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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 #ifndef NET_UDP_UDP_SOCKET_LIBEVENT_H_ | 5 #ifndef NET_UDP_UDP_SOCKET_LIBEVENT_H_ |
6 #define NET_UDP_UDP_SOCKET_LIBEVENT_H_ | 6 #define NET_UDP_UDP_SOCKET_LIBEVENT_H_ |
7 | 7 |
8 #include "base/memory/ref_counted.h" | 8 #include "base/memory/ref_counted.h" |
9 #include "base/memory/scoped_ptr.h" | 9 #include "base/memory/scoped_ptr.h" |
10 #include "base/message_loop/message_loop.h" | 10 #include "base/message_loop/message_loop.h" |
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122 | 122 |
123 // Leave the multicast group. | 123 // Leave the multicast group. |
124 // |group_address| is the group address to leave, could be either | 124 // |group_address| is the group address to leave, could be either |
125 // an IPv4 or IPv6 address. If the socket hasn't joined the group, | 125 // an IPv4 or IPv6 address. If the socket hasn't joined the group, |
126 // it will be ignored. | 126 // it will be ignored. |
127 // It's optional to leave the multicast group before destroying | 127 // It's optional to leave the multicast group before destroying |
128 // the socket. It will be done by the OS. | 128 // the socket. It will be done by the OS. |
129 // Return a network error code. | 129 // Return a network error code. |
130 int LeaveGroup(const IPAddressNumber& group_address) const; | 130 int LeaveGroup(const IPAddressNumber& group_address) const; |
131 | 131 |
| 132 // Set interface to use for multicast. If |interface_index| set to 0, default |
| 133 // interface is used. |
| 134 // Should be called before Bind(). |
| 135 // Returns a network error code. |
| 136 int SetMulticastInterface(uint32 interface_index); |
| 137 |
132 // Set the time-to-live option for UDP packets sent to the multicast | 138 // Set the time-to-live option for UDP packets sent to the multicast |
133 // group address. The default value of this option is 1. | 139 // group address. The default value of this option is 1. |
134 // Cannot be negative or more than 255. | 140 // Cannot be negative or more than 255. |
135 // Should be called before Bind(). | 141 // Should be called before Bind(). |
136 // Return a network error code. | 142 // Return a network error code. |
137 int SetMulticastTimeToLive(int time_to_live); | 143 int SetMulticastTimeToLive(int time_to_live); |
138 | 144 |
139 // Set the loopback flag for UDP socket. If this flag is true, the host | 145 // Set the loopback flag for UDP socket. If this flag is true, the host |
140 // will receive packets sent to the joined group from itself. | 146 // will receive packets sent to the joined group from itself. |
141 // The default value of this option is true. | 147 // The default value of this option is true. |
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230 int DoBind(const IPEndPoint& address); | 236 int DoBind(const IPEndPoint& address); |
231 int RandomBind(const IPEndPoint& address); | 237 int RandomBind(const IPEndPoint& address); |
232 | 238 |
233 int socket_; | 239 int socket_; |
234 int addr_family_; | 240 int addr_family_; |
235 | 241 |
236 // Bitwise-or'd combination of SocketOptions. Specifies the set of | 242 // Bitwise-or'd combination of SocketOptions. Specifies the set of |
237 // options that should be applied to |socket_| before Bind(). | 243 // options that should be applied to |socket_| before Bind(). |
238 int socket_options_; | 244 int socket_options_; |
239 | 245 |
| 246 // Multicast interface. |
| 247 uint32 multicast_interface_; |
| 248 |
240 // Multicast socket options cached for SetSocketOption. | 249 // Multicast socket options cached for SetSocketOption. |
241 // Cannot be used after Bind(). | 250 // Cannot be used after Bind(). |
242 int multicast_time_to_live_; | 251 int multicast_time_to_live_; |
243 | 252 |
244 // How to do source port binding, used only when UDPSocket is part of | 253 // How to do source port binding, used only when UDPSocket is part of |
245 // UDPClientSocket, since UDPServerSocket provides Bind. | 254 // UDPClientSocket, since UDPServerSocket provides Bind. |
246 DatagramSocket::BindType bind_type_; | 255 DatagramSocket::BindType bind_type_; |
247 | 256 |
248 // PRNG function for generating port numbers. | 257 // PRNG function for generating port numbers. |
249 RandIntCallback rand_int_cb_; | 258 RandIntCallback rand_int_cb_; |
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278 CompletionCallback write_callback_; | 287 CompletionCallback write_callback_; |
279 | 288 |
280 BoundNetLog net_log_; | 289 BoundNetLog net_log_; |
281 | 290 |
282 DISALLOW_COPY_AND_ASSIGN(UDPSocketLibevent); | 291 DISALLOW_COPY_AND_ASSIGN(UDPSocketLibevent); |
283 }; | 292 }; |
284 | 293 |
285 } // namespace net | 294 } // namespace net |
286 | 295 |
287 #endif // NET_UDP_UDP_SOCKET_LIBEVENT_H_ | 296 #endif // NET_UDP_UDP_SOCKET_LIBEVENT_H_ |
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