style: use rustfmt

.rustfmt.toml

@@ -0,0 +1,14 @@
+comment_width = 100
+max_width = 120
+edition = "2021"
+format_code_in_doc_comments = true
+format_strings = true
+group_imports = "StdExternalCrate"
+imports_granularity = "Crate"
+normalize_comments = true
+normalize_doc_attributes = true
+wrap_comments = true
+trailing_comma = "Vertical"
+fn_params_layout = "Vertical"
+blank_lines_upper_bound = 2
+blank_lines_lower_bound = 0

Cargo.toml

@@ -48,12 +48,11 @@ thiserror = "2.0"
 hashring = "0.3.6"
 job_scheduler = "1.2.1"
 log = "0.4"
-md5 = "0.7.0"
 tokio = { version = "1", features = ["macros", "rt-multi-thread", "time", "sync"] }
 uuid = { version = "1", features = ["v4"] }
 
 etcd-client = { version = "0.14", optional = true }
-redis = { version = "0.27.5", optional = true, features = ["tokio-comp"] }
+redis = { version = "0.27.6", optional = true, features = ["tokio-comp"] }
 
 [dev-dependencies]
 pretty_env_logger = "0.5"

examples/etcd.rs

@@ -15,7 +15,8 @@ async fn main() -> Result<(), Box<dyn Error>> {
     log::info!("Adding job");
     cron.add_job("test", "* * * * * *".parse().unwrap(), || {
         log::info!("Running job: {}", chrono::Utc::now());
-    }).await?;
+    })
+    .await?;
 
     log::info!("Starting cron");
     cron.start().await;

examples/redis.rs

@@ -8,14 +8,21 @@ async fn main() -> Result<(), Box<dyn Error>> {
 
     let rdb = redis::Client::open("redis://localhost:6379").unwrap();
 
-    let driver = driver::redis::RedisDriver::new(rdb.get_multiplexed_tokio_connection().await?, "example-service", &uuid::Uuid::new_v4().to_string()).await?.with_timeout(3);
+    let driver = driver::redis::RedisDriver::new(
+        rdb.get_multiplexed_tokio_connection().await?,
+        "example-service",
+        &uuid::Uuid::new_v4().to_string(),
+    )
+    .await?
+    .with_timeout(3);
     let np = node_pool::NodePool::new(driver).await?;
     let cron = cron::Cron::new(np).await;
 
     log::info!("Adding job");
     cron.add_job("test", "* * * * * *".parse().unwrap(), || {
         log::info!("Running job: {}", chrono::Utc::now());
-    }).await?;
+    })
+    .await?;
 
     log::info!("Starting cron");
     cron.start().await;

src/cron.rs

@@ -1,14 +1,12 @@
-use std::collections::HashMap;
-use std::future::Future;
-use std::sync::Arc;
+use std::{collections::HashMap, future::Future, sync::Arc};
 
 use job_scheduler::{Schedule, Uuid};
 use tokio::sync::Mutex;
 
-use crate::driver::Driver;
-use crate::node_pool;
+use crate::{driver::Driver, node_pool};
 
-/// The `Cron` struct is the main entry point for the library, providing the ability to add and remove jobs.
+/// The `Cron` struct is the main entry point for the library, providing the ability to add and
+/// remove jobs.
 pub struct Cron<'a, D>
 where
     D: Driver + Send + Sync,
@@ -60,7 +58,11 @@ where
     }
 
     /// Register a job in the scheduler
-    async fn register_job(&self, job_name: &str, job: job_scheduler::Job<'a>) {
+    async fn register_job(
+        &self,
+        job_name: &str,
+        job: job_scheduler::Job<'a>,
+    ) {
         let mut cron = self.scheduler.lock().await;
         let id = cron.add(job);
         self.jobs.lock().await.insert(job_name.to_string(), id);
@@ -73,8 +75,12 @@ where
     /// * `job_name` - The unique name of the job
     /// * `schedule` - The schedule of the job
     /// * `run` - The function to run
-    ///
-    pub async fn add_job<F>(&self, job_name: &str, schedule: Schedule, run: F) -> Result<(), Error>
+    pub async fn add_job<F>(
+        &self,
+        job_name: &str,
+        schedule: Schedule,
+        run: F,
+    ) -> Result<(), Error>
     where
         F: 'static + Sync + Send + Fn(),
     {
@@ -159,8 +165,10 @@ where
     /// # Arguments
     ///
     /// * `job_name` - The unique name of the job
-    ///
-    pub async fn remove_job(&self, job_name: &str) -> Result<(), Error> {
+    pub async fn remove_job(
+        &self,
+        job_name: &str,
+    ) -> Result<(), Error> {
         if let Some(id) = self.jobs.lock().await.remove(job_name) {
             self.scheduler.lock().await.remove(id);
         }

src/driver/etcd.rs

@@ -1,13 +1,11 @@
 /// Etcd driver implementation.
-
 use std::collections::HashSet;
-use std::sync::Arc;
-use std::sync::atomic::AtomicBool;
+use std::sync::{atomic::AtomicBool, Arc};
 
 use etcd_client::*;
 use tokio::sync::{Mutex, RwLock};
 
-use super::{Driver, utils};
+use super::{utils, Driver};
 
 const DEFAULT_LEASE_TTL: i64 = 3;
 
@@ -26,9 +24,11 @@ pub struct EtcdDriver {
 }
 
 impl std::fmt::Debug for EtcdDriver {
-    fn fmt(&self, f: &mut std::fmt::Formatter) -> std::fmt::Result {
-        f
-            .debug_struct("EtcdDriver")
+    fn fmt(
+        &self,
+        f: &mut std::fmt::Formatter,
+    ) -> std::fmt::Result {
+        f.debug_struct("EtcdDriver")
             .field("service_name", &self.service_name)
             .field("node_id", &self.node_id)
             .field("stop", &self.stop)
@@ -51,7 +51,11 @@ pub enum Error {
 
 impl EtcdDriver {
     /// Create a new etcd driver with the given client, service name, and node id.
-    pub async fn new(client: Client, service_name: &str, node_id: &str) -> Result<Self, Error> {
+    pub async fn new(
+        client: Client,
+        service_name: &str,
+        node_id: &str,
+    ) -> Result<Self, Error> {
         if service_name.is_empty() {
             return Err(Error::EmptyServiceName);
         }
@@ -71,7 +75,10 @@ impl EtcdDriver {
     }
 
     /// Set the timeout for the driver.
-    pub fn with_timeout(mut self, timeout: i64) -> Self {
+    pub fn with_timeout(
+        mut self,
+        timeout: i64,
+    ) -> Self {
         self.lease_ttl = timeout;
         self
     }
@@ -92,20 +99,33 @@ impl Driver for EtcdDriver {
         Ok(self.node_list.read().await.iter().cloned().collect())
     }
 
-    /// Start a routine to watch for node changes and register the current node. Use lease to keep the node key alive.
+    /// Start a routine to watch for node changes and register the current node. Use lease to keep
+    /// the node key alive.
     async fn start(&mut self) -> Result<(), Box<dyn std::error::Error>> {
         let mut client = self.client.lock().await;
         self.stop.store(false, std::sync::atomic::Ordering::SeqCst);
 
         // init node list
         let mut node_list = self.node_list.write().await;
-        for kv in client.get(utils::get_key_prefix(&self.service_name), Some(GetOptions::new().with_prefix())).await?.kvs() {
+        for kv in client
+            .get(
+                utils::get_key_prefix(&self.service_name),
+                Some(GetOptions::new().with_prefix()),
+            )
+            .await?
+            .kvs()
+        {
             node_list.insert(kv.key_str()?.into());
         }
 
         // watch for node changes
         {
-            let (mut watcher, mut watch_stream) = client.watch(utils::get_key_prefix(&self.service_name), Some(WatchOptions::new().with_prefix())).await?;
+            let (mut watcher, mut watch_stream) = client
+                .watch(
+                    utils::get_key_prefix(&self.service_name),
+                    Some(WatchOptions::new().with_prefix()),
+                )
+                .await?;
             let node_list = self.node_list.clone();
             let stop = self.stop.clone();
             tokio::spawn(async move {
@@ -160,7 +180,12 @@ impl Driver for EtcdDriver {
 
                 loop {
                     if stop.load(std::sync::atomic::Ordering::SeqCst) {
-                        inner_client.lock().await.lease_revoke(lease_id).await.expect("Failed to revoke lease");
+                        inner_client
+                            .lock()
+                            .await
+                            .lease_revoke(lease_id)
+                            .await
+                            .expect("Failed to revoke lease");
                         break;
                     }
 
@@ -173,7 +198,13 @@ impl Driver for EtcdDriver {
             });
 
             // put the node key
-            client.put(self.node_id.as_str(), self.node_id.as_str(), Some(PutOptions::new().with_lease(lease_id))).await?;
+            client
+                .put(
+                    self.node_id.as_str(),
+                    self.node_id.as_str(),
+                    Some(PutOptions::new().with_lease(lease_id)),
+                )
+                .await?;
         }
 
         Ok(())

src/driver/redis.rs

@@ -1,9 +1,9 @@
-use std::fmt::Debug;
-use std::sync::atomic::AtomicBool;
-use std::sync::Arc;
+use std::{
+    fmt::Debug,
+    sync::{atomic::AtomicBool, Arc},
+};
 
-use redis::aio::ConnectionLike;
-use redis::AsyncCommands;
+use redis::{aio::ConnectionLike, AsyncCommands};
 
 use super::{utils, Driver};
 
@@ -36,7 +36,11 @@ impl<C> RedisDriver<C>
 where
     C: ConnectionLike,
 {
-    pub async fn new(con: C, service_name: &str, node_id: &str) -> Result<Self, Error> {
+    pub async fn new(
+        con: C,
+        service_name: &str,
+        node_id: &str,
+    ) -> Result<Self, Error> {
         if service_name.is_empty() {
             return Err(Error::EmptyServiceName);
         }
@@ -54,7 +58,10 @@ where
         })
     }
 
-    pub fn with_timeout(mut self, timeout: u64) -> Self {
+    pub fn with_timeout(
+        mut self,
+        timeout: u64,
+    ) -> Self {
         self.timeout = timeout;
         self
     }
@@ -64,7 +71,6 @@ where
     }
 }
 
-
 #[async_trait::async_trait]
 impl<C> Driver for RedisDriver<C>
 where
@@ -133,8 +139,11 @@ where
 /// * `node_id` - The id of the node
 /// * `timeout` - The timeout of the node
 /// * `con` - The redis connection
-///
-async fn register_node<C: ConnectionLike + Send>(node_id: &str, timeout: u64, con: &mut C) -> Result<(), Box<dyn std::error::Error>> {
+async fn register_node<C: ConnectionLike + Send>(
+    node_id: &str,
+    timeout: u64,
+    con: &mut C,
+) -> Result<(), Box<dyn std::error::Error>> {
     con.set_ex(node_id, node_id, timeout).await?;
     Ok(())
 }
@@ -152,8 +161,12 @@ async fn register_node<C: ConnectionLike + Send>(node_id: &str, timeout: u64, co
 /// # Returns
 ///
 /// * `Result<(), Box<dyn std::error::Error>` - The result of the function
-///
-async fn heartbeat<C: ConnectionLike + Send>(node_id: &str, timeout: u64, con: C, started: Arc<AtomicBool>) -> Result<(), Box<dyn std::error::Error>> {
+async fn heartbeat<C: ConnectionLike + Send>(
+    node_id: &str,
+    timeout: u64,
+    con: C,
+    started: Arc<AtomicBool>,
+) -> Result<(), Box<dyn std::error::Error>> {
     let mut interval = tokio::time::interval(tokio::time::Duration::from_secs(1));
     let mut con = con;
     let mut error_time = 0;
@@ -170,7 +183,8 @@ async fn heartbeat<C: ConnectionLike + Send>(node_id: &str, timeout: u64, con: C
         interval.tick().await;
 
         // register the node
-        register_node(node_id, timeout, &mut con).await
+        register_node(node_id, timeout, &mut con)
+            .await
             .map_err(|e| {
                 error_time += 1;
                 log::error!("Failed to register node: {:?}", e);
@@ -198,12 +212,10 @@ mod tests {
         let node_id = "test-node";
         let timeout = 10_u64;
 
-        let mut mock_con = MockRedisConnection::new(vec![
-            MockCmd::new(
-                redis::cmd("SETEX").arg(node_id).arg(timeout as usize).arg(node_id),
-                Ok(redis::Value::Okay),
-            ),
-        ]);
+        let mut mock_con = MockRedisConnection::new(vec![MockCmd::new(
+            redis::cmd("SETEX").arg(node_id).arg(timeout as usize).arg(node_id),
+            Ok(redis::Value::Okay),
+        )]);
 
         // Perform the node registration
         let result = register_node(node_id, timeout, &mut mock_con).await;
@@ -218,14 +230,15 @@ mod tests {
         let pattern = utils::get_key_prefix(service_name) + "*";
 
         let keys = ["test-service-node1", "test-service-node2", "test-service-node3"];
-        let keys_as_redis_values = keys.iter().map(|k| redis::Value::BulkString(k.to_string().into_bytes())).collect::<Vec<_>>();
-
-        let mock_con = MockRedisConnection::new(vec![
-            MockCmd::new(
-                redis::cmd("SCAN").arg("0").arg("MATCH").arg(&pattern),
-                Ok(redis::Value::Array(keys_as_redis_values)),
-            )
-        ]);
+        let keys_as_redis_values = keys
+            .iter()
+            .map(|k| redis::Value::BulkString(k.to_string().into_bytes()))
+            .collect::<Vec<_>>();
+
+        let mock_con = MockRedisConnection::new(vec![MockCmd::new(
+            redis::cmd("SCAN").arg("0").arg("MATCH").arg(&pattern),
+            Ok(redis::Value::Array(keys_as_redis_values)),
+        )]);
 
         // Perform the node registration
         let driver = RedisDriver::new(mock_con, service_name, node_id).await.unwrap();