added partial functionality for endpoints

src/prudp/endpoint.rs

@@ -1,3 +1,19 @@
-pub struct Endpoint{
+use std::net::UdpSocket;
+use std::sync::Arc;
+use crate::prudp::packet::VirtualPort;
+use crate::prudp::server::Connection;
 
+pub struct Endpoint{
+    socket: Arc<UdpSocket>,
+    virtual_port: VirtualPort,
+}
+
+impl Endpoint{
+    pub fn get_virual_port(&self) -> VirtualPort{
+        self.virtual_port
+    }
+
+    fn process_packet(connection: &Connection){
+        
+    }
 }