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https://github.com/SerenityOS/serenity
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fb83ceaf57
This hasn't been an issue on Serenity, but on Linux, if a program opens a TCPServer on some port and then exits, that program can't be re-run until the OS makes the port available again. This is usually ~2x the TCP socket's maximum segment lifetime, upwards of a minute. Add an option to TCPServer to allow re-using the port after the program exits.
48 lines
1.1 KiB
C++
48 lines
1.1 KiB
C++
/*
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* Copyright (c) 2018-2020, Andreas Kling <kling@serenityos.org>
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* Copyright (c) 2021, Sam Atkins <atkinssj@serenityos.org>
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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/IPv4Address.h>
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#include <LibCore/Notifier.h>
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#include <LibCore/Object.h>
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#include <LibCore/Stream.h>
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namespace Core {
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class TCPServer : public Object {
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C_OBJECT_ABSTRACT(TCPServer)
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public:
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static ErrorOr<NonnullRefPtr<TCPServer>> try_create(Object* parent = nullptr);
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virtual ~TCPServer() override;
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enum class AllowAddressReuse {
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Yes,
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No,
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};
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bool is_listening() const { return m_listening; }
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ErrorOr<void> listen(IPv4Address const& address, u16 port, AllowAddressReuse = AllowAddressReuse::No);
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ErrorOr<void> set_blocking(bool blocking);
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ErrorOr<NonnullOwnPtr<Stream::TCPSocket>> accept();
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Optional<IPv4Address> local_address() const;
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Optional<u16> local_port() const;
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Function<void()> on_ready_to_accept;
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private:
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explicit TCPServer(int fd, Object* parent = nullptr);
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int m_fd { -1 };
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bool m_listening { false };
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RefPtr<Notifier> m_notifier;
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};
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}
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