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| 1 | +use std::error::Error; |
| 2 | +use std::net::UdpSocket; |
| 3 | +use std::env; |
| 4 | +use std::time::{Duration, Instant}; |
| 5 | + |
| 6 | +use quakeworld::protocol::message::Message; |
| 7 | +use quakeworld::protocol::types::{Packet,ServerMessage}; |
| 8 | +use quakeworld::network::connection::{client, client::ClientConnectionState}; |
| 9 | +use quakeworld::utils::ascii_converter::AsciiConverter; |
| 10 | + |
| 11 | +fn generate_crc(_map_name: String) -> u32 { |
| 12 | + return 1849737252; // maps/maphub_v1.bsp |
| 13 | +} |
| 14 | + |
| 15 | +fn connect(local_ip: String, remote_ip: String) -> Result<bool, Box<dyn Error>> { |
| 16 | + // initialize socket and client struct |
| 17 | + let ascii_converter = AsciiConverter::new(); |
| 18 | + let socket = UdpSocket::bind(local_ip.clone())?; |
| 19 | + let mut buf = vec![0_u8; 1024 * 4]; |
| 20 | + let s_a = socket.local_addr()?; |
| 21 | + let _ = socket.set_read_timeout(Some(Duration::new(2, 0))); |
| 22 | + let mut client = client::Client::new(s_a.to_string(), ascii_converter); |
| 23 | + |
| 24 | + let mut last_time = Instant::now(); |
| 25 | + |
| 26 | + client.userinfo.update_from_string("name", "rust_user"); |
| 27 | + client.userinfo.update_from_string("*client", "rust_quake"); |
| 28 | + client.userinfo.update_from_string("spectator", "1"); |
| 29 | + client.userinfo.update_from_string("rate", "25000"); |
| 30 | + |
| 31 | + // generate and send the challenge package |
| 32 | + let get_challenge_packet = client.connect(s_a.port()); |
| 33 | + let r = socket.send_to(&get_challenge_packet, &remote_ip)?; |
| 34 | + assert_eq!(r, get_challenge_packet.len()); |
| 35 | + |
| 36 | + let mut count = 0; |
| 37 | + let mut connected = false; |
| 38 | + loop { |
| 39 | + // recieve server packet |
| 40 | + let mut message = Message::empty(); |
| 41 | + message.bigendian = true; |
| 42 | + let server_packet = match socket.recv_from(&mut buf) { |
| 43 | + Ok((n, _)) => { |
| 44 | + buf[..n].to_vec() |
| 45 | + }, |
| 46 | + Err(..) => { |
| 47 | + [].to_vec() |
| 48 | + }, |
| 49 | + }; |
| 50 | + |
| 51 | + // handle a timeout |
| 52 | + if server_packet.is_empty() { |
| 53 | + let status = client.handle_timeout()?; |
| 54 | + if let Some(mut response) = status.response { |
| 55 | + let r = socket.send_to(&response, &remote_ip)?; |
| 56 | + assert_eq!(r, response.len()); |
| 57 | + } |
| 58 | + continue; |
| 59 | + } |
| 60 | + |
| 61 | + // parse the packet |
| 62 | + let status = client.handle_packet(server_packet)?; |
| 63 | + // see if we need to send a response |
| 64 | + if let Some(mut response) = status.response { |
| 65 | + if last_time.elapsed().as_secs() > 10 { |
| 66 | + message.write_client_command_string(format!("say hello! from rust for the {}... time", count)); |
| 67 | + count += 1; |
| 68 | + response.extend(message.buffer.to_vec()); |
| 69 | + last_time = Instant::now(); |
| 70 | + } |
| 71 | + let r = socket.send_to(&response, &remote_ip)?; |
| 72 | + assert_eq!(r, response.len()); |
| 73 | + } |
| 74 | + |
| 75 | + // reduce socket read timeout once we are connected |
| 76 | + if client.state == ClientConnectionState::Connected && !connected { |
| 77 | + let _ = socket.set_read_timeout(Some(Duration::new(0, 200000000))); |
| 78 | + connected = true; |
| 79 | + } |
| 80 | + |
| 81 | + if let Some(p) = status.packet { |
| 82 | + match p { |
| 83 | + Packet::Connected(p) => { |
| 84 | + for message in p.messages { |
| 85 | + match message { |
| 86 | + ServerMessage::Print(pr) => { |
| 87 | + println!("{}", pr.message.string); |
| 88 | + if pr.message.string.contains("rust panic!") { |
| 89 | + return Ok(false); |
| 90 | + } |
| 91 | + }, |
| 92 | + ServerMessage::Disconnect(..) => { |
| 93 | + println!("we got diconnected :("); |
| 94 | + return Ok(true); |
| 95 | + }, |
| 96 | + ServerMessage::Modellist(modellist) => { |
| 97 | + if modellist.start == 0 { |
| 98 | + client.map_crc = generate_crc(modellist.models[0].string.clone()) |
| 99 | + } |
| 100 | + } |
| 101 | + _ => {} |
| 102 | + } |
| 103 | + } |
| 104 | + } |
| 105 | + _ => {} |
| 106 | + } |
| 107 | + } |
| 108 | + } |
| 109 | +} |
| 110 | + |
| 111 | +fn main() { |
| 112 | + let args: Vec<String> = env::args().collect(); |
| 113 | + if args.len() != 2 { |
| 114 | + println!("need to supply a remote ip"); |
| 115 | + return |
| 116 | + } |
| 117 | + let remote_ip = &args[1]; |
| 118 | + match connect("0.0.0.0:0".to_string(), remote_ip.to_string()) { |
| 119 | + Ok(rv) => { |
| 120 | + if rv { |
| 121 | + println!("we got disconnected"); |
| 122 | + } else { |
| 123 | + println!("we were told to panic"); |
| 124 | + } |
| 125 | + } |
| 126 | + Err(err) => { |
| 127 | + eprintln!("could not connect to {}: {}", remote_ip, err); |
| 128 | + } |
| 129 | + } |
| 130 | +} |
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