fix lint

src/client.rs

@@ -17,7 +17,7 @@ use std::net::SocketAddr;
 use std::sync::Arc;
 use tokio::io::{self, copy_bidirectional, AsyncReadExt, AsyncWriteExt};
 use tokio::net::{TcpStream, UdpSocket};
-use tokio::sync::{broadcast, mpsc, oneshot, RwLock};
+use tokio::sync::{mpsc, oneshot, RwLock};
 use tokio::time::{self, Duration, Instant};
 use tokio_util::sync::CancellationToken;
 use tracing::{debug, error, info, instrument, trace, warn, Instrument, Span};

src/config.rs

@@ -255,9 +255,9 @@ impl Config {
     fn validate_server_config(server: &mut ServerConfig) -> Result<()> {
         // Validate services
         for (name, s) in &mut server.services {
-            s.name = name.clone();
+            s.name.clone_from(name);
             if s.token.is_none() {
-                s.token = server.default_token.clone();
+                s.token.clone_from(&server.default_token);
                 if s.token.is_none() {
                     bail!("The token of service {} is not set", name);
                 }
@@ -272,9 +272,9 @@ impl Config {
     fn validate_client_config(client: &mut ClientConfig) -> Result<()> {
         // Validate services
         for (name, s) in &mut client.services {
-            s.name = name.clone();
+            s.name.clone_from(name);
             if s.token.is_none() {
-                s.token = client.default_token.clone();
+                s.token.clone_from(&client.default_token);
                 if s.token.is_none() {
                     bail!("The token of service {} is not set", name);
                 }

src/lib.rs

@@ -13,7 +13,7 @@ pub use config::Config;
 pub use constants::UDP_BUFFER_SIZE;
 
 use anyhow::Result;
-use tokio::sync::{broadcast, mpsc};
+use tokio::sync::mpsc;
 use tokio_util::sync::CancellationToken;
 use tracing::{debug, info};