| // Copyright 2016 The Chromium Authors. All rights reserved. |
| // Use of this source code is governed by a BSD-style license that can be |
| // found in the LICENSE file. |
| |
| #ifndef CONTENT_BROWSER_WEBRTC_WEBRTC_EVENTLOG_HOST_H_ |
| #define CONTENT_BROWSER_WEBRTC_WEBRTC_EVENTLOG_HOST_H_ |
| |
| #include <vector> |
| |
| #include "base/files/file_path.h" |
| #include "base/memory/weak_ptr.h" |
| #include "content/common/content_export.h" |
| #include "ipc/ipc_platform_file.h" |
| |
| namespace content { |
| |
| // This class is used to enable and disable WebRTC event logs on each of the |
| // PeerConnections in the render process. This class and all its members should |
| // only be accessed from the Browser UI thread. |
| class CONTENT_EXPORT WebRTCEventLogHost { |
| public: |
| explicit WebRTCEventLogHost(int render_process_id); |
| ~WebRTCEventLogHost(); |
| |
| // Starts an RTC event log for all current and future PeerConnections on the |
| // render process. A base file_path can be supplied, which will be extended to |
| // include several identifiers to ensure uniqueness. If a recording was |
| // already in progress, this call will return false and have no other effect. |
| bool StartWebRTCEventLog(const base::FilePath& file_path); |
| |
| // Stops recording an RTC event log for each PeerConnection on the render |
| // process. If no recording was in progress, this call will return false. |
| bool StopWebRTCEventLog(); |
| |
| // This function should be used to notify the WebRTCEventLogHost object that a |
| // PeerConnection was created in the corresponding render process. |
| void PeerConnectionAdded(int peer_connection_local_id); |
| |
| // This function should be used to notify the WebRTCEventLogHost object that a |
| // PeerConnection was removed in the corresponding render process. |
| void PeerConnectionRemoved(int peer_connection_local_id); |
| |
| base::WeakPtr<WebRTCEventLogHost> GetWeakPtr(); |
| |
| private: |
| // Actually start the eventlog for a single PeerConnection using the path |
| // stored in base_file_path_. |
| bool StartEventLogForPeerConnection(int peer_connection_local_id); |
| |
| // Send the platform file to the render process using an IPC message. |
| void SendEventLogFileToRenderer(int peer_connection_local_id, |
| IPC::PlatformFileForTransit file_for_transit); |
| |
| // The render process ID that this object is associated with. |
| const int render_process_id_; |
| |
| // In case new PeerConnections are created during logging, the path is needed |
| // to enable logging for them. |
| base::FilePath base_file_path_; |
| |
| // The local identifiers of all the currently active PeerConnections. |
| std::vector<int> active_peer_connection_local_ids_; |
| |
| // Number of active log files that have been opened. |
| static int number_active_log_files_; |
| |
| // Track if the RTC event log is currently active. |
| bool rtc_event_logging_enabled_; |
| |
| base::WeakPtrFactory<WebRTCEventLogHost> weak_ptr_factory_; |
| |
| DISALLOW_COPY_AND_ASSIGN(WebRTCEventLogHost); |
| }; |
| |
| } // namespace content |
| |
| #endif // CONTENT_BROWSER_WEBRTC_WEBRTC_EVENTLOG_HOST_H_ |