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1 // Copyright 2013 The Chromium Authors. All rights reserved. | 1 // Copyright 2013 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 "net/dns/mdns_client.h" | 5 #include "net/dns/mdns_client.h" |
6 | 6 |
7 #include "net/base/net_errors.h" | 7 #include "net/base/net_errors.h" |
8 #include "net/base/net_util.h" | 8 #include "net/base/net_util.h" |
9 #include "net/base/network_interfaces.h" | 9 #include "net/base/network_interfaces.h" |
10 #include "net/dns/dns_protocol.h" | 10 #include "net/dns/dns_protocol.h" |
11 #include "net/dns/mdns_client_impl.h" | 11 #include "net/dns/mdns_client_impl.h" |
12 | 12 |
13 namespace net { | 13 namespace net { |
14 | 14 |
15 namespace { | 15 namespace { |
16 | 16 |
17 const char kMDnsMulticastGroupIPv4[] = "224.0.0.251"; | 17 const char kMDnsMulticastGroupIPv4[] = "224.0.0.251"; |
18 const char kMDnsMulticastGroupIPv6[] = "FF02::FB"; | 18 const char kMDnsMulticastGroupIPv6[] = "FF02::FB"; |
19 | 19 |
20 IPEndPoint GetMDnsIPEndPoint(const char* address) { | 20 IPEndPoint GetMDnsIPEndPoint(const char* address) { |
21 IPAddressNumber multicast_group_number; | 21 IPAddressNumber multicast_group_number; |
22 bool success = ParseIPLiteralToNumber(address, | 22 bool success = ParseIPLiteralToNumber(address, |
23 &multicast_group_number); | 23 &multicast_group_number); |
24 DCHECK(success); | 24 DCHECK(success); |
25 return IPEndPoint(multicast_group_number, | 25 return IPEndPoint(multicast_group_number, |
26 dns_protocol::kDefaultPortMulticast); | 26 dns_protocol::kDefaultPortMulticast); |
27 } | 27 } |
28 | 28 |
29 int Bind(const IPEndPoint& multicast_addr, | 29 int Bind(const IPEndPoint& multicast_addr, |
30 uint32 interface_index, | 30 uint32_t interface_index, |
31 DatagramServerSocket* socket) { | 31 DatagramServerSocket* socket) { |
32 IPAddressNumber address_any(multicast_addr.address().size()); | 32 IPAddressNumber address_any(multicast_addr.address().size()); |
33 IPEndPoint bind_endpoint(address_any, multicast_addr.port()); | 33 IPEndPoint bind_endpoint(address_any, multicast_addr.port()); |
34 | 34 |
35 socket->AllowAddressReuse(); | 35 socket->AllowAddressReuse(); |
36 socket->SetMulticastInterface(interface_index); | 36 socket->SetMulticastInterface(interface_index); |
37 | 37 |
38 int rv = socket->Listen(bind_endpoint); | 38 int rv = socket->Listen(bind_endpoint); |
39 if (rv < OK) | 39 if (rv < OK) |
40 return rv; | 40 return rv; |
(...skipping 39 matching lines...) Expand 10 before | Expand all | Expand 10 after Loading... |
80 } | 80 } |
81 std::sort(interfaces.begin(), interfaces.end()); | 81 std::sort(interfaces.begin(), interfaces.end()); |
82 // Interfaces could have multiple addresses. Filter out duplicate entries. | 82 // Interfaces could have multiple addresses. Filter out duplicate entries. |
83 interfaces.erase(std::unique(interfaces.begin(), interfaces.end()), | 83 interfaces.erase(std::unique(interfaces.begin(), interfaces.end()), |
84 interfaces.end()); | 84 interfaces.end()); |
85 return interfaces; | 85 return interfaces; |
86 } | 86 } |
87 | 87 |
88 scoped_ptr<DatagramServerSocket> CreateAndBindMDnsSocket( | 88 scoped_ptr<DatagramServerSocket> CreateAndBindMDnsSocket( |
89 AddressFamily address_family, | 89 AddressFamily address_family, |
90 uint32 interface_index) { | 90 uint32_t interface_index) { |
91 scoped_ptr<DatagramServerSocket> socket( | 91 scoped_ptr<DatagramServerSocket> socket( |
92 new UDPServerSocket(NULL, NetLog::Source())); | 92 new UDPServerSocket(NULL, NetLog::Source())); |
93 | 93 |
94 IPEndPoint multicast_addr = GetMDnsIPEndPoint(address_family); | 94 IPEndPoint multicast_addr = GetMDnsIPEndPoint(address_family); |
95 int rv = Bind(multicast_addr, interface_index, socket.get()); | 95 int rv = Bind(multicast_addr, interface_index, socket.get()); |
96 if (rv != OK) { | 96 if (rv != OK) { |
97 socket.reset(); | 97 socket.reset(); |
98 VLOG(1) << "Bind failed, endpoint=" << multicast_addr.ToStringWithoutPort() | 98 VLOG(1) << "Bind failed, endpoint=" << multicast_addr.ToStringWithoutPort() |
99 << ", error=" << rv; | 99 << ", error=" << rv; |
100 } | 100 } |
101 return socket.Pass(); | 101 return socket.Pass(); |
102 } | 102 } |
103 | 103 |
104 } // namespace net | 104 } // namespace net |
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