Added new REST API for ONOS to get group stats of specfic group, Added CLI command 'show switch <dpid> group <groupId>' to stats of specified group
diff --git a/cli/sdncon/rest/views.py b/cli/sdncon/rest/views.py
index 41b0acb..66dc75a 100755
--- a/cli/sdncon/rest/views.py
+++ b/cli/sdncon/rest/views.py
@@ -416,6 +416,21 @@
     return get_sdnplatform_response(url)
 
 @safe_rest_view
+def do_realtimegroupstats(request, groupId, dpid ):
+    """
+    This returns realtime group statistics for specified groupId
+    for a dpid by calling the localhost sdnplatform
+    """
+    #raise RestInvalidMethodException()
+    if request.method != 'GET':
+        raise RestInvalidMethodException()
+    #url = controller_url('core', 'switch', dpid, stattype, 'json')
+    #import error
+    #raise error.ArgumentValidationError('\n\n\n %s' % (groupId))
+    url = "http://localhost:8080/wm/floodlight/core/switch/%s/groupStats/%s/json" % (dpid, groupId)
+    return get_sdnplatform_response(url)
+
+@safe_rest_view
 def do_tablerealtimestats(request, tabletype, dpid):
     """
     This returns realtime statistics per table (flows (only)
diff --git a/cli/sdncon/urls.py b/cli/sdncon/urls.py
index 211f3d0..8478eab 100755
--- a/cli/sdncon/urls.py
+++ b/cli/sdncon/urls.py
@@ -62,6 +62,7 @@
     (r'^rest/v1/realtimestats/counter/(?P<stattype>[A-Za-z0-9_:.\-]+)/?$', 'sdncon.rest.views.do_sdnplatform_realtimestats'),
     (r'^rest/v1/realtimestats/counter/(?P<dpid>[A-Za-z0-9_:.\-]+)/(?P<stattype>[A-Za-z]+)/?$', 'sdncon.rest.views.do_sdnplatform_realtimestats'),
     (r'^rest/v1/realtimestats/table/(?P<tabletype>[A-Za-z]+)/flow/(?P<dpid>[A-Za-z0-9_:./\-]+)/?$', 'sdncon.rest.views.do_tablerealtimestats'),
+    (r'^rest/v1/realtimestats/group/(?P<groupId>[0-9]+)/(?P<dpid>[A-Za-z0-9_:./\-]+)/?$', 'sdncon.rest.views.do_realtimegroupstats'),
     (r'^rest/v1/realtimestats/(?P<stattype>[A-Za-z]+)/(?P<dpid>[A-Za-z0-9_:./\-]+)/?$', 'sdncon.rest.views.do_realtimestats'),
     (r'^rest/v1/controller/stats/(?P<stattype>[A-Za-z]+)/?$', 'sdncon.rest.views.do_controller_stats'),
     (r'^rest/v1/controller/storage/tables/?$', 'sdncon.rest.views.do_controller_storage_table_list'),