mirror of
https://github.com/RGBCube/serenity
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644e764620
This causes a behavior change in which the read FD is now non-blocking. This is intentional, as this change avoids a deadlock between RS and WebContent, where WC could block while reading from the request FD, while RS is blocked sending a message to WC.
42 lines
957 B
C++
42 lines
957 B
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 <AK/NonnullOwnPtr.h>
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#include <LibCore/System.h>
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#include <RequestServer/Protocol.h>
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namespace RequestServer {
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static HashMap<ByteString, NonnullOwnPtr<Protocol>>& all_protocols()
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{
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static HashMap<ByteString, NonnullOwnPtr<Protocol>> map;
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return map;
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}
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Protocol* Protocol::find_by_name(ByteString const& name)
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{
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return all_protocols().get(name).map([](auto& p) -> Protocol* { return p; }).value_or(nullptr);
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}
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Protocol::Protocol(ByteString const& name)
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: m_name(name)
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{
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}
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ErrorOr<Protocol::Pipe> Protocol::get_pipe_for_request()
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{
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auto fd_pair = TRY(Core::System::pipe2(O_NONBLOCK));
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return Pipe { fd_pair[0], fd_pair[1] };
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}
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void Protocol::install(NonnullOwnPtr<Protocol> protocol)
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{
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auto name = protocol->name();
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all_protocols().set(move(name), move(protocol));
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}
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}
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