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48 lines
1.6 KiB
Rust
48 lines
1.6 KiB
Rust
use crate::error::Result;
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use crate::events::event::Event;
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use crate::events::event_handler::EventHandler;
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use crate::ipc::context::Context;
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use crate::ipc::stream_emitter::StreamEmitter;
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use std::sync::Arc;
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use tokio::net::{TcpListener, TcpStream};
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/// The IPC Server listening for connections.
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/// Use the [IPCBuilder](crate::builder::IPCBuilder) to create a server.
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/// Usually one does not need to use the IPCServer object directly.
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pub struct IPCServer {
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pub(crate) handler: EventHandler,
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}
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impl IPCServer {
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/// Starts the IPC Server.
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/// Invoked by [IPCBuilder::build_server](crate::builder::IPCBuilder::build_server)
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pub async fn start(self, address: &str) -> Result<()> {
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let listener = TcpListener::bind(address).await?;
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let handler = Arc::new(self.handler);
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while let Ok((stream, _)) = listener.accept().await {
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let handler = handler.clone();
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tokio::spawn(async {
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Self::handle_connection(handler, stream).await;
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});
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}
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Ok(())
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}
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/// Handles a single tcp connection
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async fn handle_connection(handler: Arc<EventHandler>, stream: TcpStream) {
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let (mut read_half, write_half) = stream.into_split();
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let emitter = StreamEmitter::new(write_half);
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let ctx = Context::new(StreamEmitter::clone(&emitter));
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while let Ok(event) = Event::from_async_read(&mut read_half).await {
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if let Err(e) = handler.handle_event(&ctx, event).await {
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log::error!("Failed to handle event: {:?}", e);
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}
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}
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log::debug!("Connection closed.");
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}
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}
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