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| 1 // Copyright (c) 2012 The Chromium Authors. All rights reserved. | 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 | 2 // Use of this source code is governed by a BSD-style license that can be |
| 3 // found in the LICENSE file. | 3 // found in the LICENSE file. |
| 4 | 4 |
| 5 #include "content/browser/renderer_host/pepper/pepper_udp_socket.h" | 5 #include "content/browser/renderer_host/pepper/pepper_udp_socket.h" |
| 6 | 6 |
| 7 #include <string.h> | |
| 8 | |
| 9 #include "base/compiler_specific.h" | |
| 10 #include "base/logging.h" | 7 #include "base/logging.h" |
| 11 #include "content/browser/renderer_host/pepper/pepper_message_filter.h" | 8 #include "content/browser/renderer_host/pepper/pepper_message_filter.h" |
| 12 #include "content/public/browser/browser_thread.h" | 9 #include "ppapi/c/private/ppb_net_address_private.h" |
| 13 #include "net/base/io_buffer.h" | |
| 14 #include "net/base/net_errors.h" | |
| 15 #include "net/udp/udp_server_socket.h" | |
| 16 #include "ppapi/proxy/ppapi_messages.h" | 10 #include "ppapi/proxy/ppapi_messages.h" |
| 17 #include "ppapi/shared_impl/private/net_address_private_impl.h" | |
| 18 | |
| 19 using ppapi::NetAddressPrivateImpl; | |
| 20 | 11 |
| 21 namespace content { | 12 namespace content { |
| 22 | 13 |
| 23 PepperUDPSocket::PepperUDPSocket( | 14 PepperUDPSocket::PepperUDPSocket( |
| 24 PepperMessageFilter* manager, | 15 PepperMessageFilter* manager, |
| 25 int32 routing_id, | 16 int32 routing_id, |
| 26 uint32 plugin_dispatcher_id, | 17 uint32 plugin_dispatcher_id, |
| 27 uint32 socket_id) | 18 uint32 socket_id) |
| 28 : manager_(manager), | 19 : manager_(manager), |
| 29 routing_id_(routing_id), | 20 routing_id_(routing_id), |
| 30 plugin_dispatcher_id_(plugin_dispatcher_id), | 21 plugin_dispatcher_id_(plugin_dispatcher_id), |
| 31 socket_id_(socket_id), | 22 socket_id_(socket_id) { |
| 32 allow_address_reuse_(false), | |
| 33 allow_broadcast_(false) { | |
| 34 DCHECK(manager); | 23 DCHECK(manager); |
| 35 } | 24 } |
| 36 | 25 |
| 37 PepperUDPSocket::~PepperUDPSocket() { | 26 PepperUDPSocket::~PepperUDPSocket() { |
| 38 // Make sure there are no further callbacks from socket_. | |
| 39 if (socket_.get()) | |
| 40 socket_->Close(); | |
| 41 } | 27 } |
| 42 | 28 |
| 43 void PepperUDPSocket::AllowAddressReuse(bool value) { | 29 void PepperUDPSocket::SendBindReply(bool succeeded, |
| 44 allow_address_reuse_ = value; | 30 const PP_NetAddress_Private& addr) { |
| 31 manager_->Send(new PpapiMsg_PPBUDPSocket_BindACK( |
| 32 routing_id_, plugin_dispatcher_id_, socket_id_, succeeded, addr)); |
| 45 } | 33 } |
| 46 | 34 |
| 47 void PepperUDPSocket::AllowBroadcast(bool value) { | 35 void PepperUDPSocket::SendSendToReply(bool succeeded, int32_t bytes_written) { |
| 48 allow_broadcast_ = value; | 36 manager_->Send(new PpapiMsg_PPBUDPSocket_SendToACK( |
| 37 routing_id_, plugin_dispatcher_id_, socket_id_, |
| 38 succeeded, bytes_written)); |
| 49 } | 39 } |
| 50 | 40 |
| 51 void PepperUDPSocket::Bind(const PP_NetAddress_Private& addr) { | 41 void PepperUDPSocket::SendRecvFromReply(bool succeeded, |
| 52 socket_.reset(new net::UDPServerSocket(NULL, net::NetLog::Source())); | 42 const std::string& data, |
| 53 | 43 const PP_NetAddress_Private& addr) { |
| 54 net::IPAddressNumber address; | |
| 55 int port; | |
| 56 if (!socket_.get() || | |
| 57 !NetAddressPrivateImpl::NetAddressToIPEndPoint(addr, &address, &port)) { | |
| 58 SendBindACKError(); | |
| 59 return; | |
| 60 } | |
| 61 | |
| 62 if (allow_address_reuse_) | |
| 63 socket_->AllowAddressReuse(); | |
| 64 if (allow_broadcast_) | |
| 65 socket_->AllowBroadcast(); | |
| 66 | |
| 67 int result = socket_->Listen(net::IPEndPoint(address, port)); | |
| 68 | |
| 69 if (result == net::OK && | |
| 70 socket_->GetLocalAddress(&bound_address_) != net::OK) { | |
| 71 SendBindACKError(); | |
| 72 return; | |
| 73 } | |
| 74 | |
| 75 OnBindCompleted(result); | |
| 76 } | |
| 77 | |
| 78 void PepperUDPSocket::RecvFrom(int32_t num_bytes) { | |
| 79 if (recvfrom_buffer_.get()) { | |
| 80 SendRecvFromACKError(); | |
| 81 return; | |
| 82 } | |
| 83 | |
| 84 recvfrom_buffer_ = new net::IOBuffer(num_bytes); | |
| 85 int result = socket_->RecvFrom( | |
| 86 recvfrom_buffer_, num_bytes, &recvfrom_address_, | |
| 87 base::Bind(&PepperUDPSocket::OnRecvFromCompleted, | |
| 88 base::Unretained(this))); | |
| 89 | |
| 90 if (result != net::ERR_IO_PENDING) | |
| 91 OnRecvFromCompleted(result); | |
| 92 } | |
| 93 | |
| 94 void PepperUDPSocket::SendTo(const std::string& data, | |
| 95 const PP_NetAddress_Private& addr) { | |
| 96 if (sendto_buffer_.get() || data.empty()) { | |
| 97 SendSendToACKError(); | |
| 98 return; | |
| 99 } | |
| 100 | |
| 101 net::IPAddressNumber address; | |
| 102 int port; | |
| 103 if (!NetAddressPrivateImpl::NetAddressToIPEndPoint(addr, &address, &port)) { | |
| 104 SendSendToACKError(); | |
| 105 return; | |
| 106 } | |
| 107 | |
| 108 int data_size = data.size(); | |
| 109 | |
| 110 sendto_buffer_ = new net::IOBuffer(data_size); | |
| 111 memcpy(sendto_buffer_->data(), data.data(), data_size); | |
| 112 int result = socket_->SendTo( | |
| 113 sendto_buffer_, data_size, net::IPEndPoint(address, port), | |
| 114 base::Bind(&PepperUDPSocket::OnSendToCompleted, base::Unretained(this))); | |
| 115 | |
| 116 if (result != net::ERR_IO_PENDING) | |
| 117 OnSendToCompleted(result); | |
| 118 } | |
| 119 | |
| 120 void PepperUDPSocket::SendRecvFromACKError() { | |
| 121 PP_NetAddress_Private addr = NetAddressPrivateImpl::kInvalidNetAddress; | |
| 122 manager_->Send(new PpapiMsg_PPBUDPSocket_RecvFromACK( | 44 manager_->Send(new PpapiMsg_PPBUDPSocket_RecvFromACK( |
| 123 routing_id_, plugin_dispatcher_id_, socket_id_, false, std::string(), | 45 routing_id_, plugin_dispatcher_id_, socket_id_, succeeded, data, addr)); |
| 124 addr)); | |
| 125 } | |
| 126 | |
| 127 void PepperUDPSocket::SendSendToACKError() { | |
| 128 manager_->Send(new PpapiMsg_PPBUDPSocket_SendToACK( | |
| 129 routing_id_, plugin_dispatcher_id_, socket_id_, false, 0)); | |
| 130 } | |
| 131 | |
| 132 void PepperUDPSocket::SendBindACKError() { | |
| 133 PP_NetAddress_Private addr = NetAddressPrivateImpl::kInvalidNetAddress; | |
| 134 manager_->Send(new PpapiMsg_PPBUDPSocket_BindACK( | |
| 135 routing_id_, plugin_dispatcher_id_, socket_id_, false, addr)); | |
| 136 } | |
| 137 | |
| 138 void PepperUDPSocket::OnBindCompleted(int result) { | |
| 139 PP_NetAddress_Private addr = NetAddressPrivateImpl::kInvalidNetAddress; | |
| 140 if (result < 0 || | |
| 141 !NetAddressPrivateImpl::IPEndPointToNetAddress(bound_address_.address(), | |
| 142 bound_address_.port(), | |
| 143 &addr)) { | |
| 144 SendBindACKError(); | |
| 145 } else { | |
| 146 manager_->Send(new PpapiMsg_PPBUDPSocket_BindACK( | |
| 147 routing_id_, plugin_dispatcher_id_, socket_id_, true, addr)); | |
| 148 } | |
| 149 } | |
| 150 | |
| 151 void PepperUDPSocket::OnRecvFromCompleted(int result) { | |
| 152 DCHECK(recvfrom_buffer_.get()); | |
| 153 | |
| 154 // Convert IPEndPoint we get back from RecvFrom to a PP_NetAddress_Private, | |
| 155 // to send back. | |
| 156 PP_NetAddress_Private addr = NetAddressPrivateImpl::kInvalidNetAddress; | |
| 157 if (result < 0 || | |
| 158 !NetAddressPrivateImpl::IPEndPointToNetAddress( | |
| 159 recvfrom_address_.address(), | |
| 160 recvfrom_address_.port(), | |
| 161 &addr)) { | |
| 162 SendRecvFromACKError(); | |
| 163 } else { | |
| 164 manager_->Send(new PpapiMsg_PPBUDPSocket_RecvFromACK( | |
| 165 routing_id_, plugin_dispatcher_id_, socket_id_, true, | |
| 166 std::string(recvfrom_buffer_->data(), result), addr)); | |
| 167 } | |
| 168 | |
| 169 recvfrom_buffer_ = NULL; | |
| 170 } | |
| 171 | |
| 172 void PepperUDPSocket::OnSendToCompleted(int result) { | |
| 173 DCHECK(sendto_buffer_.get()); | |
| 174 | |
| 175 if (result < 0) { | |
| 176 SendSendToACKError(); | |
| 177 } else { | |
| 178 manager_->Send(new PpapiMsg_PPBUDPSocket_SendToACK( | |
| 179 routing_id_, plugin_dispatcher_id_, socket_id_, true, result)); | |
| 180 } | |
| 181 | |
| 182 sendto_buffer_ = NULL; | |
| 183 } | 46 } |
| 184 | 47 |
| 185 } // namespace content | 48 } // namespace content |
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