234 		elseif opcode == 0x8 then -- Close request

   234 		elseif opcode == 0x8 then -- Close request

   235 			websocket_close(1000, "Goodbye");

   235 			websocket_close(1000, "Goodbye");

   236 			return;

   236 			return;

   237 		elseif opcode == 0x9 then -- Ping frame

   237 		elseif opcode == 0x9 then -- Ping frame

   238 			frame.opcode = 0xA;

   238 			frame.opcode = 0xA;

   239 			conn:write(build_frame(frame));

   240 			conn:write(build_frame(frame));

   240 			return "";

   241 			return "";

   241 		elseif opcode == 0xA then -- Pong frame, MAY be sent unsolicited, eg as keepalive

   242 		elseif opcode == 0xA then -- Pong frame, MAY be sent unsolicited, eg as keepalive

   242 			return "";

   243 			return "";

   243 		else

   244 		else