add identify feature to check a MAC (node mac, client mac, etc.)

ffstatus/server.py

@@ -117,6 +117,11 @@ class BatcaveHttpRequestHandler(BaseHTTPRequestHandler):
             self.__respond_findnode(query)
             return
 
+        # /identify?ident=xyz
+        if path == 'identify':
+            self.__respond_identify([query.get('ident')])
+            return
+
         # /node/<id>.json - node's data
         # /node/<id>/field - return specific field from node's data
         match = REGEX_URL_NODEINFO.match(path)
@@ -152,6 +157,11 @@ class BatcaveHttpRequestHandler(BaseHTTPRequestHandler):
             return
         params = self.__parse_post_params()
 
+        # identify listed macs
+        if path == 'identify':
+            self.__respond_identify(params)
+            return
+
         # node id/mac to name mapping
         if path == 'idmac2name':
             self.__respond_nodeidmac2name(params)
@@ -432,6 +442,30 @@ angesprochen und sollte aus einer Mehrzahl von Gr&uuml;nden nicht
             nodename = node.get('hostname', nodeid) if node is not None else nodeid
             self.wfile.write('{0}={1}\n'.format(nodeid, nodename))
 
+    def __respond_identify(self, idents):
+        self.__send_headers('application/json')
+        nodes = {n['node_id']: n for n in self.server.storage.get_nodes()}
+        answers = {}
+        for ident in idents:
+            ident = ident.lower()
+            answer = []
+            answers[ident] = answer
+
+            if ident in nodes:
+                answer.append('node id of "%s"' % nodes[ident].get('hostname'))
+                continue
+
+            for nodeid in nodes:
+                node = nodes[nodeid]
+                if ident == node.get('mac', '').lower() or \
+                   ident in [x.lower() for x in node.get('macs', [])]:
+                    answer.append('mac of node "%s" (id %s)' % (node.get('hostname', '?'), node.get('node_id')))
+
+                if ident in [c.lower() for c in node.get('clients', [])]:
+                    answer.append('client at node "%s"' % node.get('hostname', '?'))
+
+        self.wfile.write(json.dumps(answers))
+
     def __respond_nodedetail(self, nodeid, field):
         """
         Return a field from the given node.