| Nicolas Noble | b7ebd3b | 2014-11-26 16:33:03 -0800 | [diff] [blame^] | 1 | /* |
| 2 | * |
| 3 | * Copyright 2014, 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 | #define _POSIX_SOURCE |
| 35 | #define _GNU_SOURCE |
| 36 | #include <grpc/support/port_platform.h> |
| 37 | |
| 38 | #ifdef GPR_LINUX |
| 39 | |
| 40 | #include <grpc/support/log.h> |
| 41 | #include <grpc/support/time.h> |
| 42 | #include <stdio.h> |
| 43 | #include <stdarg.h> |
| 44 | #include <string.h> |
| 45 | #include <time.h> |
| 46 | #include <linux/unistd.h> |
| 47 | #include <sys/syscall.h> |
| 48 | #include <unistd.h> |
| 49 | |
| 50 | static long gettid() { return syscall(__NR_gettid); } |
| 51 | |
| 52 | void gpr_log(const char *file, int line, gpr_log_severity severity, |
| 53 | const char *format, ...) { |
| 54 | char *final_slash; |
| 55 | const char *display_file; |
| 56 | char time_buffer[64]; |
| 57 | gpr_timespec now = gpr_now(); |
| 58 | struct tm tm; |
| 59 | va_list args; |
| 60 | va_start(args, format); |
| 61 | |
| 62 | final_slash = strrchr(file, '/'); |
| 63 | if (final_slash == NULL) |
| 64 | display_file = file; |
| 65 | else |
| 66 | display_file = final_slash + 1; |
| 67 | |
| 68 | if (!localtime_r(&now.tv_sec, &tm)) { |
| 69 | strcpy(time_buffer, "error:localtime"); |
| 70 | } else if (0 == |
| 71 | strftime(time_buffer, sizeof(time_buffer), "%m%d %H:%M:%S", &tm)) { |
| 72 | strcpy(time_buffer, "error:strftime"); |
| 73 | } |
| 74 | |
| 75 | flockfile(stderr); |
| 76 | fprintf(stderr, "%s%s.%09d %7ld %s:%d] ", gpr_log_severity_string(severity), |
| 77 | time_buffer, (int)(now.tv_nsec), gettid(), display_file, line); |
| 78 | vfprintf(stderr, format, args); |
| 79 | fputc('\n', stderr); |
| 80 | funlockfile(stderr); |
| 81 | |
| 82 | va_end(args); |
| 83 | } |
| 84 | |
| 85 | #endif |