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Diffstat (limited to 'src/shared/log.c')
-rw-r--r--src/shared/log.c218
1 files changed, 122 insertions, 96 deletions
diff --git a/src/shared/log.c b/src/shared/log.c
index d465311d02..ba959b914e 100644
--- a/src/shared/log.c
+++ b/src/shared/log.c
@@ -122,7 +122,7 @@ static int create_log_socket(int type) {
timeval_store(&tv, 10 * USEC_PER_MSEC);
else
timeval_store(&tv, 10 * USEC_PER_SEC);
- (void)setsockopt(fd, SOL_SOCKET, SO_SNDTIMEO, &tv, sizeof(tv));
+ (void) setsockopt(fd, SOL_SOCKET, SO_SNDTIMEO, &tv, sizeof(tv));
return fd;
}
@@ -302,10 +302,11 @@ void log_set_facility(int facility) {
static int write_to_console(
int level,
+ int error,
const char*file,
int line,
const char *func,
- const char *object_name,
+ const char *object_field,
const char *object,
const char *buffer) {
@@ -356,13 +357,14 @@ static int write_to_console(
}
static int write_to_syslog(
- int level,
- const char*file,
- int line,
- const char *func,
- const char *object_name,
- const char *object,
- const char *buffer) {
+ int level,
+ int error,
+ const char*file,
+ int line,
+ const char *func,
+ const char *object_field,
+ const char *object,
+ const char *buffer) {
char header_priority[16], header_time[64], header_pid[16];
struct iovec iovec[5] = {};
@@ -418,13 +420,14 @@ static int write_to_syslog(
}
static int write_to_kmsg(
- int level,
- const char*file,
- int line,
- const char *func,
- const char *object_name,
- const char *object,
- const char *buffer) {
+ int level,
+ int error,
+ const char*file,
+ int line,
+ const char *func,
+ const char *object_field,
+ const char *object,
+ const char *buffer) {
char header_priority[16], header_pid[16];
struct iovec iovec[5] = {};
@@ -450,45 +453,55 @@ static int write_to_kmsg(
return 1;
}
-static int log_do_header(char *header, size_t size,
- int level,
- const char *file, int line, const char *func,
- const char *object_name, const char *object) {
+static int log_do_header(
+ char *header,
+ size_t size,
+ int level,
+ int error,
+ const char *file, int line, const char *func,
+ const char *object_field, const char *object) {
+
snprintf(header, size,
"PRIORITY=%i\n"
"SYSLOG_FACILITY=%i\n"
- "%s%.*s%s"
+ "%s%s%s"
"%s%.*i%s"
- "%s%.*s%s"
- "%s%.*s%s"
+ "%s%s%s"
+ "%s%.*i%s"
+ "%s%s%s"
"SYSLOG_IDENTIFIER=%s\n",
LOG_PRI(level),
LOG_FAC(level),
- file ? "CODE_FILE=" : "",
- file ? LINE_MAX : 0, file, /* %.0s means no output */
- file ? "\n" : "",
+ isempty(file) ? "" : "CODE_FILE=",
+ isempty(file) ? "" : file,
+ isempty(file) ? "" : "\n",
line ? "CODE_LINE=" : "",
line ? 1 : 0, line, /* %.0d means no output too, special case for 0 */
line ? "\n" : "",
- func ? "CODE_FUNCTION=" : "",
- func ? LINE_MAX : 0, func,
- func ? "\n" : "",
- object ? object_name : "",
- object ? LINE_MAX : 0, object, /* %.0s means no output */
- object ? "\n" : "",
+ isempty(func) ? "" : "CODE_FUNCTION=",
+ isempty(func) ? "" : func,
+ isempty(func) ? "" : "\n",
+ error ? "ERRNO=" : "",
+ error ? 1 : 0, error,
+ error ? "\n" : "",
+ isempty(object) ? "" : object_field,
+ isempty(object) ? "" : object,
+ isempty(object) ? "" : "\n",
program_invocation_short_name);
header[size - 1] = '\0';
+
return 0;
}
static int write_to_journal(
- int level,
- const char*file,
- int line,
- const char *func,
- const char *object_name,
- const char *object,
- const char *buffer) {
+ int level,
+ int error,
+ const char*file,
+ int line,
+ const char *func,
+ const char *object_field,
+ const char *object,
+ const char *buffer) {
char header[LINE_MAX];
struct iovec iovec[4] = {};
@@ -497,8 +510,7 @@ static int write_to_journal(
if (journal_fd < 0)
return 0;
- log_do_header(header, sizeof(header), level,
- file, line, func, object_name, object);
+ log_do_header(header, sizeof(header), level, error, file, line, func, object_field, object);
IOVEC_SET_STRING(iovec[0], header);
IOVEC_SET_STRING(iovec[1], "MESSAGE=");
@@ -515,13 +527,14 @@ static int write_to_journal(
}
static int log_dispatch(
- int level,
- const char*file,
- int line,
- const char *func,
- const char *object_name,
- const char *object,
- char *buffer) {
+ int level,
+ int error,
+ const char*file,
+ int line,
+ const char *func,
+ const char *object_field,
+ const char *object,
+ char *buffer) {
int r = 0;
@@ -548,8 +561,7 @@ static int log_dispatch(
log_target == LOG_TARGET_JOURNAL_OR_KMSG ||
log_target == LOG_TARGET_JOURNAL) {
- k = write_to_journal(level, file, line, func,
- object_name, object, buffer);
+ k = write_to_journal(level, error, file, line, func, object_field, object, buffer);
if (k < 0) {
if (k != -EAGAIN)
log_close_journal();
@@ -561,8 +573,7 @@ static int log_dispatch(
if (log_target == LOG_TARGET_SYSLOG_OR_KMSG ||
log_target == LOG_TARGET_SYSLOG) {
- k = write_to_syslog(level, file, line, func,
- object_name, object, buffer);
+ k = write_to_syslog(level, error, file, line, func, object_field, object, buffer);
if (k < 0) {
if (k != -EAGAIN)
log_close_syslog();
@@ -578,8 +589,7 @@ static int log_dispatch(
log_target == LOG_TARGET_JOURNAL_OR_KMSG ||
log_target == LOG_TARGET_KMSG)) {
- k = write_to_kmsg(level, file, line, func,
- object_name, object, buffer);
+ k = write_to_kmsg(level, error, file, line, func, object_field, object, buffer);
if (k < 0) {
log_close_kmsg();
log_open_console();
@@ -588,8 +598,7 @@ static int log_dispatch(
}
if (k <= 0) {
- k = write_to_console(level, file, line, func,
- object_name, object, buffer);
+ k = write_to_console(level, error, file, line, func, object_field, object, buffer);
if (k < 0)
return k;
}
@@ -602,6 +611,7 @@ static int log_dispatch(
int log_dump_internal(
int level,
+ int error,
const char*file,
int line,
const char *func,
@@ -614,16 +624,17 @@ int log_dump_internal(
if (_likely_(LOG_PRI(level) > log_max_level))
return 0;
- return log_dispatch(level, file, line, func, NULL, NULL, buffer);
+ return log_dispatch(level, error, file, line, func, NULL, NULL, buffer);
}
int log_metav(
- int level,
- const char*file,
- int line,
- const char *func,
- const char *format,
- va_list ap) {
+ int level,
+ int error,
+ const char*file,
+ int line,
+ const char *func,
+ const char *format,
+ va_list ap) {
PROTECT_ERRNO;
char buffer[LINE_MAX];
@@ -631,38 +642,44 @@ int log_metav(
if (_likely_(LOG_PRI(level) > log_max_level))
return 0;
+ /* Make sure that %m maps to the specified error */
+ if (error != 0)
+ errno = error;
+
vsnprintf(buffer, sizeof(buffer), format, ap);
char_array_0(buffer);
- return log_dispatch(level, file, line, func, NULL, NULL, buffer);
+ return log_dispatch(level, error, file, line, func, NULL, NULL, buffer);
}
int log_meta(
- int level,
- const char*file,
- int line,
- const char *func,
- const char *format, ...) {
+ int level,
+ int error,
+ const char*file,
+ int line,
+ const char *func,
+ const char *format, ...) {
int r;
va_list ap;
va_start(ap, format);
- r = log_metav(level, file, line, func, format, ap);
+ r = log_metav(level, error, file, line, func, format, ap);
va_end(ap);
return r;
}
int log_metav_object(
- int level,
- const char*file,
- int line,
- const char *func,
- const char *object_name,
- const char *object,
- const char *format,
- va_list ap) {
+ int level,
+ int error,
+ const char*file,
+ int line,
+ const char *func,
+ const char *object_field,
+ const char *object,
+ const char *format,
+ va_list ap) {
PROTECT_ERRNO;
char buffer[LINE_MAX];
@@ -670,34 +687,44 @@ int log_metav_object(
if (_likely_(LOG_PRI(level) > log_max_level))
return 0;
+ /* Make sure that %m maps to the specified error */
+ if (error != 0)
+ errno = error;
+
vsnprintf(buffer, sizeof(buffer), format, ap);
char_array_0(buffer);
- return log_dispatch(level, file, line, func,
- object_name, object, buffer);
+ return log_dispatch(level, error, file, line, func, object_field, object, buffer);
}
int log_meta_object(
- int level,
- const char*file,
- int line,
- const char *func,
- const char *object_name,
- const char *object,
- const char *format, ...) {
+ int level,
+ int error,
+ const char*file,
+ int line,
+ const char *func,
+ const char *object_field,
+ const char *object,
+ const char *format, ...) {
int r;
va_list ap;
va_start(ap, format);
- r = log_metav_object(level, file, line, func,
- object_name, object, format, ap);
+ r = log_metav_object(level, error, file, line, func, object_field, object, format, ap);
va_end(ap);
return r;
}
-static void log_assert(int level, const char *text, const char *file, int line, const char *func, const char *format) {
+static void log_assert(
+ int level,
+ const char *text,
+ const char *file,
+ int line,
+ const char *func,
+ const char *format) {
+
static char buffer[LINE_MAX];
if (_likely_(LOG_PRI(level) > log_max_level))
@@ -710,7 +737,7 @@ static void log_assert(int level, const char *text, const char *file, int line,
char_array_0(buffer);
log_abort_msg = buffer;
- log_dispatch(level, file, line, func, NULL, NULL, buffer);
+ log_dispatch(level, 0, file, line, func, NULL, NULL, buffer);
}
noreturn void log_assert_failed(const char *text, const char *file, int line, const char *func) {
@@ -729,12 +756,13 @@ void log_assert_failed_return(const char *text, const char *file, int line, cons
}
int log_oom_internal(const char *file, int line, const char *func) {
- log_meta(LOG_ERR, file, line, func, "Out of memory.");
+ log_meta(LOG_ERR, ENOMEM, file, line, func, "Out of memory.");
return -ENOMEM;
}
int log_struct_internal(
int level,
+ int error,
const char *file,
int line,
const char *func,
@@ -767,8 +795,7 @@ int log_struct_internal(
static const char nl = '\n';
/* If the journal is available do structured logging */
- log_do_header(header, sizeof(header), level,
- file, line, func, NULL, NULL);
+ log_do_header(header, sizeof(header), level, error, file, line, func, NULL, NULL);
IOVEC_SET_STRING(iovec[n++], header);
va_start(ap, format);
@@ -840,8 +867,7 @@ int log_struct_internal(
va_end(ap);
if (found)
- r = log_dispatch(level, file, line, func,
- NULL, NULL, buf + 8);
+ r = log_dispatch(level, error, file, line, func, NULL, NULL, buf + 8);
else
r = -EINVAL;
}
generated by cgit v1.2.3-54-g00ecf (git 2.45.2) at 2024-11-23 19:00:53 +0000