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59 changes: 31 additions & 28 deletions pgdog/src/backend/replication/logical/publisher/publisher_impl.rs
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Original file line number Diff line number Diff line change
@@ -1,7 +1,7 @@
use std::collections::HashMap;
use std::time::Duration;

use tokio::{select, spawn};
use tokio::spawn;
use tracing::{debug, error, info};

use super::super::{publisher::Table, Error};
Expand Down Expand Up @@ -113,35 +113,38 @@ impl Publisher {
let progress = Progress::new_stream();

loop {
select! {
replication_data = slot.replicate(Duration::MAX) => {
match replication_data {
Ok(Some(ReplicationData::CopyData(data))) => {
let lsn = if let Some(ReplicationMeta::KeepAlive(ka)) = data.replication_meta() {
// If the LSN hasn't moved, we reached the end of the stream.
// If Postgres is getting requesting reply, provide our LSN now.
if !stream.set_current_lsn(ka.wal_end) || ka.reply() {
slot.status_update(stream.status_update()).await?;
}
debug!("origin at lsn {} [{}]", Lsn::from_i64(ka.wal_end), slot.server()?.addr());
ka.wal_end
} else {
if let Some(status_update) = stream.handle(data).await? {
slot.status_update(status_update).await?;
}
stream.lsn()
};
progress.update(stream.bytes_sharded(), lsn);
let replication_data = slot.replicate(Duration::MAX).await;
match replication_data {
Ok(Some(ReplicationData::CopyData(data))) => {
let lsn = if let Some(ReplicationMeta::KeepAlive(ka)) =
data.replication_meta()
{
// If the LSN hasn't moved, we reached the end of the stream.
// If Postgres is getting requesting reply, provide our LSN now.
if !stream.set_current_lsn(ka.wal_end) || ka.reply() {
slot.status_update(stream.status_update()).await?;
}
Ok(Some(ReplicationData::CopyDone)) => (),
Ok(None) => {
slot.drop_slot().await?;
break;
debug!(
"origin at lsn {} [{}]",
Lsn::from_i64(ka.wal_end),
slot.server()?.addr()
);
ka.wal_end
} else {
if let Some(status_update) = stream.handle(data).await? {
slot.status_update(status_update).await?;
}
Err(err) => {
return Err(err);
}
}
stream.lsn()
};
progress.update(stream.bytes_sharded(), lsn);
}
Ok(Some(ReplicationData::CopyDone)) => (),
Ok(None) => {
slot.drop_slot().await?;
break;
}
Err(err) => {
return Err(err);
}
}
}
Expand Down
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