xmpp-rs/src/plugins/ping.rs
Emmanuel Gil Peyrot 40d01a729f add a ping plugin
This is a demo of the simplest iq-based protocol.  When an iq is
received containing a payload qualified by this namespace, an empty
result iq is sent.
2017-04-01 14:32:19 +01:00

65 lines
1.8 KiB
Rust

use plugin::{Plugin, PluginReturn, PluginProxy};
use event::Event;
use minidom::Element;
use error::Error;
use jid::Jid;
use ns;
#[derive(Debug)]
pub struct PingEvent {
pub from: Jid,
pub to: Jid,
pub id: String,
}
impl Event for PingEvent {}
pub struct PingPlugin {
proxy: PluginProxy,
}
impl PingPlugin {
pub fn new() -> PingPlugin {
PingPlugin {
proxy: PluginProxy::new(),
}
}
pub fn send_ping(&self, to: &Jid) -> Result<(), Error> {
let mut elem = Element::builder("iq")
.attr("type", "get")
.attr("to", to.to_string())
.build();
elem.append_child(Element::builder("ping").ns(ns::PING).build());
self.proxy.send(elem);
Ok(())
}
pub fn reply_ping(&self, event: &PingEvent) {
let reply = Element::builder("iq")
.attr("type", "result")
.attr("to", event.from.to_string())
.attr("id", event.id.to_string())
.build();
self.proxy.send(reply);
}
}
impl Plugin for PingPlugin {
fn get_proxy(&mut self) -> &mut PluginProxy {
&mut self.proxy
}
fn handle(&mut self, elem: &Element) -> PluginReturn {
if elem.is("iq", ns::CLIENT) && elem.attr("type") == Some("get") {
if elem.has_child("ping", ns::PING) {
self.proxy.dispatch(PingEvent { // TODO: safety!!!
from: elem.attr("from").unwrap().parse().unwrap(),
to: elem.attr("to").unwrap().parse().unwrap(),
id: elem.attr("id").unwrap().parse().unwrap(),
});
}
}
PluginReturn::Continue
}
}