added my Recipes

meta-st/meta-st-openstlinux/recipes-vrpmdv/recipes-base/vrpmdv-web/files/vrpmdv/vrpmdvntlink.py

@@ -0,0 +1,53 @@
+#!/usr/bin/env python3
+
+import traceback
+from pyroute2.netlink import NLM_F_REQUEST
+from pyroute2.netlink import genlmsg
+from pyroute2.netlink.generic import GenericNetlinkSocket
+import sys
+
+
+RLINK_CMD_UNSPEC = 0
+RLINK_CMD_REQ = 1
+
+
+class rcmd(genlmsg):
+    '''
+    Message class that will be used to communicate
+    with the kernel module
+    '''
+
+    nla_map = (
+        ('RLINK_ATTR_UNSPEC', 'none'),
+        ('RLINK_ATTR_DATA', 'asciiz'),
+    )
+
+
+class Rlink(GenericNetlinkSocket):
+    def send_data(self, data):
+        msg = rcmd()
+        msg['cmd'] = RLINK_CMD_REQ
+        msg['version'] = 1
+        msg['attrs'] = [('RLINK_ATTR_DATA', data)]
+        ret = self.nlm_request(msg, self.prid, msg_flags=NLM_F_REQUEST)[0]
+        return ret.get_attr('RLINK_ATTR_DATA')
+
+def trySend(data):
+# if __name__ == '__main__':
+    try:
+        # create protocol instance
+        rlink = Rlink()
+        rlink.bind('gnl-vrpmdv-mcmd', rcmd)
+        #rlink.send_data(data)
+        # request a method
+        res = rlink.send_data(data)
+        if res : 
+            print(res, file=sys.stdout)
+            sys.stdout.flush()
+    except:
+        # if there was an error, log it to the console
+        traceback.print_exc()
+    finally:
+        # finally -- release the instance
+        rlink.close()
+        return res