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// 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.
#ifndef NET_QUIC_CRYPTO_SOURCE_ADDRESS_TOKEN_H_
#define NET_QUIC_CRYPTO_SOURCE_ADDRESS_TOKEN_H_
#include <string>
#include "base/basictypes.h"
#include "base/logging.h"
#include "base/strings/string_piece.h"
#include "net/base/net_export.h"
#include "net/quic/crypto/cached_network_parameters.h"
namespace net {
// TODO(rtenneti): sync with server more rationally.
// A SourceAddressToken is serialised, encrypted and sent to clients so that
// they can prove ownership of an IP address.
class NET_EXPORT_PRIVATE SourceAddressToken {
public:
SourceAddressToken();
~SourceAddressToken();
std::string SerializeAsString() const;
bool ParseFromArray(const char* plaintext, size_t plaintext_length);
std::string ip() const {
return ip_;
}
void set_ip(base::StringPiece ip) {
ip_ = ip.as_string();
DCHECK_LE(ip_.size(),
static_cast<size_t>(std::numeric_limits<char>::max()));
}
int64 timestamp() const {
return timestamp_;
}
void set_timestamp(int64 timestamp) {
timestamp_ = timestamp;
}
const CachedNetworkParameters& cached_network_parameters() const {
return cached_network_parameters_;
}
void set_cached_network_parameters(
const CachedNetworkParameters& cached_network_parameters) {
cached_network_parameters_ = cached_network_parameters;
has_cached_network_parameters_ = true;
}
bool has_cached_network_parameters() const {
return has_cached_network_parameters_;
}
private:
// ip_ contains either 4 (IPv4) or 16 (IPv6) bytes of IP address in network
// byte order.
std::string ip_;
// timestamp_ contains a UNIX timestamp value of the time when the token was
// created.
int64 timestamp_;
// The server can provide estimated network parameters to be used for
// initial parameter selection in future connections.
CachedNetworkParameters cached_network_parameters_;
// TODO(rtenneti): Delete |has_cached_network_parameters_| after we convert
// SourceAddressToken to protobuf.
bool has_cached_network_parameters_;
DISALLOW_COPY_AND_ASSIGN(SourceAddressToken);
};
} // namespace net
#endif // NET_QUIC_CRYPTO_SOURCE_ADDRESS_TOKEN_H_
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