void ngx_log_error_core(ngx_uint_t level, ngx_log_t *log, ngx_err_t err, const char *fmt, ...){ #else void ngx_log_error_core(ngx_uint_t level, ngx_log_t *log, ngx_err_t err, const char *fmt, va_list args){ #endif #if (NGX_HAVE_VARIADIC_MACROS) va_list args; #endif u_char *p,*last,*msg; ssize_t n; ngx_uint_t wrote_stderr,debug_connection; u_char errstr[NGX_MAX_ERROR_STR]; last = errstr + NGX_MAX_ERROR_STR; //it seems do not set the ngx_cached_err_log_time.len value p = ngx_cpymem(errstr,ngx_cached_err_log_time.data, ngx_cached_err_log_time.len); p = ngx_slprintf(p,last,"[%V]",&err_levels[level]); //just for making the datastructure can work correctly,comment the next function /* pid#tid */ // p = ngx_slprintf(p,last,"%P#" NGX_TID_T_FMT ": ", // ngx_log_pid,ngx_log_tid); if (log->connection) { p = ngx_slprintf(p,last,"*%uA ",log->connection); } msg = p; #if (NGX_HAVE_VARIADIC_MACROS) va_start (args,fmt); p = ngx_vslprintf(p,last,fmt,args); va_end (args); #else p = ngx_vslprintf(p,last,fmt,args); #endif if (err) { p = ngx_log_errno(p,last,err); } if (level != NGX_LOG_DEBUG && log->handler){ p = log->handler(log,p,last - p); } if (p > last - NGX_LINEFEED_SIZE){ p = last - NGX_LINEFEED_SIZE; } ngx_linefeed(p); wrote_stderr = 0; debug_connection = (log->log_level & NGX_LOG_DEBUG_CONNECTION) != 0; while(log){ if (log->log_level < level && !debug_connection){ break; } if(log->writer){ log->writer(log,level,errstr,p - errstr); goto next; } if (ngx_time() == log->disk_full_time){ /* * on FreeBSD writing to a full filesystem with enabled softupdates * may block process for much longer time than writing to non-full * filesystem, so we skip writing to a log for one second */ goto next; } n = ngx_write_fd(log->file->fd,errstr,p - errstr); if (n == -1 && ngx_errno == NGX_ENOSPC){ log->disk_full_time = ngx_time(); } if (log->file->fd == ngx_stderr){ wrote_stderr = 1; } next: log = log->next; } if (!ngx_use_stderr || level > NGX_LOG_WARN || wrote_stderr){ return; } msg -= (7 + err_levels[level].len + 3); (void)ngx_sprintf(msg,"nginx: [%V]",&err_levels[level]); (void) ngx_write_console(ngx_stderr,msg,p - msg); }
void ngx_log_error_core(ngx_uint_t level, ngx_log_t *log, ngx_err_t err, const char *fmt, va_list args) #endif { #if (NGX_HAVE_VARIADIC_MACROS) va_list args; #endif u_char *p, *last, *msg; u_char errstr[NGX_MAX_ERROR_STR]; if (log->file->fd == NGX_INVALID_FILE) { return; } last = errstr + NGX_MAX_ERROR_STR; ngx_memcpy(errstr, ngx_cached_err_log_time.data, ngx_cached_err_log_time.len); p = errstr + ngx_cached_err_log_time.len; p = ngx_slprintf(p, last, " [%V] ", &err_levels[level]); /* pid#tid */ p = ngx_slprintf(p, last, "%P#" NGX_TID_T_FMT ": ", ngx_log_pid, ngx_log_tid); if (log->connection) { p = ngx_slprintf(p, last, "*%uA ", log->connection); } msg = p; #if (NGX_HAVE_VARIADIC_MACROS) va_start(args, fmt); p = ngx_vslprintf(p, last, fmt, args); va_end(args); #else p = ngx_vslprintf(p, last, fmt, args); #endif if (err) { p = ngx_log_errno(p, last, err); } if (level != NGX_LOG_DEBUG && log->handler) { p = log->handler(log, p, last - p); } if (p > last - NGX_LINEFEED_SIZE) { p = last - NGX_LINEFEED_SIZE; } ngx_linefeed(p); (void) ngx_write_fd(log->file->fd, errstr, p - errstr); if (!ngx_use_stderr || level > NGX_LOG_WARN || log->file->fd == ngx_stderr) { return; } msg -= (7 + err_levels[level].len + 3); (void) ngx_sprintf(msg, "nginx: [%V] ", &err_levels[level]); (void) ngx_write_console(ngx_stderr, msg, p - msg); }