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1 // Copyright (c) 2011 The Chromium Authors. All rights reserved. | 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 | 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/dns_query.h" | 5 #include "net/dns/dns_query.h" |
6 | 6 |
7 #include <limits> | 7 #include <limits> |
8 | 8 |
| 9 #include "base/sys_byteorder.h" |
9 #include "net/base/big_endian.h" | 10 #include "net/base/big_endian.h" |
10 #include "net/base/dns_util.h" | 11 #include "net/base/dns_util.h" |
11 #include "net/base/io_buffer.h" | 12 #include "net/base/io_buffer.h" |
12 #include "net/base/sys_byteorder.h" | |
13 #include "net/dns/dns_protocol.h" | 13 #include "net/dns/dns_protocol.h" |
14 | 14 |
15 namespace net { | 15 namespace net { |
16 | 16 |
17 // DNS query consists of a 12-byte header followed by a question section. | 17 // DNS query consists of a 12-byte header followed by a question section. |
18 // For details, see RFC 1035 section 4.1.1. This header template sets RD | 18 // For details, see RFC 1035 section 4.1.1. This header template sets RD |
19 // bit, which directs the name server to pursue query recursively, and sets | 19 // bit, which directs the name server to pursue query recursively, and sets |
20 // the QDCOUNT to 1, meaning the question section has a single entry. | 20 // the QDCOUNT to 1, meaning the question section has a single entry. |
21 DnsQuery::DnsQuery(uint16 id, const base::StringPiece& qname, uint16 qtype) | 21 DnsQuery::DnsQuery(uint16 id, const base::StringPiece& qname, uint16 qtype) |
22 : qname_size_(qname.size()) { | 22 : qname_size_(qname.size()) { |
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74 qname_size_ = orig.qname_size_; | 74 qname_size_ = orig.qname_size_; |
75 io_buffer_ = new IOBufferWithSize(orig.io_buffer()->size()); | 75 io_buffer_ = new IOBufferWithSize(orig.io_buffer()->size()); |
76 memcpy(io_buffer_.get()->data(), orig.io_buffer()->data(), | 76 memcpy(io_buffer_.get()->data(), orig.io_buffer()->data(), |
77 io_buffer_.get()->size()); | 77 io_buffer_.get()->size()); |
78 dns_protocol::Header* header = | 78 dns_protocol::Header* header = |
79 reinterpret_cast<dns_protocol::Header*>(io_buffer_->data()); | 79 reinterpret_cast<dns_protocol::Header*>(io_buffer_->data()); |
80 header->id = htons(id); | 80 header->id = htons(id); |
81 } | 81 } |
82 | 82 |
83 } // namespace net | 83 } // namespace net |
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