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| 1 // Copyright (c) 2011 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/udp/udp_client_socket.h" | |
| 6 | |
| 7 #include "net/base/net_errors.h" | |
| 8 | |
| 9 namespace net { | |
| 10 | |
| 11 UDPClientSocket::UDPClientSocket(DatagramSocket::BindType bind_type, | |
| 12 const RandIntCallback& rand_int_cb, | |
| 13 net::NetLog* net_log, | |
| 14 const net::NetLogSource& source) | |
| 15 : socket_(bind_type, rand_int_cb, net_log, source), | |
| 16 network_(NetworkChangeNotifier::kInvalidNetworkHandle) {} | |
| 17 | |
| 18 UDPClientSocket::~UDPClientSocket() { | |
| 19 } | |
| 20 | |
| 21 int UDPClientSocket::Connect(const IPEndPoint& address) { | |
| 22 int rv = socket_.Open(address.GetFamily()); | |
| 23 if (rv != OK) | |
| 24 return rv; | |
| 25 return socket_.Connect(address); | |
| 26 } | |
| 27 | |
| 28 int UDPClientSocket::ConnectUsingNetwork( | |
| 29 NetworkChangeNotifier::NetworkHandle network, | |
| 30 const IPEndPoint& address) { | |
| 31 if (!NetworkChangeNotifier::AreNetworkHandlesSupported()) | |
| 32 return ERR_NOT_IMPLEMENTED; | |
| 33 int rv = socket_.Open(address.GetFamily()); | |
| 34 if (rv != OK) | |
| 35 return rv; | |
| 36 rv = socket_.BindToNetwork(network); | |
| 37 if (rv != OK) | |
| 38 return rv; | |
| 39 network_ = network; | |
| 40 return socket_.Connect(address); | |
| 41 } | |
| 42 | |
| 43 int UDPClientSocket::ConnectUsingDefaultNetwork(const IPEndPoint& address) { | |
| 44 if (!NetworkChangeNotifier::AreNetworkHandlesSupported()) | |
| 45 return ERR_NOT_IMPLEMENTED; | |
| 46 int rv; | |
| 47 rv = socket_.Open(address.GetFamily()); | |
| 48 if (rv != OK) | |
| 49 return rv; | |
| 50 // Calling connect() will bind a socket to the default network, however there | |
| 51 // is no way to determine what network the socket got bound to. The | |
| 52 // alternative is to query what the default network is and bind the socket to | |
| 53 // that network explicitly, however this is racy because the default network | |
| 54 // can change in between when we query it and when we bind to it. This is | |
| 55 // rare but should be accounted for. Since changes of the default network | |
| 56 // should not come in quick succession, we can simply try again. | |
| 57 NetworkChangeNotifier::NetworkHandle network; | |
| 58 for (int attempt = 0; attempt < 2; attempt++) { | |
| 59 network = NetworkChangeNotifier::GetDefaultNetwork(); | |
| 60 if (network == NetworkChangeNotifier::kInvalidNetworkHandle) | |
| 61 return ERR_INTERNET_DISCONNECTED; | |
| 62 rv = socket_.BindToNetwork(network); | |
| 63 // |network| may have disconnected between the call to GetDefaultNetwork() | |
| 64 // and the call to BindToNetwork(). Loop only if this is the case (|rv| will | |
| 65 // be ERR_NETWORK_CHANGED). | |
| 66 if (rv != ERR_NETWORK_CHANGED) | |
| 67 break; | |
| 68 } | |
| 69 if (rv != OK) | |
| 70 return rv; | |
| 71 network_ = network; | |
| 72 return socket_.Connect(address); | |
| 73 } | |
| 74 | |
| 75 NetworkChangeNotifier::NetworkHandle UDPClientSocket::GetBoundNetwork() const { | |
| 76 return network_; | |
| 77 } | |
| 78 | |
| 79 int UDPClientSocket::Read(IOBuffer* buf, | |
| 80 int buf_len, | |
| 81 const CompletionCallback& callback) { | |
| 82 return socket_.Read(buf, buf_len, callback); | |
| 83 } | |
| 84 | |
| 85 int UDPClientSocket::Write(IOBuffer* buf, | |
| 86 int buf_len, | |
| 87 const CompletionCallback& callback) { | |
| 88 return socket_.Write(buf, buf_len, callback); | |
| 89 } | |
| 90 | |
| 91 void UDPClientSocket::Close() { | |
| 92 socket_.Close(); | |
| 93 } | |
| 94 | |
| 95 int UDPClientSocket::GetPeerAddress(IPEndPoint* address) const { | |
| 96 return socket_.GetPeerAddress(address); | |
| 97 } | |
| 98 | |
| 99 int UDPClientSocket::GetLocalAddress(IPEndPoint* address) const { | |
| 100 return socket_.GetLocalAddress(address); | |
| 101 } | |
| 102 | |
| 103 int UDPClientSocket::SetReceiveBufferSize(int32_t size) { | |
| 104 return socket_.SetReceiveBufferSize(size); | |
| 105 } | |
| 106 | |
| 107 int UDPClientSocket::SetSendBufferSize(int32_t size) { | |
| 108 return socket_.SetSendBufferSize(size); | |
| 109 } | |
| 110 | |
| 111 int UDPClientSocket::SetDoNotFragment() { | |
| 112 return socket_.SetDoNotFragment(); | |
| 113 } | |
| 114 | |
| 115 const NetLogWithSource& UDPClientSocket::NetLog() const { | |
| 116 return socket_.NetLog(); | |
| 117 } | |
| 118 | |
| 119 void UDPClientSocket::UseNonBlockingIO() { | |
| 120 #if defined(OS_WIN) | |
| 121 socket_.UseNonBlockingIO(); | |
| 122 #endif | |
| 123 } | |
| 124 | |
| 125 } // namespace net | |
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Chromium Code Reviews
Issue 2508593002:
net: move udp directory into socket (Closed)
