ZMQ PULL Message Source: Difference between revisions

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[[Category:Block Docs]]
[[Category:Block Docs]]
Receive messages on ZMQ PULL socket and output async messages.
Receive messages on ZMQ PULL socket and convert them to outgoing pmt messages. The PULL Message Source block performs a 'connect' on the designated port. It will interoperate with a ZMQ PUSH socket, either from a GNU Radio flowgraph or an external process.
This block will connect to a ZMQ PUSH socket, then convert received messages to outgoing async messages.


== Parameters ==
== Parameters ==
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; Address
; Address
: ZMQ socket address specifier
: ZMQ socket address specifier. The format of the address is <code>tcp://*:port</code> where * should be 127.0.0.1 for localhost.<br>
: <b>Note:</b> If the Source and Sink blocks are on two different computers on the same LAN, then the IP and port number of the Sink block must be specified on each end of that connection. For example, if the Sink is on IP 192.168.2.14:5678 and the Source is on IP 192.168.2.5, both Source and Sink blocks must specify the Sink IP and port (192.168.2.14:5678).


; Timeout
; Timeout
: Receive timeout in milliseconds, default is 100ms, 1us increments
: Receive timeout in milliseconds, default is 100ms.


== Example Flowgraph ==
== Example Flowgraph ==


Insert description of flowgraph here, then show a screenshot of the flowgraph and the output if there is an interesting GUI.  Currently we have no standard method of uploading the actual flowgraph to the wiki or git repo, unfortunately.  The plan is to have an example flowgraph showing how the block might be used, for every block, and the flowgraphs will live in the git repo.
[[File:PULL_msg_test_fg.png]]


== Source Files ==
== Source Files ==

Latest revision as of 15:12, 26 March 2020

Receive messages on ZMQ PULL socket and convert them to outgoing pmt messages. The PULL Message Source block performs a 'connect' on the designated port. It will interoperate with a ZMQ PUSH socket, either from a GNU Radio flowgraph or an external process.

Parameters

(R): Run-time adjustable

Address
ZMQ socket address specifier. The format of the address is tcp://*:port where * should be 127.0.0.1 for localhost.
Note: If the Source and Sink blocks are on two different computers on the same LAN, then the IP and port number of the Sink block must be specified on each end of that connection. For example, if the Sink is on IP 192.168.2.14:5678 and the Source is on IP 192.168.2.5, both Source and Sink blocks must specify the Sink IP and port (192.168.2.14:5678).
Timeout
Receive timeout in milliseconds, default is 100ms.

Example Flowgraph

PULL msg test fg.png

Source Files

C++ files
TODO
Header files
TODO
Public header files
TODO
Block definition
TODO
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