def get_service_node(link, tgt_ip, sn_ip, create_sn):
queue = get_first_queue() # may raise exception
link_created = 0
sn_cmp = None
if not link:
links = [
x for x in SIM_all_objects() if instance_of(x, "ethernet-link")
]
if len(links) > 1:
SIM_command_has_problem()
print("There are more than one ethernet-link, please specify " +
"which one the simulated machine is connected to.")
raise Exception
elif len(links) == 0:
# create component
SIM_get_class('std-ethernet-link')
basename = component_basename('std-ethernet-link')
link_cmp = SIM_create_object('std-ethernet-link',
get_available_object_name(basename),
[])
instantiate_cmd(False, [link_cmp])
link = get_component_object(link_cmp, "link")
link_created = 1
if SIM_is_interactive():
print "No ethernet-link found, creating '%s'." % link.name
else:
link = links[0]
link_cmp = link.component
# find service nodes on link
sns = [
x.service_node for x in SIM_all_objects()
if instance_of(x, "service-node-device") and x.link == link
]
if len(sns) == 0:
if not create_sn:
return None
if not sn_ip:
if not tgt_ip:
return None
sn_ip = inet_ntoa(inet_aton(tgt_ip)[0:3] + '\x01')
# create component
SIM_get_class('std-service-node')
basename = component_basename('std-service-node')
sn_cmp = SIM_create_object('std-service-node',
get_available_object_name(basename), [])
instantiate_cmd(False, [sn_cmp])
get_component(sn_cmp).add_connector(sn_ip, "255.255.255.0")
sn = get_component_object(sn_cmp, "sn")
if SIM_is_interactive():
print("No service-node found, creating '%s' with IP '%s'." %
(sn.name, sn_ip))
else:
sn = sns[0]
if sn_ip and sn_ip != get_sn_ip(sn, link):
print("Using already existing service node with IP %s." %
get_sn_ip(sn, link))
if len(sns) > 1:
print "More than one service-node, using '%s'." % sn.name
# connect devices to our newly created link
if link_created:
devs = [
x for x in SIM_all_objects() if instance_of(x, "ethernet_device")
]
for dev in devs:
if not dev.link:
dev_cmp = dev.component
if dev_cmp and link_cmp:
if components_connected(dev_cmp, link_cmp):
continue
# connect using components
connect_cmd(link_cmp, None, dev_cmp, None, True)
print("Connecting component '%s' to '%s'" %
(dev_cmp.name, link_cmp.name))
else:
dev.link = link
print("Connecting device '%s' to '%s'" %
(dev.name, link.name))
elif sn_cmp:
# a service-node component was created, but no link
if link_cmp:
# connect using components
connect_cmd(link_cmp, None, sn_cmp, None, True)
print("Connecting component '%s' to '%s'" %
(sn_cmp.name, link_cmp.name))
else:
snd = [
x for x in SIM_all_objects() if
(instance_of(x, "service-node-device") and x.service_node == sn
and x.ip_address == sn_ip and x.netmask == "255.255.255.0")
][0]
snd.link = link
print("Connecting device '%s' to '%s'" % (snd.name, link.name))
return (link, sn)
def get_service_node(link, tgt_ip, sn_ip, create_sn):
queue = get_first_queue() # may raise exception
link_created = 0
sn_cmp = None
if not link:
links = [x for x in SIM_all_objects()
if instance_of(x, "ethernet-link")]
if len(links) > 1:
SIM_command_has_problem()
print ("There are more than one ethernet-link, please specify " +
"which one the simulated machine is connected to.")
raise Exception
elif len(links) == 0:
# create component
SIM_get_class('std-ethernet-link')
basename = component_basename('std-ethernet-link')
link_cmp = SIM_create_object(
'std-ethernet-link',
get_available_object_name(basename), [])
instantiate_cmd(False, [link_cmp])
link = get_component_object(link_cmp, "link")
link_created = 1
if SIM_is_interactive():
print "No ethernet-link found, creating '%s'." % link.name
else:
link = links[0]
link_cmp = link.component
# find service nodes on link
sns = [x.service_node for x in SIM_all_objects()
if instance_of(x, "service-node-device") and x.link == link]
if len(sns) == 0:
if not create_sn:
return None
if not sn_ip:
if not tgt_ip:
return None
sn_ip = inet_ntoa(inet_aton(tgt_ip)[0:3] + '\x01')
# create component
SIM_get_class('std-service-node')
basename = component_basename('std-service-node')
sn_cmp = SIM_create_object(
'std-service-node',
get_available_object_name(basename), [])
instantiate_cmd(False, [sn_cmp])
get_component(sn_cmp).add_connector(sn_ip, "255.255.255.0")
sn = get_component_object(sn_cmp, "sn")
if SIM_is_interactive():
print ("No service-node found, creating '%s' with IP '%s'."
% (sn.name, sn_ip))
else:
sn = sns[0]
if sn_ip and sn_ip != get_sn_ip(sn, link):
print ("Using already existing service node with IP %s."
% get_sn_ip(sn, link))
if len(sns) > 1:
print "More than one service-node, using '%s'." % sn.name
# connect devices to our newly created link
if link_created:
devs = [x for x in SIM_all_objects()
if instance_of(x, "ethernet_device")]
for dev in devs:
if not dev.link:
dev_cmp = dev.component
if dev_cmp and link_cmp:
if components_connected(dev_cmp, link_cmp):
continue
# connect using components
connect_cmd(link_cmp, None, dev_cmp, None, True)
print ("Connecting component '%s' to '%s'"
% (dev_cmp.name, link_cmp.name))
else:
dev.link = link
print ("Connecting device '%s' to '%s'"
% (dev.name, link.name))
elif sn_cmp:
# a service-node component was created, but no link
if link_cmp:
# connect using components
connect_cmd(link_cmp, None, sn_cmp, None, True)
print ("Connecting component '%s' to '%s'"
% (sn_cmp.name, link_cmp.name))
else:
snd = [x for x in SIM_all_objects()
if (instance_of(x, "service-node-device")
and x.service_node == sn
and x.ip_address == sn_ip
and x.netmask == "255.255.255.0")][0]
snd.link = link
print ("Connecting device '%s' to '%s'"
% (snd.name, link.name))
return (link, sn)
obj = get_component_object(obj_cmp, obj_name)
else:
# support component-less configurations
obj = SIM_create_object(classname, newname, attribs + [["queue", SIM_current_processor()]])
except Exception, msg:
print "Failed creating %s '%s': %s" % (classname, newname, msg)
raise CliError
SIM_set_attribute(obj, "break-string", breakpoints)
if dev.component:
disconnect_cmd(dev.component, None, con.component, None)
connectors = [x for x in dev.component.connectors if dev.component.connectors[x]["type"] == "serial"]
free_cnt = sorted([x for x in connectors if x not in [y[0] for y in dev.component.connections]])
for cnt in free_cnt:
connect_cmd(dev.component, cnt, obj.component, None, True)
if "console" in dir(sim.objects[dev.name]) and dev.console:
break # correct connector!
if "link" in dir(sim.objects[dev.name]) and dev.link:
break # correct connector!
disconnect_cmd(dev.component, cnt, obj.component, None, True)
else:
dev.console = obj
VT_hap_replace_object_references(con, obj)
if con.component:
try:
SIM_delete_object(con.component)
except:
print ("Failed removing existing console component '%s'" % con.component.name)
attribs +
[['queue', SIM_current_processor()]])
except Exception, msg:
print "Failed creating %s '%s': %s" % (classname, newname, msg)
raise CliError
SIM_set_attribute(obj, "break-string", breakpoints)
if dev.component:
disconnect_cmd(dev.component, None, con.component, None)
connectors = [x for x in dev.component.connectors
if dev.component.connectors[x]['type'] == 'serial']
free_cnt = sorted([x for x in connectors if
x not in [y[0] for y in dev.component.connections]])
for cnt in free_cnt:
connect_cmd(dev.component, cnt, obj.component, None, True)
if 'console' in dir(sim.objects[dev.name]) and dev.console:
break # correct connector!
if 'link' in dir(sim.objects[dev.name]) and dev.link:
break # correct connector!
disconnect_cmd(dev.component, cnt, obj.component, None, True)
else:
dev.console = obj
VT_hap_replace_object_references(con, obj)
if con.component:
try:
SIM_delete_object(con.component)
except:
print ("Failed removing existing console component '%s'"