client: added timeout

- also created a new basiccalloptions that includes message versioning and such

server: now message versioning works.
This commit is contained in:
2005 2024-11-14 19:28:10 +01:00
parent 755cf6467d
commit ee1bb1abdf
3 changed files with 176 additions and 48 deletions

View file

@ -1,7 +1,7 @@
use std::{ use std::{
fmt::{Debug, Display}, fmt::{Debug, Display},
str::from_utf8, str::from_utf8,
time::Instant, time::{Duration, Instant},
}; };
use futures::StreamExt; use futures::StreamExt;
@ -10,6 +10,7 @@ use lapin::{
ConnectionProperties, ConnectionProperties,
}; };
use serde::{de::DeserializeOwned, Serialize}; use serde::{de::DeserializeOwned, Serialize};
use tokio::time::timeout;
use uuid::Uuid; use uuid::Uuid;
use crate::ResultHeader; use crate::ResultHeader;
@ -47,7 +48,7 @@ impl Client {
pub async fn rpc_call<T: RPCClientTask + Send + Debug>( pub async fn rpc_call<T: RPCClientTask + Send + Debug>(
&self, &self,
data: T, data: T,
queue_name: &str, options: BasicCallOptions,
) -> Result<Result<T::Result, T::ErroredResult>, RpcClientError> ) -> Result<Result<T::Result, T::ErroredResult>, RpcClientError>
where where
T: Serialize + DeserializeOwned, T: Serialize + DeserializeOwned,
@ -94,7 +95,7 @@ impl Client {
match channel match channel
.basic_publish( .basic_publish(
"", "",
queue_name, format!("{}-{}", &options.queue_name, options.message_version).as_str(),
BasicPublishOptions::default(), BasicPublishOptions::default(),
serde_json::to_string(&data).unwrap().as_bytes(), serde_json::to_string(&data).unwrap().as_bytes(),
BasicProperties::default() BasicProperties::default()
@ -112,18 +113,18 @@ impl Client {
} }
Ok(confirmation) => { Ok(confirmation) => {
tracing::info!( tracing::info!(
"Sent RPC job of type {} to channel {} Ack: {}", "Sent RPC job of type {} to channel {} Ack: {} Ver: {}",
std::any::type_name::<T>(), std::any::type_name::<T>(),
queue_name, options.queue_name,
confirmation.is_ack() confirmation.is_ack(),
options.message_version
); );
} }
}, },
} }
// TODO implement timeout
tracing::debug!("Awaiting response from callback queue"); tracing::debug!("Awaiting response from callback queue");
let del = loop { let listen = async move {
match consumer.next().await { match consumer.next().await {
None => { None => {
tracing::error!("Received empty data after {:?}", now.elapsed()); tracing::error!("Received empty data after {:?}", now.elapsed());
@ -141,12 +142,26 @@ impl Client {
} }
Ok(del) => { Ok(del) => {
tracing::debug!("Received response after {:?}", now.elapsed()); tracing::debug!("Received response after {:?}", now.elapsed());
break del; return Ok(del);
} }
}, },
}; };
}; };
let del = match options.timeout {
None => listen.await?,
Some(dur) => match timeout(dur, listen).await {
Err(elapsed) => {
tracing::warn!("RPC job has reached timeout after: {}", elapsed);
return Err(RpcClientError::TimeoutReached);
}
Ok(r) => match r {
Err(error) => return Err(error),
Ok(r) => r,
},
},
};
// TODO better implementation of this // TODO better implementation of this
tracing::debug!("Decoding headers"); tracing::debug!("Decoding headers");
let result_type = match del.properties.headers().to_owned() { let result_type = match del.properties.headers().to_owned() {
@ -181,6 +196,7 @@ impl Client {
}, },
}, },
}; };
tracing::debug!("Result type is: {result_type}, decoding..."); tracing::debug!("Result type is: {result_type}, decoding...");
let utf8 = match from_utf8(&del.data) { let utf8 = match from_utf8(&del.data) {
Ok(r) => r, Ok(r) => r,
@ -190,7 +206,7 @@ impl Client {
} }
}; };
let _ = channel.close(0, "byebye").await; let _ = channel.close(0, "byebye").await;
// acking for idk reason
let _ = del.ack(BasicAckOptions::default()).await; let _ = del.ack(BasicAckOptions::default()).await;
match result_type { match result_type {
ResultHeader::Error => match serde_json::from_str::<T::ErroredResult>(utf8) { ResultHeader::Error => match serde_json::from_str::<T::ErroredResult>(utf8) {
@ -216,16 +232,9 @@ impl Client {
} }
// ack message // ack message
} }
/// Sends a message to the queue
/// /// Sends a basic Task to the queue
/// # Examples pub async fn call<T>(&self, data: T, options: BasicCallOptions) -> Result<(), ClientError>
///
/// ```
/// use bunbun_worker::client::Client;
/// let client = Client::new("amqp://127.0.0.1:5672");
/// let result = client.call(EmailJob::new("someone@example.com", "Hello there"), "email-emailjob-v1.0.0");
/// ```
pub async fn call<T>(&self, data: T, queue_name: &str) -> Result<(), ClientError>
where where
T: Serialize + DeserializeOwned, T: Serialize + DeserializeOwned,
{ {
@ -233,7 +242,7 @@ impl Client {
match channel match channel
.basic_publish( .basic_publish(
"", "",
queue_name, format!("{}-{}", &options.queue_name, options.message_version).as_str(),
BasicPublishOptions::default(), BasicPublishOptions::default(),
serde_json::to_string(&data).unwrap().as_bytes(), serde_json::to_string(&data).unwrap().as_bytes(),
BasicProperties::default(), BasicProperties::default(),
@ -254,10 +263,11 @@ impl Client {
Ok(confirmation) => { Ok(confirmation) => {
let _ = channel.close(0, "byebye").await; let _ = channel.close(0, "byebye").await;
tracing::info!( tracing::info!(
"Sent nonRPC job of type {} to channel {} Ack: {}", "Sent nonRPC job of type {} to channel {} Ack: {} Ver: {}",
std::any::type_name::<T>(), std::any::type_name::<T>(),
queue_name, options.queue_name,
confirmation.is_ack() confirmation.is_ack(),
options.message_version
); );
tracing::debug!( tracing::debug!(
"AMQP confirmed dispatch of job | Acknowledged? {}", "AMQP confirmed dispatch of job | Acknowledged? {}",
@ -269,15 +279,40 @@ impl Client {
Ok(()) Ok(())
} }
} }
/// A call option class that is used to control how calls are handled
/// You can define the timeout, and the message versions
pub struct BasicCallOptions {
timeout: Option<Duration>,
queue_name: String,
message_version: String,
}
impl BasicCallOptions {
pub fn default(queue_name: impl Into<String>) -> Self {
Self {
timeout: None,
queue_name: queue_name.into(),
message_version: "v1.0.0".into(),
}
}
pub fn message_version(mut self, message_version: impl Into<String>) -> Self {
self.message_version = message_version.into();
self
}
pub fn timeout(mut self, timeout: Duration) -> Self {
self.timeout = Some(timeout);
self
}
}
/// An error that the client returns /// An error that the client returns
#[derive(Debug)] #[derive(Debug)]
pub enum RpcClientError { pub enum RpcClientError {
NoReply, // TODO timeout NoReply,
FailedDecode, FailedDecode,
FailedToSend, FailedToSend,
InvalidResponse, InvalidResponse,
ServerPanicked, ServerPanicked,
TimeoutReached,
} }
/// An error for normal calls /// An error for normal calls
#[derive(Debug)] #[derive(Debug)]

View file

@ -90,7 +90,7 @@ impl WorkerConfig {
/// ///
/// # Arguments /// # Arguments
/// * `custom_tls` - Optional TLSconfig (if none defaults to lapins choice) /// * `custom_tls` - Optional TLSconfig (if none defaults to lapins choice)
pub fn enable_tls(&mut self, custom_tls: Option<TlsConfig>) { pub fn enable_tls(mut self, custom_tls: Option<TlsConfig>) -> Self {
match custom_tls { match custom_tls {
Some(tls) => { Some(tls) => {
let tls = OwnedTLSConfig { let tls = OwnedTLSConfig {
@ -104,6 +104,45 @@ impl WorkerConfig {
} }
None => self.tls = OwnedTLSConfig::default().into(), None => self.tls = OwnedTLSConfig::default().into(),
} }
self
}
}
/// A worker configuration
pub struct ListenerConfig {
prefetch_count: u16,
queue_name: String,
consumer_tag: String,
message_version: String,
}
impl ListenerConfig {
/// Create a new listener config
/// # Arguments
/// * `queue_name` - The name of the queue to listen to (e.g. service-serviceJobName-v1.0.0)
pub fn default(queue_name: impl Into<String>) -> Self {
Self {
prefetch_count: 0,
queue_name: queue_name.into(),
consumer_tag: "".into(),
message_version: "v1.0.0".into(),
}
}
/// Set the prefetch count for the listener
/// This serves as a maximum job count that can be processed at a time. (0 is unlimited)
pub fn set_prefetch_count(mut self, prefetch_count: u16) -> Self {
self.prefetch_count = prefetch_count;
self
}
/// Set the consumer tag for the listener
pub fn set_consumer_tag(mut self, consumer_tag: impl Into<String>) -> Self {
self.consumer_tag = consumer_tag.into();
self
}
pub fn set_message_version(mut self, version: impl Into<String>) -> Self {
self.message_version = version.into();
self
} }
} }
@ -154,20 +193,24 @@ impl Worker {
/// Add a non-rpc listener to the worker object /// Add a non-rpc listener to the worker object
/// ///
/// # Arguments /// # Arguments
/// * `queue_name` - A string slice that holds the name of the queue to listen to (e.g. service-serviceJobName-v1.0.0)
/// * `state` - An Arc of the state object that will be passed to the listener /// * `state` - An Arc of the state object that will be passed to the listener
/// * `listener_config` - An Arc of the state object that will be passed to the listener
pub async fn add_non_rpc_consumer<J: Task + 'static + Send>( pub async fn add_non_rpc_consumer<J: Task + 'static + Send>(
&mut self, &mut self,
queue_name: &str,
state: Arc<J::State>, state: Arc<J::State>,
listener_config: ListenerConfig,
) where ) where
<J as Task>::State: std::marker::Send + Sync, <J as Task>::State: std::marker::Send + Sync,
{ {
let consumer = self let consumer = self
.channel .channel
.basic_consume( .basic_consume(
queue_name, format!(
"", "{}-{}",
listener_config.queue_name, listener_config.message_version
)
.as_str(),
&listener_config.consumer_tag,
BasicConsumeOptions::default(), BasicConsumeOptions::default(),
FieldTable::default(), FieldTable::default(),
) )
@ -231,28 +274,33 @@ impl Worker {
/// ///
/// ``` /// ```
/// let server = BunBunWorker::new("amqp://localhost:5672", None).await; /// let server = BunBunWorker::new("amqp://localhost:5672", None).await;
/// server.add_rpc_consumer::<MyRPCTask>("service-serviceJobName-v1.0.0", SomeState{} )).await; /// server.add_rpc_consumer::<MyRPCTask>(ListenerConfig::default("service-jobname-v1.0.0") )).await;
/// server.start_all_listeners().await; /// server.start_all_listeners().await;
/// ``` /// ```
pub async fn add_rpc_consumer<J: RPCTask + 'static + Send>( pub async fn add_rpc_consumer<J: RPCTask + 'static + Send>(
&mut self, &mut self,
queue_name: &str,
state: Arc<J::State>, state: Arc<J::State>,
listener_config: ListenerConfig,
) where ) where
<J as RPCTask>::State: std::marker::Send + Sync, <J as RPCTask>::State: std::marker::Send + Sync,
<J as RPCTask>::Result: std::marker::Send + Sync, <J as RPCTask>::Result: std::marker::Send + Sync,
<J as RPCTask>::ErroredResult: std::marker::Send + Sync, <J as RPCTask>::ErroredResult: std::marker::Send + Sync,
{ {
let consumer = self let consumer = create_consumer(
.channel self.channel.clone(),
.basic_consume( format!(
queue_name, "{}-{}",
"", listener_config.queue_name, listener_config.message_version
BasicConsumeOptions::default(), )
FieldTable::default(), .as_str(),
&listener_config.consumer_tag,
listener_config.prefetch_count,
) )
.await .await
.expect("basic_consume error"); .map_err(|e| {
tracing::error!("Failed to create consumer: {}", e);
})
.expect("Failed to create consumer");
let channel = self.channel.clone(); let channel = self.channel.clone();
let handler: Arc< let handler: Arc<
@ -633,3 +681,24 @@ impl Display for ResultHeader {
} }
} }
} }
async fn create_consumer(
channel: Channel,
queue_name: &str,
consumer_tag: &str,
prefect_count: u16,
) -> Result<Consumer, lapin::Error> {
let channel = channel.clone();
channel
.basic_qos(prefect_count, BasicQosOptions::default())
.await?;
channel
.basic_consume(
queue_name,
consumer_tag,
BasicConsumeOptions::default(),
FieldTable::default(),
)
.await
}

View file

@ -15,8 +15,8 @@ mod test {
use tracing_test::traced_test; use tracing_test::traced_test;
use crate::{ use crate::{
client::{Client, RPCClientTask}, client::{BasicCallOptions, Client, RPCClientTask},
RPCTask, Worker, WorkerConfig, ListenerConfig, RPCTask, Worker, WorkerConfig,
}; };
#[derive(Clone, Debug)] #[derive(Clone, Debug)]
@ -108,10 +108,10 @@ mod test {
.await; .await;
listener listener
.add_rpc_consumer::<EmailJob>( .add_rpc_consumer::<EmailJob>(
"email-emailjob-v1.0.0",
Arc::new(State { Arc::new(State {
something: "test".into(), something: "test".into(),
}), }),
ListenerConfig::default("emailjob").set_prefetch_count(100),
) )
.await; .await;
tracing::debug!("Starting listener"); tracing::debug!("Starting listener");
@ -129,10 +129,10 @@ mod test {
.await; .await;
listener listener
.add_rpc_consumer::<PanickingEmailJob>( .add_rpc_consumer::<PanickingEmailJob>(
"email-emailjob-v1.0.0",
Arc::new(State { Arc::new(State {
something: "test".into(), something: "test".into(),
}), }),
ListenerConfig::default("emailjob").set_prefetch_count(100),
) )
.await; .await;
tracing::debug!("Starting listener"); tracing::debug!("Starting listener");
@ -143,7 +143,7 @@ mod test {
#[traced_test] #[traced_test]
async fn rpc_client() { async fn rpc_client() {
// //
let mut client = Client::new(env::var("AMQP_SERVER_URL").unwrap().as_str()) let client = Client::new(env::var("AMQP_SERVER_URL").unwrap().as_str())
.await .await
.unwrap(); .unwrap();
let result = client let result = client
@ -152,7 +152,31 @@ mod test {
send_to: "someone".into(), send_to: "someone".into(),
contents: "something".into(), contents: "something".into(),
}, },
"email-emailjob-v1.0.0", BasicCallOptions::default("emailjob"),
)
.await
.unwrap();
assert_eq!(
result,
Ok(EmailJobResult {
contents: "something".to_string()
})
)
}
#[test(tokio::test)]
#[traced_test]
async fn rpc_client_timeout() {
//
let client = Client::new(env::var("AMQP_SERVER_URL").unwrap().as_str())
.await
.unwrap();
let result = client
.rpc_call::<EmailJob>(
EmailJob {
send_to: "someone".into(),
contents: "something".into(),
},
BasicCallOptions::default("emailjob").timeout(Duration::from_secs(3)),
) )
.await .await
.unwrap(); .unwrap();
@ -184,7 +208,7 @@ mod test {
send_to: "someone".into(), send_to: "someone".into(),
contents: "something".into(), contents: "something".into(),
}, },
"email-emailjob-v1.0.0", BasicCallOptions::default("emailjob"),
) )
.await .await
})); }));