code: def handle(self):
      buffer = b""
      command = None
      command_ptr = None
      fragment_length = None
      while self.server.is_serving() or buffer:
          try:
              buffer += self.request.recv(1024)
          except socket.timeout:
              continue
          if not buffer:
              continue
          parts = re.split(_CMD_SEP, buffer)
          buffer = parts[-1]
          for fragment in parts[:-1]:
              fragment = fragment.decode()
              _logger.info("Command fragment: %s", fragment)
  
              if fragment.startswith("*") and command is None:
                  command = [None for _ in range(int(fragment[1:]))]
                  command_ptr = 0
                  fragment_length = None
                  continue
  
              if (
                  fragment.startswith("$")
                  and command[command_ptr] is None
              ):
                  fragment_length = int(fragment[1:])
                  continue
  
              assert len(fragment) == fragment_length
              command[command_ptr] = fragment
              command_ptr += 1
  
              if command_ptr < len(command):
                  continue
  
              command = " ".join(command)
              _logger.info("Command %s", command)
              resp = _SUPPORTED_CMDS.get(command, _ERROR_RESP)
              _logger.info("Response %s", resp)
              self.request.sendall(resp)
              command = None
      _logger.info("Exit handler")
  
imports: import logging
  import re
  import socket
  import socketserver
  import ssl
  import threading
  import pytest
  from redis.connection import Connection, SSLConnection, UnixDomainSocketConnection
  from .ssl_utils import get_ssl_filename
label_desc: Use image node_id 3 for calling the _RedisRequestHandler obj's underlying member method code with example usage: obj.handle() without return types