ if (flags & OUTPUT_SHOW_ALL ||
+ (((length < PRINT_CHAR_THRESHOLD) || flags & OUTPUT_FULL_WIDTH)
+ && utf8_is_printable(data, length))) {
+ fprintf(f, " %s%.*s=", on, fieldlen, (const char*)data);
+ print_multiline(f, 4 + fieldlen + 1, 0, OUTPUT_FULL_WIDTH, 0, c + 1, length - fieldlen - 1);
+ fputs(off, f);
+ } else {
+ char bytes[FORMAT_BYTES_MAX];
+
+ fprintf(f, " %s%.*s=[%s blob data]%s\n",
+ on,
+ (int) (c - (const char*) data),
+ (const char*) data,
+ format_bytes(bytes, sizeof(bytes), length - (c - (const char *) data) - 1),
+ off);
+ }
}
+ if (r < 0)
+ return r;
+
if (flags & OUTPUT_CATALOG)
print_catalog(f, j);
sd_journal_set_data_threshold(j, 0);
r = sd_journal_get_realtime_usec(j, &realtime);
- if (r < 0) {
- log_error("Failed to get realtime timestamp: %s", strerror(-r));
- return r;
- }
+ if (r < 0)
+ return log_error_errno(r, "Failed to get realtime timestamp: %m");
r = sd_journal_get_monotonic_usec(j, &monotonic, &boot_id);
- if (r < 0) {
- log_error("Failed to get monotonic timestamp: %s", strerror(-r));
- return r;
- }
+ if (r < 0)
+ return log_error_errno(r, "Failed to get monotonic timestamp: %m");
r = sd_journal_get_cursor(j, &cursor);
- if (r < 0) {
- log_error("Failed to get cursor: %s", strerror(-r));
- return r;
- }
+ if (r < 0)
+ return log_error_errno(r, "Failed to get cursor: %m");
fprintf(f,
"__CURSOR=%s\n"
- "__REALTIME_TIMESTAMP=%llu\n"
- "__MONOTONIC_TIMESTAMP=%llu\n"
+ "__REALTIME_TIMESTAMP="USEC_FMT"\n"
+ "__MONOTONIC_TIMESTAMP="USEC_FMT"\n"
"_BOOT_ID=%s\n",
cursor,
- (unsigned long long) realtime,
- (unsigned long long) monotonic,
+ realtime,
+ monotonic,
sd_id128_to_string(boot_id, sid));
- SD_JOURNAL_FOREACH_DATA(j, data, length) {
+ JOURNAL_FOREACH_DATA_RETVAL(j, data, length, r) {
/* We already printed the boot id, from the data in
* the header, hence let's suppress it here */
if (length >= 9 &&
- memcmp(data, "_BOOT_ID=", 9) == 0)
+ startswith(data, "_BOOT_ID="))
continue;
- if (!utf8_is_printable_n(data, length)) {
+ if (utf8_is_printable_newline(data, length, false))
+ fwrite(data, length, 1, f);
+ else {
const char *c;
uint64_t le64;
le64 = htole64(length - (c - (const char*) data) - 1);
fwrite(&le64, sizeof(le64), 1, f);
fwrite(c + 1, length - (c - (const char*) data) - 1, 1, f);
- } else
- fwrite(data, length, 1, f);
+ }
fputc('\n', f);
}
+ if (r < 0)
+ return r;
+
fputc('\n', f);
return 0;
fputs("null", f);
- else if (!utf8_is_printable_n(p, l)) {
+ else if (!utf8_is_printable(p, l)) {
bool not_first = false;
fputs("[ ", f);
if (*p == '"' || *p == '\\') {
fputc('\\', f);
fputc(*p, f);
- } else if (*p < ' ')
+ } else if (*p == '\n')
+ fputs("\\n", f);
+ else if (*p < ' ')
fprintf(f, "\\u%04x", *p);
else
fputc(*p, f);
sd_journal_set_data_threshold(j, flags & OUTPUT_SHOW_ALL ? 0 : JSON_THRESHOLD);
r = sd_journal_get_realtime_usec(j, &realtime);
- if (r < 0) {
- log_error("Failed to get realtime timestamp: %s", strerror(-r));
- return r;
- }
+ if (r < 0)
+ return log_error_errno(r, "Failed to get realtime timestamp: %m");
r = sd_journal_get_monotonic_usec(j, &monotonic, &boot_id);
- if (r < 0) {
- log_error("Failed to get monotonic timestamp: %s", strerror(-r));
- return r;
- }
+ if (r < 0)
+ return log_error_errno(r, "Failed to get monotonic timestamp: %m");
r = sd_journal_get_cursor(j, &cursor);
- if (r < 0) {
- log_error("Failed to get cursor: %s", strerror(-r));
- return r;
- }
+ if (r < 0)
+ return log_error_errno(r, "Failed to get cursor: %m");
if (mode == OUTPUT_JSON_PRETTY)
fprintf(f,
"{\n"
"\t\"__CURSOR\" : \"%s\",\n"
- "\t\"__REALTIME_TIMESTAMP\" : \"%llu\",\n"
- "\t\"__MONOTONIC_TIMESTAMP\" : \"%llu\",\n"
+ "\t\"__REALTIME_TIMESTAMP\" : \""USEC_FMT"\",\n"
+ "\t\"__MONOTONIC_TIMESTAMP\" : \""USEC_FMT"\",\n"
"\t\"_BOOT_ID\" : \"%s\"",
cursor,
- (unsigned long long) realtime,
- (unsigned long long) monotonic,
+ realtime,
+ monotonic,
sd_id128_to_string(boot_id, sid));
else {
if (mode == OUTPUT_JSON_SSE)
fprintf(f,
"{ \"__CURSOR\" : \"%s\", "
- "\"__REALTIME_TIMESTAMP\" : \"%llu\", "
- "\"__MONOTONIC_TIMESTAMP\" : \"%llu\", "
+ "\"__REALTIME_TIMESTAMP\" : \""USEC_FMT"\", "
+ "\"__MONOTONIC_TIMESTAMP\" : \""USEC_FMT"\", "
"\"_BOOT_ID\" : \"%s\"",
cursor,
- (unsigned long long) realtime,
- (unsigned long long) monotonic,
+ realtime,
+ monotonic,
sd_id128_to_string(boot_id, sid));
}
- h = hashmap_new(string_hash_func, string_compare_func);
+ h = hashmap_new(&string_hash_ops);
if (!h)
return -ENOMEM;
/* First round, iterate through the entry and count how often each field appears */
- SD_JOURNAL_FOREACH_DATA(j, data, length) {
+ JOURNAL_FOREACH_DATA_RETVAL(j, data, length, r) {
const char *eq;
char *n;
unsigned u;
}
}
+ if (r < 0)
+ return r;
+
separator = true;
do {
done = true;
if (r == -ENOENT)
return 0;
- log_error("Failed to get data: %s", strerror(-r));
- return r;
+ return log_error_errno(r, "Failed to get data: %m");
}
assert(l >= 8);
OutputFlags flags) = {
[OUTPUT_SHORT] = output_short,
+ [OUTPUT_SHORT_ISO] = output_short,
+ [OUTPUT_SHORT_PRECISE] = output_short,
[OUTPUT_SHORT_MONOTONIC] = output_short,
[OUTPUT_VERBOSE] = output_verbose,
[OUTPUT_EXPORT] = output_export,
sd_journal *j,
OutputMode mode,
unsigned n_columns,
- OutputFlags flags) {
+ OutputFlags flags,
+ bool *ellipsized) {
int ret;
assert(mode >= 0);
ret = output_funcs[mode](f, j, mode, n_columns, flags);
fflush(stdout);
+
+ if (ellipsized && ret > 0)
+ *ellipsized = true;
+
return ret;
}
+static int maybe_print_begin_newline(FILE *f, OutputFlags *flags) {
+ assert(f);
+ assert(flags);
+
+ if (!(*flags & OUTPUT_BEGIN_NEWLINE))
+ return 0;
+
+ /* Print a beginning new line if that's request, but only once
+ * on the first line we print. */
+
+ fputc('\n', f);
+ *flags &= ~OUTPUT_BEGIN_NEWLINE;
+ return 0;
+}
+
static int show_journal(FILE *f,
sd_journal *j,
OutputMode mode,
unsigned n_columns,
usec_t not_before,
unsigned how_many,
- OutputFlags flags) {
+ OutputFlags flags,
+ bool *ellipsized) {
int r;
unsigned line = 0;
}
line ++;
+ maybe_print_begin_newline(f, &flags);
- r = output_journal(f, j, mode, n_columns, flags);
+ r = output_journal(f, j, mode, n_columns, flags, ellipsized);
if (r < 0)
goto finish;
}
if (warn_cutoff && line < how_many && not_before > 0) {
sd_id128_t boot_id;
- usec_t cutoff;
+ usec_t cutoff = 0;
/* Check whether the cutoff line is too early */
if (r < 0)
goto finish;
- if (r > 0 && not_before < cutoff)
+ if (r > 0 && not_before < cutoff) {
+ maybe_print_begin_newline(f, &flags);
fprintf(f, "Warning: Journal has been rotated since unit was started. Log output is incomplete or unavailable.\n");
+ }
warn_cutoff = false;
}
if (!(flags & OUTPUT_FOLLOW))
break;
- r = sd_journal_wait(j, (usec_t) -1);
+ r = sd_journal_wait(j, USEC_INFINITY);
if (r < 0)
goto finish;
int add_matches_for_unit(sd_journal *j, const char *unit) {
int r;
- _cleanup_free_ char *m1 = NULL, *m2 = NULL, *m3 = NULL;
+ char *m1, *m2, *m3, *m4;
assert(j);
assert(unit);
- if (asprintf(&m1, "_SYSTEMD_UNIT=%s", unit) < 0 ||
- asprintf(&m2, "COREDUMP_UNIT=%s", unit) < 0 ||
- asprintf(&m3, "UNIT=%s", unit) < 0)
- return -ENOMEM;
+ m1 = strjoina("_SYSTEMD_UNIT=", unit);
+ m2 = strjoina("COREDUMP_UNIT=", unit);
+ m3 = strjoina("UNIT=", unit);
+ m4 = strjoina("OBJECT_SYSTEMD_UNIT=", unit);
(void)(
/* Look for messages from the service itself */
/* Look for coredumps of the service */
(r = sd_journal_add_disjunction(j)) ||
- (r = sd_journal_add_match(j,
- "MESSAGE_ID=fc2e22bc6ee647b6b90729ab34a250b1", 0)) ||
+ (r = sd_journal_add_match(j, "MESSAGE_ID=fc2e22bc6ee647b6b90729ab34a250b1", 0)) ||
+ (r = sd_journal_add_match(j, "_UID=0", 0)) ||
(r = sd_journal_add_match(j, m2, 0)) ||
/* Look for messages from PID 1 about this service */
(r = sd_journal_add_disjunction(j)) ||
(r = sd_journal_add_match(j, "_PID=1", 0)) ||
- (r = sd_journal_add_match(j, m3, 0))
+ (r = sd_journal_add_match(j, m3, 0)) ||
+
+ /* Look for messages from authorized daemons about this service */
+ (r = sd_journal_add_disjunction(j)) ||
+ (r = sd_journal_add_match(j, "_UID=0", 0)) ||
+ (r = sd_journal_add_match(j, m4, 0))
);
+
+ if (r == 0 && endswith(unit, ".slice")) {
+ char *m5 = strappend("_SYSTEMD_SLICE=", unit);
+
+ /* Show all messages belonging to a slice */
+ (void)(
+ (r = sd_journal_add_disjunction(j)) ||
+ (r = sd_journal_add_match(j, m5, 0))
+ );
+ }
+
return r;
}
int add_matches_for_user_unit(sd_journal *j, const char *unit, uid_t uid) {
int r;
- _cleanup_free_ char *m1 = NULL, *m2 = NULL, *m3 = NULL, *m4 = NULL;
+ char *m1, *m2, *m3, *m4;
+ char muid[sizeof("_UID=") + DECIMAL_STR_MAX(uid_t)];
assert(j);
assert(unit);
- if (asprintf(&m1, "_SYSTEMD_USER_UNIT=%s", unit) < 0 ||
- asprintf(&m2, "USER_UNIT=%s", unit) < 0 ||
- asprintf(&m3, "COREDUMP_USER_UNIT=%s", unit) < 0 ||
- asprintf(&m4, "_UID=%d", uid) < 0)
- return -ENOMEM;
+ m1 = strjoina("_SYSTEMD_USER_UNIT=", unit);
+ m2 = strjoina("USER_UNIT=", unit);
+ m3 = strjoina("COREDUMP_USER_UNIT=", unit);
+ m4 = strjoina("OBJECT_SYSTEMD_USER_UNIT=", unit);
+ sprintf(muid, "_UID="UID_FMT, uid);
(void) (
/* Look for messages from the user service itself */
(r = sd_journal_add_match(j, m1, 0)) ||
- (r = sd_journal_add_match(j, m4, 0)) ||
+ (r = sd_journal_add_match(j, muid, 0)) ||
/* Look for messages from systemd about this service */
(r = sd_journal_add_disjunction(j)) ||
(r = sd_journal_add_match(j, m2, 0)) ||
- (r = sd_journal_add_match(j, m4, 0)) ||
+ (r = sd_journal_add_match(j, muid, 0)) ||
/* Look for coredumps of the service */
(r = sd_journal_add_disjunction(j)) ||
(r = sd_journal_add_match(j, m3, 0)) ||
- (r = sd_journal_add_match(j, m4, 0))
+ (r = sd_journal_add_match(j, muid, 0)) ||
+ (r = sd_journal_add_match(j, "_UID=0", 0)) ||
+
+ /* Look for messages from authorized daemons about this service */
+ (r = sd_journal_add_disjunction(j)) ||
+ (r = sd_journal_add_match(j, m4, 0)) ||
+ (r = sd_journal_add_match(j, muid, 0)) ||
+ (r = sd_journal_add_match(j, "_UID=0", 0))
);
+
+ if (r == 0 && endswith(unit, ".slice")) {
+ char *m5 = strappend("_SYSTEMD_SLICE=", unit);
+
+ /* Show all messages belonging to a slice */
+ (void)(
+ (r = sd_journal_add_disjunction(j)) ||
+ (r = sd_journal_add_match(j, m5, 0)) ||
+ (r = sd_journal_add_match(j, muid, 0))
+ );
+ }
+
return r;
}
+static int get_boot_id_for_machine(const char *machine, sd_id128_t *boot_id) {
+ _cleanup_close_pair_ int pair[2] = { -1, -1 };
+ _cleanup_close_ int pidnsfd = -1, mntnsfd = -1, rootfd = -1;
+ pid_t pid, child;
+ siginfo_t si;
+ char buf[37];
+ ssize_t k;
+ int r;
+
+ assert(machine);
+ assert(boot_id);
+
+ if (!machine_name_is_valid(machine))
+ return -EINVAL;
+
+ r = container_get_leader(machine, &pid);
+ if (r < 0)
+ return r;
+
+ r = namespace_open(pid, &pidnsfd, &mntnsfd, NULL, &rootfd);
+ if (r < 0)
+ return r;
+
+ if (socketpair(AF_UNIX, SOCK_DGRAM, 0, pair) < 0)
+ return -errno;
+
+ child = fork();
+ if (child < 0)
+ return -errno;
+
+ if (child == 0) {
+ int fd;
+
+ pair[0] = safe_close(pair[0]);
+
+ r = namespace_enter(pidnsfd, mntnsfd, -1, rootfd);
+ if (r < 0)
+ _exit(EXIT_FAILURE);
+
+ fd = open("/proc/sys/kernel/random/boot_id", O_RDONLY|O_CLOEXEC|O_NOCTTY);
+ if (fd < 0)
+ _exit(EXIT_FAILURE);
+
+ r = loop_read_exact(fd, buf, 36, false);
+ safe_close(fd);
+ if (r < 0)
+ _exit(EXIT_FAILURE);
+
+ k = send(pair[1], buf, 36, MSG_NOSIGNAL);
+ if (k != 36)
+ _exit(EXIT_FAILURE);
+
+ _exit(EXIT_SUCCESS);
+ }
+
+ pair[1] = safe_close(pair[1]);
+
+ r = wait_for_terminate(child, &si);
+ if (r < 0 || si.si_code != CLD_EXITED || si.si_status != EXIT_SUCCESS)
+ return r < 0 ? r : -EIO;
+
+ k = recv(pair[0], buf, 36, 0);
+ if (k != 36)
+ return -EIO;
+
+ buf[36] = 0;
+ r = sd_id128_from_string(buf, boot_id);
+ if (r < 0)
+ return r;
+
+ return 0;
+}
+
+int add_match_this_boot(sd_journal *j, const char *machine) {
+ char match[9+32+1] = "_BOOT_ID=";
+ sd_id128_t boot_id;
+ int r;
+
+ assert(j);
+
+ if (machine) {
+ r = get_boot_id_for_machine(machine, &boot_id);
+ if (r < 0)
+ return log_error_errno(r, "Failed to get boot id of container %s: %m", machine);
+ } else {
+ r = sd_id128_get_boot(&boot_id);
+ if (r < 0)
+ return log_error_errno(r, "Failed to get boot id: %m");
+ }
+
+ sd_id128_to_string(boot_id, match + 9);
+ r = sd_journal_add_match(j, match, strlen(match));
+ if (r < 0)
+ return log_error_errno(r, "Failed to add match: %m");
+
+ r = sd_journal_add_conjunction(j);
+ if (r < 0)
+ return r;
+
+ return 0;
+}
+
int show_journal_by_unit(
FILE *f,
const char *unit,
unsigned how_many,
uid_t uid,
OutputFlags flags,
- bool system) {
+ int journal_open_flags,
+ bool system_unit,
+ bool *ellipsized) {
_cleanup_journal_close_ sd_journal*j = NULL;
int r;
- int jflags = SD_JOURNAL_LOCAL_ONLY | system * SD_JOURNAL_SYSTEM_ONLY;
assert(mode >= 0);
assert(mode < _OUTPUT_MODE_MAX);
if (how_many <= 0)
return 0;
- r = sd_journal_open(&j, jflags);
+ r = sd_journal_open(&j, journal_open_flags);
if (r < 0)
return r;
- if (system)
+ r = add_match_this_boot(j, NULL);
+ if (r < 0)
+ return r;
+
+ if (system_unit)
r = add_matches_for_unit(j, unit);
else
r = add_matches_for_user_unit(j, unit, uid);
if (r < 0)
return r;
- r = show_journal(f, j, mode, n_columns, not_before, how_many, flags);
- if (r < 0)
- return r;
+ if (_unlikely_(log_get_max_level() >= LOG_DEBUG)) {
+ _cleanup_free_ char *filter;
- return 0;
+ filter = journal_make_match_string(j);
+ log_debug("Journal filter: %s", filter);
+ }
+
+ return show_journal(f, j, mode, n_columns, not_before, how_many, flags, ellipsized);
}
static const char *const output_mode_table[_OUTPUT_MODE_MAX] = {
[OUTPUT_SHORT] = "short",
+ [OUTPUT_SHORT_ISO] = "short-iso",
+ [OUTPUT_SHORT_PRECISE] = "short-precise",
[OUTPUT_SHORT_MONOTONIC] = "short-monotonic",
[OUTPUT_VERBOSE] = "verbose",
[OUTPUT_EXPORT] = "export",
~ianmdlvl / elogind.git / blobdiff