Merging BaseSession code into WebRtcSession.

webrtc/p2p/base/session.h

 /*
  *  Copyright 2004 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.
  */
 
-#ifndef WEBRTC_P2P_BASE_SESSION_H_
-#define WEBRTC_P2P_BASE_SESSION_H_
-
-#include <list>
-#include <map>
-#include <string>
-#include <vector>
-
-#include "webrtc/base/refcount.h"
-#include "webrtc/base/rtccertificate.h"
-#include "webrtc/base/scoped_ptr.h"
-#include "webrtc/base/scoped_ref_ptr.h"
-#include "webrtc/base/socketaddress.h"
-#include "webrtc/p2p/base/candidate.h"
-#include "webrtc/p2p/base/port.h"
-#include "webrtc/p2p/base/transport.h"
-
-namespace cricket {
-
-class BaseSession;
-class P2PTransportChannel;
-class Transport;
-class TransportChannel;
-class TransportChannelImpl;
-class TransportController;
-
-// Statistics for all the transports of this session.
-typedef std::map<std::string, TransportStats> TransportStatsMap;
-typedef std::map<std::string, std::string> ProxyTransportMap;
-
-// TODO(pthatcher): Think of a better name for this.  We already have
-// a TransportStats in transport.h.  Perhaps TransportsStats?
-struct SessionStats {
-  ProxyTransportMap proxy_to_transport;
-  TransportStatsMap transport_stats;
-};
-
-// A BaseSession manages general session state. This includes negotiation
-// of both the application-level and network-level protocols:  the former
-// defines what will be sent and the latter defines how it will be sent.  Each
-// network-level protocol is represented by a Transport object.  Each Transport
-// participates in the network-level negotiation.  The individual streams of
-// packets are represented by TransportChannels.  The application-level protocol
-// is represented by SessionDecription objects.
-class BaseSession : public sigslot::has_slots<>,
-                    public rtc::MessageHandler {
- public:
-  enum {
-    MSG_TIMEOUT = 0,
-    MSG_ERROR,
-    MSG_STATE,
-  };
-
-  enum State {
-    STATE_INIT = 0,
-    STATE_SENTINITIATE,       // sent initiate, waiting for Accept or Reject
-    STATE_RECEIVEDINITIATE,   // received an initiate. Call Accept or Reject
-    STATE_SENTPRACCEPT,       // sent provisional Accept
-    STATE_SENTACCEPT,         // sent accept. begin connecting transport
-    STATE_RECEIVEDPRACCEPT,   // received provisional Accept, waiting for Accept
-    STATE_RECEIVEDACCEPT,     // received accept. begin connecting transport
-    STATE_SENTMODIFY,         // sent modify, waiting for Accept or Reject
-    STATE_RECEIVEDMODIFY,     // received modify, call Accept or Reject
-    STATE_SENTREJECT,         // sent reject after receiving initiate
-    STATE_RECEIVEDREJECT,     // received reject after sending initiate
-    STATE_SENTREDIRECT,       // sent direct after receiving initiate
-    STATE_SENTTERMINATE,      // sent terminate (any time / either side)
-    STATE_RECEIVEDTERMINATE,  // received terminate (any time / either side)
-    STATE_INPROGRESS,         // session accepted and in progress
-    STATE_DEINIT,             // session is being destroyed
-  };
-
-  enum Error {
-    ERROR_NONE = 0,       // no error
-    ERROR_TIME = 1,       // no response to signaling
-    ERROR_RESPONSE = 2,   // error during signaling
-    ERROR_NETWORK = 3,    // network error, could not allocate network resources
-    ERROR_CONTENT = 4,    // channel errors in SetLocalContent/SetRemoteContent
-    ERROR_TRANSPORT = 5,  // transport error of some kind
-  };
-
-  // Convert State to a readable string.
-  static std::string StateToString(State state);
-
-  BaseSession(rtc::Thread* signaling_thread,
-              rtc::Thread* worker_thread,
-              PortAllocator* port_allocator,
-              const std::string& sid,
-              bool initiator);
-  virtual ~BaseSession();
-
-  // These are const to allow them to be called from const methods.
-  rtc::Thread* signaling_thread() const { return signaling_thread_; }
-  rtc::Thread* worker_thread() const { return worker_thread_; }
-  PortAllocator* port_allocator() const { return port_allocator_; }
-
-  // The ID of this session.
-  const std::string& id() const { return sid_; }
-
-  // Returns the application-level description given by our client.
-  // If we are the recipient, this will be NULL until we send an accept.
-  const SessionDescription* local_description() const;
-
-  // Returns the application-level description given by the other client.
-  // If we are the initiator, this will be NULL until we receive an accept.
-  const SessionDescription* remote_description() const;
-
-  SessionDescription* remote_description();
-
-  // Takes ownership of SessionDescription*
-  void set_local_description(const SessionDescription* sdesc);
-
-  // Takes ownership of SessionDescription*
-  void set_remote_description(SessionDescription* sdesc);
-
-  void set_initiator(bool initiator);
-  bool initiator() const { return initiator_; }
-
-  const SessionDescription* initiator_description() const;
-
-  // Returns the current state of the session.  See the enum above for details.
-  // Each time the state changes, we will fire this signal.
-  State state() const { return state_; }
-  sigslot::signal2<BaseSession* , State> SignalState;
-
-  // Returns the last error in the session.  See the enum above for details.
-  // Each time the an error occurs, we will fire this signal.
-  Error error() const { return error_; }
-  const std::string& error_desc() const { return error_desc_; }
-  sigslot::signal2<BaseSession* , Error> SignalError;
-
-  // Updates the state, signaling if necessary.
-  virtual void SetState(State state);
-
-  // Updates the error state, signaling if necessary.
-  // TODO(ronghuawu): remove the SetError method that doesn't take |error_desc|.
-  virtual void SetError(Error error, const std::string& error_desc);
-
-  void SetIceConfig(const IceConfig& ice_config);
-
-  // Start gathering candidates for any new transports, or transports doing an
-  // ICE restart.
-  void MaybeStartGathering();
-
- protected:
-  bool PushdownTransportDescription(ContentSource source,
-                                    ContentAction action,
-                                    std::string* error_desc);
-
-  // Handles messages posted to us.
-  virtual void OnMessage(rtc::Message *pmsg);
-
-  TransportController* transport_controller() {
-    return transport_controller_.get();
-  }
-
- protected:
-  State state_;
-  Error error_;
-  std::string error_desc_;
-
- private:
-  // Helper methods to push local and remote transport descriptions.
-  bool PushdownLocalTransportDescription(
-      const SessionDescription* sdesc, ContentAction action,
-      std::string* error_desc);
-  bool PushdownRemoteTransportDescription(
-      const SessionDescription* sdesc, ContentAction action,
-      std::string* error_desc);
-
-  // Log session state.
-  void LogState(State old_state, State new_state);
-
-  // Returns true and the TransportInfo of the given |content_name|
-  // from |description|. Returns false if it's not available.
-  static bool GetTransportDescription(const SessionDescription* description,
-                                      const std::string& content_name,
-                                      TransportDescription* info);
-
-  rtc::Thread* const signaling_thread_;
-  rtc::Thread* const worker_thread_;
-  PortAllocator* const port_allocator_;
-  const std::string sid_;
-  bool initiator_;
-  rtc::scoped_ptr<TransportController> transport_controller_;
-  rtc::scoped_ptr<const SessionDescription> local_description_;
-  rtc::scoped_ptr<SessionDescription> remote_description_;
-};
-
-}  // namespace cricket
-
-#endif  // WEBRTC_P2P_BASE_SESSION_H_
+// TODO(deadbeef): Remove this file when Chrome build files no longer reference
+// it.
+#error "DONT INCLUDE THIS"