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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 "net/third_party/quiche/src/quic/core/http/quic_spdy_client_session_base.h"
#include "net/third_party/quiche/src/quic/core/http/quic_spdy_client_stream.h"
#include "net/third_party/quiche/src/quic/core/quic_crypto_client_stream.h"
#include "net/third_party/quiche/src/quic/core/quic_packets.h"
namespace quic {
class QuicConnection;
class QuicServerId;
class QuicSpdyClientSession : public QuicSpdyClientSessionBase {
// Takes ownership of |connection|. Caller retains ownership of
// |promised_by_url|.
QuicSpdyClientSession(const QuicConfig& config,
const ParsedQuicVersionVector& supported_versions,
QuicConnection* connection,
const QuicServerId& server_id,
QuicCryptoClientConfig* crypto_config,
QuicClientPushPromiseIndex* push_promise_index);
QuicSpdyClientSession(const QuicSpdyClientSession&) = delete;
QuicSpdyClientSession& operator=(const QuicSpdyClientSession&) = delete;
~QuicSpdyClientSession() override;
// Set up the QuicSpdyClientSession. Must be called prior to use.
void Initialize() override;
// QuicSession methods:
QuicSpdyClientStream* CreateOutgoingBidirectionalStream() override;
QuicSpdyClientStream* CreateOutgoingUnidirectionalStream() override;
QuicCryptoClientStreamBase* GetMutableCryptoStream() override;
const QuicCryptoClientStreamBase* GetCryptoStream() const override;
bool IsAuthorized(const std::string& authority) override;
// QuicSpdyClientSessionBase methods:
void OnProofValid(const QuicCryptoClientConfig::CachedState& cached) override;
void OnProofVerifyDetailsAvailable(
const ProofVerifyDetails& verify_details) override;
// Performs a crypto handshake with the server.
virtual 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* CreateIncomingStream(QuicStreamId id) override;
QuicSpdyStream* CreateIncomingStream(PendingStream pending) override;
// If an outgoing stream can be created, return true.
bool ShouldCreateOutgoingBidirectionalStream() override;
bool ShouldCreateOutgoingUnidirectionalStream() override;
// If an incoming stream can be created, return true.
// TODO(fayang): move this up to QuicSpdyClientSessionBase.
bool ShouldCreateIncomingStream(QuicStreamId id) override;
// Create the crypto stream. Called by Initialize().
virtual std::unique_ptr<QuicCryptoClientStreamBase> CreateQuicCryptoStream();
// Unlike CreateOutgoingBidirectionalStream, 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
// CreateOutgoingBidirectionalStream.
virtual std::unique_ptr<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 quic