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use crate::{
connectivity_manager::{ConnectivityManager, ConnectivityRequest},
counters,
peer_manager::{conn_notifs_channel, ConnectionRequestSender},
};
use diem_config::{config::PeerSet, network_id::NetworkContext};
use diem_infallible::RwLock;
use diem_time_service::TimeService;
use std::{sync::Arc, time::Duration};
use tokio::runtime::Handle;
use tokio_retry::strategy::ExponentialBackoff;
pub type ConnectivityManagerService = ConnectivityManager<ExponentialBackoff>;
pub struct ConnectivityManagerBuilder {
connectivity_manager: Option<ConnectivityManagerService>,
conn_mgr_reqs_tx: channel::Sender<ConnectivityRequest>,
}
impl ConnectivityManagerBuilder {
pub fn create(
network_context: Arc<NetworkContext>,
time_service: TimeService,
eligible: Arc<RwLock<PeerSet>>,
seeds: PeerSet,
connectivity_check_interval_ms: u64,
backoff_base: u64,
max_connection_delay_ms: u64,
channel_size: usize,
connection_reqs_tx: ConnectionRequestSender,
connection_notifs_rx: conn_notifs_channel::Receiver,
outbound_connection_limit: Option<usize>,
mutual_authentication: bool,
) -> Self {
let (conn_mgr_reqs_tx, conn_mgr_reqs_rx) = channel::new(
channel_size,
&counters::PENDING_CONNECTIVITY_MANAGER_REQUESTS,
);
Self {
conn_mgr_reqs_tx,
connectivity_manager: Some(ConnectivityManager::new(
network_context,
time_service,
eligible,
seeds,
connection_reqs_tx,
connection_notifs_rx,
conn_mgr_reqs_rx,
Duration::from_millis(connectivity_check_interval_ms),
ExponentialBackoff::from_millis(backoff_base).factor(1000),
Duration::from_millis(max_connection_delay_ms),
outbound_connection_limit,
mutual_authentication,
)),
}
}
pub fn conn_mgr_reqs_tx(&self) -> channel::Sender<ConnectivityRequest> {
self.conn_mgr_reqs_tx.clone()
}
pub fn start(&mut self, executor: &Handle) {
let conn_mgr = self
.connectivity_manager
.take()
.expect("Service Must be present");
executor.spawn(conn_mgr.start());
}
}