static inline void am_level_logv(const char *module,
AmLogLevel level,
const char *format,
va_list vlist)
{
char text[2*1024] = {0};
char str[4*1024] = {0};
int len = vsnprintf(text, sizeof(text), format, vlist);
if (AM_LIKELY((uint32_t)len < sizeof(text))) {
text[len] = '\0';
} else {
text[sizeof(text) - 1] = '\0';
}
logTimeStamp ?
snprintf(str, sizeof(str) - 1, "[%s]%s\n", get_timestamp(), text) :
snprintf(str, sizeof(str) - 1, "%s\n", text);
AM_LOCK();
switch(logTarget) {
case AM_LOG_TARGET_STDERR: {
fprintf(stderr, "%s", str);
}break;
case AM_LOG_TARGET_SYSLOG: {
openlog(empty_module_name(module), LOG_PID, LOG_USER);
syslog(level_to_syslog[level], "%s\n", text);
}break;
case AM_LOG_TARGET_FILE: {
if ((write(logfile.fd(), str, strlen(str)) < 0)) {
fprintf(stderr, "%s: %s: %d\n",
B_RED("Failed writing logs to file. Redirect log to console"),
strerror(errno), logfile.fd());
logfile.set_log_fd(-1);
logTarget = AM_LOG_TARGET_STDERR;
fprintf(stderr, "%s", str);
}
}break;
case AM_LOG_TARGET_NULL:
default: break;
}
AM_UNLOCK();
}
/*
*time: level: process[pid]: [tid] tag: message
* [verbose ]
*/
static int _log_print(int lvl, const char *tag,
const char *file, int line,
const char *func, const char *msg)
{
int ret = 0, i = 0;
struct iovec vec[LOG_IOVEC_MAX];
char s_time[LOG_TIME_SIZE];
char s_lvl[LOG_LEVEL_SIZE];
char s_tag[LOG_TAG_SIZE];
char s_pname[LOG_PNAME_SIZE];
char s_pid[LOG_PNAME_SIZE];
char s_tid[LOG_PNAME_SIZE];
char s_file[LOG_TEXT_SIZE];
char s_msg[LOG_BUF_SIZE];
pthread_mutex_lock(&_log_mutex);
log_get_time(s_time, sizeof(s_time), 0);
if (_log_fp == stderr || _log_fd == STDERR_FILENO) {
switch(lvl) {
case LOG_EMERG:
case LOG_ALERT:
case LOG_CRIT:
case LOG_ERR:
snprintf(s_lvl, sizeof(s_lvl),
B_RED("[%7s]"), _log_level_str[lvl]);
snprintf(s_msg, sizeof(s_msg), RED("%s"), msg);
break;
case LOG_WARNING:
snprintf(s_lvl, sizeof(s_lvl),
B_YELLOW("[%7s]"), _log_level_str[lvl]);
snprintf(s_msg, sizeof(s_msg), YELLOW("%s"), msg);
break;
case LOG_INFO:
snprintf(s_lvl, sizeof(s_lvl),
B_GREEN("[%7s]"), _log_level_str[lvl]);
snprintf(s_msg, sizeof(s_msg), GREEN("%s"), msg);
break;
case LOG_DEBUG:
snprintf(s_lvl, sizeof(s_lvl),
B_WHITE("[%7s]"), _log_level_str[lvl]);
snprintf(s_msg, sizeof(s_msg), WHITE("%s"), msg);
break;
default:
snprintf(s_lvl, sizeof(s_lvl),
"[%7s]", _log_level_str[lvl]);
snprintf(s_msg, sizeof(s_msg), "%s", msg);
break;
}
} else {
snprintf(s_lvl, sizeof(s_lvl),
"[%7s]", _log_level_str[lvl]);
snprintf(s_msg, sizeof(s_msg), "%s", msg);
}
if (CHECK_LOG_PREFIX(_log_prefix, LOG_PIDTID_BIT)) {
snprintf(s_pname, sizeof(s_pname), "[%s ", _proc_name);
snprintf(s_pid, sizeof(s_pid), "pid:%d ", getpid());
snprintf(s_tid, sizeof(s_tid), "tid:%d]", _gettid());
snprintf(s_tag, sizeof(s_tag), "[%s]", tag);
snprintf(s_file, sizeof(s_file), "[%s:%d: %s] ", file, line, func);
}
if (CHECK_LOG_PREFIX(_log_prefix, LOG_FUNCLINE_BIT)) {
snprintf(s_file, sizeof(s_file), "[%s:%d: %s] ", file, line, func);
}
i = -1;
if (CHECK_LOG_PREFIX(_log_prefix, LOG_TIMESTAMP_BIT)) {
vec[++i].iov_base = (void *)s_time;
vec[i].iov_len = strlen(s_time);
}
if (CHECK_LOG_PREFIX(_log_prefix, LOG_PIDTID_BIT)) {
vec[++i].iov_base = (void *)s_pname;
vec[i].iov_len = strlen(s_pname);
vec[++i].iov_base = (void *)s_pid;
vec[i].iov_len = strlen(s_pid);
vec[++i].iov_base = (void *)s_tid;
vec[i].iov_len = strlen(s_tid);
}
vec[++i].iov_base = (void *)s_lvl;
vec[i].iov_len = strlen(s_lvl);
if (CHECK_LOG_PREFIX(_log_prefix, LOG_TAG_BIT)) {
vec[++i].iov_base = (void *)s_tag;
vec[i].iov_len = strlen(s_tag);
}
if (CHECK_LOG_PREFIX(_log_prefix, LOG_FUNCLINE_BIT)) {
vec[++i].iov_base = (void *)s_file;
vec[i].iov_len = strlen(s_file);
}
vec[++i].iov_base = (void *)s_msg;
vec[i].iov_len = strlen(s_msg);
if (UNLIKELY(!_log_syslog)) {
ret = _log_handle->write(vec, i+1);
}
pthread_mutex_unlock(&_log_mutex);
return ret;
}
