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Jabber / XMPP server with focus on performance and scalability, by Erlang Solutions
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README.md

MongooseIM Build Status Documentation Status Coverage Status

MongooseIM is Erlang Solutions' robust and efficient XMPP server aimed at large installations. Specifically designed for enterprise purposes, it is fault-tolerant, can utilize resources of multiple clustered machines and easily scale in need of more capacity (by just adding a box/VM). It provides support for WebSockets and reimplemented BOSH.

Its home at GitHub is http://github.com/esl/MongooseIM.

Quickstart guide

For a quick start just download the pre-built package that suits your platform.

Main differences from the parent project

This project began its life as a fork of ejabberd v.2.1.8 and later underwent some major cleanup, refactorization and optimization.

Major steps performed:

  • bringing the project source tree to compliance with OTP project structure recommendations,
  • swapping autotools for the Erlang community-standard build tool rebar,
  • removal of obsolete and/or rarely used modules to reduce maintenance burden,
  • reduction of runtime memory consumption by refactoring the code to use Erlang's binary data type for string manipulation and storage instead of operating on linked lists of characters,
  • functional test coverage of the system according to corresponding RFCs and XEPs.

How to build

  1. Requirements.

    To compile MongooseIM you need:

    • GNU Make,
    • GCC,
    • Libexpat 1.95 or higher,
    • Erlang/OTP R15B02 or higher,
    • Reltool 0.5.4 or higher,
    • OpenSSL 0.9.8 or higher, for STARTTLS, SASL and SSL encryption,
    • Zlib 1.2.3 or higher for Stream Compression support (XEP-0138). Optional,
    • PAM library. Optional. For Pluggable Authentication Modules (PAM).
  2. Compiling on UNIX-like systems.

    To compile MongooseIM, go to the main repo directory $REPO and execute the command ($ stands for the shell prompt):

    $ make
    

    or

    $ ./rebar get-deps
    $ ./rebar compile
    

    To generate minimal MongooseIM release (without mysql, pgsql or other deps):

    $ make rel
    

    or

    $ ./rebar generate
    

    If more advanced relase is required (with mysql or pgsql support) a make configure script with appropirate option(s) has to be run before make rel or ./rebar generate. make configure without any option will print following help message.

    specifies which 3rd party deps will be included in release
    possible options:
    with-mysql  include mysql driver
    with-pgsql  include pgsql driver
    with-odbc   include standard ODBC driver shipped with Erlang/OTP
    with-redis  include redis driver
    with-cassandra  include cassandra driver
    full        include all above deps
    

    For example if mysql and redis support has to be added to the release, following command has to be run before make rel:

    $ make configure with-mysql with-redis
    

    The make configure command has to be run only once (unless one need to change the relase config and include some other dependecies).

    make rel or ./rebar generate commands will generate a self-contained OTP system image in the project's rel/mongooseim subdirectory. The contents of that directory are as follows:

    • rel/mongooseim/bin - startup/administration scripts,
    • rel/mongooseim/etc - configuration files,
    • rel/mongooseim/lib - MongooseIM binary, header and runtime files,
    • rel/mongooseim/var - spool directory,
    • rel/mongooseim/log - log file directory,
    • rel/mongooseim/releases - release files directory.
  3. Running MongooseIM.

    To run MongooseIM from the project tree after compiling it, change to $REPO/rel/mongooseim.

    There you can use the mongooseim command line administration script to start and stop MongooseIM. For example:

    $ bin/mongooseim start
    

    will start the server.

    You can also run the server in interactive mode:

    $ bin/mongooseim live
    

    There's also a tool called mongooseimctl allowing you to perform some operations on a running instance, e.g.:

    $ bin/mongooseimctl status
    The node mongooseim@localhost is started with status: started
    MongooseIM version 1.3.1 is running on that node
    
  4. Building the testing target and running tests.

    For testing purposes there's a different make target available:

    $ make devrel
    

    which will generate releases in $REPO/dev/ and prepare them for testing and generating coverage reports.

    To run the tests (from project's root directory, i.e. $REPO):

    $ cd test
    $ make quicktest
    

    The test results will show up in the console`.

MongooseIM documentation notice

MongooseIM, being a fork of ejabberd, is currently in a phase of rapid development. Because of that the documentation found in the doc/ subdirectory of the source tree, while mostly relevant, may be inaccurate.

The main reason is that some rarely useful features were removed from the repository or are still waiting to be brought up to the Erlang Solutions standards.

Don't forget to check out our wiki - hopefully, its scope will grow with time.

Want to get in touch with us?

In case of any suggestions, questions or any thoughts on this project, please feel free to contact us by the standard GitHub ways or at mongoose-im@erlang-solutions.com.

Want to discuss MongooseIM, problems with your deployement or anything else? Try: https://erlangcentral.org/forum/mongooseim/.

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