Very, very, very simple cli that just outputs json at this point

example/cli.py

+#!/usr/bin/python
+
+import sys
+import argparse
+import json
+import httplib
+import urllib2
+
+class RestApi(object):
+
+    def __init__(self, server,port):
+        self.server = server
+        self.port = port
+
+    def get(self, path):
+        #ret = self.rest_call(path, {}, 'GET')
+        #return ret[2]
+        f = urllib2.urlopen('http://'+self.server+':'+str(self.port)+path)
+        ret = f.read()
+        return json.loads(ret)
+
+    def set(self, path, data):
+        ret = self.rest_call(path, data, 'POST')
+        return ret[0] == 200
+
+    def remove(self, objtype, data):
+        #ret = self.rest_call(data, 'DELETE')
+        return ret[0] == 200
+
+    def rest_call(self, path, data, action):
+        headers = {
+            'Content-type': 'application/json',
+            'Accept': 'application/json',
+            }
+        body = json.dumps(data)
+        conn = httplib.HTTPConnection(self.server, self.port)
+        conn.request(action, path, body, headers)
+        response = conn.getresponse()
+        ret = (response.status, response.reason, response.read())
+        conn.close()
+        print str(ret[2])
+        return ret
+
+
+    
+usage_desc =  """
+Command descriptions: 
+
+    host <MAC>
+
+    link
+
+    memory
+    
+    switch
+
+    switch_stats [port, queue, flow, aggregate, desc, table, features, host]
+    
+    per_switch_stats [DPID] [port, queue, flow, aggregate, desc, table, features, host]
+
+    """
+
+def lookupPath(cmd):
+    path = ''
+
+    numargs = len(args.otherargs)
+        
+    if args.cmd == 'switch_stats' and numargs == 1:
+        path = '/wm/core/switch/all/'+args.otherargs[0]+'/json'
+    elif args.cmd == 'per_switch_stats' and numargs == 2:
+        path = '/wm/core/switch/'+args.ortherargs[0]+'/'+args.otherargs[1]+'/json'
+    elif args.cmd == 'switch':
+        path = '/wm/core/controller/switches/json'
+    elif args.cmd == 'counter' and numargs == 1:
+        path = '/wm/core/counter/'+args.otherargs[0]+'/json'
+    elif args.cmd == 'switch_counter' and numargs == 2:
+        path = '/wm/core/counter/'+args.otherargs[0]+'/'+otherargs[1]+'/json'
+    elif args.cmd == 'memory':
+        path = '/wm/core/memory/json'
+    elif args.cmd == 'link':
+        path = '/wm/topology/links/json'
+    elif args.cmd == 'switchclusters':
+        path = '/wm/topology/switchclusters/json'
+    elif args.cmd == 'host':
+        if len(args.otherargs) == 0:
+            args.otherargs.append("all")
+        path = '/wm/devicemanager/device/'+args.otherargs[0]+'/json'
+    else:
+        print usage_desc
+        path = ''
+        exit(0)
+    return path
+
+parser = argparse.ArgumentParser(description='process args', usage=usage_desc, epilog='foo bar help')
+parser.add_argument('--ip', default='localhost')
+parser.add_argument('--port', default=8080)
+parser.add_argument('cmd')
+parser.add_argument('otherargs', nargs='*')
+args = parser.parse_args()
+
+#print args
+
+rest = RestApi(args.ip, args.port)
+path = lookupPath(args.cmd)
+
+out = rest.get(path)
+print json.dumps(out,sort_keys=True, indent=4)
+print "Number of items: " + str(len(out))
+