webrtc/talk/examples/peerconnection/client/peer_connection_client.h
henrike@webrtc.org 28e2075280 Adds trunk/talk folder of revision 359 from libjingles google code to
trunk/talk


git-svn-id: http://webrtc.googlecode.com/svn/trunk@4318 4adac7df-926f-26a2-2b94-8c16560cd09d
2013-07-10 00:45:36 +00:00

141 lines
4.9 KiB
C++

/*
* 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 PEERCONNECTION_SAMPLES_CLIENT_PEER_CONNECTION_CLIENT_H_
#define PEERCONNECTION_SAMPLES_CLIENT_PEER_CONNECTION_CLIENT_H_
#pragma once
#include <map>
#include <string>
#include "talk/base/nethelpers.h"
#include "talk/base/signalthread.h"
#include "talk/base/sigslot.h"
#include "talk/base/physicalsocketserver.h"
#include "talk/base/scoped_ptr.h"
typedef std::map<int, std::string> Peers;
struct PeerConnectionClientObserver {
virtual void OnSignedIn() = 0; // Called when we're logged on.
virtual void OnDisconnected() = 0;
virtual void OnPeerConnected(int id, const std::string& name) = 0;
virtual void OnPeerDisconnected(int peer_id) = 0;
virtual void OnMessageFromPeer(int peer_id, const std::string& message) = 0;
virtual void OnMessageSent(int err) = 0;
virtual void OnServerConnectionFailure() = 0;
protected:
virtual ~PeerConnectionClientObserver() {}
};
class PeerConnectionClient : public sigslot::has_slots<>,
public talk_base::MessageHandler {
public:
enum State {
NOT_CONNECTED,
RESOLVING,
SIGNING_IN,
CONNECTED,
SIGNING_OUT_WAITING,
SIGNING_OUT,
};
PeerConnectionClient();
~PeerConnectionClient();
int id() const;
bool is_connected() const;
const Peers& peers() const;
void RegisterObserver(PeerConnectionClientObserver* callback);
void Connect(const std::string& server, int port,
const std::string& client_name);
bool SendToPeer(int peer_id, const std::string& message);
bool SendHangUp(int peer_id);
bool IsSendingMessage();
bool SignOut();
// implements the MessageHandler interface
void OnMessage(talk_base::Message* msg);
protected:
void DoConnect();
void Close();
void InitSocketSignals();
bool ConnectControlSocket();
void OnConnect(talk_base::AsyncSocket* socket);
void OnHangingGetConnect(talk_base::AsyncSocket* socket);
void OnMessageFromPeer(int peer_id, const std::string& message);
// Quick and dirty support for parsing HTTP header values.
bool GetHeaderValue(const std::string& data, size_t eoh,
const char* header_pattern, size_t* value);
bool GetHeaderValue(const std::string& data, size_t eoh,
const char* header_pattern, std::string* value);
// Returns true if the whole response has been read.
bool ReadIntoBuffer(talk_base::AsyncSocket* socket, std::string* data,
size_t* content_length);
void OnRead(talk_base::AsyncSocket* socket);
void OnHangingGetRead(talk_base::AsyncSocket* socket);
// Parses a single line entry in the form "<name>,<id>,<connected>"
bool ParseEntry(const std::string& entry, std::string* name, int* id,
bool* connected);
int GetResponseStatus(const std::string& response);
bool ParseServerResponse(const std::string& response, size_t content_length,
size_t* peer_id, size_t* eoh);
void OnClose(talk_base::AsyncSocket* socket, int err);
void OnResolveResult(talk_base::SignalThread *t);
PeerConnectionClientObserver* callback_;
talk_base::SocketAddress server_address_;
talk_base::AsyncResolver* resolver_;
talk_base::scoped_ptr<talk_base::AsyncSocket> control_socket_;
talk_base::scoped_ptr<talk_base::AsyncSocket> hanging_get_;
std::string onconnect_data_;
std::string control_data_;
std::string notification_data_;
std::string client_name_;
Peers peers_;
State state_;
int my_id_;
};
#endif // PEERCONNECTION_SAMPLES_CLIENT_PEER_CONNECTION_CLIENT_H_