"""List debug-server commands and ring state."""
import socket, json
s = socket.create_connection(('127.0.0.1', 4370), timeout=10)
def send(p):
    s.sendall((json.dumps(p) + '\n').encode())
    buf = b''
    while True:
        c = s.recv(1<<20)
        if not c: break
        buf += c
        if buf.strip().endswith(b'}'):
            try: return json.loads(buf.decode())
            except: continue
print('help:', send({'id':1,'cmd':'help'}))
s.close()