31 lines
1.1 KiB
Rust
31 lines
1.1 KiB
Rust
use std::net::UdpSocket;
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use std::io::stdin;
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fn main() {
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let server_address: String = get_server_address();
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listen(server_address);
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}
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fn get_server_address() -> String {
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println!("Enter server address (format xxx.xxx.xxx.xxx:port)");
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let mut server_address = String::new();
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stdin().read_line(&mut server_address).expect("Reading the server address from input");
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server_address = String::from(server_address.trim());
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return server_address;
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}
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fn listen(server_address: String) {
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println!("listening on {}", server_address);
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loop {
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let mut message: String = String::new();
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let mut buf: [u8; 1024] = [0; 1024];
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let socket: UdpSocket = UdpSocket::bind(server_address.clone()).expect("Error while binding the socket.");
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let (num_bytes, src_addr) = socket.recv_from(&mut buf).expect("Error while receiving message");
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message.push_str(std::str::from_utf8(&buf[..num_bytes]).expect("Invalid UTF-8 data"));
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println!("{}:{}", src_addr.to_string(), message);
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if message.trim() == "!STOP" {
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return;
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}
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}
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} |