Line data    Source code

       1              : use std::net::IpAddr;
       2              : 
       3              : use tokio::net::TcpStream;
       4              : use tokio::sync::mpsc;
       5              : 
       6              : use crate::client::SocketConfig;
       7              : use crate::config::Host;
       8              : use crate::connect_raw::connect_raw;
       9              : use crate::connect_socket::connect_socket;
      10              : use crate::connect_tls::connect_tls;
      11              : use crate::tls::{MakeTlsConnect, TlsConnect};
      12              : use crate::{Client, Config, Connection, Error, RawConnection};
      13              : 
      14            0 : pub async fn connect<T>(
      15            0 :     tls: &T,
      16            0 :     config: &Config,
      17            0 : ) -> Result<(Client, Connection<TcpStream, T::Stream>), Error>
      18            0 : where
      19            0 :     T: MakeTlsConnect<TcpStream>,
      20            0 : {
      21            0 :     let hostname = match &config.host {
      22            0 :         Host::Tcp(host) => host.as_str(),
      23              :     };
      24              : 
      25            0 :     let tls = tls
      26            0 :         .make_tls_connect(hostname)
      27            0 :         .map_err(|e| Error::tls(e.into()))?;
      28              : 
      29            0 :     match connect_once(config.host_addr, &config.host, config.port, tls, config).await {
      30            0 :         Ok((client, connection)) => Ok((client, connection)),
      31            0 :         Err(e) => Err(e),
      32              :     }
      33            0 : }
      34              : 
      35            0 : async fn connect_once<T>(
      36            0 :     host_addr: Option<IpAddr>,
      37            0 :     host: &Host,
      38            0 :     port: u16,
      39            0 :     tls: T,
      40            0 :     config: &Config,
      41            0 : ) -> Result<(Client, Connection<TcpStream, T::Stream>), Error>
      42            0 : where
      43            0 :     T: TlsConnect<TcpStream>,
      44            0 : {
      45            0 :     let socket = connect_socket(host_addr, host, port, config.connect_timeout).await?;
      46            0 :     let stream = connect_tls(socket, config.ssl_mode, tls).await?;
      47              :     let RawConnection {
      48            0 :         stream,
      49              :         parameters: _,
      50              :         delayed_notice: _,
      51            0 :         process_id,
      52            0 :         secret_key,
      53            0 :     } = connect_raw(stream, config).await?;
      54              : 
      55            0 :     let socket_config = SocketConfig {
      56            0 :         host_addr,
      57            0 :         host: host.clone(),
      58            0 :         port,
      59            0 :         connect_timeout: config.connect_timeout,
      60            0 :     };
      61              : 
      62            0 :     let (client_tx, conn_rx) = mpsc::unbounded_channel();
      63            0 :     let (conn_tx, client_rx) = mpsc::channel(4);
      64            0 :     let client = Client::new(
      65            0 :         client_tx,
      66            0 :         client_rx,
      67            0 :         socket_config,
      68            0 :         config.ssl_mode,
      69            0 :         process_id,
      70            0 :         secret_key,
      71              :     );
      72              : 
      73            0 :     let connection = Connection::new(stream, conn_tx, conn_rx);
      74              : 
      75            0 :     Ok((client, connection))
      76            0 : }