Reticulum/FPE/FlexPE.py
2016-06-03 19:02:02 +02:00

111 lines
2.9 KiB
Python

from Interfaces import *
import ConfigParser
import jsonpickle
from vendor.configobj import ConfigObj
import struct
import array
import os.path
import os
class FlexPE:
MTU = 700
router = None
config = None
destinations = []
interfaces = []
configdir = os.path.expanduser("~")+"/.flexpe"
configpath = configdir+"/config"
def __init__(self):
if os.path.isfile(FlexPE.configpath):
self.config = ConfigObj(FlexPE.configpath)
else:
print("Could not load config file, creating default configuration...")
self.createDefaultConfig()
self.applyConfig()
print FlexPE.interfaces
FlexPE.router = self
@staticmethod
def addDestination(destination):
destination.MTU = FlexPE.MTU
FlexPE.destinations.append(destination)
@staticmethod
def incoming(data):
header = struct.unpack("B", data[0])
hash = data[1:11]
type = header[0] & 0x03
for destination in FlexPE.destinations:
if destination.hash == hash and destination.type == type:
destination.receive(data[11:])
@staticmethod
def outbound(raw):
for interface in FlexPE.interfaces:
if interface.OUT:
interface.processOutgoing(raw)
def applyConfig(self):
for name in self.config["interfaces"]:
c = self.config["interfaces"][name]
try:
if c["type"] == "UdpInterface":
interface = UdpInterface.UdpInterface(
self,
c["listen_ip"],
int(c["listen_port"]),
c["forward_ip"],
int(c["forward_port"])
)
if c["use_as_outgoing"].lower() == "true":
interface.OUT = True
interface.name = name
FlexPE.interfaces.append(interface)
if c["type"] == "SerialInterface":
interface = SerialInterface.SerialInterface(
self,
c["port"],
int(c["speed"]),
int(c["databits"]),
c["parity"],
int(c["stopbits"])
)
if c["use_as_outgoing"].lower() == "true":
interface.OUT = True
interface.name = name
FlexPE.interfaces.append(interface)
except Exception as e:
print("The interface \""+name+"\" could not be created. Check your configuration file for errors!")
print("The contained error was: "+str(e))
def createDefaultConfig(self):
self.config = ConfigObj()
self.config.filename = FlexPE.configpath
self.config["interfaces"] = {}
self.config["interfaces"]["Default UDP Interface"] = {}
self.config["interfaces"]["Default UDP Interface"]["type"] = "UdpInterface"
self.config["interfaces"]["Default UDP Interface"]["listen_ip"] = "0.0.0.0"
self.config["interfaces"]["Default UDP Interface"]["listen_port"] = 7777
self.config["interfaces"]["Default UDP Interface"]["forward_ip"] = "255.255.255.255"
self.config["interfaces"]["Default UDP Interface"]["forward_port"] = 7777
self.config["interfaces"]["Default UDP Interface"]["use_as_outgoing"] = "true"
if not os.path.isdir(FlexPE.configdir):
os.makedirs(FlexPE.configdir)
self.config.write()
self.applyConfig()