Remove CircularFileStream / replace it with CallSessionFileRotatingStream.

webrtc/base/logsinks.cc

 /*
  *  Copyright 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.
  */
 
 #include "webrtc/base/logsinks.h"
 
+#include <iostream>
 #include <string>
 
+#include "webrtc/base/checks.h"
+
 namespace rtc {
 
 FileRotatingLogSink::FileRotatingLogSink(const std::string& log_dir_path,
                                          const std::string& log_prefix,
                                          size_t max_log_size,
                                          size_t num_log_files)
     : FileRotatingLogSink(new FileRotatingStream(log_dir_path,
                                                  log_prefix,
                                                  max_log_size,
                                                  num_log_files)) {
 }
 
 FileRotatingLogSink::FileRotatingLogSink(FileRotatingStream* stream)
     : stream_(stream) {
+  DCHECK(stream);
 }
 
 FileRotatingLogSink::~FileRotatingLogSink() {
 }
 
 void FileRotatingLogSink::OnLogMessage(const std::string& message) {
-  if (!stream_ || stream_->GetState() != SS_OPEN) {
-    LOG(LS_WARNING) << "Init() must be called before adding this sink.";
+  if (stream_->GetState() != SS_OPEN) {
+    std::cerr << "Init() must be called before adding this sink." << std::endl;
     return;
   }
   stream_->WriteAll(message.c_str(), message.size(), nullptr, nullptr);
 }
 
 bool FileRotatingLogSink::Init() {
   return stream_->Open();
 }
 
+bool FileRotatingLogSink::DisableBuffering() {
+  return stream_->DisableBuffering();
+}
+
 CallSessionFileRotatingLogSink::CallSessionFileRotatingLogSink(
     const std::string& log_dir_path,
     size_t max_total_log_size)
     : FileRotatingLogSink(
           new CallSessionFileRotatingStream(log_dir_path, max_total_log_size)) {
 }
 
 CallSessionFileRotatingLogSink::~CallSessionFileRotatingLogSink() {
 }
 
 }  // namespace rtc