Add a parameter to set a maximum filesize when starting an RTC event log on the PeerConnectionFacto…

webrtc/call/rtc_event_log.cc

 /*
  *  Copyright (c) 2015 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.
  */
 
@@ skipping 165 matching lines @@
 RtcEventLogImpl::~RtcEventLogImpl() {
   // The RtcEventLogHelperThread destructor closes the file
   // and waits for the thread to terminate.
 }
 
 bool RtcEventLogImpl::StartLogging(const std::string& file_name,
                                    int64_t max_size_bytes) {
   RTC_DCHECK(thread_checker_.CalledOnValidThread());
   RtcEventLogHelperThread::ControlMessage message;
   message.message_type = RtcEventLogHelperThread::ControlMessage::START_FILE;
-  message.max_size_bytes = max_size_bytes;
+  message.max_size_bytes = max_size_bytes <= 0
+                               ? std::numeric_limits<int64_t>::max()
+                               : max_size_bytes;
   message.start_time = clock_->TimeInMicroseconds();
   message.stop_time = std::numeric_limits<int64_t>::max();
   message.file.reset(FileWrapper::Create());
   if (message.file->OpenFile(file_name.c_str(), false) != 0) {
     return false;
   }
   if (!message_queue_.Insert(&message)) {
     LOG(LS_WARNING) << "Message queue full. Can't start logging.";
     return false;
   }
   return true;
 }
 
 bool RtcEventLogImpl::StartLogging(rtc::PlatformFile platform_file,
                                    int64_t max_size_bytes) {
   RTC_DCHECK(thread_checker_.CalledOnValidThread());
   RtcEventLogHelperThread::ControlMessage message;
   message.message_type = RtcEventLogHelperThread::ControlMessage::START_FILE;
-  message.max_size_bytes = max_size_bytes;
+  message.max_size_bytes = max_size_bytes <= 0
+                               ? std::numeric_limits<int64_t>::max()
+                               : max_size_bytes;
   message.start_time = clock_->TimeInMicroseconds();
   message.stop_time = std::numeric_limits<int64_t>::max();
   message.file.reset(FileWrapper::Create());
   FILE* file_handle = rtc::FdopenPlatformFileForWriting(platform_file);
   if (!file_handle) {
     return false;
   }
   if (message.file->OpenFromFileHandle(file_handle, true, false) != 0) {
     return false;
   }
@@ skipping 233 matching lines @@
 // RtcEventLog member functions.
 std::unique_ptr<RtcEventLog> RtcEventLog::Create(const Clock* clock) {
 #ifdef ENABLE_RTC_EVENT_LOG
   return std::unique_ptr<RtcEventLog>(new RtcEventLogImpl(clock));
 #else
   return std::unique_ptr<RtcEventLog>(new RtcEventLogNullImpl());
 #endif  // ENABLE_RTC_EVENT_LOG
 }
 
 }  // namespace webrtc