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      1 #!/usr/bin/python3
      2 #
      3 # Copyright (C) 2017 The Android Open Source Project
      4 #
      5 # Licensed under the Apache License, Version 2.0 (the 'License');
      6 # you may not use this file except in compliance with the License.
      7 # You may obtain a copy of the License at
      8 #
      9 #      http://www.apache.org/licenses/LICENSE-2.0
     10 #
     11 # Unless required by applicable law or agreed to in writing, software
     12 # distributed under the License is distributed on an 'AS IS' BASIS,
     13 # WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
     14 # See the License for the specific language governing permissions and
     15 # limitations under the License.
     16 #
     17 
     18 import functools
     19 import math
     20 import socket
     21 import subprocess
     22 import sys
     23 import tempfile
     24 
     25 from android_device import *
     26 
     27 
     28 def find_free_port():
     29     s = socket.socket()
     30     s.bind(('', 0))
     31     return int(s.getsockname()[1])
     32 
     33 
     34 class AVD(object):
     35     def __init__(self, name, emu_path):
     36         self._name = name
     37         self._emu_path = emu_path
     38         self._opts = ''
     39         self._adb_name = None
     40         self._emu_proc = None
     41 
     42     def start(self):
     43         if self._emu_proc:
     44             raise Exception('Emulator already running')
     45 
     46         port_adb = find_free_port()
     47         port_tty = find_free_port()
     48         # -no-window might be useful here
     49         if self._name == "local":
     50             emu_cmd = "emulator %s-ports %d,%d -gpu on -wipe-data" \
     51                       % (self._opts, port_adb, port_tty)
     52         else:
     53             emu_cmd = "%s -avd %s %s-ports %d,%d" \
     54                       % (self._emu_path, self._name, self._opts, port_adb, port_tty)
     55         print(emu_cmd)
     56 
     57         emu_proc = subprocess.Popen(emu_cmd.split(" "), bufsize=-1, stdout=subprocess.PIPE,
     58                                     stderr=subprocess.PIPE)
     59 
     60         # The emulator ought to be starting now.
     61         self._adb_name = "emulator-%d" % (port_tty - 1)
     62         self._emu_proc = emu_proc
     63 
     64     def stop(self):
     65         if not self._emu_proc:
     66             raise Exception('Emulator not currently running')
     67         self._emu_proc.kill()
     68         (out, err) = self._emu_proc.communicate()
     69         self._emu_proc = None
     70         return out, err
     71 
     72     def get_serial(self):
     73         if not self._emu_proc:
     74             raise Exception('Emulator not currently running')
     75         return self._adb_name
     76 
     77     def get_device(self):
     78         if not self._emu_proc:
     79             raise Exception('Emulator not currently running')
     80         return AndroidDevice(self._adb_name)
     81 
     82     def configure_screen(self, density, width_dp, height_dp):
     83         width_px = int(math.ceil(width_dp * density / 1600) * 10)
     84         height_px = int(math.ceil(height_dp * density / 1600) * 10)
     85         self._opts = "-prop qemu.sf.lcd_density=%d -skin %dx%d " % (density, width_px, height_px)
     86