def main():
#
# Start orb.
orb = CORBA.ORB_init(sys.argv, CORBA.ORB_ID)
# Process Options
verbose = 0
needNameService = 0
channelName = "EventChannel"
factoryName = "EventChannelFactory"
criteria = []
try:
opts, args = getopt.getopt(sys.argv[1:], "n:N:m:c:i:p:q:R:r:vh")
except getopt.error:
# print help information and exit:
usage()
sys.exit(-1)
for option, optarg in opts:
if option == '-n':
channelName = optarg
needNameService = 1
elif option == '-N':
factoryName = optarg
elif option == '-m': ## OLD OPTION
criteria.append(makeNVP("MaxEventsPerConsumer", int(optarg)))
elif option == '-c':
criteria.append(makeNVP("CyclePeriod_ns", int(optarg)))
elif option == '-i':
criteria.append(makeNVP("InsName", optarg)) # string param
elif option == '-p':
criteria.append(makeNVP("MaxNumProxies", int(optarg)))
elif option == '-q':
criteria.append(makeNVP("MaxQueueLength", int(optarg)))
elif option == '-R':
criteria.append(makeNVP("PullRetryPeriod_ms", int(optarg)))
elif option == '-r': ## This option is deprecated in favour of -R:
criteria.append(makeNVP("PullRetryPeriod", int(optarg)))
elif option == '-v':
verbose = 1
elif option == '-h':
usage()
sys.exit(0)
else:
usage()
sys.exit(-1)
# Use one big try...catch block.
# 'action' variable keeps track of what we're doing.
action = "start"
try:
#
# Get Name Service root context.
rootContext = None
try:
action = "resolve initial reference 'NameService'"
obj = orb.resolve_initial_references("NameService")
rootContext = obj._narrow(CosNaming.NamingContext)
if rootContext is None:
raise CORBA.OBJECT_NOT_EXIST(0, CORBA.COMPLETED_NO)
except CORBA.Exception, ex:
if needNameService:
raise ex
else:
sys.stderr.write("Warning - failed to %s\n" % action)
#
# Obtain reference to the Event Channel Factory implementation.
# (from command-line argument or from the Naming Service).
if len(args):
action = "convert URI from command line into object reference"
obj = orb.string_to_object(args[0])
else:
action = "find Event Channel Factory in naming service"
obj = rootContext.resolve(str2name(factoryName))
action = "narrow object reference to event channel factory"
factory = obj._narrow(EventChannelAdmin.EventChannelFactory)
if factory is None:
sys.stderr.write(
"Failed to narrow Event Channel Factory reference.\n")
sys.exit(1)
# Check that the factory is of the right type
action = "check factory supports EventChannel object interface"
key = [CosNaming.NameComponent("EventChannel", "object interface")]
if not factory.supports(key):
sys.stderr.write('Factory does not support Event Channel Interface!'+ \
' [%s]\n'%factoryName)
sys.exit(1)
#
# Create Event Channel Object.
action = "create EventChannel object"
channelObj = factory.create_object(key, criteria)
if channelObj is None:
sys.stderr.write('Channel Factory returned nil reference!'+ \
' [%s]\n'%channelName)
sys.exit(1)
# Print the new EventChannel's IOR to standard output.
if verbose:
print orb.object_to_string(channelObj)
# Narrow object returned to an Event Channel
channel = channelObj._narrow(CosEventChannelAdmin.EventChannel)
if channel is None:
sys.stderr.write('Failed to narrow Event Channel!'+ \
' [%s]\n'%channelName)
sys.exit(1)
#
# Register event channel with naming service
if rootContext is not None:
name = str2name(channelName)
try:
action = "register (bind) EventChannel with the naming service"
rootContext.bind(name, channel)
except CosNaming.NamingContext.AlreadyBound, ex:
action = "register (rebind) EventChannel with the naming service"
rootContext.rebind(name, channel)
def main():
orb = CORBA.ORB_init(sys.argv, CORBA.ORB_ID)
# Process Options
discnum = 0
sleepInterval = 0
channelName = "EventChannel"
# Process Options
try:
opts,args=getopt.getopt(sys.argv[1:],"d:s:n:h")
except getopt.error:
# print help information and exit:
usage()
sys.exit(-1)
for option, optarg in opts:
if option=='-d':
discnum = int(optarg)
elif option=='-s':
sleepInterval = int(optarg)
elif option=='-n':
channelName = optarg
elif option=='-h':
usage()
sys.exit(0)
else:
usage()
sys.exit(-1)
# Ignore broken pipes
if signal.__dict__.has_key('SIGPIPE'):
signal.signal(signal.SIGPIPE, signal.SIG_IGN)
action="start" # Use this variable to help report errors.
try:
action="resolve initial reference 'RootPOA'"
poa=orb.resolve_initial_references("RootPOA")
action="activate the RootPOA's POAManager"
poaManager=poa._get_the_POAManager()
poaManager.activate()
#
# Obtain reference to the Event Channel.
# (from command-line argument or from the Naming Service).
if len(args):
action="convert URI from command line into object reference"
obj=orb.string_to_object(args[0])
else:
#
# Get Name Service root context.
action="resolve initial reference 'NameService'"
obj=orb.resolve_initial_references("NameService")
rootContext=obj._narrow(CosNaming.NamingContext)
if rootContext is None:
raise CORBA.OBJECT_NOT_EXIST(0,CORBA.COMPLETED_NO)
#
# Obtain reference to the Event Channel.
action="find Event Channel in naming service"
obj=rootContext.resolve(str2name(channelName))
action="narrow object reference to event channel"
channel=obj._narrow(CosEventChannelAdmin.EventChannel)
if channel is None:
raise CORBA.OBJECT_NOT_EXIST(0,CORBA.COMPLETED_NO)
except CORBA.ORB.InvalidName, ex: # resolve_initial_references()
sys.stderr.write("Failed to %s. ORB::InvalidName\n"%action)
sys.exit(1)
def main():
result = 1
#
# Start orb.
orb = CORBA.ORB_init(sys.argv, CORBA.ORB_ID)
# Process Options
ecName = str2name("EventChannel")
try:
opts, args = getopt.getopt(sys.argv[1:], "n:h")
except getopt.error:
# print help information and exit:
usage()
sys.exit(-1)
for option, optarg in opts:
if option == '-n':
ecName = str2name(optarg)
elif option == '-h':
usage()
sys.exit(0)
else:
usage()
sys.exit(-1)
# Use one big try...catch block.
# 'action' variable keeps track of what we're doing.
action = "start"
try:
#
# Obtain reference to the Event Channel.
# (from command-line argument or from the Naming Service).
if len(args):
action = "convert URI from command line into object reference"
obj = orb.string_to_object(args[0])
else:
#
# Get Name Service root context.
action = "resolve initial reference 'NameService'"
obj = orb.resolve_initial_references("NameService")
rootContext = obj._narrow(CosNaming.NamingContext)
if rootContext is None:
raise CORBA.OBJECT_NOT_EXIST(0, CORBA.COMPLETED_NO)
#
# Obtain reference to the Event Channel.
action = "find Event Channel in naming service"
obj = rootContext.resolve(ecName)
#
# Unbind the Channel's reference in the naming service.
action = "unbind Event Channel from naming service"
rootContext.unbind(ecName)
action = "narrow object reference to event channel"
channel = obj._narrow(CosEventChannelAdmin.EventChannel)
if channel is None:
raise CORBA.OBJECT_NOT_EXIST(0, CORBA.COMPLETED_NO)
#
# Destroy the EventChannel.
action = "destroy Event Channel"
channel.destroy()
#
# Clean up nicely.
action = "destroy orb"
orb.destroy()
#
# If we get here, then everything has worked OK.
result = 0
except CORBA.ORB.InvalidName, ex: # resolve_initial_references()
sys.stderr.write("Failed to %s. ORB::InvalidName\n" % action)
