From f9a817df125bad3e4187f16d80945f512d87cd52 Mon Sep 17 00:00:00 2001
From: peusterm <manuel.peuster@uni-paderborn.de>
Date: Mon, 18 Jul 2016 09:06:04 +0200
Subject: [PATCH] cleaned up logging

---
 src/emuvim/dcemulator/net.py  | 27 +++++++++++++++------------
 src/emuvim/dcemulator/node.py |  2 +-
 2 files changed, 16 insertions(+), 13 deletions(-)

diff --git a/src/emuvim/dcemulator/net.py b/src/emuvim/dcemulator/net.py
index adf17d4..51f53a3 100755
--- a/src/emuvim/dcemulator/net.py
+++ b/src/emuvim/dcemulator/net.py
@@ -44,6 +44,9 @@ from emuvim.dcemulator.monitoring import DCNetworkMonitor
 from emuvim.dcemulator.node import Datacenter, EmulatorCompute
 from emuvim.dcemulator.resourcemodel import ResourceModelRegistrar
 
+LOG = logging.getLogger("dcemulator.net")
+LOG.setLevel(logging.DEBUG)
+
 class DCNetwork(Containernet):
     """
     Wraps the original Mininet/Containernet class and provides
@@ -110,7 +113,7 @@ class DCNetwork(Containernet):
         dc.net = self  # set reference to network
         self.dcs[label] = dc
         dc.create()  # finally create the data center in our Mininet instance
-        logging.info("added data center: %s" % label)
+        LOG.info("added data center: %s" % label)
         return dc
 
     def addLink(self, node1, node2, **params):
@@ -120,7 +123,7 @@ class DCNetwork(Containernet):
         """
         assert node1 is not None
         assert node2 is not None
-        logging.debug("addLink: n1=%s n2=%s" % (str(node1), str(node2)))
+        LOG.debug("addLink: n1=%s n2=%s" % (str(node1), str(node2)))
         # ensure type of node1
         if isinstance( node1, basestring ):
             if node1 in self.dcs:
@@ -314,12 +317,12 @@ class DCNetwork(Containernet):
             # if all shortest paths are wanted, use: all_shortest_paths
             path = nx.shortest_path(self.DCNetwork_graph, src_sw, dst_sw, weight=kwargs.get('weight'))
         except:
-            logging.exception("No path could be found between {0} and {1}".format(vnf_src_name, vnf_dst_name))
-            logging.debug("Graph nodes: %r" % self.DCNetwork_graph.nodes())
-            logging.debug("Graph edges: %r" % self.DCNetwork_graph.edges())
+            LOG.exception("No path could be found between {0} and {1}".format(vnf_src_name, vnf_dst_name))
+            LOG.debug("Graph nodes: %r" % self.DCNetwork_graph.nodes())
+            LOG.debug("Graph edges: %r" % self.DCNetwork_graph.edges())
             return "No path could be found between {0} and {1}".format(vnf_src_name, vnf_dst_name)
 
-        logging.info("Path between {0} and {1}: {2}".format(vnf_src_name, vnf_dst_name, path))
+        LOG.info("Path between {0} and {1}: {2}".format(vnf_src_name, vnf_dst_name, path))
 
         current_hop = src_sw
         switch_inport_nr = src_sw_inport_nr
@@ -344,9 +347,9 @@ class DCNetwork(Containernet):
 
             if next_hop == vnf_dst_name:
                 switch_outport_nr = dst_sw_outport_nr
-                logging.info("end node reached: {0}".format(vnf_dst_name))
+                LOG.info("end node reached: {0}".format(vnf_dst_name))
             elif not isinstance( next_node, OVSSwitch ):
-                logging.info("Next node: {0} is not a switch".format(next_hop))
+                LOG.info("Next node: {0} is not a switch".format(next_hop))
                 return "Next node: {0} is not a switch".format(next_hop)
             else:
                 # take first link between switches by default
@@ -476,7 +479,7 @@ class DCNetwork(Containernet):
             ofcmd = ''
 
         node.dpctl(cmd, ofcmd)
-        logging.info("{3} in switch: {0} in_port: {1} out_port: {2}".format(node.name, switch_inport_nr,
+        LOG.info("{3} in switch: {0} in_port: {1} out_port: {2}".format(node.name, switch_inport_nr,
                                                                                  switch_outport_nr, cmd))
 
     # start Ryu Openflow controller as Remote Controller for the DCNetwork
@@ -510,7 +513,7 @@ class DCNetwork(Containernet):
             else:
                 url = self.ryu_REST_api + '/' + str(prefix)
             if data:
-                #logging.info('POST: {0}'.format(str(data)))
+                #LOG.info('POST: {0}'.format(str(data)))
                 req = urllib2.Request(url, str(data))
             else:
                 req = urllib2.Request(url)
@@ -518,8 +521,8 @@ class DCNetwork(Containernet):
             ret = urllib2.urlopen(req).read()
             return ret
         except:
-            logging.info('error url: {0}'.format(str(url)))
-            if data: logging.info('error POST: {0}'.format(str(data)))
+            LOG.info('error url: {0}'.format(str(url)))
+            if data: LOG.info('error POST: {0}'.format(str(data)))
 
     # need to respect that some match fields must be integers
     # http://ryu.readthedocs.io/en/latest/app/ofctl_rest.html#description-of-match-and-actions
diff --git a/src/emuvim/dcemulator/node.py b/src/emuvim/dcemulator/node.py
index b29d634..aa9fb4a 100755
--- a/src/emuvim/dcemulator/node.py
+++ b/src/emuvim/dcemulator/node.py
@@ -32,7 +32,7 @@ import logging
 import time
 import json
 
-LOG = logging.getLogger("dcemulator")
+LOG = logging.getLogger("dcemulator.node")
 LOG.setLevel(logging.DEBUG)
 
 
-- 
2.17.1