ladybird/Kernel/Net/UDPSocket.h
Andreas Kling 8cc81c2953 Kernel/Net: Make IPv4Socket::protocol_receive() take a ReadonlyBytes
The overrides of this function don't need to know how the original
packet was stored, so let's just give them a ReadonlyBytes view of
the raw packet data.
2020-12-18 19:22:26 +01:00

54 lines
2.3 KiB
C++

/*
* Copyright (c) 2018-2020, Andreas Kling <kling@serenityos.org>
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are met:
*
* 1. Redistributions of source code must retain the above copyright notice, this
* list of conditions and the following disclaimer.
*
* 2. Redistributions in binary form must reproduce the above copyright notice,
* this list of conditions and the following disclaimer in the documentation
* and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
* DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
* SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
* CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
* OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#pragma once
#include <Kernel/Net/IPv4Socket.h>
namespace Kernel {
class UDPSocket final : public IPv4Socket {
public:
static NonnullRefPtr<UDPSocket> create(int protocol);
virtual ~UDPSocket() override;
static SocketHandle<UDPSocket> from_port(u16);
static void for_each(Function<void(const UDPSocket&)>);
private:
explicit UDPSocket(int protocol);
virtual const char* class_name() const override { return "UDPSocket"; }
static Lockable<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(FileDescription&, ShouldBlock) override;
virtual int protocol_allocate_local_port() override;
virtual KResult protocol_bind() override;
};
}