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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_HTTP_HTTP_STREAM_POOL_QUIC_ATTEMPT_H_
#define NET_HTTP_HTTP_STREAM_POOL_QUIC_ATTEMPT_H_
#include <memory>
#include <optional>
#include "base/memory/raw_ptr.h"
#include "base/memory/weak_ptr.h"
#include "base/timer/timer.h"
#include "base/values.h"
#include "net/base/ip_endpoint.h"
#include "net/base/tracing.h"
#include "net/dns/host_resolver.h"
#include "net/http/http_stream_pool.h"
#include "net/http/http_stream_pool_attempt_manager.h"
#include "net/quic/quic_session_attempt.h"
#include "net/quic/quic_session_pool.h"
#include "net/third_party/quiche/src/quiche/quic/core/quic_versions.h"
namespace net {
class HttpStreamKey;
class QuicSessionAliasKey;
// Handles a single QUIC session attempt for HttpStreamPool::AttemptManager.
// Owned by an AttemptManager.
class HttpStreamPool::QuicAttempt : public QuicSessionAttempt::Delegate {
public:
// `manager` must outlive `this`.
QuicAttempt(AttemptManager* manager, QuicEndpoint quic_endpoint);
QuicAttempt(const QuicAttempt&) = delete;
QuicAttempt& operator=(const QuicAttempt&) = delete;
~QuicAttempt() override;
void Start();
// QuicSessionAttempt::Delegate implementation.
QuicSessionPool* GetQuicSessionPool() override;
const QuicSessionAliasKey& GetKey() override;
const NetLogWithSource& GetNetLog() override;
// Retrieves information on the current state of `this` as a base::Value.
base::Value::Dict GetInfoAsValue() const;
base::TimeTicks start_time() const { return start_time_; }
const QuicEndpoint& quic_endpoint() const { return quic_endpoint_; }
bool is_slow() const { return is_slow_; }
private:
const HttpStreamKey& stream_key() const;
void OnSessionAttemptSlow();
void OnSessionAttemptComplete(int rv);
const raw_ptr<AttemptManager> manager_;
const QuicEndpoint quic_endpoint_;
const base::TimeTicks start_time_;
const NetLogWithSource net_log_;
const perfetto::Track track_;
const perfetto::Flow flow_;
std::unique_ptr<QuicSessionAttempt> session_attempt_;
base::OneShotTimer slow_timer_;
bool is_slow_ = false;
std::optional<int> result_;
base::WeakPtrFactory<QuicAttempt> weak_ptr_factory_{this};
};
} // namespace net
#endif // NET_HTTP_HTTP_STREAM_POOL_QUIC_ATTEMPT_H_
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