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#![crate_id = "irc#0.1"]
#![crate_type = "lib"]
use std::io::net::tcp::TcpStream;
use std::io::IoResult;
use std::io::BufferedReader;
use std::io::IoError;
use msg::Message;
use msg::cmd;
pub mod msg;
pub struct IrcClient {
stream: TcpStream,
output_sender: Sender<Message>,
}
impl IrcClient {
pub fn connect(
host: &str, port: u16, nick: String, username: String, real_name: String) -> IoResult<IrcClient> {
let (send_writer, rec_writer) = channel();
let mut connection = IrcClient{
stream: try!(TcpStream::connect(host, port)),
output_sender: send_writer.clone(),
};
let writer = connection.stream.clone();
// spawn writer thread
spawn(proc() {
let mut writer = writer;
for msg in rec_writer.iter() {
(write!(writer, "{}\r\n", msg)).ok().expect("Unable to write to stream");
}
});
connection.send(Message::new(cmd::Nick(nick)));
connection.send(Message::new(cmd::User(username, 8, real_name)));
Ok(connection)
}
pub fn send(&mut self, message: Message) {
self.output_sender.send(message);
}
pub fn sender(&self) -> Sender<Message> {
self.output_sender.clone()
}
fn on_msg_rec(msg: &Message, sender: &Sender<Message>) {
let _prefix = &msg.prefix;
let cmd = &msg.command;
match *cmd {
cmd::Ping(ref s) => sender.send(Message::new(cmd::Pong(s.clone()))),
_ => { }
};
}
#[allow(experimental)]
pub fn run_loop(&mut self, on_msg: |&Message| -> ()) {
let reader = &mut self.stream;
loop {
fn reader_by_ref<'a, R: Reader>(reader: &'a mut R) -> std::io::RefReader<'a, R> { reader.by_ref() }
reader.set_read_timeout(Some(500));
let mut buf_reader = BufferedReader::new(reader_by_ref(reader));
let line = buf_reader.read_line();
match line {
Ok(line) => match from_str::<Message>(line.as_slice().trim_right()) {
Some(msg) => {
IrcClient::on_msg_rec(&msg, &self.output_sender);
on_msg(&msg);
},
None => println!("Invalid Message recieved"),
},
Err(IoError{kind: std::io::TimedOut, ..}) => continue,
Err(e) => {
println!("Unable to read line: {}", e);
break;
}
}
}
}
}
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