385 lines
12 KiB
Python
385 lines
12 KiB
Python
import logging
|
|
import os
|
|
from tempfile import NamedTemporaryFile
|
|
from typing import TYPE_CHECKING, Dict, List, Optional, Set, Tuple
|
|
|
|
from lxml import etree
|
|
|
|
from core import utils
|
|
from core.config import Configuration
|
|
from core.emane.nodes import EmaneNet
|
|
from core.emulator.distributed import DistributedServer
|
|
from core.errors import CoreError
|
|
from core.nodes.interface import CoreInterface
|
|
from core.nodes.network import CtrlNet
|
|
from core.xml import corexml
|
|
|
|
if TYPE_CHECKING:
|
|
from core.emane.emanemanager import EmaneManager
|
|
from core.emane.emanemodel import EmaneModel
|
|
|
|
_MAC_PREFIX = "02:02"
|
|
|
|
|
|
def is_external(config: Dict[str, str]) -> bool:
|
|
"""
|
|
Checks if the configuration is for an external transport.
|
|
|
|
:param config: configuration to check
|
|
:return: True if external, False otherwise
|
|
"""
|
|
return config.get("external") == "1"
|
|
|
|
|
|
def _value_to_params(value: str) -> Optional[Tuple[str]]:
|
|
"""
|
|
Helper to convert a parameter to a parameter tuple.
|
|
|
|
:param value: value string to convert to tuple
|
|
:return: parameter tuple, None otherwise
|
|
"""
|
|
try:
|
|
values = utils.make_tuple_fromstr(value, str)
|
|
if not hasattr(values, "__iter__"):
|
|
return None
|
|
if len(values) < 2:
|
|
return None
|
|
return values
|
|
except SyntaxError:
|
|
logging.exception("error in value string to param list")
|
|
return None
|
|
|
|
|
|
def create_file(
|
|
xml_element: etree.Element,
|
|
doc_name: str,
|
|
file_path: str,
|
|
server: DistributedServer = None,
|
|
) -> None:
|
|
"""
|
|
Create xml file.
|
|
|
|
:param xml_element: root element to write to file
|
|
:param doc_name: name to use in the emane doctype
|
|
:param file_path: file path to write xml file to
|
|
:param server: remote server to create file on
|
|
:return: nothing
|
|
"""
|
|
doctype = (
|
|
f'<!DOCTYPE {doc_name} SYSTEM "file:///usr/share/emane/dtd/{doc_name}.dtd">'
|
|
)
|
|
if server:
|
|
temp = NamedTemporaryFile(delete=False)
|
|
corexml.write_xml_file(xml_element, temp.name, doctype=doctype)
|
|
temp.close()
|
|
server.remote_put(temp.name, file_path)
|
|
os.unlink(temp.name)
|
|
else:
|
|
corexml.write_xml_file(xml_element, file_path, doctype=doctype)
|
|
|
|
|
|
def create_iface_file(
|
|
iface: CoreInterface, xml_element: etree.Element, doc_name: str, file_name: str
|
|
) -> None:
|
|
"""
|
|
Create emane xml for an interface.
|
|
|
|
:param iface: interface running emane
|
|
:param xml_element: root element to write to file
|
|
:param doc_name: name to use in the emane doctype
|
|
:param file_name: name of xml file
|
|
:return:
|
|
"""
|
|
node = iface.node
|
|
if iface.is_raw():
|
|
file_path = os.path.join(node.session.session_dir, file_name)
|
|
else:
|
|
file_path = os.path.join(node.nodedir, file_name)
|
|
create_file(xml_element, doc_name, file_path, node.server)
|
|
|
|
|
|
def add_param(xml_element: etree.Element, name: str, value: str) -> None:
|
|
"""
|
|
Add emane configuration parameter to xml element.
|
|
|
|
:param xml_element: element to append parameter to
|
|
:param name: name of parameter
|
|
:param value: value for parameter
|
|
:return: nothing
|
|
"""
|
|
etree.SubElement(xml_element, "param", name=name, value=value)
|
|
|
|
|
|
def add_configurations(
|
|
xml_element: etree.Element,
|
|
configurations: List[Configuration],
|
|
config: Dict[str, str],
|
|
config_ignore: Set,
|
|
) -> None:
|
|
"""
|
|
Add emane model configurations to xml element.
|
|
|
|
:param xml_element: xml element to add emane configurations to
|
|
:param configurations: configurations to add to xml
|
|
:param config: configuration values
|
|
:param config_ignore: configuration options to ignore
|
|
:return:
|
|
"""
|
|
for configuration in configurations:
|
|
# ignore custom configurations
|
|
name = configuration.id
|
|
if name in config_ignore:
|
|
continue
|
|
|
|
# check if value is a multi param
|
|
value = str(config[name])
|
|
params = _value_to_params(value)
|
|
if params:
|
|
params_element = etree.SubElement(xml_element, "paramlist", name=name)
|
|
for param in params:
|
|
etree.SubElement(params_element, "item", value=param)
|
|
else:
|
|
add_param(xml_element, name, value)
|
|
|
|
|
|
def build_platform_xml(
|
|
emane_manager: "EmaneManager",
|
|
control_net: CtrlNet,
|
|
emane_net: EmaneNet,
|
|
iface: CoreInterface,
|
|
nem_id: int,
|
|
) -> None:
|
|
"""
|
|
Create platform xml for a specific node.
|
|
|
|
:param emane_manager: emane manager with emane
|
|
configurations
|
|
:param control_net: control net node for this emane
|
|
network
|
|
:param emane_net: emane network associated with interface
|
|
:param iface: interface running emane
|
|
:param nem_id: nem id to use for this interface
|
|
:return: the next nem id that can be used for creating platform xml files
|
|
"""
|
|
# build nem xml
|
|
nem_definition = nem_file_name(iface)
|
|
nem_element = etree.Element(
|
|
"nem", id=str(nem_id), name=iface.localname, definition=nem_definition
|
|
)
|
|
|
|
# check if this is an external transport, get default config if an interface
|
|
# specific one does not exist
|
|
config = emane_manager.get_iface_config(emane_net, iface)
|
|
if is_external(config):
|
|
nem_element.set("transport", "external")
|
|
platform_endpoint = "platformendpoint"
|
|
add_param(nem_element, platform_endpoint, config[platform_endpoint])
|
|
transport_endpoint = "transportendpoint"
|
|
add_param(nem_element, transport_endpoint, config[transport_endpoint])
|
|
else:
|
|
transport_name = transport_file_name(iface)
|
|
transport_element = etree.SubElement(
|
|
nem_element, "transport", definition=transport_name
|
|
)
|
|
add_param(transport_element, "device", iface.name)
|
|
|
|
transport_configs = {"otamanagerdevice", "eventservicedevice"}
|
|
platform_element = etree.Element("platform")
|
|
for configuration in emane_manager.emane_config.emulator_config:
|
|
name = configuration.id
|
|
if iface.is_raw() and name in transport_configs:
|
|
value = control_net.brname
|
|
else:
|
|
value = emane_manager.get_config(name)
|
|
add_param(platform_element, name, value)
|
|
platform_element.append(nem_element)
|
|
mac = _MAC_PREFIX + ":00:00:"
|
|
mac += f"{(nem_id >> 8) & 0xFF:02X}:{nem_id & 0xFF:02X}"
|
|
iface.set_mac(mac)
|
|
|
|
doc_name = "platform"
|
|
file_name = f"{iface.name}-platform.xml"
|
|
create_iface_file(iface, platform_element, doc_name, file_name)
|
|
|
|
|
|
def create_transport_xml(iface: CoreInterface, config: Dict[str, str]) -> None:
|
|
"""
|
|
Build transport xml file for node and transport type.
|
|
|
|
:param iface: interface to build transport xml for
|
|
:param config: all current configuration values
|
|
:return: nothing
|
|
"""
|
|
transport_type = iface.transport_type
|
|
transport_element = etree.Element(
|
|
"transport",
|
|
name=f"{transport_type.value.capitalize()} Transport",
|
|
library=f"trans{transport_type.value.lower()}",
|
|
)
|
|
add_param(transport_element, "bitrate", "0")
|
|
|
|
# get emane model cnfiguration
|
|
flowcontrol = config.get("flowcontrolenable", "0") == "1"
|
|
if iface.is_virtual():
|
|
device_path = "/dev/net/tun_flowctl"
|
|
if not os.path.exists(device_path):
|
|
device_path = "/dev/net/tun"
|
|
add_param(transport_element, "devicepath", device_path)
|
|
if flowcontrol:
|
|
add_param(transport_element, "flowcontrolenable", "on")
|
|
doc_name = "transport"
|
|
transport_name = transport_file_name(iface)
|
|
create_iface_file(iface, transport_element, doc_name, transport_name)
|
|
|
|
|
|
def create_phy_xml(
|
|
emane_model: "EmaneModel", iface: CoreInterface, config: Dict[str, str]
|
|
) -> None:
|
|
"""
|
|
Create the phy xml document.
|
|
|
|
:param emane_model: emane model to create xml
|
|
:param iface: interface to create xml for
|
|
:param config: all current configuration values
|
|
:return: nothing
|
|
"""
|
|
phy_element = etree.Element("phy", name=f"{emane_model.name} PHY")
|
|
if emane_model.phy_library:
|
|
phy_element.set("library", emane_model.phy_library)
|
|
add_configurations(
|
|
phy_element, emane_model.phy_config, config, emane_model.config_ignore
|
|
)
|
|
file_name = phy_file_name(iface)
|
|
create_iface_file(iface, phy_element, "phy", file_name)
|
|
|
|
|
|
def create_mac_xml(
|
|
emane_model: "EmaneModel", iface: CoreInterface, config: Dict[str, str]
|
|
) -> None:
|
|
"""
|
|
Create the mac xml document.
|
|
|
|
:param emane_model: emane model to create xml
|
|
:param iface: interface to create xml for
|
|
:param config: all current configuration values
|
|
:return: nothing
|
|
"""
|
|
if not emane_model.mac_library:
|
|
raise CoreError("must define emane model library")
|
|
mac_element = etree.Element(
|
|
"mac", name=f"{emane_model.name} MAC", library=emane_model.mac_library
|
|
)
|
|
add_configurations(
|
|
mac_element, emane_model.mac_config, config, emane_model.config_ignore
|
|
)
|
|
file_name = mac_file_name(iface)
|
|
create_iface_file(iface, mac_element, "mac", file_name)
|
|
|
|
|
|
def create_nem_xml(
|
|
emane_model: "EmaneModel", iface: CoreInterface, config: Dict[str, str]
|
|
) -> None:
|
|
"""
|
|
Create the nem xml document.
|
|
|
|
:param emane_model: emane model to create xml
|
|
:param iface: interface to create xml for
|
|
:param config: all current configuration values
|
|
:return: nothing
|
|
"""
|
|
nem_element = etree.Element("nem", name=f"{emane_model.name} NEM")
|
|
if is_external(config):
|
|
nem_element.set("type", "unstructured")
|
|
else:
|
|
transport_name = transport_file_name(iface)
|
|
etree.SubElement(nem_element, "transport", definition=transport_name)
|
|
mac_name = mac_file_name(iface)
|
|
etree.SubElement(nem_element, "mac", definition=mac_name)
|
|
phy_name = phy_file_name(iface)
|
|
etree.SubElement(nem_element, "phy", definition=phy_name)
|
|
nem_name = nem_file_name(iface)
|
|
create_iface_file(iface, nem_element, "nem", nem_name)
|
|
|
|
|
|
def create_event_service_xml(
|
|
group: str,
|
|
port: str,
|
|
device: str,
|
|
file_directory: str,
|
|
server: DistributedServer = None,
|
|
) -> None:
|
|
"""
|
|
Create a emane event service xml file.
|
|
|
|
:param group: event group
|
|
:param port: event port
|
|
:param device: event device
|
|
:param file_directory: directory to create file in
|
|
:param server: remote server node
|
|
will run on, default is None for localhost
|
|
:return: nothing
|
|
"""
|
|
event_element = etree.Element("emaneeventmsgsvc")
|
|
for name, value in (
|
|
("group", group),
|
|
("port", port),
|
|
("device", device),
|
|
("mcloop", "1"),
|
|
("ttl", "32"),
|
|
):
|
|
sub_element = etree.SubElement(event_element, name)
|
|
sub_element.text = value
|
|
file_name = "libemaneeventservice.xml"
|
|
file_path = os.path.join(file_directory, file_name)
|
|
create_file(event_element, "emaneeventmsgsvc", file_path, server)
|
|
|
|
|
|
def transport_file_name(iface: CoreInterface) -> str:
|
|
"""
|
|
Create name for a transport xml file.
|
|
|
|
:param iface: interface running emane
|
|
:return: transport xml file name
|
|
"""
|
|
return f"{iface.name}-trans-{iface.transport_type.value}.xml"
|
|
|
|
|
|
def nem_file_name(iface: CoreInterface) -> str:
|
|
"""
|
|
Return the string name for the NEM XML file, e.g. "eth0-nem.xml"
|
|
|
|
:param iface: interface running emane
|
|
:return: nem xm file name
|
|
"""
|
|
append = "-raw" if iface.is_raw() else ""
|
|
return f"{iface.name}-nem{append}.xml"
|
|
|
|
|
|
def shim_file_name(iface: CoreInterface = None) -> str:
|
|
"""
|
|
Return the string name for the SHIM XML file, e.g. "eth0-shim.xml"
|
|
|
|
:param iface: interface running emane
|
|
:return: shim xml file name
|
|
"""
|
|
return f"{iface.name}-shim.xml"
|
|
|
|
|
|
def mac_file_name(iface: CoreInterface) -> str:
|
|
"""
|
|
Return the string name for the MAC XML file, e.g. "eth0-mac.xml"
|
|
|
|
:param iface: interface running emane
|
|
:return: mac xml file name
|
|
"""
|
|
return f"{iface.name}-mac.xml"
|
|
|
|
|
|
def phy_file_name(iface: CoreInterface) -> str:
|
|
"""
|
|
Return the string name for the PHY XML file, e.g. "eth0-phy.xml"
|
|
|
|
:param iface: interface running emane
|
|
:return: phy xml file name
|
|
"""
|
|
return f"{iface.name}-phy.xml"
|