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// Copyright 2018 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#ifndef COMPONENTS_CRONET_NATIVE_ENGINE_H_
#define COMPONENTS_CRONET_NATIVE_ENGINE_H_
#include <memory>
#include <string>
#include "base/containers/flat_map.h"
#include "base/memory/ref_counted.h"
#include "base/memory/scoped_refptr.h"
#include "base/synchronization/lock.h"
#include "base/synchronization/waitable_event.h"
#include "base/thread_annotations.h"
#include "components/cronet/native/generated/cronet.idl_impl_interface.h"
extern "C" typedef struct stream_engine stream_engine;
namespace net {
class CertVerifier;
}
namespace cronet {
class CronetContext;
// Implementation of Cronet_Engine that uses CronetContext.
class Cronet_EngineImpl : public Cronet_Engine {
public:
Cronet_EngineImpl();
Cronet_EngineImpl(const Cronet_EngineImpl&) = delete;
Cronet_EngineImpl& operator=(const Cronet_EngineImpl&) = delete;
~Cronet_EngineImpl() override;
// Cronet_Engine implementation:
Cronet_RESULT StartWithParams(Cronet_EngineParamsPtr params) override
LOCKS_EXCLUDED(lock_);
bool StartNetLogToFile(Cronet_String file_name, bool log_all) override
LOCKS_EXCLUDED(lock_);
void StopNetLog() override LOCKS_EXCLUDED(lock_);
Cronet_String GetVersionString() override;
Cronet_String GetDefaultUserAgent() override;
Cronet_RESULT Shutdown() override LOCKS_EXCLUDED(lock_);
void AddRequestFinishedListener(
Cronet_RequestFinishedInfoListenerPtr listener,
Cronet_ExecutorPtr executor) override;
void RemoveRequestFinishedListener(
Cronet_RequestFinishedInfoListenerPtr listener) override;
// Check |result| and aborts if result is not SUCCESS and enableCheckResult
// is true.
Cronet_RESULT CheckResult(Cronet_RESULT result);
// Set Mock CertVerifier for testing. Must be called before StartWithParams.
void SetMockCertVerifierForTesting(
std::unique_ptr<net::CertVerifier> mock_cert_verifier);
// Get stream engine for GRPC Bidirectional Stream support. The returned
// stream_engine is owned by |this| and is only valid until |this| shutdown.
stream_engine* GetBidirectionalStreamEngine();
CronetContext* cronet_url_request_context() const { return context_.get(); }
// Returns true if there is a listener currently registered (using
// AddRequestFinishedListener()), and false otherwise.
bool HasRequestFinishedListener();
// Provide |request_info| to all registered RequestFinishedListeners.
void ReportRequestFinished(
scoped_refptr<base::RefCountedData<Cronet_RequestFinishedInfo>>
request_info,
scoped_refptr<base::RefCountedData<Cronet_UrlResponseInfo>>
url_response_info,
scoped_refptr<base::RefCountedData<Cronet_Error>> error);
private:
class StreamEngineImpl;
class Callback;
// Enable runtime CHECK of the result.
bool enable_check_result_ = true;
// Synchronize access to member variables from different threads.
base::Lock lock_;
// Cronet URLRequest context used for all network operations.
std::unique_ptr<CronetContext> context_;
// Signaled when |context_| initialization is done.
base::WaitableEvent init_completed_;
// Flag that indicates whether logging is in progress.
bool is_logging_ GUARDED_BY(lock_) = false;
// Signaled when |StopNetLog| is done.
base::WaitableEvent stop_netlog_completed_;
// Storage path used by this engine.
std::string in_use_storage_path_ GUARDED_BY(lock_);
// Stream engine for GRPC Bidirectional Stream support.
std::unique_ptr<StreamEngineImpl> stream_engine_;
// Mock CertVerifier for testing. Only valid until StartWithParams.
std::unique_ptr<net::CertVerifier> mock_cert_verifier_;
// Stores registered RequestFinishedInfoListeners with their associated
// Executors.
base::flat_map<Cronet_RequestFinishedInfoListenerPtr, Cronet_ExecutorPtr>
request_finished_registrations_ GUARDED_BY(lock_);
};
} // namespace cronet
#endif // COMPONENTS_CRONET_NATIVE_ENGINE_H_
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