diff --git a/services/tunnelbroker/src/amqp.rs b/services/tunnelbroker/src/amqp.rs --- a/services/tunnelbroker/src/amqp.rs +++ b/services/tunnelbroker/src/amqp.rs @@ -1,8 +1,10 @@ use comm_lib::database::batch_operations::ExponentialBackoffConfig; use lapin::{uri::AMQPUri, ConnectionProperties}; use once_cell::sync::Lazy; +use std::sync::Arc; use std::time::Duration; -use tracing::info; +use tokio::sync::RwLock; +use tracing::{debug, error, info}; use crate::constants::error_types; use crate::CONFIG; @@ -69,6 +71,50 @@ conn } +/// Inner connection that is a direct wrapper over [`lapin::Connection`] +/// This should be instantiated only once to establish connection +/// New instances can be created to reconnect +struct ConnectionInner { + conn: lapin::Connection, +} + +impl ConnectionInner { + async fn new() -> Result { + let conn = create_connection().await?; + conn.on_error(|err| { + // TODO: we should filter out some IOErrors here to avoid spamming alerts + error!(errorType = error_types::AMQP_ERROR, "Lapin error: {err:?}"); + }); + + Ok(Self { conn }) + } + + fn is_connected(&self) -> bool { + self.conn.status().connected() + } +} + +/// Thread safe connection wrapper that is `Clone + Send + Sync` +/// and can be shared wherever needed. +#[derive(Clone)] +pub struct AmqpConnection { + inner: Arc>, +} + +impl AmqpConnection { + pub async fn connect() -> Result { + let conn = ConnectionInner::new().await?; + let inner = Arc::new(RwLock::new(conn)); + info!("Connected to AMQP endpoint: {}", &CONFIG.amqp_uri); + + Ok(Self { inner }) + } + + async fn is_connected(&self) -> bool { + self.inner.read().await.is_connected() + } +} + fn from_env(var_name: &str) -> Option { std::env::var(var_name).ok().filter(|s| !s.is_empty()) }