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Project Description

Herald is an easy-to-use messaging framework. It allows Pelix/iPOPO and Java OSGi frameworks to communicate with each other using messages, without worrying about the underlying protocol used for transmission.

The project is hosted on GitHub isandlaTech/cohorte-herald. Issues and questions can be posted in project Issues section.

Concepts

Each Pelix framework instance is considered as a peer. A peer has a unique ID and a human-readable name. An application ID is associated to each peer: only peers with the same application ID can discover each other.

A peer can send a message to another peer or to a group of peers. A message has a subject, which listeners register to, and a content.

Remote Services

Herald provides an RPC transport implementations for Pelix Remote Services.

Transports

Currently, Herald supports two protocols in Python, and one in Java:

  • HTTP (Python & Java):
    • Each message is sent as a POST request.
    • Peer discovery is based on a home-made multicast heart beat protocol
    • Best transport for LAN applications and for single-peer messages
    • Implementation is based on requests.
  • XMPP (Python only, for now):
    • Each message is a either a message or a group message
    • Discovery is based on a Multi-User Chat room (XEP-0045)
    • Best transport for distributed applications and for group messages
    • Implementation is based on SleekXMPP

License

Cohorte Herald is released under the terms of the Apache Software License 2.0.

Release History

Release History

0.0.3

This version

History Node

TODO: Figure out how to actually get changelog content.

Changelog content for this version goes here.

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0.0.2

History Node

TODO: Figure out how to actually get changelog content.

Changelog content for this version goes here.

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Download Files

Download Files

TODO: Brief introduction on what you do with files - including link to relevant help section.

File Name & Checksum SHA256 Checksum Help Version File Type Upload Date
Cohorte_Herald-0.0.3-py2.py3-none-any.whl (82.7 kB) Copy SHA256 Checksum SHA256 2.7 Wheel Mar 9, 2015
Cohorte-Herald-0.0.3.tar.gz (49.6 kB) Copy SHA256 Checksum SHA256 Source Mar 9, 2015

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