Sinetstream

Added

- Support Android
- Limitations:
- Data encryption is not implemented.

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Added

- Support metrics API

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Added

- Support async API
- Broker setup instructions (Japanese only)

Changed

- MQTT's MqttClientPersistence directory is now `~/.mqtt-persistence`(Java).

Fixed

- Fixed TLS connection setup problem, caused by MQTT-specific parameter "tls_set" (Java)

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Added

- The capability to add `timestamp` to each send message
- Support for image type messages.
- English documents
- SINETStream Server Plugin Developer Guide (Japanese only)

Changed

- Message is encoded by Apache Avro.
- `value_type` can be handled as a plugin.

Fixed

- Fixed exception handling in case of authentication / authorization error.

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Added

- Tutorial
- open/close method for MessageReader/MessageWriter (Python)

Changed

- {python,java}/sample/text/*.py: remove -t option to specify the topic.
- Documents rearranged.
- To display the cheat sheet, `python3 -m sinetstream`. (Python)
- The topic= argument is now optional in MessageReader/MessageWriter constructor. (Python)

Fixed

- Fix documents
- Fix deadlock in MqttWriter.publish().
- Bugfixes.

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Added

- Data encryption:
- Supported: CBC, OFB, CTR, EAX, GCM
- Not supported: CFB, OPENPGP
- Authentication:
- Kafka:
- security_protocol: PLAINTEXT, SSL, SASL_PLAINTEXT, SASL_SSL.
- sasl_mechanism: PLAIN, SCRAM-SHA-256, SCRAM-SHA_512.
- Note: GSSAPI and OAUTHBEARER are not supported.
- MQTT:
- password
- Read docs/auth.md for details.
- Authorization(document only)
- Read docs/auth.md for details.

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