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@@ -18,14 +18,13 @@
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# You should have received a copy of the GNU Lesser General Public License along
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# with this program; if not, see <http://www.gnu.org/licenses/>.
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-""" GUI daemon launcher tool"""
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+""" GUI/AUDIO daemon launcher tool"""
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import os
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import signal
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import subprocess
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import asyncio
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import re
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-
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import functools
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import xcffib
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import xcffib.xproto # pylint: disable=unused-import
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@@ -46,6 +45,7 @@ except ImportError:
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pass
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GUI_DAEMON_PATH = '/usr/bin/qubes-guid'
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+PACAT_DAEMON_PATH = '/usr/bin/pacat-simple-vchan'
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QUBES_ICON_DIR = '/usr/share/icons/hicolor/128x128/devices'
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# "LVDS connected 1024x768+0+0 (normal left inverted right) 304mm x 228mm"
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@@ -113,17 +113,77 @@ def get_monitor_layout():
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return outputs
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-class GUILauncher(object):
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- """Launch GUI daemon for VMs"""
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+class DAEMONLauncher:
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+ """Launch GUI/AUDIO daemon for VMs"""
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def __init__(self, app: qubesadmin.app.QubesBase):
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- """ Initialize GUILauncher.
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+ """ Initialize DAEMONLauncher.
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:param app: :py:class:`qubesadmin.Qubes` instance
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"""
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self.app = app
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self.started_processes = {}
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+ @asyncio.coroutine
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+ def send_monitor_layout(self, vm, layout=None, startup=False):
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+ """Send monitor layout to a given VM
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+
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+ This function is a coroutine.
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+
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+ :param vm: VM to which send monitor layout
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+ :param layout: monitor layout to send; if None, fetch it from
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+ local X server.
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+ :param startup:
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+ :return: None
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+ """
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+ # pylint: disable=no-self-use
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+ if vm.features.check_with_template('no-monitor-layout', False) \
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+ or not vm.is_running():
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+ return
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+
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+ if layout is None:
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+ layout = get_monitor_layout()
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+ if not layout:
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+ return
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+
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+ vm.log.info('Sending monitor layout')
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+
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+ if not startup:
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+ with open(self.guid_pidfile(vm.xid)) as pidfile:
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+ pid = int(pidfile.read())
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+ os.kill(pid, signal.SIGHUP)
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+ try:
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+ with open(self.guid_pidfile(vm.stubdom_xid)) as pidfile:
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+ pid = int(pidfile.read())
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+ os.kill(pid, signal.SIGHUP)
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+ except FileNotFoundError:
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+ pass
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+
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+ try:
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+ yield from asyncio.get_event_loop(). \
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+ run_in_executor(None,
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+ functools.partial(
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+ vm.run_service_for_stdio,
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+ 'qubes.SetMonitorLayout',
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+ input=''.join(layout).encode(),
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+ autostart=False))
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+ except subprocess.CalledProcessError as e:
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+ vm.log.warning('Failed to send monitor layout: %s', e.stderr)
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+
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+ def send_monitor_layout_all(self):
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+ """Send monitor layout to all (running) VMs"""
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+ monitor_layout = get_monitor_layout()
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+ for vm in self.app.domains:
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+ if getattr(vm, 'guivm', None) != vm.app.local_name:
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+ continue
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+ if vm.klass == 'AdminVM':
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+ continue
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+ if vm.is_running():
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+ if not vm.features.check_with_template('gui', True):
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+ continue
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+ asyncio.ensure_future(self.send_monitor_layout(vm,
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+ monitor_layout))
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+
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@staticmethod
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def kde_guid_args(vm):
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"""Return KDE-specific arguments for gui-daemon, if applicable"""
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@@ -181,9 +241,14 @@ class GUILauncher(object):
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@staticmethod
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def guid_pidfile(xid):
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- """Helper function to construct a pidfile path"""
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+ """Helper function to construct a GUI pidfile path"""
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return '/var/run/qubes/guid-running.{}'.format(xid)
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+ @staticmethod
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+ def pacat_pidfile(xid):
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+ """Helper function to construct an AUDIO pidfile path"""
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+ return '/var/run/qubes/pacat-running.{}'.format(xid)
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+
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@asyncio.coroutine
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def start_gui_for_vm(self, vm, monitor_layout=None):
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"""Start GUI daemon (qubes-guid) connected directly to a VM
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@@ -241,6 +306,20 @@ class GUILauncher(object):
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yield from asyncio.create_subprocess_exec(*guid_cmd)
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+ @asyncio.coroutine
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+ def start_audio_for_vm(self, vm):
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+ """Start AUDIO daemon (pacat-simple-vchan) connected directly to a VM
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+
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+ This function is a coroutine.
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+
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+ :param vm: VM for which start AUDIO daemon
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+ """
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+ # pylint: disable=no-self-use
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+ pacat_cmd = [PACAT_DAEMON_PATH, vm.xid, vm.name]
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+ vm.log.info('Starting AUDIO')
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+
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+ yield from asyncio.create_subprocess_exec(*pacat_cmd)
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+
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@asyncio.coroutine
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def start_gui(self, vm, force_stubdom=False, monitor_layout=None):
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"""Start GUI daemon regardless of start event.
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@@ -267,64 +346,23 @@ class GUILauncher(object):
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yield from self.start_gui_for_vm(vm, monitor_layout=monitor_layout)
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@asyncio.coroutine
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- def send_monitor_layout(self, vm, layout=None, startup=False):
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- """Send monitor layout to a given VM
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+ def start_audio(self, vm):
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+ """Start AUDIO daemon regardless of start event.
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This function is a coroutine.
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- :param vm: VM to which send monitor layout
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- :param layout: monitor layout to send; if None, fetch it from
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- local X server.
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- :param startup:
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- :return: None
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+ :param vm: VM for which AUDIO daemon should be started
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"""
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- # pylint: disable=no-self-use
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- if vm.features.check_with_template('no-monitor-layout', False) \
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- or not vm.is_running():
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+ audiovm = getattr(vm, 'audiovm', None)
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+ if audiovm != vm.app.local_name:
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+ vm.log.info('AUDIO connected to {}. Skipping.'.format(audiovm))
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return
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- if layout is None:
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- layout = get_monitor_layout()
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- if not layout:
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- return
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-
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- vm.log.info('Sending monitor layout')
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-
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- if not startup:
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- with open(self.guid_pidfile(vm.xid)) as pidfile:
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- pid = int(pidfile.read())
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- os.kill(pid, signal.SIGHUP)
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- try:
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- with open(self.guid_pidfile(vm.stubdom_xid)) as pidfile:
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- pid = int(pidfile.read())
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- os.kill(pid, signal.SIGHUP)
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- except FileNotFoundError:
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- pass
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-
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- try:
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- yield from asyncio.get_event_loop(). \
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- run_in_executor(None,
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- functools.partial(
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- vm.run_service_for_stdio,
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- 'qubes.SetMonitorLayout',
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- input=''.join(layout).encode(),
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- autostart=False))
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- except subprocess.CalledProcessError as e:
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- vm.log.warning('Failed to send monitor layout: %s', e.stderr)
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+ if not vm.features.check_with_template('audio', True):
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+ return
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- def send_monitor_layout_all(self):
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- """Send monitor layout to all (running) VMs"""
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- monitor_layout = get_monitor_layout()
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- for vm in self.app.domains:
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- if getattr(vm, 'guivm', None) != vm.app.local_name:
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- continue
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- if vm.klass == 'AdminVM':
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- continue
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- if vm.is_running():
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- if not vm.features.check_with_template('gui', True):
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- continue
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- asyncio.ensure_future(self.send_monitor_layout(vm,
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- monitor_layout))
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+ if not os.path.exists(self.pacat_pidfile(vm.xid)):
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+ yield from self.start_audio_for_vm(vm)
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def on_domain_spawn(self, vm, _event, **kwargs):
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"""Handler of 'domain-spawn' event, starts GUI daemon for stubdomain"""
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@@ -340,7 +378,8 @@ class GUILauncher(object):
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vm.log.warning('Failed to start GUI for %s: %s', vm.name, str(e))
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def on_domain_start(self, vm, _event, **kwargs):
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- """Handler of 'domain-start' event, starts GUI daemon for actual VM"""
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+ """Handler of 'domain-start' event, starts GUI/AUDIO daemon for
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+ actual VM """
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try:
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if getattr(vm, 'guivm', None) != vm.app.local_name:
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return
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@@ -351,8 +390,18 @@ class GUILauncher(object):
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except qubesadmin.exc.QubesException as e:
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vm.log.warning('Failed to start GUI for %s: %s', vm.name, str(e))
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+ try:
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+ if getattr(vm, 'audiovm', None) != vm.app.local_name:
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+ return
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+ if not vm.features.check_with_template('audio', True):
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+ return
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+ if kwargs.get('start_audio', 'True') == 'True':
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+ asyncio.ensure_future(self.start_audio_for_vm(vm))
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+ except qubesadmin.exc.QubesException as e:
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+ vm.log.warning('Failed to start AUDIO for %s: %s', vm.name, str(e))
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+
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def on_connection_established(self, _subject, _event, **_kwargs):
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- """Handler of 'connection-established' event, used to launch GUI
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+ """Handler of 'connection-established' event, used to launch GUI/AUDIO
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daemon for domains started before this tool. """
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monitor_layout = get_monitor_layout()
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@@ -360,19 +409,23 @@ class GUILauncher(object):
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for vm in self.app.domains:
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if vm.klass == 'AdminVM':
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continue
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- if getattr(vm, 'guivm', None) != vm.app.local_name:
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- continue
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- if not vm.features.check_with_template('gui', True):
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- continue
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- power_state = vm.get_power_state()
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- if power_state == 'Running':
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- asyncio.ensure_future(
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- self.start_gui(vm, monitor_layout=monitor_layout))
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- elif power_state == 'Transient':
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- # it is still starting, we'll get 'domain-start' event when
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- # fully started
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- if vm.virt_mode == 'hvm':
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- asyncio.ensure_future(self.start_gui_for_stubdomain(vm))
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+ if getattr(vm, 'guivm', None) == vm.app.local_name:
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+ if vm.features.check_with_template('gui', True):
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+ power_state = vm.get_power_state()
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+ if power_state == 'Running':
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+ asyncio.ensure_future(
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+ self.start_gui(vm, monitor_layout=monitor_layout))
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+ elif power_state == 'Transient':
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+ # it is still starting, we'll get 'domain-start'
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+ # event when fully started
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+ if vm.virt_mode == 'hvm':
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+ asyncio.ensure_future(
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+ self.start_gui_for_stubdomain(vm))
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+ if getattr(vm, 'audiovm', None) == vm.app.local_name:
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+ if vm.features.check_with_template('audio', True):
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+ power_state = vm.get_power_state()
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+ if power_state == 'Running':
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+ asyncio.ensure_future(self.start_audio(vm))
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def register_events(self, events):
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"""Register domain startup events in app.events dispatcher"""
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@@ -394,10 +447,10 @@ def x_reader(conn, callback):
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if 'XDG_RUNTIME_DIR' in os.environ:
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pidfile_path = os.path.join(os.environ['XDG_RUNTIME_DIR'],
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- 'qvm-start-gui.pid')
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+ 'qvm-start-daemon.pid')
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else:
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pidfile_path = os.path.join(os.environ.get('HOME', '/'),
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- '.qvm-start-gui.pid')
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+ '.qvm-start-daemon.pid')
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parser = qubesadmin.tools.QubesArgumentParser(
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description='start GUI for qube(s)', vmname_nargs='*')
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@@ -415,13 +468,13 @@ parser.add_argument('--notify-monitor-layout', action='store_true',
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def main(args=None):
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- """ Main function of qvm-start-gui tool"""
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+ """ Main function of qvm-start-daemon tool"""
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args = parser.parse_args(args)
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if args.watch and not args.all_domains:
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parser.error('--watch option must be used with --all')
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if args.watch and args.notify_monitor_layout:
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parser.error('--watch cannot be used with --notify-monitor-layout')
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- launcher = GUILauncher(args.app)
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+ launcher = DAEMONLauncher(args.app)
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if args.watch:
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if not have_events:
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parser.error('--watch option require Python >= 3.5')
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@@ -468,6 +521,8 @@ def main(args=None):
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if vm.is_running():
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tasks.append(asyncio.ensure_future(launcher.start_gui(
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vm, force_stubdom=args.force_stubdomain)))
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+ tasks.append(asyncio.ensure_future(launcher.start_audio(
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+ vm)))
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if tasks:
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loop.run_until_complete(asyncio.wait(tasks))
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loop.stop()
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Frédéric Pierret (fepitre)