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// Copyright 2016 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_SPDY_MULTIPLEXED_SESSION_H_
#define NET_SPDY_MULTIPLEXED_SESSION_H_
#include <vector>
#include "net/base/ip_endpoint.h"
#include "net/base/net_errors.h"
#include "net/http/http_stream.h"
#include "net/ssl/ssl_info.h"
#include "net/ssl/token_binding.h"
namespace crypto {
class ECPrivateKey;
} // namespace crypto
namespace net {
// Base class for SPDY and QUIC sessions.
class NET_EXPORT_PRIVATE MultiplexedSession {
public:
virtual ~MultiplexedSession() {}
// Fills SSL info in |ssl_info| and returns true when SSL is in use.
virtual bool GetSSLInfo(SSLInfo* ssl_info) const = 0;
// Gets the remote endpoint of the socket that the HTTP stream is using, if
// any. Returns true and fills in |endpoint| if it is available; returns false
// and does not modify |endpoint| if it is unavailable.
virtual bool GetRemoteEndpoint(IPEndPoint* endpoint) = 0;
// Generates the signature used in Token Binding using key |*key| and for a
// Token Binding of type |tb_type|, putting the signature in |*out|. Returns a
// net error code.
virtual Error GetTokenBindingSignature(crypto::ECPrivateKey* key,
TokenBindingType tb_type,
std::vector<uint8_t>* out) = 0;
};
// A handle to a multiplexed session which will be valid even after the
// underlying session is deleted.
class NET_EXPORT_PRIVATE MultiplexedSessionHandle {
public:
explicit MultiplexedSessionHandle(base::WeakPtr<MultiplexedSession> session);
MultiplexedSessionHandle(const MultiplexedSessionHandle& other);
MultiplexedSessionHandle(MultiplexedSessionHandle&& other);
~MultiplexedSessionHandle();
// Gets the remote endpoint of the socket that the HTTP stream is using, if
// any. Returns true and fills in |endpoint| if it is available; returns false
// and does not modify |endpoint| if it is unavailable.
bool GetRemoteEndpoint(IPEndPoint* endpoint);
// Fills SSL info in |ssl_info| and returns true when SSL is in use.
bool GetSSLInfo(SSLInfo* ssl_info) const;
// Caches SSL info from the underlying session.
void SaveSSLInfo();
// Generates the signature used in Token Binding using key |*key| and for a
// Token Binding of type |tb_type|, putting the signature in |*out|. Returns a
// net error code.
Error GetTokenBindingSignature(crypto::ECPrivateKey* key,
TokenBindingType tb_type,
std::vector<uint8_t>* out);
private:
base::WeakPtr<MultiplexedSession> session_;
SSLInfo ssl_info_;
bool has_ssl_info_;
};
} // namespace net
#endif // NET_SPDY_MULTIPLEXED_SESSION_H_
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