serde

src/socket/protocol/mod.rs

@@ -146,6 +146,16 @@ impl Protocol {
         })
     }
 
+    pub fn ping() -> Result<Self> {
+        let fixed = FixedHeader::default(PacketType::PingReq);
+        Ok(Self {
+            trace_id: id::uuid(),
+            fixed,
+            variable: None,
+            payload: None,
+        })
+    }
+
     pub fn pong() -> Result<Self> {
         let fixed = FixedHeader::default(PacketType::PongResp);
         Ok(Self {