def init_process(self):
"""\
If you override this method in a subclass, the last statement
in the function should be to call this method with
super(MyWorkerClass, self).init_process() so that the ``run()``
loop is initiated.
"""
util.set_owner_process(self.conf.get("uid", os.geteuid()), self.conf.get("gid", os.getegid()))
# Reseed the random number generator
util.seed()
# For waking ourselves up
self._PIPE = os.pipe()
map(util.set_non_blocking, self._PIPE)
map(util.close_on_exec, self._PIPE)
# Prevent fd inherientence
util.close_on_exec(self.tmp.fileno())
self.init_signals()
self.on_init_process()
# Enter main run loop
self.booted = True
self.run()
def init_process(self):
"""\
If you override this method in a subclass, the last statement
in the function should be to call this method with
super(MyWorkerClass, self).init_process() so that the ``run()``
loop is initiated.
"""
# set current pid
self.pid = os.getpid()
util.set_owner_process(self.conf.get("uid", os.geteuid()),
self.conf.get("gid", os.getegid()))
# Reseed the random number generator
util.seed()
# prevent fd inheritance
util.close_on_exec(self.tmp.fileno())
# init signals
self.init_signals()
util._setproctitle("arbiter [%s]" % self.name)
self.on_init_process()
log.debug("Arbiter %s booted on %s", self.name, self.pid)
self.when_ready()
# Enter main run loop
self.booted = True
self.run()
def init_process(self):
"""\
If you override this method in a subclass, the last statement
in the function should be to call this method with
super(MyWorkerClass, self).init_process() so that the ``run()``
loop is initiated.
"""
# set current pid
self.pid = os.getpid()
util.set_owner_process(self.conf.get("uid", os.geteuid()),
self.conf.get("gid", os.getegid()))
# Reseed the random number generator
util.seed()
# prevent fd inheritance
util.close_on_exec(self.tmp.fileno())
# init signals
self.init_signals()
util._setproctitle("arbiter [%s]" % self.name)
self.on_init_process()
log.debug("Arbiter %s booted on %s", self.name, self.pid)
self.when_ready()
# Enter main run loop
self.booted = True
self.run()
def init_process(self):
"""\
If you override this method in a subclass, the last statement
in the function should be to call this method with
super(MyWorkerClass, self).init_process() so that the ``run()``
loop is initiated.
"""
util.set_owner_process(self.conf.get("uid", os.geteuid()),
self.conf.get("gid", os.getegid()))
# Reseed the random number generator
util.seed()
# For waking ourselves up
self._PIPE = os.pipe()
map(util.set_non_blocking, self._PIPE)
map(util.close_on_exec, self._PIPE)
# Prevent fd inherientence
util.close_on_exec(self.tmp.fileno())
self.init_signals()
self.on_init_process()
# Enter main run loop
self.booted = True
self.run()
def run(self):
self.socket.setblocking(0)
while self.alive:
self.notify()
# Accept a connection. If we get an error telling us
# that no connection is waiting we fall down to the
# select which is where we'll wait for a bit for new
# workers to come give us some love.
try:
client, addr = self.socket.accept()
client.setblocking(1)
util.close_on_exec(client)
self.handle(client, addr)
# Keep processing clients until no one is waiting. This
# prevents the need to select() for every client that we
# process.
continue
except socket.error as e:
if hasattr(e, 'errno'):
v_err = e.errno
else:
v_err = e[0]
if v_err not in (errno.EAGAIN, errno.ECONNABORTED):
raise
# If our parent changed then we shut down.
if self.ppid != os.getppid():
log.info("Parent changed, shutting down: %s", self)
return
try:
self.notify()
ret = select.select([self.socket], [], self._PIPE,
self.timeout / 2.0)
if ret[0]:
continue
except select.error as e:
if hasattr(e, 'errno'):
v_err = e.errno
else:
v_err = e[0]
if v_err == errno.EINTR:
continue
if v_err == errno.EBADF:
if self.nr < 0:
continue
else:
return
raise
def run(self):
self.socket.setblocking(0)
while self.alive:
self.notify()
# Accept a connection. If we get an error telling us
# that no connection is waiting we fall down to the
# select which is where we'll wait for a bit for new
# workers to come give us some love.
try:
client, addr = self.socket.accept()
client.setblocking(1)
util.close_on_exec(client)
self.handle(client, addr)
# Keep processing clients until no one is waiting. This
# prevents the need to select() for every client that we
# process.
continue
except socket.error, e:
if e[0] not in (errno.EAGAIN, errno.ECONNABORTED):
raise
# If our parent changed then we shut down.
if self.ppid != os.getppid():
log.info("Parent changed, shutting down: %s", self)
return
try:
self.notify()
ret = select.select([self.socket], [], self._PIPE,
self.timeout / 2.0)
if ret[0]:
continue
except select.error, e:
if e[0] == errno.EINTR:
continue
if e[0] == errno.EBADF:
if self.nr < 0:
continue
else:
return
raise
def on_init_process(self):
self.socket = self.conf.get('sock')
self.address = self.socket.getsockname()
util.close_on_exec(self.socket)
def on_init_process(self):
self.socket = self.conf.get('sock')
self.address = self.socket.getsockname()
util.close_on_exec(self.socket)
