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1 // Copyright 2016 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_PROTOCOL_PORT_ALLOCATOR_BASE_H_ | |
6 #define REMOTING_PROTOCOL_PORT_ALLOCATOR_BASE_H_ | |
7 | |
8 #include <string> | |
9 #include <vector> | |
10 | |
11 #include "base/memory/weak_ptr.h" | |
12 #include "third_party/webrtc/p2p/client/basicportallocator.h" | |
13 | |
14 namespace remoting { | |
15 namespace protocol { | |
16 | |
17 class TransportContext; | |
18 | |
19 class PortAllocatorBase : public cricket::BasicPortAllocator { | |
20 public: | |
21 // The number of HTTP requests we should attempt before giving up. | |
22 static const int kNumRetries; | |
23 | |
24 PortAllocatorBase(scoped_ptr<rtc::NetworkManager> network_manager, | |
25 scoped_ptr<rtc::PacketSocketFactory> socket_factory, | |
26 scoped_refptr<TransportContext> transport_context); | |
27 ~PortAllocatorBase() override; | |
28 | |
29 scoped_refptr<TransportContext> transport_context() { | |
30 return transport_context_; | |
31 } | |
32 | |
33 // CreateSession is defined in cricket::BasicPortAllocator but is | |
34 // redefined here as pure virtual. | |
35 cricket::PortAllocatorSession* CreateSessionInternal( | |
36 const std::string& content_name, | |
37 int component, | |
38 const std::string& ice_ufrag, | |
39 const std::string& ice_pwd) override = 0; | |
40 | |
41 private: | |
42 scoped_ptr<rtc::NetworkManager> network_manager_; | |
43 scoped_ptr<rtc::PacketSocketFactory> socket_factory_; | |
44 scoped_refptr<TransportContext> transport_context_; | |
45 }; | |
46 | |
47 class PortAllocatorSessionBase : public cricket::BasicPortAllocatorSession { | |
48 public: | |
49 PortAllocatorSessionBase(PortAllocatorBase* allocator, | |
50 const std::string& content_name, | |
51 int component, | |
52 const std::string& ice_ufrag, | |
53 const std::string& ice_pwd); | |
54 ~PortAllocatorSessionBase() override; | |
55 | |
56 virtual void SendSessionRequest(const std::string& host) = 0; | |
57 void ReceiveSessionResponse(const std::string& response); | |
58 | |
59 protected: | |
60 std::string GetSessionRequestUrl(); | |
61 | |
62 void GetPortConfigurations() override; | |
63 void OnJingleInfo(std::vector<rtc::SocketAddress> stun_hosts, | |
64 std::vector<std::string> relay_hosts, | |
65 std::string relay_token); | |
66 void TryCreateRelaySession(); | |
67 | |
68 const std::string& relay_token() const { return relay_token_; } | |
69 | |
70 private: | |
71 scoped_refptr<TransportContext> transport_context_; | |
72 | |
73 std::vector<rtc::SocketAddress> stun_hosts_; | |
74 std::vector<std::string> relay_hosts_; | |
75 std::string relay_token_; | |
76 | |
77 int attempts_ = 0; | |
78 | |
79 base::WeakPtrFactory<PortAllocatorSessionBase> weak_factory_; | |
80 }; | |
81 | |
82 } // namespace protocol | |
83 } // namespace remoting | |
84 | |
85 #endif // REMOTING_PROTOCOL_PORT_ALLOCATOR_BASE_H_ | |
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