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|
use std::io::{
BufferedReader,
TcpStream,
IoError
};
use std::ascii::StrAsciiExt;
use std::comm;
use std::comm::{ Sender, Receiver };
use std::collections::HashMap;
use std::str::UnicodeStrSlice;
use events::*;
use ident::Ident;
fn parse_msg(v: Vec<&str>, from: uint) -> String {
let mut msg = if v[from].chars().next().unwrap() == ':' {
v[from][1..].into_string()
} else { v[from].into_string() };
for m in v.iter().skip(from + 1) {
msg.push_str(" ");
msg.push_str(m.trim_right());
}
msg
}
#[deriving(Show, PartialEq, Eq, Clone)]
pub enum Failure {
NotConnected,
Io(IoError)
}
pub struct Context<'a> {
prefix: &'a str,
command: &'a str,
parts: [&'a str]
}
pub struct Server<'a> {
host: String,
port: u16,
stream: Option<TcpStream>,
event_sender: Option<Sender<Event>>,
event_types: HashMap<String, &'a Fn<Context<'a>, Event> + 'a>
}
impl<'a> Server<'a> {
pub fn new(host: String, port: u16) -> Server<'a> {
Server {
host: host,
port: port,
stream: None,
event_sender: None,
event_types: HashMap::new()
}
}
pub fn events(&mut self) -> Receiver<Event> {
let (tx, rx) = comm::channel();
self.events = Some(tx);
rx
}
fn fire_event(&mut self, event: Event) {
self.events.as_ref().map(|s| s.send(event.clone()));
}
pub fn connect(&mut self) -> Result<(), Failure> {
self.stream = match TcpStream::connect(self.host.as_slice(), self.port) {
Ok(tcp) => Some(tcp),
Err(e) => return Err(Io(e))
};
let mut s = self.clone();
spawn(proc() {
s.listen();
});
Ok(())
}
#[inline]
fn sendraw(&mut self, s: &str, newline: bool) -> Result<(), Failure> {
println!("{}", s);
if self.stream.is_some() {
let mut st = self.stream.clone().unwrap();
match st.write_str(s) {
Ok(_) => match st.flush() {
Ok(_) if newline => match st.write_str("\r\n") {
Ok(_) => Ok(()),
Err(e) => return Err(Io(e))
},
Ok(_) => Ok(()),
Err(e) => return Err(Io(e))
},
Err(e) => return Err(Io(e))
}
} else {
Err(NotConnected)
}
}
pub fn join(&mut self, channel: &str) -> Result<(), Failure> {
self.sendraw(format!("JOIN {}", channel).as_slice(), true)
}
pub fn nick(&mut self, nick: &str) -> Result<(), Failure> {
self.sendraw(format!("NICK {}", nick).as_slice(), true)
}
pub fn user(&mut self, username: &str, hostname: &str, servername: &str, realname: &str) -> Result<(), Failure> {
self.sendraw(format!("USER {} {} {} :{}", username, hostname, servername, realname).as_slice(), true)
}
pub fn password(&mut self, password: &str) -> Result<(), Failure> {
self.sendraw(format!("PASS {}", password).as_slice(), true)
}
pub fn msg(&mut self, target: &str, message: &str) -> Result<(), Failure> {
self.sendraw(format!("PRIVMSG {} :{}", target, message).as_slice(), true)
}
fn listen(&mut self) {
let stream = match self.stream {
Some(ref s) => s.clone(),
None => return
};
let mut reader = BufferedReader::new(stream);
loop {
let line = reader.read_line().unwrap();
let mut parts = line.as_slice().split(' ').collect::<Vec<&str>>();
println!("{}", parts);
if parts.len() == 0 {
continue;
}
// if message has a prefix
let prefix = if parts[0].chars().next().unwrap() == ':' {
parts.remove(0).unwrap()
} else { "" };
let cmd = parts.remove(0).unwrap();
let context = Context { prefix: prefix, cmd: cmd, parts: parts };
self.events.entry(cmd).call(&context);
/*match parts[0].to_ascii_upper().as_slice() {
"001" => {
self.fire_event(RplWelcome(box Welcome {
source: prefix.into_string(),
target: parts[1].into_string(),
msg: parse_msg(parts, 2)
}))
},
"PING" => {
let _ = self.sendraw(format!("PONG {}", parts.get(1)).as_slice(), true);
continue;
}
"PRIVMSG" => {
let from = Ident::parse(prefix).unwrap();
let to = parts[1];
let msg = parse_msg(parts, 2);
self.fire_event(PrivMsg(from, to.into_string(), msg))
},
_ => ()
}*/
}
}
}
|