Description
This is a fork of Denis Francesconi's PosixMQ-read node for Node-RED. Uses Mike Okner's posix-mq library.
This version allows the user to both write to a POSIX message queue and read from a POSIX message queue.
Requirements
-
node.js -- tested against v8+
-
Linux 2.6.6+ or FreeBSD kernel with POSIX message queue support compiled in (
CONFIG_POSIX_MQUEUE, which is enabled by default) -
See
man mq_overviewfor how/where to modify global POSIX message queue resource limits -
Depends on nan & posix-mq which will be automatically installed when running
npm install posixmq-read.
Values
These settings are applicable to both the posixmq-read and posixmq-write nodes.
-
msgname - String - name of message queue.
-
maxmsgs - Number - The maximum number of messages in the queue.
-
msgsize - Number - The maximum size of messages in the queue.
-
create - Boolean - Create the message queue if it is not already present.