hbc proper termination, hbd config reloadable

hbd/server/udp.py

@@ -127,10 +127,7 @@ def handle_datagram(msg: dict, addr, transport, ctx: dict):
         host.doesack = msg.get("acks", -1)
         # send ACK back
         rmsg = {"time": __import__("time").time()}
-        if host.cver < 1:
-            opkt = b"ACK"
-        else:
-            opkt = dicttos("ACK", rmsg)
+        opkt = dicttos("ACK", rmsg)
         try:
             transport.sendto(opkt, addr)
         except Exception as e:
@@ -174,7 +171,6 @@ def handle_datagram(msg: dict, addr, transport, ctx: dict):
                     })
                 except Exception:
                     pass
-    host.setcver(msg.get("ver", 0))
 
     try:
         conn, res = host.conndata(cid, ip, rtt, now)
@@ -301,22 +297,11 @@ def handle_datagram(msg: dict, addr, transport, ctx: dict):
             del host.cmds[0]
             if log:
                 log(uname, "command sent")
-            if host.cver < 1:
-                rmsg = rmsg["cmd"]
         elif op == "UPD":
             del host.cmds[0]
             if log:
                 log(uname, "update initiated")
-            if host.cver < 1:
-                if log:
-                    log(uname, " ver 0 does not support UPD")
-                continue
-        if host.cver < 1:
-            opkt = rmsg if isinstance(rmsg, (bytes, str)) else str(rmsg)
-            if isinstance(opkt, str):
-                opkt = opkt.encode()
-        else:
-            opkt = dicttos(op, rmsg)
+        opkt = dicttos(op, rmsg)
         try:
             transport.sendto(opkt, addr)
         except Exception as e: