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/*
 * libjingle
 * Copyright 2004--2005, 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_BASE_TESTCLIENT_H__
#define TALK_BASE_TESTCLIENT_H__

#include "talk/base/asyncudpsocket.h"
#include "talk/base/thread.h"
#include <vector>

namespace talk_base {

class TestClient : public MessageHandler, public sigslot::has_slots<> {
public:
  // Creates a client that will send and receive with the given socket and 
  // will post itself messages with the given thread.
  TestClient(AsyncPacketSocket* socket, Thread* thread = 0);
  ~TestClient();

  // Sends using the clients socket.
  void Send(const char* buf, size_t size);

  // Sends using the clients socket to the given destination.
  void SendTo(const char* buf, size_t size, const SocketAddress& dest);

  // Records the contents of a packet that was received.
  struct Packet : public MessageData {
    Packet(const SocketAddress& a, const char* b, size_t s);
    Packet(const Packet& p);
    virtual ~Packet();

    SocketAddress addr;
    char*  buf;
    size_t size;
  };

  // Returns the next packet received by the client or 0 if none is received
  // within a reasonable amount of time.  The caller must delete the packet
  // when done with it.
  Packet* NextPacket();

  // Checks that the next packet has the given contents. Returns the remote
  // address that the packet was sent from.
  void CheckNextPacket(const char* buf, size_t len, SocketAddress* addr);

  // Checks that no packets have arrived or will arrive in the next second.
  void CheckNoPacket();

  // Messagehandler:
  void OnMessage(Message *pmsg);

private:
  Thread* thread_;
  AsyncPacketSocket* socket_;
  std::vector<Packet*>* packets_;

  // Slot for packets read on the socket.
  void OnPacket(
      const char* buf, size_t len, const SocketAddress& remote_addr,
      AsyncPacketSocket* socket);
};

} // namespace talk_base

#endif // TALK_BASE_TESTCLIENT_H__