DatagramWriter

VisualSim.actor.lib.net
Class DatagramWriter

• This actor sends its input as a Datagram over the network using the UDP protocol. Before being sent, the data is optionally encoded as a text string representing the value being sent. When this option is selected, any VisualSim data type may be represented. See the encoding parameter.
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• The address and socket number towards which the datagram is sent are given by the optional inputs remoteAddress and remoteSocketNumber. However, unless/until token(s) arrive at these inputs, default values, given by defaultRemoteAddress and defaultRemoteSocketNumber are used. Note that some IP addresses are special broadcast addresses. An address such as "128.32.239.255" broadcasts to any IP addresses on the "128.23.239.X" subnet. This only works on your own subnet.
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• Each instance of this actor needs to allocate a local socket from which to transmit datagrams. Initially, the local socket number is set to 4003, just to pick a number. The socket is not allocated until the model is run.
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triggerOutput

public TypedIOPort triggerOutput

• The triggerOutput port. The type of this port is GENERAL, forcing input ports connected here to also be of type GENERAL, (as trigger inputs typically are). This port always transmits a Token with nothing in it. This gives the designer a way to control the order in which other actors fire with respect to the firing of this actor in the SDF domain.

localSocketNumber

public Parameter localSocketNumber

• The local socket number for this actor's socket. Integer in the range 0..65535. Default is 4003.

data

public TypedIOPort data

• Data to be sent. Data can be encoded different ways, depending on the setting of encoding.

defaultRemoteAddress

public Parameter defaultRemoteAddress

• The default remote address to which to send datagrams. This is a string. It will get looked up to find the IP address. (Legal forms of this string include "128.32.239.10" and "localhost".)

remoteAddress

public TypedIOPort remoteAddress

• The remote address towards which to launch the packet. This is a multiport. This permits it to be left unconnected in DE. If multiple addresses are delivered simultaneously to this port, the one arriving via the highest numbered channel is used. Type is string.

defaultRemoteSocketNumber

public Parameter defaultRemoteSocketNumber

• The default remote UDP socket to which to launch the packet. This is an integer in 0..65535. NOTE: TCP sockets get their own distinct, non-interfering, set of 2^16 numbers!

remoteSocketNumber

public TypedIOPort remoteSocketNumber

• The remote socket number towards which to launch the packet. This is a multiport. This permits it to be left unconnected in DE. If multiple addresses are delivered simultaneously to this port, the one arriving via the highest numbered channel is used. Type is integer.

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