Table of Contents
quanser.communications.stream.receive_int64
Receives a 64-bit integer from a stream.
[data, would_block] = stream.receive_int64
This function receives a single 64-bit integer over a client stream.
If quanser.communications.stream.listen or quanser.communications.stream.connect was called with the non-blocking flag set to false (0), then this function blocks until all the data is read. If the connection has been closed gracefully then it returns an empty array only once there is no more data to receive. Otherwise it returns the 64-bit integer read before the connection closed. Once all the data in the stream buffer is exhausted it will return an empty array to indicate the connection has been closed. If an error occurs, then it issues an error message.
If quanser.communications.stream.listen or quanser.communications.stream.connect was called with the non-blocking flag set to true (1), then this function does not block. If no data is available at all then it returns would_block equal to true. In this case, the poll function may be used with the 'receive' flag to determine when data becomes available. Otherwise it returns the 64-bit integer received.
This operation is not valid on listening streams created using quanser.communications.stream.listen.
stream
Stream handle returned by quanser.communications.stream.connect or accept.
data
The 64-bit integer received, as an int64. For blocking streams, if this array is empty then the connection has been closed gracefully. For non-blocking streams, would_block must also be false to indicate closure.
would_block
Whether the function would have blocked. Always false for blocking streams.
data = stream.receive_int64; % Receive one 64-bit integer
See Also
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