159 lines
5.1 KiB
Rust
159 lines
5.1 KiB
Rust
use eyre::Result;
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use async_trait::async_trait;
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use tokio::task::spawn_local;
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use std::time::Instant;
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use std::sync::Arc;
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use tokio::sync::oneshot;
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use tokio::sync::mpsc;
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use crate::event::EventRaw;
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use crate::event::{EventKind,Event,EventResponse,InternalEvent};
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use crate::endpoint::Endpoint;
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use crate::irc_endpoint::IrcEndpoint;
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pub struct EndpointReceiverPair {
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endpoint: Arc<dyn Endpoint>,
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receiver: Option<mpsc::Receiver<Event>>,
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}
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pub struct RircdState {
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endpoints: Vec<EndpointReceiverPair>,
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//to determine program runtime
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creation_timestamp: Option<Instant>,
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plainlog: Option<()>,
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sqlite_log: Option<()>,
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postgres_log: Option<()>,
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}
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impl RircdState {
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pub fn new() -> Result<Self> {
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//TODO remove (for testing)
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let ep_pairs: Vec<EndpointReceiverPair> = vec![
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EndpointReceiverPair {
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endpoint: Arc::new(IrcEndpoint {} ),
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receiver: None,
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},
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];
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//TODO impl
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Ok(RircdState {
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endpoints: ep_pairs,
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creation_timestamp: Some(Instant::now()),
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plainlog: None,
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sqlite_log: None,
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postgres_log: None,
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})
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}
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//TODO impl
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pub fn from_config(config: String) -> Result<Self> {
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Self::new()
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}
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pub async fn broadcast_event(self: &Arc<Self>, event: EventRaw) -> Result<()> {
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//TODO impl V
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//let couldnt_send_to = Vec::new();
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//buffer that holds names/ids of the endpoints
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//where the event couldn't be send to +Reason<>
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let mut endpoint_responses: Vec<mpsc::Receiver<EventResponse>>= Vec::new();
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//self.endpoints.iter().filter(|ep| ep.is_active())
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// .then(|ep| ep.
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Ok(())
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}
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pub async fn run(mut self) -> Result<()> {
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//TODO choose good default/custom chan size
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let (event_sender,mut event_receiver) = mpsc::channel::<Event>(64);
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//try to start each endpoint
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self.endpoints.iter().filter(|ep| ep.endpoint.is_active()).for_each(|endpoint| {
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let endpoint_name = endpoint.endpoint.name();
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let (success_status_send,success_status_recv) = oneshot::channel::<Result<mpsc::Sender<Event>>>();
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tokio::spawn(endpoint.endpoint.clone().listen(success_status_send, event_sender.to_owned()));
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//TODO color err msg
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//TODO paralelize and sync at the end
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futures::executor::block_on(async move {
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println!("starting {} | {}", endpoint_name,
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match success_status_recv.await {
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Ok(_) => {
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let self = self;
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format!("SUCCEEDED |")
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},
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Err(e) => format!("FAILED | <{}>", e),
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});
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});
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});
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//TODO Err() if not at least one Endpoint is running because
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//if none is running there is no way to activate further (user locked out)
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//> who needs a daemon that does nothing and where nothing can be configured to be done
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//////////////////////////////////////////////
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//
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// T O D O
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//
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// Add a mechanism to on received
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// Event::Message's to only send
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// them to ALL other endpoints
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// except to that where it originated
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// from TO PREVENT ECHOING
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//
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// Eg over a .send_from field
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// eg:
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//
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// match event.kind {
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// Message(msg) => {
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// for ep_rc in endpoints_receivers {
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// if ep_rc != msg.from {
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// ep_rc.send(msg)
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// }
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// }
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// },
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// }
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//
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// ^^^ FOR THIS maybe having a wrapper around (R) from
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// the endpoint_receivers[R] is required. That contains
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// a ref to the endpoint or sth ... idk
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//
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//////////////////////////////////////////////
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loop {
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println!("received event");
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tokio::select! {
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event = event_receiver.recv() => {
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//TODO don't unwrap() I guess
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let event = event.unwrap();
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//EVENT MATCHING
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match event.kind {
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//INTERNAL
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EventKind::Internal(ev) => {
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match ev {
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InternalEvent::Shutdown => {
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//TODO shutdown all endpoints
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break;
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},
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_ => {},
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}
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assert!( event.result_sender.send(EventResponse::Success).is_ok());
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},
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//EXTERNAL
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EventKind::Message => {
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},
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};
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},
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};
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}
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Ok(())
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}
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}
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