Hello,

Aside from the script documentation located at [1], we also added a documentation on how to build modules that want to use Key-Value type back-ends, on top of the newly added Interface.

Currently,on the trunk branch, the cachedb/example/ folder holds an example module that uses the Interface to transparently operate on a Key-Value type back-end.

[1] http://www.opensips.org/Resources/DocsTutKvinterface

Vlad Paiu
OpenSIPS Developer


On 10/05/2011 07:29 PM, Vlad Paiu wrote:
Hello all,

A Key-Value interface has been recently added to OpenSIPS trunk and it will be present in the 1.8 release.

Key-Value interface added into OpenSIPS provides an easy way for the script writer and the module writer to transparently access different Key-Value type back-ends, very similar to the way the DB interface allows easy connection to different types of SQL databases.

Modules that offer actual back-end connection will use the Key-Value interface in order to provide the actual functionality to the end-user. At the current stage in time there are three modules that use the interface to provide functionality

- cachedb_local ( old localcache module ) - Uses OpenSIPS shared memory as storage - cachedb_memcached ( old memcached module ) - Uses Memcached servers as back-end
- [NEW] cachedb_redis - Uses Redis Cluster servers as back-end

More about the available API exported by the database as well as some use cases and examples can be found at [1].

[1] http://www.opensips.org/Resources/DocsTutKvinterface

Regards,


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