def _sendUpdateAll(self):
logging.debug("Sending update to the mulsticast group %s:%d"
% (self.mg_ip, self.mg_port))
msg = "%s\n" % gdata.CMD_UPDATE
snt = self.m_sock.sendto(msg, (self.mg_ip, self.mg_port) )
if snt == len(msg):
self.sock.sendall( helper.getOkMessage('Update all sent') )
else:
self.sock.sendall( helper.getGenericError(
'Error sending to Multicast group'))
def _sendUpdateAll(self):
logging.debug("Sending update to the mulsticast group %s:%d" %
(self.mg_ip, self.mg_port))
msg = "%s\n" % gdata.CMD_UPDATE
snt = self.m_sock.sendto(msg, (self.mg_ip, self.mg_port))
if snt == len(msg):
self.sock.sendall(helper.getOkMessage('Update all sent'))
else:
self.sock.sendall(
helper.getGenericError('Error sending to Multicast group'))
def _sendUpdateToMonitor(self, ip, port):
# Send Update to monitor and get response
s = socket.create_connection((ip, port), self.timeout)
s.sendall("%s\n" % gdata.CMD_UPDATE)
ret = common.recvEnd(s, '\n').strip()
code, sep, desc = ret.partition(' ')
# Send result to client
msg = None
if code == gdata.K_OK:
msg = helper.getOkMessage(desc)
else:
msg = helper.getGenericError("Received error: %s" % ret)
self.sock.sendall(msg)
def _sendUpdateToMonitor(self, ip, port):
# Send Update to monitor and get response
s = socket.create_connection( (ip, port), self.timeout )
s.sendall("%s\n" % gdata.CMD_UPDATE)
ret = common.recvEnd(s, '\n').strip()
code, sep, desc = ret.partition(' ')
# Send result to client
msg = None
if code == gdata.K_OK:
msg = helper.getOkMessage(desc)
else:
msg = helper.getGenericError("Received error: %s" % ret)
self.sock.sendall(msg)
class MonitorHandler(ThreadWithRegister):
def __init__(self, sock, timeout):
super(MonitorHandler, self).__init__()
self.sock = sock
self.timeout = timeout
self.addr = sock.getpeername() # Save socket address
def run(self):
"""run() -> void
Handles the communication events and errors with a resource monitor.
"""
MonitorHandler._registerThread(MonitorHandler, self)
sock = self.sock
sock.settimeout(self.timeout)
try:
data = common.recvEnd(sock, gdata.ETX)
if data:
logging.debug("%s:%d Data:\n%s" %
(self.addr[0], self.addr[1], data))
head, sep, body = data.partition(' ')
head = head.strip()
body = body.strip()
if helper.isBEL(head): # New monitor
self._newMonitor(body)
elif helper.isSOH(head): # Monitor data update
self._updateMonitor(body)
else: # Unknown data
logging.info("Unknown monitor message '%s' from %s:%d" %
(data, self.addr[0], self.addr[1]))
sock.sendall(helper.getBadMessageError("Wrong message"))
except socket.timeout:
logging.debug("Socket TIMEOUT %s:%d" % self.addr)
sock.sendall(
helper.getTimeoutError("Reached timeout of %.1f seconds" %
self.timeout))
except AttributeError, e:
sock.sendall(helper.getGenericError(str(e)))
except ValueError, e:
sock.sendall(helper.getGenericError(str(e)))
def _updateFromOther(sock, instruction, params, timeout):
try:
ip, port = params.strip().split(':')
port = int(port)
response = ''
sock_to_other = socket.create_connection((ip, port), timeout)
sock_to_other.sendall(instruction + '\n')
msg = common.recvEnd(sock_to_other, '\n\n') + '\n\n'
response_head, sep, rest = msg.partition(' ')
if response_head != gdata.K_OK:
msg = helper.getGenericError('Bad response')
except ValueError:
msg = helper.getUnknownCmdError('Bad formatted parameters')
except socket.error, e:
msg = helper.getMonitorUnreachableError('Connection failed')
def _updateFromOther(sock, instruction, params, timeout):
try:
ip, port = params.strip().split(':')
port = int(port)
response = ''
sock_to_other = socket.create_connection((ip, port), timeout)
sock_to_other.sendall(instruction + '\n')
msg = common.recvEnd(sock_to_other, '\n\n') + '\n\n'
response_head, sep, rest = msg.partition(' ')
if response_head != gdata.K_OK:
msg = helper.getGenericError('Bad response')
except ValueError:
msg = helper.getUnknownCmdError('Bad formatted parameters')
except socket.error, e:
msg = helper.getMonitorUnreachableError('Connection failed')
def run(self):
"""run() -> void
Handles the communication events and errors with a resource monitor.
"""
MonitorHandler._registerThread(MonitorHandler, self)
sock = self.sock
sock.settimeout( self.timeout )
try:
data = common.recvEnd(sock, gdata.ETX)
if data:
logging.debug("%s:%d Data:\n%s" % (self.addr[0], self.addr[1],
data))
head, sep, body = data.partition(' ')
head = head.strip()
body = body.strip()
if helper.isBEL(head): # New monitor
self._newMonitor(body)
elif helper.isSOH(head): # Monitor data update
self._updateMonitor(body)
else: # Unknown data
logging.info("Unknown monitor message '%s' from %s:%d" %
(data, self.addr[0], self.addr[1]) )
sock.sendall( helper.getBadMessageError("Wrong message") )
except socket.timeout:
logging.debug("Socket TIMEOUT %s:%d" % self.addr)
sock.sendall( helper.getTimeoutError(
"Reached timeout of %.1f seconds" % self.timeout)
)
except AttributeError, e:
sock.sendall( helper.getGenericError(str(e)) )
