Python util.connect函数代码示例

def get_qpid_connection(broker_addr):
    try:
        socket = connect(broker_addr, 5672)
        connection = Connection (sock=socket)
        connection.start()
        return connection
    except:
        sys.stderr.write("mhsAckNotify: connect to %s: %s\n" % (broker_addr, sys.exc_info()[1],))
        return None

 def connect(self, host=None, port=None):
     url = self.broker
     if url.scheme == URL.AMQPS:
         default_port = 5671
     else:
         default_port = 5672
     try:
         sock = connect(host or url.host, port or url.port or default_port)
     except socket.error, e:
         raise Skipped(e)

    def run(self):
        # Create connection and session
        socket = connect( self.host, self.port)
        
        connection = Connection(sock=socket, username=self.username, password=self.password)
        
        print("consumer "+self.queueName+": starting connection...")
        connection.start()
        print("consumer "+self.queueName+": ...connection started")

        print("consumer "+self.queueName+": getting session...")
        session = connection.session(str(uuid4()))
        print("consumer "+self.queueName+": ...session got")

        # Define local queue
        local_queue_name = 'my_local_queue_' +self.queueName

        # Create local queue
        print("consumer "+self.queueName+": getting queue...")
        queue = session.incoming(local_queue_name)
        print("consumer "+self.queueName+": ...queue got")

        # Route messages from message_queue to my_local_queue
        print("consumer "+self.queueName+": subscribing...")
        session.message_subscribe(queue = self.queueName, destination=local_queue_name)
        print("consumer "+self.queueName+": ...subscribed")

        print("consumer "+self.queueName+": starting queue...")
        queue.start()
        print("consumer "+self.queueName+": ...queue started")

        content = ''
        index = 0
        
        while (self.running):
            try:
                # Get message from the local queue, timeout 5 seconds
                message = queue.get(timeout=5)
            except:
                break # exit this thread, consumer

            # Get body of the message
            content = message.body

            #message_properties = message.get("message_properties")

            # Accept message (removes it from the queue)
            session.message_accept(RangedSet(message.id))

            if (content != ""):
                try:
                    self.readGPB(content)

                except Exception, e: 
                    print( "Unexpected error: %s\n" % str(e) )

 def __init__(self, broker, **kw):
     self.set_broker(broker)
     self.socket = connect(self.host, self.port)
     if self.url.scheme == URL.AMQPS:
         self.socket = ssl(self.socket)
     self.connection = Connection(sock=self.socket,
                                  username=self.user,
                                  password=self.password)
     self.connection.start()
     log.info("Connected to AMQP Broker %s" % self.host)
     self.session = self.connection.session(str(uuid4()))

 def __init__(self, hub, config):
     self.config = config
     self.set_broker(self.config.get('amqp_broker'))
     self.socket = connect(self.host, self.port)
     if self.url.scheme == URL.AMQPS:
         self.socket = ssl(self.socket)
     self.connection = Connection(sock=self.socket,
                                  username=self.user,
                                  password=self.password)
     self.connection.start()
     log.info("Connected to AMQP Broker %s" % self.host)
     self.session = self.connection.session(str(uuid4()))
     self.local_queues = []
     super(QpidAMQPHubExtension, self).__init__()

    def __init__(self, model, host, port):
        self.model = model
        self.host = host
        self.port = port
        self.broker_id = "%s:%i" % (self.host, self.port)

        self.conn = Connection(connect(host, port), self.model.spec)

        self.mclient = managementClient(
            self.model.spec, None, self.model.on_props, self.model.on_stats, self.model.on_callback
        )
        self.mclient.schemaListener(self.model.on_schema)

        self.chan = None

        self.model.connections[self.broker_id] = self

    def __init__(self, host='localhost', port=5672):
        '''
        Connect to QPID and make bindings to route message to external.dropbox queue
        @param host: string hostname of computer running EDEX and QPID (default localhost)
        @param port: integer port used to connect to QPID (default 5672)
        '''

        try:
            #
            self.socket = connect(host, port)
            self.connection = Connection (sock=self.socket, username=QPID_USERNAME, password=QPID_PASSWORD)
            self.connection.start()
            self.session = self.connection.session(str(uuid4()))
            self.session.exchange_bind(exchange='amq.direct', queue='external.dropbox', binding_key='external.dropbox')
            print('Connected to Qpid')
        except:
            print('Unable to connect to Qpid')

    def start(self):
        """
        Enable AMQP queueing. This method puts up the event processor and
        sets it to "active".
        """
        self.log.debug("enabling AMQP queueing")

        # Evaluate username
        user = self.config.get("amqp.id", default=None)
        if not user:
            user = self.env.uuid
        password = self.config.get("amqp.key")

        # Create initial broker connection
        url = "%s:%s" % (self.url['host'], self.url['port'])
        self._conn = Connection.establish(url, reconnect=self.reconnect,
            username=user,
            password=password,
            transport=self.url['transport'],
            reconnect_interval=self.reconnect_interval,
            reconnect_limit=self.reconnect_limit)

        # Do automatic broker failover if requested
        if self.config.get('amqp.failover', False):
            auto_fetch_reconnect_urls(self._conn)

        # Create event exchange
        socket = connect(self.url['host'], self.url['port'])
        if self.url['scheme'][-1] == 's':
            socket = ssl(socket)
        user = self.config.get("amqp.id", default=None)
        if not user:
            user = self.env.uuid
        connection = DirectConnection(sock=socket,
                username=user,
                password=self.config.get("amqp.key"))
        connection.start()
        session = connection.session(str(uuid4()))
        # pylint: disable=E1103
        session.exchange_declare(exchange=self.env.domain, type="xml")
        connection.close()

        # Create event provider
        self._eventProvider = EventProvider(self.env, self.getConnection())

  def __init__ (self, disp, host, username="guest", password="guest"):
    self.lock           = Lock ()
    self.tables         = {}
    self.schema         = {}
    self.bootSequence   = 0
    self.operational    = False
    self.disp           = disp
    self.cli            = None
    self.lastUnit       = None
    self.methodSeq      = 1
    self.methodsPending = {}
    self.sessionId      = "%s.%d" % (platform.uname()[1], os.getpid())

    self.broker = Broker (host)
    sock = connect (self.broker.host, self.broker.port)
    oldTimeout = sock.gettimeout()
    sock.settimeout(10)
    self.conn   = Connection (sock,
                              username=self.broker.username, password=self.broker.password)
    def aborted():
      raise Timeout("Waiting for connection to be established with broker")
    oldAborted = self.conn.aborted
    self.conn.aborted = aborted

    self.conn.start ()

    sock.settimeout(oldTimeout)
    self.conn.aborted = oldAborted

    self.mclient = managementClient ("unused", self.ctrlHandler, self.configHandler,
                                     self.instHandler, self.methodReply, self.closeHandler)
    self.mclient.schemaListener (self.schemaHandler)
    self.mch = self.mclient.addChannel (self.conn.session(self.sessionId))
    self.operational = True
    self.idMap = {}
    self.idBackMap = {}
    self.nextId = 101

 def setup_connection(self):
   socket = connect(self._broker.host(), self._broker.port())
   return Connection(sock=socket)

#  Set parameters for login

host="127.0.0.1"
port=5672
user="guest"
password="guest"

# If an alternate host or port has been specified, use that instead
# (this is used in our unit tests)
if len(sys.argv) > 1 :
  host=sys.argv[1]
if len(sys.argv) > 2 :
  port=int(sys.argv[2])

#  Create a connection.
socket = connect(host, port)
connection = Connection (sock=socket, username=user, password=password)
connection.start()
session = connection.session(str(uuid4()))

#----- Read from queue --------------------------------------------

# Now let's create a local client queue and tell it to read
# incoming messages.

# The local_queue_name identifies the client-side queue.

local_queue_name = "local_queue"
queue = session.incoming(local_queue_name)

# Call message_subscribe() to tell the broker to deliver messages

 def get_session(self, user, passwd):
     socket = connect(self.broker.host, self.broker.port)
     connection = Connection (sock=socket, username=user, password=passwd,
                              mechanism="PLAIN")
     connection.start()
     return connection.session(str(uuid4()))

 def __init__(self, conn, host, port):
   self.socket = connect(host, port)
   if conn.tcp_nodelay:
     self.socket.setsockopt(socket.IPPROTO_TCP, socket.TCP_NODELAY, 1)

def dump_queue(binfo, queue_name, to):
   # Create a client and log in to it.
   child_connection = Connection(sock=connect(str(binfo['ip']), int(binfo['port'])))
   child_connection.start()
   child_session = child_connection.session(str(uuid4()))
   child_session.queue_declare(queue=queue_name, exclusive=True)
   child_session.exchange_bind(exchange='amq.direct', queue=queue_name, binding_key=queue_name)

   print 'Messages queue: ' + queue_name 

   # Create the local queue. Use the queue name as destination name
   dest = queue_name 
   queue = child_session.incoming(dest)

   # Subscribe the local queue to the queue on the server
   child_session.message_subscribe(queue=queue_name, destination=dest, accept_mode=child_session.accept_mode.explicit)
   child_session.message_flow(dest, child_session.credit_unit.message, 0xFFFFFFFFL)
   child_session.message_flow(dest, child_session.credit_unit.byte, 0xFFFFFFFFL)

   # Read responses as they come in and print to the screen.
   message = 0
   count = 0

   while True:
      try:
         message = queue.get(timeout=to)
         count = count + 1
         if count == 1:
            print 'Received first reponse: %s ' % str(time.time())
      except Empty:
         print 'Received %s messages: %s' % (str(count), str(time.time() - to))
         break
#      except qpid.session.Closed:
#         print "Re-establishing"
#         try:
#            child_connection.close()
#         except:
#            pass
#
#         # Give broker time to stablize and accept connections
#         time.sleep(2)
#         child_connection = Connection(sock=connect(str(binfo['ip']), int(binfo['port'])))
#         child_connection.start()
#         child_session = child_connection.session(str(uuid4()))
#         child_session.queue_declare(queue=queue_name, exclusive=True)
#         child_session.exchange_bind(exchange='amq.direct', queue=queue_name, binding_key=queue_name)
#
#         # Create the local queue. Use the queue name as destination name
#         queue = child_session.incoming(dest)
#
#         # Subscribe the local queue to the queue on the server
#         child_session.message_subscribe(queue=queue_name, destination=dest, accept_mode=child_session.accept_mode.explicit)
#         child_session.message_flow(dest, child_session.credit_unit.message, 0xFFFFFFFFL)
#         child_session.message_flow(dest, child_session.credit_unit.byte, 0xFFFFFFFFL)
      except:
         print 'Unexpected exception!'
         break

      if message != 0:
        child_session.message_accept(RangedSet(message.id))

   child_session.close(timeout=10)
   child_connection.close()
   return (0)

 def tearDown(self):
   self.running = False
   connect("127.0.0.1", PORT).close()
   self.server.join(3)