Line data    Source code

       1             : /*
       2             :  *
       3             :  * Copyright 2015, Google Inc.
       4             :  * All rights reserved.
       5             :  *
       6             :  * Redistribution and use in source and binary forms, with or without
       7             :  * modification, are permitted provided that the following conditions are
       8             :  * met:
       9             :  *
      10             :  *     * Redistributions of source code must retain the above copyright
      11             :  * notice, this list of conditions and the following disclaimer.
      12             :  *     * Redistributions in binary form must reproduce the above
      13             :  * copyright notice, this list of conditions and the following disclaimer
      14             :  * in the documentation and/or other materials provided with the
      15             :  * distribution.
      16             :  *     * Neither the name of Google Inc. nor the names of its
      17             :  * contributors may be used to endorse or promote products derived from
      18             :  * this software without specific prior written permission.
      19             :  *
      20             :  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
      21             :  * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
      22             :  * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
      23             :  * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
      24             :  * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
      25             :  * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
      26             :  * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
      27             :  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
      28             :  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
      29             :  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
      30             :  * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
      31             :  *
      32             :  */
      33             : 
      34             : #ifndef _POSIX_SOURCE
      35             : #define _POSIX_SOURCE
      36             : #endif
      37             : 
      38             : #ifndef _GNU_SOURCE
      39             : #define _GNU_SOURCE
      40             : #endif
      41             : 
      42             : #include <grpc/support/port_platform.h>
      43             : 
      44             : #ifdef GPR_LINUX
      45             : 
      46             : #include <grpc/support/alloc.h>
      47             : #include <grpc/support/log.h>
      48             : #include <grpc/support/string_util.h>
      49             : #include <grpc/support/time.h>
      50             : #include <stdio.h>
      51             : #include <stdarg.h>
      52             : #include <string.h>
      53             : #include <time.h>
      54             : #include <linux/unistd.h>
      55             : #include <sys/syscall.h>
      56             : #include <unistd.h>
      57             : 
      58       63412 : static long gettid(void) { return syscall(__NR_gettid); }
      59             : 
      60       63413 : void gpr_log(const char *file, int line, gpr_log_severity severity,
      61             :              const char *format, ...) {
      62       63413 :   char *message = NULL;
      63             :   va_list args;
      64       63413 :   va_start(args, format);
      65       63413 :   if (vasprintf(&message, format, args) == -1) {
      66           0 :     va_end(args);
      67       63413 :     return;
      68             :   }
      69       63413 :   va_end(args);
      70       63413 :   gpr_log_message(file, line, severity, message);
      71       63413 :   free(message);
      72             : }
      73             : 
      74       63412 : void gpr_default_log(gpr_log_func_args *args) {
      75             :   char *final_slash;
      76             :   char *prefix;
      77             :   const char *display_file;
      78             :   char time_buffer[64];
      79       63412 :   gpr_timespec now = gpr_now(GPR_CLOCK_REALTIME);
      80             :   struct tm tm;
      81             : 
      82       63411 :   final_slash = strrchr(args->file, '/');
      83       63411 :   if (final_slash == NULL)
      84           0 :     display_file = args->file;
      85             :   else
      86       63411 :     display_file = final_slash + 1;
      87             : 
      88       63411 :   if (!localtime_r(&now.tv_sec, &tm)) {
      89           0 :     strcpy(time_buffer, "error:localtime");
      90       63412 :   } else if (0 ==
      91       63412 :              strftime(time_buffer, sizeof(time_buffer), "%m%d %H:%M:%S", &tm)) {
      92           0 :     strcpy(time_buffer, "error:strftime");
      93             :   }
      94             : 
      95       63412 :   gpr_asprintf(&prefix, "%s%s.%09d %7tu %s:%d]",
      96             :                gpr_log_severity_string(args->severity), time_buffer,
      97             :                (int)(now.tv_nsec), gettid(), display_file, args->line);
      98             : 
      99       63412 :   fprintf(stderr, "%-60s %s\n", prefix, args->message);
     100       63412 :   gpr_free(prefix);
     101       63412 : }
     102             : 
     103             : #endif