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https://github.com/SerenityOS/serenity
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767529ebf5
This is a first step towards handling OOM errors instead of just crashing the program. Now UDPServer's method `receive()` return memory allocation errors explicitly with help of ErrorOr. This removes one FIXME and make a bunch of new ones. :(
53 lines
1.1 KiB
C++
53 lines
1.1 KiB
C++
/*
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* Copyright (c) 2020, Andreas Kling <kling@serenityos.org>
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* Copyright (c) 2022, Alexander Narsudinov <a.narsudinov@gmail.com>
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*
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* SPDX-License-Identifier: BSD-2-Clause
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*/
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#pragma once
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#include <AK/ByteBuffer.h>
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#include <AK/Forward.h>
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#include <AK/Function.h>
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#include <LibCore/Forward.h>
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#include <LibCore/Object.h>
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#include <LibCore/SocketAddress.h>
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namespace Core {
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class UDPServer : public Object {
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C_OBJECT(UDPServer)
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public:
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virtual ~UDPServer() override;
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bool is_bound() const { return m_bound; }
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bool bind(IPv4Address const& address, u16 port);
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ErrorOr<ByteBuffer> receive(size_t size, sockaddr_in& from);
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ErrorOr<ByteBuffer> receive(size_t size)
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{
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struct sockaddr_in saddr;
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return receive(size, saddr);
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};
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ErrorOr<size_t> send(ReadonlyBytes, sockaddr_in const& to);
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Optional<IPv4Address> local_address() const;
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Optional<u16> local_port() const;
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int fd() const { return m_fd; }
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Function<void()> on_ready_to_receive;
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protected:
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explicit UDPServer(Object* parent = nullptr);
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private:
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int m_fd { -1 };
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bool m_bound { false };
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RefPtr<Notifier> m_notifier;
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};
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}
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