ws_dissector.py 文件源码

def init_proc(cls, executable_path, ws_library_path):
        """
        Launch the ws_dissector program. Must be called before any actual
        decoding, and should be called only once.

        :param executable_path: path to ws_dissector. If set to None, uses the default path.
        :type executable_path: string or None

        :param ws_library_path: a directory that contains libwireshark. If set to None, uses the default path.
        :type ws_library_path: string or None
        """

        if cls._init_proc_called:
            return
        if executable_path:
            real_executable_path = executable_path
        else:
            if platform.system() == "Windows":
                real_executable_path = sys.exec_prefix + "/mobile_insight/ws_dissector/ws_dissector.exe"
            else:   # Linux or macOS
                real_executable_path = "/usr/local/bin/ws_dissector"

        env = dict(os.environ)
        if platform.system() == "Windows":
            if ws_library_path:
                env["PATH"] = ws_library_path + ";" + env.get("PATH", "")
        else:
            if ws_library_path:
                env["LD_LIBRARY_PATH"] = ws_library_path + \
                    ":" + env.get("LD_LIBRARY_PATH", "")
        cls._proc = subprocess.Popen([real_executable_path],
                                     bufsize=-1,
                                     stdin=subprocess.PIPE,
                                     stdout=subprocess.PIPE,
                                     env=env
                                     )
        cls._init_proc_called = True