usage: wsdump.py [-h] [-p PROXY] [-v [VERBOSE]] [-n] [-r] [-s [SUBPROTOCOLS [SUBPROTOCOLS ...]]] [-o ORIGIN] [--eof-wait EOF_WAIT] [-t TEXT] [--timings] ws_url wsdump.py: error: too few arguments

usage: wsdump.py [-h] [-p PROXY] [-v [VERBOSE]] [-n] [-r] [-s [SUBPROTOCOLS [SUBPROTOCOLS ...]]] [-o ORIGIN] [--eof-wait EOF_WAIT] [-t TEXT] [--timings] ws_url WebSocket Simple Dump Tool positional arguments: ws_url websocket url. ex. ws://echo.websocket.org/ optional arguments: -h, --help show this help message and exit -p PROXY, --proxy PROXY proxy url. ex. http://127.0.0.1:8080 -v [VERBOSE], --verbose [VERBOSE] set verbose mode. If set to 1, show opcode. If set to 2, enable to trace websocket module -n, --nocert Ignore invalid SSL cert -r, --raw raw output -s [SUBPROTOCOLS [SUBPROTOCOLS ...]], --subprotocols [SUBPROTOCOLS [SUBPROTOCOLS ...]] Set subprotocols -o ORIGIN, --origin ORIGIN Set origin --eof-wait EOF_WAIT wait time(second) after 'EOF' received. -t TEXT, --text TEXT Send initial text --timings Print timings in seconds