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ZeroMQ Publisher Operator#

Authors: Holoscan SDK Team (NVIDIA)
Supported platforms: x86_64, aarch64
Language: Python
Last modified: June 28, 2025
Latest version: 1.1
Minimum Holoscan SDK version: 2.0.0
Tested Holoscan SDK versions: 2.5.0, 3.3.0
Contribution metric: Level 2 - Trusted

A Holoscan operator that publishes messages to a ZeroMQ message queue using the PUB/SUB pattern.

Overview#

The ZeroMQ Publisher Operator provides a standardized interface for publishing messages to a ZeroMQ message queue. It enables applications to send messages to subscribers while handling connection management and error handling.

Requirements#

  • holoscan
  • pyzmq

Example Usage#

Please check fhir_client.py in Generative AI Application on Holoscan integrating with FHIR Services.

Name Input/Output#

  • Input: message: Message to be published to ZeroMQ
  • Output: None

Parameters#

  • topic (str): Topic name for message filtering
  • queue_endpoint (str): ZeroMQ endpoint URL (e.g., "tcp://*:5556")