daemon: Initial support to allow multiple versions of XML scenario files.
This commit is contained in:
tgoff0
parent
3ffdf7c420
commit
104e68a712
3 changed files with 454 additions and 415 deletions
|
|
@ -1,419 +1,36 @@
|
|||
#
|
||||
# CORE
|
||||
# Copyright (c)2011-2013 the Boeing Company.
|
||||
# Copyright (c) 2014 The Boeing Company.
|
||||
# See the LICENSE file included in this distribution.
|
||||
#
|
||||
# author: Jeff Ahrenholz <jeffrey.m.ahrenholz@boeing.com>
|
||||
#
|
||||
|
||||
from core.netns import nodes
|
||||
from xml.dom.minidom import parse
|
||||
from xml.dom.minidom import Document
|
||||
from xmlutils import *
|
||||
from xmlutils import getoneelement
|
||||
from xmlparser1 import CoreDocumentParser1
|
||||
|
||||
class CoreDocumentParser(object):
|
||||
def __init__(self, session, filename, start=False,
|
||||
nodecls=nodes.CoreNode):
|
||||
self.session = session
|
||||
self.verbose = self.session.getcfgitembool('verbose', False)
|
||||
self.filename = filename
|
||||
class CoreVersionParser(object):
|
||||
'''\
|
||||
Helper class to check the version of Network Plan document. This
|
||||
simply looks for a "Scenario" element; when present, this
|
||||
indicates a 1.0 version document. The dom member is set in order
|
||||
to prevent parsing a file twice (it can be passed to the
|
||||
appropriate CoreDocumentParser class.)
|
||||
'''
|
||||
def __init__(self, filename, options={}):
|
||||
if 'dom' in options:
|
||||
self.dom = options['dom']
|
||||
else:
|
||||
self.dom = parse(filename)
|
||||
self.start = start
|
||||
self.nodecls = nodecls
|
||||
|
||||
#self.scenario = getoneelement(self.dom, "Scenario")
|
||||
self.np = getoneelement(self.dom, "NetworkPlan")
|
||||
if self.np is None:
|
||||
raise ValueError, "missing NetworkPlan!"
|
||||
self.mp = getoneelement(self.dom, "MotionPlan")
|
||||
self.sp = getoneelement(self.dom, "ServicePlan")
|
||||
self.meta = getoneelement(self.dom, "CoreMetaData")
|
||||
|
||||
self.coords = self.getmotiondict(self.mp)
|
||||
# link parameters parsed in parsenets(), applied in parsenodes()
|
||||
self.linkparams = {}
|
||||
|
||||
self.parsedefaultservices()
|
||||
self.parseorigin()
|
||||
self.parsenets()
|
||||
self.parsenodes()
|
||||
self.parseservices()
|
||||
self.parsemeta()
|
||||
|
||||
|
||||
def warn(self, msg):
|
||||
if self.session:
|
||||
warnstr = "XML parsing '%s':" % (self.filename)
|
||||
self.session.warn("%s %s" % (warnstr, msg))
|
||||
|
||||
def getmotiondict(self, mp):
|
||||
''' Parse a MotionPlan into a dict with node names for keys and coordinates
|
||||
for values.
|
||||
'''
|
||||
if mp is None:
|
||||
return {}
|
||||
coords = {}
|
||||
for node in mp.getElementsByTagName("Node"):
|
||||
nodename = str(node.getAttribute("name"))
|
||||
if nodename == '':
|
||||
continue
|
||||
for m in node.getElementsByTagName("motion"):
|
||||
if m.getAttribute("type") != "stationary":
|
||||
continue
|
||||
point = m.getElementsByTagName("point")
|
||||
if len(point) == 0:
|
||||
continue
|
||||
txt = point[0].firstChild
|
||||
if txt is None:
|
||||
continue
|
||||
xyz = map(int, txt.nodeValue.split(','))
|
||||
z = None
|
||||
x, y = xyz[0:2]
|
||||
if (len(xyz) == 3):
|
||||
z = xyz[2]
|
||||
coords[nodename] = (x, y, z)
|
||||
return coords
|
||||
|
||||
@staticmethod
|
||||
def getcommonattributes(obj):
|
||||
''' Helper to return tuple of attributes common to nodes and nets.
|
||||
'''
|
||||
id = int(obj.getAttribute("id"))
|
||||
name = str(obj.getAttribute("name"))
|
||||
type = str(obj.getAttribute("type"))
|
||||
return(id, name, type)
|
||||
|
||||
def parsenets(self):
|
||||
linkednets = []
|
||||
for net in self.np.getElementsByTagName("NetworkDefinition"):
|
||||
id, name, type = self.getcommonattributes(net)
|
||||
nodecls = xmltypetonodeclass(self.session, type)
|
||||
if not nodecls:
|
||||
self.warn("skipping unknown network node '%s' type '%s'" % \
|
||||
(name, type))
|
||||
continue
|
||||
n = self.session.addobj(cls = nodecls, objid = id, name = name,
|
||||
start = self.start)
|
||||
if name in self.coords:
|
||||
x, y, z = self.coords[name]
|
||||
n.setposition(x, y, z)
|
||||
getparamssetattrs(net, ("icon", "canvas", "opaque"), n)
|
||||
if hasattr(n, "canvas") and n.canvas is not None:
|
||||
n.canvas = int(n.canvas)
|
||||
# links between two nets (e.g. switch-switch)
|
||||
for ifc in net.getElementsByTagName("interface"):
|
||||
netid = str(ifc.getAttribute("net"))
|
||||
ifcname = str(ifc.getAttribute("name"))
|
||||
linkednets.append((n, netid, ifcname))
|
||||
self.parsemodels(net, n)
|
||||
# link networks together now that they all have been parsed
|
||||
for (n, netid, ifcname) in linkednets:
|
||||
try:
|
||||
n2 = n.session.objbyname(netid)
|
||||
except KeyError:
|
||||
n.warn("skipping net %s interface: unknown net %s" % \
|
||||
(n.name, netid))
|
||||
continue
|
||||
upstream = False
|
||||
netif = n.getlinknetif(n2)
|
||||
if netif is None:
|
||||
netif = n2.linknet(n)
|
||||
self.scenario = getoneelement(self.dom, 'Scenario')
|
||||
if self.scenario is not None:
|
||||
self.version = 1.0
|
||||
else:
|
||||
netif.swapparams('_params_up')
|
||||
upstream = True
|
||||
key = (n2.name, ifcname)
|
||||
if key in self.linkparams:
|
||||
for (k, v) in self.linkparams[key]:
|
||||
netif.setparam(k, v)
|
||||
if upstream:
|
||||
netif.swapparams('_params_up')
|
||||
self.version = 'unknown'
|
||||
|
||||
def parsenodes(self):
|
||||
for node in self.np.getElementsByTagName("Node"):
|
||||
id, name, type = self.getcommonattributes(node)
|
||||
if type == "rj45":
|
||||
nodecls = nodes.RJ45Node
|
||||
def core_document_parser(session, filename, options):
|
||||
vp = CoreVersionParser(filename, options)
|
||||
if 'dom' not in options:
|
||||
options['dom'] = vp.dom
|
||||
if vp.version == 1.0:
|
||||
doc = CoreDocumentParser1(session, filename, options)
|
||||
else:
|
||||
nodecls = self.nodecls
|
||||
n = self.session.addobj(cls = nodecls, objid = id, name = name,
|
||||
start = self.start)
|
||||
if name in self.coords:
|
||||
x, y, z = self.coords[name]
|
||||
n.setposition(x, y, z)
|
||||
n.type = type
|
||||
getparamssetattrs(node, ("icon", "canvas", "opaque"), n)
|
||||
if hasattr(n, "canvas") and n.canvas is not None:
|
||||
n.canvas = int(n.canvas)
|
||||
for ifc in node.getElementsByTagName("interface"):
|
||||
self.parseinterface(n, ifc)
|
||||
|
||||
def parseinterface(self, n, ifc):
|
||||
''' Parse a interface block such as:
|
||||
<interface name="eth0" net="37278">
|
||||
<address type="mac">00:00:00:aa:00:01</address>
|
||||
<address>10.0.0.2/24</address>
|
||||
<address>2001::2/64</address>
|
||||
</interface>
|
||||
'''
|
||||
name = str(ifc.getAttribute("name"))
|
||||
netid = str(ifc.getAttribute("net"))
|
||||
hwaddr = None
|
||||
addrlist = []
|
||||
try:
|
||||
net = n.session.objbyname(netid)
|
||||
except KeyError:
|
||||
n.warn("skipping node %s interface %s: unknown net %s" % \
|
||||
(n.name, name, netid))
|
||||
return
|
||||
for addr in ifc.getElementsByTagName("address"):
|
||||
addrstr = gettextchild(addr)
|
||||
if addrstr is None:
|
||||
continue
|
||||
if addr.getAttribute("type") == "mac":
|
||||
hwaddr = addrstr
|
||||
else:
|
||||
addrlist.append(addrstr)
|
||||
i = n.newnetif(net, addrlist = addrlist, hwaddr = hwaddr,
|
||||
ifindex = None, ifname = name)
|
||||
for model in ifc.getElementsByTagName("model"):
|
||||
self.parsemodel(model, n, n.objid)
|
||||
key = (n.name, name)
|
||||
if key in self.linkparams:
|
||||
netif = n.netif(i)
|
||||
for (k, v) in self.linkparams[key]:
|
||||
netif.setparam(k, v)
|
||||
|
||||
def parsemodels(self, dom, obj):
|
||||
''' Mobility/wireless model config is stored in a ConfigurableManager's
|
||||
config dict.
|
||||
'''
|
||||
nodenum = int(dom.getAttribute("id"))
|
||||
for model in dom.getElementsByTagName("model"):
|
||||
self.parsemodel(model, obj, nodenum)
|
||||
|
||||
def parsemodel(self, model, obj, nodenum):
|
||||
''' Mobility/wireless model config is stored in a ConfigurableManager's
|
||||
config dict.
|
||||
'''
|
||||
name = model.getAttribute("name")
|
||||
if name == '':
|
||||
return
|
||||
type = model.getAttribute("type")
|
||||
# convert child text nodes into key=value pairs
|
||||
kvs = gettextelementstolist(model)
|
||||
|
||||
mgr = self.session.mobility
|
||||
# TODO: the session.confobj() mechanism could be more generic;
|
||||
# it only allows registering Conf Message callbacks, but here
|
||||
# we want access to the ConfigurableManager, not the callback
|
||||
if name[:5] == "emane":
|
||||
mgr = self.session.emane
|
||||
elif name[:5] == "netem":
|
||||
mgr = None
|
||||
self.parsenetem(model, obj, kvs)
|
||||
|
||||
elif name[:3] == "xen":
|
||||
mgr = self.session.xen
|
||||
# TODO: assign other config managers here
|
||||
if mgr:
|
||||
mgr.setconfig_keyvalues(nodenum, name, kvs)
|
||||
|
||||
def parsenetem(self, model, obj, kvs):
|
||||
''' Determine interface and invoke setparam() using the parsed
|
||||
(key, value) pairs.
|
||||
'''
|
||||
ifname = model.getAttribute("netif")
|
||||
peer = model.getAttribute("peer")
|
||||
key = (peer, ifname)
|
||||
# nodes and interfaces do not exist yet, at this point of the parsing,
|
||||
# save (key, value) pairs for later
|
||||
try:
|
||||
#kvs = map(lambda(k, v): (int(v)), kvs)
|
||||
kvs = map(self.numericvalue, kvs)
|
||||
except ValueError:
|
||||
self.warn("error parsing link parameters for '%s' on '%s'" % \
|
||||
(ifname, peer))
|
||||
self.linkparams[key] = kvs
|
||||
|
||||
@staticmethod
|
||||
def numericvalue(keyvalue):
|
||||
(key, value) = keyvalue
|
||||
if '.' in str(value):
|
||||
value = float(value)
|
||||
else:
|
||||
value = int(value)
|
||||
return (key, value)
|
||||
|
||||
def parseorigin(self):
|
||||
''' Parse any origin tag from the Mobility Plan and set the CoreLocation
|
||||
reference point appropriately.
|
||||
'''
|
||||
origin = getoneelement(self.mp, "origin")
|
||||
if not origin:
|
||||
return
|
||||
location = self.session.location
|
||||
geo = []
|
||||
attrs = ("lat","lon","alt")
|
||||
for i in xrange(3):
|
||||
a = origin.getAttribute(attrs[i])
|
||||
if a is not None:
|
||||
a = float(a)
|
||||
geo.append(a)
|
||||
location.setrefgeo(geo[0], geo[1], geo[2])
|
||||
scale = origin.getAttribute("scale100")
|
||||
if scale is not None:
|
||||
location.refscale = float(scale)
|
||||
point = getoneelement(origin, "point")
|
||||
if point is not None and point.firstChild is not None:
|
||||
xyz = point.firstChild.nodeValue.split(',')
|
||||
if len(xyz) == 2:
|
||||
xyz.append('0.0')
|
||||
if len(xyz) == 3:
|
||||
xyz = map(lambda(x): float(x), xyz)
|
||||
location.refxyz = (xyz[0], xyz[1], xyz[2])
|
||||
|
||||
def parsedefaultservices(self):
|
||||
''' Prior to parsing nodes, use session.services manager to store
|
||||
default services for node types
|
||||
'''
|
||||
for node in self.sp.getElementsByTagName("Node"):
|
||||
type = node.getAttribute("type")
|
||||
if type == '':
|
||||
continue # node-specific service config
|
||||
services = []
|
||||
for service in node.getElementsByTagName("Service"):
|
||||
services.append(str(service.getAttribute("name")))
|
||||
self.session.services.defaultservices[type] = services
|
||||
self.session.info("default services for type %s set to %s" % \
|
||||
(type, services))
|
||||
|
||||
def parseservices(self):
|
||||
''' After node objects exist, parse service customizations and add them
|
||||
to the nodes.
|
||||
'''
|
||||
svclists = {}
|
||||
# parse services and store configs into session.services.configs
|
||||
for node in self.sp.getElementsByTagName("Node"):
|
||||
name = node.getAttribute("name")
|
||||
if name == '':
|
||||
continue # node type without name
|
||||
n = self.session.objbyname(name)
|
||||
if n is None:
|
||||
self.warn("skipping service config for unknown node '%s'" % \
|
||||
name)
|
||||
continue
|
||||
for service in node.getElementsByTagName("Service"):
|
||||
svcname = service.getAttribute("name")
|
||||
if self.parseservice(service, n):
|
||||
if n.objid in svclists:
|
||||
svclists[n.objid] += "|" + svcname
|
||||
else:
|
||||
svclists[n.objid] = svcname
|
||||
# nodes in NetworkPlan but not in ServicePlan use the
|
||||
# default services for their type
|
||||
for node in self.np.getElementsByTagName("Node"):
|
||||
id, name, type = self.getcommonattributes(node)
|
||||
if id in svclists:
|
||||
continue # custom config exists
|
||||
else:
|
||||
svclists[int(id)] = None # use defaults
|
||||
|
||||
# associate nodes with services
|
||||
for objid in sorted(svclists.keys()):
|
||||
n = self.session.obj(objid)
|
||||
self.session.services.addservicestonode(node=n, nodetype=n.type,
|
||||
services_str=svclists[objid],
|
||||
verbose=self.verbose)
|
||||
|
||||
def parseservice(self, service, n):
|
||||
''' Use session.services manager to store service customizations before
|
||||
they are added to a node.
|
||||
'''
|
||||
name = service.getAttribute("name")
|
||||
svc = self.session.services.getservicebyname(name)
|
||||
if svc is None:
|
||||
return False
|
||||
values = []
|
||||
startup_idx = service.getAttribute("startup_idx")
|
||||
if startup_idx is not None:
|
||||
values.append("startidx=%s" % startup_idx)
|
||||
startup_time = service.getAttribute("start_time")
|
||||
if startup_time is not None:
|
||||
values.append("starttime=%s" % startup_time)
|
||||
dirs = []
|
||||
for dir in service.getElementsByTagName("Directory"):
|
||||
dirname = dir.getAttribute("name")
|
||||
dirs.append(dirname)
|
||||
if len(dirs):
|
||||
values.append("dirs=%s" % dirs)
|
||||
|
||||
startup = []
|
||||
shutdown = []
|
||||
validate = []
|
||||
for cmd in service.getElementsByTagName("Command"):
|
||||
type = cmd.getAttribute("type")
|
||||
cmdstr = gettextchild(cmd)
|
||||
if cmdstr is None:
|
||||
continue
|
||||
if type == "start":
|
||||
startup.append(cmdstr)
|
||||
elif type == "stop":
|
||||
shutdown.append(cmdstr)
|
||||
elif type == "validate":
|
||||
validate.append(cmdstr)
|
||||
if len(startup):
|
||||
values.append("cmdup=%s" % startup)
|
||||
if len(shutdown):
|
||||
values.append("cmddown=%s" % shutdown)
|
||||
if len(validate):
|
||||
values.append("cmdval=%s" % validate)
|
||||
|
||||
files = []
|
||||
for file in service.getElementsByTagName("File"):
|
||||
filename = file.getAttribute("name")
|
||||
files.append(filename)
|
||||
data = gettextchild(file)
|
||||
typestr = "service:%s:%s" % (name, filename)
|
||||
self.session.services.setservicefile(nodenum=n.objid, type=typestr,
|
||||
filename=filename,
|
||||
srcname=None, data=data)
|
||||
if len(files):
|
||||
values.append("files=%s" % files)
|
||||
if not bool(service.getAttribute("custom")):
|
||||
return True
|
||||
self.session.services.setcustomservice(n.objid, svc, values)
|
||||
return True
|
||||
|
||||
def parsehooks(self, hooks):
|
||||
''' Parse hook scripts from XML into session._hooks.
|
||||
'''
|
||||
for hook in hooks.getElementsByTagName("Hook"):
|
||||
filename = hook.getAttribute("name")
|
||||
state = hook.getAttribute("state")
|
||||
data = gettextchild(hook)
|
||||
if data is None:
|
||||
data = "" # allow for empty file
|
||||
type = "hook:%s" % state
|
||||
self.session.sethook(type, filename=filename,
|
||||
srcname=None, data=data)
|
||||
|
||||
def parsemeta(self):
|
||||
opt = getoneelement(self.meta, "SessionOptions")
|
||||
if opt:
|
||||
for param in opt.getElementsByTagName("param"):
|
||||
k = str(param.getAttribute("name"))
|
||||
v = str(param.getAttribute("value"))
|
||||
if v == '':
|
||||
v = gettextchild(param) # allow attribute/text for newlines
|
||||
setattr(self.session.options, k, v)
|
||||
hooks = getoneelement(self.meta, "Hooks")
|
||||
if hooks:
|
||||
self.parsehooks(hooks)
|
||||
meta = getoneelement(self.meta, "MetaData")
|
||||
if meta:
|
||||
for param in meta.getElementsByTagName("param"):
|
||||
k = str(param.getAttribute("name"))
|
||||
v = str(param.getAttribute("value"))
|
||||
if v == '':
|
||||
v = gettextchild(param)
|
||||
self.session.metadata.additem(k, v)
|
||||
raise ValueError, 'unsupported document version: %s' % vp.version
|
||||
return doc
|
||||
|
|
|
|||
421
daemon/core/misc/xmlparser1.py
Normal file
421
daemon/core/misc/xmlparser1.py
Normal file
|
|
@ -0,0 +1,421 @@
|
|||
#
|
||||
# CORE
|
||||
# Copyright (c)2011-2014 the Boeing Company.
|
||||
# See the LICENSE file included in this distribution.
|
||||
#
|
||||
# author: Jeff Ahrenholz <jeffrey.m.ahrenholz@boeing.com>
|
||||
#
|
||||
|
||||
from core.netns import nodes
|
||||
from xml.dom.minidom import parse
|
||||
from xml.dom.minidom import Document
|
||||
from xmlutils import *
|
||||
|
||||
class CoreDocumentParser1(object):
|
||||
def __init__(self, session, filename, options):
|
||||
self.session = session
|
||||
self.verbose = self.session.getcfgitembool('verbose', False)
|
||||
self.filename = filename
|
||||
if 'dom' in options:
|
||||
# this prevents parsing twice when detecting file versions
|
||||
self.dom = options['dom']
|
||||
else:
|
||||
self.dom = parse(filename)
|
||||
self.start = options['start']
|
||||
self.nodecls = options['nodecls']
|
||||
|
||||
self.np = getoneelement(self.dom, "NetworkPlan")
|
||||
if self.np is None:
|
||||
raise ValueError, "missing NetworkPlan!"
|
||||
self.mp = getoneelement(self.dom, "MotionPlan")
|
||||
self.sp = getoneelement(self.dom, "ServicePlan")
|
||||
self.meta = getoneelement(self.dom, "CoreMetaData")
|
||||
|
||||
self.coords = self.getmotiondict(self.mp)
|
||||
# link parameters parsed in parsenets(), applied in parsenodes()
|
||||
self.linkparams = {}
|
||||
|
||||
self.parsedefaultservices()
|
||||
self.parseorigin()
|
||||
self.parsenets()
|
||||
self.parsenodes()
|
||||
self.parseservices()
|
||||
self.parsemeta()
|
||||
|
||||
|
||||
def warn(self, msg):
|
||||
if self.session:
|
||||
warnstr = "XML parsing '%s':" % (self.filename)
|
||||
self.session.warn("%s %s" % (warnstr, msg))
|
||||
|
||||
def getmotiondict(self, mp):
|
||||
''' Parse a MotionPlan into a dict with node names for keys and coordinates
|
||||
for values.
|
||||
'''
|
||||
if mp is None:
|
||||
return {}
|
||||
coords = {}
|
||||
for node in mp.getElementsByTagName("Node"):
|
||||
nodename = str(node.getAttribute("name"))
|
||||
if nodename == '':
|
||||
continue
|
||||
for m in node.getElementsByTagName("motion"):
|
||||
if m.getAttribute("type") != "stationary":
|
||||
continue
|
||||
point = m.getElementsByTagName("point")
|
||||
if len(point) == 0:
|
||||
continue
|
||||
txt = point[0].firstChild
|
||||
if txt is None:
|
||||
continue
|
||||
xyz = map(int, txt.nodeValue.split(','))
|
||||
z = None
|
||||
x, y = xyz[0:2]
|
||||
if (len(xyz) == 3):
|
||||
z = xyz[2]
|
||||
coords[nodename] = (x, y, z)
|
||||
return coords
|
||||
|
||||
@staticmethod
|
||||
def getcommonattributes(obj):
|
||||
''' Helper to return tuple of attributes common to nodes and nets.
|
||||
'''
|
||||
id = int(obj.getAttribute("id"))
|
||||
name = str(obj.getAttribute("name"))
|
||||
type = str(obj.getAttribute("type"))
|
||||
return(id, name, type)
|
||||
|
||||
def parsenets(self):
|
||||
linkednets = []
|
||||
for net in self.np.getElementsByTagName("NetworkDefinition"):
|
||||
id, name, type = self.getcommonattributes(net)
|
||||
nodecls = xmltypetonodeclass(self.session, type)
|
||||
if not nodecls:
|
||||
self.warn("skipping unknown network node '%s' type '%s'" % \
|
||||
(name, type))
|
||||
continue
|
||||
n = self.session.addobj(cls = nodecls, objid = id, name = name,
|
||||
start = self.start)
|
||||
if name in self.coords:
|
||||
x, y, z = self.coords[name]
|
||||
n.setposition(x, y, z)
|
||||
getparamssetattrs(net, ("icon", "canvas", "opaque"), n)
|
||||
if hasattr(n, "canvas") and n.canvas is not None:
|
||||
n.canvas = int(n.canvas)
|
||||
# links between two nets (e.g. switch-switch)
|
||||
for ifc in net.getElementsByTagName("interface"):
|
||||
netid = str(ifc.getAttribute("net"))
|
||||
ifcname = str(ifc.getAttribute("name"))
|
||||
linkednets.append((n, netid, ifcname))
|
||||
self.parsemodels(net, n)
|
||||
# link networks together now that they all have been parsed
|
||||
for (n, netid, ifcname) in linkednets:
|
||||
try:
|
||||
n2 = n.session.objbyname(netid)
|
||||
except KeyError:
|
||||
n.warn("skipping net %s interface: unknown net %s" % \
|
||||
(n.name, netid))
|
||||
continue
|
||||
upstream = False
|
||||
netif = n.getlinknetif(n2)
|
||||
if netif is None:
|
||||
netif = n2.linknet(n)
|
||||
else:
|
||||
netif.swapparams('_params_up')
|
||||
upstream = True
|
||||
key = (n2.name, ifcname)
|
||||
if key in self.linkparams:
|
||||
for (k, v) in self.linkparams[key]:
|
||||
netif.setparam(k, v)
|
||||
if upstream:
|
||||
netif.swapparams('_params_up')
|
||||
|
||||
def parsenodes(self):
|
||||
for node in self.np.getElementsByTagName("Node"):
|
||||
id, name, type = self.getcommonattributes(node)
|
||||
if type == "rj45":
|
||||
nodecls = nodes.RJ45Node
|
||||
else:
|
||||
nodecls = self.nodecls
|
||||
n = self.session.addobj(cls = nodecls, objid = id, name = name,
|
||||
start = self.start)
|
||||
if name in self.coords:
|
||||
x, y, z = self.coords[name]
|
||||
n.setposition(x, y, z)
|
||||
n.type = type
|
||||
getparamssetattrs(node, ("icon", "canvas", "opaque"), n)
|
||||
if hasattr(n, "canvas") and n.canvas is not None:
|
||||
n.canvas = int(n.canvas)
|
||||
for ifc in node.getElementsByTagName("interface"):
|
||||
self.parseinterface(n, ifc)
|
||||
|
||||
def parseinterface(self, n, ifc):
|
||||
''' Parse a interface block such as:
|
||||
<interface name="eth0" net="37278">
|
||||
<address type="mac">00:00:00:aa:00:01</address>
|
||||
<address>10.0.0.2/24</address>
|
||||
<address>2001::2/64</address>
|
||||
</interface>
|
||||
'''
|
||||
name = str(ifc.getAttribute("name"))
|
||||
netid = str(ifc.getAttribute("net"))
|
||||
hwaddr = None
|
||||
addrlist = []
|
||||
try:
|
||||
net = n.session.objbyname(netid)
|
||||
except KeyError:
|
||||
n.warn("skipping node %s interface %s: unknown net %s" % \
|
||||
(n.name, name, netid))
|
||||
return
|
||||
for addr in ifc.getElementsByTagName("address"):
|
||||
addrstr = gettextchild(addr)
|
||||
if addrstr is None:
|
||||
continue
|
||||
if addr.getAttribute("type") == "mac":
|
||||
hwaddr = addrstr
|
||||
else:
|
||||
addrlist.append(addrstr)
|
||||
i = n.newnetif(net, addrlist = addrlist, hwaddr = hwaddr,
|
||||
ifindex = None, ifname = name)
|
||||
for model in ifc.getElementsByTagName("model"):
|
||||
self.parsemodel(model, n, n.objid)
|
||||
key = (n.name, name)
|
||||
if key in self.linkparams:
|
||||
netif = n.netif(i)
|
||||
for (k, v) in self.linkparams[key]:
|
||||
netif.setparam(k, v)
|
||||
|
||||
def parsemodels(self, dom, obj):
|
||||
''' Mobility/wireless model config is stored in a ConfigurableManager's
|
||||
config dict.
|
||||
'''
|
||||
nodenum = int(dom.getAttribute("id"))
|
||||
for model in dom.getElementsByTagName("model"):
|
||||
self.parsemodel(model, obj, nodenum)
|
||||
|
||||
def parsemodel(self, model, obj, nodenum):
|
||||
''' Mobility/wireless model config is stored in a ConfigurableManager's
|
||||
config dict.
|
||||
'''
|
||||
name = model.getAttribute("name")
|
||||
if name == '':
|
||||
return
|
||||
type = model.getAttribute("type")
|
||||
# convert child text nodes into key=value pairs
|
||||
kvs = gettextelementstolist(model)
|
||||
|
||||
mgr = self.session.mobility
|
||||
# TODO: the session.confobj() mechanism could be more generic;
|
||||
# it only allows registering Conf Message callbacks, but here
|
||||
# we want access to the ConfigurableManager, not the callback
|
||||
if name[:5] == "emane":
|
||||
mgr = self.session.emane
|
||||
elif name[:5] == "netem":
|
||||
mgr = None
|
||||
self.parsenetem(model, obj, kvs)
|
||||
|
||||
elif name[:3] == "xen":
|
||||
mgr = self.session.xen
|
||||
# TODO: assign other config managers here
|
||||
if mgr:
|
||||
mgr.setconfig_keyvalues(nodenum, name, kvs)
|
||||
|
||||
def parsenetem(self, model, obj, kvs):
|
||||
''' Determine interface and invoke setparam() using the parsed
|
||||
(key, value) pairs.
|
||||
'''
|
||||
ifname = model.getAttribute("netif")
|
||||
peer = model.getAttribute("peer")
|
||||
key = (peer, ifname)
|
||||
# nodes and interfaces do not exist yet, at this point of the parsing,
|
||||
# save (key, value) pairs for later
|
||||
try:
|
||||
#kvs = map(lambda(k, v): (int(v)), kvs)
|
||||
kvs = map(self.numericvalue, kvs)
|
||||
except ValueError:
|
||||
self.warn("error parsing link parameters for '%s' on '%s'" % \
|
||||
(ifname, peer))
|
||||
self.linkparams[key] = kvs
|
||||
|
||||
@staticmethod
|
||||
def numericvalue(keyvalue):
|
||||
(key, value) = keyvalue
|
||||
if '.' in str(value):
|
||||
value = float(value)
|
||||
else:
|
||||
value = int(value)
|
||||
return (key, value)
|
||||
|
||||
def parseorigin(self):
|
||||
''' Parse any origin tag from the Mobility Plan and set the CoreLocation
|
||||
reference point appropriately.
|
||||
'''
|
||||
origin = getoneelement(self.mp, "origin")
|
||||
if not origin:
|
||||
return
|
||||
location = self.session.location
|
||||
geo = []
|
||||
attrs = ("lat","lon","alt")
|
||||
for i in xrange(3):
|
||||
a = origin.getAttribute(attrs[i])
|
||||
if a is not None:
|
||||
a = float(a)
|
||||
geo.append(a)
|
||||
location.setrefgeo(geo[0], geo[1], geo[2])
|
||||
scale = origin.getAttribute("scale100")
|
||||
if scale is not None:
|
||||
location.refscale = float(scale)
|
||||
point = getoneelement(origin, "point")
|
||||
if point is not None and point.firstChild is not None:
|
||||
xyz = point.firstChild.nodeValue.split(',')
|
||||
if len(xyz) == 2:
|
||||
xyz.append('0.0')
|
||||
if len(xyz) == 3:
|
||||
xyz = map(lambda(x): float(x), xyz)
|
||||
location.refxyz = (xyz[0], xyz[1], xyz[2])
|
||||
|
||||
def parsedefaultservices(self):
|
||||
''' Prior to parsing nodes, use session.services manager to store
|
||||
default services for node types
|
||||
'''
|
||||
for node in self.sp.getElementsByTagName("Node"):
|
||||
type = node.getAttribute("type")
|
||||
if type == '':
|
||||
continue # node-specific service config
|
||||
services = []
|
||||
for service in node.getElementsByTagName("Service"):
|
||||
services.append(str(service.getAttribute("name")))
|
||||
self.session.services.defaultservices[type] = services
|
||||
self.session.info("default services for type %s set to %s" % \
|
||||
(type, services))
|
||||
|
||||
def parseservices(self):
|
||||
''' After node objects exist, parse service customizations and add them
|
||||
to the nodes.
|
||||
'''
|
||||
svclists = {}
|
||||
# parse services and store configs into session.services.configs
|
||||
for node in self.sp.getElementsByTagName("Node"):
|
||||
name = node.getAttribute("name")
|
||||
if name == '':
|
||||
continue # node type without name
|
||||
n = self.session.objbyname(name)
|
||||
if n is None:
|
||||
self.warn("skipping service config for unknown node '%s'" % \
|
||||
name)
|
||||
continue
|
||||
for service in node.getElementsByTagName("Service"):
|
||||
svcname = service.getAttribute("name")
|
||||
if self.parseservice(service, n):
|
||||
if n.objid in svclists:
|
||||
svclists[n.objid] += "|" + svcname
|
||||
else:
|
||||
svclists[n.objid] = svcname
|
||||
# nodes in NetworkPlan but not in ServicePlan use the
|
||||
# default services for their type
|
||||
for node in self.np.getElementsByTagName("Node"):
|
||||
id, name, type = self.getcommonattributes(node)
|
||||
if id in svclists:
|
||||
continue # custom config exists
|
||||
else:
|
||||
svclists[int(id)] = None # use defaults
|
||||
|
||||
# associate nodes with services
|
||||
for objid in sorted(svclists.keys()):
|
||||
n = self.session.obj(objid)
|
||||
self.session.services.addservicestonode(node=n, nodetype=n.type,
|
||||
services_str=svclists[objid],
|
||||
verbose=self.verbose)
|
||||
|
||||
def parseservice(self, service, n):
|
||||
''' Use session.services manager to store service customizations before
|
||||
they are added to a node.
|
||||
'''
|
||||
name = service.getAttribute("name")
|
||||
svc = self.session.services.getservicebyname(name)
|
||||
if svc is None:
|
||||
return False
|
||||
values = []
|
||||
startup_idx = service.getAttribute("startup_idx")
|
||||
if startup_idx is not None:
|
||||
values.append("startidx=%s" % startup_idx)
|
||||
startup_time = service.getAttribute("start_time")
|
||||
if startup_time is not None:
|
||||
values.append("starttime=%s" % startup_time)
|
||||
dirs = []
|
||||
for dir in service.getElementsByTagName("Directory"):
|
||||
dirname = dir.getAttribute("name")
|
||||
dirs.append(dirname)
|
||||
if len(dirs):
|
||||
values.append("dirs=%s" % dirs)
|
||||
|
||||
startup = []
|
||||
shutdown = []
|
||||
validate = []
|
||||
for cmd in service.getElementsByTagName("Command"):
|
||||
type = cmd.getAttribute("type")
|
||||
cmdstr = gettextchild(cmd)
|
||||
if cmdstr is None:
|
||||
continue
|
||||
if type == "start":
|
||||
startup.append(cmdstr)
|
||||
elif type == "stop":
|
||||
shutdown.append(cmdstr)
|
||||
elif type == "validate":
|
||||
validate.append(cmdstr)
|
||||
if len(startup):
|
||||
values.append("cmdup=%s" % startup)
|
||||
if len(shutdown):
|
||||
values.append("cmddown=%s" % shutdown)
|
||||
if len(validate):
|
||||
values.append("cmdval=%s" % validate)
|
||||
|
||||
files = []
|
||||
for file in service.getElementsByTagName("File"):
|
||||
filename = file.getAttribute("name")
|
||||
files.append(filename)
|
||||
data = gettextchild(file)
|
||||
typestr = "service:%s:%s" % (name, filename)
|
||||
self.session.services.setservicefile(nodenum=n.objid, type=typestr,
|
||||
filename=filename,
|
||||
srcname=None, data=data)
|
||||
if len(files):
|
||||
values.append("files=%s" % files)
|
||||
if not bool(service.getAttribute("custom")):
|
||||
return True
|
||||
self.session.services.setcustomservice(n.objid, svc, values)
|
||||
return True
|
||||
|
||||
def parsehooks(self, hooks):
|
||||
''' Parse hook scripts from XML into session._hooks.
|
||||
'''
|
||||
for hook in hooks.getElementsByTagName("Hook"):
|
||||
filename = hook.getAttribute("name")
|
||||
state = hook.getAttribute("state")
|
||||
data = gettextchild(hook)
|
||||
if data is None:
|
||||
data = "" # allow for empty file
|
||||
type = "hook:%s" % state
|
||||
self.session.sethook(type, filename=filename,
|
||||
srcname=None, data=data)
|
||||
|
||||
def parsemeta(self):
|
||||
opt = getoneelement(self.meta, "SessionOptions")
|
||||
if opt:
|
||||
for param in opt.getElementsByTagName("param"):
|
||||
k = str(param.getAttribute("name"))
|
||||
v = str(param.getAttribute("value"))
|
||||
if v == '':
|
||||
v = gettextchild(param) # allow attribute/text for newlines
|
||||
setattr(self.session.options, k, v)
|
||||
hooks = getoneelement(self.meta, "Hooks")
|
||||
if hooks:
|
||||
self.parsehooks(hooks)
|
||||
meta = getoneelement(self.meta, "MetaData")
|
||||
if meta:
|
||||
for param in meta.getElementsByTagName("param"):
|
||||
k = str(param.getAttribute("name"))
|
||||
v = str(param.getAttribute("value"))
|
||||
if v == '':
|
||||
v = gettextchild(param)
|
||||
self.session.metadata.additem(k, v)
|
||||
|
|
@ -1,6 +1,6 @@
|
|||
#
|
||||
# CORE
|
||||
# Copyright (c)2011-2013 the Boeing Company.
|
||||
# Copyright (c)2011-2014 the Boeing Company.
|
||||
# See the LICENSE file included in this distribution.
|
||||
#
|
||||
# author: Jeff Ahrenholz <jeffrey.m.ahrenholz@boeing.com>
|
||||
|
|
@ -13,13 +13,14 @@ the main public interface here.
|
|||
|
||||
import os.path
|
||||
from core.netns import nodes
|
||||
from xmlparser import CoreDocumentParser
|
||||
from xmlparser import core_document_parser
|
||||
from xmlwriter import CoreDocumentWriter
|
||||
|
||||
def opensessionxml(session, filename, start=False, nodecls=nodes.CoreNode):
|
||||
''' Import a session from the EmulationScript XML format.
|
||||
'''
|
||||
doc = CoreDocumentParser(session, filename, start, nodecls)
|
||||
options = {'start': start, 'nodecls': nodecls}
|
||||
doc = core_document_parser(session, filename, options)
|
||||
if start:
|
||||
session.name = os.path.basename(filename)
|
||||
session.filename = filename
|
||||
|
|
|
|||
Loading…
Reference in a new issue