else:
print "%s: readback '%s' disagrees with the value '%s' we wrote." % (function, readback, value)
raise ca_utilException, EXCEPTION_READBACK_DISAGREES
entry.callbackReceived = 1
except CaChannel.CaChannelException, status:
print "%s: exception during readback." % (function)
count += 1
if success and (function == "caputw"):
start_time = time.time()
timed_out = 0
while (not entry.callbackReceived) and (not timed_out):
#print "waiting for ", name
time.sleep(0.1)
#ca.pend_io(0.1)
ca.poll()
if (not wait_timeout):
timed_out = 0
else:
timed_out = ((time.time()-start_time) > wait_timeout)
if not entry.callbackReceived:
print "Execution not completed by wait_timeout (%d seconds)" % wait_timeout
#######################################################################
def camonitor(name, function, user_args=None, timeout=None, retries=None):
"""
usage: camonitor("xxx:m1.VAL", python_function, user_args, timeout=None,
retries=None)
Don't forget to call ca.pend_event(<pend_time_in_seconds>) periodically.
"""
def ca_bg_task():
try:
ca.poll()
except Exception, e:
pass
def poll(self):
"""Flush the send buffer and execute outstanding background activity."""
status = ca.poll()
# status is always ECA_TIMEOUT
return status
def poll(self):
"""Flush the send buffer and execute outstanding background activity."""
status = ca.poll()
# status is always ECA_TIMEOUT
return status