Parakeet is a Rust-based Bluesky AppServer aiming to implement most of the functionality required to support the Bluesky client
appview atproto bluesky rust appserver

start on the relay consumer and indexer

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consumer/src/indexer/mod.rs
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··· 1 + use crate::firehose::{AtpAccountEvent, AtpCommitEvent, AtpIdentityEvent, FirehoseEvent}; 2 + use tokio::sync::mpsc::Receiver; 3 + 4 + pub async fn relay_indexer(mut rx: Receiver<FirehoseEvent>) -> eyre::Result<()> { 5 + while let Some(event) = rx.recv().await { 6 + let res = match event { 7 + FirehoseEvent::Identity(identity) => index_identity(identity).await, 8 + FirehoseEvent::Account(account) => index_account(account).await, 9 + FirehoseEvent::Commit(commit) => index_commit(commit).await, 10 + FirehoseEvent::Label(_) => { 11 + // We handle all labels through direct connections to labelers 12 + tracing::warn!("got #labels from the relay"); 13 + Ok(()) 14 + } 15 + }; 16 + 17 + if let Err(e) = res { 18 + tracing::error!("Indexing error: {e}"); 19 + } 20 + } 21 + 22 + Ok(()) 23 + } 24 + 25 + async fn index_identity(identity: AtpIdentityEvent) -> eyre::Result<()> { 26 + Ok(()) 27 + } 28 + 29 + async fn index_account(account: AtpAccountEvent) -> eyre::Result<()> { 30 + Ok(()) 31 + } 32 + 33 + async fn index_commit(commit: AtpCommitEvent) -> eyre::Result<()> { 34 + Ok(()) 35 + }
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consumer/src/main.rs
··· 1 mod config; 2 mod firehose; 3 4 #[tokio::main] 5 - async fn main() -> eyre::Result<()> { 6 tracing_subscriber::fmt::init(); 7 8 let conf = config::load_config()?; 9 10 Ok(()) 11 }
··· 1 + use tokio::sync::mpsc::Sender; 2 + 3 mod config; 4 mod firehose; 5 + mod indexer; 6 7 #[tokio::main] 8 + async fn main() -> eyre::Result<()> { 9 tracing_subscriber::fmt::init(); 10 11 let conf = config::load_config()?; 12 + 13 + let (tx, rx) = tokio::sync::mpsc::channel::<firehose::FirehoseEvent>(64); 14 + 15 + let relay_firehose = firehose::FirehoseConsumer::new_relay(&conf.relay_source, None).await?; 16 + 17 + let firehose_handle = tokio::spawn(relay_consumer(relay_firehose, tx)); 18 + let indexer_handle = tokio::spawn(indexer::relay_indexer(rx)); 19 + 20 + let (firehose_res, indexer_res) = tokio::try_join!{ 21 + firehose_handle, 22 + indexer_handle, 23 + }?; 24 + 25 + firehose_res.and(indexer_res) 26 + } 27 + 28 + async fn relay_consumer( 29 + mut consumer: firehose::FirehoseConsumer, 30 + tx: Sender<firehose::FirehoseEvent>, 31 + ) -> eyre::Result<()> { 32 + loop { 33 + let event = consumer.drive().await?; 34 + match event { 35 + firehose::FirehoseOutput::Close => break, 36 + firehose::FirehoseOutput::Continue => continue, 37 + firehose::FirehoseOutput::Error(err) => { 38 + tracing::error!("Firehose sent an error, exiting: {err:?}"); 39 + break; 40 + } 41 + firehose::FirehoseOutput::Event(event) => { 42 + if let Err(e) = tx.send(event).await { 43 + tracing::error!("Error sending event: {e}"); 44 + } 45 + } 46 + } 47 + } 48 49 Ok(()) 50 }