Multicast DNS implementation (initial)

net/dns/mdns_query.cc

-// Copyright (c) 2013 The Chromium Authors. All rights reserved.
-// Use of this source code is governed by a BSD-style license that can be
-// found in the LICENSE file.
-
-#include "net/dns/mdns_query.h"
-
-#include "base/sys_byteorder.h"
-#include "net/base/big_endian.h"
-#include "net/base/dns_util.h"
-#include "net/dns/dns_protocol.h"
-
-namespace net {
-
-MDnsQuery::MDnsQuery(const base::StringPiece& qname, uint16 qtype) {
-  DCHECK(!DNSDomainToString(qname).empty());
-
-  // QNAME + QTYPE + QCLASS
-  size_t question_size = qname.size() + sizeof(uint16) + sizeof(uint16);
-  io_buffer_ = new IOBufferWithSize(sizeof(dns_protocol::Header) +
-                                    question_size);
-  dns_protocol::Header* header =
-      reinterpret_cast<dns_protocol::Header*>(io_buffer_->data());
-  memset(header, 0, sizeof(dns_protocol::Header));
-  // Do not set ID or flags.
-  header->qdcount = base::HostToNet16(1);
-
-  // Write question section after the header.
-  BigEndianWriter writer(reinterpret_cast<char*>(header + 1), question_size);
-  writer.WriteBytes(qname.data(), qname.size());
-  writer.WriteU16(qtype);
-  writer.WriteU16(dns_protocol::kClassIN);
-}
-
-MDnsQuery::~MDnsQuery() {
-}
-}