updates to support external transport configuration and an emane transport service to generate and run emanetransport for a configured external transport model

daemon/core/services/emaneservices.py

@@ -0,0 +1,40 @@
+from core.enumerations import NodeTypes
+from core.misc import nodeutils
+from core.service import CoreService
+from core.xml import emanexml
+
+
+class EmaneTransportService(CoreService):
+    name = "transportd"
+    executables = ("emanetransportd", "emanegentransportxml")
+    group = "EMANE"
+    dependencies = ()
+    dirs = ()
+    configs = ("emanetransport.sh",)
+    startup = ("sh %s" % configs[0],)
+    validate = ("pidof %s" % executables[0],)
+    validation_timer = 0.5
+    shutdown = ("killall %s" % executables[0],)
+
+    @classmethod
+    def generate_config(cls, node, filename):
+        if filename == cls.configs[0]:
+            transport_commands = []
+            for interface in node.netifs(sort=True):
+                network_node = node.session.get_object(interface.net.objid)
+                if nodeutils.is_node(network_node, NodeTypes.EMANE):
+                    if not node.session.emane.has_configs(network_node.objid):
+                        continue
+                    all_configs = node.session.emane.get_all_configs(network_node.objid)
+                    config = all_configs.get(network_node.model.name)
+                    if emanexml.is_external(config):
+                        nem_id = network_node.getnemid(interface)
+                        command = "emanetransportd -r -l 0 -d ../transportdaemon%s.xml" % nem_id
+                        transport_commands.append(command)
+            transport_commands = "\n".join(transport_commands)
+            return """
+emanegentransportxml -o ../ ../platform%s.xml
+%s
+""" % (node.objid, transport_commands)
+        else:
+            raise ValueError