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adding support to start the tdma schedule after emane startup

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This commit is contained in:
Blake J. Harnden 2018-03-26 10:27:39 -07:00
parent e4652f6879
commit 45f041604a
3 changed files with 58 additions and 11 deletions
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37
daemon/core/emane/tdma.py
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@ -2,18 +2,26 @@
tdma.py: EMANE TDMA model bindings for CORE
"""
import os
from core import constants
from core import logger
from core.emane.emanemodel import EmaneModel
from core.emane.universal import EmaneUniversalModel
from core.enumerations import ConfigDataTypes
from core.misc import utils
class EmaneTdmaModel(EmaneModel):
# model name
name = "emane_tdma"
xml_path = "/usr/share/emane/xml/models/mac/tdmaeventscheduler"
schedule_name = "schedule"
default_schedule = os.path.join(constants.CORE_DATA_DIR, "examples", "tdma", "schedule.xml")
# MAC parameters
_confmatrix_mac = [
(schedule_name, ConfigDataTypes.STRING.value, default_schedule, "", "TDMA schedule that will be set"),
("enablepromiscuousmode", ConfigDataTypes.BOOL.value, "0", "True,False", "enable promiscuous mode"),
("flowcontrolenable", ConfigDataTypes.BOOL.value, "0", "On,Off", "enable traffic flow control"),
("flowcontroltokens", ConfigDataTypes.UINT16.value, "10", "", "number of flow control tokens"),
@ -49,6 +57,24 @@ class EmaneTdmaModel(EmaneModel):
def __init__(self, session, object_id=None):
EmaneModel.__init__(self, session, object_id)
def post_startup(self, emane_manager, ifc):
"""
Logic to execute after the emane manager is finished with startup.
:param core.emane.emanemanager.EmaneManager emane_manager: emane manager for the session
:param ifc: an interface for the emane node this model is tied to
:return: nothing
"""
# get configured schedule
values = emane_manager.getifcconfig(self.object_id, self.name, self.getdefaultvalues(), ifc)
schedule = self.valueof(EmaneTdmaModel.schedule_name, values)
event_device = emane_manager.event_device
# initiate tdma schedule
logger.info("setting up tdma schedule: schedule(%s) device(%s)", schedule, event_device)
utils.check_cmd(["emaneevent-tdmaschedule", "-i", event_device, schedule])
def buildnemxmlfiles(self, e, ifc):
"""
Build the necessary nem, mac, and phy XMLs in the given path.
@ -75,15 +101,20 @@ class EmaneTdmaModel(EmaneModel):
names = list(self.getnames())
macnames = names[:len(self._confmatrix_mac)]
phynames = names[len(self._confmatrix_mac):]
# make any changes to the mac/phy names here to e.g. exclude them from
# the XML output
# make any changes to the mac/phy names here to e.g. exclude them from the XML output
macnames.remove(EmaneTdmaModel.schedule_name)
macdoc = e.xmldoc("mac")
mac = macdoc.getElementsByTagName("mac").pop()
mac.setAttribute("name", "TDMA MAC")
mac.setAttribute("library", "tdmaeventschedulerradiomodel")
# append MAC options to macdoc
map(lambda n: mac.appendChild(e.xmlparam(macdoc, n, self.valueof(n, values))), macnames)
for name in macnames:
value = self.valueof(name, values)
param = e.xmlparam(macdoc, name, value)
mac.appendChild(param)
e.xmlwrite(macdoc, self.macxmlname(ifc))
phydoc = EmaneUniversalModel.getphydoc(e, self, values, phynames)