mirror of
https://github.com/RGBCube/serenity
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50 lines
1.1 KiB
C++
50 lines
1.1 KiB
C++
/*
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* Copyright (c) 2018-2020, Andreas Kling <kling@serenityos.org>
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*
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* SPDX-License-Identifier: BSD-2-Clause
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*/
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#include <AK/HashMap.h>
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#include <RequestServer/Protocol.h>
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#include <errno.h>
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#include <fcntl.h>
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#include <string.h>
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#include <unistd.h>
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namespace RequestServer {
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static HashMap<String, Protocol*>& all_protocols()
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{
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static HashMap<String, Protocol*> map;
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return map;
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}
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Protocol* Protocol::find_by_name(const String& name)
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{
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return all_protocols().get(name).value_or(nullptr);
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}
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Protocol::Protocol(const String& name)
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{
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all_protocols().set(name, this);
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}
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Protocol::~Protocol()
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{
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// FIXME: Do proper de-registration.
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VERIFY_NOT_REACHED();
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}
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ErrorOr<Protocol::Pipe> Protocol::get_pipe_for_request()
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{
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int fd_pair[2] { 0 };
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if (pipe(fd_pair) != 0) {
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auto saved_errno = errno;
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dbgln("Protocol: pipe() failed: {}", strerror(saved_errno));
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return Error::from_errno(saved_errno);
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}
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fcntl(fd_pair[1], F_SETFL, fcntl(fd_pair[1], F_GETFL) | O_NONBLOCK);
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return Pipe { fd_pair[0], fd_pair[1] };
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}
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}
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