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// Copyright (c) 2012 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.
// A client specific QuicSession subclass.
#include <memory>
#include <string>
#include "base/macros.h"
#include "net/quic/quic_client_session_base.h"
#include "net/quic/quic_crypto_client_stream.h"
#include "net/quic/quic_protocol.h"
#include "net/tools/quic/quic_spdy_client_stream.h"
namespace net {
class QuicConnection;
class QuicServerId;
class ReliableQuicStream;
class QuicClientSession : public QuicClientSessionBase {
// Caller retains ownership of |promised_by_url|.
QuicClientSession(const QuicConfig& config,
QuicConnection* connection,
const QuicServerId& server_id,
QuicCryptoClientConfig* crypto_config,
QuicClientPushPromiseIndex* push_promise_index);
~QuicClientSession() override;
// Set up the QuicClientSession. Must be called prior to use.
void Initialize() override;
// QuicSession methods:
QuicSpdyClientStream* CreateOutgoingDynamicStream(
SpdyPriority priority) override;
QuicCryptoClientStreamBase* GetCryptoStream() override;
bool IsAuthorized(const std::string& authority) override;
// QuicClientSessionBase methods:
void OnProofValid(const QuicCryptoClientConfig::CachedState& cached) override;
void OnProofVerifyDetailsAvailable(
const ProofVerifyDetails& verify_details) override;
// Performs a crypto handshake with the server.
void CryptoConnect();
// Returns the number of client hello messages that have been sent on the
// crypto stream. If the handshake has completed then this is one greater
// than the number of round-trips needed for the handshake.
int GetNumSentClientHellos() const;
int GetNumReceivedServerConfigUpdates() const;
void set_respect_goaway(bool respect_goaway) {
respect_goaway_ = respect_goaway;
// QuicSession methods:
QuicSpdyStream* CreateIncomingDynamicStream(QuicStreamId id) override;
// If an outgoing stream can be created, return true.
bool ShouldCreateOutgoingDynamicStream() override;
// If an incoming stream can be created, return true.
bool ShouldCreateIncomingDynamicStream(QuicStreamId id) override;
// Create the crypto stream. Called by Initialize()
virtual QuicCryptoClientStreamBase* CreateQuicCryptoStream();
// Unlike CreateOutgoingDynamicStream, which applies a bunch of sanity checks,
// this simply returns a new QuicSpdyClientStream. This may be used by
// subclasses which want to use a subclass of QuicSpdyClientStream for streams
// but wish to use the sanity checks in CreateOutgoingDynamicStream.
virtual QuicSpdyClientStream* CreateClientStream();
const QuicServerId& server_id() { return server_id_; }
QuicCryptoClientConfig* crypto_config() { return crypto_config_; }
std::unique_ptr<QuicCryptoClientStreamBase> crypto_stream_;
QuicServerId server_id_;
QuicCryptoClientConfig* crypto_config_;
// If this is set to false, the client will ignore server GOAWAYs and allow
// the creation of streams regardless of the high chance they will fail.
bool respect_goaway_;
} // namespace net