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Simple ZeroMQ based Worker Queue
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README.md

Bullpen

Bullpen is a very simple, but configurable Worker Queue based on ZeroMQ. It allows multiple Workers to be connected to a single Server, which itself can be connected to by multiple clients. It creates a ZeroMQ network that looks something like this drawing below.

+-----------+
|   Worker  |
|-----------|
| REP | PUB |
+-----+-----+  { ... $n workers }
   ^    ^
   |    |
   |    +--------+
   +-------+     |
           |     |
           v     v
        +------------------+
        | XREQ | SUB,{...} |
        |------------------|
        |      Server      |
        |------------------|
        |  XREP   |   PUB  |
        +---------+--------+
            ^         ^
            |         |
   +--------+         |
   |     +------------+
   |     |
   v     v
+-----+-----+
| REQ | SUB |
|-----------|
|   Client  |
+-----------+  { ... $n clients }

Logging

Note that we use the java.util.logging package for this, so you can configure the logging output as needed. There is an example .properties file in the conf/logging/ directory. Just pass in the value on the command line like this:

java -Djava.util.logging.config.file=my-logging.properties ...

See Also

Bullpen-Client-Perl

The Name

The name of this module (a set of workers that publish things through a central hub to subscribers on the other end) is taken from the infamous Bullpen of Marvel Comics.

Dependencies

See the README.md in the lib/ directory, but basically we depend on ZeroMQ and JSON-Simple.

Copyright and License

Copyright (C) 2011 Infinity Interactive, Inc.

http://www.iinteractive.com

This library is free software; you can redistribute it and/or modify it under the same terms as Perl (Artistic License).

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