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#![doc(html_root_url="https://docs.rs/r2d2_postgres/0.14")]
#![warn(missing_docs)]
pub extern crate r2d2;
pub extern crate postgres;
extern crate postgres_shared;
use postgres::{Connection, Error, Result};
use postgres::params::{ConnectParams, IntoConnectParams};
use postgres::tls::TlsHandshake;
#[derive(Debug)]
pub enum TlsMode {
None,
Prefer(Box<TlsHandshake + Sync + Send>),
Require(Box<TlsHandshake + Sync + Send>),
}
#[derive(Debug)]
pub struct PostgresConnectionManager {
params: ConnectParams,
ssl_mode: TlsMode,
}
impl PostgresConnectionManager {
pub fn new<T>(params: T,
ssl_mode: TlsMode)
-> Result<PostgresConnectionManager>
where T: IntoConnectParams
{
let params = params.into_connect_params().map_err(postgres_shared::error::connect)?;
Ok(PostgresConnectionManager {
params: params,
ssl_mode: ssl_mode,
})
}
}
impl r2d2::ManageConnection for PostgresConnectionManager {
type Connection = Connection;
type Error = Error;
fn connect(&self) -> Result<postgres::Connection> {
let mode = match self.ssl_mode {
TlsMode::None => postgres::TlsMode::None,
TlsMode::Prefer(ref n) => postgres::TlsMode::Prefer(&**n),
TlsMode::Require(ref n) => postgres::TlsMode::Require(&**n),
};
postgres::Connection::connect(self.params.clone(), mode)
}
fn is_valid(&self, conn: &mut Connection) -> Result<()> {
conn.batch_execute("")
}
fn has_broken(&self, conn: &mut Connection) -> bool {
conn.is_desynchronized()
}
}