TODO: ack in packet header

lib/network.rb

@@ -73,10 +73,11 @@ NETMSGTYPE_SV_COMMANDINFOREMOVE = 38
 NETMSGTYPE_CL_COMMAND = 39
 NUM_NETMSGTYPES = 40
 
-NET_CTRLMSG_CONNECT = 0x01
-NET_CTRLMSG_ACCEPT = 0x02
-NET_CTRLMSG_CLOSE = 0x04
-NET_CTRLMSG_TOKEN = 0x05
+NET_CTRLMSG_KEEPALIVE = 0
+NET_CTRLMSG_CONNECT = 1
+NET_CTRLMSG_ACCEPT = 2
+NET_CTRLMSG_CLOSE = 4
+NET_CTRLMSG_TOKEN = 5
 
 NET_CONNSTATE_OFFLINE = 0
 NET_CONNSTATE_TOKEN = 1

teeworlds.rb

@@ -35,6 +35,7 @@ class TwClient
     @ip = 'localhost'
     @port = 8303
     @packet_flags = {}
+    @ticks = 0
   end
 
   def send_msg(data)
@@ -44,6 +45,19 @@ class TwClient
     @s.send(msg.pack('C*'), 0, @ip, @port)
   end
 
+  # does not help because server
+  # drops the invalid acks
+  # so we have to finally
+  # create a proper
+  # sendpacket() method
+  # that sends a proper header
+  def send_ctrl_keepalive()
+    # size and flags
+    header = [0x04, 0x0A, 0x00] + str_bytes(@token)
+    msg = header + [NET_CTRLMSG_KEEPALIVE]
+    @s.send(msg.pack('C*'), 0, @ip, @port)
+  end
+
   def send_msg_connect()
     header = [0x04, 0x00, 0x00] + str_bytes(@token)
     msg = header + [NET_CTRLMSG_CONNECT] + str_bytes(@client_token) + Array.new(501, 0x00)
@@ -262,6 +276,11 @@ class TwClient
     else # process non-connless packets
       process_server_packet(packet.payload)
     end
+
+    @ticks += 1
+    if @ticks % 10 == 0
+      send_ctrl_keepalive
+    end
   end
 
   def disconnect