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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_UDP_READABLE_STREAM_WRAPPER_H_
#define THIRD_PARTY_BLINK_RENDERER_MODULES_DIRECT_SOCKETS_UDP_READABLE_STREAM_WRAPPER_H_
#include "base/functional/callback_forward.h"
#include "base/time/time.h"
#include "services/network/public/mojom/udp_socket.mojom-blink.h"
#include "third_party/blink/renderer/modules/direct_sockets/stream_wrapper.h"
#include "third_party/blink/renderer/modules/direct_sockets/udp_socket_mojo_remote.h"
#include "third_party/blink/renderer/modules/modules_export.h"
#include "third_party/blink/renderer/platform/heap/garbage_collected.h"
#include "third_party/blink/renderer/platform/heap/member.h"
#include "third_party/blink/renderer/platform/heap/prefinalizer.h"
#include "third_party/blink/renderer/platform/mojo/heap_mojo_receiver.h"
namespace blink {
class ScriptState;
class MODULES_EXPORT UDPReadableStreamWrapper
: public GarbageCollected<UDPReadableStreamWrapper>,
public ReadableStreamDefaultWrapper,
public network::mojom::blink::UDPSocketListener {
public:
UDPReadableStreamWrapper(
ScriptState*,
CloseOnceCallback,
const Member<UDPSocketMojoRemote> udp_socket,
mojo::PendingReceiver<network::mojom::blink::UDPSocketListener>
socket_listener,
uint64_t inspector_id);
// ReadableStreamWrapper:
void Pull() override;
void CloseStream() override;
void ErrorStream(int32_t error_code) override;
void Trace(Visitor*) const override;
// network::mojom::blink::UDPSocketListener:
void OnReceived(int32_t result,
const std::optional<net::IPEndPoint>& src_addr,
std::optional<base::span<const uint8_t>> data) override;
private:
CloseOnceCallback on_close_;
const Member<UDPSocketMojoRemote> udp_socket_;
int32_t pending_receive_requests_ = 0;
HeapMojoReceiver<network::mojom::blink::UDPSocketListener,
UDPReadableStreamWrapper>
socket_listener_;
// Unique id for devtools inspector_network_agent.
const uint64_t inspector_id_;
};
} // namespace blink
#endif // THIRD_PARTY_BLINK_RENDERER_MODULES_DIRECT_SOCKETS_UDP_READABLE_STREAM_WRAPPER_H_
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