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use super::handle_connection;
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use crate::error::Result;
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use crate::events::event_handler::EventHandler;
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use crate::ipc::context::{Context, ReplyListeners};
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use crate::ipc::stream_emitter::StreamEmitter;
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use crate::namespaces::namespace::Namespace;
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use crate::protocol::{AsyncProtocolStreamSplit, AsyncStreamProtocolListener};
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use std::collections::HashMap;
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use std::sync::Arc;
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use std::time::Duration;
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use tokio::sync::RwLock;
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use typemap_rev::TypeMap;
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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<L: AsyncStreamProtocolListener> {
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pub(crate) handler: EventHandler<L::Stream>,
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pub(crate) namespaces: HashMap<String, Namespace<L::Stream>>,
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pub(crate) data: TypeMap,
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pub(crate) timeout: Duration,
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}
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impl<L> IPCServer<L>
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where
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L: AsyncStreamProtocolListener,
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{
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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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#[tracing::instrument(skip(self))]
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pub async fn start(self, address: L::AddressType) -> Result<()> {
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let listener = L::protocol_bind(address.clone()).await?;
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let handler = Arc::new(self.handler);
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let namespaces = Arc::new(self.namespaces);
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let data = Arc::new(RwLock::new(self.data));
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tracing::info!("address = {:?}", address);
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while let Ok((stream, remote_address)) = listener.protocol_accept().await {
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tracing::debug!("remote_address = {:?}", remote_address);
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let handler = Arc::clone(&handler);
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let namespaces = Arc::clone(&namespaces);
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let data = Arc::clone(&data);
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let timeout = self.timeout.clone();
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tokio::spawn(async move {
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let (read_half, write_half) = stream.protocol_into_split();
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let emitter = StreamEmitter::new(write_half);
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let reply_listeners = ReplyListeners::default();
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let ctx = Context::new(
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StreamEmitter::clone(&emitter),
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data,
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None,
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reply_listeners,
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timeout.into(),
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);
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handle_connection(namespaces, handler, read_half, ctx).await;
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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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