Change Log

3.0.1 (May 10, 2018)

Bugfixes:

• #167, #168 Fixed issues reported by Coverity Scan.
• #177 Fixes a memory corruption bug and handling of timeouts.

Other:

• Add .travis.yml for Travis CI.
• Removed C++ sample.
• Removed includes of inttypes.h, which doesn't exist on some systems.
• #175 Added comments on static allocation of MQTT topics.

3.0.0 (Apr 17, 2018)

Bugfixes:

• #152 Fixes potential buffer overflows in parseStringValue by requiring a size parameter in jsonStruct_t.
• #155 Fixes other memory corruption bugs; also improves stability.

The two bug fixes above are not backwards compatible with v2.3.0. Please see README.md for details on migrating to v3.0.0.

2.3.0 (Mar 21, 2018)

New Features:

• Add AWS IoT Jobs support.
• Use AWS IoT Core support for MQTT over port 443. MQTT connection now defaults to port 443.

Pull requests:

• #124 - Thing Shadow: Fix potential shadow buffer overflow
• #135 - mbedtls_wrap: Fix unintialized variable usage
• Fix bugs in long-running integration tests.

2.2.1 (Dec 26, 2017)

Bugfixes:

• #115 - Issue with new client metrics

Pull requests:

• #112 - Initialize msqParams.isRetained to 0 in publishToShadowAction()
• #118 - mqttInitParams.mqttPacketTimeout_ms initialized

2.2.0 (Nov 22, 2017)

New Features:

• Added SDK metrics string into connect packet

Bugfixes:

• #49 - Add support for SHADOW_JSON_STRING as supported value
• #57 - remove unistd.h
• #58 - Fix return type of aws_iot_mqtt_internal_is_topic_matched
• #59 - Fix extraneous assignment
• #62 - Clearing SubscriptionList entries in shadowActionAcks after subscription failure
• #63 - Stack overflow when IOT_DEBUG is enabled
• #66 - Bug in send packet function
• #69 - Fix for broken deleteActionHandler in shadow API
• #71 - Prevent messages on /update/accepted from incrementing shadowJsonVersionNum in delta
• #73 - wait for all messages to be received in subscribe publish sample
• #96 - destroy TLS instance even if disconnect send fails
• Fix for aws_iot_mqtt_resubscribe not properly resubscribing to all topics
• Update MbedTLS Network layer Readme to remove specific version link
• Fix for not Passing througheError code on aws_iot_shadow_connect failure
• Allow sending of SHADOW_JSON_OBJECT to the shadow
• Ignore delta token callback for metadata
• Fix infinite publish exiting early in subscribe publish sample

Improvements:

• Updated jsmn to latest commit
• Change default keepalive interval to 600 seconds

Pull requests:

• #29 - three small fixes
• #59 - Fixed MQTT header constructing and parsing
• #88 - Fix username and password are confused
• #78 - Fixed compilation warnings
• #102 - Corrected markdown headers
• #105 - Fixed warnings when compiling

2.1.1 (Sep 5, 2016)

Bugfixes/Improvements:

• Network layer interface improvements to address reported issues
• Incorporated GitHub pull request #41
• Bugfixes for issues #36 and #33

2.1.0 (Jun 15, 2016)

New features:

• Added unit tests, further details can be found in the testing readme here
• Added sample to demonstrate building the SDK as library
• Added sample to demonstrate building the SDK in C++

Bugfixes/Improvements:

• Increased default value of Maximum Reconnect Wait interval to 128 secs
• Increased default value of MQTT Command Timeout in Shadow Connect to 20 secs
• Shadow null/length checks
• Client Id Length not passed correctly in shadow connect
• Add extern C to headers and source files, added sample to demonstrate usage with C++
• Delete/Accepted not being reported, callback added for delete/accepted
• Append IOT_ to all Debug macros (eg. DEBUG is now IOT_DEBUG)
• Fixed exit on error for subscribe_publish_sample

2.0.0 (April 28, 2016)

New features:

• Refactored API to make it instance specific. This is a breaking change in the API from 1.x releases because a Client Instance parameter had to be added to all APIs
• Added Threading library porting layer wrapper
• Added support for multiple connections from one application
• Shadows and connections de-linked, connection needs to be set up separately, can be used independently of shadow
• Added integration tests for testing SDK functionality

Bugfixes/Improvements:

• Yield cannot be called again while waiting for application callback to return
• Fixed issue with TLS layer handles not being cleaned up properly on connection failure reported here
• Renamed timer_linux.h to timer_platform.h as requested here
• Adds support for disconnect handler to shadow. A similar pull request can be found here
• New SDK folder structure, cleaned and simplified code structure
• Removed Paho Wrapper, Merge MQTT into SDK code, added specific error codes
• Refactored Network and Timer layer wrappers, added specific error codes
• Refactored samples and makefiles

1.1.2 (April 22, 2016)

Bugfixes/Improvements:

• Signature mismatch in MQTT library file fixed
• Makefiles have a protective target on the top to prevent accidental execution

1.1.1 (April 1, 2016)

Bugfixes/Improvements:

• Removing the Executable bit from all the files in the repository. Fixing this issue
• Refactoring MQTT client to remove declaration after statement warnings
• Fixing this bug

1.1.0 (February 10, 2016)

Features:

• Auto Reconnect and Resubscribe

Bugfixes/Improvements:

• MQTT buffer handling incase of bigger message
• Large timeout values converted to seconds and milliseconds
• Dynamic loading of Shadow parameters. Client ID and Thing Name are not hard-coded
• MQTT Library refactored

1.0.1 (October 21, 2015)

Bugfixes/Improvements:

• Paho name changed to Eclipse Paho
• Renamed the Makefiles in the samples directory
• Device Shadow - Delete functionality macro fixed
• subscribe_publish_sample updated

1.0.0 (October 8, 2015)

Features:

• Release to github
• SDK tarballs made available for public download

Bugfixes/Improvements:

• Updated API documentation

0.4.0 (October 5, 2015)

Features:

• Thing Shadow Actions - Update, Delete, Get for any Thing Name
• aws_iot_config.h file for easy configuration of parameters
• Sample app for talking with console's Interactive guide
• disconnect handler for the MQTT client library

Bugfixes/Improvements:

• mbedTLS read times out every 10 ms instead of hanging for ever
• mbedTLS handshake failure handled

0.3.0 (September 14, 2015)

Features:

• Testing with mbedTLS, prepping for relase

Bugfixes/Improvements:

• Refactored to break out timer and network interfaces

0.2.0 (September 2, 2015)

Features:

• Added initial Shadow implementation + example
• Added hostname verification to OpenSSL example
• Added iot_log interface
• Initial API Docs (Doxygen)

Bugfixes/Improvements:

• Fixed yield timeout
• Refactored APIs to pass by reference vs value

0.1.0 (August 12, 2015)

Features:

• Initial beta release
• MQTT Publish and Subscribe
• TLS mutual auth on linux with OpenSSL

Bugfixes/Improvements: - N/A