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| 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 NET_SOCKET_SOCKS_CLIENT_SOCKET_POOL_H_ | |
| 6 #define NET_SOCKET_SOCKS_CLIENT_SOCKET_POOL_H_ | |
| 7 | |
| 8 #include <string> | |
| 9 | |
| 10 #include "base/basictypes.h" | |
| 11 #include "base/compiler_specific.h" | |
| 12 #include "base/memory/ref_counted.h" | |
| 13 #include "base/memory/scoped_ptr.h" | |
| 14 #include "base/time/time.h" | |
| 15 #include "net/base/host_port_pair.h" | |
| 16 #include "net/dns/host_resolver.h" | |
| 17 #include "net/socket/client_socket_pool.h" | |
| 18 #include "net/socket/client_socket_pool_base.h" | |
| 19 #include "net/socket/client_socket_pool_histograms.h" | |
| 20 | |
| 21 namespace net { | |
| 22 | |
| 23 class ConnectJobFactory; | |
| 24 class TransportClientSocketPool; | |
| 25 class TransportSocketParams; | |
| 26 | |
| 27 class NET_EXPORT_PRIVATE SOCKSSocketParams | |
| 28 : public base::RefCounted<SOCKSSocketParams> { | |
| 29 public: | |
| 30 SOCKSSocketParams(const scoped_refptr<TransportSocketParams>& proxy_server, | |
| 31 bool socks_v5, const HostPortPair& host_port_pair); | |
| 32 | |
| 33 const scoped_refptr<TransportSocketParams>& transport_params() const { | |
| 34 return transport_params_; | |
| 35 } | |
| 36 const HostResolver::RequestInfo& destination() const { return destination_; } | |
| 37 bool is_socks_v5() const { return socks_v5_; } | |
| 38 bool ignore_limits() const { return ignore_limits_; } | |
| 39 | |
| 40 private: | |
| 41 friend class base::RefCounted<SOCKSSocketParams>; | |
| 42 ~SOCKSSocketParams(); | |
| 43 | |
| 44 // The transport (likely TCP) connection must point toward the proxy server. | |
| 45 const scoped_refptr<TransportSocketParams> transport_params_; | |
| 46 // This is the HTTP destination. | |
| 47 HostResolver::RequestInfo destination_; | |
| 48 const bool socks_v5_; | |
| 49 bool ignore_limits_; | |
| 50 | |
| 51 DISALLOW_COPY_AND_ASSIGN(SOCKSSocketParams); | |
| 52 }; | |
| 53 | |
| 54 // SOCKSConnectJob handles the handshake to a socks server after setting up | |
| 55 // an underlying transport socket. | |
| 56 class SOCKSConnectJob : public ConnectJob { | |
| 57 public: | |
| 58 SOCKSConnectJob(const std::string& group_name, | |
| 59 RequestPriority priority, | |
| 60 const scoped_refptr<SOCKSSocketParams>& params, | |
| 61 const base::TimeDelta& timeout_duration, | |
| 62 TransportClientSocketPool* transport_pool, | |
| 63 HostResolver* host_resolver, | |
| 64 Delegate* delegate, | |
| 65 NetLog* net_log); | |
| 66 ~SOCKSConnectJob() override; | |
| 67 | |
| 68 // ConnectJob methods. | |
| 69 LoadState GetLoadState() const override; | |
| 70 | |
| 71 private: | |
| 72 enum State { | |
| 73 STATE_TRANSPORT_CONNECT, | |
| 74 STATE_TRANSPORT_CONNECT_COMPLETE, | |
| 75 STATE_SOCKS_CONNECT, | |
| 76 STATE_SOCKS_CONNECT_COMPLETE, | |
| 77 STATE_NONE, | |
| 78 }; | |
| 79 | |
| 80 void OnIOComplete(int result); | |
| 81 | |
| 82 // Runs the state transition loop. | |
| 83 int DoLoop(int result); | |
| 84 | |
| 85 int DoTransportConnect(); | |
| 86 int DoTransportConnectComplete(int result); | |
| 87 int DoSOCKSConnect(); | |
| 88 int DoSOCKSConnectComplete(int result); | |
| 89 | |
| 90 // Begins the transport connection and the SOCKS handshake. Returns OK on | |
| 91 // success and ERR_IO_PENDING if it cannot immediately service the request. | |
| 92 // Otherwise, it returns a net error code. | |
| 93 int ConnectInternal() override; | |
| 94 | |
| 95 scoped_refptr<SOCKSSocketParams> socks_params_; | |
| 96 TransportClientSocketPool* const transport_pool_; | |
| 97 HostResolver* const resolver_; | |
| 98 | |
| 99 State next_state_; | |
| 100 CompletionCallback callback_; | |
| 101 scoped_ptr<ClientSocketHandle> transport_socket_handle_; | |
| 102 scoped_ptr<StreamSocket> socket_; | |
| 103 | |
| 104 DISALLOW_COPY_AND_ASSIGN(SOCKSConnectJob); | |
| 105 }; | |
| 106 | |
| 107 class NET_EXPORT_PRIVATE SOCKSClientSocketPool | |
| 108 : public ClientSocketPool, public HigherLayeredPool { | |
| 109 public: | |
| 110 typedef SOCKSSocketParams SocketParams; | |
| 111 | |
| 112 SOCKSClientSocketPool( | |
| 113 int max_sockets, | |
| 114 int max_sockets_per_group, | |
| 115 ClientSocketPoolHistograms* histograms, | |
| 116 HostResolver* host_resolver, | |
| 117 TransportClientSocketPool* transport_pool, | |
| 118 NetLog* net_log); | |
| 119 | |
| 120 ~SOCKSClientSocketPool() override; | |
| 121 | |
| 122 // ClientSocketPool implementation. | |
| 123 int RequestSocket(const std::string& group_name, | |
| 124 const void* connect_params, | |
| 125 RequestPriority priority, | |
| 126 ClientSocketHandle* handle, | |
| 127 const CompletionCallback& callback, | |
| 128 const BoundNetLog& net_log) override; | |
| 129 | |
| 130 void RequestSockets(const std::string& group_name, | |
| 131 const void* params, | |
| 132 int num_sockets, | |
| 133 const BoundNetLog& net_log) override; | |
| 134 | |
| 135 void CancelRequest(const std::string& group_name, | |
| 136 ClientSocketHandle* handle) override; | |
| 137 | |
| 138 void ReleaseSocket(const std::string& group_name, | |
| 139 scoped_ptr<StreamSocket> socket, | |
| 140 int id) override; | |
| 141 | |
| 142 void FlushWithError(int error) override; | |
| 143 | |
| 144 void CloseIdleSockets() override; | |
| 145 | |
| 146 int IdleSocketCount() const override; | |
| 147 | |
| 148 int IdleSocketCountInGroup(const std::string& group_name) const override; | |
| 149 | |
| 150 LoadState GetLoadState(const std::string& group_name, | |
| 151 const ClientSocketHandle* handle) const override; | |
| 152 | |
| 153 base::DictionaryValue* GetInfoAsValue( | |
| 154 const std::string& name, | |
| 155 const std::string& type, | |
| 156 bool include_nested_pools) const override; | |
| 157 | |
| 158 base::TimeDelta ConnectionTimeout() const override; | |
| 159 | |
| 160 ClientSocketPoolHistograms* histograms() const override; | |
| 161 | |
| 162 // LowerLayeredPool implementation. | |
| 163 bool IsStalled() const override; | |
| 164 | |
| 165 void AddHigherLayeredPool(HigherLayeredPool* higher_pool) override; | |
| 166 | |
| 167 void RemoveHigherLayeredPool(HigherLayeredPool* higher_pool) override; | |
| 168 | |
| 169 // HigherLayeredPool implementation. | |
| 170 bool CloseOneIdleConnection() override; | |
| 171 | |
| 172 private: | |
| 173 typedef ClientSocketPoolBase<SOCKSSocketParams> PoolBase; | |
| 174 | |
| 175 class SOCKSConnectJobFactory : public PoolBase::ConnectJobFactory { | |
| 176 public: | |
| 177 SOCKSConnectJobFactory(TransportClientSocketPool* transport_pool, | |
| 178 HostResolver* host_resolver, | |
| 179 NetLog* net_log) | |
| 180 : transport_pool_(transport_pool), | |
| 181 host_resolver_(host_resolver), | |
| 182 net_log_(net_log) {} | |
| 183 | |
| 184 ~SOCKSConnectJobFactory() override {} | |
| 185 | |
| 186 // ClientSocketPoolBase::ConnectJobFactory methods. | |
| 187 scoped_ptr<ConnectJob> NewConnectJob( | |
| 188 const std::string& group_name, | |
| 189 const PoolBase::Request& request, | |
| 190 ConnectJob::Delegate* delegate) const override; | |
| 191 | |
| 192 base::TimeDelta ConnectionTimeout() const override; | |
| 193 | |
| 194 private: | |
| 195 TransportClientSocketPool* const transport_pool_; | |
| 196 HostResolver* const host_resolver_; | |
| 197 NetLog* net_log_; | |
| 198 | |
| 199 DISALLOW_COPY_AND_ASSIGN(SOCKSConnectJobFactory); | |
| 200 }; | |
| 201 | |
| 202 TransportClientSocketPool* const transport_pool_; | |
| 203 PoolBase base_; | |
| 204 | |
| 205 DISALLOW_COPY_AND_ASSIGN(SOCKSClientSocketPool); | |
| 206 }; | |
| 207 | |
| 208 } // namespace net | |
| 209 | |
| 210 #endif // NET_SOCKET_SOCKS_CLIENT_SOCKET_POOL_H_ | |
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Chromium Code Reviews
Issue 992733002:
Remove //net (except for Android test stuff) and sdch (Closed)
Base URL: git@github.com:domokit/mojo.git@master