1// Copyright (c) 2012 The Chromium Authors. All rights reserved. 2// Use of this source code is governed by a BSD-style license that can be 3// found in the LICENSE file. 4 5#ifndef REMOTING_HOST_REGISTER_SUPPORT_HOST_REQUEST_H_ 6#define REMOTING_HOST_REGISTER_SUPPORT_HOST_REQUEST_H_ 7 8#include <string> 9 10#include "base/callback.h" 11#include "base/memory/ref_counted.h" 12#include "base/memory/scoped_ptr.h" 13#include "remoting/base/rsa_key_pair.h" 14#include "remoting/signaling/signal_strategy.h" 15#include "testing/gtest/include/gtest/gtest_prod.h" 16 17namespace buzz { 18class XmlElement; 19} // namespace buzz 20 21namespace base { 22class TimeDelta; 23} // namespace base 24 25namespace remoting { 26 27class IqRequest; 28class IqSender; 29 30// RegisterSupportHostRequest sends a request to register the host for 31// a SupportID, as soon as the associated SignalStrategy becomes 32// connected. When a response is received from the bot, it calls the 33// callback specified in the Init() method. 34class RegisterSupportHostRequest : public SignalStrategy::Listener { 35 public: 36 // First parameter is set to true on success. Second parameter is 37 // the new SessionID received from the bot. Third parameter is the 38 // amount of time until that id expires. 39 typedef base::Callback<void(bool, const std::string&, 40 const base::TimeDelta&)> RegisterCallback; 41 42 // |signal_strategy| and |key_pair| must outlive this 43 // object. |callback| is called when registration response is 44 // received from the server. Callback is never called if the bot 45 // malfunctions and doesn't respond to the request. 46 // 47 // TODO(sergeyu): This class should have timeout for the bot 48 // response. 49 RegisterSupportHostRequest(SignalStrategy* signal_strategy, 50 scoped_refptr<RsaKeyPair> key_pair, 51 const std::string& directory_bot_jid, 52 const RegisterCallback& callback); 53 virtual ~RegisterSupportHostRequest(); 54 55 // HostStatusObserver implementation. 56 virtual void OnSignalStrategyStateChange( 57 SignalStrategy::State state) OVERRIDE; 58 virtual bool OnSignalStrategyIncomingStanza( 59 const buzz::XmlElement* stanza) OVERRIDE; 60 61 private: 62 void DoSend(); 63 64 scoped_ptr<buzz::XmlElement> CreateRegistrationRequest( 65 const std::string& jid); 66 scoped_ptr<buzz::XmlElement> CreateSignature(const std::string& jid); 67 68 void ProcessResponse(IqRequest* request, const buzz::XmlElement* response); 69 bool ParseResponse(const buzz::XmlElement* response, 70 std::string* support_id, base::TimeDelta* lifetime); 71 72 void CallCallback( 73 bool success, const std::string& support_id, base::TimeDelta lifetime); 74 75 SignalStrategy* signal_strategy_; 76 scoped_refptr<RsaKeyPair> key_pair_; 77 std::string directory_bot_jid_; 78 RegisterCallback callback_; 79 80 scoped_ptr<IqSender> iq_sender_; 81 scoped_ptr<IqRequest> request_; 82 83 DISALLOW_COPY_AND_ASSIGN(RegisterSupportHostRequest); 84}; 85 86} // namespace remoting 87 88#endif // REMOTING_HOST_REGISTER_SUPPORT_HOST_REQUEST_H_ 89