Move talk/examples/* to webrtc/examples.

talk/examples/peerconnection/server/peer_channel.h

-/*
- * libjingle
- * Copyright 2011 Google Inc.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions are met:
- *
- *  1. Redistributions of source code must retain the above copyright notice,
- *     this list of conditions and the following disclaimer.
- *  2. Redistributions in binary form must reproduce the above copyright notice,
- *     this list of conditions and the following disclaimer in the documentation
- *     and/or other materials provided with the distribution.
- *  3. The name of the author may not be used to endorse or promote products
- *     derived from this software without specific prior written permission.
- *
- * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED
- * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
- * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO
- * EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
- * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
- * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
- * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
- * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
- * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
- * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
- */
-
-#ifndef TALK_EXAMPLES_PEERCONNECTION_SERVER_PEER_CHANNEL_H_
-#define TALK_EXAMPLES_PEERCONNECTION_SERVER_PEER_CHANNEL_H_
-#pragma once
-
-#include <time.h>
-
-#include <queue>
-#include <string>
-#include <vector>
-
-class DataSocket;
-
-// Represents a single peer connected to the server.
-class ChannelMember {
- public:
-  explicit ChannelMember(DataSocket* socket);
-  ~ChannelMember();
-
-  bool connected() const { return connected_; }
-  int id() const { return id_; }
-  void set_disconnected() { connected_ = false; }
-  bool is_wait_request(DataSocket* ds) const;
-  const std::string& name() const { return name_; }
-
-  bool TimedOut();
-
-  std::string GetPeerIdHeader() const;
-
-  bool NotifyOfOtherMember(const ChannelMember& other);
-
-  // Returns a string in the form "name,id\n".
-  std::string GetEntry() const;
-
-  void ForwardRequestToPeer(DataSocket* ds, ChannelMember* peer);
-
-  void OnClosing(DataSocket* ds);
-
-  void QueueResponse(const std::string& status, const std::string& content_type,
-                     const std::string& extra_headers, const std::string& data);
-
-  void SetWaitingSocket(DataSocket* ds);
-
- protected:
-  struct QueuedResponse {
-    std::string status, content_type, extra_headers, data;
-  };
-
-  DataSocket* waiting_socket_;
-  int id_;
-  bool connected_;
-  time_t timestamp_;
-  std::string name_;
-  std::queue<QueuedResponse> queue_;
-  static int s_member_id_;
-};
-
-// Manages all currently connected peers.
-class PeerChannel {
- public:
-  typedef std::vector<ChannelMember*> Members;
-
-  PeerChannel() {
-  }
-
-  ~PeerChannel() {
-    DeleteAll();
-  }
-
-  const Members& members() const { return members_; }
-
-  // Returns true if the request should be treated as a new ChannelMember
-  // request.  Otherwise the request is not peerconnection related.
-  static bool IsPeerConnection(const DataSocket* ds);
-
-  // Finds a connected peer that's associated with the |ds| socket.
-  ChannelMember* Lookup(DataSocket* ds) const;
-
-  // Checks if the request has a "peer_id" parameter and if so, looks up the
-  // peer for which the request is targeted at.
-  ChannelMember* IsTargetedRequest(const DataSocket* ds) const;
-
-  // Adds a new ChannelMember instance to the list of connected peers and
-  // associates it with the socket.
-  bool AddMember(DataSocket* ds);
-
-  // Closes all connections and sends a "shutting down" message to all
-  // connected peers.
-  void CloseAll();
-
-  // Called when a socket was determined to be closing by the peer (or if the
-  // connection went dead).
-  void OnClosing(DataSocket* ds);
-
-  void CheckForTimeout();
-
- protected:
-  void DeleteAll();
-  void BroadcastChangedState(const ChannelMember& member,
-                             Members* delivery_failures);
-  void HandleDeliveryFailures(Members* failures);
-
-  // Builds a simple list of "name,id\n" entries for each member.
-  std::string BuildResponseForNewMember(const ChannelMember& member,
-                                        std::string* content_type);
-
- protected:
-  Members members_;
-};
-
-#endif  // TALK_EXAMPLES_PEERCONNECTION_SERVER_PEER_CHANNEL_H_