1 files changed, 63 insertions, 0 deletions
diff --git a/startop/scripts/app_startup/lib/adb_utils.py b/startop/scripts/app_startup/lib/adb_utils.py
new file mode 100644
index 000000000000..00e2e9995863
--- /dev/null
+++ b/startop/scripts/app_startup/lib/adb_utils.py
@@ -0,0 +1,63 @@
+#!/usr/bin/env python3
+#
+# Copyright 2019, The Android Open Source Project
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#     http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
+"""Helper util libraries for calling adb command line."""
+
+import os
+import sys
+
+sys.path.append(os.path.dirname(os.path.dirname(os.path.dirname(
+  os.path.abspath(__file__)))))
+import lib.cmd_utils as cmd_utils
+
+def logcat_save_timestamp() -> str:
+  """Gets the current logcat timestamp.
+
+  Returns:
+    A string of timestamp.
+  """
+  _, output = cmd_utils.run_adb_shell_command(
+    "date -u +\'%Y-%m-%d %H:%M:%S.%N\'")
+  return output
+
+def vm_drop_cache():
+  """Free pagecache and slab object."""
+  cmd_utils.run_adb_shell_command('echo 3 > /proc/sys/vm/drop_caches')
+
+def root():
+  """Roots adb and successive adb commands will run under root."""
+  cmd_utils.run_shell_command('adb root')
+
+def disable_selinux():
+  """Disables selinux setting."""
+  _, output = cmd_utils.run_adb_shell_command('getenforce')
+  if output == 'Permissive':
+    return
+
+  print('Disable selinux permissions and restart framework.')
+  cmd_utils.run_adb_shell_command('setenforce 0')
+  cmd_utils.run_adb_shell_command('stop')
+  cmd_utils.run_adb_shell_command('start')
+  cmd_utils.run_shell_command('adb wait-for-device')
+
+def pkill(procname: str):
+  """Kills a process in device by its package name."""
+  _, pids = cmd_utils.run_shell_command('adb shell ps | grep "{}" | '
+                                        'awk \'{{print $2;}}\''.
+                                          format(procname))
+
+  for pid in pids.split('\n'):
+    cmd_utils.run_adb_shell_command('kill {}'.format(pid))