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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 "cloud_print/gcp20/prototype/dns_sd_server.h" | 5 #include "cloud_print/gcp20/prototype/dns_sd_server.h" |
6 | 6 |
7 #include <string.h> | 7 #include <string.h> |
8 | 8 |
9 #include "base/basictypes.h" | 9 #include "base/basictypes.h" |
10 #include "base/bind.h" | 10 #include "base/bind.h" |
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116 net::IPAddressNumber local_ip_any; | 116 net::IPAddressNumber local_ip_any; |
117 bool success = net::ParseIPLiteralToNumber("0.0.0.0", &local_ip_any); | 117 bool success = net::ParseIPLiteralToNumber("0.0.0.0", &local_ip_any); |
118 DCHECK(success); | 118 DCHECK(success); |
119 | 119 |
120 net::IPAddressNumber multicast_dns_ip_address; | 120 net::IPAddressNumber multicast_dns_ip_address; |
121 success = net::ParseIPLiteralToNumber(kDefaultIpAddressMulticast, | 121 success = net::ParseIPLiteralToNumber(kDefaultIpAddressMulticast, |
122 &multicast_dns_ip_address); | 122 &multicast_dns_ip_address); |
123 DCHECK(success); | 123 DCHECK(success); |
124 | 124 |
125 | 125 |
126 socket_.reset(new net::UDPSocket(net::DatagramSocket::DEFAULT_BIND, | 126 socket_.reset(new net::UDPServerSocket(NULL, net::NetLog::Source())); |
127 net::RandIntCallback(), NULL, | |
128 net::NetLog::Source())); | |
129 | 127 |
130 net::IPEndPoint local_address = net::IPEndPoint(local_ip_any, | 128 net::IPEndPoint local_address = net::IPEndPoint(local_ip_any, |
131 kDefaultPortMulticast); | 129 kDefaultPortMulticast); |
132 multicast_address_ = net::IPEndPoint(multicast_dns_ip_address, | 130 multicast_address_ = net::IPEndPoint(multicast_dns_ip_address, |
133 kDefaultPortMulticast); | 131 kDefaultPortMulticast); |
134 | 132 |
135 socket_->AllowAddressReuse(); | 133 socket_->AllowAddressReuse(); |
136 | 134 |
137 int status = socket_->Bind(local_address); | 135 int status = socket_->Listen(local_address); |
138 if (status < 0) | 136 if (status < 0) |
139 return false; | 137 return false; |
140 | 138 |
141 socket_->SetMulticastLoopbackMode(false); | 139 socket_->SetMulticastLoopbackMode(false); |
142 status = socket_->JoinGroup(multicast_dns_ip_address); | 140 status = socket_->JoinGroup(multicast_dns_ip_address); |
143 | 141 |
144 if (status < 0) | 142 if (status < 0) |
145 return false; | 143 return false; |
146 | |
147 DCHECK(socket_->is_connected()); | |
148 | |
149 return true; | 144 return true; |
150 } | 145 } |
151 | 146 |
152 void DnsSdServer::ProcessMessage(int len, net::IOBufferWithSize* buf) { | 147 void DnsSdServer::ProcessMessage(int len, net::IOBufferWithSize* buf) { |
153 VLOG(1) << "Received new message with length: " << len; | 148 VLOG(1) << "Received new message with length: " << len; |
154 | 149 |
155 // Parse the message. | 150 // Parse the message. |
156 DnsPacketParser parser(buf->data(), len); | 151 DnsPacketParser parser(buf->data(), len); |
157 | 152 |
158 if (!parser.IsValid()) // Was unable to parse header. | 153 if (!parser.IsValid()) // Was unable to parse header. |
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321 | 316 |
322 uint32 DnsSdServer::GetCurrentTLL() const { | 317 uint32 DnsSdServer::GetCurrentTLL() const { |
323 uint32 current_ttl = (time_until_live_ - base::Time::Now()).InSeconds(); | 318 uint32 current_ttl = (time_until_live_ - base::Time::Now()).InSeconds(); |
324 if (time_until_live_ < base::Time::Now() || current_ttl == 0) { | 319 if (time_until_live_ < base::Time::Now() || current_ttl == 0) { |
325 // This should not be reachable. But still we don't need to fail. | 320 // This should not be reachable. But still we don't need to fail. |
326 current_ttl = 1; // Service is still alive. | 321 current_ttl = 1; // Service is still alive. |
327 LOG(ERROR) << "|current_ttl| was equal to zero."; | 322 LOG(ERROR) << "|current_ttl| was equal to zero."; |
328 } | 323 } |
329 return current_ttl; | 324 return current_ttl; |
330 } | 325 } |
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