mirror of
https://github.com/tribufu/rust-gamedig
synced 2026-06-01 09:42:41 +00:00
[Crate] Add formatting (#22)
* chore: add standard for formatting * chore: manually tidy up imports and format * chore: remove vscode and add to gitignore * chore: alphabetically order and fix * chore: format * chore: fix format issue with payload * chore: format as merge had unformatted code * [format] Fix comments, change max width and binop operator --------- Co-authored-by: CosminPerRam <cosmin.p@live.com>
This commit is contained in:
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71 changed files with 3165 additions and 2593 deletions
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@ -1,455 +1,512 @@
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use std::collections::HashMap;
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use bzip2_rs::decoder::Decoder;
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use crate::GDResult;
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use crate::bufferer::{Bufferer, Endianess};
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use crate::GDError::{BadGame, Decompress, UnknownEnumCast};
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use crate::protocols::types::TimeoutSettings;
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use crate::protocols::valve::{Engine, ModData, SteamApp};
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use crate::protocols::valve::types::{Environment, ExtraData, GatheringSettings, Request, Response, Server, ServerInfo, ServerPlayer, TheShip};
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use crate::socket::{Socket, UdpSocket};
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use crate::utils::u8_lower_upper;
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#[derive(Debug, Clone)]
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struct Packet {
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pub header: u32,
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pub kind: u8,
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pub payload: Vec<u8>
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}
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impl Packet {
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fn new(buffer: &mut Bufferer) -> GDResult<Self> {
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Ok(Self {
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header: buffer.get_u32()?,
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kind: buffer.get_u8()?,
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payload: buffer.remaining_data_vec()
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})
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}
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fn challenge(kind: Request, challenge: Vec<u8>) -> Self {
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let mut initial = Packet::initial(kind);
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Self {
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header: initial.header,
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kind: initial.kind,
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payload: match kind {
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Request::Info => {
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initial.payload.extend(challenge);
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initial.payload
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},
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_ => challenge
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}
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}
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}
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fn initial(kind: Request) -> Self {
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Self {
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header: 4294967295, //FF FF FF FF
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kind: kind as u8,
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payload: match kind {
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Request::Info => String::from("Source Engine Query\0").into_bytes(),
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_ => vec![0xFF, 0xFF, 0xFF, 0xFF]
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}
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}
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}
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fn to_bytes(&self) -> Vec<u8> {
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let mut buf = Vec::from(self.header.to_be_bytes());
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buf.push(self.kind);
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buf.extend(&self.payload);
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buf
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}
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}
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#[derive(Debug)]
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#[allow(dead_code)] //remove this later on
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struct SplitPacket {
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pub header: u32,
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pub id: u32,
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pub total: u8,
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pub number: u8,
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pub size: u16,
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pub compressed: bool,
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pub decompressed_size: Option<u32>,
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pub uncompressed_crc32: Option<u32>,
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payload: Vec<u8>
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}
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impl SplitPacket {
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fn new(engine: &Engine, protocol: u8, buffer: &mut Bufferer) -> GDResult<Self> {
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let header = buffer.get_u32()?;
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let id = buffer.get_u32()?;
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let (total, number, size, compressed, decompressed_size, uncompressed_crc32) = match engine {
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Engine::GoldSrc(_) => {
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let (lower, upper) = u8_lower_upper(buffer.get_u8()?);
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(lower, upper, 0, false, None, None)
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}
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Engine::Source(_) => {
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let total = buffer.get_u8()?;
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let number = buffer.get_u8()?;
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let size = match protocol == 7 && (*engine == SteamApp::CSS.as_engine()) { //certain apps with protocol = 7 dont have this field
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false => buffer.get_u16()?,
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true => 1248
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};
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let compressed = ((id >> 31) & 1) == 1;
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let (decompressed_size, uncompressed_crc32) = match compressed {
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false => (None, None),
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true => (Some(buffer.get_u32()?), Some(buffer.get_u32()?))
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};
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(total, number, size, compressed, decompressed_size, uncompressed_crc32)
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}
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};
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Ok(Self {
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header,
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id,
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total,
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number,
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size,
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compressed,
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decompressed_size,
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uncompressed_crc32,
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payload: buffer.remaining_data_vec()
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})
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}
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fn get_payload(&self) -> GDResult<Vec<u8>> {
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if self.compressed {
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let mut decoder = Decoder::new();
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decoder.write(&self.payload).map_err(|_| Decompress)?;
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let decompressed_size = self.decompressed_size.unwrap() as usize;
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let mut decompressed_payload = vec![0; decompressed_size];
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decoder.read(&mut decompressed_payload).map_err(|_| Decompress)?;
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if decompressed_payload.len() != decompressed_size
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|| crc32fast::hash(&decompressed_payload) != self.uncompressed_crc32.unwrap() {
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Err(Decompress)
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}
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else {
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Ok(decompressed_payload)
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}
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} else {
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Ok(self.payload.clone())
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}
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}
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}
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struct ValveProtocol {
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socket: UdpSocket
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}
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static PACKET_SIZE: usize = 6144;
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impl ValveProtocol {
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fn new(address: &str, port: u16, timeout_settings: Option<TimeoutSettings>) -> GDResult<Self> {
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let socket = UdpSocket::new(address, port)?;
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socket.apply_timeout(timeout_settings)?;
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Ok(Self {
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socket
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})
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}
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fn receive(&mut self, engine: &Engine, protocol: u8, buffer_size: usize) -> GDResult<Packet> {
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let data = self.socket.receive(Some(buffer_size))?;
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let mut buffer = Bufferer::new_with_data(Endianess::Little, &data);
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let header = buffer.get_u8()?;
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buffer.move_position_backward(1);
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if header == 0xFE { //the packet is split
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let mut main_packet = SplitPacket::new(engine, protocol, &mut buffer)?;
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let mut chunk_packets = Vec::with_capacity((main_packet.total - 1) as usize);
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for _ in 1..main_packet.total {
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let new_data = self.socket.receive(Some(buffer_size))?;
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buffer = Bufferer::new_with_data(Endianess::Little, &new_data);
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let chunk_packet = SplitPacket::new(engine, protocol, &mut buffer)?;
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chunk_packets.push(chunk_packet);
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}
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chunk_packets.sort_by(|a, b| a.number.cmp(&b.number));
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for chunk_packet in chunk_packets {
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main_packet.payload.extend(chunk_packet.payload);
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}
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let mut new_packet_buffer = Bufferer::new_with_data(Endianess::Little, &main_packet.get_payload()?);
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Ok(Packet::new(&mut new_packet_buffer)?)
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}
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else {
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Packet::new(&mut buffer)
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}
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}
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/// Ask for a specific request only.
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fn get_request_data(&mut self, engine: &Engine, protocol: u8, kind: Request) -> GDResult<Bufferer> {
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let request_initial_packet = Packet::initial(kind).to_bytes();
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self.socket.send(&request_initial_packet)?;
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let mut packet = self.receive(engine, protocol, PACKET_SIZE)?;
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while packet.kind == 0x41 {// 'A'
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let challenge = packet.payload.clone();
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let challenge_packet = Packet::challenge(kind, challenge).to_bytes();
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self.socket.send(&challenge_packet)?;
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packet = self.receive(engine, protocol, PACKET_SIZE)?;
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}
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let data = packet.payload;
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Ok(Bufferer::new_with_data(Endianess::Little, &data))
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}
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fn get_goldsrc_server_info(buffer: &mut Bufferer) -> GDResult<ServerInfo> {
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buffer.get_u8()?; //get the header (useless info)
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buffer.get_string_utf8()?; //get the server address (useless info)
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let name = buffer.get_string_utf8()?;
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let map = buffer.get_string_utf8()?;
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let folder = buffer.get_string_utf8()?;
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let game = buffer.get_string_utf8()?;
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let players = buffer.get_u8()?;
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let max_players = buffer.get_u8()?;
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let protocol = buffer.get_u8()?;
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let server_type = match buffer.get_u8()? {
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68 => Server::Dedicated, //'D'
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76 => Server::NonDedicated, //'L'
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80 => Server::TV, //'P'
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_ => Err(UnknownEnumCast)?
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};
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let environment_type = match buffer.get_u8()? {
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76 => Environment::Linux, //'L'
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87 => Environment::Windows, //'W'
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_ => Err(UnknownEnumCast)?
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};
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let has_password = buffer.get_u8()? == 1;
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let is_mod = buffer.get_u8()? == 1;
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let mod_data = match is_mod {
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false => None,
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true => Some(ModData {
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link: buffer.get_string_utf8()?,
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download_link: buffer.get_string_utf8()?,
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version: buffer.get_u32()?,
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size: buffer.get_u32()?,
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multiplayer_only: buffer.get_u8()? == 1,
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has_own_dll: buffer.get_u8()? == 1
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})
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};
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let vac_secured = buffer.get_u8()? == 1;
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let bots = buffer.get_u8()?;
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Ok(ServerInfo {
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protocol,
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name,
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map,
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folder,
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game,
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appid: 0, //not present in the obsolete response
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players_online: players,
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players_maximum: max_players,
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players_bots: bots,
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server_type,
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environment_type,
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has_password,
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vac_secured,
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the_ship: None,
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version: "".to_string(), //a version field only for the mod
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extra_data: None,
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is_mod,
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mod_data
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})
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}
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/// Get the server information's.
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fn get_server_info(&mut self, engine: &Engine) -> GDResult<ServerInfo> {
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let mut buffer = self.get_request_data(engine, 0, Request::Info)?;
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if let Engine::GoldSrc(force) = engine {
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if *force {
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return ValveProtocol::get_goldsrc_server_info(&mut buffer);
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}
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}
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let protocol = buffer.get_u8()?;
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let name = buffer.get_string_utf8()?;
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let map = buffer.get_string_utf8()?;
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let folder = buffer.get_string_utf8()?;
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let game = buffer.get_string_utf8()?;
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let mut appid = buffer.get_u16()? as u32;
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let players = buffer.get_u8()?;
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let max_players = buffer.get_u8()?;
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let bots = buffer.get_u8()?;
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let server_type = match buffer.get_u8()? {
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100 => Server::Dedicated, //'d'
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108 => Server::NonDedicated, //'l'
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112 => Server::TV, //'p'
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_ => Err(UnknownEnumCast)?
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};
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let environment_type = match buffer.get_u8()? {
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108 => Environment::Linux, //'l'
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119 => Environment::Windows, //'w'
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109 | 111 => Environment::Mac, //'m' or 'o'
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_ => Err(UnknownEnumCast)?
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};
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let has_password = buffer.get_u8()? == 1;
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let vac_secured = buffer.get_u8()? == 1;
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let the_ship = match *engine == SteamApp::TS.as_engine() {
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false => None,
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true => Some(TheShip {
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mode: buffer.get_u8()?,
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witnesses: buffer.get_u8()?,
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duration: buffer.get_u8()?
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})
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};
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let version = buffer.get_string_utf8()?;
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let extra_data = match buffer.get_u8() {
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Err(_) => None,
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Ok(value) => Some(ExtraData {
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port: match (value & 0x80) > 0 {
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false => None,
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true => Some(buffer.get_u16()?)
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},
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steam_id: match (value & 0x10) > 0 {
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false => None,
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true => Some(buffer.get_u64()?)
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},
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tv_port: match (value & 0x40) > 0 {
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false => None,
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true => Some(buffer.get_u16()?)
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},
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tv_name: match (value & 0x40) > 0 {
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false => None,
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true => Some(buffer.get_string_utf8()?)
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},
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keywords: match (value & 0x20) > 0 {
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false => None,
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true => Some(buffer.get_string_utf8()?)
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},
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game_id: match (value & 0x01) > 0 {
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false => None,
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true => {
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let gid = buffer.get_u64()?;
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appid = (gid & ((1 << 24) - 1)) as u32;
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Some(gid)
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}
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}
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})
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};
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Ok(ServerInfo {
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protocol,
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name,
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map,
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folder,
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game,
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appid,
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players_online: players,
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players_maximum: max_players,
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players_bots: bots,
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server_type,
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environment_type,
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has_password,
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vac_secured,
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the_ship,
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version,
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extra_data,
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is_mod: false,
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mod_data: None
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})
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}
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/// Get the server player's.
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fn get_server_players(&mut self, engine: &Engine, protocol: u8) -> GDResult<Vec<ServerPlayer>> {
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let mut buffer = self.get_request_data(engine, protocol, Request::Players)?;
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let count = buffer.get_u8()? as usize;
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let mut players: Vec<ServerPlayer> = Vec::with_capacity(count);
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for _ in 0..count {
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buffer.move_position_ahead(1); //skip the index byte
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players.push(ServerPlayer {
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name: buffer.get_string_utf8()?,
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score: buffer.get_u32()?,
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duration: buffer.get_f32()?,
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deaths: match *engine == SteamApp::TS.as_engine() {
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false => None,
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true => Some(buffer.get_u32()?)
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},
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money: match *engine == SteamApp::TS.as_engine() {
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false => None,
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true => Some(buffer.get_u32()?)
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},
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});
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}
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Ok(players)
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}
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/// Get the server's rules.
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fn get_server_rules(&mut self, engine: &Engine, protocol: u8) -> GDResult<HashMap<String, String>> {
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let mut buffer = self.get_request_data(engine, protocol, Request::Rules)?;
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let count = buffer.get_u16()? as usize;
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let mut rules: HashMap<String, String> = HashMap::with_capacity(count);
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for _ in 0..count {
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let name = buffer.get_string_utf8()?;
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let value = buffer.get_string_utf8()?;
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rules.insert(name, value);
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}
|
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|
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if *engine == SteamApp::ROR2.as_engine() {
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rules.remove("Test");
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}
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|
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Ok(rules)
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}
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}
|
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|
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/// Query a server by providing the address, the port, the app, gather and timeout settings.
|
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/// Providing None to the settings results in using the default values for them (GatherSettings::[default](GatheringSettings::default), TimeoutSettings::[default](TimeoutSettings::default)).
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pub fn query(address: &str, port: u16, engine: Engine, gather_settings: Option<GatheringSettings>, timeout_settings: Option<TimeoutSettings>) -> GDResult<Response> {
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let response_gather_settings = gather_settings.unwrap_or_default();
|
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get_response(address, port, engine, response_gather_settings, timeout_settings)
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}
|
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|
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fn get_response(address: &str, port: u16, engine: Engine, gather_settings: GatheringSettings, timeout_settings: Option<TimeoutSettings>) -> GDResult<Response> {
|
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let mut client = ValveProtocol::new(address, port, timeout_settings)?;
|
||||
|
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let info = client.get_server_info(&engine)?;
|
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let protocol = info.protocol;
|
||||
|
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if let Engine::Source(Some(appids)) = &engine {
|
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let mut is_specified_id = false;
|
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|
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if appids.0 == info.appid {
|
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is_specified_id = true;
|
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} else if let Some(dedicated_appid) = appids.1 {
|
||||
if dedicated_appid == info.appid {
|
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is_specified_id = true;
|
||||
}
|
||||
}
|
||||
|
||||
if !is_specified_id {
|
||||
return Err(BadGame(format!("AppId: {}", info.appid)));
|
||||
}
|
||||
}
|
||||
|
||||
Ok(Response {
|
||||
info,
|
||||
players: match gather_settings.players {
|
||||
false => None,
|
||||
true => Some(client.get_server_players(&engine, protocol)?)
|
||||
},
|
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rules: match gather_settings.rules {
|
||||
false => None,
|
||||
true => Some(client.get_server_rules(&engine, protocol)?)
|
||||
}
|
||||
})
|
||||
}
|
||||
use crate::{
|
||||
bufferer::{Bufferer, Endianess},
|
||||
protocols::{
|
||||
types::TimeoutSettings,
|
||||
valve::{
|
||||
types::{
|
||||
Environment,
|
||||
ExtraData,
|
||||
GatheringSettings,
|
||||
Request,
|
||||
Response,
|
||||
Server,
|
||||
ServerInfo,
|
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ServerPlayer,
|
||||
TheShip,
|
||||
},
|
||||
Engine,
|
||||
ModData,
|
||||
SteamApp,
|
||||
},
|
||||
},
|
||||
|
||||
socket::{Socket, UdpSocket},
|
||||
utils::u8_lower_upper,
|
||||
GDError::{BadGame, Decompress, UnknownEnumCast},
|
||||
GDResult,
|
||||
};
|
||||
|
||||
use bzip2_rs::decoder::Decoder;
|
||||
|
||||
use std::collections::HashMap;
|
||||
|
||||
#[derive(Debug, Clone)]
|
||||
struct Packet {
|
||||
pub header: u32,
|
||||
pub kind: u8,
|
||||
pub payload: Vec<u8>,
|
||||
}
|
||||
|
||||
impl Packet {
|
||||
fn new(buffer: &mut Bufferer) -> GDResult<Self> {
|
||||
Ok(Self {
|
||||
header: buffer.get_u32()?,
|
||||
kind: buffer.get_u8()?,
|
||||
payload: buffer.remaining_data_vec(),
|
||||
})
|
||||
}
|
||||
|
||||
fn challenge(kind: Request, challenge: Vec<u8>) -> Self {
|
||||
let mut initial = Packet::initial(kind);
|
||||
|
||||
Self {
|
||||
header: initial.header,
|
||||
kind: initial.kind,
|
||||
payload: match kind {
|
||||
Request::Info => {
|
||||
initial.payload.extend(challenge);
|
||||
initial.payload
|
||||
}
|
||||
_ => challenge,
|
||||
},
|
||||
}
|
||||
}
|
||||
|
||||
fn initial(kind: Request) -> Self {
|
||||
Self {
|
||||
header: 4294967295, // FF FF FF FF
|
||||
kind: kind as u8,
|
||||
payload: match kind {
|
||||
Request::Info => String::from("Source Engine Query\0").into_bytes(),
|
||||
_ => vec![0xFF, 0xFF, 0xFF, 0xFF],
|
||||
},
|
||||
}
|
||||
}
|
||||
|
||||
fn to_bytes(&self) -> Vec<u8> {
|
||||
let mut buf = Vec::from(self.header.to_be_bytes());
|
||||
|
||||
buf.push(self.kind);
|
||||
buf.extend(&self.payload);
|
||||
|
||||
buf
|
||||
}
|
||||
}
|
||||
|
||||
#[derive(Debug)]
|
||||
#[allow(dead_code)] //remove this later on
|
||||
struct SplitPacket {
|
||||
pub header: u32,
|
||||
pub id: u32,
|
||||
pub total: u8,
|
||||
pub number: u8,
|
||||
pub size: u16,
|
||||
pub compressed: bool,
|
||||
pub decompressed_size: Option<u32>,
|
||||
pub uncompressed_crc32: Option<u32>,
|
||||
payload: Vec<u8>,
|
||||
}
|
||||
|
||||
impl SplitPacket {
|
||||
fn new(engine: &Engine, protocol: u8, buffer: &mut Bufferer) -> GDResult<Self> {
|
||||
let header = buffer.get_u32()?;
|
||||
let id = buffer.get_u32()?;
|
||||
let (total, number, size, compressed, decompressed_size, uncompressed_crc32) = match engine {
|
||||
Engine::GoldSrc(_) => {
|
||||
let (lower, upper) = u8_lower_upper(buffer.get_u8()?);
|
||||
(lower, upper, 0, false, None, None)
|
||||
}
|
||||
Engine::Source(_) => {
|
||||
let total = buffer.get_u8()?;
|
||||
let number = buffer.get_u8()?;
|
||||
let size = match protocol == 7 && (*engine == SteamApp::CSS.as_engine()) {
|
||||
// certain apps with protocol = 7 dont have this field
|
||||
false => buffer.get_u16()?,
|
||||
true => 1248,
|
||||
};
|
||||
let compressed = ((id >> 31) & 1) == 1;
|
||||
let (decompressed_size, uncompressed_crc32) = match compressed {
|
||||
false => (None, None),
|
||||
true => (Some(buffer.get_u32()?), Some(buffer.get_u32()?)),
|
||||
};
|
||||
(
|
||||
total,
|
||||
number,
|
||||
size,
|
||||
compressed,
|
||||
decompressed_size,
|
||||
uncompressed_crc32,
|
||||
)
|
||||
}
|
||||
};
|
||||
|
||||
Ok(Self {
|
||||
header,
|
||||
id,
|
||||
total,
|
||||
number,
|
||||
size,
|
||||
compressed,
|
||||
decompressed_size,
|
||||
uncompressed_crc32,
|
||||
payload: buffer.remaining_data_vec(),
|
||||
})
|
||||
}
|
||||
|
||||
fn get_payload(&self) -> GDResult<Vec<u8>> {
|
||||
if self.compressed {
|
||||
let mut decoder = Decoder::new();
|
||||
decoder.write(&self.payload).map_err(|_| Decompress)?;
|
||||
|
||||
let decompressed_size = self.decompressed_size.unwrap() as usize;
|
||||
|
||||
let mut decompressed_payload = vec![0; decompressed_size];
|
||||
|
||||
decoder
|
||||
.read(&mut decompressed_payload)
|
||||
.map_err(|_| Decompress)?;
|
||||
|
||||
if decompressed_payload.len() != decompressed_size
|
||||
|| crc32fast::hash(&decompressed_payload) != self.uncompressed_crc32.unwrap()
|
||||
{
|
||||
Err(Decompress)
|
||||
} else {
|
||||
Ok(decompressed_payload)
|
||||
}
|
||||
} else {
|
||||
Ok(self.payload.clone())
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
struct ValveProtocol {
|
||||
socket: UdpSocket,
|
||||
}
|
||||
|
||||
static PACKET_SIZE: usize = 6144;
|
||||
|
||||
impl ValveProtocol {
|
||||
fn new(address: &str, port: u16, timeout_settings: Option<TimeoutSettings>) -> GDResult<Self> {
|
||||
let socket = UdpSocket::new(address, port)?;
|
||||
socket.apply_timeout(timeout_settings)?;
|
||||
|
||||
Ok(Self { socket })
|
||||
}
|
||||
|
||||
fn receive(&mut self, engine: &Engine, protocol: u8, buffer_size: usize) -> GDResult<Packet> {
|
||||
let data = self.socket.receive(Some(buffer_size))?;
|
||||
let mut buffer = Bufferer::new_with_data(Endianess::Little, &data);
|
||||
|
||||
let header = buffer.get_u8()?;
|
||||
buffer.move_position_backward(1);
|
||||
if header == 0xFE {
|
||||
// the packet is split
|
||||
let mut main_packet = SplitPacket::new(engine, protocol, &mut buffer)?;
|
||||
let mut chunk_packets = Vec::with_capacity((main_packet.total - 1) as usize);
|
||||
|
||||
for _ in 1 .. main_packet.total {
|
||||
let new_data = self.socket.receive(Some(buffer_size))?;
|
||||
buffer = Bufferer::new_with_data(Endianess::Little, &new_data);
|
||||
let chunk_packet = SplitPacket::new(engine, protocol, &mut buffer)?;
|
||||
chunk_packets.push(chunk_packet);
|
||||
}
|
||||
|
||||
chunk_packets.sort_by(|a, b| a.number.cmp(&b.number));
|
||||
|
||||
for chunk_packet in chunk_packets {
|
||||
main_packet.payload.extend(chunk_packet.payload);
|
||||
}
|
||||
|
||||
let mut new_packet_buffer = Bufferer::new_with_data(Endianess::Little, &main_packet.get_payload()?);
|
||||
Ok(Packet::new(&mut new_packet_buffer)?)
|
||||
} else {
|
||||
Packet::new(&mut buffer)
|
||||
}
|
||||
}
|
||||
|
||||
/// Ask for a specific request only.
|
||||
fn get_request_data(&mut self, engine: &Engine, protocol: u8, kind: Request) -> GDResult<Bufferer> {
|
||||
let request_initial_packet = Packet::initial(kind).to_bytes();
|
||||
self.socket.send(&request_initial_packet)?;
|
||||
|
||||
let mut packet = self.receive(engine, protocol, PACKET_SIZE)?;
|
||||
while packet.kind == 0x41 {
|
||||
// 'A'
|
||||
let challenge = packet.payload.clone();
|
||||
let challenge_packet = Packet::challenge(kind, challenge).to_bytes();
|
||||
|
||||
self.socket.send(&challenge_packet)?;
|
||||
|
||||
packet = self.receive(engine, protocol, PACKET_SIZE)?;
|
||||
}
|
||||
|
||||
let data = packet.payload;
|
||||
Ok(Bufferer::new_with_data(Endianess::Little, &data))
|
||||
}
|
||||
|
||||
fn get_goldsrc_server_info(buffer: &mut Bufferer) -> GDResult<ServerInfo> {
|
||||
buffer.get_u8()?; //get the header (useless info)
|
||||
buffer.get_string_utf8()?; //get the server address (useless info)
|
||||
let name = buffer.get_string_utf8()?;
|
||||
let map = buffer.get_string_utf8()?;
|
||||
let folder = buffer.get_string_utf8()?;
|
||||
let game = buffer.get_string_utf8()?;
|
||||
let players = buffer.get_u8()?;
|
||||
let max_players = buffer.get_u8()?;
|
||||
let protocol = buffer.get_u8()?;
|
||||
let server_type = match buffer.get_u8()? {
|
||||
68 => Server::Dedicated, //'D'
|
||||
76 => Server::NonDedicated, //'L'
|
||||
80 => Server::TV, //'P'
|
||||
_ => Err(UnknownEnumCast)?,
|
||||
};
|
||||
let environment_type = match buffer.get_u8()? {
|
||||
76 => Environment::Linux, //'L'
|
||||
87 => Environment::Windows, //'W'
|
||||
_ => Err(UnknownEnumCast)?,
|
||||
};
|
||||
let has_password = buffer.get_u8()? == 1;
|
||||
let is_mod = buffer.get_u8()? == 1;
|
||||
let mod_data = match is_mod {
|
||||
false => None,
|
||||
true => {
|
||||
Some(ModData {
|
||||
link: buffer.get_string_utf8()?,
|
||||
download_link: buffer.get_string_utf8()?,
|
||||
version: buffer.get_u32()?,
|
||||
size: buffer.get_u32()?,
|
||||
multiplayer_only: buffer.get_u8()? == 1,
|
||||
has_own_dll: buffer.get_u8()? == 1,
|
||||
})
|
||||
}
|
||||
};
|
||||
let vac_secured = buffer.get_u8()? == 1;
|
||||
let bots = buffer.get_u8()?;
|
||||
|
||||
Ok(ServerInfo {
|
||||
protocol,
|
||||
name,
|
||||
map,
|
||||
folder,
|
||||
game,
|
||||
appid: 0, // not present in the obsolete response
|
||||
players_online: players,
|
||||
players_maximum: max_players,
|
||||
players_bots: bots,
|
||||
server_type,
|
||||
environment_type,
|
||||
has_password,
|
||||
vac_secured,
|
||||
the_ship: None,
|
||||
version: "".to_string(), // a version field only for the mod
|
||||
extra_data: None,
|
||||
is_mod,
|
||||
mod_data,
|
||||
})
|
||||
}
|
||||
|
||||
/// Get the server information's.
|
||||
fn get_server_info(&mut self, engine: &Engine) -> GDResult<ServerInfo> {
|
||||
let mut buffer = self.get_request_data(engine, 0, Request::Info)?;
|
||||
|
||||
if let Engine::GoldSrc(force) = engine {
|
||||
if *force {
|
||||
return ValveProtocol::get_goldsrc_server_info(&mut buffer);
|
||||
}
|
||||
}
|
||||
|
||||
let protocol = buffer.get_u8()?;
|
||||
let name = buffer.get_string_utf8()?;
|
||||
let map = buffer.get_string_utf8()?;
|
||||
let folder = buffer.get_string_utf8()?;
|
||||
let game = buffer.get_string_utf8()?;
|
||||
let mut appid = buffer.get_u16()? as u32;
|
||||
let players = buffer.get_u8()?;
|
||||
let max_players = buffer.get_u8()?;
|
||||
let bots = buffer.get_u8()?;
|
||||
let server_type = match buffer.get_u8()? {
|
||||
100 => Server::Dedicated, //'d'
|
||||
108 => Server::NonDedicated, //'l'
|
||||
112 => Server::TV, //'p'
|
||||
_ => Err(UnknownEnumCast)?,
|
||||
};
|
||||
let environment_type = match buffer.get_u8()? {
|
||||
108 => Environment::Linux, //'l'
|
||||
119 => Environment::Windows, //'w'
|
||||
109 | 111 => Environment::Mac, //'m' or 'o'
|
||||
_ => Err(UnknownEnumCast)?,
|
||||
};
|
||||
let has_password = buffer.get_u8()? == 1;
|
||||
let vac_secured = buffer.get_u8()? == 1;
|
||||
let the_ship = match *engine == SteamApp::TS.as_engine() {
|
||||
false => None,
|
||||
true => {
|
||||
Some(TheShip {
|
||||
mode: buffer.get_u8()?,
|
||||
witnesses: buffer.get_u8()?,
|
||||
duration: buffer.get_u8()?,
|
||||
})
|
||||
}
|
||||
};
|
||||
let version = buffer.get_string_utf8()?;
|
||||
let extra_data = match buffer.get_u8() {
|
||||
Err(_) => None,
|
||||
Ok(value) => {
|
||||
Some(ExtraData {
|
||||
port: match (value & 0x80) > 0 {
|
||||
false => None,
|
||||
true => Some(buffer.get_u16()?),
|
||||
},
|
||||
steam_id: match (value & 0x10) > 0 {
|
||||
false => None,
|
||||
true => Some(buffer.get_u64()?),
|
||||
},
|
||||
tv_port: match (value & 0x40) > 0 {
|
||||
false => None,
|
||||
true => Some(buffer.get_u16()?),
|
||||
},
|
||||
tv_name: match (value & 0x40) > 0 {
|
||||
false => None,
|
||||
true => Some(buffer.get_string_utf8()?),
|
||||
},
|
||||
keywords: match (value & 0x20) > 0 {
|
||||
false => None,
|
||||
true => Some(buffer.get_string_utf8()?),
|
||||
},
|
||||
game_id: match (value & 0x01) > 0 {
|
||||
false => None,
|
||||
true => {
|
||||
let gid = buffer.get_u64()?;
|
||||
appid = (gid & ((1 << 24) - 1)) as u32;
|
||||
|
||||
Some(gid)
|
||||
}
|
||||
},
|
||||
})
|
||||
}
|
||||
};
|
||||
|
||||
Ok(ServerInfo {
|
||||
protocol,
|
||||
name,
|
||||
map,
|
||||
folder,
|
||||
game,
|
||||
appid,
|
||||
players_online: players,
|
||||
players_maximum: max_players,
|
||||
players_bots: bots,
|
||||
server_type,
|
||||
environment_type,
|
||||
has_password,
|
||||
vac_secured,
|
||||
the_ship,
|
||||
version,
|
||||
extra_data,
|
||||
is_mod: false,
|
||||
mod_data: None,
|
||||
})
|
||||
}
|
||||
|
||||
/// Get the server player's.
|
||||
fn get_server_players(&mut self, engine: &Engine, protocol: u8) -> GDResult<Vec<ServerPlayer>> {
|
||||
let mut buffer = self.get_request_data(engine, protocol, Request::Players)?;
|
||||
|
||||
let count = buffer.get_u8()? as usize;
|
||||
let mut players: Vec<ServerPlayer> = Vec::with_capacity(count);
|
||||
|
||||
for _ in 0 .. count {
|
||||
buffer.move_position_ahead(1); //skip the index byte
|
||||
|
||||
players.push(ServerPlayer {
|
||||
name: buffer.get_string_utf8()?,
|
||||
score: buffer.get_u32()?,
|
||||
duration: buffer.get_f32()?,
|
||||
deaths: match *engine == SteamApp::TS.as_engine() {
|
||||
false => None,
|
||||
true => Some(buffer.get_u32()?),
|
||||
},
|
||||
money: match *engine == SteamApp::TS.as_engine() {
|
||||
false => None,
|
||||
true => Some(buffer.get_u32()?),
|
||||
},
|
||||
});
|
||||
}
|
||||
|
||||
Ok(players)
|
||||
}
|
||||
|
||||
/// Get the server's rules.
|
||||
fn get_server_rules(&mut self, engine: &Engine, protocol: u8) -> GDResult<HashMap<String, String>> {
|
||||
let mut buffer = self.get_request_data(engine, protocol, Request::Rules)?;
|
||||
|
||||
let count = buffer.get_u16()? as usize;
|
||||
let mut rules: HashMap<String, String> = HashMap::with_capacity(count);
|
||||
|
||||
for _ in 0 .. count {
|
||||
let name = buffer.get_string_utf8()?;
|
||||
let value = buffer.get_string_utf8()?;
|
||||
|
||||
rules.insert(name, value);
|
||||
}
|
||||
|
||||
if *engine == SteamApp::ROR2.as_engine() {
|
||||
rules.remove("Test");
|
||||
}
|
||||
|
||||
Ok(rules)
|
||||
}
|
||||
}
|
||||
|
||||
/// Query a server by providing the address, the port, the app, gather and
|
||||
/// timeout settings. Providing None to the settings results in using the
|
||||
/// default values for them
|
||||
/// (GatherSettings::[default](GatheringSettings::default),
|
||||
/// TimeoutSettings::[default](TimeoutSettings::default)).
|
||||
pub fn query(
|
||||
address: &str,
|
||||
port: u16,
|
||||
engine: Engine,
|
||||
gather_settings: Option<GatheringSettings>,
|
||||
timeout_settings: Option<TimeoutSettings>,
|
||||
) -> GDResult<Response> {
|
||||
let response_gather_settings = gather_settings.unwrap_or_default();
|
||||
get_response(
|
||||
address,
|
||||
port,
|
||||
engine,
|
||||
response_gather_settings,
|
||||
timeout_settings,
|
||||
)
|
||||
}
|
||||
|
||||
fn get_response(
|
||||
address: &str,
|
||||
port: u16,
|
||||
engine: Engine,
|
||||
gather_settings: GatheringSettings,
|
||||
timeout_settings: Option<TimeoutSettings>,
|
||||
) -> GDResult<Response> {
|
||||
let mut client = ValveProtocol::new(address, port, timeout_settings)?;
|
||||
|
||||
let info = client.get_server_info(&engine)?;
|
||||
let protocol = info.protocol;
|
||||
|
||||
if let Engine::Source(Some(appids)) = &engine {
|
||||
let mut is_specified_id = false;
|
||||
|
||||
if appids.0 == info.appid {
|
||||
is_specified_id = true;
|
||||
} else if let Some(dedicated_appid) = appids.1 {
|
||||
if dedicated_appid == info.appid {
|
||||
is_specified_id = true;
|
||||
}
|
||||
}
|
||||
|
||||
if !is_specified_id {
|
||||
return Err(BadGame(format!("AppId: {}", info.appid)));
|
||||
}
|
||||
}
|
||||
|
||||
Ok(Response {
|
||||
info,
|
||||
players: match gather_settings.players {
|
||||
false => None,
|
||||
true => Some(client.get_server_players(&engine, protocol)?),
|
||||
},
|
||||
rules: match gather_settings.rules {
|
||||
false => None,
|
||||
true => Some(client.get_server_rules(&engine, protocol)?),
|
||||
},
|
||||
})
|
||||
}
|
||||
|
|
|
|||
Loading…
Add table
Add a link
Reference in a new issue