moved servers and request handlers to separate module. added support for auxiliary server with configurable request handlers
This commit is contained in:
Rod A Santiago
parent
5934b23b18
commit
3ea417b855
5 changed files with 1624 additions and 2490 deletions
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@ -1,103 +0,0 @@
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#
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# CORE
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# Copyright (c)2016 the Boeing Company.
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# See the LICENSE file included in this distribution.
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#
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# authors: Rod Santiago
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# John Kharouta
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#
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"""
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This is a convenience module that imports the python module generated
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from the core.proto IDL
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"""
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from core_pb2 import *
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import struct
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API2HDRFMT = "H"
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API2HDRSIZ = struct.calcsize(API2HDRFMT)
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def pack(message):
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''' Pack an API2 message for transmission
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'''
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data = message.SerializeToString()
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return struct.pack(API2HDRFMT, len(data)) + data
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def recvAndUnpack(recv):
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''' Receive and unpack from coreapi2
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'''
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try:
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hdr = recv(API2HDRSIZ)
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except Exception, e:
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raise IOError, "error receiving API 2 header (%s)" % e
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if len(hdr) != API2HDRSIZ:
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if len(hdr) == 0:
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raise EOFError, "client disconnected"
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else:
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raise IOError, "invalid message header size"
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dataToRead = struct.unpack(API2HDRFMT, hdr)[0]
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data = ""
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while len(data) < dataToRead:
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data += recv(dataToRead - len(data))
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return data
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def findNodeByIdx(exp, idx):
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''' Find a node with the given index in the given Experiment
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'''
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for a_node in exp.nodes:
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if a_node.idx == idx:
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return a_node
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return None
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def findDeviceByIdx(exp, idx):
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''' Find a device with the given index in the given Experiment
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'''
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for a_dev in exp.devices:
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if a_dev.idx == idx:
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return a_dev
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return None
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def getNodeByIdx(exp, idx):
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node = findNodeByIdx(exp, idx)
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if not node:
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node = exp.nodes.add()
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return node
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def getDeviceByIdx(exp, idx):
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device = findDeviceByIdx(exp, idx)
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if not device:
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device = exp.devices.add()
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return device
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def getDeviceInterfaceByIdx(exp, devIdx, intfIdx):
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device = findDeviceByIdx(exp, devIdx)
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if device:
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for intf in device.interfaces:
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if intf.idx == intfIdx:
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return intf
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intf = device.interfaces.add()
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intf.idx = intfIdx
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return intf
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return None
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def getNodeInterfaceByIdx(exp, nodeIdx, intfIdx):
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node = findNodeByIdx(exp, nodeIdx)
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if node:
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for intf in node.interfaces:
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if intf.idx == intfIdx:
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return intf
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intf = node.interfaces.add()
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intf.idx = intfIdx
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return intf
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return None
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1577
daemon/core/coreserver.py
Normal file
1577
daemon/core/coreserver.py
Normal file
File diff suppressed because it is too large
Load diff
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@ -1,713 +0,0 @@
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#
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# CORE
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# Copyright (c)2016 the Boeing Company.
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# See the LICENSE file included in this distribution.
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#
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# authors: Rod Santiago
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# John Kharouta
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#
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import threading, traceback, sys
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from core.api import coreapi, corewrapper, coreapi2
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from core.experiments import ExperimentStore
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# Aliases
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wrapper = corewrapper
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legacy = coreapi
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# Legacy node types that are Devices in API2
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deviceTypesSet = set([
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coreapi.CORE_NODE_SWITCH,
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coreapi.CORE_NODE_HUB,
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coreapi.CORE_NODE_WLAN,
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coreapi.CORE_NODE_RJ45,
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coreapi.CORE_NODE_TUNNEL,
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coreapi.CORE_NODE_KTUNNEL,
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coreapi.CORE_NODE_EMANE])
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# Legacy node types that are Devices in API2
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nodeTypesSet = set([
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coreapi.CORE_NODE_DEF,
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coreapi.CORE_NODE_XEN])
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# Legacy node types to API2 device type field mapping
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devtypeDict = {
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coreapi.CORE_NODE_SWITCH: coreapi2.Device.SWITCH,
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coreapi.CORE_NODE_HUB: coreapi2.Device.HUB,
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coreapi.CORE_NODE_WLAN: coreapi2.Device.WLAN,
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coreapi.CORE_NODE_RJ45: coreapi2.Device.RJ45,
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coreapi.CORE_NODE_TUNNEL: coreapi2.Device.TUNNEL,
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coreapi.CORE_NODE_KTUNNEL: coreapi2.Device.KTUNNEL
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}
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# Legacy node types to API2 emulator field mapping
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emulationDict = {
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coreapi.CORE_NODE_DEF: coreapi2.Node.DEFAULT,
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coreapi.CORE_NODE_XEN: coreapi2.Node.XEN,
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coreapi.CORE_NODE_EMANE: coreapi2.Device.EMANE
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}
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class CoreApiBridge(object):
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def __init__(self, handler):
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# The collector is used for gathering node messages sent by the core session,
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# for example, during INSTANTIATION as nodes are started until RUNTIME.
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self.collector = None
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# The currently associated (client added) experiment.
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# This will be use to get contextual information for partial messages as nodes
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# in the experiments are instantiated by the daemon.
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self.assocExperiment = None
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# Mutex
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self.lock = threading.Lock()
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# Reference to the owning handler in the core-daemon
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self.handler = handler
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def info(self, msg):
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''' Utility method for writing output to stdout.
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'''
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print msg
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sys.stdout.flush()
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def warn(self, msg):
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''' Utility method for writing output to stderr.
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'''
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print >> sys.stderr, msg
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sys.stderr.flush()
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def recvmsg(self):
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''' Receive data, parse a CoreMessage and queue it onto an existing
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session handler's queue, if available.
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'''
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data = coreapi2.recvAndUnpack(self.handler.request.recv)
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msgs = self.processApi2Message(data)
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return msgs
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def dispatchreplies(self, replies):
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''' Dispatch a reply to a previously received message.
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'''
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api2Replies = self.processLegacyCoreMessage(replies)
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if api2Replies:
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for reply in api2Replies:
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try:
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# send to API2 client
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self.handler.request.sendall(reply)
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except Exception, e:
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if self.handler.debug:
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self.info("-"*60)
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traceback.print_exc(file=sys.stdout)
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self.info("-"*60)
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raise e
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def sendall(self, data):
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''' The daemon calls this method with legacy API data. Convert first
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API2 then send.
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'''
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try:
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msgs = self.processLegacyCoreMessage((data,))
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if msgs:
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for msg in msgs:
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self.handler.request.sendall(msg)
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except Exception, e:
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if self.handler.debug:
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self.info("-"*60)
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traceback.print_exc(file=sys.stdout)
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self.info("-"*60)
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raise e
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def processApi2Message(self, data):
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message = coreapi2.CoreMessage()
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message.ParseFromString(data)
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if message.HasField('session'):
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return self.processApi2SessionMsg(message.session,
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message.purpose)
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if message.HasField('experiment'):
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return self.processApi2ExperimentMsg(message.experiment,
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message.purpose)
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if message.HasField('event'):
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return self.processApi2Event(message.event,
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message.purpose)
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def processLegacyCoreMessage(self, messages):
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api2msgs = []
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for msgstr in messages:
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# Unpack the message
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parser = wrapper.CoreMessageParser(msgstr)
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if parser.getType() == legacy.CORE_API_REG_MSG:
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self.processLegacyRegMsg(parser.createWrapper(), api2msgs)
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elif parser.getType() == legacy.CORE_API_SESS_MSG:
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self.processLegacySessionMsg(parser.createWrapper(), api2msgs)
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elif parser.getType() == legacy.CORE_API_EVENT_MSG:
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self.processLegacyEventMsg(parser.createWrapper(), api2msgs)
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elif parser.getType() == legacy.CORE_API_NODE_MSG:
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self.processLegacyNodeMsg(parser.createWrapper(), api2msgs)
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elif parser.getType() == legacy.CORE_API_CONF_MSG:
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self.processLegacyConfigMsg(parser.createWrapper(), api2msgs)
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else:
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self.warn("received message type %s" % (parser.getType()))
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return api2msgs
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def processLegacyRegMsg(self, regMsg, api2msgs):
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'''
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Intercept an outgoing register message from the CORE daemon and generate
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equivalent API2 message to send to the client
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'''
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if self.handler.debug:
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print "RegisterMessage"
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print "\twireless=", regMsg.getWireless()
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print "\tmobility=", regMsg.getMobility()
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print "\tutility=", regMsg.getUtility()
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print "\texec=", regMsg.getExecsrv()
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print "\tgui=", regMsg.getGui()
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print "\temul=", regMsg.getEmulsrv()
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print "\tsess=", regMsg.getSession()
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pass
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def processLegacySessionMsg(self, sessMsg, api2msgs):
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'''
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Intercept an outgoing session message from the CORE daemon and generate the equivalent
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API2 messages to send to the client
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'''
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if self.handler.debug:
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print "SessionMessage"
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print "\tnumber=", sessMsg.getNumber()
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print "\tname=", sessMsg.getName()
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print "\tfile=", sessMsg.getFile()
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print "\tnodecount=", sessMsg.getNodecount()
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print "\tdate=", sessMsg.getDate()
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print "\tthumb=", sessMsg.getThumb()
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print "\tuser=", sessMsg.getUser()
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print "\topaque=", sessMsg.getOpaque()
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sessions = sessMsg.getNumber().split("|")
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port_num = int(sessions[-1])
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newMsg = coreapi2.CoreMessage()
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newMsg.session.clientId = 'client' + sessions[-1]
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newMsg.session.port_num = port_num
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# List active experiments in the server
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for sid in sessions:
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sid = int(sid)
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if sid == 0:
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continue
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session = self.handler.session.server.getsession(sessionid=sid, useexisting=True)
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if session is None:
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self.warn("Invalid session ID received from daemon")
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continue
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if session == self.handler.session:
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continue
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expId = session.metadata.getitem('experimentId')
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if expId:
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newMsg.session.all_exps.append(expId)
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else:
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newMsg.session.all_exps.append('_%s' % (str(sid)))
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newMsg.purpose = coreapi2.ADD
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api2msgs.append(coreapi2.pack(newMsg))
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def processLegacyEventMsg(self, event, api2msgs):
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'''
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Intercept an outgoing event generated by the CORE daemon and generate the equivalent
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API2 messages to send to the client
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'''
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if self.handler.debug:
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print "Event:"
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print "\tnode=", event.getNode()
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print "\ttype=", event.getType()
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print "\tname=", event.getName()
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print "\tdata=", event.getData()
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print "\ttime=", event.getTime()
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print "\tsessions=", event.getSession()
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if event.getType() == legacy.CORE_EVENT_RUNTIME_STATE:
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newMsg = coreapi2.CoreMessage()
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newMsg.purpose = coreapi2.STATE_CHANGE
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newMsg.event.state = coreapi2.RUNTIME
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api2msgs.append(coreapi2.pack(newMsg))
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with self.lock:
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if self.collector:
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self.collector.experiment.running = True
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self.collector.purpose = coreapi2.MODIFY
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else:
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raise RuntimeError, "runtime entered without an instantiated experiment"
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api2msgs.append(coreapi2.pack(self.collector))
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self.collector = None
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def processLegacyConfigMsg(self, confMsg, api2msgs):
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'''
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Intercept an outgoing config message generated by the CORE daemon and generate the equivalent
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API2 messages to send to the client
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'''
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if self.handler.debug:
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print "Config:"
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print "\tobj=", confMsg.getObj()
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print "\tnode=", confMsg.getNode()
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print "\ttype=", confMsg.getType()
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print "\tdata=", confMsg.getData()
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print "\tvalues=", confMsg.getValues()
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print "\tcaptions=", confMsg.getCaptions()
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print "\tbitmap=", confMsg.getBitmap()
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print "\tposs values=", confMsg.getPossible()
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print "\tgroups=", confMsg.getGroups()
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print "\tsession=", confMsg.getSession()
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print "\tnetid=", confMsg.getNetid()
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print "\topaque=", confMsg.getOpaque()
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# The CONFIG message will have its 'object' field set to the string literal
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# "session" if it is ending a stream of node and link messages sent to a
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# client that has joined a running experiment (legacy:session).
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if confMsg.getObj() == "session":
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# TODO: Process the values field
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# Send what has been collected to the client
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with self.lock:
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if self.collector:
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self.collector.experiment.running = True
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self.collector.purpose = coreapi2.MODIFY
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else:
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raise RuntimeError, "runtime entered without an instantiated experiment"
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api2msgs.append(coreapi2.pack(self.collector))
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self.assocExperiment = self.collector.experiment
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self.collector = None
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def processLegacyNodeMsg(self, nodeMsg, api2msgs):
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'''
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Intercept an outgoing legacy node message generated by the CORE daemon and generate the equivalent
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API2 messages to send to the client
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'''
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if self.handler.debug:
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print "Node:"
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print "\tnumber=", nodeMsg.getNumber()
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print "\ttype=", nodeMsg.getType()
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print "\tname=", nodeMsg.getName()
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print "\tipaddr=", nodeMsg.getIpaddr()
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print "\tmacaddr=", nodeMsg.getMacaddr()
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print "\tip6addr=", nodeMsg.getIp6addr()
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print "\tmodel=", nodeMsg.getModel()
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print "\temusrv=", nodeMsg.getEmusrv()
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print "\tsession=", nodeMsg.getSession()
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print "\txpos=", nodeMsg.getXpos()
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print "\typos=", nodeMsg.getYpos()
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print "\tcanvas=", nodeMsg.getCanvas()
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print "\temuid=", nodeMsg.getEmuid()
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print "\tnetid=", nodeMsg.getNetid()
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print "\tservices=", nodeMsg.getServices()
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print "\tlat=", nodeMsg.getLat()
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print "\tlon=", nodeMsg.getLong()
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print "\talt=", nodeMsg.getAlt()
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print "\ticon=", nodeMsg.getIcon()
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print "\topaque=", nodeMsg.getOpaque()
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api2_node=None
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api2_dev=None
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with self.lock:
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# If collection is active (i.e. joining a session is in progress) collect node
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# information into an experiment message. Otherise, send as an independent Node or
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# Device message.
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newMsg = None
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if not self.collector:
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newMsg = coreapi2.CoreMessage()
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# The legacy API uses a Node message to convey everything from hubs to hosts.
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# But it does always have type information in it. Get context information
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# from assocExperiment for the newly instantiated node or device being conveyed
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# by the Node message.
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# Determine if the legacy message if for a node or a device
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nodeOrDev = None
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isNode = self.assocExperiment and coreapi2.findNodeByIdx(self.assocExperiment,
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nodeMsg.getNumber())
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isDev = self.assocExperiment and coreapi2.findDeviceByIdx(self.assocExperiment,
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nodeMsg.getNumber())
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# If the node number in the message maps to a node or a device in the associated experiment,
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# check if the message indicates a consistent type
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if isNode and nodeMsg.getType() is not None and nodeMsg.getType() not in nodeTypesSet:
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raise RuntimeError, "Inconsistent node types."
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if isDev and nodeMsg.getType() is not None and nodeMsg.getType() not in deviceTypesSet:
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raise RuntimeError, "Inconsistent device types."
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if not isNode and not isDev and nodeMsg.getType() is not None:
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isNode = nodeMsg.getType() in nodeTypesSet
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isDev = nodeMsg.getType() in deviceTypesSet
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# Add the node/device to either the experiment object in the collector for transmission as
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# part of a API2 session/experiment, or to a new message for independent API2 Node or
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# Device message transmission
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if isNode:
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# add or update an node
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if self.collector:
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nodeOrDev = coreapi2.getNodeByIdx(self.collector.experiment, nodeMsg.getNumber())
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else:
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nodeOrDev = newMsg.node
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elif isDev:
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# add or update a device
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if self.collector:
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||||
nodeOrDev = coreapi2.getDeviceByIdx(self.collector.experiment, nodeMsg.getNumber())
|
||||
else:
|
||||
nodeOrDev = newMsg.device
|
||||
else:
|
||||
raise RuntimeError, "Unrecognized node number without type information"
|
||||
|
||||
if nodeOrDev:
|
||||
nodeOrDev.idx = nodeMsg.getNumber()
|
||||
if nodeMsg.getEmuid() is not None: nodeOrDev.emu_id=nodeMsg.getEmuid()
|
||||
if nodeMsg.getName() is not None: nodeOrDev.name=nodeMsg.getName()
|
||||
if nodeMsg.getXpos() is not None: nodeOrDev.location.x_pos=nodeMsg.getXpos()
|
||||
if nodeMsg.getYpos() is not None: nodeOrDev.location.y_pos=nodeMsg.getYpos()
|
||||
if nodeMsg.getIcon() is not None: nodeOrDev.icon=nodeMsg.getIcon()
|
||||
if nodeMsg.getType() is not None:
|
||||
try:
|
||||
if isDev and devtypeDict.get(nodeMsg.getType()) is not None:
|
||||
nodeOrDev.device_type = devtypeDict.get(nodeMsg.getType())
|
||||
if emulationDict.get(nodeMsg.getType()) is not None:
|
||||
nodeOrDev.emulation = emulationDict.get(nodeMsg.getType())
|
||||
except e:
|
||||
self.warn("Unmapped type in legacy node message")
|
||||
|
||||
# TODO: if nodeMsg.getCanvas() is not None: nodeOrDev.canvas=nodeMsg.getCanvas()
|
||||
# TODO: association with networks
|
||||
# TODO: services
|
||||
|
||||
if newMsg:
|
||||
newMsg.purpose = coreapi2.MODIFY
|
||||
api2msgs.append(coreapi2.pack(newMsg))
|
||||
else:
|
||||
self.warn("Received update for unknown node or device %d" % (nodeMsg.getNumber()))
|
||||
|
||||
|
||||
def processLegacyLinkMsg(self, linkMsg, api2msgs):
|
||||
'''
|
||||
Intercept an outgoing legacy link message generated by the CORE daemon and generate the equivalent
|
||||
API2 messages to send to the client
|
||||
'''
|
||||
|
||||
if self.handler.debug:
|
||||
print "LinkMessage"
|
||||
print "\tn1number", linkMsg.getN1number()
|
||||
print "\tn2number", linkMsg.getN2number()
|
||||
print "\tdelay", linkMsg.getDelay()
|
||||
print "\tbw", linkMsg.getBw()
|
||||
print "\tper", linkMsg.getPer()
|
||||
print "\tdup", linkMsg.getDup()
|
||||
print "\tjitter", linkMsg.getJitter()
|
||||
print "\tmer", linkMsg.getMer()
|
||||
print "\tburst", linkMsg.getBurst()
|
||||
print "\tsession", linkMsg.getSession()
|
||||
print "\tmburst", linkMsg.getMburst()
|
||||
print "\ttype", linkMsg.getType()
|
||||
print "\tguiattr", linkMsg.getGuiattr()
|
||||
print "\temuid", linkMsg.getEmuid()
|
||||
print "\tnetid", linkMsg.getNetid()
|
||||
print "\tkey", linkMsg.getKey()
|
||||
print "\tif1num", linkMsg.getIf1num()
|
||||
print "\tif1ip4", linkMsg.getIf1ip4()
|
||||
print "\tif1ip4mask", linkMsg.getIf1ip4mask()
|
||||
print "\tif1mac", linkMsg.getIf1mac()
|
||||
print "\tif1ip6", linkMsg.getIf1ip6()
|
||||
print "\tif1ip6mask", linkMsg.getIf1ip6mask()
|
||||
print "\tif2num", linkMsg.getIf2num()
|
||||
print "\tif2ip4", linkMsg.getIf2ip4()
|
||||
print "\tif2ip4mask", linkMsg.getIf2ip4mask()
|
||||
print "\tif2ip4mask", linkMsg.getIf2mac()
|
||||
print "\tif2ip6", linkMsg.getIf2ip6()
|
||||
print "\tif2ip6mask", linkMsg.getIf2ip6mask()
|
||||
print "\topaque", linkMsg.getOpaque()
|
||||
|
||||
|
||||
# When collecting information for a complete experment (i.e. when joining an experiment),
|
||||
# add information from legacy Link messages to the experiment message being constructed.
|
||||
# Otherwise, send as an independent Channel message.
|
||||
newMsg = None
|
||||
if not self.collector:
|
||||
# TODO: Add code that will retrieve contextual information from the
|
||||
# associated experiment. (See processLegacyNodeMsg)
|
||||
# newMsg = coreapi2.CoreMessage()
|
||||
# ....
|
||||
return
|
||||
|
||||
|
||||
# When collecting, a link message cannot be emitted by the CORE daemon
|
||||
# prior to node messages. Thus, an experiment must have been created in
|
||||
# the collector object, otherwise, we have a fault.
|
||||
if not self.collector.experiment:
|
||||
raise RuntimeError, 'Invalid collector'
|
||||
|
||||
if not self.collector.experiment.network:
|
||||
self.collector.experiment.network.name = "default"
|
||||
self.collector.experiment.network.idx = 1
|
||||
|
||||
|
||||
# Endpoint 1
|
||||
if coreapi2.findNodeByIdx(self.collector.experiment, linkMsg.getN1number()):
|
||||
ep1 = coreapi2.getNodeInterfaceByIdx(self.collector.experiment,
|
||||
linkMsg.getN1number(),
|
||||
linkMsg.getIf1num())
|
||||
else:
|
||||
ep1 = coreapi2.getDeviceInterfaceByIdx(self.collector.experiment,
|
||||
linkMsg.getN1number(),
|
||||
linkMsg.getIf1num())
|
||||
if linkMsg.getIf1ip4(): ep1.ip4_addr = linkMsg.getIf1ip4()
|
||||
if linkMsg.getIf1ip4mask(): ep1.ip4_mask = linkMsg.getIf1ip4mask()
|
||||
# TODO: Add IPv6 fields updates
|
||||
|
||||
# Endpoint 2
|
||||
if coreapi2.findNodeByIdx(self.collector.experiment, linkMsg.getN2number()):
|
||||
ep2 = coreapi2.getNodeInterfaceByIdx(self.collector.experiment,
|
||||
linkMsg.getN2number(),
|
||||
linkMsg.getIf2num())
|
||||
else:
|
||||
ep2 = coreapi2.getDeviceInterfaceByIdx(self.collector.experiment,
|
||||
linkMsg.getN2number(),
|
||||
linkMsg.getIf2num())
|
||||
if linkMsg.getIf2ip4(): ep2.ip4_addr = linkMsg.getIf2ip4()
|
||||
if linkMsg.getIf2ip4mask(): ep2.ip4_mask = linkMsg.getIf2ip4mask()
|
||||
# TODO: Add IPv6 fields updates
|
||||
|
||||
# Capture updated link characteristics onto the Channel message
|
||||
channel = coreapi2.getChannel(self.collector.network, ep1_interface, ep2_interface)
|
||||
if linkMsg.getDelay() : channel.delay = linkMsg.getDelay()
|
||||
if linkMsg.getBw(): channel.bandwidth = linkMsg.getBw()
|
||||
if linkMsg.getPer(): channel.per = linkMsg.getPer()
|
||||
if linkMsg.getDup(): channel.dups = linkMsg.getDup()
|
||||
if linkMsg.getJitter(): channel.jitter = linkMsg.getJitter()
|
||||
if linkMsg.getMer(): channel.mer = linkMsg.getMer()
|
||||
if linkMsg.getBurst(): channel.burst = linkMsg.getBurst()
|
||||
#TODO: Add remaining channel parameters
|
||||
|
||||
|
||||
|
||||
def processApi2SessionMsg(self, message, purpose):
|
||||
legacymsgs = []
|
||||
if purpose == coreapi2.ADD:
|
||||
if self.handler.debug:
|
||||
self.info('Received ADD session request message')
|
||||
|
||||
legacymsgs.append(wrapper.RegMsg.instantiate(0, gui='true'))
|
||||
return legacymsgs
|
||||
# The response will be sent to the API2 client when a legacy session message is received from the daemon
|
||||
elif purpose == coreapi2.MODIFY:
|
||||
if self.handler.debug:
|
||||
self.info('Received MODIFY session request message')
|
||||
|
||||
if message.HasField("experiment"):
|
||||
exp = message.experiment
|
||||
if exp.HasField("experimentId"):
|
||||
expId = str(exp.experimentId)
|
||||
response = coreapi2.CoreMessage()
|
||||
response.experiment.experimentId = exp.experimentId;
|
||||
response.purpose = purpose
|
||||
with self.lock:
|
||||
# Start a collector for nodes, devices and channels in the
|
||||
self.collector = response
|
||||
if expId.startswith('_'):
|
||||
try:
|
||||
legacySessNo = int(expId[1:])
|
||||
if self.handler.debug:
|
||||
self.info('request connection to session %d' % (legacySessNo))
|
||||
msg = wrapper.SessionMsg.instantiate(
|
||||
coreapi.CORE_API_ADD_FLAG | coreapi.CORE_API_STR_FLAG,
|
||||
str(legacySessNo), nodecount="0")
|
||||
legacymsgs.append(msg)
|
||||
|
||||
except Exception, e:
|
||||
if self.handler.debug:
|
||||
self.info("-"*60)
|
||||
traceback.print_exc(file=sys.stdout)
|
||||
self.info("-"*60)
|
||||
raise e
|
||||
else:
|
||||
# TODO: get legacy session number from experimentId if running, or pass back
|
||||
# non-running experiment components
|
||||
pass
|
||||
else:
|
||||
self.warn("session modify request without an experimentId")
|
||||
else:
|
||||
self.warn("session modify request without an experiment")
|
||||
|
||||
return legacymsgs
|
||||
elif purpose == coreapi2.DELETE:
|
||||
legacymsgs.append(wrapper.ConfMsg.instantiate("all",
|
||||
coreapi.CONF_TYPE_FLAGS_RESET))
|
||||
# TODO: Remove experiment from dictionary
|
||||
|
||||
else:
|
||||
self.warn('Received invalid purpose for SESSION')
|
||||
|
||||
|
||||
def processApi2ExperimentMsg(self, exp, purpose):
|
||||
if purpose == coreapi2.ADD:
|
||||
if ExperimentStore.addExperiment(exp):
|
||||
response = coreapi2.CoreMessage()
|
||||
response.experiment.experimentId = exp.experimentId;
|
||||
response.purpose = purpose
|
||||
|
||||
# Associate the newly added experiment with this bridge.
|
||||
# Start a collector for gathering messages for nodes and links instantiated
|
||||
# by the daemon
|
||||
with self.lock:
|
||||
if not self.collector:
|
||||
self.assocExperiment = exp
|
||||
self.collector = response
|
||||
else:
|
||||
raise RuntimeError, "Instantiation of experiment while another is active"
|
||||
self.handler.request.sendall(coreapi2.pack(response))
|
||||
return self.translateApi2ExperimentMsg(exp)
|
||||
else:
|
||||
return self.Api2Error("unable to add experiment")
|
||||
elif purpose == coreapi2.MODIFY:
|
||||
# Detect if a change in state is requested
|
||||
if exp.HasField('running'):
|
||||
if exp.running:
|
||||
# TODO: Check for a state transition
|
||||
# transition to instantiation state (legacy)
|
||||
msgs = []
|
||||
msgs.append(wrapper.EventMsg.instantiate(
|
||||
legacy.CORE_EVENT_INSTANTIATION_STATE))
|
||||
return msgs
|
||||
else:
|
||||
# TODO: Check for transition from running to not running
|
||||
# transition to data collection state (legacy)
|
||||
msgs = []
|
||||
msgs.append(wrapper.EventMsg.instantiate(
|
||||
legacy.CORE_EVENT_DATACOLLECT_STATE))
|
||||
return msgs
|
||||
else:
|
||||
self.warn("Unsupported experiment modification received")
|
||||
|
||||
|
||||
def translateApi2ExperimentMsg(self, message):
|
||||
if self.handler.debug:
|
||||
self.info('Received experiment message')
|
||||
msgs = []
|
||||
# Flag need to be 0 otherwise CORE will not enter runtime state (per JavaAdaptor, need verification)
|
||||
msgs.append(wrapper.SessionMsg.instantiate(
|
||||
0, "0",
|
||||
nodecount=str(len(message.nodes) + len(message.devices))))
|
||||
# Quickly transition through the definition and configuration states
|
||||
msgs.append(wrapper.EventMsg.instantiate(
|
||||
legacy.CORE_EVENT_DEFINITION_STATE))
|
||||
msgs.append(wrapper.EventMsg.instantiate(
|
||||
legacy.CORE_EVENT_CONFIGURATION_STATE))
|
||||
|
||||
# Send location
|
||||
# TODO: Add this info to the Experiment
|
||||
msgs.append(wrapper.ConfMsg.instantiate(obj="location",
|
||||
dataTypes=(9,9,9,9,9,9),
|
||||
dataValues='0|0| 47.5766974863|-122.125920191|0.0|150.0'))
|
||||
|
||||
# TODO
|
||||
# Send control net configuration
|
||||
# send node types
|
||||
# send services
|
||||
|
||||
# send nodes
|
||||
devices = {}
|
||||
for node in message.nodes:
|
||||
if node.idx in devices:
|
||||
raise IOError, "received experiment with node/device duplicates"
|
||||
devices[node.idx] = node
|
||||
# TODO: Add other fields
|
||||
msgs.append(wrapper.NodeMsg.instantiate(
|
||||
legacy.CORE_API_ADD_FLAG|legacy.CORE_API_STR_FLAG,
|
||||
node.idx,
|
||||
str(node.name)))
|
||||
|
||||
for device in message.devices:
|
||||
if device.idx in devices:
|
||||
raise IOError, "received experiment with node/device duplicates"
|
||||
devices[device.idx] = device
|
||||
# TODO: Add other fields
|
||||
msgs.append(wrapper.NodeMsg.instantiate(
|
||||
legacy.CORE_API_ADD_FLAG|legacy.CORE_API_STR_FLAG,
|
||||
device.idx,
|
||||
str(device.name),
|
||||
type = legacy.CORE_NODE_SWITCH)) # TODO: Update this later
|
||||
|
||||
for network in message.networks:
|
||||
for channel in network.channels:
|
||||
if len(channel.endpoints) == 2:
|
||||
ep0 = channel.endpoints[0]
|
||||
ep1 = channel.endpoints[1]
|
||||
if ep0.dev_idx not in devices or ep1.dev_idx not in devices:
|
||||
raise IOError, "received channel message with invalid first endpoint device (%d)" % (ep0.dev_idx)
|
||||
if ep1.dev_idx not in devices:
|
||||
raise IOError, "received channel message with invalid second endpoint device (%d)" % (ep1.dev_idx)
|
||||
if ep0.intf_idx in devices[ep0.dev_idx].interfaces:
|
||||
raise IOError, "received channel message with invalid first endpoint interface (%d)" % (ep0.intf_idx)
|
||||
if ep1.intf_idx in devices[ep1.dev_idx].interfaces:
|
||||
raise IOError, "received channel message with invalid second endpoint interface (%d)" % (ep1.intf_idx)
|
||||
|
||||
if0 = devices[ep0.dev_idx].interfaces[ep0.intf_idx]
|
||||
if1 = devices[ep1.dev_idx].interfaces[ep1.intf_idx]
|
||||
|
||||
msgs.append(wrapper.LinkMsg.instantiate(legacy.CORE_API_ADD_FLAG,
|
||||
ep0.dev_idx,ep0.intf_idx,
|
||||
ep1.dev_idx,ep1.intf_idx,
|
||||
if1ip4=if0.ip4_addr if if0.HasField("ip4_addr") else None,
|
||||
if2ip4=if1.ip4_addr if if1.HasField("ip4_addr") else None))
|
||||
|
||||
# TODO
|
||||
# send metadata
|
||||
|
||||
|
||||
# Finally, set the new experiment ID in the legacy core session as metadata
|
||||
# TODO: Append this to the end of metadata above
|
||||
msgs.append(wrapper.ConfMsg.instantiate("metadata",
|
||||
dataTypes = (coreapi.CONF_DATA_TYPE_STRING,),
|
||||
dataValues = "experimentId=%s" % (str(message.experimentId))))
|
||||
|
||||
return msgs
|
||||
|
||||
|
||||
def processApi2Event(self, event, purpose):
|
||||
if self.debug:
|
||||
self.info('Received event')
|
||||
|
||||
|
||||
|
||||
|
||||
|
||||
|
|
@ -62,4 +62,4 @@ emane_models = RfPipe, Ieee80211abg, CommEffect, Bypass
|
|||
#emane_log_level = 2
|
||||
emane_realtime = True
|
||||
|
||||
api2port = 12222
|
||||
aux_request_handler = core.addons.api2.CoreApi2RequestHandler:12222
|
||||
File diff suppressed because it is too large
Load diff
Loading…
Reference in a new issue