create_geyser_autoconnection_task allows caller-provided mpsc
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6c26802864
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@ -31,6 +31,17 @@ enum FatalErrorReason {
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SubscribeError,
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}
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pub fn create_geyser_autoconnection_task(
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grpc_source: GrpcSourceConfig,
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subscribe_filter: SubscribeRequest,
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) -> (AbortHandle, Receiver<Message>) {
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let (sender, receiver_channel) = tokio::sync::mpsc::channel::<Message>(1);
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let abort_handle = create_geyser_autoconnection_task_with_mpsc(grpc_source, subscribe_filter, sender);
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(abort_handle, receiver_channel)
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}
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/// connect to grpc source performing autoconect if required,
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/// returns mpsc channel; task will abort on fatal error
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///
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@ -38,12 +49,12 @@ enum FatalErrorReason {
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/// * no panic/unwrap
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/// * do not use "?"
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/// * do not "return" unless you really want to abort the task
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pub fn create_geyser_autoconnection_task(
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pub fn create_geyser_autoconnection_task_with_mpsc(
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grpc_source: GrpcSourceConfig,
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subscribe_filter: SubscribeRequest,
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) -> (AbortHandle, Receiver<Message>) {
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mpsc_sender: tokio::sync::mpsc::Sender<Message>,
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) -> AbortHandle {
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// read this for argument: http://www.randomhacks.net/2019/03/08/should-rust-channels-panic-on-send/
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let (sender, receiver_channel) = tokio::sync::mpsc::channel::<Message>(1);
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let jh_geyser_task = tokio::spawn(async move {
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let mut state = ConnectionState::NotConnected(0);
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@ -220,7 +231,7 @@ pub fn create_geyser_autoconnection_task(
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Duration::from_millis(500)
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};
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let started_at = Instant::now();
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match sender
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match mpsc_sender
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.send_timeout(
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Message::GeyserSubscribeUpdate(Box::new(update_message)),
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warning_threshold,
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@ -242,9 +253,9 @@ pub fn create_geyser_autoconnection_task(
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continue 'recv_loop;
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}
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Err(SendTimeoutError::Timeout(the_message)) => {
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warn!("downstream receiver did not pick put message for {}ms - keep waiting", warning_threshold.as_millis());
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warn!("downstream receiver did not pick up message for {}ms - keep waiting", warning_threshold.as_millis());
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match sender.send(the_message).await {
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match mpsc_sender.send(the_message).await {
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Ok(()) => {
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messages_forwarded += 1;
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trace!(
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@ -291,7 +302,7 @@ pub fn create_geyser_autoconnection_task(
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} // -- endless state loop
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});
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(jh_geyser_task.abort_handle(), receiver_channel)
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jh_geyser_task.abort_handle()
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}
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#[cfg(test)]
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