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// Copyright 2024 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#ifndef NET_QUIC_QUIC_SESSION_POOL_PROXY_JOB_H_
#define NET_QUIC_QUIC_SESSION_POOL_PROXY_JOB_H_
#include <memory>
#include "net/base/http_user_agent_settings.h"
#include "net/base/request_priority.h"
#include "net/log/net_log_with_source.h"
#include "net/quic/quic_session_attempt.h"
#include "net/quic/quic_session_pool.h"
#include "net/quic/quic_session_pool_job.h"
#include "net/spdy/multiplexed_session_creation_initiator.h"
#include "net/third_party/quiche/src/quiche/quic/core/quic_versions.h"
#include "net/traffic_annotation/network_traffic_annotation.h"
namespace net {
// A ProxyJob is a QuicSessionPool::Job that handles connections to the
// destination over a (QUIC) proxy.
class QuicSessionPool::ProxyJob : public QuicSessionPool::Job {
public:
ProxyJob(
QuicSessionPool* pool,
quic::ParsedQuicVersion target_quic_version,
QuicSessionAliasKey key,
NetworkTrafficAnnotationTag proxy_annotation_tag,
MultiplexedSessionCreationInitiator session_creation_initiator,
std::optional<ConnectionManagementConfig> connection_management_config,
const HttpUserAgentSettings* http_user_agent_settings,
std::unique_ptr<CryptoClientConfigHandle> client_config_handle,
RequestPriority priority,
int cert_verify_flags,
const NetLogWithSource& net_log);
~ProxyJob() override;
// QuicSessionPool::Job implementation.
int Run(CompletionOnceCallback callback) override;
void SetRequestExpectations(QuicSessionRequest* request) override;
void PopulateNetErrorDetails(NetErrorDetails* details) const override;
private:
int DoLoop(int rv);
int DoCreateProxySession();
int DoCreateProxySessionComplete(int rv);
int DoCreateProxyStream();
int DoCreateProxyStreamComplete(int rv);
int DoAttemptSession();
void OnIOComplete(int rv);
void OnSessionAttemptComplete(int rv);
base::WeakPtr<ProxyJob> GetWeakPtr() { return weak_factory_.GetWeakPtr(); }
enum IoState {
STATE_NONE,
STATE_CREATE_PROXY_SESSION,
STATE_CREATE_PROXY_SESSION_COMPLETE,
STATE_CREATE_PROXY_STREAM,
STATE_CREATE_PROXY_STREAM_COMPLETE,
STATE_ATTEMPT_SESSION,
};
CompletionRepeatingCallback io_callback_;
IoState io_state_ = STATE_CREATE_PROXY_SESSION;
std::unique_ptr<QuicSessionRequest> proxy_session_request_;
std::unique_ptr<QuicChromiumClientSession::Handle> proxy_session_;
std::unique_ptr<QuicChromiumClientStream::Handle> proxy_stream_;
NetErrorDetails net_error_details_;
// The QUIC version for the tunneled session created by this job.
quic::ParsedQuicVersion target_quic_version_;
NetworkTrafficAnnotationTag proxy_annotation_tag_;
MultiplexedSessionCreationInitiator session_creation_initiator_;
std::optional<ConnectionManagementConfig> connection_management_config_;
const int cert_verify_flags_;
raw_ptr<const HttpUserAgentSettings> http_user_agent_settings_;
CompletionOnceCallback callback_;
std::unique_ptr<QuicSessionAttempt> session_attempt_;
base::WeakPtrFactory<ProxyJob> weak_factory_{this};
};
} // namespace net
#endif // NET_QUIC_QUIC_SESSION_POOL_PROXY_JOB_H_
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