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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.
#ifndef NET_HTTP_HTTP_STREAM_FACTORY_IMPL_H_
#define NET_HTTP_HTTP_STREAM_FACTORY_IMPL_H_
#include <stddef.h>
#include <map>
#include <memory>
#include <set>
#include "base/gtest_prod_util.h"
#include "base/macros.h"
#include "base/memory/ref_counted.h"
#include "net/base/host_port_pair.h"
#include "net/base/net_export.h"
#include "net/base/privacy_mode.h"
#include "net/base/request_priority.h"
#include "net/http/http_stream_factory.h"
#include "net/log/net_log_source.h"
#include "net/proxy/proxy_server.h"
#include "net/socket/ssl_client_socket.h"
#include "net/spdy/chromium/spdy_session_key.h"
namespace net {
class HttpNetworkSession;
class ProxyInfo;
class NetLogWithSource;
class NET_EXPORT_PRIVATE HttpStreamFactoryImpl : public HttpStreamFactory {
public:
class NET_EXPORT_PRIVATE Job;
class NET_EXPORT_PRIVATE JobController;
class NET_EXPORT_PRIVATE JobFactory;
class NET_EXPORT_PRIVATE Request;
HttpStreamFactoryImpl(HttpNetworkSession* session);
~HttpStreamFactoryImpl() override;
// HttpStreamFactory interface
std::unique_ptr<HttpStreamRequest> RequestStream(
const HttpRequestInfo& info,
RequestPriority priority,
const SSLConfig& server_ssl_config,
const SSLConfig& proxy_ssl_config,
HttpStreamRequest::Delegate* delegate,
bool enable_ip_based_pooling,
bool enable_alternative_services,
const NetLogWithSource& net_log) override;
std::unique_ptr<HttpStreamRequest> RequestWebSocketHandshakeStream(
const HttpRequestInfo& info,
RequestPriority priority,
const SSLConfig& server_ssl_config,
const SSLConfig& proxy_ssl_config,
HttpStreamRequest::Delegate* delegate,
WebSocketHandshakeStreamBase::CreateHelper* create_helper,
bool enable_ip_based_pooling,
bool enable_alternative_services,
const NetLogWithSource& net_log) override;
std::unique_ptr<HttpStreamRequest> RequestBidirectionalStreamImpl(
const HttpRequestInfo& info,
RequestPriority priority,
const SSLConfig& server_ssl_config,
const SSLConfig& proxy_ssl_config,
HttpStreamRequest::Delegate* delegate,
bool enable_ip_based_pooling,
bool enable_alternative_services,
const NetLogWithSource& net_log) override;
void PreconnectStreams(int num_streams, const HttpRequestInfo& info) override;
const HostMappingRules* GetHostMappingRules() const override;
void DumpMemoryStats(base::trace_event::ProcessMemoryDump* pmd,
const std::string& parent_absolute_name) const override;
enum JobType {
MAIN,
ALTERNATIVE,
PRECONNECT,
};
private:
FRIEND_TEST_ALL_PREFIXES(HttpStreamFactoryImplRequestTest, SetPriority);
FRIEND_TEST_ALL_PREFIXES(HttpStreamFactoryImplRequestTest, DelayMainJob);
friend class HttpStreamFactoryImplPeer;
typedef std::set<std::unique_ptr<JobController>> JobControllerSet;
// |PreconnectingProxyServer| holds information of a connection to a single
// proxy server.
struct PreconnectingProxyServer {
PreconnectingProxyServer(ProxyServer proxy_server,
PrivacyMode privacy_mode);
// Needed to be an element of std::set.
bool operator<(const PreconnectingProxyServer& other) const;
bool operator==(const PreconnectingProxyServer& other) const;
const ProxyServer proxy_server;
const PrivacyMode privacy_mode;
};
// Values must not be changed or reused. Keep in sync with identically named
// enum in histograms.xml.
enum AlternativeServiceType {
NO_ALTERNATIVE_SERVICE = 0,
QUIC_SAME_DESTINATION = 1,
QUIC_DIFFERENT_DESTINATION = 2,
NOT_QUIC_SAME_DESTINATION = 3,
NOT_QUIC_DIFFERENT_DESTINATION = 4,
MAX_ALTERNATIVE_SERVICE_TYPE
};
std::unique_ptr<HttpStreamRequest> RequestStreamInternal(
const HttpRequestInfo& info,
RequestPriority priority,
const SSLConfig& server_ssl_config,
const SSLConfig& proxy_ssl_config,
HttpStreamRequest::Delegate* delegate,
WebSocketHandshakeStreamBase::CreateHelper* create_helper,
HttpStreamRequest::StreamType stream_type,
bool is_websocket,
bool enable_ip_based_pooling,
bool enable_alternative_services,
const NetLogWithSource& net_log);
// Called when the Job detects that the endpoint indicated by the
// Alternate-Protocol does not work. Lets the factory update
// HttpAlternateProtocols with the failure and resets the SPDY session key.
void OnBrokenAlternateProtocol(const Job*, const HostPortPair& origin);
// Called when the Preconnect completes. Used for testing.
virtual void OnPreconnectsCompleteInternal() {}
// Called when the JobController finishes service. Delete the JobController
// from |job_controller_set_|.
void OnJobControllerComplete(JobController* controller);
// Returns true if a connection to the proxy server contained in |proxy_info|
// that has privacy mode |privacy_mode| can be skipped by a job controlled by
// |controller|.
bool OnInitConnection(const JobController& controller,
const ProxyInfo& proxy_info,
PrivacyMode privacy_mode);
// Notifies |this| that a stream to the proxy server contained in |proxy_info|
// with privacy mode |privacy_mode| is ready.
void OnStreamReady(const ProxyInfo& proxy_info, PrivacyMode privacy_mode);
// Returns true if |proxy_info| contains a proxy server that supports request
// priorities.
bool ProxyServerSupportsPriorities(const ProxyInfo& proxy_info) const;
HttpNetworkSession* const session_;
// All Requests/Preconnects are assigned with a JobController to manage
// serving Job(s). JobController might outlive Request when Request
// is served while there's some working Job left. JobController will be
// deleted from |job_controller_set_| when it determines the completion of
// its work.
JobControllerSet job_controller_set_;
// Factory used by job controllers for creating jobs.
std::unique_ptr<JobFactory> job_factory_;
// Set of proxy servers that support request priorities to which subsequent
// preconnects should be skipped.
std::set<PreconnectingProxyServer> preconnecting_proxy_servers_;
DISALLOW_COPY_AND_ASSIGN(HttpStreamFactoryImpl);
};
} // namespace net
#endif // NET_HTTP_HTTP_STREAM_FACTORY_IMPL_H_