Example #1
0
def main(argv):
    global mb, quiet, node_to_connect_to

    try:
        opts, args = getopt.getopt(argv[1:], "?dn:c:qr:")
    except getopt.error as info:
        print(info)
        sys.exit(1)

    hostName = "localhost"
    ownNodeName = "py_interface_test"
    cookie = "cookie"
    doDebug = 0

    for (optchar, optarg) in opts:
        if optchar == "-?":
            print("Usage: %s erlnode" % argv[0])
            sys.exit(1)
        elif optchar == "-c":
            cookie = optarg
        elif optchar == "-d":
            doDebug = 1
        elif optchar == "-q":
            quiet = 1
        elif optchar == "-n":
            ownNodeName = optarg
        elif optchar == "-r":
            global res_pidname
            res_pidname = optarg

    if len(args) >= 4:
        node_to_connect_to = args[0]
        mod = args[1]
        fn = args[2]
        args = eval(args[3])
    else:
        print("Error: missing args: " + "node_to_connect_to mod fn args")
        sys.exit(1)

    if doDebug:
        erl_common.DebugOnAll()

    print("Creating node...")
    n = erl_node.ErlNode(ownNodeName, erl_opts.ErlNodeOpts(cookie=cookie))
    n.SetEpmdConnectedOkCb(
        erl_common.Callback(__EpmdConnectedOk, node_to_connect_to, mod, fn,
                            args, __RpcResult))
    print("Publishing node...")
    n.Publish()
    print("Creating mbox...")
    mb = n.CreateMBox(None)
    m = n.CreateMBox(__TestMBoxCallback)

    evhand = erl_eventhandler.GetEventHandler()
    evhand.PushReadEvent(sys.stdin, __FlushStdout)

    print("-GOING LOOPING-")  # Erlang side will pick this text up
    sys.stdout.flush()

    evhand.Loop()
Example #2
0
    def __init__(self, nodeName, opts=erl_opts.ErlNodeOpts()):
        """Constructor.

        NODE-NAME       = string
                        The name for this node.

        OPTS            = <instance of ErlNodeOpts>

        Creates an ErlNode. The name of the node is determined by NODE-NAME
        as described below. A node-name consists of two parts: an alive-name
        and a host-name, separated by an `@'. The host-name can be short
        (not including the domain) or long (including the domain). Short and
        long node-names must not be mixed among the nodes in a system, see
        the erlang documentation for further details.
          1. If the NODE-NAME contains an `@', then NODE-NAME is used
             unchanged as name for the node.
          2. If the NODE-NAME does not contain an `@', then the node's name
             is constructed as NODE-NAME + "@" + host-name, where
             host-name is either on short or long form, depending on what is
             specified in the OPTS.
        """
        shortNodeNames = opts.GetShortNodeNames()
        self._nodeName = erl_common.AlignNodeName(nodeName, shortNodeNames)
        self._opts = opts

        self._creation = 0
        self._connections = {}

        self._epmd = erl_epmd.ErlEpmd(hostName=opts.GetEpmdHost(),
                                      portNum=opts.GetEpmdPort())
        self._ongoingPings = {}

        self._isServerPublished = 0
        self._pids = {}  # mapping pid     --> ErlMBox()
        self._mboxes = {}  # mapping ErlMBox --> pid
        self._registeredNames = {}  # mapping name    --> pid
        self._registeredPids = {}  # mapping pid     --> name

        self._nodeUpCb = []  # stores (id, callback)
        self._nodeDownCb = []  # stores (id, callback)
        self._cbId = 0

        self._server = erl_node_conn.ErlNodeServerSocket(
            self._nodeName, self._opts)
        self._portNum = self._server.Start(self._NodeUp, self._NodeDown,
                                           self._PassThroughMsg)
        self._epmd.SetOwnPortNum(self._portNum)
        self._epmd.SetOwnNodeName(self._nodeName)
        self._epmdConnectedOkCb = erl_common.Callback(self._Sink)
        self._CreateRex()
Example #3
0
def main(argv):
    global mb, quiet

    try:
        opts, args = getopt.getopt(argv[1:], "?dn:c:q")
    except getopt.error as info:
        print(info)
        sys.exit(1)

    hostName = "localhost"
    ownNodeName = "py_interface_test"
    cookie = "cookie"
    doDebug = 0

    for (optchar, optarg) in opts:
        if optchar == "-?":
            print("Usage: %s erlnode" % argv[0])
            sys.exit(1)
        elif optchar == "-c":
            cookie = optarg
        elif optchar == "-d":
            doDebug = 1
        elif optchar == "-q":
            quiet = 1
        elif optchar == "-n":
            ownNodeName = optarg

    if doDebug:
        erl_common.DebugOnAll()

    print("Creating node...")
    n = erl_node.ErlNode(ownNodeName, erl_opts.ErlNodeOpts(cookie=cookie))
    print("Publishing node...")
    n.Publish()
    print("Creating mbox...")
    mb = n.CreateMBox(None)
    m = n.CreateMBox(__TestMBoxCallback)
    print("Registering mbox as p...")
    m.RegisterName("p")

    evhand = erl_eventhandler.GetEventHandler()
    evhand.PushReadEvent(sys.stdin, __FlushStdout)

    print("-GOING LOOPING-")  # Erlang side will pick this text up
    sys.stdout.flush()
    evhand.Loop()
Example #4
0
def start_looping(own_node_name, cookie, debug_on_all):
    if debug_on_all:
        erl_common.DebugOnAll()

    LOGGER.debug("Creating node...")
    node = erl_node.ErlNode(own_node_name, erl_opts.ErlNodeOpts(cookie=cookie))
    LOGGER.debug("Publishing node...")
    node.Publish()
    LOGGER.debug("Creating mbox...")
    mbox = node.CreateMBox(__TestMBoxCallback)
    LOGGER.debug("Registering mbox as p...")
    mbox.RegisterName("p")

    event_handler = erl_eventhandler.GetEventHandler()

    event_thread = Thread(target=event_handler.Loop, args=())
    # not necessary to flag as daemon since thread will end when stopping loop
    event_thread.daemon = True
    event_thread.start()
   
    return node, mbox, event_handler
def init_erlang_node():
    node = erl_node.ErlNode(SELF_NODE_NAME,
                            erl_opts.ErlNodeOpts(cookie=ERLANG_COOKIE))
    node.Publish()
    return node
Example #6
0
    for (optchar, optarg) in opts:
        if optchar == "-?":
            print "Usage: %s erlnode" % argv[0]
            sys.exit(1)
        elif optchar == "-c":
            cookie = optarg
        elif optchar == "-d":
            doDebug = 1
        elif optchar == "-n":
            ownNodeName = optarg

    if doDebug:
        erl_common.DebugOnAll()

    print "Creating node..."
    n = erl_node.ErlNode(ownNodeName, erl_opts.ErlNodeOpts(cookie=cookie))
    print "Publishing node..."
    n.Publish()
    print "Creating mbox..."
    mb = n.CreateMBox(None)
    m = n.CreateMBox(__TestMBoxCallback)
    print "Registering mbox as p..."
    m.RegisterName("p")

    print "Looping..."
    evhand = erl_eventhandler.GetEventHandler()
    evhand.Loop()


try:
    main(sys.argv)
            ownDistrVersion = string.atoi(optarg)
        elif optchar == "-f":
            ownFlags = string.atoi(optarg)

    if len(args) >= 2:
        hostName = args[0]
        portNum = string.atoi(args[1])
    elif len(args) >= 1:
        portNum = string.atoi(args[0])
    else:
        sys.exit(1)

    ownNodeName = erl_common.AlignNodeName(ownNodeName, 1)

    print "Connecting to %s:%d"
    print "  ownNodeName=\"%s\"" % ownNodeName
    print "  cookie=\"%s\"" % cookie
    print "  ownDistrVersion=%d" % ownDistrVersion
    print "  ownFlags=%d" % ownFlags

    opts = erl_opts.ErlNodeOpts(cookie=cookie)
    c = erl_node_conn.ErlNodeOutConnection(ownNodeName, opts)
    c.InitiateConnection(hostName, portNum, __TestConnectOk,
                         __TestConnectFailed, __TestConnectionBroken,
                         __TestPassThroughMsg)
    evhandler = erl_eventhandler.GetEventHandler()
    evhandler.Loop()


main(sys.argv)