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Minor Refactoring of re-used code and server stat reporting (#129)

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* Minor changes to stats reporting and recduce re-used code

* fmt
This commit is contained in:
zainkabani
2022-08-18 08:12:38 -04:00
committed by GitHub
parent 790898c20e
commit 5948fef6cf
2 changed files with 49 additions and 67 deletions
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112
src/client.rs
View File

@@ -667,7 +667,6 @@ where
.client_disconnecting(self.process_id, last_address_id);
}
self.stats.client_active(self.process_id, address.id);
self.stats.server_active(server.process_id(), address.id);
self.last_address_id = Some(address.id);
self.last_server_id = Some(server.process_id());
@@ -731,44 +730,16 @@ where
'Q' => {
debug!("Sending query to server");
self.send_server_message(
server,
self.send_and_receive_loop(
code,
original,
server,
&address,
query_router.shard(),
&pool,
)
.await?;
// Read all data the server has to offer, which can be multiple messages
// buffered in 8196 bytes chunks.
loop {
let response = self
.receive_server_message(
server,
&address,
query_router.shard(),
&pool,
)
.await?;
// Send server reply to the client.
match write_all_half(&mut self.write, response).await {
Ok(_) => (),
Err(err) => {
server.mark_bad();
return Err(err);
}
};
if !server.is_data_available() {
break;
}
}
// Report query executed statistics.
self.stats.query(self.process_id, address.id);
if !server.in_transaction() {
// Report transaction executed statistics.
self.stats.transaction(self.process_id, address.id);
@@ -776,7 +747,6 @@ where
// Release server back to the pool if we are in transaction mode.
// If we are in session mode, we keep the server until the client disconnects.
if self.transaction_mode {
self.stats.server_idle(server.process_id(), address.id);
break;
}
}
@@ -830,9 +800,10 @@ where
self.buffer.put(&original[..]);
self.send_server_message(
server,
self.send_and_receive_loop(
code,
self.buffer.clone(),
server,
&address,
query_router.shard(),
&pool,
@@ -841,41 +812,12 @@ where
self.buffer.clear();
// Read all data the server has to offer, which can be multiple messages
// buffered in 8196 bytes chunks.
loop {
let response = self
.receive_server_message(
server,
&address,
query_router.shard(),
&pool,
)
.await?;
match write_all_half(&mut self.write, response).await {
Ok(_) => (),
Err(err) => {
server.mark_bad();
return Err(err);
}
};
if !server.is_data_available() {
break;
}
}
// Report query executed statistics.
self.stats.query(self.process_id, address.id);
if !server.in_transaction() {
self.stats.transaction(self.process_id, address.id);
// Release server back to the pool if we are in transaction mode.
// If we are in session mode, we keep the server until the client disconnects.
if self.transaction_mode {
self.stats.server_idle(server.process_id(), address.id);
break;
}
}
@@ -925,7 +867,6 @@ where
// Release server back to the pool if we are in transaction mode.
// If we are in session mode, we keep the server until the client disconnects.
if self.transaction_mode {
self.stats.server_idle(server.process_id(), address.id);
break;
}
}
@@ -941,6 +882,7 @@ where
// The server is no longer bound to us, we can't cancel it's queries anymore.
debug!("Releasing server back into the pool");
self.stats.server_idle(server.process_id(), address.id);
self.release();
self.stats.client_idle(self.process_id, address.id);
}
@@ -952,6 +894,46 @@ where
guard.remove(&(self.process_id, self.secret_key));
}
async fn send_and_receive_loop(
&mut self,
code: char,
message: BytesMut,
server: &mut Server,
address: &Address,
shard: usize,
pool: &ConnectionPool,
) -> Result<(), Error> {
debug!("Sending {} to server", code);
self.send_server_message(server, message, &address, shard, &pool)
.await?;
// Read all data the server has to offer, which can be multiple messages
// buffered in 8196 bytes chunks.
loop {
let response = self
.receive_server_message(server, &address, shard, &pool)
.await?;
match write_all_half(&mut self.write, response).await {
Ok(_) => (),
Err(err) => {
server.mark_bad();
return Err(err);
}
};
if !server.is_data_available() {
break;
}
}
// Report query executed statistics.
self.stats.query(self.process_id, address.id);
Ok(())
}
async fn send_server_message(
&self,
server: &mut Server,

4
src/pool.rs
View File

@@ -335,7 +335,7 @@ impl ConnectionPool {
if !require_healthcheck {
self.stats
.checkout_time(now.elapsed().as_micros(), process_id, address.id);
self.stats.server_idle(conn.process_id(), address.id);
self.stats.server_active(conn.process_id(), address.id);
return Ok((conn, address.clone()));
}
@@ -354,7 +354,7 @@ impl ConnectionPool {
Ok(_) => {
self.stats
.checkout_time(now.elapsed().as_micros(), process_id, address.id);
self.stats.server_idle(conn.process_id(), address.id);
self.stats.server_active(conn.process_id(), address.id);
return Ok((conn, address.clone()));
}