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// Copyright 2022 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#ifndef THIRD_PARTY_BLINK_RENDERER_MODULES_DIRECT_SOCKETS_SOCKET_H_
#define THIRD_PARTY_BLINK_RENDERER_MODULES_DIRECT_SOCKETS_SOCKET_H_
#include "third_party/blink/public/mojom/direct_sockets/direct_sockets.mojom-blink.h"
#include "third_party/blink/renderer/bindings/core/v8/script_promise.h"
#include "third_party/blink/renderer/bindings/core/v8/script_promise_property.h"
#include "third_party/blink/renderer/bindings/modules/v8/v8_socket_dns_query_type.h"
#include "third_party/blink/renderer/core/dom/dom_exception.h"
#include "third_party/blink/renderer/core/execution_context/execution_context_lifecycle_observer.h"
#include "third_party/blink/renderer/core/execution_context/execution_context_lifecycle_state_observer.h"
#include "third_party/blink/renderer/core/inspector/protocol/network.h"
#include "third_party/blink/renderer/modules/direct_sockets/stream_wrapper.h"
#include "third_party/blink/renderer/modules/modules_export.h"
#include "third_party/blink/renderer/platform/bindings/exception_state.h"
#include "third_party/blink/renderer/platform/bindings/script_wrappable.h"
#include "third_party/blink/renderer/platform/bindings/trace_wrapper_v8_reference.h"
#include "third_party/blink/renderer/platform/mojo/heap_mojo_remote.h"
#include "third_party/blink/renderer/platform/scheduler/public/frame_or_worker_scheduler.h"
namespace blink {
class ExceptionState;
// Base class for TCP and UDP sockets.
class MODULES_EXPORT Socket : public ExecutionContextLifecycleStateObserver {
public:
// IDL definitions
virtual ScriptPromise<IDLUndefined> closed(ScriptState*) const;
virtual ScriptPromise<IDLUndefined> close(ScriptState*, ExceptionState&) = 0;
public:
enum class State { kOpening, kOpen, kClosed, kAborted };
explicit Socket(ScriptState*);
~Socket() override;
Socket(const Socket&) = delete;
Socket& operator=(const Socket&) = delete;
static bool CheckContextAndPermissions(ScriptState*, ExceptionState&);
static DOMException* CreateDOMExceptionFromNetErrorCode(int32_t net_error);
void Trace(Visitor*) const override;
static protocol::Network::DirectSocketDnsQueryType MapProbeDnsQueryType(
V8SocketDnsQueryType dns_query_type);
protected:
ScriptState* GetScriptState() const { return script_state_.Get(); }
ScriptPromiseProperty<IDLUndefined, IDLAny>& GetClosedProperty() const {
DCHECK(state_ == State::kOpening || state_ == State::kOpen);
return *closed_;
}
blink::mojom::blink::DirectSocketsService* GetServiceRemote() const {
return service_.get();
}
State GetState() const { return state_; }
virtual void SetState(State state) { state_ = state; }
// Resets |service_| and |feature_handle_for_scheduler_|.
void ResetServiceAndFeatureHandle();
private:
// Invoked if |service_| goes down.
virtual void OnServiceConnectionError() {}
State state_ = State::kOpening;
const Member<ScriptState> script_state_;
HeapMojoRemote<blink::mojom::blink::DirectSocketsService> service_;
FrameOrWorkerScheduler::SchedulingAffectingFeatureHandle
feature_handle_for_scheduler_;
Member<ScriptPromiseProperty<IDLUndefined, IDLAny>> closed_;
};
} // namespace blink
#endif // THIRD_PARTY_BLINK_RENDERER_MODULES_DIRECT_SOCKETS_SOCKET_H_
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