def switch_to_other_class(con, name, cmp_classname, classname, cmp_attribs, attribs):
if not name:
name = con.name
try:
dev = con.device
except:
print "No device connected to console '%s'" % con.name
raise CliError
breakpoints = SIM_get_attribute(con, "break-string")
newname = "new_" + name
if "console" in classname:
obj_name = "con"
attribs += [["device", dev]]
else:
obj_name = "link"
try:
if dev.component:
basename = component_basename(cmp_classname)
obj_cmp = SIM_create_object(cmp_classname, get_available_object_name(basename), cmp_attribs)
pre_obj = get_component_object(obj_cmp, obj_name)
if "console" in classname:
pre_obj.device = dev
instantiate_cmd(False, [obj_cmp])
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
def switch_to_other_class(con, name,
cmp_classname, classname, cmp_attribs, attribs):
if not name:
name = con.name
try:
dev = con.device
except:
print "No device connected to console '%s'" % con.name
raise CliError
breakpoints = SIM_get_attribute(con, "break-string")
newname = "new_" + name
if 'console' in classname:
obj_name = 'con'
attribs += [['device', dev]]
else:
obj_name = 'link'
try:
if dev.component:
basename = component_basename(cmp_classname)
obj_cmp = SIM_create_object(
cmp_classname,
get_available_object_name(basename), cmp_attribs)
pre_obj = get_component_object(obj_cmp, obj_name)
if 'console' in classname:
pre_obj.device = dev
instantiate_cmd(False, [obj_cmp])
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
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)
