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/*
* Copyright (c) 2018-2020, Andreas Kling <kling@serenityos.org>
*
* SPDX-License-Identifier: BSD-2-Clause
*/
#pragma once
#include <Kernel/API/KResult.h>
#include <Kernel/Locking/MutexProtected.h>
#include <Kernel/Net/IPv4Socket.h>
namespace Kernel {
class UDPSocket final : public IPv4Socket {
public:
static KResultOr<NonnullRefPtr<UDPSocket>> try_create(int protocol, NonnullOwnPtr<DoubleBuffer> receive_buffer);
virtual ~UDPSocket() override;
static SocketHandle<UDPSocket> from_port(u16);
static void for_each(Function<void(const UDPSocket&)>);
private:
explicit UDPSocket(int protocol, NonnullOwnPtr<DoubleBuffer> receive_buffer);
virtual StringView class_name() const override { return "UDPSocket"; }
static MutexProtected<HashMap<u16, UDPSocket*>>& sockets_by_port();
virtual KResultOr<size_t> protocol_receive(ReadonlyBytes raw_ipv4_packet, UserOrKernelBuffer& buffer, size_t buffer_size, int flags) override;
virtual KResultOr<size_t> protocol_send(const UserOrKernelBuffer&, size_t) override;
virtual KResult protocol_connect(OpenFileDescription&, ShouldBlock) override;
virtual KResultOr<u16> protocol_allocate_local_port() override;
virtual KResult protocol_bind() override;
};
}
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