| # Copyright (c) 2013 The Chromium OS Authors. All rights reserved. |
| # Use of this source code is governed by a BSD-style license that can be |
| # found in the LICENSE file. |
| import logging |
| import re |
| import time |
| |
| import common |
| |
| from autotest_lib.client.common_lib import error |
| from autotest_lib.client.common_lib.cros import retry |
| from autotest_lib.server import utils |
| from autotest_lib.server.hosts import abstract_ssh |
| |
| |
| SHELL_CMD = 'shell' |
| # Regex to find an adb device. Examples: |
| # 0146B5580B01801B device |
| # 018e0ecb20c97a62 device |
| # 172.22.75.141:5555 device |
| DEVICE_FINDER_REGEX = ('^(?P<SERIAL>([\w]+)|(\d{1,3}.\d{1,3}.\d{1,3}.\d{1,3}))' |
| '([:]5555)?[ \t]+device') |
| CMD_OUTPUT_PREFIX = 'ADB_CMD_OUTPUT' |
| CMD_OUTPUT_REGEX = ('(?P<OUTPUT>[\s\S]*)%s:(?P<EXIT_CODE>\d{1,3})' % |
| CMD_OUTPUT_PREFIX) |
| |
| |
| class ADBHost(abstract_ssh.AbstractSSHHost): |
| """This class represents a host running an ADB server.""" |
| |
| |
| @staticmethod |
| def check_host(host, timeout=10): |
| """ |
| Check if the given host is an adb host. |
| |
| @param host: An ssh host representing a device. |
| @param timeout: The timeout for the run command. |
| |
| |
| @return: True if the host device has adb. |
| |
| @raises AutoservRunError: If the command failed. |
| @raises AutoservSSHTimeout: Ssh connection has timed out. |
| """ |
| try: |
| result = host.run('which adb 2> /dev/null', timeout=timeout) |
| except (error.AutoservRunError, error.AutoservSSHTimeout): |
| return False |
| return result.exit_status == 0 |
| |
| |
| def _initialize(self, hostname='localhost', serial=None, |
| device_hostname=None, *args, **dargs): |
| """Initialize an ADB Host. |
| |
| This will create an ADB Host. Hostname should always refer to the |
| host machine connected to an android device. This will either be the |
| only android device connected or if there are multiple, serial must be |
| specified. If device_hostname is supplied then all ADB commands will |
| run over TCP/IP. |
| |
| @param hostname: Hostname of the machine running ADB. |
| @param serial: Serial number of the android device we want to interact |
| with. |
| @param device_hostname: Hostname or IP of the android device we want to |
| interact with. If supplied all ADB interactions |
| run over TCP/IP. |
| |
| """ |
| super(ADBHost, self)._initialize(hostname=hostname, *args, **dargs) |
| logging.debug('Initializing ADB Host running on host: %s.', hostname) |
| logging.debug('Android Device: Serial:%s, Hostname: %s', |
| serial, device_hostname) |
| self._device_hostname = device_hostname |
| self._use_tcpip = False |
| self._local_adb = False |
| if hostname == 'localhost': |
| self._local_adb = True |
| |
| self._serial = serial |
| if not self._serial: |
| logging.debug('Serial not provided determining...') |
| # Ensure only one device is attached to this host. |
| devices = self.adb_devices() |
| if not devices: |
| raise error.AutoservError('No ADB devices attached.') |
| if len(devices) > 1: |
| raise error.AutoservError('Multiple ADB devices attached.') |
| self._serial = devices[0] |
| logging.debug('Using serial: %s', self._serial) |
| |
| if self._device_hostname: |
| logging.debug('Device Hostname provided. Connecting over TCP/IP') |
| self._connect_over_tcpip() |
| self._use_tcpip = True |
| |
| |
| def _connect_over_tcpip(self,): |
| """Connect to the ADB device over tcpip |
| |
| @param device_hostname: Device hostname or IP for which we want to |
| connect to. If none, will use |
| self._device_hostname |
| |
| """ |
| if self._device_hostname in self.adb_devices(): |
| # We previously had a connection to this device, restart the ADB |
| # server. |
| self._adb_run('kill-server') |
| # Ensure that connection commands don't run over TCP/IP. |
| self._use_tcpip = False |
| self._adb_run('tcpip 5555', use_serial=True, timeout=10, |
| ignore_timeout=True) |
| time.sleep(2) |
| try: |
| self._adb_run('connect %s' % self._device_hostname, use_serial=True) |
| except (error.AutoservRunError, error.CmdError) as e: |
| raise error.AutoservError('Failed to connect via TCP/IP: %s' % e) |
| # Allow ADB a bit of time after connecting before interacting with the |
| # device. |
| time.sleep(5) |
| # Switch back to using TCP/IP. |
| self._use_tcpip = True |
| |
| |
| def _adb_run(self, command, shell=False, use_serial=False, timeout=3600, |
| ignore_status=False, ignore_timeout=False, |
| stdout=utils.TEE_TO_LOGS, stderr=utils.TEE_TO_LOGS, |
| connect_timeout=30, options='', stdin=None, args=()): |
| """Runs an adb command. |
| |
| This command may launch on the adb device or on the adb host. |
| |
| @param command: Command to run. |
| @param shell: If true the command runs in the adb shell otherwise if |
| False it will be passed directly to adb. For example |
| reboot with shell=False will call 'adb reboot'. |
| @param use_serial: Use the adb device serial to specify the device |
| the command will run on. |
| @param timeout: Time limit in seconds before attempting to |
| kill the running process. The run() function |
| will take a few seconds longer than 'timeout' |
| to complete if it has to kill the process. |
| @param ignore_status: Do not raise an exception, no matter |
| what the exit code of the command is. |
| @param ignore_timeout: Bool True if command timeouts should be |
| ignored. Will return None on command timeout. |
| @param stdout: Redirect stdout. |
| @param stderr: Redirect stderr. |
| @param connect_timeout: Connection timeout (in seconds) |
| @param options: String with additional ssh command options |
| @param stdin: Stdin to pass (a string) to the executed command |
| @param args: Sequence of strings to pass as arguments to command by |
| quoting them in " and escaping their contents if |
| necessary. |
| |
| @returns a CMDResult object. |
| |
| """ |
| cmd = 'adb ' |
| if self._use_tcpip and not use_serial: |
| cmd += '-s %s:5555 ' % self._device_hostname |
| elif self._serial: |
| cmd += '-s %s ' % self._serial |
| if shell: |
| cmd += '%s ' % SHELL_CMD |
| cmd += command |
| |
| for arg in args: |
| cmd += '%s ' % utils.sh_escape(arg) |
| logging.debug('Command: %s', cmd) |
| |
| if self._local_adb: |
| return utils.run( |
| command=cmd, timeout=timeout, ignore_status=ignore_status, |
| ignore_timeout=ignore_timeout, stdout_tee=stdout, |
| stderr_tee=stderr, stdin=stdin, args=args) |
| else: |
| return super(ADBHost, self).run( |
| command=cmd, timeout=timeout, ignore_status=ignore_status, |
| ignore_timeout=ignore_timeout, stdout_tee=stdout, |
| options=options, stdin=stdin, |
| connect_timeout=connect_timeout, args=args) |
| |
| |
| def get_board(self): |
| return 'adb' |
| |
| |
| def job_start(self): |
| """ |
| Disable log collection on adb_hosts. |
| |
| TODO(sbasi): crbug.com/305427 |
| |
| """ |
| |
| |
| def run(self, command, timeout=3600, ignore_status=False, |
| ignore_timeout=False, stdout_tee=utils.TEE_TO_LOGS, |
| stderr_tee=utils.TEE_TO_LOGS, connect_timeout=30, options='', |
| stdin=None, args=()): |
| """Run a command on the adb device. |
| |
| The command given will be ran directly on the adb device; for example |
| 'ls' will be ran as: 'abd shell ls' |
| |
| @param command: The command line string. |
| @param timeout: Time limit in seconds before attempting to |
| kill the running process. The run() function |
| will take a few seconds longer than 'timeout' |
| to complete if it has to kill the process. |
| @param ignore_status: Do not raise an exception, no matter |
| what the exit code of the command is. |
| @param ignore_timeout: Bool True if command timeouts should be |
| ignored. Will return None on command timeout. |
| @param stdout_tee: Redirect stdout. |
| @param stderr_tee: Redirect stderr. |
| @param connect_timeout: Connection timeout (in seconds). |
| @param options: String with additional ssh command options. |
| @param stdin: Stdin to pass (a string) to the executed command |
| @param args: Sequence of strings to pass as arguments to command by |
| quoting them in " and escaping their contents if |
| necessary. |
| |
| @returns A CMDResult object or None if the call timed out and |
| ignore_timeout is True. |
| |
| @raises AutoservRunError: If the command failed. |
| @raises AutoservSSHTimeout: Ssh connection has timed out. |
| |
| """ |
| command = '"%s; echo %s:\$?"' % (command, CMD_OUTPUT_PREFIX) |
| result = self._adb_run( |
| command, shell=True, use_serial=False, timeout=timeout, |
| ignore_status=ignore_status, ignore_timeout=ignore_timeout, |
| stdout=stdout_tee, stderr=stderr_tee, |
| connect_timeout=connect_timeout, options=options, stdin=stdin, |
| args=args) |
| if not result: |
| # In case of timeouts. |
| return None |
| |
| parse_output = re.match(CMD_OUTPUT_REGEX, result.stdout) |
| if not parse_output: |
| raise error.AutoservRunError( |
| 'Failed to parse the exit code for command: %s' % command, |
| result) |
| result.stdout = parse_output.group('OUTPUT') |
| result.exit_status = int(parse_output.group('EXIT_CODE')) |
| if result.exit_status != 0 and not ignore_status: |
| raise error.AutoservRunError(command, result) |
| return result |
| |
| |
| def host_run(self, command, timeout=3600, ignore_status=False, |
| ignore_timeout=False, stdout_tee=utils.TEE_TO_LOGS, |
| stderr_tee=utils.TEE_TO_LOGS, connect_timeout=30, options='', |
| stdin=None, args=()): |
| """Run a non-adb command on the ADB host. |
| |
| Useful if packages need to be staged prior to use via ADB. |
| |
| @param command: The command line string. |
| @param timeout: Time limit in seconds before attempting to |
| kill the running process. The run() function |
| will take a few seconds longer than 'timeout' |
| to complete if it has to kill the process. |
| @param ignore_status: Do not raise an exception, no matter |
| what the exit code of the command is. |
| @param ignore_timeout: Bool True if command timeouts should be |
| ignored. Will return None on command timeout. |
| @param stdout_tee: Redirect stdout. |
| @param stderr_tee: Redirect stderr. |
| @param connect_timeout: Connection timeout (in seconds) |
| @param options: String with additional ssh command options |
| @param stdin: Stdin to pass (a string) to the executed command |
| @param args: Sequence of strings to pass as arguments to command by |
| quoting them in " and escaping their contents if necessary |
| |
| @returns A CMDResult object or None if the call timed out and |
| ignore_timeout is True. |
| |
| """ |
| if self._local_adb: |
| return utils.run( |
| command=command, timeout=timeout, |
| ignore_status=ignore_status, stdout_tee=stdout_tee, |
| stderr_tee=stderr_tee, stdin=stdin, args=args, |
| ignore_timeout=ignore_timeout) |
| return super(ADBHost, self).run( |
| command=command, timeout=timeout, ignore_status=ignore_status, |
| stdout_tee=stdout_tee, options=options, stdin=stdin, |
| connect_timeout=connect_timeout, args=args, |
| ignore_timeout=ignore_timeout) |
| |
| |
| def reboot(self): |
| """Reboot the android device connected to this host. |
| |
| Reboots the device over ADB. |
| |
| @raises AutoservRebootError if reboot failed. |
| |
| """ |
| # Not calling super.reboot() as we want to reboot the ADB device not |
| # the host we are running ADB on. |
| self._adb_run('reboot', timeout=10, ignore_timeout=True) |
| if not self.wait_down(timeout=10): |
| raise error.AutoservRebootError( |
| 'ADB Device is still up after reboot') |
| if not self.wait_up(timeout=30): |
| raise error.AutoservRebootError( |
| 'ADB Device failed to return from reboot.') |
| if self._use_tcpip: |
| # Reconnect via TCP/IP. |
| self._connect_over_tcpip() |
| |
| |
| def wait_down(self, timeout=None, warning_timer=None, old_boot_id=None): |
| """Wait till the host goes down. |
| |
| Overrides wait_down from AbstractSSHHost. |
| |
| @param timeout: Time in seconds to wait for the host to go down. |
| @param warning_timer: Time limit in seconds that will generate |
| a warning if the host is not down yet. |
| Currently ignored. |
| @param old_boot_id: Not applicable for adb_host |
| |
| @returns True if the device goes down before the timeout, False |
| otherwise. |
| |
| """ |
| @retry.retry(error.TimeoutException, timeout_min=timeout/60.0, |
| delay_sec=1) |
| def _wait_down(): |
| if self.is_up(): |
| raise error.TimeoutException('Device is still up.') |
| return True |
| |
| try: |
| _wait_down() |
| logging.debug('Host %s is now down', self.hostname) |
| return True |
| except error.TimeoutException: |
| logging.debug('Host %s is still up after waiting %d seconds', |
| self.hostname, timeout) |
| return False |
| |
| |
| def adb_devices(self): |
| """Get a list of devices currently attached to this adb host.""" |
| result = self._adb_run('devices', use_serial=True) |
| devices = [] |
| for line in result.stdout.splitlines(): |
| match = re.search(DEVICE_FINDER_REGEX, |
| line) |
| if match: |
| logging.debug('Found Device: %s', match.group('SERIAL')) |
| devices.append(match.group('SERIAL')) |
| return devices |
| |
| |
| def is_up(self, timeout=0): |
| """Determine if the specified adb device is up. |
| |
| @param timeout: Not currently used. |
| |
| @returns True if the device is detectable but ADB, False otherwise. |
| |
| """ |
| return self._serial in self.adb_devices() |
| |
| |
| def close(self): |
| """Close the host object. |
| |
| Called as the test ends. Will return the device to USB mode and kill |
| the ADB server. |
| |
| """ |
| if self._use_tcpip: |
| # Return the device to usb mode. |
| self.run('adb usb') |
| # TODO(sbasi) Originally, we would kill the server after each test to |
| # reduce the opportunity for bad server state to hang around. |
| # Unfortunately, there is a period of time after each kill during which |
| # the Android device becomes unusable, and if we start the next test |
| # too quickly, we'll get an error complaining about no ADB device |
| # attached. |
| #self._adb_run('kill-server') |
| return super(ADBHost, self).close() |
| |
| |
| def syslog(self, message, tag='autotest'): |
| """Logs a message to syslog on host. |
| |
| @param message String message to log into syslog |
| @param tag String tag prefix for syslog |
| |
| """ |
| self._adb_run('log -t "%s" "%s"' % (tag, message), shell=True) |
