connection_pool/
tcp.rs

1use crate::{CleanupConfig, ConnectionManager, ConnectionPool, ManagedConnection};
2use std::{sync::Arc, time::Duration};
3use tokio::net::{TcpStream, ToSocketAddrs};
4
5/// Example implementation for TcpStream
6#[derive(Clone)]
7pub struct TcpConnectionManager<A: ToSocketAddrs + Send + Sync + Clone + 'static> {
8    pub address: A,
9}
10
11impl<A> ConnectionManager for TcpConnectionManager<A>
12where
13    A: ToSocketAddrs + Send + Sync + Clone + 'static,
14{
15    type Connection = TcpStream;
16    type Error = std::io::Error;
17    type CreateFut = std::pin::Pin<Box<dyn Future<Output = Result<TcpStream, Self::Error>> + Send>>;
18    type ValidFut<'a> = std::pin::Pin<Box<dyn Future<Output = bool> + Send + 'a>>;
19
20    fn create_connection(&self) -> Self::CreateFut {
21        let addr = self.address.clone();
22        Box::pin(async move { TcpStream::connect(addr).await })
23    }
24
25    fn is_valid<'a>(&'a self, stream: &'a mut Self::Connection) -> Self::ValidFut<'a> {
26        Box::pin(async move {
27            let interest = tokio::io::Interest::READABLE | tokio::io::Interest::WRITABLE;
28            if let Ok(r) = stream.ready(interest).await {
29                return r.is_readable() && r.is_writable();
30            }
31            false
32        })
33    }
34}
35
36/// Convenience type aliases for TCP connections
37pub type TcpConnectionPool<A = std::net::SocketAddr> = ConnectionPool<TcpConnectionManager<A>>;
38
39/// Managed TCP stream
40pub type TcpManagedConnection<A = std::net::SocketAddr> = ManagedConnection<TcpConnectionManager<A>>;
41
42impl<A> TcpConnectionPool<A>
43where
44    A: ToSocketAddrs + Send + Sync + Clone + 'static,
45{
46    /// Create a new TCP connection pool
47    pub fn new_tcp(
48        max_size: Option<usize>,
49        max_idle_time: Option<Duration>,
50        connection_timeout: Option<Duration>,
51        cleanup_config: Option<CleanupConfig>,
52        address: A,
53    ) -> Arc<Self> {
54        log::info!("Creating TCP connection pool");
55        let manager = TcpConnectionManager { address };
56        Self::new(max_size, max_idle_time, connection_timeout, cleanup_config, manager)
57    }
58}
connection_pool/tcp.rs

connection_pool/
tcp.rs
