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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 "webrtc/system_wrappers/source/trace_win.h"
12 
13 #include <assert.h>
14 #include <stdarg.h>
15 
16 #include "Mmsystem.h"
17 
18 namespace webrtc {
TraceWindows()19 TraceWindows::TraceWindows()
20     : prev_api_tick_count_(0),
21       prev_tick_count_(0) {
22 }
23 
~TraceWindows()24 TraceWindows::~TraceWindows() {
25 }
26 
AddTime(char * trace_message,const TraceLevel level) const27 int32_t TraceWindows::AddTime(char* trace_message,
28                               const TraceLevel level) const {
29   uint32_t dw_current_time = timeGetTime();
30   SYSTEMTIME system_time;
31   GetSystemTime(&system_time);
32 
33   if (level == kTraceApiCall) {
34     uint32_t dw_delta_time = dw_current_time - prev_tick_count_;
35     prev_tick_count_ = dw_current_time;
36 
37     if (prev_tick_count_ == 0) {
38       dw_delta_time = 0;
39     }
40     if (dw_delta_time > 0x0fffffff) {
41       // Either wrap-around or data race.
42       dw_delta_time = 0;
43     }
44     if (dw_delta_time > 99999) {
45       dw_delta_time = 99999;
46     }
47 
48     sprintf(trace_message, "(%2u:%2u:%2u:%3u |%5u) ", system_time.wHour,
49             system_time.wMinute, system_time.wSecond,
50             system_time.wMilliseconds, dw_delta_time);
51   } else {
52     uint32_t dw_delta_time = dw_current_time - prev_api_tick_count_;
53     prev_api_tick_count_ = dw_current_time;
54 
55     if (prev_api_tick_count_ == 0) {
56       dw_delta_time = 0;
57     }
58     if (dw_delta_time > 0x0fffffff) {
59       // Either wraparound or data race.
60       dw_delta_time = 0;
61     }
62     if (dw_delta_time > 99999) {
63       dw_delta_time = 99999;
64     }
65     sprintf(trace_message, "(%2u:%2u:%2u:%3u |%5u) ", system_time.wHour,
66             system_time.wMinute, system_time.wSecond,
67             system_time.wMilliseconds, dw_delta_time);
68   }
69   return 22;
70 }
71 
AddDateTimeInfo(char * trace_message) const72 int32_t TraceWindows::AddDateTimeInfo(char* trace_message) const {
73   prev_api_tick_count_ = timeGetTime();
74   prev_tick_count_ = prev_api_tick_count_;
75 
76   SYSTEMTIME sys_time;
77   GetLocalTime(&sys_time);
78 
79   TCHAR sz_date_str[20];
80   TCHAR sz_time_str[20];
81 
82   // Create date string (e.g. Apr 04 2002)
83   GetDateFormat(LOCALE_SYSTEM_DEFAULT, 0, &sys_time, TEXT("MMM dd yyyy"),
84                 sz_date_str, 20);
85 
86   // Create time string (e.g. 15:32:08)
87   GetTimeFormat(LOCALE_SYSTEM_DEFAULT, 0, &sys_time, TEXT("HH':'mm':'ss"),
88                 sz_time_str, 20);
89 
90   sprintf(trace_message, "Local Date: %ls Local Time: %ls", sz_date_str,
91           sz_time_str);
92 
93   // Include NULL termination (hence + 1).
94   return static_cast<int32_t>(strlen(trace_message) + 1);
95 }
96 
97 }  // namespace webrtc
98