def applyEditToXMLNode(self, confignode, target):
metaFile = "Modules/meta.xsl"
try:
# Generate a stylesheet equivalent to the edit-config
df = InputSource.DefaultFactory
editXMLRequest = df.fromString(util.convertNodeToString(confignode), 'urn:dummy')
stylesheet = df.fromUri("file:" + C.YENCAP_HOME + "/" + metaFile, 'urn:sty')
p = Processor.Processor()
p.appendStylesheet(stylesheet)
wr = DomWriter.DomWriter()
p.run(editXMLRequest, writer=wr)
generatedStyleSheet = wr.getResult()
# Apply the generated stylesheet to the source document
inputStyleSheet = df.fromString(util.convertNodeToString(generatedStyleSheet), 'urn:sty')
inputDocument = df.fromString(util.convertNodeToString(target), 'urn:dummy')
p = Processor.Processor()
p.appendStylesheet(inputStyleSheet)
wr = DomWriter.DomWriter()
p.run(inputDocument, writer=wr)
newXMLDoc = wr.getResult()
# Return the transformed document
return newXMLDoc
except Exception,exp:
moduleReply = ModuleReply(
error_type=ModuleReply.APPLICATION,
error_tag=ModuleReply.OPERATION_FAILED,
error_severity=ModuleReply.ERROR,
error_message=str(exp))
return moduleReply
def editConfig(self,
defaultoperation,
testoption,
erroroption,
target,
confignode,
targetnode=None):
"""
Apply a edit-config request from the confignode to the targetnode.
@type defaultoperation: MERGE_OPERATION | REPLACE_OPERATION | NONE_OPERATION
@param defaultoperation : as specified in NETCONF protocol
@type testoption : SET | TEST_AND_SET
@param testoption : as specified in NETCONF protocol
@type erroroption : STOP_ON_ERROR | IGNORE_ERROR | ROLL_BACK_ON_ERROR
@param erroroption : as specified in NETCONF protocol
@type target : RUNNING_TARGET | CANDIDATE_TARGET | STARTUP_TARGET
@param target : as specified in NETCONF protocol
@type targetnode : string
@param targetnode : if the target is RUNNING_TARGET or STARTUP_TARGET it will be ignored otherwise should be the node of the CANDIDATE_TARGET that this module should procees
@rtype: ModuleReply
@return: It returns a success or error message.
** Relates to the netconf edit-config operation
"""
try:
# Generate a stylesheet equivalent to the edit-config
df = InputSource.DefaultFactory
editXMLRequest = df.fromString(
util.convertNodeToString(confignode), 'urn:dummy')
stylesheet = df.fromUri("file:" + metaFile, 'urn:sty')
p = Processor.Processor()
p.appendStylesheet(stylesheet)
wr = DomWriter.DomWriter()
p.run(editXMLRequest, writer=wr)
generatedStyleSheet = wr.getResult()
# Apply the generated stylesheet to the source document
inputStyleSheet = df.fromString(
util.convertNodeToString(generatedStyleSheet), 'urn:sty')
oldXMLDocument = self.getConfig(target).getXMLNodeReply()
inputDocument = df.fromString(
util.convertNodeToString(oldXMLDocument), 'urn:dummy')
p = Processor.Processor()
p.appendStylesheet(inputStyleSheet)
wr = DomWriter.DomWriter()
p.run(inputDocument, writer=wr)
newXMLDoc = wr.getResult()
# Copy the new document over the old one
xmlReply = self.copyConfig("config", target, sourceNode=newXMLDoc)
return xmlReply
except Exception, exp:
print str(exp)
moduleReply = ModuleReply(error_type=ModuleReply.APPLICATION,
error_tag=ModuleReply.OPERATION_FAILED,
error_severity=ModuleReply.ERROR,
error_message=str(exp))
return moduleReply
def editConfig(self, defaultoperation, testoption, erroroption, target, confignode, targetnode=None):
"""
Apply a edit-config request from the confignode to the targetnode.
@type defaultoperation: MERGE_OPERATION | REPLACE_OPERATION | NONE_OPERATION
@param defaultoperation : as specified in NETCONF protocol
@type testoption : SET | TEST_AND_SET
@param testoption : as specified in NETCONF protocol
@type erroroption : STOP_ON_ERROR | IGNORE_ERROR | ROLL_BACK_ON_ERROR
@param erroroption : as specified in NETCONF protocol
@type target : RUNNING_TARGET | CANDIDATE_TARGET | STARTUP_TARGET
@param target : as specified in NETCONF protocol
@type targetnode : string
@param targetnode : if the target is RUNNING_TARGET or STARTUP_TARGET it will be ignored otherwise should be the node of the CANDIDATE_TARGET that this module should procees
@rtype: ModuleReply
@return: It returns a success or error message.
** Relates to the netconf edit-config operation
"""
try:
# Generate a stylesheet equivalent to the edit-config
df = InputSource.DefaultFactory
editXMLRequest = df.fromString(util.convertNodeToString(confignode), 'urn:dummy')
stylesheet = df.fromUri("file:"+metaFile, 'urn:sty')
p = Processor.Processor()
p.appendStylesheet(stylesheet)
wr = DomWriter.DomWriter()
p.run(editXMLRequest, writer=wr)
generatedStyleSheet = wr.getResult()
# Apply the generated stylesheet to the source document
inputStyleSheet = df.fromString(util.convertNodeToString(generatedStyleSheet), 'urn:sty')
oldXMLDocument = self.getConfig(target).getXMLNodeReply()
inputDocument = df.fromString(util.convertNodeToString(oldXMLDocument), 'urn:dummy')
p = Processor.Processor()
p.appendStylesheet(inputStyleSheet)
wr = DomWriter.DomWriter()
p.run(inputDocument, writer=wr)
newXMLDoc = wr.getResult()
# Copy the new document over the old one
xmlReply = self.copyConfig(C.CONFIG, target, sourceNode = newXMLDoc.documentElement)
return xmlReply
except Exception,exp:
import traceback
traceback.print_exc()
moduleReply = ModuleReply(
error_type=ModuleReply.APPLICATION,
error_tag=ModuleReply.OPERATION_FAILED,
error_severity=ModuleReply.ERROR,
error_message=str(exp))
return moduleReply
def processrequest(self, data):
"""
Forward the received message to the requestScanner
and returns its reply
@type data: string
@param data: The message received from the client socket
@rtype: string
@return: The serialized XML reply to be sent back to the Netconf Manager
"""
self.netconfLock.acquire()
try:
# try to build the DOM, checking well-formness
# http://madynes.loria.fr is there to avoid a warning...
doc = NonvalidatingReader.parseString(data,
'http://madynes.loria.fr')
# XML Schema validation
#self.valid = util.validate(data,[C.NETCONF_SCHEMA_URI])
mainNode = doc.documentElement
if mainNode.tagName == C.RPC:
rpcRequest = Rpc(mainNode, self.session)
response = rpcRequest.execute()
elif mainNode.tagName == C.HELLO:
response = ''
else:
moduleReply = ModuleReply(
error_type=ModuleReply.PROTOCOL,
error_tag=ModuleReply.UNKNOWN_ELEMENT,
error_severity=ModuleReply.ERROR,
error_message=
"An element is not known. It should be an rpc or hello tag."
)
moduleReply.addErrorInfo("bad-element", mainNode.tagName)
nodeReply = moduleReply.getXMLNodeReply()
response = util.convertNodeToString(nodeReply)
except Exception, exp:
moduleReply = ModuleReply(
error_type=ModuleReply.PROTOCOL,
error_tag=ModuleReply.UNKNOWN_ELEMENT,
error_severity=ModuleReply.ERROR,
error_message="The Netconf message is not well-formed." +
str(exp))
nodeReply = moduleReply.getXMLNodeReply()
response = util.convertNodeToString(nodeReply)
def processrequest(self, data):
"""
Forward the received message to the requestScanner
and returns its reply
@type data: string
@param data: The message received from the client socket
@rtype: string
@return: The serialized XML reply to be sent back to the Netconf Manager
"""
self.netconfLock.acquire()
try:
# try to build the DOM, checking well-formness
# http://madynes.loria.fr is there to avoid a warning...
doc = NonvalidatingReader.parseString(data, 'http://madynes.loria.fr')
# XML Schema validation
#self.valid = util.validate(data,[C.NETCONF_SCHEMA_URI])
mainNode = doc.documentElement
if mainNode.tagName == C.RPC:
rpcRequest = Rpc(mainNode, self.session)
response = rpcRequest.execute()
elif mainNode.tagName == C.HELLO:
response =''
else:
moduleReply = ModuleReply(
error_type=ModuleReply.PROTOCOL,
error_tag=ModuleReply.UNKNOWN_ELEMENT,
error_severity=ModuleReply.ERROR,
error_message = "An element is not known. It should be an rpc or hello tag.")
moduleReply.addErrorInfo("bad-element",mainNode.tagName)
nodeReply = moduleReply.getXMLNodeReply()
response = util.convertNodeToString(nodeReply)
except Exception,exp:
moduleReply = ModuleReply(
error_type=ModuleReply.PROTOCOL,
error_tag=ModuleReply.UNKNOWN_ELEMENT,
error_severity=ModuleReply.ERROR,
error_message="The Netconf message is not well-formed."+str(exp))
nodeReply = moduleReply.getXMLNodeReply()
response = util.convertNodeToString(nodeReply)
def exchangeCapabilities(self, clientsock):
"""
Exchange the capabilities with the manager.
First sends the agent capabilities.
Then waits for the remote manager capabilities.
Creates a Netconf session and returns it.
@type clientsock: socket
@param clientsock: The socket for the current client
@rtype: session
@return: The session created by the SessionManager.
"""
# Loading hello element along with static capabilities from hello.xml file
helloRoot = NonvalidatingReader.parseUri(C.HELLO_URI)
helloNode = helloRoot.documentElement
# Finding a unique session-id for that session
self.session = sessionManager.getInstance().createSession(
clientsock, self.username)
sessionId = self.session.getSessionId()
LogManager.getInstance().logInfo(
"opening Netconf session: (sessionId=%s)" %
(self.session.getSessionId()))
# Setup the session-id value within session-id node
sessionIdNode = helloRoot.createElementNS(C.NETCONF_XMLNS,
C.SESSION_ID)
helloNode.appendChild(sessionIdNode)
sessionIdNode.appendChild(helloRoot.createTextNode(str(sessionId)))
# Get the unique instance of the singleton ModuleManager:
moduleManager = ModuleManager.getInstance()
# Add the capabilities related to the modules to the hello message:
for node in helloNode.childNodes:
if (node.nodeType == Node.ELEMENT_NODE
and node.tagName == C.CAPABILITIES):
for module in moduleManager.getModules():
capabNode = helloRoot.createElementNS(
C.NETCONF_XMLNS, C.CAPABILITY)
capabText = helloRoot.createTextNode(module.namespace)
capabNode.appendChild(capabText)
node.appendChild(capabNode)
# Convert the hello element to String before sending
hellostr = util.convertNodeToString(helloNode)
# Sending capabilities along with a new session-id
self.send(hellostr)
# Receiving capabilities of the manager
data = self.receive()
# Printing Manager capabilities
LogManager.getInstance().logInfo(
"Manager capabilities received: (sessionId=%s)" %
(self.session.getSessionId()))
def loop(self):
# Loop until ending connection
while 1:
# Receving a new Netconf request
data = self.receive()
processeddata = ""
if (data == -1):
msg = "Problem while receiving message. Please check application protocol and options (sessionId=%s)" % (
self.session.getSessionId())
LogManager.getInstance().logError(msg)
sessionManager.getInstance().closeSession(self.session)
break
elif (data == -2):
# Remote socket was badly closed. Closing session.
msg = "Remote socket seems closed: (sessionId=%s). Closing Netconf session..." % (
self.session.getSessionId())
LogManager.getInstance().logError(msg)
sessionManager.getInstance().closeSession(self.session)
break
else:
# Processing the Netconf request
try:
processeddata = self.processrequest(data)
except Exception, exp:
LogManager.getInstance().logError(
"remote socket seems closed: (sessionId=%s,error=%s)" %
(self.session.getSessionId(), str(exp)))
if (processeddata == ''):
moduleReply = ModuleReply(
error_type=ModuleReply.PROTOCOL,
error_tag=ModuleReply.UNKNOWN_ELEMENT,
error_severity=ModuleReply.ERROR,
error_message="The response is unexpectedly empty.")
nodeReply = moduleReply.getXMLNodeReply()
processeddata = util.convertNodeToString(nodeReply)
# Sending the response
self.send(processeddata)
if self.session.mustBeClosed == 1:
LogManager.getInstance().logInfo(
"closing Netconf session: (sessionId=%s)" %
(self.session.getSessionId()))
sessionManager.getInstance().closeSession(self.session)
break
def applyEditToXMLNode(self, confignode, target):
metaFile = "Modules/meta.xsl"
try:
# Generate a stylesheet equivalent to the edit-config
df = InputSource.DefaultFactory
editXMLRequest = df.fromString(
util.convertNodeToString(confignode), 'urn:dummy')
stylesheet = df.fromUri("file:" + C.YENCAP_HOME + "/" + metaFile,
'urn:sty')
p = Processor.Processor()
p.appendStylesheet(stylesheet)
wr = DomWriter.DomWriter()
p.run(editXMLRequest, writer=wr)
generatedStyleSheet = wr.getResult()
# Apply the generated stylesheet to the source document
inputStyleSheet = df.fromString(
util.convertNodeToString(generatedStyleSheet), 'urn:sty')
inputDocument = df.fromString(util.convertNodeToString(target),
'urn:dummy')
p = Processor.Processor()
p.appendStylesheet(inputStyleSheet)
wr = DomWriter.DomWriter()
p.run(inputDocument, writer=wr)
newXMLDoc = wr.getResult()
# Return the transformed document
return newXMLDoc
except Exception, exp:
moduleReply = ModuleReply(error_type=ModuleReply.APPLICATION,
error_tag=ModuleReply.OPERATION_FAILED,
error_severity=ModuleReply.ERROR,
error_message=str(exp))
return moduleReply
def exchangeCapabilities(self, clientsock):
"""
Exchange the capabilities with the manager.
First sends the agent capabilities.
Then waits for the remote manager capabilities.
Creates a Netconf session and returns it.
@type clientsock: socket
@param clientsock: The socket for the current client
@rtype: session
@return: The session created by the SessionManager.
"""
# Loading hello element along with static capabilities from hello.xml file
helloRoot = NonvalidatingReader.parseUri(C.HELLO_URI)
helloNode = helloRoot.documentElement
# Finding a unique session-id for that session
self.session = sessionManager.getInstance().createSession(clientsock, self.username)
sessionId = self.session.getSessionId()
LogManager.getInstance().logInfo("opening Netconf session: (sessionId=%s)" % (self.session.getSessionId()))
# Setup the session-id value within session-id node
sessionIdNode = helloRoot.createElementNS(C.NETCONF_XMLNS, C.SESSION_ID)
helloNode.appendChild(sessionIdNode)
sessionIdNode.appendChild(helloRoot.createTextNode(str(sessionId)))
# Get the unique instance of the singleton ModuleManager:
moduleManager = ModuleManager.getInstance()
# Add the capabilities related to the modules to the hello message:
for node in helloNode.childNodes:
if (node.nodeType== Node.ELEMENT_NODE and node.tagName == C.CAPABILITIES):
for module in moduleManager.getModules():
capabNode = helloRoot.createElementNS(C.NETCONF_XMLNS, C.CAPABILITY)
capabText = helloRoot.createTextNode(module.namespace)
capabNode.appendChild(capabText)
node.appendChild(capabNode)
# Convert the hello element to String before sending
hellostr = util.convertNodeToString(helloNode)
# Sending capabilities along with a new session-id
self.send(hellostr)
# Receiving capabilities of the manager
data = self.receive()
# Printing Manager capabilities
LogManager.getInstance().logInfo("Manager capabilities received: (sessionId=%s)" % (self.session.getSessionId()))
def loop(self):
# Loop until ending connection
while 1 :
# Receving a new Netconf request
data = self.receive()
processeddata = ""
if (data == -1):
msg = "Problem while receiving message. Please check application protocol and options (sessionId=%s)" % (self.session.getSessionId())
LogManager.getInstance().logError(msg)
sessionManager.getInstance().closeSession(self.session)
break
elif (data == -2):
# Remote socket was badly closed. Closing session.
msg = "Remote socket seems closed: (sessionId=%s). Closing Netconf session..." % (self.session.getSessionId())
LogManager.getInstance().logError(msg)
sessionManager.getInstance().closeSession(self.session)
break
else:
# Processing the Netconf request
try:
processeddata = self.processrequest(data)
except Exception,exp:
LogManager.getInstance().logError("remote socket seems closed: (sessionId=%s,error=%s)" % (self.session.getSessionId() , str(exp)))
if (processeddata == ''):
moduleReply = ModuleReply(
error_type=ModuleReply.PROTOCOL,
error_tag=ModuleReply.UNKNOWN_ELEMENT,
error_severity=ModuleReply.ERROR,
error_message="The response is unexpectedly empty.")
nodeReply = moduleReply.getXMLNodeReply()
processeddata = util.convertNodeToString(nodeReply)
# Sending the response
self.send(processeddata)
if self.session.mustBeClosed == 1:
LogManager.getInstance().logInfo("closing Netconf session: (sessionId=%s)" % (self.session.getSessionId()))
sessionManager.getInstance().closeSession(self.session)
break
def applyXSLT(self, netconfReply):
try:
# Generate a stylesheet equivalent to the edit-config
df = InputSource.DefaultFactory
xmldoc = df.fromString(netconfReply, 'urn:dummy')
xsldoc = df.fromUri("file:" + self.xsldocuri, 'urn:sty')
p = Processor.Processor()
p.appendStylesheet(xsldoc)
wr = DomWriter.DomWriter()
p.run(xmldoc, writer=wr)
newHTMLDoc = wr.getResult()
# Copy the new document over the old one
return util.convertNodeToString(newHTMLDoc.documentElement)
except Exception, exp:
import traceback
traceback.print_exc()
return "Exception while applying XSLT of module %s: \n%s" % (
self.name, str(exp))
def editConfig(self,
defaultoperation,
testoption,
erroroption,
target,
confignode,
targetnode=None):
"""
Apply a edit-config request from the confignode to the targetnode.
@type defaultoperation: MERGE_OPERATION | REPLACE_OPERATION | NONE_OPERATION
@param defaultoperation : as specified in NETCONF protocol
@type testoption : SET | TEST_AND_SET
@param testoption : as specified in NETCONF protocol
@type erroroption : STOP_ON_ERROR | IGNORE_ERROR | ROLL_BACK_ON_ERROR
@param erroroption : as specified in NETCONF protocol
@type target : RUNNING_TARGET | CANDIDATE_TARGET | STARTUP_TARGET
@param target : as specified in NETCONF protocol
@type targetnode : string
@param targetnode : if the target is RUNNING_TARGET or STARTUP_TARGET it will be ignored otherwise should be the node of the CANDIDATE_TARGET that this module should procees
@rtype: ModuleReply
@return: It returns a success or error message.
** Relates to the netconf edit-config operation
"""
try:
# Generate a stylesheet equivalent to the edit-config
df = InputSource.DefaultFactory
editXMLRequest = df.fromString(
util.convertNodeToString(confignode), 'urn:dummy')
stylesheet = df.fromUri("file:" + metaFile, 'urn:sty')
p = Processor.Processor()
p.appendStylesheet(stylesheet)
wr = DomWriter.DomWriter()
p.run(editXMLRequest, writer=wr)
generatedStyleSheet = wr.getResult()
# Apply the generated stylesheet to the source document
inputStyleSheet = df.fromString(
util.convertNodeToString(generatedStyleSheet), 'urn:sty')
oldXMLDocument = self.getConfig(target).getXMLNodeReply()
inputDocument = df.fromString(
util.convertNodeToString(oldXMLDocument), 'urn:dummy')
p = Processor.Processor()
p.appendStylesheet(inputStyleSheet)
wr = DomWriter.DomWriter()
p.run(inputDocument, writer=wr)
newXMLDoc = wr.getResult()
newOLSRRootNode = newXMLDoc.childNodes[0]
# Copy the data to the olsr config file
file_generator = Generator(self.namespace)
file_generator.transform(newOLSRRootNode)
print "new OLSR config is \n"
PrettyPrint(newXMLDoc.childNodes[0])
if (newOLSRRootNode != None):
xmlreply = ModuleReply(replynode=newOLSRRootNode)
else:
xmlreply = ModuleReply(
error_type=ModuleReply.APPLICATION,
error_tag=ModuleReply.OPERATION_NOT_SUPPORTED,
error_severity=ModuleReply.ERROR,
error_message=
"Config generator from Module %s replied with None." %
self.name)
return xmlreply
# (Re)start the olsr process on the device, if it is running
# p = OLSR_System()
# p.start_new_olsr_instance()
# xmlReply = self.copyConfig("config", target, sourceNode = newXMLDoc)
# return xmlReply
except Exception, exp:
print str(exp)
moduleReply = ModuleReply(error_type=ModuleReply.APPLICATION,
error_tag=ModuleReply.OPERATION_FAILED,
error_severity=ModuleReply.ERROR,
error_message=str(exp))
return moduleReply
