fix new clippy warnings

core/build.rs

@@ -20,7 +20,7 @@ fn main() {
     let pkg_config_path = dpdk_path.join("lib/x86_64-linux-gnu/pkgconfig");
     let cflags_bytes = Command::new("pkg-config")
         .env("PKG_CONFIG_PATH", &pkg_config_path)
-        .args(&["--cflags", "libdpdk"])
+        .args(["--cflags", "libdpdk"])
         .output()
         .unwrap_or_else(|e| panic!("Failed pkg-config cflags: {:?}", e))
         .stdout;
@@ -37,7 +37,7 @@ fn main() {
 
     let ldflags_bytes = Command::new("pkg-config")
         .env("PKG_CONFIG_PATH", &pkg_config_path)
-        .args(&["--libs", "libdpdk"])
+        .args(["--libs", "libdpdk"])
         .output()
         .unwrap_or_else(|e| panic!("Failed pkg-config ldflags: {:?}", e))
         .stdout;

core/src/conntrack/timerwheel.rs

@@ -118,7 +118,7 @@ impl TimerWheel {
                         conn.terminate(subscription);
                         occupied.remove();
                     } else {
-                        let timer_index = (expire_time / period) as usize % nb_buckets;
+                        let timer_index = (expire_time / period) % nb_buckets;
                         not_expired.push((timer_index, conn_id));
                     }
                 }

core/src/filter/ast.rs

@@ -25,7 +25,7 @@ lazy_static! {
         let ssh      = g.add_node(protocol!("ssh"));
         let dns      = g.add_node(protocol!("dns"));
         // define valid outer layers for each protocol header
-        g.extend_with_edges(&[
+        g.extend_with_edges([
             (ipv4, ethernet),
             (ipv6, ethernet),
             (tcp, ipv4), (tcp, ipv6),

core/src/lcore/mod.rs

@@ -14,7 +14,7 @@ pub(crate) struct SocketId(pub(crate) u32);
 impl SocketId {
     // For DPDK functions
     pub(crate) fn raw(&self) -> u32 {
-        self.0 as u32
+        self.0
     }
 }
 
@@ -31,12 +31,12 @@ pub struct CoreId(pub u32);
 
 impl CoreId {
     pub(crate) fn socket_id(&self) -> SocketId {
-        unsafe { SocketId(dpdk::rte_lcore_to_socket_id(self.0) as u32) }
+        unsafe { SocketId(dpdk::rte_lcore_to_socket_id(self.0)) }
     }
 
     /// For DPDK functions
     pub fn raw(&self) -> u32 {
-        self.0 as u32
+        self.0
     }
 }
 

core/src/port/mod.rs

@@ -51,7 +51,7 @@ impl PortId {
 
     /// For DPDK functions
     pub(crate) fn raw(&self) -> u16 {
-        self.0 as u16
+        self.0
     }
 }
 
@@ -418,7 +418,7 @@ pub(crate) struct RxQueueId(pub(crate) u16);
 impl RxQueueId {
     /// For DPDK functions
     pub(crate) fn raw(&self) -> u16 {
-        self.0 as u16
+        self.0
     }
 }
 

core/src/protocols/stream/tls/parser.rs

@@ -412,9 +412,9 @@ impl Tls {
     }
 
     /// Parse a TLS record.
-    pub(crate) fn parse_record_level<'b>(
+    pub(crate) fn parse_record_level(
         &mut self,
-        record: &TlsRawRecord<'b>,
+        record: &TlsRawRecord<'_>,
         direction: bool,
     ) -> ParseResult {
         let mut v: Vec<u8>;

examples/ip_anon/src/main.rs

@@ -21,7 +21,7 @@ struct Args {
 fn main() -> Result<()> {
     env_logger::init();
     let args = Args::parse();
-    let config = load_config(&args.config);
+    let config = load_config(args.config);
 
     let key: [u8; 16] = "a sample enc key".as_bytes().try_into()?;
     let callback = |frame: ConnectionFrame| {

examples/video/src/main.rs

@@ -38,7 +38,7 @@ fn main() -> Result<()> {
     // not re-allocate.
     let sessions = Mutex::new(LinkedHashMap::with_capacity(100_000_000));
     let mut wtr = Writer::from_path(&args.outfile)?;
-    wtr.write_record(&[
+    wtr.write_record([
         "client",
         "parallel_flows",
         "bytes_up",