| OLD | NEW |
| (Empty) |
| 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 JINGLE_GLUE_PSEUDOTCP_ADAPTER_H_ | |
| 6 #define JINGLE_GLUE_PSEUDOTCP_ADAPTER_H_ | |
| 7 | |
| 8 #include "base/basictypes.h" | |
| 9 #include "base/compiler_specific.h" | |
| 10 #include "base/memory/ref_counted.h" | |
| 11 #include "base/memory/scoped_ptr.h" | |
| 12 #include "base/threading/non_thread_safe.h" | |
| 13 #include "net/log/net_log.h" | |
| 14 #include "net/socket/stream_socket.h" | |
| 15 #include "third_party/webrtc/p2p/base/pseudotcp.h" | |
| 16 | |
| 17 namespace jingle_glue { | |
| 18 | |
| 19 // PseudoTcpAdapter adapts a connectionless net::Socket to a connection- | |
| 20 // oriented net::StreamSocket using PseudoTcp. Because net::StreamSockets | |
| 21 // can be deleted during callbacks, while PseudoTcp cannot, the core of the | |
| 22 // PseudoTcpAdapter is reference counted, with a reference held by the | |
| 23 // adapter, and an additional reference held on the stack during callbacks. | |
| 24 class PseudoTcpAdapter : public net::StreamSocket, base::NonThreadSafe { | |
| 25 public: | |
| 26 // Creates an adapter for the supplied Socket. |socket| should already | |
| 27 // be ready for use, and ownership of it will be assumed by the adapter. | |
| 28 explicit PseudoTcpAdapter(net::Socket* socket); | |
| 29 ~PseudoTcpAdapter() override; | |
| 30 | |
| 31 // net::Socket implementation. | |
| 32 int Read(net::IOBuffer* buffer, | |
| 33 int buffer_size, | |
| 34 const net::CompletionCallback& callback) override; | |
| 35 int Write(net::IOBuffer* buffer, | |
| 36 int buffer_size, | |
| 37 const net::CompletionCallback& callback) override; | |
| 38 int SetReceiveBufferSize(int32 size) override; | |
| 39 int SetSendBufferSize(int32 size) override; | |
| 40 | |
| 41 // net::StreamSocket implementation. | |
| 42 int Connect(const net::CompletionCallback& callback) override; | |
| 43 void Disconnect() override; | |
| 44 bool IsConnected() const override; | |
| 45 bool IsConnectedAndIdle() const override; | |
| 46 int GetPeerAddress(net::IPEndPoint* address) const override; | |
| 47 int GetLocalAddress(net::IPEndPoint* address) const override; | |
| 48 const net::BoundNetLog& NetLog() const override; | |
| 49 void SetSubresourceSpeculation() override; | |
| 50 void SetOmniboxSpeculation() override; | |
| 51 bool WasEverUsed() const override; | |
| 52 bool UsingTCPFastOpen() const override; | |
| 53 bool WasNpnNegotiated() const override; | |
| 54 net::NextProto GetNegotiatedProtocol() const override; | |
| 55 bool GetSSLInfo(net::SSLInfo* ssl_info) override; | |
| 56 void GetConnectionAttempts(net::ConnectionAttempts* out) const override; | |
| 57 void ClearConnectionAttempts() override {} | |
| 58 void AddConnectionAttempts(const net::ConnectionAttempts& attempts) override { | |
| 59 } | |
| 60 | |
| 61 // Set the delay for sending ACK. | |
| 62 void SetAckDelay(int delay_ms); | |
| 63 | |
| 64 // Set whether Nagle's algorithm is enabled. | |
| 65 void SetNoDelay(bool no_delay); | |
| 66 | |
| 67 // When write_waits_for_send flag is set to true the Write() method | |
| 68 // will wait until the data is sent to the remote end before the | |
| 69 // write completes (it still doesn't wait until the data is received | |
| 70 // and acknowledged by the remote end). Otherwise write completes | |
| 71 // after the data has been copied to the send buffer. | |
| 72 // | |
| 73 // This flag is useful in cases when the sender needs to get | |
| 74 // feedback from the connection when it is congested. E.g. remoting | |
| 75 // host uses this feature to adjust screen capturing rate according | |
| 76 // to the available bandwidth. In the same time it may negatively | |
| 77 // impact performance in some cases. E.g. when the sender writes one | |
| 78 // byte at a time then each byte will always be sent in a separate | |
| 79 // packet. | |
| 80 // | |
| 81 // TODO(sergeyu): Remove this flag once remoting has a better | |
| 82 // flow-control solution. | |
| 83 void SetWriteWaitsForSend(bool write_waits_for_send); | |
| 84 | |
| 85 private: | |
| 86 class Core; | |
| 87 | |
| 88 scoped_refptr<Core> core_; | |
| 89 | |
| 90 net::BoundNetLog net_log_; | |
| 91 | |
| 92 DISALLOW_COPY_AND_ASSIGN(PseudoTcpAdapter); | |
| 93 }; | |
| 94 | |
| 95 } // namespace jingle_glue | |
| 96 | |
| 97 #endif // JINGLE_GLUE_PSEUDOTCP_ADAPTER_H_ | |
| OLD | NEW |