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/*
TODO: log pid and tid
*/
/*
"[time as ctime()] [alert] 412#3 (32)Broken pipe: anything"
"[time as ctime()] [alert] (32)Broken pipe: anything"
"[time as ctime()] [alert] anything"
*/
#include <ngx_config.h>
#include <ngx_core.h>
static const char *err_levels[] = {
"stderr", "emerg", "alert", "crit", "error",
"warn", "notice", "info", "debug"
};
#if (HAVE_VARIADIC_MACROS)
void ngx_log_error_core(int level, ngx_log_t *log, ngx_err_t err,
const char *fmt, ...)
#else
void ngx_log_error_core(int level, ngx_log_t *log, ngx_err_t err,
const char *fmt, va_list args)
#endif
{
char errstr[MAX_ERROR_STR];
ngx_tm_t tm;
size_t len;
#if (HAVE_VARIADIC_MACROS)
va_list args;
#endif
ngx_localtime(&tm);
len = ngx_snprintf(errstr, sizeof(errstr), "%4d/%02d/%02d %02d:%02d:%02d",
tm.ngx_tm_year, tm.ngx_tm_mon, tm.ngx_tm_mday,
tm.ngx_tm_hour, tm.ngx_tm_min, tm.ngx_tm_sec);
len += ngx_snprintf(errstr + len, sizeof(errstr) - len - 1,
" [%s] ", err_levels[level]);
/* pid#tid */
len += ngx_snprintf(errstr + len, sizeof(errstr) - len - 1,
"%d#%d: ", ngx_getpid(), 0);
#if (HAVE_VARIADIC_MACROS)
va_start(args, fmt);
len += ngx_vsnprintf(errstr + len, sizeof(errstr) - len - 1, fmt, args);
va_end(args);
#else
len += ngx_vsnprintf(errstr + len, sizeof(errstr) - len - 1, fmt, args);
#endif
if (err) {
#if (WIN32)
if ((unsigned) err >= 0x80000000) {
len += ngx_snprintf(errstr + len, sizeof(errstr) - len - 1,
" (%X: ", err);
} else {
len += ngx_snprintf(errstr + len, sizeof(errstr) - len - 1,
" (%d: ", err);
}
#else
len += ngx_snprintf(errstr + len, sizeof(errstr) - len - 1,
" (%d: ", err);
#endif
len += ngx_strerror_r(err, errstr + len, sizeof(errstr) - len - 1);
if (len < sizeof(errstr) - 2) {
errstr[len++] = ')';
} else {
len = sizeof(errstr) - 2;
}
}
if (level != NGX_LOG_DEBUG && log->handler) {
len += log->handler(log->data, errstr + len, sizeof(errstr) - len - 1);
}
if (len > sizeof(errstr) - 2) {
len = sizeof(errstr) - 2;
}
#if (WIN32)
errstr[len++] = '\r';
#endif
errstr[len++] = '\n';
write(log->fd, errstr, len);
#if 0
errstr[len] = '\0';
fputs(errstr, stderr);
fflush(stderr);
#endif
}
#if !(HAVE_VARIADIC_MACROS)
void ngx_log_error(int level, ngx_log_t *log, ngx_err_t err,
const char *fmt, ...)
{
va_list args;
if (log->log_level >= level) {
va_start(args, fmt);
ngx_log_error_core(level, log, err, fmt, args);
va_end(args);
}
}
void ngx_log_debug_core(ngx_log_t *log, const char *fmt, ...)
{
va_list args;
va_start(args, fmt);
ngx_log_error_core(NGX_LOG_DEBUG, log, 0, fmt, args);
va_end(args);
}
void ngx_assert_core(ngx_log_t *log, const char *fmt, ...)
{
va_list args;
va_start(args, fmt);
ngx_log_error_core(NGX_LOG_ALERT, log, 0, fmt, args);
va_end(args);
}
#endif
void ngx_log_stderr(ngx_event_t *ev)
{
char errstr[MAX_ERROR_STR];
ssize_t n;
ngx_err_t err;
for ( ;; ) {
n = read((ngx_fd_t) ev->data, errstr, sizeof(errstr - 1));
if (n == -1) {
err = ngx_errno;
if (err == NGX_EAGAIN) {
return;
}
ngx_log_error(NGX_LOG_ALERT, &ngx_log, err, "read() failed");
return;
}
if (n == 0) {
ngx_log_error(NGX_LOG_ALERT, &ngx_log, 0, "stderr clolsed");
return;
}
errstr[n] = '\0';
ngx_log_error(NGX_LOG_STDERR, &ngx_log, 0, "%s", errstr);
}
}
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