1 /*
2 * Copyright (c) 2012 The WebRTC project authors. All Rights Reserved.
3 *
4 * Use of this source code is governed by a BSD-style license
5 * that can be found in the LICENSE file in the root of the source
6 * tree. An additional intellectual property rights grant can be found
7 * in the file PATENTS. All contributing project authors may
8 * be found in the AUTHORS file in the root of the source tree.
9 */
10
11 #include "trace_posix.h"
12
13 #include <cassert>
14 #include <stdarg.h>
15 #include <stdio.h>
16 #include <string.h>
17 #include <sys/time.h>
18 #include <time.h>
19 #ifdef WEBRTC_ANDROID
20 #include <pthread.h>
21 #else
22 #include <iostream>
23 #endif
24
25 #if defined(_DEBUG)
26 #define BUILDMODE "d"
27 #elif defined(DEBUG)
28 #define BUILDMODE "d"
29 #elif defined(NDEBUG)
30 #define BUILDMODE "r"
31 #else
32 #define BUILDMODE "?"
33 #endif
34 #define BUILDTIME __TIME__
35 #define BUILDDATE __DATE__
36 // example: "Oct 10 2002 12:05:30 r"
37 #define BUILDINFO BUILDDATE " " BUILDTIME " " BUILDMODE
38
39 namespace webrtc {
TracePosix()40 TracePosix::TracePosix()
41 {
42 struct timeval systemTimeHighRes;
43 gettimeofday(&systemTimeHighRes, 0);
44 _prevAPITickCount = _prevTickCount = systemTimeHighRes.tv_sec;
45 }
46
~TracePosix()47 TracePosix::~TracePosix()
48 {
49 StopThread();
50 }
51
AddTime(char * traceMessage,const TraceLevel level) const52 WebRtc_Word32 TracePosix::AddTime(char* traceMessage,
53 const TraceLevel level) const
54 {
55 struct timeval systemTimeHighRes;
56 if (gettimeofday(&systemTimeHighRes, 0) == -1)
57 {
58 return -1;
59 }
60 struct tm buffer;
61 const struct tm* systemTime =
62 localtime_r(&systemTimeHighRes.tv_sec, &buffer);
63
64 const WebRtc_UWord32 ms_time = systemTimeHighRes.tv_usec / 1000;
65 WebRtc_UWord32 prevTickCount = 0;
66 if (level == kTraceApiCall)
67 {
68 prevTickCount = _prevTickCount;
69 _prevTickCount = ms_time;
70 } else {
71 prevTickCount = _prevAPITickCount;
72 _prevAPITickCount = ms_time;
73 }
74 WebRtc_UWord32 dwDeltaTime = ms_time - prevTickCount;
75 if (prevTickCount == 0)
76 {
77 dwDeltaTime = 0;
78 }
79 if (dwDeltaTime > 0x0fffffff)
80 {
81 // Either wraparound or data race.
82 dwDeltaTime = 0;
83 }
84 if(dwDeltaTime > 99999)
85 {
86 dwDeltaTime = 99999;
87 }
88
89 sprintf(traceMessage, "(%2u:%2u:%2u:%3u |%5lu) ", systemTime->tm_hour,
90 systemTime->tm_min, systemTime->tm_sec, ms_time,
91 static_cast<unsigned long>(dwDeltaTime));
92 // Messages are 22 characters.
93 return 22;
94 }
95
AddBuildInfo(char * traceMessage) const96 WebRtc_Word32 TracePosix::AddBuildInfo(char* traceMessage) const
97 {
98 sprintf(traceMessage, "Build info: %s", BUILDINFO);
99 // Include NULL termination (hence + 1).
100 return strlen(traceMessage) + 1;
101 }
102
AddDateTimeInfo(char * traceMessage) const103 WebRtc_Word32 TracePosix::AddDateTimeInfo(char* traceMessage) const
104 {
105 time_t t;
106 time(&t);
107 char buffer[26]; // man ctime says buffer should have room for >=26 bytes.
108 sprintf(traceMessage, "Local Date: %s", ctime_r(&t, buffer));
109 WebRtc_Word32 len = static_cast<WebRtc_Word32>(strlen(traceMessage));
110
111 if ('\n' == traceMessage[len - 1])
112 {
113 traceMessage[len - 1] = '\0';
114 --len;
115 }
116
117 // Messages is 12 characters.
118 return len + 1;
119 }
120 } // namespace webrtc
121