a0_b_control: Sets of controls in pbdZMQ.
In pbdZMQ: Programming with Big Data -- Interface to ZeroMQ

Description Format Details Author(s) References See Also

These sets of controls are used to provide default values in this package.

Objects contain several parameters for communicators and methods.

The elements of .pbd_env$ZMQ.ST are default values for socket types as defined in ‘zmq.h’ including

Elements	Value	Usage
`PAIR`	0L	socket type PAIR
`PUB`	1L	socket type PUB
`SUB`	2L	socket type SUB
`REQ`	3L	socket type REQ
`REP`	4L	socket type REP
`DEALER`	5L	socket type DEALER
`ROUTER`	6L	socket type ROUTER
`PULL`	7L	socket type PULL
`PUSH`	8L	socket type PUSH
`XPUB`	9L	socket type XPUB
`XSUB`	10L	socket type XSUB
`STREAM`	11L	socket type STREAM

The elements of .pbd_env$ZMQ.SO are default values for socket options as defined in ‘zmq.h’ including 60 different values, see .pbd_env$ZMQ.SO and ‘zmq.h’ for details.

The elements of .pbd_env$ZMQ.SR are default values for send/recv options as defined in ‘zmq.h’ including

Elements	Value	Usage
`BLOCK`	0L	send/recv option BLOCK
`DONTWAIT`	1L	send/recv option DONTWAIT
`NOBLOCK`	1L	send/recv option NOBLOCK
`SNDMORE`	2L	send/recv option SNDMORE (not supported)

The elements of .pbd_env$ZMQ.MC are default values for warning and stop controls in R. These are not the ZeroMQ's internal default values. They are defined as