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67 lines
2.2 KiB
C++
67 lines
2.2 KiB
C++
/*
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* Copyright (c) 2018-2020, Andreas Kling <kling@serenityos.org>
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions are met:
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*
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* 1. Redistributions of source code must retain the above copyright notice, this
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* list of conditions and the following disclaimer.
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*
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* 2. Redistributions in binary form must reproduce the above copyright notice,
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* this list of conditions and the following disclaimer in the documentation
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* and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
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* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
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* DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
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* SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
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* CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
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* OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#include <AK/HashMap.h>
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#include <ProtocolServer/Protocol.h>
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#include <fcntl.h>
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#include <string.h>
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namespace ProtocolServer {
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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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ASSERT_NOT_REACHED();
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}
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Result<Protocol::Pipe, String> Protocol::get_pipe_for_download()
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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 String { strerror(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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