91 lines
2.4 KiB
Rust
91 lines
2.4 KiB
Rust
use std::convert::TryFrom;
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use plugin::PluginProxy;
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use event::{Event, Priority, Propagation};
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use error::Error;
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use jid::Jid;
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use plugins::stanza::Iq;
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use plugins::disco::DiscoPlugin;
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use xmpp_parsers::iq::{IqType, IqPayload};
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use xmpp_parsers::ping::Ping;
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use xmpp_parsers::ns;
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#[derive(Debug)]
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pub struct PingEvent {
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pub from: Jid,
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pub id: String,
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}
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impl Event for PingEvent {}
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pub struct PingPlugin {
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proxy: PluginProxy,
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}
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impl PingPlugin {
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pub fn new() -> PingPlugin {
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PingPlugin {
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proxy: PluginProxy::new(),
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}
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}
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// TODO: make that called automatically after plugins are created.
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pub fn init(&self) {
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if let Some(disco) = self.proxy.plugin::<DiscoPlugin>() {
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disco.add_feature(ns::PING);
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} else {
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panic!("Please handle dependencies in the correct order.");
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}
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}
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// TODO: make that called automatically before removal.
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pub fn deinit(&self) {
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if let Some(disco) = self.proxy.plugin::<DiscoPlugin>() {
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disco.remove_feature(ns::PING);
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} else {
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panic!("Please handle dependencies in the correct order.");
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}
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}
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pub fn send_ping(&self, to: &Jid) -> Result<(), Error> {
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let to = to.clone();
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self.proxy.send(Iq {
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from: None,
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to: Some(to),
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id: Some(self.proxy.gen_id()),
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payload: IqType::Get(IqPayload::Ping(Ping).into()),
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}.into());
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Ok(())
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}
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fn handle_iq(&self, iq: &Iq) -> Propagation {
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let iq = iq.clone();
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if let IqType::Get(payload) = iq.payload {
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// TODO: use an intermediate plugin to parse this payload.
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if let Ok(IqPayload::Ping(_)) = IqPayload::try_from(payload) {
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self.proxy.dispatch(PingEvent { // TODO: safety!!!
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from: iq.from.unwrap(),
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id: iq.id.unwrap(),
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});
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return Propagation::Stop;
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}
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}
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Propagation::Continue
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}
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fn reply_ping(&self, ping: &PingEvent) -> Propagation {
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self.proxy.send(Iq {
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from: None,
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to: Some(ping.from.to_owned()),
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id: Some(ping.id.to_owned()),
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payload: IqType::Result(None),
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}.into());
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Propagation::Continue
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}
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}
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impl_plugin!(PingPlugin, proxy, [
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(Iq, Priority::Default) => handle_iq,
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(PingEvent, Priority::Default) => reply_ping,
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]);
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