First version with separated clients and a server
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commit
5335b4c76b
4
.gitignore
vendored
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4
.gitignore
vendored
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/target
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**/*.rs.bk
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*.lock
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6
Cargo.toml
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6
Cargo.toml
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[package]
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name = "chat-reseau"
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version = "0.1.0"
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authors = ["Phuntsok Drak-pa <drakpa@drakpa.fr>"]
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[dependencies]
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177
src/main.rs
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177
src/main.rs
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use std::env;
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use std::net::{TcpListener, TcpStream};
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use std::thread;
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#[allow(unused_imports)]
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use std::io::{stdin, stdout, Read, Write};
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#[allow(unused_imports)]
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use std::sync::{Arc, Mutex};
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///////////////////////////////////////////////////////////////////////////////
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// //
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// Client //
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// //
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///////////////////////////////////////////////////////////////////////////////
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fn get_entry() -> String {
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let mut buf = String::new();
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stdin().read_line(&mut buf).unwrap();
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buf.replace("\n", "").replace("\r", "")
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}
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fn exchange_with_server(mut stream: TcpStream) {
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let stdout = std::io::stdout();
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let mut io = stdout.lock();
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let buf = &mut [0; 3];
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println!("Enter `quit` when you want to leave");
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loop {
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write!(io, "> ").unwrap();
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io.flush().unwrap();
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match &*get_entry() {
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"quit" => {
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println!("bye!");
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return;
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}
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"exit" => {
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println!("bye!");
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return;
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}
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line => {
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write!(stream, "{}\n", line).unwrap();
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match stream.read(buf) {
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Ok(received) => {
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if received < 1 {
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println!("Perte de la connexion avec le serveur");
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return;
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}
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}
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Err(_) => {
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println!("Perte de la connexion avec le serveur");
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return;
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}
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}
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// println!("Réponse du serveur : {:?}", buf);
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let reponse = String::from_utf8(buf.to_vec()).unwrap();
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println!("Réponse du serveur : {}", reponse);
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}
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}
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}
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}
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fn client(server_address: String) {
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println!("Tentative de connexion a serveur...");
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match TcpStream::connect(server_address) {
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Ok(stream) => {
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println!("Connexion au serveur réussie !");
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exchange_with_server(stream);
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}
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Err(e) => {
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println!("La connection au serveur a échoué : {}", e);
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}
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}
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}
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///////////////////////////////////////////////////////////////////////////////
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// //
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// Server //
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// //
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///////////////////////////////////////////////////////////////////////////////
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fn handle_client(mut stream: &TcpStream, adresse: &str) {
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let mut msg: Vec<u8> = Vec::new();
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loop {
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let buf = &mut [0; 10];
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match stream.read(buf) {
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Ok(received) => {
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// si on a reçu 0 octet, ça veut dire que le client s'est déconnecté
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if received < 1 {
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println!("Client disconnected {}", adresse);
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return;
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}
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let mut x = 0;
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for c in buf {
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// si on a dépassé le nombre d'octets reçus, inutile de continuer
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if x >= received {
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break;
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}
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x += 1;
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if *c == '\n' as u8 {
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println!(
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"message reçu {} : {}",
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adresse,
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// on convertit maintenant notre buffer en String
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String::from_utf8(msg).unwrap()
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);
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stream.write(b"ok\n").unwrap();
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msg = Vec::new();
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} else {
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msg.push(*c);
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}
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}
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}
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Err(_) => {
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println!("Client disconnected {}", adresse);
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return;
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}
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}
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}
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}
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fn serveur(port: String) {
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println!("Port: {}", port);
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let mut serv = String::from("127.0.0.1:");
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serv.push_str(&port);
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let listener = TcpListener::bind(serv.to_string()).unwrap();
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println!("En attente d’un client...");
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// Multi-client ///////////////////////////////////////////////////////////
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for stream in listener.incoming() {
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match stream {
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Ok(stream) => {
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let adresse = match stream.peer_addr() {
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Ok(addr) => format!("[adresse : {}]", addr),
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Err(_) => "inconnue".to_owned(),
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};
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println!("Nouveau client {}", adresse);
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thread::spawn(move || handle_client(&stream, &*adresse));
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}
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Err(e) => {
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println!("La connexion du client a échoué : {}", e);
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}
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}
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println!("En attente d’un autre client...");
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}
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}
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fn main() {
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let args: Vec<String> = env::args().collect();
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if args.len() == 2 {
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///////////////////////////////////////////////////////////////////////
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// Server opened //
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///////////////////////////////////////////////////////////////////////
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println!("Opening server on port {}", args[1]);
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serveur(args[1].clone());
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} else if args.len() == 3 {
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///////////////////////////////////////////////////////////////////////
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// Client opened //
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///////////////////////////////////////////////////////////////////////
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println!("Client connecting on server {}:{}", args[1], args[2]);
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let mut serv = if args[1] == String::from("localhost") {
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String::from("127.0.0.1")
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} else {
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args[1].clone()
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};
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serv.push(':');
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serv.push_str(&args[2]);
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client(serv);
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} else {
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println!("Usage: {} [server ip] port", args[0]);
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}
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}
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