Support packet filtering for dynamips

Fix #1109

gns3server/compute/base_node.py

@@ -599,7 +599,7 @@ class BaseNode:
             yield from self._ubridge_send("bridge delete {name}".format(name=name))
 
     @asyncio.coroutine
-    def _update_ubridge_udp_connection(self, bridge_name, source_nio, destination_nio):
+    def update_ubridge_udp_connection(self, bridge_name, source_nio, destination_nio):
         yield from self._ubridge_apply_filters(bridge_name, destination_nio.filters)
 
     @asyncio.coroutine

gns3server/compute/dynamips/nios/nio_udp.py

@@ -54,6 +54,14 @@ class NIOUDP(NIO):
         self._node = node
         super().__init__(name, node.hypervisor)
 
+    @property
+    def filters(self):
+        return self._filters
+
+    @filters.setter
+    def filters(self, val):
+        self._filters = val
+
     @asyncio.coroutine
     def create(self):
         if not self._hypervisor:
@@ -67,7 +75,7 @@ class NIOUDP(NIO):
             return
         self._local_tunnel_lport = self._node.manager.port_manager.get_free_udp_port(self._node.project)
         self._local_tunnel_rport = self._node.manager.port_manager.get_free_udp_port(self._node.project)
-        name = 'DYNAMIPS-{}-{}'.format(self._local_tunnel_lport, self._local_tunnel_rport)
+        self._bridge_name = 'DYNAMIPS-{}-{}'.format(self._local_tunnel_lport, self._local_tunnel_rport)
         yield from self._hypervisor.send("nio create_udp {name} {lport} {rhost} {rport}".format(name=self._name,
                                                                                                 lport=self._local_tunnel_lport,
                                                                                                 rhost='127.0.0.1',
@@ -77,23 +85,33 @@ class NIOUDP(NIO):
                                                                                                   lport=self._lport,
                                                                                                   rhost=self._rhost,
                                                                                                   rport=self._rport))
-        yield from self._node.add_ubridge_udp_connection(
+
-            name,
+        self._source_nio = nio_udp.NIOUDP(self._local_tunnel_rport,
-            nio_udp.NIOUDP(self._local_tunnel_rport,
                                           '127.0.0.1',
                                           self._local_tunnel_lport,
-                           self._filters),
+                                          {})
-            nio_udp.NIOUDP(self._lport,
+        self._destination_nio = nio_udp.NIOUDP(self._lport,
                                                self._rhost,
                                                self._rport,
                                                self._filters)
+        yield from self._node.add_ubridge_udp_connection(
+            self._bridge_name,
+            self._source_nio,
+            self._destination_nio
         )
 
+    @asyncio.coroutine
+    def update(self):
+        self._destination_nio.filters = self._filters
+        yield from self._node.update_ubridge_udp_connection(
+            self._bridge_name,
+            self._source_nio,
+            self._destination_nio)
+
     @asyncio.coroutine
     def close(self):
         if self._local_tunnel_lport:
-            name = 'DYNAMIPS-{}-{}'.format(self._local_tunnel_lport, self._local_tunnel_rport)
+            yield from self._node.ubridge_delete_bridge(self._bridge_name)
-            yield from self._node.ubridge_delete_bridge(name)
             self._node.manager.port_manager.release_udp_port(self._local_tunnel_lport, self ._node.project)
         if self._local_tunnel_rport:
             self._node.manager.port_manager.release_udp_port(self._local_tunnel_rport, self._node.project)

gns3server/compute/dynamips/nodes/router.py

@@ -1290,7 +1290,7 @@ class Router(BaseNode):
         :param port_number: port number
         :param nio: NIO instance to add to the slot/port
         """
-        pass
+        yield from nio.update()
 
     @asyncio.coroutine
     def slot_remove_nio_binding(self, slot_number, port_number):

gns3server/compute/vpcs/vpcs_vm.py

@@ -397,7 +397,7 @@ class VPCSVM(BaseNode):
             raise VPCSError("Port {port_number} doesn't exist in adapter {adapter}".format(adapter=self._ethernet_adapter,
                                                                                            port_number=port_number))
         if self.ubridge:
-            yield from self._update_ubridge_udp_connection("VPCS-{}".format(self._id), self._local_udp_tunnel[1], nio)
+            yield from self.update_ubridge_udp_connection("VPCS-{}".format(self._id), self._local_udp_tunnel[1], nio)
         elif self.is_running():
             raise VPCSError("Sorry, adding a link to a started VPCS instance is not supported without using uBridge.")
 

gns3server/controller/link.py

@@ -365,7 +365,7 @@ class Link:
         :returns: None if no node support filtering else the node
         """
         for node in self._nodes:
-            if node["node"].node_type in ('vpcs', ):
+            if node["node"].node_type in ('vpcs', 'dynamips'):
                 return node["node"]
         return None
 

gns3server/handlers/api/compute/dynamips_vm_handler.py

@@ -268,6 +268,35 @@ class DynamipsVMHandler:
         response.set_status(201)
         response.json(nio)
 
+    @Route.put(
+        r"/projects/{project_id}/dynamips/nodes/{node_id}/adapters/{adapter_number:\d+}/ports/{port_number:\d+}/nio",
+        parameters={
+            "project_id": "Project UUID",
+            "node_id": "Node UUID",
+            "adapter_number": "Network adapter where the nio is located",
+            "port_number": "Port from where the nio should be updated"
+        },
+        status_codes={
+            201: "NIO updated",
+            400: "Invalid request",
+            404: "Instance doesn't exist"
+        },
+        input=NIO_SCHEMA,
+        output=NIO_SCHEMA,
+        description="Update a NIO from a Dynamips instance")
+    def update_nio(request, response):
+
+        dynamips_manager = Dynamips.instance()
+        vm = dynamips_manager.get_node(request.match_info["node_id"], project_id=request.match_info["project_id"])
+        slot_number = int(request.match_info["adapter_number"])
+        port_number = int(request.match_info["port_number"])
+        nio = vm.slots[slot_number].get_nio(port_number)
+        if "filters" in request.json and nio:
+            nio.filters = request.json["filters"]
+        yield from vm.slot_update_nio_binding(slot_number, port_number, nio)
+        response.set_status(201)
+        response.json(request.json)
+
     @Route.delete(
         r"/projects/{project_id}/dynamips/nodes/{node_id}/adapters/{adapter_number:\d+}/ports/{port_number:\d+}/nio",
         parameters={

tests/compute/test_base_node.py

@@ -133,7 +133,7 @@ def test_update_ubridge_udp_connection(node, async_run):
     snio = NIOUDP(1245, "localhost", 1246, [])
     dnio = NIOUDP(1245, "localhost", 1244, filters)
     with asyncio_patch("gns3server.compute.base_node.BaseNode._ubridge_apply_filters") as mock:
-        async_run(node._update_ubridge_udp_connection('VPCS-10', snio, dnio))
+        async_run(node.update_ubridge_udp_connection('VPCS-10', snio, dnio))
     mock.assert_called_with("VPCS-10", filters)