[feature] Support GTPv1-U Decode

1 files changed, 9 insertions, 9 deletions

diff --git a/src/plugin/example.rs b/src/plugin/example.rs
index 6819d75..bce1724 100644
--- a/src/plugin/example.rs
+++ b/src/plugin/example.rs
@@ -78,19 +78,19 @@ impl EventHandle for ExamplePulgin {
         packet: Option<&Packet>,
         session: Option<Rc<RefCell<Session>>>,
     ) {
+        self.plugin_ctx.borrow_mut().clear();
+        self.plugin_ctx.borrow_mut().push_str("1");
+
         if session.is_none() {
             return;
         }
 
-        let length = packet.unwrap().orig_len;
-        let flow_id = packet.unwrap().get_flow_id();
-        println!(
-            "{} handle Packet: {:?} {:?}",
-            self.plugin_name, length, flow_id
-        );
-
-        self.plugin_ctx.borrow_mut().clear();
-        self.plugin_ctx.borrow_mut().push_str("1");
+        if packet.is_some() {
+            let flow_id = packet.unwrap().get_flow_id();
+            println!("{} handle Packet: {:?}", self.plugin_name, flow_id);
+        } else {
+            println!("{} handle Packet: None", self.plugin_name);
+        }
 
         let session = session.unwrap();
         if index == self.tcp_opening_event {