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-rw-r--r--src/shared/logs-show.c183
1 files changed, 112 insertions, 71 deletions
diff --git a/src/shared/logs-show.c b/src/shared/logs-show.c
index d04728f505..f9d9c4ed62 100644
--- a/src/shared/logs-show.c
+++ b/src/shared/logs-show.c
@@ -45,6 +45,7 @@
#include "parse-util.h"
#include "process-util.h"
#include "sparse-endian.h"
+#include "stdio-util.h"
#include "string-table.h"
#include "string-util.h"
#include "terminal-util.h"
@@ -206,6 +207,108 @@ static bool print_multiline(FILE *f, unsigned prefix, unsigned n_columns, Output
return ellipsized;
}
+static int output_timestamp_monotonic(FILE *f, sd_journal *j, const char *monotonic) {
+ sd_id128_t boot_id;
+ uint64_t t;
+ int r;
+
+ assert(f);
+ assert(j);
+
+ r = -ENXIO;
+ if (monotonic)
+ r = safe_atou64(monotonic, &t);
+ if (r < 0)
+ r = sd_journal_get_monotonic_usec(j, &t, &boot_id);
+ 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),
+ (unsigned long long) (t % USEC_PER_SEC));
+
+ return 1 + 5 + 1 + 6 + 1;
+}
+
+static int output_timestamp_realtime(FILE *f, sd_journal *j, OutputMode mode, OutputFlags flags, const char *realtime) {
+ char buf[MAX(FORMAT_TIMESTAMP_MAX, 64)];
+ struct tm *(*gettime_r)(const time_t *, struct tm *);
+ struct tm tm;
+ uint64_t x;
+ time_t t;
+ int r;
+
+ assert(f);
+ assert(j);
+
+ r = -ENXIO;
+ if (realtime)
+ r = safe_atou64(realtime, &x);
+ if (r < 0)
+ r = sd_journal_get_realtime_usec(j, &x);
+ if (r < 0)
+ return log_error_errno(r, "Failed to get realtime timestamp: %m");
+
+ if (mode == OUTPUT_SHORT_FULL) {
+ const char *k;
+
+ if (flags & OUTPUT_UTC)
+ k = format_timestamp_utc(buf, sizeof(buf), x);
+ else
+ k = format_timestamp(buf, sizeof(buf), x);
+ if (!k) {
+ log_error("Failed to format timestamp.");
+ return -EINVAL;
+ }
+
+ } else {
+ gettime_r = (flags & OUTPUT_UTC) ? gmtime_r : localtime_r;
+ t = (time_t) (x / USEC_PER_SEC);
+
+ switch (mode) {
+
+ case OUTPUT_SHORT_UNIX:
+ xsprintf(buf, "%10llu.%06llu", (unsigned long long) t, (unsigned long long) (x % USEC_PER_SEC));
+ break;
+
+ case OUTPUT_SHORT_ISO:
+ if (strftime(buf, sizeof(buf), "%Y-%m-%dT%H:%M:%S%z", gettime_r(&t, &tm)) <= 0) {
+ log_error("Failed for format ISO time");
+ return -EINVAL;
+ }
+ break;
+
+ case OUTPUT_SHORT:
+ case OUTPUT_SHORT_PRECISE:
+
+ if (strftime(buf, sizeof(buf), "%b %d %H:%M:%S", gettime_r(&t, &tm)) <= 0) {
+ log_error("Failed to format syslog time");
+ return -EINVAL;
+ }
+
+ if (mode == OUTPUT_SHORT_PRECISE) {
+ size_t k;
+
+ assert(sizeof(buf) > strlen(buf));
+ k = sizeof(buf) - strlen(buf);
+
+ r = snprintf(buf + strlen(buf), k, ".%06llu", (unsigned long long) (x % USEC_PER_SEC));
+ if (r <= 0 || (size_t) r >= k) { /* too long? */
+ log_error("Failed to format precise time");
+ return -EINVAL;
+ }
+ }
+ break;
+
+ default:
+ assert_not_reached("Unknown time format");
+ }
+ }
+
+ fputs(buf, f);
+ return (int) strlen(buf);
+}
+
static int output_short(
FILE *f,
sd_journal *j,
@@ -305,78 +408,15 @@ static int output_short(
if (priority_len == 1 && *priority >= '0' && *priority <= '7')
p = *priority - '0';
- if (mode == OUTPUT_SHORT_MONOTONIC) {
- uint64_t t;
- sd_id128_t boot_id;
-
- r = -ENOENT;
-
- if (monotonic)
- r = safe_atou64(monotonic, &t);
-
- if (r < 0)
- r = sd_journal_get_monotonic_usec(j, &t, &boot_id);
-
- 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),
- (unsigned long long) (t % USEC_PER_SEC));
-
- n += 1 + 5 + 1 + 6 + 1;
-
- } else {
- char buf[64];
- 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)
- return log_error_errno(r, "Failed to get realtime timestamp: %m");
-
- t = (time_t) (x / USEC_PER_SEC);
-
- switch (mode) {
-
- case OUTPUT_SHORT_UNIX:
- r = snprintf(buf, sizeof(buf), "%10llu.%06llu", (unsigned long long) t, (unsigned long long) (x % USEC_PER_SEC));
- break;
-
- 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 -EINVAL;
- }
-
- fputs(buf, f);
- n += strlen(buf);
- }
+ if (mode == OUTPUT_SHORT_MONOTONIC)
+ r = output_timestamp_monotonic(f, j, monotonic);
+ else
+ r = output_timestamp_realtime(f, j, mode, flags, realtime);
+ if (r < 0)
+ return r;
+ n += r;
- if (hostname && (flags & OUTPUT_NO_HOSTNAME)) {
+ if (flags & OUTPUT_NO_HOSTNAME) {
/* Suppress display of the hostname if this is requested. */
hostname = NULL;
hostname_len = 0;
@@ -910,6 +950,7 @@ static int (*output_funcs[_OUTPUT_MODE_MAX])(
[OUTPUT_SHORT_PRECISE] = output_short,
[OUTPUT_SHORT_MONOTONIC] = output_short,
[OUTPUT_SHORT_UNIX] = output_short,
+ [OUTPUT_SHORT_FULL] = output_short,
[OUTPUT_VERBOSE] = output_verbose,
[OUTPUT_EXPORT] = output_export,
[OUTPUT_JSON] = output_json,
generated by cgit v1.2.3-54-g00ecf (git 2.45.2) at 2024-11-03 12:20:36 +0000