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/*
* libjingle
* Copyright 2004--2008, 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_P2P_CLIENT_HTTPPORTALLOCATOR_H_
#define TALK_P2P_CLIENT_HTTPPORTALLOCATOR_H_
#include <string>
#include <vector>
#include "talk/p2p/client/basicportallocator.h"
namespace talk_base {
class SignalThread;
}
namespace cricket {
class HttpPortAllocator : public BasicPortAllocator {
public:
// Records the port on the hosts that will receive HTTP requests.
static const int kHostPort;
// The number of HTTP requests we should attempt before giving up.
static const int kNumRetries;
// Records the URL that we will GET in order to create a session.
static const std::string kCreateSessionURL;
HttpPortAllocator(talk_base::NetworkManager* network_manager,
const std::string& user_agent);
HttpPortAllocator(talk_base::NetworkManager* network_manager,
talk_base::PacketSocketFactory* socket_factory,
const std::string& user_agent);
virtual ~HttpPortAllocator();
virtual PortAllocatorSession* CreateSession(const std::string& name,
const std::string& session_type);
void SetStunHosts(const std::vector<talk_base::SocketAddress>& hosts) {
if (!hosts.empty()) {
stun_hosts_ = hosts;
}
}
void SetRelayHosts(const std::vector<std::string>& hosts) {
if (!hosts.empty()) {
relay_hosts_ = hosts;
}
}
void SetRelayToken(const std::string& relay) { relay_token_ = relay; }
const std::vector<talk_base::SocketAddress>& stun_hosts() const {
return stun_hosts_;
}
const std::vector<std::string>& relay_hosts() const {
return relay_hosts_;
}
const std::string& relay_token() const {
return relay_token_;
}
const std::string& user_agent() const {
return agent_;
}
private:
std::vector<talk_base::SocketAddress> stun_hosts_;
std::vector<std::string> relay_hosts_;
std::string relay_token_;
std::string agent_;
};
class RequestData;
class HttpPortAllocatorSession : public BasicPortAllocatorSession {
public:
HttpPortAllocatorSession(
HttpPortAllocator* allocator,
const std::string& name,
const std::string& session_type,
const std::vector<talk_base::SocketAddress>& stun_hosts,
const std::vector<std::string>& relay_hosts,
const std::string& relay,
const std::string& agent);
virtual ~HttpPortAllocatorSession() {}
const std::string& relay_token() const {
return relay_token_;
}
virtual void SendSessionRequest(const std::string& host, int port);
virtual void ReceiveSessionResponse(const std::string& response);
protected:
virtual void GetPortConfigurations();
void TryCreateRelaySession();
private:
virtual HttpPortAllocator* allocator() {
return static_cast<HttpPortAllocator*>(
BasicPortAllocatorSession::allocator());
}
void OnRequestDone(talk_base::SignalThread* request);
std::vector<std::string> relay_hosts_;
std::vector<talk_base::SocketAddress> stun_hosts_;
std::string relay_token_;
std::string agent_;
int attempts_;
};
} // namespace cricket
#endif // TALK_P2P_CLIENT_HTTPPORTALLOCATOR_H_