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|
use crate::{
codec::Codec,
context::Context,
event::{
Event,
listener::{Listener, ListenerResult},
},
};
pub struct EventHandler<Packet, Data = (), Uid = u64>
where
Uid: PartialEq,
Packet: Codec<Data>,
{
listeners: Vec<Box<dyn Listener<Packet, Data, Uid>>>,
}
impl<Packet, Data, Uid> EventHandler<Packet, Data, Uid>
where
Uid: PartialEq + Clone,
Packet: Codec<Data>,
{
pub fn register<L: Listener<Packet, Data, Uid> + 'static>(&mut self, listener: L) {
self.listeners.push(Box::new(listener));
}
pub fn dispatch(&self, event: &Event<Packet, Uid>, ctx: &Context<Data>) {
match event.kind() {
super::EventKind::Connection(connection_event) => {
for listener in &self.listeners {
if matches!(
listener.on_connection(connection_event, ctx),
ListenerResult::Cancel | ListenerResult::Disconnect
) {
event.cancel();
break;
}
}
}
super::EventKind::PacketReceived(packet_received_event) => {
for listener in &self.listeners {
if matches!(
listener.on_packet_received(packet_received_event, ctx),
ListenerResult::Cancel | ListenerResult::Disconnect
) {
event.cancel();
break;
}
}
}
super::EventKind::PacketSent(packet_sent_event) => {
for listener in &self.listeners {
if matches!(
listener.on_packet_sent(packet_sent_event, ctx),
ListenerResult::Cancel | ListenerResult::Disconnect
) {
event.cancel();
break;
}
}
}
super::EventKind::Disconnect(disconnect_event) => {
for listener in &self.listeners {
listener.on_disconnect(disconnect_event, ctx);
}
}
}
}
}
|
