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100 lines
2.5 KiB
C++
100 lines
2.5 KiB
C++
/*
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* Copyright (c) 2025, ayeteadoe <ayeteadoe@gmail.com>
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*
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* SPDX-License-Identifier: BSD-2-Clause
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*/
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#include <AK/IPv4Address.h>
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#include <AK/Types.h>
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#include <LibCore/LocalServer.h>
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#include <LibCore/Notifier.h>
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#include <LibCore/Socket.h>
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#include <LibCore/System.h>
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#include <AK/Windows.h>
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namespace Core {
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LocalServer::LocalServer(EventReceiver* parent)
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: EventReceiver(parent)
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{
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}
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LocalServer::~LocalServer()
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{
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if (static_cast<SOCKET>(m_fd) != INVALID_SOCKET)
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MUST(Core::System::close(m_fd));
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}
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ErrorOr<void> LocalServer::take_over_fd(int socket_fd)
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{
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if (m_listening)
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return Error::from_string_literal("Core::LocalServer: Can't perform socket takeover when already listening");
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m_fd = socket_fd;
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m_listening = true;
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setup_notifier();
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return {};
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}
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void LocalServer::setup_notifier()
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{
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m_notifier = Notifier::construct(m_fd, Notifier::Type::Read, this);
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m_notifier->on_activation = [this] {
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if (on_accept) {
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auto maybe_client_socket = accept();
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if (maybe_client_socket.is_error()) {
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dbgln("LocalServer::on_ready_to_read: Error accepting a connection: {}", maybe_client_socket.error());
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if (on_accept_error)
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on_accept_error(maybe_client_socket.release_error());
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return;
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}
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on_accept(maybe_client_socket.release_value());
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}
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};
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}
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bool LocalServer::listen(ByteString const& address)
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{
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if (m_listening)
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return false;
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m_fd = MUST(Core::System::socket(AF_LOCAL, SOCK_STREAM, 0));
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int option = 1;
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MUST(Core::System::ioctl(m_fd, FIONBIO, option));
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auto const ret = SetHandleInformation(to_handle(m_fd), HANDLE_FLAG_INHERIT, 0);
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VERIFY(ret != 0);
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auto socket_address = SocketAddress::local(address);
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auto un_optional = socket_address.to_sockaddr_un();
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if (!un_optional.has_value()) {
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perror("bind");
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return false;
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}
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auto un = un_optional.value();
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if (Core::System::bind(m_fd, (sockaddr const*)&un, sizeof(un)).is_error()) {
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perror("bind");
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return false;
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}
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if (Core::System::listen(m_fd, 5).is_error()) {
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perror("listen");
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return false;
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}
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m_listening = true;
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setup_notifier();
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return true;
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}
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ErrorOr<NonnullOwnPtr<LocalSocket>> LocalServer::accept()
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{
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VERIFY(m_listening);
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sockaddr_un un;
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socklen_t un_size = sizeof(un);
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int accepted_fd = TRY(Core::System::accept(m_fd, (sockaddr*)&un, &un_size));
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return LocalSocket::adopt_fd(accepted_fd);
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}
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}
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