diff options
Diffstat (limited to 'src')
-rw-r--r-- | src/shared/log.c | 132 | ||||
-rw-r--r-- | src/shared/log.h | 43 | ||||
-rw-r--r-- | src/udev/udev-builtin-kmod.c | 24 |
3 files changed, 97 insertions, 102 deletions
diff --git a/src/shared/log.c b/src/shared/log.c index d19103a1e2..6ed18e36da 100644 --- a/src/shared/log.c +++ b/src/shared/log.c @@ -102,8 +102,8 @@ void log_close_syslog(void) { } static int create_log_socket(int type) { - int fd; struct timeval tv; + int fd; fd = socket(AF_UNIX, type|SOCK_CLOEXEC, 0); if (fd < 0) @@ -118,18 +118,20 @@ 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; } static int log_open_syslog(void) { - int r; - union sockaddr_union sa = { + + static const union sockaddr_union sa = { .un.sun_family = AF_UNIX, .un.sun_path = "/dev/log", }; + int r; + if (syslog_fd >= 0) return 0; @@ -240,10 +242,11 @@ void log_set_max_level(int level) { static int write_to_console( int level, - const char*file, + int error, + const char *file, int line, const char *func, - const char *object_name, + const char *object_field, const char *object, const char *buffer) { @@ -294,15 +297,16 @@ 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]; + char header_priority[1 + DECIMAL_STR_MAX(int) + 2], header_time[64], header_pid[1 + DECIMAL_STR_MAX(pid_t) + 4]; struct iovec iovec[5] = {}; struct msghdr msghdr = { .msg_iov = iovec, @@ -356,15 +360,16 @@ 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]; + char header_priority[1 + DECIMAL_STR_MAX(int) + 2], header_pid[1 + DECIMAL_STR_MAX(pid_t) + 4]; struct iovec iovec[5] = {}; if (kmsg_fd < 0) @@ -388,45 +393,15 @@ 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) { - snprintf(header, size, - "PRIORITY=%i\n" - "SYSLOG_FACILITY=%i\n" - "%s%.*s%s" - "%s%.*i%s" - "%s%.*s%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" : "", - 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" : "", - program_invocation_short_name); - header[size - 1] = '\0'; - return 0; -} - 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; @@ -455,8 +430,7 @@ 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(); @@ -471,8 +445,7 @@ static int log_dispatch( log_target == LOG_TARGET_SYSLOG_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(); @@ -481,8 +454,7 @@ 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; } @@ -495,6 +467,7 @@ static int log_dispatch( int log_metav( int level, + int error, const char*file, int line, const char *func, @@ -510,27 +483,34 @@ int log_metav( 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; } -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)) @@ -543,7 +523,7 @@ 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) { @@ -557,7 +537,7 @@ noreturn void log_assert_failed_unreachable(const char *text, const char *file, } 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; } diff --git a/src/shared/log.h b/src/shared/log.h index 30f0cacb65..7d65aec055 100644 --- a/src/shared/log.h +++ b/src/shared/log.h @@ -54,24 +54,27 @@ void log_close_console(void); int log_meta( int level, + int error, const char*file, int line, const char *func, - const char *format, ...) _printf_(5,6); + const char *format, ...) _printf_(6,7); int log_metav( int level, + int error, const char*file, int line, const char *func, const char *format, - va_list ap) _printf_(5,0); + va_list ap) _printf_(6,0); int log_oom_internal( const char *file, int line, const char *func); +/* Logging for various assertions */ noreturn void log_assert_failed( const char *text, const char *file, @@ -85,17 +88,30 @@ noreturn void log_assert_failed_unreachable( const char *func); -#define log_full(level, ...) \ -do { \ - if (log_get_max_level() >= (level)) \ - log_meta((level), __FILE__, __LINE__, __func__, __VA_ARGS__); \ -} while (0) +/* Logging with level */ +#define log_full_errno(level, error, ...) \ + do { \ + if (log_get_max_level() >= (level)) \ + log_meta((level), error, __FILE__, __LINE__, __func__, __VA_ARGS__); \ + } while (false) -#define log_debug(...) log_full(LOG_DEBUG, __VA_ARGS__) -#define log_info(...) log_full(LOG_INFO, __VA_ARGS__) -#define log_notice(...) log_full(LOG_NOTICE, __VA_ARGS__) -#define log_warning(...) log_full(LOG_WARNING, __VA_ARGS__) -#define log_error(...) log_full(LOG_ERR, __VA_ARGS__) +#define log_full(level, ...) log_full_errno(level, 0, __VA_ARGS__) + +/* Normal logging */ +#define log_debug(...) log_full(LOG_DEBUG, __VA_ARGS__) +#define log_info(...) log_full(LOG_INFO, __VA_ARGS__) +#define log_notice(...) log_full(LOG_NOTICE, __VA_ARGS__) +#define log_warning(...) log_full(LOG_WARNING, __VA_ARGS__) +#define log_error(...) log_full(LOG_ERR, __VA_ARGS__) +#define log_emergency(...) log_full(getpid() == 1 ? LOG_EMERG : LOG_ERR, __VA_ARGS__) + +/* Logging triggered by an errno-like error */ +#define log_debug_errno(error, ...) log_full_errno(LOG_DEBUG, error, __VA_ARGS__) +#define log_info_errno(error, ...) log_full_errno(LOG_INFO, error, __VA_ARGS__) +#define log_notice_errno(error, ...) log_full_errno(LOG_NOTICE, error, __VA_ARGS__) +#define log_warning_errno(error, ...) log_full_errno(LOG_WARNING, error, __VA_ARGS__) +#define log_error_errno(error, ...) log_full_errno(LOG_ERR, error, __VA_ARGS__) +#define log_emergency_errno(error, ...) log_full_errno(getpid() == 1 ? LOG_EMERG : LOG_ERR, error, __VA_ARGS__) #ifdef LOG_TRACE # define log_trace(...) log_debug(__VA_ARGS__) @@ -103,7 +119,8 @@ do { \ # define log_trace(...) do {} while(0) #endif -#define log_struct(level, ...) log_struct_internal(level, __FILE__, __LINE__, __func__, __VA_ARGS__) +/* This modifies the buffer passed! */ +//#define log_dump(level, buffer) log_dump_internal(level, 0, __FILE__, __LINE__, __func__, buffer) #define log_oom() log_oom_internal(__FILE__, __LINE__, __func__) diff --git a/src/udev/udev-builtin-kmod.c b/src/udev/udev-builtin-kmod.c index 5c50f7856d..0d9c9d9c1a 100644 --- a/src/udev/udev-builtin-kmod.c +++ b/src/udev/udev-builtin-kmod.c @@ -34,7 +34,7 @@ #include "udev.h" -static struct kmod_ctx *ctx; +static struct kmod_ctx *ctx = NULL; static int load_module(struct udev *udev, const char *alias) { int err; @@ -47,18 +47,18 @@ static int load_module(struct udev *udev, const char *alias) { return err; if (list == NULL) - log_debug("no module matches '%s'", alias); + log_debug("No module matches '%s'", alias); kmod_list_foreach(l, list) { struct kmod_module *mod = kmod_module_get_module(l); err = kmod_module_probe_insert_module(mod, KMOD_PROBE_APPLY_BLACKLIST, NULL, NULL, NULL, NULL); if (err == KMOD_PROBE_APPLY_BLACKLIST) - log_debug("module '%s' is blacklisted", kmod_module_get_name(mod)); + log_debug("Module '%s' is blacklisted", kmod_module_get_name(mod)); else if (err == 0) - log_debug("inserted '%s'", kmod_module_get_name(mod)); + log_debug("Inserted '%s'", kmod_module_get_name(mod)); else - log_debug("failed to insert '%s'", kmod_module_get_name(mod)); + log_debug("Failed to insert '%s'", kmod_module_get_name(mod)); kmod_module_unref(mod); } @@ -85,10 +85,8 @@ static int load_module(struct udev *udev, const char *alias) { return err; } -_printf_(6,0) -static void udev_kmod_log(void *data, int priority, const char *file, int line, - const char *fn, const char *format, va_list args) { - log_metav(priority, file, line, fn, format, args); +_printf_(6,0) static void udev_kmod_log(void *data, int priority, const char *file, int line, const char *fn, const char *format, va_list args) { + log_metav(priority, 0, file, line, fn, format, args); } static int builtin_kmod(struct udev_device *dev, int argc, char *argv[], bool test) { @@ -106,7 +104,7 @@ static int builtin_kmod(struct udev_device *dev, int argc, char *argv[], bool te } for (i = 2; argv[i]; i++) { - log_debug("execute '%s' '%s'", argv[1], argv[i]); + log_debug("Execute '%s' '%s'", argv[1], argv[i]); load_module(udev, argv[i]); } @@ -123,7 +121,7 @@ static int builtin_kmod_init(struct udev *udev) { if (!ctx) return -ENOMEM; - log_debug("load module index"); + log_debug("Load module index"); kmod_set_log_fn(ctx, udev_kmod_log, udev); kmod_load_resources(ctx); #endif @@ -133,7 +131,7 @@ static int builtin_kmod_init(struct udev *udev) { /* called on udev shutdown and reload request */ static void builtin_kmod_exit(struct udev *udev) { #ifdef HAVE_LIBKMOD - log_debug("unload module index"); + log_debug("Unload module index"); ctx = kmod_unref(ctx); #endif } @@ -141,7 +139,7 @@ static void builtin_kmod_exit(struct udev *udev) { #ifdef HAVE_LIBKMOD /* called every couple of seconds during event activity; 'true' if config has changed */ static bool builtin_kmod_validate(struct udev *udev) { - log_debug("validate module index"); + log_debug("Validate module index"); if (!ctx) return false; return (kmod_validate_resources(ctx) != KMOD_RESOURCES_OK); |