blob: 380e2f7200d21d54fde0f60e16dca4b43b4f7fd6 [file] [log] [blame]
// Copyright 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 <string>
#include <vector>
#include "base/basictypes.h"
#include "base/memory/ref_counted.h"
#include "net/base/io_buffer.h"
#include "net/base/net_util.h"
#include "net/dns/dns_protocol.h"
namespace net {
class IOBufferWithSize;
} // namespace net
// Record for storing response data.
struct DnsResponseRecord {
std::string name; // in dotted form
uint16 type;
uint16 klass;
uint32 ttl;
std::string rdata;
// Class for building service-specified responses.
class DnsResponseBuilder {
// Initializes builder.
explicit DnsResponseBuilder(uint16 id);
// Destroys the object.
// Methods for appending different types of responses to packet.
void AppendPtr(const std::string& service_type,
uint32 ttl,
const std::string& service_name,
bool answer);
void AppendSrv(const std::string& service_name,
uint32 ttl,
uint16 priority,
uint16 weight, uint16 http_port,
const std::string& service_domain_name,
bool answer);
void AppendA(const std::string& service_domain_name,
uint32 ttl,
net::IPAddressNumber http_ipv4,
bool answer);
void AppendAAAA(const std::string& service_domain_name,
uint32 ttl,
net::IPAddressNumber http_ipv6,
bool answer);
void AppendTxt(const std::string& service_name,
uint32 ttl,
const std::vector<std::string>& metadata,
bool answer);
// Serializes packet to byte sequence.
scoped_refptr<net::IOBufferWithSize> Build();
// Appends response to packet.
void AddResponse(const std::string& name,
uint16 type,
uint32 ttl,
const std::string& rdata,
bool answer);
std::vector<DnsResponseRecord> responses_;
// Header of response package.
net::dns_protocol::Header header_;