ios/crnet/crnet_net_log.cc

   1 // Copyright 2015 The Chromium Authors. All rights reserved.
   2 // Use of this source code is governed by a BSD-style license that can be
   3 // found in the LICENSE file.
   4
   5 #include "ios/crnet/crnet_net_log.h"
   6
   7 #include "base/files/file_path.h"
   8 #include "base/files/file_util.h"
   9 #include "base/files/scoped_file.h"
  10 #include "base/values.h"
  11 #include "net/log/net_log.h"
  12 #include "net/log/net_log_util.h"
  13 #include "net/log/write_to_file_net_log_observer.h"
  14
  15 CrNetNetLog::CrNetNetLog() { }
  16 CrNetNetLog::~CrNetNetLog() { }
  17
  18 bool CrNetNetLog::Start(const base::FilePath& log_file,
  19                         CrNetNetLog::Mode mode) {
  20   DCHECK(thread_checker_.CalledOnValidThread());
  21   base::FilePath temp_dir;
  22   if (!base::GetTempDir(&temp_dir))
  23     return false;
  24
  25   base::FilePath full_path = temp_dir.Append(log_file);
  26   base::ScopedFILE file(base::OpenFile(full_path, "w"));
  27   if (!file)
  28     return false;
  29
  30   scoped_ptr<base::Value> constants(net::GetNetConstants().Pass());
  31
  32   net::NetLogCaptureMode capture_mode = mode == LOG_ALL_BYTES ?
  33       net::NetLogCaptureMode::IncludeSocketBytes() :
  34       net::NetLogCaptureMode::Default();
  35   write_to_file_observer_.reset(new net::WriteToFileNetLogObserver());
  36   write_to_file_observer_->set_capture_mode(capture_mode);
  37   write_to_file_observer_->StartObserving(this, file.Pass(), constants.get(),
  38                                           nullptr);
  39   return true;
  40 }
  41
  42 void CrNetNetLog::Stop() {
  43   DCHECK(thread_checker_.CalledOnValidThread());
  44   write_to_file_observer_->StopObserving(nullptr);
  45   write_to_file_observer_.reset();
  46 }