Suspend link

gns3server/controller/link.py

@@ -122,6 +122,7 @@ class Link:
         self._streaming_pcap = None
         self._created = False
         self._link_type = "ethernet"
+        self._suspend = False
         self._filters = {}
 
     @property
@@ -131,6 +132,15 @@ class Link:
         """
         return self._filters
 
+    def get_active_filters(self):
+        """
+        Return the active filters.
+        If the node is suspend the filters will be override
+        """
+        if self._suspend:
+            return {"frequency_drop": [-1]}
+        return self._filters
+
     @asyncio.coroutine
     def update_filters(self, filters):
         """
@@ -155,6 +165,12 @@ class Link:
             if self._created:
                 yield from self.update()
 
+    @asyncio.coroutine
+    def update_suspend(self, value):
+        if value != self._suspend:
+            self._suspend = value
+            yield from self.update()
+
     @property
     def created(self):
         """
@@ -401,7 +417,8 @@ class Link:
             return {
                 "nodes": res,
                 "link_id": self._id,
-                "filters": self._filters
+                "filters": self._filters,
+                "suspend": self._suspend
             }
         return {
             "nodes": res,
@@ -411,5 +428,6 @@ class Link:
             "capture_file_name": self._capture_file_name,
             "capture_file_path": self.capture_file_path,
             "link_type": self._link_type,
-            "filters": self._filters
+            "filters": self._filters,
+            "suspend": self._suspend
         }

gns3server/controller/udp_link.py

@@ -66,9 +66,9 @@ class UDPLink(Link):
         node2_filters = {}
         filter_node = self._get_filter_node()
         if filter_node == node1:
-            node1_filters = self._filters
+            node1_filters = self.get_active_filters()
         elif filter_node == node2:
-            node2_filters = self._filters
+            node2_filters = self.get_active_filters()
 
         # Create the tunnel on both side
         self._link_data.append({
@@ -106,12 +106,12 @@ class UDPLink(Link):
         if node1 == filter_node:
             adapter_number1 = self._nodes[0]["adapter_number"]
             port_number1 = self._nodes[0]["port_number"]
-            self._link_data[0]["filters"] = self._filters
+            self._link_data[0]["filters"] = self.get_active_filters()
             yield from node1.put("/adapters/{adapter_number}/ports/{port_number}/nio".format(adapter_number=adapter_number1, port_number=port_number1), data=self._link_data[0], timeout=120)
         elif node2 == filter_node:
             adapter_number2 = self._nodes[1]["adapter_number"]
             port_number2 = self._nodes[1]["port_number"]
-            self._link_data[1]["filters"] = self._filters
+            self._link_data[1]["filters"] = self.get_active_filters()
             yield from node2.put("/adapters/{adapter_number}/ports/{port_number}/nio".format(adapter_number=adapter_number2, port_number=port_number2), data=self._link_data[1], timeout=221)
 
     @asyncio.coroutine

gns3server/handlers/api/controller/link_handler.py

@@ -62,7 +62,10 @@ class LinkHandler:
 
         project = yield from Controller.instance().get_loaded_project(request.match_info["project_id"])
         link = yield from project.add_link()
-        yield from link.update_filters(request.json.get("filters", {}))
+        if "filters" in request.json:
+            yield from link.update_filters(request.json["filters"])
+        if "suspend" in request.json:
+            yield from link.update_suspend(request.json["suspend"])
         try:
             for node in request.json["nodes"]:
                 yield from link.add_node(project.get_node(node["node_id"]),
@@ -110,7 +113,10 @@ class LinkHandler:
 
         project = yield from Controller.instance().get_loaded_project(request.match_info["project_id"])
         link = project.get_link(request.match_info["link_id"])
-        yield from link.update_filters(request.json.get("filters", {}))
+        if "filters" in request.json:
+            yield from link.update_filters(request.json["filters"])
+        if "suspend" in request.json:
+            yield from link.update_suspend(request.json["suspend"])
         if "nodes" in request.json:
             yield from link.update_nodes(request.json["nodes"])
         response.set_status(201)

gns3server/schemas/link.py

@@ -64,6 +64,10 @@ LINK_OBJECT_SCHEMA = {
                 "additionalProperties": False
             }
         },
+        "suspend": {
+            "type": "boolean",
+            "description": "Link has been turned off"
+        },
         "filters": FILTER_OBJECT_SCHEMA,
         "capturing": {
             "description": "Read only property. True if a capture running on the link",