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| 1 // Copyright (c) 2011 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_JINGLE_GLUE_IQ_REQUEST_H_ | |
| 6 #define REMOTING_JINGLE_GLUE_IQ_REQUEST_H_ | |
| 7 | |
| 8 #include <map> | |
| 9 #include <string> | |
| 10 | |
| 11 #include "base/callback.h" | |
| 12 #include "base/compiler_specific.h" | |
| 13 #include "base/gtest_prod_util.h" | |
| 14 #include "base/memory/scoped_ptr.h" | |
| 15 #include "remoting/jingle_glue/iq_request.h" | |
| 16 | |
| 17 namespace buzz { | |
| 18 class XmlElement; | |
| 19 } // namespace buzz | |
| 20 | |
| 21 namespace remoting { | |
| 22 | |
| 23 class IqRequest; | |
| 24 class SignalStrategy; | |
| 25 | |
| 26 // IqRegistry handles routing of iq responses to corresponding | |
| 27 // IqRequest objects. Created in SignalStrategy and should not be used | |
| 28 // directly. | |
| 29 // | |
| 30 // TODO(sergeyu): Separate IqRegistry and IqRequest from | |
| 31 // SignalStrategy and remove CreateIqRequest() method from SignalStrategy. | |
| 32 class IqRegistry { | |
| 33 public: | |
| 34 IqRegistry(); | |
| 35 ~IqRegistry(); | |
| 36 | |
| 37 // Dispatches the response to the IqRequest callback immediately. | |
| 38 // | |
| 39 // Does not take ownership of stanza. | |
| 40 void DispatchResponse(buzz::XmlElement* stanza); | |
| 41 | |
| 42 // Registers |request| with the specified |id|. | |
| 43 void RegisterRequest(IqRequest* request, const std::string& id); | |
| 44 | |
| 45 // Removes all entries in the registry that refer to |request|. | |
| 46 void RemoveAllRequests(IqRequest* request); | |
| 47 | |
| 48 void SetDefaultHandler(IqRequest* default_request); | |
| 49 | |
| 50 // Called by SignalStrategy implementation. Returns true if the | |
| 51 // stanza was handled and should not be processed further. | |
| 52 bool OnIncomingStanza(const buzz::XmlElement* stanza); | |
| 53 | |
| 54 private: | |
| 55 typedef std::map<std::string, IqRequest*> IqRequestMap; | |
| 56 | |
| 57 IqRequestMap requests_; | |
| 58 | |
| 59 DISALLOW_COPY_AND_ASSIGN(IqRegistry); | |
| 60 }; | |
| 61 | |
| 62 // This call must only be used on the thread it was created on. | |
| 63 class IqRequest { | |
| 64 public: | |
| 65 typedef base::Callback<void(const buzz::XmlElement*)> ReplyCallback; | |
| 66 | |
| 67 static buzz::XmlElement* MakeIqStanza(const std::string& type, | |
| 68 const std::string& addressee, | |
| 69 buzz::XmlElement* iq_body); | |
| 70 | |
| 71 IqRequest(); // Should be used for tests only. | |
| 72 IqRequest(SignalStrategy* signal_strategy, IqRegistry* registry); | |
| 73 virtual ~IqRequest(); | |
| 74 | |
| 75 // Sends Iq stanza. Takes ownership of |stanza|. | |
| 76 virtual void SendIq(buzz::XmlElement* stanza); | |
| 77 | |
| 78 // Sets callback that is called when reply stanza is received. | |
| 79 virtual void set_callback(const ReplyCallback& callback); | |
| 80 | |
| 81 private: | |
| 82 friend class IqRegistry; | |
| 83 FRIEND_TEST_ALL_PREFIXES(IqRequestTest, MakeIqStanza); | |
| 84 | |
| 85 ReplyCallback callback_; | |
| 86 SignalStrategy* signal_strategy_; | |
| 87 IqRegistry* registry_; | |
| 88 | |
| 89 DISALLOW_COPY_AND_ASSIGN(IqRequest); | |
| 90 }; | |
| 91 | |
| 92 } // namespace remoting | |
| 93 | |
| 94 #endif // REMOTING_JINGLE_GLUE_IQ_REQUEST_H_ | |
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