From 629d0584993e938a93e9fca4590a3fc76a03769a Mon Sep 17 00:00:00 2001
From: Joel Bender <joel@betelgeuse>
Date: Fri, 8 Mar 2019 11:11:42 -0500
Subject: [PATCH] additional sample for network application registered as a
 foreign device

---
 samples/WhoIsRouterForeign.py | 142 ++++++++++++++++++++++++++++++++++
 1 file changed, 142 insertions(+)
 create mode 100755 samples/WhoIsRouterForeign.py

diff --git a/samples/WhoIsRouterForeign.py b/samples/WhoIsRouterForeign.py
new file mode 100755
index 0000000..af77f40
--- /dev/null
+++ b/samples/WhoIsRouterForeign.py
@@ -0,0 +1,142 @@
+#!/usr/bin/env python
+
+"""
+This sample application has just a network stack, not a full application,
+and is a way to create InitializeRoutingTable and WhoIsRouterToNetwork requests.
+"""
+
+from bacpypes.debugging import bacpypes_debugging, ModuleLogger
+from bacpypes.consolelogging import ConfigArgumentParser
+from bacpypes.consolecmd import ConsoleCmd
+
+from bacpypes.core import run, enable_sleeping
+
+from bacpypes.pdu import Address
+from bacpypes.npdu import (
+    WhoIsRouterToNetwork, IAmRouterToNetwork,
+    InitializeRoutingTable, InitializeRoutingTableAck,
+    )
+
+from bacpypes.app import BIPNetworkApplication
+
+# some debugging
+_debug = 0
+_log = ModuleLogger(globals())
+
+# globals
+this_application = None
+this_console = None
+
+#
+#   WhoIsRouterApplication
+#
+
+@bacpypes_debugging
+class WhoIsRouterApplication(BIPNetworkApplication):
+
+    def __init__(self, *args):
+        if _debug: WhoIsRouterApplication._debug("__init__ %r", args)
+        BIPNetworkApplication.__init__(self, *args)
+
+    def request(self, adapter, npdu):
+        if _debug: WhoIsRouterApplication._debug("request %r %r", adapter, npdu)
+        BIPNetworkApplication.request(self, adapter, npdu)
+
+    def indication(self, adapter, npdu):
+        if _debug: WhoIsRouterApplication._debug("indication %r %r", adapter, npdu)
+
+        if isinstance(npdu, IAmRouterToNetwork):
+            print("{} -> {}, {}".format(npdu.pduSource, npdu.pduDestination, npdu.iartnNetworkList))
+
+        elif isinstance(npdu, InitializeRoutingTableAck):
+            print("{} routing table".format(npdu.pduSource))
+            for rte in npdu.irtaTable:
+                print("    {} {} {}".format(rte.rtDNET, rte.rtPortID, rte.rtPortInfo))
+
+        BIPNetworkApplication.indication(self, adapter, npdu)
+
+    def response(self, adapter, npdu):
+        if _debug: WhoIsRouterApplication._debug("response %r %r", adapter, npdu)
+        BIPNetworkApplication.response(self, adapter, npdu)
+
+    def confirmation(self, adapter, npdu):
+        if _debug: WhoIsRouterApplication._debug("confirmation %r %r", adapter, npdu)
+        BIPNetworkApplication.confirmation(self, adapter, npdu)
+
+#
+#   WhoIsRouterConsoleCmd
+#
+
+@bacpypes_debugging
+class WhoIsRouterConsoleCmd(ConsoleCmd):
+
+    def do_irt(self, args):
+        """irt <addr>"""
+        args = args.split()
+        if _debug: WhoIsRouterConsoleCmd._debug("do_irt %r", args)
+
+        # build a request
+        try:
+            request = InitializeRoutingTable()
+            request.pduDestination = Address(args[0])
+        except:
+            print("invalid arguments")
+            return
+
+        # give it to the application
+        this_application.request(this_application.nsap.local_adapter, request)
+
+    def do_wirtn(self, args):
+        """wirtn <addr> [ <net> ]"""
+        args = args.split()
+        if _debug: WhoIsRouterConsoleCmd._debug("do_wirtn %r", args)
+
+        # build a request
+        try:
+            request = WhoIsRouterToNetwork()
+            request.pduDestination = Address(args[0])
+            if (len(args) > 1):
+                request.wirtnNetwork = int(args[1])
+        except:
+            print("invalid arguments")
+            return
+
+        # give it to the application
+        this_application.request(this_application.nsap.local_adapter, request)
+
+#
+#   __main__
+#
+
+def main():
+    global this_application
+
+    # parse the command line arguments
+    args = ConfigArgumentParser(description=__doc__).parse_args()
+
+    if _debug: _log.debug("initialization")
+    if _debug: _log.debug("    - args: %r", args)
+
+    # make a simple application
+    this_application = WhoIsRouterApplication(
+        args.ini.address,
+        Address(args.ini.foreignbbmd),
+        int(args.ini.foreignttl),
+        )
+    if _debug: _log.debug("    - this_application: %r", this_application)
+
+    # make a console
+    this_console = WhoIsRouterConsoleCmd()
+    if _debug: _log.debug("    - this_console: %r", this_console)
+
+    # enable sleeping will help with threads
+    enable_sleeping()
+
+    _log.debug("running")
+
+    run()
+
+    _log.debug("fini")
+
+if __name__ == "__main__":
+    main()