Fix

+import collectd
+import pika
+import time
+
+SendCon = None
+
+RecvCon = None
+
+RabbitConfig = {
+    'host': '127.0.0.1',
+    'port': 5672,
+    'user': 'guest',
+    'pwd': 'guest',
+    'vhost': '/',
+    'tag': 'rabbit_01'
+}
+
+readFlag = False
+
+def init_SendCon():
+    global SendCon
+    if SendCon == None or SendCon.is_open == False:
+        credentials = pika.PlainCredentials(RabbitConfig['user'], RabbitConfig['pwd'])
+        SendCon = pika.BlockingConnection(pika.ConnectionParameters(host=RabbitConfig['host'], port=RabbitConfig['port'], credentials=credentials, virtual_host=RabbitConfig['vhost']))
+    	if SendCon.is_open == True:
+	   collectd.info("connect success...")
+    else:
+        return
+
+
+def init_RecvCon():
+    global RecvCon
+    if RecvCon == None or RecvCon.is_open == False:
+        credentials = pika.PlainCredentials(RabbitConfig['user'], RabbitConfig['pwd'])
+        RecvCon = pika.BlockingConnection(pika.ConnectionParameters(host=RabbitConfig['host'], port=RabbitConfig['port'], credentials=credentials, virtual_host=RabbitConfig['vhost']))
+    else:
+        return
+
+
+def send_check():
+    init_SendCon()
+    global SendCon
+    collectd.info("start send")
+    channel = SendCon.channel()
+    channel.queue_declare(queue='ctest_'+RabbitConfig['host'])
+    channel.basic_publish(exchange='',
+                          routing_key='ctest_'+RabbitConfig['host'],
+                          body='quit')
+    pass
+
+
+def call_back(ch, method, properties, body):
+    global readFlag
+    readFlag = True
+    ch.basic_cancel(consumer_tag='consumer_'+RabbitConfig['host'])
+    ch.stop_consuming()
+    pass
+
+
+def recv_check():
+    init_RecvCon()
+    global RecvCon
+    collectd.info("start read")
+    channel = RecvCon.channel()
+    channel.queue_declare(queue='ctest_'+RabbitConfig['host'])
+    channel.basic_consume(call_back,
+                          queue='ctest_'+RabbitConfig['host'],
+                          no_ack=True,
+                          consumer_tag='consumer_'+RabbitConfig['host'])
+    channel.start_consuming()
+    pass
+
+
+def config_callback(conf=None):
+    global RabbitConfig
+    for c in conf.children:
+        key = c.key.lower()
+        value = c.values[0]
+        if key == 'port':
+            RabbitConfig[key] = int(value)
+        else:
+            RabbitConfig[key] = str(value)
+    pass
+
+
+def read_callback():
+    val = collectd.Values(plugin='rabbit-health', plugin_instance=RabbitConfig['tag'])
+    val.type = 'rabbitmq_state'
+    val.type_instance = ''
+    send_check()
+    recv_check()
+    global readFlag
+    if readFlag:
+       val.values = [1]
+    else:
+       val.values = [-1]
+    val.dispatch()
+    readFlag = False
+    pass
+
+
+collectd.register_config(config_callback)
+
+collectd.register_read(read_callback)
+
+
+
+
+
+
+
+