-/*
+/*-*- Mode: C; c-basic-offset: 8; indent-tabs-mode: t -*-
* DLOG
* Copyright (c) 2005-2008, The Android Open Source Project
* Copyright (c) 2012-2013 Samsung Electronics Co., Ltd.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
+#include "config.h"
#include <pthread.h>
#include <stdlib.h>
#include <string.h>
#include <stdio.h>
#include <errno.h>
#include <dlog.h>
-#ifdef SD_JOURNAL_SUPPORT
+#ifdef HAVE_SYSTEMD_JOURNAL
+#define SD_JOURNAL_SUPPRESS_LOCATION 1
#include <syslog.h>
#include <systemd/sd-journal.h>
#endif
#define LOG_SYSTEM "log_system"
#define LOG_APPS "log_apps"
-static int log_fds[(int)LOG_ID_MAX] = { -1, -1, -1, -1 };
-
-static int g_logging_on = 1;
-static int g_dlog_level = DLOG_SILENT;
+#define VALUE_MAX 2
+#define PLATFORMLOG_CONF "/tmp/.platformlog.conf"
+#define PLATFORMLOG_ORG_CONF "/opt/etc/platformlog.conf"
-static int __dlog_init(log_id_t, log_priority, const char *tag, const char *msg);
-static int (*write_to_log)(log_id_t, log_priority, const char *tag, const char *msg) = __dlog_init;
+static int platformlog = 0;
+static int log_fds[(int)LOG_ID_MAX] = { -1, -1, -1, -1 };
+static int (*write_to_log)(log_id_t, log_priority, const char *tag, const char *msg) = NULL;
static pthread_mutex_t log_init_lock = PTHREAD_MUTEX_INITIALIZER;
+
static int __write_to_log_null(log_id_t log_id, log_priority prio, const char *tag, const char *msg)
{
return -1;
int log_fd;
struct iovec vec[3];
- if (log_id < LOG_ID_APPS) {
- if(prio < g_dlog_level) {
- return 0;
- }
- } else if (LOG_ID_MAX <= log_id) {
- return 0;
- }
if (log_id < LOG_ID_MAX)
log_fd = log_fds[log_id];
else
return ret;
}
+
static char dlog_pri_to_char (log_priority pri)
{
- switch (pri) {
- case DLOG_VERBOSE: return 'V';
- case DLOG_DEBUG: return 'D';
- case DLOG_INFO: return 'I';
- case DLOG_WARN: return 'W';
- case DLOG_ERROR: return 'E';
- case DLOG_FATAL: return 'F';
- case DLOG_SILENT: return 'S';
-
- case DLOG_DEFAULT:
- case DLOG_UNKNOWN:
- default:
- return '?';
- }
+ static const char pri_table[DLOG_PRIO_MAX] = {
+ [DLOG_VERBOSE] = 'V',
+ [DLOG_DEBUG] = 'D',
+ [DLOG_INFO] = 'I',
+ [DLOG_WARN] = 'W',
+ [DLOG_ERROR] = 'E',
+ [DLOG_FATAL] = 'F',
+ [DLOG_SILENT] = 'S',
+ };
+
+ if (pri < 0 || DLOG_PRIO_MAX <= pri || !pri_table[pri])
+ return '?';
+ return pri_table[pri];
}
-#ifdef SD_JOURNAL_SUPPORT
-static int dlog_pri_to_journal_pri(log_priority prio)
+
+#ifdef HAVE_SYSTEMD_JOURNAL
+static inline int dlog_pri_to_journal_pri(log_priority prio)
{
- int journal_prio = LOG_DEBUG;
-
- switch(prio) {
- case DLOG_UNKNOWN:
- case DLOG_DEFAULT:
- case DLOG_VERBOSE:
- journal_prio = LOG_DEBUG;
- break;
- case DLOG_DEBUG:
- journal_prio = LOG_DEBUG;
- break;
- case DLOG_INFO:
- journal_prio = LOG_INFO;
- break;
- case DLOG_WARN:
- journal_prio = LOG_WARNING;
- break;
- case DLOG_ERROR:
- journal_prio = LOG_ERR;
- break;
- case DLOG_FATAL:
- journal_prio = LOG_CRIT;
- break;
- case DLOG_SILENT:
- default:
- journal_prio = -1;
- break;
- }
- return journal_prio;
+ static int pri_table[DLOG_PRIO_MAX] = {
+ [DLOG_UNKNOWN] = LOG_DEBUG,
+ [DLOG_DEFAULT] = LOG_DEBUG,
+ [DLOG_VERBOSE] = LOG_DEBUG,
+ [DLOG_DEBUG] = LOG_DEBUG,
+ [DLOG_INFO] = LOG_INFO,
+ [DLOG_WARN] = LOG_WARNING,
+ [DLOG_ERROR] = LOG_ERR,
+ [DLOG_FATAL] = LOG_CRIT,
+ [DLOG_SILENT] = -1,
+ };
+
+ if (prio < 0 || prio >= DLOG_PRIO_MAX)
+ return -EINVAL;
+
+ return pri_table[prio];
}
-static int __write_to_log_sd_journal_print(log_id_t log_id, log_priority prio, const char *tag, const char *msg)
+
+static inline const char* dlog_id_to_string(log_id_t log_id)
{
- ssize_t ret;
- int log_fd;
+ static const char* id_table[LOG_ID_MAX] = {
+ [LOG_ID_MAIN] = LOG_MAIN,
+ [LOG_ID_RADIO] = LOG_RADIO,
+ [LOG_ID_SYSTEM] = LOG_SYSTEM,
+ [LOG_ID_APPS] = LOG_APPS,
+ };
- if (log_id < LOG_ID_APPS) {
- if(prio < g_dlog_level) {
- return 0;
- }
- } else if (LOG_ID_MAX <= log_id) {
- return 0;
- }
- if (log_id < LOG_ID_MAX)
- log_fd = log_fds[log_id];
- else
- return -1;
- return sd_journal_print(dlog_pri_to_journal_pri(prio), "%c %s: %s",dlog_pri_to_char(prio), tag, msg);
+ if (log_id < 0 || log_id >= LOG_ID_MAX || !id_table[log_id])
+ return "UNKNOWN";
+
+ return id_table[log_id];
+}
+
+static int __write_to_log_sd_journal(log_id_t log_id, log_priority prio, const char *tag, const char *msg)
+{
+ /* XXX: sd_journal_sendv() with manually filed iov-s might be faster */
+ return sd_journal_send("MESSAGE=%s", msg,
+ "PRIORITY=%i", dlog_pri_to_journal_pri(prio),
+ "DLOG_PRIORITY=%d", prio,
+ "DLOG_TAG=%s", tag,
+ "DLOG_ID=%s", dlog_id_to_string(log_id),
+ NULL);
}
#endif
-void init_dlog_level(void)
+
+static int __read_config(char *file, int *value)
{
- char *dlog_level_env;
- char *logging_mode_env;
- if (g_logging_on) {
- logging_mode_env = getenv("TIZEN_PLATFORMLOGGING_MODE");
- if (!logging_mode_env)
- g_logging_on = 0;
- else
- g_logging_on = atoi(logging_mode_env);
+ int fd, ret;
+ char val[VALUE_MAX];
+
+ if (file == NULL || value == NULL)
+ return 0;
+ memset(val, 0, sizeof(val));
+ fd = open(file, O_RDONLY);
+ if (fd < 0) {
+ return 0;
}
- if (g_logging_on) {
- dlog_level_env = getenv("TIZEN_DLOG_LEVEL");
- if (!dlog_level_env) {
- g_dlog_level = 8;
- } else {
- g_dlog_level = atoi(dlog_level_env);
- }
- } else
- g_dlog_level = 8;
+ ret = read(fd, val, 1);
+ close(fd);
+ if (ret != 1)
+ return 0;
+ *value = atoi(val);
+ return 1;
+}
+
+static void __configure(void)
+{
+ int ret;
+ ret = __read_config(PLATFORMLOG_CONF, &platformlog);
+ if (!ret)
+ ret = __read_config(PLATFORMLOG_ORG_CONF, &platformlog);
+ if (!ret)
+ platformlog = 0;
}
-static int __dlog_init(log_id_t log_id, log_priority prio, const char *tag, const char *msg)
+
+static void __dlog_init(void)
{
pthread_mutex_lock(&log_init_lock);
- // get filtering info
- // open device
- if (write_to_log == __dlog_init) {
- init_dlog_level();
-
- log_fds[LOG_ID_MAIN] = open("/dev/"LOG_MAIN, O_WRONLY);
- log_fds[LOG_ID_RADIO] = open("/dev/"LOG_RADIO, O_WRONLY);
- log_fds[LOG_ID_SYSTEM] = open("/dev/"LOG_SYSTEM, O_WRONLY);
- log_fds[LOG_ID_APPS] = open("/dev/"LOG_APPS, O_WRONLY);
-
- if (log_fds[LOG_ID_MAIN] < 0 || log_fds[LOG_ID_RADIO] < 0) {
- write_to_log = __write_to_log_null;
- } else {
-#ifdef SD_JOURNAL_SUPPORT
- write_to_log = __write_to_log_sd_journal_print;
+ /* configuration */
+ __configure();
+ /* open device */
+ log_fds[LOG_ID_MAIN] = open("/dev/"LOG_MAIN, O_WRONLY);
+ log_fds[LOG_ID_RADIO] = open("/dev/"LOG_RADIO, O_WRONLY);
+ log_fds[LOG_ID_SYSTEM] = open("/dev/"LOG_SYSTEM, O_WRONLY);
+ log_fds[LOG_ID_APPS] = open("/dev/"LOG_APPS, O_WRONLY);
+ if (log_fds[LOG_ID_MAIN] < 0 || log_fds[LOG_ID_RADIO] < 0) {
+ write_to_log = __write_to_log_null;
+ } else {
+#ifdef HAVE_SYSTEMD_JOURNAL
+ write_to_log = __write_to_log_sd_journal;
#else
- write_to_log = __write_to_log_kernel;
+ write_to_log = __write_to_log_kernel;
#endif
- }
-
- if (log_fds[LOG_ID_SYSTEM] < 0)
- log_fds[LOG_ID_SYSTEM] = log_fds[LOG_ID_MAIN];
-
- if (log_fds[LOG_ID_APPS] < 0)
- log_fds[LOG_ID_APPS] = log_fds[LOG_ID_MAIN];
}
+
+ if (log_fds[LOG_ID_SYSTEM] < 0)
+ log_fds[LOG_ID_SYSTEM] = log_fds[LOG_ID_MAIN];
+ if (log_fds[LOG_ID_APPS] < 0)
+ log_fds[LOG_ID_APPS] = log_fds[LOG_ID_MAIN];
pthread_mutex_unlock(&log_init_lock);
- return write_to_log(log_id, prio, tag, msg);
}
int __dlog_vprint(log_id_t log_id, int prio, const char *tag, const char *fmt, va_list ap)
{
char buf[LOG_BUF_SIZE];
+ if (LOG_ID_MAX <= log_id)
+ return 0;
+
+ if (write_to_log == NULL)
+ __dlog_init();
+
+ if (log_id != LOG_ID_APPS && !platformlog)
+ return 0;
+
vsnprintf(buf, LOG_BUF_SIZE, fmt, ap);
return write_to_log(log_id, prio, tag, buf);
va_list ap;
char buf[LOG_BUF_SIZE];
+ if (LOG_ID_MAX <= log_id)
+ return 0;
+
+ if (write_to_log == NULL)
+ __dlog_init();
+
+ if (log_id != LOG_ID_APPS && !platformlog)
+ return 0;
+
va_start(ap, fmt);
vsnprintf(buf, LOG_BUF_SIZE, fmt, ap);
va_end(ap);
return write_to_log(log_id, prio, tag, buf);
}
+
int _get_logging_on(void)
{
- return g_logging_on;
+ return 1;
}
projects / framework / system / dlog.git / blobdiff