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| 1 // Copyright 2015 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 "blimp/net/tcp_engine_transport.h" | |
| 6 | |
| 7 #include <memory> | |
| 8 #include <utility> | |
| 9 | |
| 10 #include "base/callback.h" | |
| 11 #include "base/callback_helpers.h" | |
| 12 #include "base/location.h" | |
| 13 #include "base/memory/ptr_util.h" | |
| 14 #include "base/threading/thread_task_runner_handle.h" | |
| 15 #include "blimp/net/message_port.h" | |
| 16 #include "blimp/net/tcp_connection.h" | |
| 17 #include "net/log/net_log_source.h" | |
| 18 #include "net/socket/stream_socket.h" | |
| 19 #include "net/socket/tcp_server_socket.h" | |
| 20 | |
| 21 namespace blimp { | |
| 22 | |
| 23 TCPEngineTransport::TCPEngineTransport(const net::IPEndPoint& address, | |
| 24 net::NetLog* net_log) | |
| 25 : address_(address), net_log_(net_log), weak_factory_(this) {} | |
| 26 | |
| 27 TCPEngineTransport::~TCPEngineTransport() {} | |
| 28 | |
| 29 void TCPEngineTransport::Connect(const net::CompletionCallback& callback) { | |
| 30 DCHECK(!accepted_socket_); | |
| 31 DCHECK(!callback.is_null()); | |
| 32 | |
| 33 if (!server_socket_) { | |
| 34 server_socket_.reset( | |
| 35 new net::TCPServerSocket(net_log_, net::NetLogSource())); | |
| 36 int result = server_socket_->Listen(address_, 5); | |
| 37 if (result != net::OK) { | |
| 38 server_socket_.reset(); | |
| 39 base::ThreadTaskRunnerHandle::Get()->PostTask( | |
| 40 FROM_HERE, base::Bind(callback, result)); | |
| 41 return; | |
| 42 } | |
| 43 } | |
| 44 | |
| 45 net::CompletionCallback accept_callback = base::Bind( | |
| 46 &TCPEngineTransport::OnTCPConnectAccepted, weak_factory_.GetWeakPtr()); | |
| 47 | |
| 48 connect_callback_ = callback; | |
| 49 int result = server_socket_->Accept(&accepted_socket_, accept_callback); | |
| 50 if (result == net::ERR_IO_PENDING) { | |
| 51 return; | |
| 52 } | |
| 53 | |
| 54 base::ThreadTaskRunnerHandle::Get()->PostTask( | |
| 55 FROM_HERE, base::Bind(&TCPEngineTransport::OnTCPConnectAccepted, | |
| 56 weak_factory_.GetWeakPtr(), result)); | |
| 57 } | |
| 58 | |
| 59 std::unique_ptr<MessagePort> TCPEngineTransport::TakeMessagePort() { | |
| 60 DCHECK(connect_callback_.is_null()); | |
| 61 DCHECK(accepted_socket_); | |
| 62 return MessagePort::CreateForStreamSocketWithCompression( | |
| 63 std::move(accepted_socket_)); | |
| 64 } | |
| 65 | |
| 66 std::unique_ptr<BlimpConnection> TCPEngineTransport::MakeConnection() { | |
| 67 return base::MakeUnique<TCPConnection>(TakeMessagePort()); | |
| 68 } | |
| 69 | |
| 70 const char* TCPEngineTransport::GetName() const { | |
| 71 return "TCP"; | |
| 72 } | |
| 73 | |
| 74 void TCPEngineTransport::GetLocalAddress(net::IPEndPoint* address) const { | |
| 75 DCHECK(server_socket_); | |
| 76 server_socket_->GetLocalAddress(address); | |
| 77 } | |
| 78 | |
| 79 void TCPEngineTransport::OnTCPConnectAccepted(int result) { | |
| 80 DCHECK_NE(net::ERR_IO_PENDING, result); | |
| 81 DCHECK(accepted_socket_); | |
| 82 if (result != net::OK) { | |
| 83 accepted_socket_.reset(); | |
| 84 } | |
| 85 base::ResetAndReturn(&connect_callback_).Run(result); | |
| 86 } | |
| 87 | |
| 88 } // namespace blimp | |
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