History
=======

## 0.29.0

* Effectively support offline packets expiration #235 #236 by @mazhack.

## 0.28.2

* Do not store qos 0 packets for offline delivery #229 #230 by @mazhack.
* Added session present flag on CONNACK #231 by @mazhack).

## 0.28.1

* Fixed "stats should not be published by default in embedded mode"
  https://github.com/mcollina/mosca/pull/217 by @stefanobaghino.
* ASCII art on start.

## 0.28.0

* Updated dependencies.
* node 0.12 support.

## 0.27.1

* Upgraded browserify to v8.1.1.

## 0.27.0

* Updated MQTT.js to 1.0.0.
* Extracted
  [pbkdf2-password](https://www.npmjs.com/package/pbkdf2-password).
* Updated Dockerfile.

## 0.26.2

* Improved error handling in case of database errors.

## 0.26.1

* Improved error handling in case of database errors.

## 0.26.0

* Changed how Mosca is configured 
  [#200](https://github.com/mcollina/mosca/pull/200)
* Fail authentication without username & password
* Changed how data is stored inside leveldb in embedded mode, with
  simplified TTL handling
* Updated dependencies

## 0.25.1

* Fixed a security bug in the will authorization handling.

## 0.25.0

* Fixed problematic bug with MongoDB that could lead to message loss.
* Updated dependencies.

## 0.24.1

* Fix for RabbitMQ support
  [#189](https://github.com/mcollina/mosca/issues/189).

## 0.24.0

* Updated dependencies (Redis, MongoDB, ecc)
* Close clients with the same `clientId` even if they are connected to another Mosca
  [#182](https://github.com/mcollina/mosca/issues/182)
  [#92](https://github.com/mcollina/mosca/issues/92).

## 0.23.2

* Fixed offline mode for Redis
  [#128](https://github.com/mcollina/mosca/issues/128).

## 0.23.1

* Fixed JSON-based authorizer to support generic 'authorize all'
  catchall.

## 0.23.0

* Use an unique id ([shortid](http://npm.im/shortid)) for server-level messageId.
  [#176](https://github.com/mcollina/mosca/issues/176).
* Removed node-uuid in favor of shortid.
* Bumped browserify to v4.2.0.
* Allow `persistence.factory` key to be a string in the configuration/options
  [#171](https://github.com/mcollina/mosca/issues/171).
* Do not store inflight packets on disconnection
  [#175](https://github.com/mcollina/mosca/issues/175).
* Send suback 0x80 if a subscription fails
  [#170](https://github.com/mcollina/mosca/issues/170).
* Moved pre-commit into devDependencies.
  [#177](https://github.com/mcollina/mosca/issues/177).

Thanks to [Morgan Cheng](https://github.com/mocheng) for all the work
spent to make Mosca rock solid on Redis.

## 0.22.0

* Redis packets TTL (offline).
* Require redis > 2.6.
* Added `server#authorizeForward` method
  [#168](https://github.com/mcollina/mosca/issues/168).
* Topics are no longer normalised from e.g a///topic to a/topic. This
  matches the behaviour as clarified by the Oasis MQTT spec. This will
  lead to unexpected behaviour if you were using topics of this form.

## 0.21.9

* _Really_ fixed LevelUp and Memory persistence for offline messages, previously
  only one offline message per second was allowed
  [#160](https://github.com/mcollina/mosca/issues/160).
* Bumped levelup, memdown, level-ttl dependencies.

## 0.21.8

* Fix a crash if a client unsubscribes before subscribing
  [#156](https://github.com/mcollina/mosca/issues/156).
* Fixed LevelUp and Memory persistence for offline messages, previously
  only one offline message per second was allowed.

## 0.21.7

* Added the `db` option to Redis persistance
  [#150](https://github.com/mcollina/mosca/issues/150).
* Fixed Redis persistence for offline messages, previously
  only the latest offline message was delivered
  [#151](https://github.com/mcollina/mosca/issues/151).

## 0.21.6

* Bumped MQTT.js dependency to v0.3.10.
* Bumped MOWS dependency to v0.0.6.

## 0.21.5

* `authorizePublish` can return a Buffer to change the payload
  [#146](https://github.com/mcollina/mosca/issues/146).
* Handled authentication errors
  [#143](https://github.com/mcollina/mosca/issues/143).

## 0.21.4

* Fixed wrong count of connected clients
  [#135](https://github.com/mcollina/mosca/issues/135).

## 0.21.3

* Fixed crash when started without a persistance.
* Emit will message if the keepalive timer fails.
* Wrapping mows for browserify when used in embedded mode.

## 0.21.2

* Upgrade to MQTT.js 0.3.9.
* Fix authorization with binary credentials.

## 0.21.1

* Added 'host' parameter to mosca.Server to specify the host
  to listen to.
* Added --host CLI option.

## 0.21.0

* Fixed offline messaging
  [#130](https://github.com/mcollina/mosca/pull/130).
* Bumped Ascoltatori to 0.15.0.

## 0.20.3

* Fixed a packet duplication issue with Redis.
* Fixed a MongoDB error/crash with offline subscriptions.
* Added full MongoDB and Redis mosca.Server tests.

## 0.20.2

* Update keepalive timer after a PUBACK.
* Set the 'grace' period before a keepalive disconnection to a half keepalive.

## 0.20.1

* Serve the 'index.html' file in the static folder as '/'.

## 0.20.0

* No more duplicates over the same TCP connection.
* Do not loose data on crashes.
* Updated dependencies.

## 0.19.1

* Correctly remove the resend timer.
* Serve the mqtt.js bundle when installed globally.
* Added loggers for HTTP requests.

## 0.19.0

* Expose only the standalone `mqtt` in the browserified bundle.
* Generate the bundle in the `postinstall` NPM hook.
* Removed express dependency.

## 0.18.0

* Updated dependencies.
* Fixed keepalive=0 according to MQTT 3.1.1 spec.
* Downgraded logging of publish and forwarding to 'debug' and 'trace'
  respectively.
* Fixed # and $SYS/# subscribtions and $SYS/ topic delivery
  [#105](https://github.com/mcollina/mosca/pull/105).
* Expose `require("mows")` in the browserify bundle instead of the
  standalone `mqtt`.

## 0.17.7

* Fixed '+' subscriptions with retained messages.

## 0.17.6

* Added missing `'unsubscribed'` event in the Server.

## 0.17.5

* Fixed an infinite loop during will messages delivery if the client was
  connected through mqtt31ws.js
  [#100](https://github.com/mcollina/mosca/pull/100).

## 0.17.4

* Updated MOWS (Mqtt Over WebSockets) to v0.0.4
  [#99](https://github.com/mcollina/mosca/pull/99).

## 0.17.3

* Alignment with Mosquitto $SYS topicspace
  [#95](https://github.com/mcollina/mosca/pull/95).

## 0.17.2

* Added $SYS/<broker_id>/version, $SYS/<broker_id>/uptime
  and simplified the broker id.
  [#95](https://github.com/mcollina/mosca/pull/95).

## 0.17.1

* From /$SYS to $SYS, removed the '/' prefix for the metadata
  [#94](https://github.com/mcollina/mosca/pull/94).

## 0.17.0

* Added /$SYS/ topic and some monitoring data
  [#89](https://github.com/mcollina/mosca/pull/89).

## 0.16.1

* Pass the client to the published event and callback.

## 0.16.0

* Added the `mosca.Server#publish()` function.

## 0.15.0

* Removed limit of 23 bytes for the client id as in MQTT 3.1.1.
* Removed two possible race conditions for offline messages.
  The race conditions were:
  1. the restoration of all subscriptions was done after connack,
     which
     means that there was a tiny window were a message could be lost.
  2. the puback for a QoS 1 packet was sent before the write was
     concluded.
* Dumped node v0.8 support forever.

## 0.14.4

* Restored 'clientDisconnected' event in case of errors
  [#79](https://github.com/mcollina/mosca/pull/79).
* Fixed multiple offline message delivery
  [#80](https://github.com/mcollina/mosca/pull/80).

## 0.14.3

* Fixed retained messages support in windows
  [#75](https://github.com/mcollina/mosca/pull/75).

## 0.14.2

* README fixes.

## 0.14.1

* Bumped Ascoltatori to 0.12.0 to support a more compact mongo url.
* Updated some patch-level dependencies.
* Added test coverage.

## 0.14.0

* Added `mosca.Server#published` callback to adding behavior before QoS
  1 PUBACK [#72](https://github.com/mcollina/mosca/pull/72).
* Doc fixes.
* Updated LevelUp to 0.18.1 and LevelDown 0.10.1 to avoid a memleak.

## 0.13.4

* Secure Websocket support [#71](https://github.com/mcollina/mosca/pull/71)

## 0.13.3

* Avoid crash if an error happens after client
  disconnection [#67](https://github.com/mcollina/mosca/issues/67).

## 0.13.2

* Avoid crash using MongoDB backend
  [#66](https://github.com/mcollina/mosca/issues/66).
* Bumped Ascoltatori to v0.11.5.

## 0.13.1

* Do not duplicate messages over a single client
  [#44](https://github.com/mcollina/mosca/issues/63).

## 0.13.0

* mqtt over websocket support.
  [#44](https://github.com/mcollina/mosca/issues/44).
* MongoDB persistence deletes old retained messages
  [#61](https://github.com/mcollina/mosca/issues/61).

## 0.12.1

* Support both a config file and command-line options,
  fixes [#58](https://github.com/mcollina/mosca/issues/58) and
  [#60](https://github.com/mcollina/mosca/issues/60).
* Fixes redis persistence for unknown client ids
  [#59](https://github.com/mcollina/mosca/pull#59).

## 0.12.0

* Close forcefully a connecting client
  [#57](https://github.com/mcollina/mosca/pull/57) by
  (@chriswiggins)[https://github.com/chriswiggins].
* Updated LevelUp to 0.16.0.
* Updated Level-Sublevel to 5.1.1.
* Better persistence for the subscriptions.

## 0.11.0

* TLS support thanks to (@samirnaik)[https://github.com/samirnaik].
* Send dup flag for resent messages.

## 0.10.0

* Updated MQTT.js to v0.3.0.

## 0.9.5

* Consistent support of the "ready" callback in the persistences
  implementations (Memory and Mongo).
* Fixed loading of a config file from an absolute path.
* README fixes.

## 0.9.4

* New README, thanks to [Andrea Reginato](https://github.com/andreareginato).
* Removed explicit dependency to level-fix-range, as the original bug
  was solved in level-sublevel v4.8.1.

## 0.9.3

* Upgraded LevelUp to 0.12.0.
* Fixed level-fix-range dependency to avoid a bug
  https://github.com/dominictarr/level-sublevel/issues/21.
* Improved Logger creation in Server.
* Improved Logger handling inside clients.

## 0.9.2

* Added the ability to pass a custom Ascoltatore to `mosca.Server`.
* `mosca.Server` callbacks now yields the server.
* `mosca.Server` can now be called like a function.

## 0.9.1

* 'test/topic' is different from '/test/topic'
* Resetting ping timer on publish, subcribe, unsubscribe:
  [#47](https://github.com/mcollina/mosca/pull/47).

## 0.9.0

* Bumped Ascoltatori to 0.11.0.
* Improved logging for each client.
* Fixed multiple topic naming, mainly 'test/topic' and 'test/topic/'
  should be the same
  [#46](https://github.com/mcollina/mosca/pull/46).
* Better handling of defaults 
  [#39](https://github.com/mcollina/mosca/pull/39).
* Enforcing client identifier length
  [#33](https://github.com/mcollina/mosca/pull/33).

## 0.8.2

* Passing the correct Client object to `authorizePublish`,
  [#43](https://github.com/mcollina/mosca/pull/43).

## 0.8.1

* Refactored the Server-Persistence wiring interface
  to solve some spurious test failures.

## 0.8.0

* Updated Ascoltatori to 0.8.0.

## 0.7.3

* Fixed MongoDB persistance tests on Travis.
* Fixed spurious errors in Redis persistance.

## 0.7.2

* More README fixes.

## 0.7.1

* Typo fix, from persistance to persistence.

## 0.7.0

* Added persistance support
  [#36](https://github.com/mcollina/mosca/pull/36).
* Updated Ascoltatori to 0.7.0.

## 0.6.0

* Extracted a MoscaClient.

## 0.5.0

* Bunyan support for logging.
* Updated minimum MQTT.js version to 0.2.10.

## 0.4.3

* Passing the MQTT packet details to Ascoltatori
  [#30](https://github.com/mcollina/mosca/pull/30) by
  [@davedoesdev](https://github.com/davedoesdev).

## 0.4.2

* Not passing the options to subscribe anymore
  [@davedoesdev](https://github.com/davedoesdev).
* Updated Ascoltatori to 0.6.0.

## 0.4.1

* Fixed the NPM script.

## 0.4.0

* Pass the QoS level to the parent MQTT server
  (https://github.com/mcollina/mosca/pull/26), thanks to
  [@davedoesdev](https://github.com/davedoesdev).

## 0.3.0

* Node v0.10 support
* User authentication and authorization.

## 0.2.0

* QoS 1 (without storage) support
* Will messages support

## 0.1.1

* Bug fixes

## 0.1.0

* Initial release