36 def _SshCallWait(cmd, timeout=None):  argument
53     if timeout:
55         timer = threading.Timer(timeout, process.kill)
58     if timeout:
63 def _SshCall(cmd, timeout=None):  argument
80     if timeout:
82         timer = threading.Timer(timeout, process.kill)
85     if timeout:
90 def _SshLogOutput(cmd, timeout=None, show_output=False):  argument
113     if timeout:
115         timer = threading.Timer(timeout, process.kill)
124     if timeout:
133 def ShellCmdWithRetry(cmd, timeout=None, show_output=False,  argument
159         timeout=timeout,
193     def Run(self, target_command, timeout=None, show_output=False,  argument
212                           timeout,
264     def CheckSshConnection(self, timeout):  argument
276         if _SshCallWait(" ".join(remote_cmd), timeout) == 0:
282     def WaitForSsh(self, timeout=None, max_retry=_SSH_CMD_MAX_RETRY):  argument
293         ssh_timeout = timeout or constants.DEFAULT_SSH_TIMEOUT
302             timeout=_CONNECTION_TIMEOUT)