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// Copyright 2016 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#ifndef REMOTING_PROTOCOL_PORT_ALLOCATOR_H_
#define REMOTING_PROTOCOL_PORT_ALLOCATOR_H_
#include <string>
#include <vector>
#include "base/memory/weak_ptr.h"
#include "remoting/base/url_request.h"
#include "remoting/protocol/ice_config.h"
#include "remoting/protocol/transport_context.h"
#include "third_party/webrtc/p2p/client/basicportallocator.h"
namespace remoting {
namespace protocol {
class PortAllocator : public cricket::BasicPortAllocator {
public:
PortAllocator(scoped_ptr<rtc::NetworkManager> network_manager,
scoped_ptr<rtc::PacketSocketFactory> socket_factory,
scoped_refptr<TransportContext> transport_context);
~PortAllocator() override;
scoped_refptr<TransportContext> transport_context() {
return transport_context_;
}
cricket::PortAllocatorSession* CreateSessionInternal(
const std::string& content_name,
int component,
const std::string& ice_ufrag,
const std::string& ice_pwd) override;
private:
scoped_ptr<rtc::NetworkManager> network_manager_;
scoped_ptr<rtc::PacketSocketFactory> socket_factory_;
scoped_refptr<TransportContext> transport_context_;
};
class PortAllocatorSession : public cricket::BasicPortAllocatorSession {
public:
PortAllocatorSession(PortAllocator* allocator,
const std::string& content_name,
int component,
const std::string& ice_ufrag,
const std::string& ice_pwd);
~PortAllocatorSession() override;
private:
bool relay_enabled() {
return !(flags() & cricket::PORTALLOCATOR_DISABLE_RELAY);
}
// BasicPortAllocatorSession overrides.
void GetPortConfigurations() override;
// Callback for TransportContext::GetIceConfig().
void OnIceConfig(const IceConfig& ice_config);
// Creates PortConfiguration that inclues STUN and TURN servers from
// |ice_config_|.
scoped_ptr<cricket::PortConfiguration> GetPortConfiguration();
// Attempts to allocate relay session.
void TryCreateRelaySession();
// Result handler for UrlRequest objects in |url_requests_|.
void OnSessionRequestResult(const UrlRequest::Result& result);
scoped_refptr<TransportContext> transport_context_;
IceConfig ice_config_;
int attempts_ = 0;
std::set<scoped_ptr<UrlRequest>> url_requests_;
base::WeakPtrFactory<PortAllocatorSession> weak_factory_;
};
} // namespace protocol
} // namespace remoting
#endif // REMOTING_PROTOCOL_PORT_ALLOCATOR_H_
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