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Side by Side Diff: build/android/host_heartbeat.py

Issue 2101243005: Add a snapshot of flutter/engine/src/build to our sdk (Closed) Base URL: git@github.com:dart-lang/sdk.git@master
Patch Set: add README.dart Created 4 years, 5 months ago
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1 #!/usr/bin/env python
2 #
3 # Copyright (c) 2013 The Chromium Authors. All rights reserved.
4 # Use of this source code is governed by a BSD-style license that can be
5 # found in the LICENSE file.
6
7 """Sends a heart beat pulse to the currently online Android devices.
8 This heart beat lets the devices know that they are connected to a host.
9 """
10 # pylint: disable=W0702
11
12 import sys
13 import time
14
15 from pylib.device import device_utils
16
17 PULSE_PERIOD = 20
18
19 def main():
20 while True:
21 try:
22 devices = device_utils.DeviceUtils.HealthyDevices()
23 for d in devices:
24 d.RunShellCommand(['touch', '/sdcard/host_heartbeat'],
25 check_return=True)
26 except:
27 # Keep the heatbeat running bypassing all errors.
28 pass
29 time.sleep(PULSE_PERIOD)
30
31
32 if __name__ == '__main__':
33 sys.exit(main())
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