def _createControlSocket():
''' Create the client control socket.
'''
socketFile = hlm_paths.controlSocket()
try:
# We first try to connect to the socket. If noone answers (file not found / connection refused)
# then we can safely assume it is a stale file.
clientSocket = None
try:
clientSocket = socket.socket(socket.AF_UNIX, socket.SOCK_STREAM)
clientSocket.settimeout(None)
clientSocket.connect(hlm_paths.controlSocket())
raise FatalError(
_('The HLM system daemon seems to be already running.'))
except SystemExit:
raise
except socket.error as exc:
if exc.errno == 2: # File not found
pass
elif exc.errno == 111: # Connection refused
# This is a stale file, just delete it
if __DEBUG__:
logDebug(
'Control socket file {0} already exists but is a stale file. Deleting it.'
.format(quote(socketFile)))
os.remove(socketFile)
else:
raise
clientSocket.shutdown(socket.SHUT_RDWR)
clientSocket.close()
# If we got this far then the socket file is available for us.
global _controlSocket
_controlSocket = socket.socket(socket.AF_UNIX, socket.SOCK_STREAM)
_controlSocket.settimeout(None)
_controlSocket.bind(socketFile)
os.chmod(socketFile, 0o666)
atexit.register(_closeControlSocket)
if __DEBUG__:
logDebug('Created control socket file {0}.'.format(
quote(socketFile)))
except SystemExit:
raise
except BaseException as exc:
raise FatalError(
_('Unable to create the socket file {0}: {1}').format(
quote(socketFile), exc))
def _createControlSocket():
''' Create the client control socket.
'''
socketFile = hlm_paths.controlSocket()
try:
# We first try to connect to the socket. If noone answers (file not found / connection refused)
# then we can safely assume it is a stale file.
clientSocket = None
try:
clientSocket = socket.socket(socket.AF_UNIX, socket.SOCK_STREAM)
clientSocket.settimeout(None)
clientSocket.connect(hlm_paths.controlSocket())
raise FatalError(_('The HLM system daemon seems to be already running.'))
except SystemExit:
raise
except socket.error as exc:
if exc.errno == 2: # File not found
pass
elif exc.errno == 111: # Connection refused
# This is a stale file, just delete it
if __DEBUG__: logDebug('Control socket file {0} already exists but is a stale file. Deleting it.'.format(quote(socketFile)))
os.remove(socketFile)
else:
raise
clientSocket.shutdown(socket.SHUT_RDWR)
clientSocket.close()
# If we got this far then the socket file is available for us.
global _controlSocket
_controlSocket = socket.socket(socket.AF_UNIX, socket.SOCK_STREAM)
_controlSocket.settimeout(None)
_controlSocket.bind(socketFile)
os.chmod(socketFile, 0o666)
atexit.register(_closeControlSocket)
if __DEBUG__: logDebug('Created control socket file {0}.'.format(quote(socketFile)))
except SystemExit:
raise
except BaseException as exc:
raise FatalError(_('Unable to create the socket file {0}: {1}').format(quote(socketFile), exc))
def _closeControlSocket():
try:
global _controlSocket
_controlSocket.close()
except SystemExit:
raise
except BaseException:
pass
try:
socketFile = hlm_paths.controlSocket()
os.remove(socketFile)
except SystemExit:
raise
except BaseException:
pass
def _closeControlSocket():
try:
global _controlSocket
_controlSocket.close()
except SystemExit:
raise
except BaseException:
pass
try:
socketFile = hlm_paths.controlSocket()
os.remove(socketFile)
except SystemExit:
raise
except BaseException:
pass
def __init__(self):
try:
self.__socket = socket.socket(socket.AF_UNIX, socket.SOCK_STREAM)
self.__socket.settimeout(None)
self.__socket.connect(hlm_paths.controlSocket())
self.__file = self.__socket.makefile(mode = 'rw')
if __DEBUG__: logDebug('Created client socket #{0}.'.format(self.__socket.fileno()))
except SystemExit:
raise
except socket.error as exc:
if exc.errno == 2: # File not found
pass
elif exc.errno == 111: # Connection refused
pass
else:
_socketError(exc, 'connect()')
raise FatalError(_('Could not connect to the HLM system daemon. Is it running?'))
except BaseException as exc:
_socketError(exc, 'connect()')
