mirror of
https://github.com/BeamMP/BeamMP-Launcher.git
synced 2025-07-03 08:26:01 +00:00
add Result, move game socket to class
This commit is contained in:
Lion Kortlepel
parent
e4eb9a6e38
commit
fe9b2ad0f4
@ -14,20 +14,20 @@ void ClientNetwork::run() {
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boost::system::error_code ec;
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listener.open(listen_ep.protocol(), ec);
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if (ec) {
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spdlog::error("Failed to open socket: {}", ec.message());
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spdlog::error("Failed to open m_game_socket: {}", ec.message());
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return;
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}
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socket_base::linger linger_opt {};
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ip::tcp::socket::linger linger_opt {};
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linger_opt.enabled(false);
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listener.set_option(linger_opt, ec);
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if (ec) {
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spdlog::error("Failed to set up listening socket to not linger / reuse address. "
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"This may cause the socket to refuse to bind(). spdlog::error: {}",
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spdlog::error("Failed to set up listening m_game_socket to not linger / reuse address. "
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"This may cause the m_game_socket to refuse to bind(). spdlog::error: {}",
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ec.message());
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}
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ip::tcp::acceptor acceptor(m_io, listen_ep);
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acceptor.listen(socket_base::max_listen_connections, ec);
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acceptor.listen(ip::tcp::socket::max_listen_connections, ec);
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if (ec) {
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spdlog::error("listen() failed, which is needed for the launcher to operate. "
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"Shutting down. spdlog::error: {}",
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@ -63,6 +63,7 @@ ClientNetwork::~ClientNetwork() {
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}
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void ClientNetwork::handle_connection(ip::tcp::socket&& socket) {
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m_game_socket = std::move(socket);
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// immediately send launcher info (first step of client identification)
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m_client_state = bmp::ClientState::ClientIdentification;
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@ -74,16 +75,16 @@ void ClientNetwork::handle_connection(ip::tcp::socket&& socket) {
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{ "version", { PRJ_VERSION_MAJOR, PRJ_VERSION_MINOR, PRJ_VERSION_PATCH } },
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{ "mod_cache_path", "/idk sorry/" }, // TODO: mod_cache_path in LauncherInfo
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});
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client_tcp_write(socket, info_packet);
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client_tcp_write(info_packet);
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// packet read and respond loop
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while (!*m_shutdown) {
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auto packet = client_tcp_read(socket);
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handle_packet(socket, packet);
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auto packet = client_tcp_read();
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handle_packet(packet);
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}
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}
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void ClientNetwork::handle_packet(ip::tcp::socket& socket, bmp::ClientPacket& packet) {
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void ClientNetwork::handle_packet(bmp::ClientPacket& packet) {
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spdlog::trace("Got client packet: purpose: 0x{:x}, flags: 0x{:x}, pid: {}, vid: {}, size: {}",
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uint16_t(packet.purpose),
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uint8_t(packet.flags),
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@ -93,39 +94,39 @@ void ClientNetwork::handle_packet(ip::tcp::socket& socket, bmp::ClientPacket& pa
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switch (m_client_state) {
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case bmp::ClientIdentification:
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handle_client_identification(socket, packet);
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handle_client_identification(packet);
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break;
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case bmp::Login:
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handle_login(socket, packet);
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handle_login(packet);
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break;
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case bmp::QuickJoin:
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handle_quick_join(socket, packet);
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handle_quick_join(packet);
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break;
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case bmp::Browsing:
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handle_browsing(socket, packet);
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handle_browsing(packet);
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break;
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case bmp::ServerIdentification:
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handle_server_identification(socket, packet);
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handle_server_identification(packet);
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break;
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case bmp::ServerAuthentication:
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handle_server_authentication(socket, packet);
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handle_server_authentication(packet);
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break;
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case bmp::ServerModDownload:
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handle_server_mod_download(socket, packet);
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handle_server_mod_download(packet);
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break;
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case bmp::ServerSessionSetup:
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handle_server_session_setup(socket, packet);
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handle_server_session_setup(packet);
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break;
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case bmp::ServerPlaying:
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handle_server_playing(socket, packet);
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handle_server_playing(packet);
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break;
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case bmp::ServerLeaving:
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handle_server_leaving(socket, packet);
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handle_server_leaving(packet);
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break;
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}
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}
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void ClientNetwork::handle_client_identification(ip::tcp::socket& socket, bmp::ClientPacket& packet) {
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void ClientNetwork::handle_client_identification(bmp::ClientPacket& packet) {
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switch (packet.purpose) {
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case bmp::ClientPurpose::GameInfo: {
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try {
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@ -135,7 +136,7 @@ void ClientNetwork::handle_client_identification(ip::tcp::socket& socket, bmp::C
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std::vector<int> game_version = game_info.at("game_version");
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std::vector<int> protocol_version = game_info.at("protocol_version");
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if (protocol_version.at(0) != 1) {
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disconnect(socket, fmt::format("Incompatible protocol version, expected v{}", "1.x.x"));
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disconnect(fmt::format("Incompatible protocol version, expected v{}", "1.x.x"));
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return;
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}
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m_mod_version = Version { uint8_t(mod_version.at(0)), uint8_t(mod_version.at(1)), uint8_t(mod_version.at(2)) };
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@ -148,37 +149,57 @@ void ClientNetwork::handle_client_identification(ip::tcp::socket& socket, bmp::C
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protocol_version.at(1), protocol_version.at(2));
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} catch (const std::exception& e) {
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spdlog::error("Failed to read json for purpose 0x{:x}: {}", uint16_t(packet.purpose), e.what());
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disconnect(socket, fmt::format("Invalid json in purpose 0x{:x}, see launcher logs for more info", uint16_t(packet.purpose)));
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disconnect(fmt::format("Invalid json in purpose 0x{:x}, see launcher logs for more info", uint16_t(packet.purpose)));
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}
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bmp::ClientPacket state_change {
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.purpose = bmp::ClientPurpose::StateChangeLogin,
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};
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client_tcp_write(socket, state_change);
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client_tcp_write(state_change);
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// first packet in login
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// TODO: send LoginResult if already logged in.
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bmp::ClientPacket ask_for_creds {
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.purpose = bmp::ClientPurpose::AskForCredentials,
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};
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client_tcp_write(socket, ask_for_creds);
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start_login();
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break;
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}
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default:
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disconnect(socket, fmt::format("Invalid packet purpose in state 0x{:x}: 0x{:x}", uint16_t(m_client_state), uint16_t(packet.purpose)));
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disconnect(fmt::format("Invalid packet purpose in state 0x{:x}: 0x{:x}", uint16_t(m_client_state), uint16_t(packet.purpose)));
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break;
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}
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}
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void ClientNetwork::disconnect(ip::tcp::socket& socket, const std::string& reason) {
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void ClientNetwork::start_login() {
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if (ident::is_login_cached()) {
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auto login = ident::login_cached();
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if (login.has_value()) {
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bmp::ClientPacket login_result {
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.purpose = bmp::ClientPurpose::LoginResult,
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.raw_data = json_to_vec({
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{ "success", true },
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{ "message", login.value().Message },
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{ "username", login.value().Username },
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{ "role", login.value().Role },
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}),
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};
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client_tcp_write(login_result);
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}
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}
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// first packet in login
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// TODO: send LoginResult if already logged in.
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bmp::ClientPacket ask_for_creds {
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.purpose = bmp::ClientPurpose::AskForCredentials,
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};
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client_tcp_write(ask_for_creds);
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}
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void ClientNetwork::disconnect(const std::string& reason) {
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bmp::ClientPacket error {
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.purpose = bmp::ClientPurpose::Error,
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.raw_data = json_to_vec({ "message", reason })
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};
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client_tcp_write(socket, error);
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socket.close();
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client_tcp_write(error);
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m_game_socket.close();
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}
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void ClientNetwork::handle_login(ip::tcp::socket& socket, bmp::ClientPacket& packet) {
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void ClientNetwork::handle_login(bmp::ClientPacket& packet) {
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switch (packet.purpose) {
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case bmp::ClientPurpose::Credentials:
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try {
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@ -191,62 +212,62 @@ void ClientNetwork::handle_login(ip::tcp::socket& socket, bmp::ClientPacket& pac
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// CONTINUE HERE
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} catch (const std::exception& e) {
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spdlog::error("Failed to read json for purpose 0x{:x}: {}", uint16_t(packet.purpose), e.what());
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disconnect(socket, fmt::format("Invalid json in purpose 0x{:x}, see launcher logs for more info", uint16_t(packet.purpose)));
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disconnect(fmt::format("Invalid json in purpose 0x{:x}, see launcher logs for more info", uint16_t(packet.purpose)));
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}
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break;
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default:
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disconnect(socket, fmt::format("Invalid packet purpose in state 0x{:x}: 0x{:x}", uint16_t(m_client_state), uint16_t(packet.purpose)));
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disconnect(fmt::format("Invalid packet purpose in state 0x{:x}: 0x{:x}", uint16_t(m_client_state), uint16_t(packet.purpose)));
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break;
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}
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}
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void ClientNetwork::handle_quick_join(ip::tcp::socket& socket, bmp::ClientPacket& packet) {
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void ClientNetwork::handle_quick_join(bmp::ClientPacket& packet) {
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}
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void ClientNetwork::handle_browsing(ip::tcp::socket& socket, bmp::ClientPacket& packet) {
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void ClientNetwork::handle_browsing(bmp::ClientPacket& packet) {
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}
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void ClientNetwork::handle_server_identification(ip::tcp::socket& socket, bmp::ClientPacket& packet) {
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void ClientNetwork::handle_server_identification(bmp::ClientPacket& packet) {
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}
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void ClientNetwork::handle_server_authentication(ip::tcp::socket& socket, bmp::ClientPacket& packet) {
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void ClientNetwork::handle_server_authentication(bmp::ClientPacket& packet) {
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}
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void ClientNetwork::handle_server_mod_download(ip::tcp::socket& socket, bmp::ClientPacket& packet) {
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void ClientNetwork::handle_server_mod_download(bmp::ClientPacket& packet) {
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}
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void ClientNetwork::handle_server_session_setup(ip::tcp::socket& socket, bmp::ClientPacket& packet) {
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void ClientNetwork::handle_server_session_setup(bmp::ClientPacket& packet) {
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}
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void ClientNetwork::handle_server_playing(ip::tcp::socket& socket, bmp::ClientPacket& packet) {
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void ClientNetwork::handle_server_playing(bmp::ClientPacket& packet) {
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}
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void ClientNetwork::handle_server_leaving(ip::tcp::socket& socket, bmp::ClientPacket& packet) {
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void ClientNetwork::handle_server_leaving(bmp::ClientPacket& packet) {
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}
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bmp::ClientPacket ClientNetwork::client_tcp_read(ip::tcp::socket& socket) {
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bmp::ClientPacket ClientNetwork::client_tcp_read() {
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bmp::ClientPacket packet {};
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std::vector<uint8_t> header_buffer(bmp::ClientHeader::SERIALIZED_SIZE);
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read(socket, buffer(header_buffer));
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read(m_game_socket, buffer(header_buffer));
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bmp::ClientHeader hdr {};
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hdr.deserialize_from(header_buffer);
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// vector eaten up by now, recv again
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packet.raw_data.resize(hdr.data_size);
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read(socket, buffer(packet.raw_data));
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read(m_game_socket, buffer(packet.raw_data));
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packet.purpose = hdr.purpose;
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packet.flags = hdr.flags;
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return packet;
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}
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void ClientNetwork::client_tcp_write(ip::tcp::socket& socket, bmp::ClientPacket& packet) {
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void ClientNetwork::client_tcp_write(bmp::ClientPacket& packet) {
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// finalize the packet (compress etc) and produce header
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auto header = packet.finalize();
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// serialize header
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std::vector<uint8_t> header_data(bmp::ClientHeader::SERIALIZED_SIZE);
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header.serialize_to(header_data);
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// write header and packet data
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write(socket, buffer(header_data));
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write(socket, buffer(packet.raw_data));
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write(m_game_socket, buffer(header_data));
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write(m_game_socket, buffer(packet.raw_data));
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}
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std::vector<uint8_t> ClientNetwork::json_to_vec(const nlohmann::json& value) {
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auto str = value.dump();
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@ -21,22 +21,23 @@ public:
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private:
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void handle_connection(ip::tcp::socket&& socket);
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bmp::ClientPacket client_tcp_read(ip::tcp::socket& socket);
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void client_tcp_write(ip::tcp::socket& socket, bmp::ClientPacket& packet);
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bmp::ClientPacket client_tcp_read();
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void client_tcp_write(bmp::ClientPacket& packet);
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void handle_packet(ip::tcp::socket& socket, bmp::ClientPacket& packet);
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void handle_client_identification(ip::tcp::socket& socket, bmp::ClientPacket& packet);
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void handle_login(ip::tcp::socket& socket, bmp::ClientPacket& packet);
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void handle_quick_join(ip::tcp::socket& socket, bmp::ClientPacket& packet);
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void handle_browsing(ip::tcp::socket& socket, bmp::ClientPacket& packet);
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void handle_server_identification(ip::tcp::socket& socket, bmp::ClientPacket& packet);
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void handle_server_authentication(ip::tcp::socket& socket, bmp::ClientPacket& packet);
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void handle_server_mod_download(ip::tcp::socket& socket, bmp::ClientPacket& packet);
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void handle_server_session_setup(ip::tcp::socket& socket, bmp::ClientPacket& packet);
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void handle_server_playing(ip::tcp::socket& socket, bmp::ClientPacket& packet);
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void handle_server_leaving(ip::tcp::socket& socket, bmp::ClientPacket& packet);
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void handle_packet(bmp::ClientPacket& packet);
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void handle_client_identification(bmp::ClientPacket& packet);
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void handle_login(bmp::ClientPacket& packet);
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void handle_quick_join(bmp::ClientPacket& packet);
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void handle_browsing(bmp::ClientPacket& packet);
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void handle_server_identification(bmp::ClientPacket& packet);
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void handle_server_authentication(bmp::ClientPacket& packet);
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void handle_server_mod_download(bmp::ClientPacket& packet);
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void handle_server_session_setup(bmp::ClientPacket& packet);
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void handle_server_playing(bmp::ClientPacket& packet);
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void handle_server_leaving(bmp::ClientPacket& packet);
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void disconnect(ip::tcp::socket& socket, const std::string& reason);
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void disconnect(const std::string& reason);
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void start_login();
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static std::vector<uint8_t> json_to_vec(const nlohmann::json& json);
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static nlohmann::json vec_to_json(const std::vector<uint8_t>& vec);
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@ -44,8 +45,11 @@ private:
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Version m_mod_version;
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Version m_game_version;
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ident::Identity m_identity {};
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uint16_t m_listen_port {};
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io_context m_io {};
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ip::tcp::socket m_game_socket { m_io };
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Sync<bool> m_shutdown { false };
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bmp::ClientState m_client_state;
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};
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11
src/Result.h
Normal file
11
src/Result.h
Normal file
@ -0,0 +1,11 @@
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#pragma once
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#include <boost/outcome.hpp>
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#include <boost/outcome/success_failure.hpp>
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// attribute because [[nodiscard]] isn't possible on using decls - if you wanna write a standards proposal,
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// this is one to write.
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template<typename T, typename EC>
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using Result __attribute__((warn_unused_result)) = boost::outcome_v2::result<T, EC>;
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namespace outcome = boost::outcome_v2;
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