def wait(self):
"""Loop waiting on children to die and respawning as necessary."""
systemd.notify_once()
LOG.debug("Full set of CONF:")
CONF.log_opt_values(LOG, std_logging.DEBUG)
try:
while True:
self.handle_signal()
self._respawn_children()
# No signal means that stop was called. Don't clean up here.
if not self.sigcaught:
return
signame = _signo_to_signame(self.sigcaught)
LOG.info(_LI("Caught %s, stopping children"), signame)
if not _is_sighup_and_daemon(self.sigcaught):
break
for pid in self.children:
os.kill(pid, signal.SIGHUP)
self.running = True
self.sigcaught = None
except eventlet.greenlet.GreenletExit:
LOG.info(_LI("Wait called after thread killed. Cleaning up."))
self.stop()
def wait(self):
"""Loop waiting on children to die and respawning as necessary."""
systemd.notify_once()
LOG.debug('Full set of CONF:')
CONF.log_opt_values(LOG, std_logging.DEBUG)
try:
while True:
self.handle_signal()
self._respawn_children()
# No signal means that stop was called. Don't clean up here.
if not self.sigcaught:
return
signame = _signo_to_signame(self.sigcaught)
LOG.info(_LI('Caught %s, stopping children'), signame)
if not _is_sighup_and_daemon(self.sigcaught):
break
for pid in self.children:
os.kill(pid, signal.SIGHUP)
self.running = True
self.sigcaught = None
except eventlet.greenlet.GreenletExit:
LOG.info(_LI("Wait called after thread killed. Cleaning up."))
self.stop()
def wait(self, ready_callback=None):
systemd.notify_once()
while True:
self.handle_signal()
status, signo = self._wait_for_exit_or_signal(ready_callback)
if not _is_sighup_and_daemon(signo):
return status
self.restart()
def wait(self, ready_callback=None):
systemd.notify_once()
while True:
self.handle_signal()
status, signo = self._wait_for_exit_or_signal(ready_callback)
if not _is_sighup_and_daemon(signo):
return status
self.restart()
def start(self, application, port, host='0.0.0.0', workers=0):
"""Run a WSGI server with the given application."""
self._host = host
self._port = port
backlog = CONF.backlog
self._socket = self._get_socket(self._host,
self._port,
backlog=backlog)
if workers < 1:
# For the case where only one process is required.
self._server = self.pool.spawn(self._run, application,
self._socket)
systemd.notify_once()
else:
# Minimize the cost of checking for child exit by extending the
# wait interval past the default of 0.01s.
self._launcher = common_service.ProcessLauncher(wait_interval=1.0)
self._server = WorkerService(self, application)
self._launcher.launch_service(self._server, workers=workers)
def start(self, application, port, host='0.0.0.0', workers=0):
"""Run a WSGI server with the given application."""
self._host = host
self._port = port
backlog = CONF.backlog
self._socket = self._get_socket(self._host,
self._port,
backlog=backlog)
if workers < 1:
# For the case where only one process is required.
self._server = self.pool.spawn(self._run, application,
self._socket)
systemd.notify_once()
else:
# Minimize the cost of checking for child exit by extending the
# wait interval past the default of 0.01s.
self._launcher = common_service.ProcessLauncher(wait_interval=1.0)
self._server = WorkerService(self, application)
self._launcher.launch_service(self._server, workers=workers)
