def pend_event(self,timeout=None):
"""Flush the send buffer and wait for timeout seconds.
Parameters:
timeout: seconds to wait
"""
if timeout is None:
timeout = 0.1
status = ca.pend_event(timeout)
# status is always ECA_TIMEOUT
return status
def pend_event(self, timeout=None):
"""Flush the send buffer and wait for timeout seconds.
Parameters:
timeout: seconds to wait
"""
if timeout is None:
timeout = 0.1
status = ca.pend_event(timeout)
# status is always ECA_TIMEOUT
return status
finally:
updated[0] = True
if req_type is None: req_type = ca.dbf_type_to_DBR(self.field_type())
if count is None: count = 0
try:
ca.get(self.__chid, update_value, req_type, count)
except ca.error,msg:
raise CaChannelException,msg
if self.__timeout is None:
timeout = CaChannel.ca_timeout
else:
timeout = self.__timeout
status = ca.pend_io(timeout)
n = 0
while n*0.02 < timeout and not updated[0]:
ca.pend_event(0.02)
n+=1
if not updated[0]:
raise CaChannelException, ca.caError._caErrorMsg[10] # ECA_TIMEOUT
return value[0]
#
# Callback functions
#
# These functions hook user supplied callback functions to CA extension
def _conn_callback(self):
try:
callback, userArgs = self._callbacks.get('connCB')
except:
return
updated[0] = True
if req_type is None: req_type = ca.dbf_type_to_DBR(self.field_type())
if count is None: count = 0
try:
ca.get(self.__chid, update_value, req_type, count)
except ca.error, msg:
raise CaChannelException, msg
if self.__timeout is None:
timeout = CaChannel.ca_timeout
else:
timeout = self.__timeout
status = ca.pend_io(timeout)
n = 0
while n * 0.02 < timeout and not updated[0]:
ca.pend_event(0.02)
n += 1
if not updated[0]:
raise CaChannelException, ca.caError._caErrorMsg[10] # ECA_TIMEOUT
return value[0]
#
# Callback functions
#
# These functions hook user supplied callback functions to CA extension
def _conn_callback(self):
try:
callback, userArgs = self._callbacks.get('connCB')
except:
