117 lines
2.9 KiB
Rust
117 lines
2.9 KiB
Rust
use crate::lib::server::Client;
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use std::net::TcpListener;
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use std::sync::Arc;
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use std::io::BufReader;
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use std::io::BufWriter;
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use std::io::Write;
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use std::io::BufRead;
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use serde::{Deserialize, Serialize};
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use crossbeam_channel::Sender;
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use crate::lib::server::ServerMessages;
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use crate::lib::foundation::ICooperative;
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use crate::lib::server::client_management::client::traits::IClient;
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/// # NetworkSockIn
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/// these messages can be sent by a client on connecting
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#[derive(Serialize, Deserialize)]
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enum NetworkSockIn {
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Info,
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Connect {uuid: String, username: String, address: String},
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}
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/// # NetworkSockOut
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/// these messages are sent by the network manager on connecting and requesting
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#[derive(Serialize, Deserialize)]
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enum NetworkSockOut<'a> {
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Request,
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GotInfo {server_name: &'a str, server_owner: &'a str}
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}
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// these are control signals from the server.
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// pub enum NetworkMessages {
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// }
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pub struct NetworkManager {
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listener: TcpListener,
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server_channel: Sender<ServerMessages>,
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}
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impl NetworkManager {
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pub fn new(
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port: String,
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server_channel: Sender<ServerMessages>
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) -> Arc<NetworkManager> {
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let mut address = "0.0.0.0:".to_string();
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address.push_str(&port);
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let listener = TcpListener::bind(address)
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.expect("Could not bind to address");
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Arc::new(NetworkManager {
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listener,
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server_channel,
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})
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}
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}
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impl ICooperative for NetworkManager {
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fn tick(&self) {
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// get all new connections
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// handle each request
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for connection in self.listener.incoming() {
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if let Ok(stream) = connection {
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// create buffered writers
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let mut reader = BufReader::new(stream.try_clone().unwrap());
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let mut writer = BufWriter::new(stream.try_clone().unwrap());
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let mut buffer = String::new();
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// request is always sent on new connection
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writer.write_all(
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serde_json::to_string(&NetworkSockOut::Request).unwrap().as_bytes()
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).unwrap_or_default();
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writer.write_all(b"\n").unwrap_or_default();
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writer.flush().unwrap_or_default();
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// read the new request into a buffer
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let res = reader.read_line(&mut buffer);
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if res.is_err() {continue;}
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// turn into enum for pattern matching
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if let Ok(request) = serde_json::from_str::<NetworkSockIn>(&buffer) {
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// perform action based on the enum
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match request {
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NetworkSockIn::Info => {
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writer.write_all(
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serde_json::to_string(
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&NetworkSockOut::GotInfo {
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server_name: "oof",
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server_owner: "michael"
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}
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).unwrap().as_bytes()
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).unwrap();
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writer.flush().unwrap();
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}
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NetworkSockIn::Connect { uuid, username, address } => {
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let new_client = Client::new(
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uuid,
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username,
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address,
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stream.try_clone().unwrap(),
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self.server_channel.clone()
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);
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self.server_channel.send(
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ServerMessages::ClientConnected(new_client)
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).unwrap_or_default();
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}
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}
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}
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}
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}
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}
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} |