src/content/renderer/p2p/port_allocator.h

   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 CONTENT_RENDERER_P2P_PORT_ALLOCATOR_H_
   6 #define CONTENT_RENDERER_P2P_PORT_ALLOCATOR_H_
   7
   8 #include "base/memory/ref_counted.h"
   9 #include "base/memory/scoped_ptr.h"
  10 #include "net/base/net_util.h"
  11 #include "third_party/WebKit/public/platform/WebURLLoaderClient.h"
  12 #include "third_party/libjingle/source/talk/p2p/client/basicportallocator.h"
  13
  14 namespace blink {
  15 class WebFrame;
  16 class WebURLLoader;
  17 }  // namespace blink
  18
  19 namespace content {
  20
  21 class P2PHostAddressRequest;
  22 class P2PPortAllocatorSession;
  23 class P2PSocketDispatcher;
  24
  25 // TODO(sergeyu): There is overlap between this class and HttpPortAllocator.
  26 // Refactor this class to inherit from HttpPortAllocator to avoid code
  27 // duplication.
  28 class P2PPortAllocator : public cricket::BasicPortAllocator {
  29  public:
  30   struct Config {
  31     Config();
  32     ~Config();
  33
  34     struct RelayServerConfig {
  35       RelayServerConfig();
  36       ~RelayServerConfig();
  37
  38       std::string username;
  39       std::string password;
  40       std::string server_address;
  41       int port;
  42       std::string transport_type;
  43       bool secure;
  44     };
  45
  46     // STUN server address and port.
  47     std::string stun_server;
  48     int stun_server_port;
  49
  50     std::vector<RelayServerConfig> relays;
  51
  52     bool legacy_relay;
  53     // Disable TCP-based transport when set to true.
  54     bool disable_tcp_transport;
  55   };
  56
  57   P2PPortAllocator(blink::WebFrame* web_frame,
  58                    P2PSocketDispatcher* socket_dispatcher,
  59                    talk_base::NetworkManager* network_manager,
  60                    talk_base::PacketSocketFactory* socket_factory,
  61                    const Config& config);
  62   virtual ~P2PPortAllocator();
  63
  64   virtual cricket::PortAllocatorSession* CreateSessionInternal(
  65       const std::string& content_name,
  66       int component,
  67       const std::string& ice_username_fragment,
  68       const std::string& ice_password) OVERRIDE;
  69
  70  private:
  71   friend class P2PPortAllocatorSession;
  72
  73   blink::WebFrame* web_frame_;
  74   P2PSocketDispatcher* socket_dispatcher_;
  75   Config config_;
  76
  77   DISALLOW_COPY_AND_ASSIGN(P2PPortAllocator);
  78 };
  79
  80 class P2PPortAllocatorSession : public cricket::BasicPortAllocatorSession,
  81                                 public blink::WebURLLoaderClient  {
  82  public:
  83   P2PPortAllocatorSession(
  84       P2PPortAllocator* allocator,
  85       const std::string& content_name,
  86       int component,
  87       const std::string& ice_username_fragment,
  88       const std::string& ice_password);
  89   virtual ~P2PPortAllocatorSession();
  90
  91   // blink::WebURLLoaderClient overrides.
  92   virtual void didReceiveData(blink::WebURLLoader* loader,
  93                               const char* data,
  94                               int data_length,
  95                               int encoded_data_length) OVERRIDE;
  96   virtual void didFinishLoading(blink::WebURLLoader* loader,
  97                                 double finish_time,
  98                                 int64_t total_encoded_data_length) OVERRIDE;
  99   virtual void didFail(blink::WebURLLoader* loader,
 100                        const blink::WebURLError& error) OVERRIDE;
 101
 102  protected:
 103   // Overrides for cricket::BasicPortAllocatorSession.
 104   virtual void GetPortConfigurations() OVERRIDE;
 105
 106  private:
 107   // This method allocates non-TURN relay sessions.
 108   void AllocateLegacyRelaySession();
 109   void ParseRelayResponse();
 110
 111   void AddConfig();
 112
 113   P2PPortAllocator* allocator_;
 114
 115   scoped_ptr<blink::WebURLLoader> relay_session_request_;
 116   int relay_session_attempts_;
 117   std::string relay_session_response_;
 118   talk_base::SocketAddress relay_ip_;
 119   int relay_udp_port_;
 120   int relay_tcp_port_;
 121   int relay_ssltcp_port_;
 122   int pending_relay_requests_;
 123
 124   DISALLOW_COPY_AND_ASSIGN(P2PPortAllocatorSession);
 125 };
 126
 127 }  // namespace content
 128
 129 #endif  // CONTENT_RENDERER_P2P_PORT_ALLOCATOR_H_