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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 #include "net/socket/buffered_write_stream_socket.h" | |
| 6 | |
| 7 #include "base/bind.h" | |
| 8 #include "base/location.h" | |
| 9 #include "base/message_loop/message_loop.h" | |
| 10 #include "net/base/io_buffer.h" | |
| 11 #include "net/base/net_errors.h" | |
| 12 | |
| 13 namespace net { | |
| 14 | |
| 15 namespace { | |
| 16 | |
| 17 void AppendBuffer(GrowableIOBuffer* dst, IOBuffer* src, int src_len) { | |
| 18 int old_capacity = dst->capacity(); | |
| 19 dst->SetCapacity(old_capacity + src_len); | |
| 20 memcpy(dst->StartOfBuffer() + old_capacity, src->data(), src_len); | |
| 21 } | |
| 22 | |
| 23 } // anonymous namespace | |
| 24 | |
| 25 BufferedWriteStreamSocket::BufferedWriteStreamSocket( | |
| 26 scoped_ptr<StreamSocket> socket_to_wrap) | |
| 27 : wrapped_socket_(socket_to_wrap.Pass()), | |
| 28 io_buffer_(new GrowableIOBuffer()), | |
| 29 backup_buffer_(new GrowableIOBuffer()), | |
| 30 callback_pending_(false), | |
| 31 wrapped_write_in_progress_(false), | |
| 32 error_(0), | |
| 33 weak_factory_(this) { | |
| 34 } | |
| 35 | |
| 36 BufferedWriteStreamSocket::~BufferedWriteStreamSocket() { | |
| 37 } | |
| 38 | |
| 39 int BufferedWriteStreamSocket::Read(IOBuffer* buf, int buf_len, | |
| 40 const CompletionCallback& callback) { | |
| 41 return wrapped_socket_->Read(buf, buf_len, callback); | |
| 42 } | |
| 43 | |
| 44 int BufferedWriteStreamSocket::Write(IOBuffer* buf, int buf_len, | |
| 45 const CompletionCallback& callback) { | |
| 46 if (error_) { | |
| 47 return error_; | |
| 48 } | |
| 49 GrowableIOBuffer* idle_buffer = | |
| 50 wrapped_write_in_progress_ ? backup_buffer_.get() : io_buffer_.get(); | |
| 51 AppendBuffer(idle_buffer, buf, buf_len); | |
| 52 if (!callback_pending_) { | |
| 53 base::MessageLoop::current()->PostTask( | |
| 54 FROM_HERE, | |
| 55 base::Bind(&BufferedWriteStreamSocket::DoDelayedWrite, | |
| 56 weak_factory_.GetWeakPtr())); | |
| 57 callback_pending_ = true; | |
| 58 } | |
| 59 return buf_len; | |
| 60 } | |
| 61 | |
| 62 int BufferedWriteStreamSocket::SetReceiveBufferSize(int32 size) { | |
| 63 return wrapped_socket_->SetReceiveBufferSize(size); | |
| 64 } | |
| 65 | |
| 66 int BufferedWriteStreamSocket::SetSendBufferSize(int32 size) { | |
| 67 return wrapped_socket_->SetSendBufferSize(size); | |
| 68 } | |
| 69 | |
| 70 int BufferedWriteStreamSocket::Connect(const CompletionCallback& callback) { | |
| 71 return wrapped_socket_->Connect(callback); | |
| 72 } | |
| 73 | |
| 74 void BufferedWriteStreamSocket::Disconnect() { | |
| 75 wrapped_socket_->Disconnect(); | |
| 76 } | |
| 77 | |
| 78 bool BufferedWriteStreamSocket::IsConnected() const { | |
| 79 return wrapped_socket_->IsConnected(); | |
| 80 } | |
| 81 | |
| 82 bool BufferedWriteStreamSocket::IsConnectedAndIdle() const { | |
| 83 return wrapped_socket_->IsConnectedAndIdle(); | |
| 84 } | |
| 85 | |
| 86 int BufferedWriteStreamSocket::GetPeerAddress(IPEndPoint* address) const { | |
| 87 return wrapped_socket_->GetPeerAddress(address); | |
| 88 } | |
| 89 | |
| 90 int BufferedWriteStreamSocket::GetLocalAddress(IPEndPoint* address) const { | |
| 91 return wrapped_socket_->GetLocalAddress(address); | |
| 92 } | |
| 93 | |
| 94 const BoundNetLog& BufferedWriteStreamSocket::NetLog() const { | |
| 95 return wrapped_socket_->NetLog(); | |
| 96 } | |
| 97 | |
| 98 void BufferedWriteStreamSocket::SetSubresourceSpeculation() { | |
| 99 wrapped_socket_->SetSubresourceSpeculation(); | |
| 100 } | |
| 101 | |
| 102 void BufferedWriteStreamSocket::SetOmniboxSpeculation() { | |
| 103 wrapped_socket_->SetOmniboxSpeculation(); | |
| 104 } | |
| 105 | |
| 106 bool BufferedWriteStreamSocket::WasEverUsed() const { | |
| 107 return wrapped_socket_->WasEverUsed(); | |
| 108 } | |
| 109 | |
| 110 bool BufferedWriteStreamSocket::UsingTCPFastOpen() const { | |
| 111 return wrapped_socket_->UsingTCPFastOpen(); | |
| 112 } | |
| 113 | |
| 114 bool BufferedWriteStreamSocket::WasNpnNegotiated() const { | |
| 115 return wrapped_socket_->WasNpnNegotiated(); | |
| 116 } | |
| 117 | |
| 118 NextProto BufferedWriteStreamSocket::GetNegotiatedProtocol() const { | |
| 119 return wrapped_socket_->GetNegotiatedProtocol(); | |
| 120 } | |
| 121 | |
| 122 bool BufferedWriteStreamSocket::GetSSLInfo(SSLInfo* ssl_info) { | |
| 123 return wrapped_socket_->GetSSLInfo(ssl_info); | |
| 124 } | |
| 125 | |
| 126 void BufferedWriteStreamSocket::DoDelayedWrite() { | |
| 127 int result = wrapped_socket_->Write( | |
| 128 io_buffer_.get(), | |
| 129 io_buffer_->RemainingCapacity(), | |
| 130 base::Bind(&BufferedWriteStreamSocket::OnIOComplete, | |
| 131 base::Unretained(this))); | |
| 132 if (result == ERR_IO_PENDING) { | |
| 133 callback_pending_ = true; | |
| 134 wrapped_write_in_progress_ = true; | |
| 135 } else { | |
| 136 OnIOComplete(result); | |
| 137 } | |
| 138 } | |
| 139 | |
| 140 void BufferedWriteStreamSocket::OnIOComplete(int result) { | |
| 141 callback_pending_ = false; | |
| 142 wrapped_write_in_progress_ = false; | |
| 143 if (backup_buffer_->RemainingCapacity()) { | |
| 144 AppendBuffer(io_buffer_.get(), backup_buffer_.get(), | |
| 145 backup_buffer_->RemainingCapacity()); | |
| 146 backup_buffer_->SetCapacity(0); | |
| 147 } | |
| 148 if (result < 0) { | |
| 149 error_ = result; | |
| 150 io_buffer_->SetCapacity(0); | |
| 151 } else { | |
| 152 io_buffer_->set_offset(io_buffer_->offset() + result); | |
| 153 if (io_buffer_->RemainingCapacity()) { | |
| 154 DoDelayedWrite(); | |
| 155 } else { | |
| 156 io_buffer_->SetCapacity(0); | |
| 157 } | |
| 158 } | |
| 159 } | |
| 160 | |
| 161 } // namespace net | |
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Chromium Code Reviews
Issue 275953002:
Remove HTTP pipelining support. (Closed)
Base URL: svn://svn.chromium.org/chrome/trunk/src