git-svn-id: http://webrtc.googlecode.com/svn/trunk@156 4adac7df-926f-26a2-2b94-8c16560cd09d
diff --git a/src/system_wrappers/source/trace_linux.cc b/src/system_wrappers/source/trace_linux.cc
new file mode 100644
index 0000000..8dba3be
--- /dev/null
+++ b/src/system_wrappers/source/trace_linux.cc
@@ -0,0 +1,135 @@
+/*
+ * Copyright (c) 2011 The WebRTC project authors. All Rights Reserved.
+ *
+ * Use of this source code is governed by a BSD-style license
+ * that can be found in the LICENSE file in the root of the source
+ * tree. An additional intellectual property rights grant can be found
+ * in the file PATENTS. All contributing project authors may
+ * be found in the AUTHORS file in the root of the source tree.
+ */
+
+#include "trace_linux.h"
+
+#include <cassert>
+#include <stdarg.h>
+#include <stdio.h>
+#include <string.h>
+#include <time.h>
+
+#ifdef ANDROID
+ #include <pthread.h>
+#else
+ #include <iostream>
+#endif
+
+#if defined(_DEBUG)
+ #define BUILDMODE "d"
+#elif defined(DEBUG)
+ #define BUILDMODE "d"
+#elif defined(NDEBUG)
+ #define BUILDMODE "r"
+#else
+ #define BUILDMODE "?"
+#endif
+#define BUILDTIME __TIME__
+#define BUILDDATE __DATE__
+// example: "Oct 10 2002 12:05:30 r"
+#define BUILDINFO BUILDDATE " " BUILDTIME " " BUILDMODE
+
+namespace webrtc {
+TraceLinux::TraceLinux()
+{
+ _prevAPITickCount = time(NULL);
+ _prevTickCount = _prevAPITickCount;
+}
+
+TraceLinux::~TraceLinux()
+{
+ StopThread();
+}
+
+WebRtc_Word32 TraceLinux::AddThreadId(char* traceMessage) const
+{
+ WebRtc_UWord64 threadId = (WebRtc_UWord64)pthread_self();
+ sprintf(traceMessage, "%10llu; ", threadId);
+ // 12 bytes are written.
+ return 12;
+}
+
+WebRtc_Word32 TraceLinux::AddTime(char* traceMessage,
+ const TraceLevel level) const
+{
+ time_t dwCurrentTimeInSeconds = time(NULL);
+ struct tm systemTime;
+ gmtime_r(&dwCurrentTimeInSeconds, &systemTime);
+
+ if(level == kTraceApiCall)
+ {
+ WebRtc_UWord32 dwDeltaTime = dwCurrentTimeInSeconds - _prevTickCount;
+ _prevTickCount = dwCurrentTimeInSeconds;
+
+ if(_prevTickCount == 0)
+ {
+ dwDeltaTime = 0;
+ }
+ if(dwDeltaTime > 0x0fffffff)
+ {
+ // Either wraparound or data race.
+ dwDeltaTime = 0;
+ }
+ if(dwDeltaTime > 99999)
+ {
+ dwDeltaTime = 99999;
+ }
+
+ sprintf(traceMessage, "(%2u:%2u:%2u:%3u |%5lu) ", systemTime.tm_hour,
+ systemTime.tm_min, systemTime.tm_sec, 0,
+ static_cast<unsigned long>(dwDeltaTime));
+ } else {
+ WebRtc_UWord32 dwDeltaTime = dwCurrentTimeInSeconds - _prevAPITickCount;
+ _prevAPITickCount = dwCurrentTimeInSeconds;
+ if(_prevAPITickCount == 0)
+ {
+ dwDeltaTime = 0;
+ }
+ if(dwDeltaTime > 0x0fffffff)
+ {
+ // Either wraparound or data race.
+ dwDeltaTime = 0;
+ }
+ if(dwDeltaTime > 99999)
+ {
+ dwDeltaTime = 99999;
+ }
+ sprintf(traceMessage, "(%2u:%2u:%2u:%3u |%5lu) ", systemTime.tm_hour,
+ systemTime.tm_min, systemTime.tm_sec, 0,
+ static_cast<unsigned long>(dwDeltaTime));
+ }
+ // Messages is 22 characters.
+ return 22;
+}
+
+WebRtc_Word32 TraceLinux::AddBuildInfo(char* traceMessage) const
+{
+ sprintf(traceMessage, "Build info: %s", BUILDINFO);
+ // Include NULL termination (hence + 1).
+ return strlen(traceMessage) + 1;
+}
+
+WebRtc_Word32 TraceLinux::AddDateTimeInfo(char* traceMessage) const
+{
+ time_t t;
+ time(&t);
+ sprintf(traceMessage, "Local Date: %s", ctime(&t));
+ WebRtc_Word32 len = static_cast<WebRtc_Word32>(strlen(traceMessage));
+
+ if ('\n' == traceMessage[len - 1])
+ {
+ traceMessage[len - 1] = '\0';
+ --len;
+ }
+
+ // Messages is 12 characters.
+ return len + 1;
+}
+} // namespace webrtc