1 # 2 # Copyright (C) 2016 The Android Open Source Project 3 # 4 # Licensed under the Apache License, Version 2.0 (the "License"); 5 # you may not use this file except in compliance with the License. 6 # You may obtain a copy of the License at 7 # 8 # http://www.apache.org/licenses/LICENSE-2.0 9 # 10 # Unless required by applicable law or agreed to in writing, software 11 # distributed under the License is distributed on an "AS IS" BASIS, 12 # WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 # See the License for the specific language governing permissions and 14 # limitations under the License. 15 # 16 17 from vts.runners.host import const 18 19 20 class ShellMirrorObject(object): 21 '''The class that mirrors a shell on the native side. 22 23 Attributes: 24 _client: the TCP client instance. 25 enabled: bool, whether RPC shell feature is enabled for the device. 26 ''' 27 28 def __init__(self, client): 29 self._client = client 30 self.enabled = True 31 32 def Execute(self, command, no_except=False): 33 '''Execute remote shell commands on device. 34 35 Args: 36 command: string or a list of string, shell commands to execute on 37 device. 38 no_except: bool, if set to True, no exception will be thrown and 39 error code will be -1 with error message on stderr. 40 41 Returns: 42 A dictionary containing shell command execution results 43 ''' 44 if not self.enabled: 45 # TODO(yuexima): use adb shell instead when RPC is disabled 46 return { 47 const.STDOUT: [""] * len(command), 48 const.STDERR: 49 ["VTS remote shell has been disabled."] * len(command), 50 const.EXIT_CODE: [-2] * len(command) 51 } 52 return self._client.ExecuteShellCommand(command, no_except) 53 54 def CleanUp(self): 55 self._client.Disconnect() 56
