149 lines
10 KiB
Markdown
149 lines
10 KiB
Markdown
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# Changelog
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## 3.12.1 [2022-08-29]
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### Fixes
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- [193](https://github.com/tobiasschuerg/InfluxDB-Client-for-Arduino/pull/193) - Automatically adjusting point timestamp according to the setting of write precision.
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## 3.12.0 [2022-03-21]
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### Features
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- [185](https://github.com/tobiasschuerg/InfluxDB-Client-for-Arduino/pull/185) - Added diagnostic server connection state getter `bool InfluxDBClient::isConnected()`
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## 3.11.0 [2022-02-18]
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### Features
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- [174](https://github.com/tobiasschuerg/InfluxDB-Client-for-Arduino/pull/174),[181](https://github.com/tobiasschuerg/InfluxDB-Client-for-Arduino/pull/181) - All API methods with a string param allow specifying string by all basic types:
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- Arduino `String` class
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- C `char *` or `char[]`
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- Flash string using `F`,`PSTR` or `FPSTR` macros
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### Fixes
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- [176](https://github.com/tobiasschuerg/InfluxDB-Client-for-Arduino/pull/176) - Cleared all compiler warnings
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## 3.10.0 [2022-01-20]
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### Features
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- [167](https://github.com/tobiasschuerg/InfluxDB-Client-for-Arduino/pull/167) - Added `InfluxDBClient::writeRecord(const char *record)`.
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- [167](https://github.com/tobiasschuerg/InfluxDB-Client-for-Arduino/pull/167) - Added possibility to disable retrying by setting `maxRetryAttempts` to zero: `client.setWriteOptions(WriteOptions().maxRetryAttempts(0));`
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- [172](https://github.com/tobiasschuerg/InfluxDB-Client-for-Arduino/pull/172) - Added directly streaming batch for write. It can be enabled by `InfluxDBClient::setStreamWrite(bool enable = true)`. Writing by streaming lines of batch saves RAM as it sends data without allocating a buffer. On the other hand, this way of writing is about half times slower than the classic way, when allocating the buffer for writing the whole batch.
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- [172](https://github.com/tobiasschuerg/InfluxDB-Client-for-Arduino/pull/172) - Allowing larger batch size, > 255.
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- [173](https://github.com/tobiasschuerg/InfluxDB-Client-for-Arduino/pull/173) - Added Flux query parameters. Now supported by InfluxDB Cloud only.
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## 3.9.0 [2021-09-17]
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### Features
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- [#147](https://github.com/tobiasschuerg/InfluxDB-Client-for-Arduino/pull/147) - Updated InfluxDB 2 Cloud CA root certificate to _ISRG Root X1_.
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Current InfluxDB 2 Cloud CA root certificate _DST Root CA X3_ expires on September 30th 2021!
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- [#157](https://github.com/tobiasschuerg/InfluxDB-Client-for-Arduino/pull/157) - Added Buckets sub-client for managing buckets in InfluxDB 2.
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### Fixes
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- [#150](https://github.com/tobiasschuerg/InfluxDB-Client-for-Arduino/pull/150) - `HTTPOptions::httpReadTimeout` is also set as the connect timeout for HTTP connection on ESP32. It also works for HTTPS connection since ESP32 Arduino Core 2.0.0.
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- [#156](https://github.com/tobiasschuerg/InfluxDB-Client-for-Arduino/pull/156) - Correctly rounding _writeBufferSize_, when _bufferSize/batchSize >= 256_.
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- [#162](https://github.com/tobiasschuerg/InfluxDB-Client-for-Arduino/pull/162) - Fixed flushing of not full buffer after the flush timeout.
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### Documentation
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- [#163](https://github.com/tobiasschuerg/InfluxDB-Client-for-Arduino/pull/163) - More precise description of supported devices.
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## 3.8.0 [2021-04-01]
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### Features
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- [#143](https://github.com/tobiasschuerg/InfluxDB-Client-for-Arduino/pull/143) - `InfluxDBClient::setInsecure` now works also for ESP32. Requires Arduino ESP32 SDK 1.0.5 or higher
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### Documentation
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- [#134](https://github.com/tobiasschuerg/InfluxDB-Client-for-Arduino/pull/134):
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- Added untrusted connection (skipping certificate validation) info to Readme
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- `SecureWrite` and `SecureBatchWrite` demos enhanced with example about using untrusted connection
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- Various fixes of typos
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### Fixes
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- [#137](https://github.com/tobiasschuerg/InfluxDB-Client-for-Arduino/pull/137) - Fixed parsing Flux response with unexpected annotations
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## 3.7.0 [2020-12-24]
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### Features
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- [#125](https://github.com/tobiasschuerg/InfluxDB-Client-for-Arduino/pull/124) - Added credentials to the InfluxDB 1.x validation endpoint (/ping). To leverage this, [enable ping authentication](https://docs.influxdata.com/influxdb/v1.8/administration/config/#ping-auth-enabled-false)
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### Fixes
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- [#129](https://github.com/tobiasschuerg/InfluxDB-Client-for-Arduino/pull/129) - Updated InfluxDB 2 Cloud CA certificate to trust servers from all cloud providers (AWS, Azure, GCP)
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## 3.6.1 [2020-11-30]
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### Features
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### Fixes
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- [#121](https://github.com/tobiasschuerg/InfluxDB-Client-for-Arduino/pull/121) - Fixed compile error in case of warning is treated as an error
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- [#122](https://github.com/tobiasschuerg/InfluxDB-Client-for-Arduino/pull/122) - Deleting WiFiClient instance to avoid memory leaking when the InfluxDBClient is reinitialized
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- [#124](https://github.com/tobiasschuerg/InfluxDB-Client-for-Arduino/pull/124) - Fixed compilation warnings
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### Doc
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- [#120](https://github.com/tobiasschuerg/InfluxDB-Client-for-Arduino/pull/120) - Improved language wording in the Readme
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## 3.6.0 [2020-11-10]
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### Features
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- [#117](https://github.com/tobiasschuerg/InfluxDB-Client-for-Arduino/pull/117) - Added `InfluxDBClient::pointToLineProtocol(const Point& point)` for simple creation of InfluxDB line-protocol string with respect to default tags
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### Fixes
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- [#114](https://github.com/tobiasschuerg/InfluxDB-Client-for-Arduino/pull/114) - Renamed `getRemaingRetryTime()`->`getRemainingRetryTime()`
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- [#115](https://github.com/tobiasschuerg/InfluxDB-Client-for-Arduino/pull/115) - Restored writing capability after a connection failure
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- [#118](https://github.com/tobiasschuerg/InfluxDB-Client-for-Arduino/pull/118) - Added escaping of URL params (org, bucker, V1 username and pass)
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## 3.5.0 [2020-10-30]
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### Features
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- [#107](https://github.com/tobiasschuerg/InfluxDB-Client-for-Arduino/pull/107) - Added possibility to set default tags. Use `WriteOptions::addDefaultTag()` to add a tag that will be added to each written point using the `writePoint()` function.
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- [#109](https://github.com/tobiasschuerg/InfluxDB-Client-for-Arduino/pull/109) - Retry strategy improvements:
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- Added `canSendRequest()` function to check if retry strategy is applied
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- Added `getRemaingRetryTime()` function to get wait time before another request (write/query) can be sent
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- Removed applying retry wait time in case of network error
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- Better explanatory error message when a request is about to be sent in the retry wait state
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### Fixes
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- [#108](https://github.com/tobiasschuerg/InfluxDB-Client-for-Arduino/pull/108) - Added optional param for specifying decimal places of double.: `void Point::addField(String name, double value, int decimalPlaces = 2)`
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- [#111](https://github.com/tobiasschuerg/InfluxDB-Client-for-Arduino/pull/111) - Fixed blocked writing after another point reached max retry count (#110)
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## 3.4.0 [2020-10-02]
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### Features
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- [#89](https://github.com/tobiasschuerg/InfluxDB-Client-for-Arduino/pull/89) - ESP8266 only - Added Max Fragment Length Negotiation for TLS communication to reduce memory allocation. If server supports MFLN, it saves ~10kB. Standalone InfluxDB OSS server doesn't support MFLN, Cloud yes. To leverage MFLN for standalone OSS, a reverse proxy needs to be used.
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- [#91](https://github.com/tobiasschuerg/InfluxDB-Client-for-Arduino/pull/91) - Improved API for settings of write and HTTP options:
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- Introduced `WriteOptions` to wrap the write related options (write precision, batch-size, etc). It offers fluent style API allowing to change only the required options. `InfluxDBClient` has overloaded `setWriteOptions(const WriteOptions& writeOptions)` method.
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- Introduced `HTTPOptions` to wrap the HTTP related options (e.g. reusing connection). It offers fluent style API allowing to change only the required options. `InfluxDBClient` has `setHTTPOptions(const HTTPOptions& httpOptions)` method.
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- Added possibility to set HTTP response read timeout (part of the `HTTPOptions`).
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- Method `InfluxDBClient::void setWriteOptions(WritePrecision precision, uint16_t batchSize = 1, uint16_t bufferSize = 5, uint16_t flushInterval = 60, bool preserveConnection = true)` is deprecated and it will be removed in the next release.
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- [#93](https://github.com/tobiasschuerg/InfluxDB-Client-for-Arduino/pull/93) - Write logic improvements
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- Retry on failure logic unification with other InfluxDB clients (exponential retry, max retry count 3, max retry interval)
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- Better write buffer memory management
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### Documentation
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- [#87](https://github.com/tobiasschuerg/InfluxDB-Client-for-Arduino/pull/87) - Fixed include file name in the Readme
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- [#99](https://github.com/tobiasschuerg/InfluxDB-Client-for-Arduino/pull/99) - Changed default InfluxDB 2 port from 9999 to 8086 (default since InfluxDB 2 RC0)
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### Fixes
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- [#90](https://github.com/tobiasschuerg/InfluxDB-Client-for-Arduino/pull/90) - Fixed boolean type recognition of InfluxDB Flux
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- [#101](https://github.com/tobiasschuerg/InfluxDB-Client-for-Arduino/pull/101) - Better memory efficient point line composition
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## Version 3.3.0 (2020-07-07)
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- [NEW] Added possibility skip server certification validation (`setInsecure()` method)
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- [NEW] Added possibility to query flux on secured InfluxDB 1.8 using V1 approach
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- [NEW] `validateConnection()` can be used also for the [forward compatibility](https://docs.influxdata.com/influxdb/latest/tools/api/#influxdb-2-0-api-compatibility-endpoints) connection to InfluxDB 1.8
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- [FIX] More precise default timestamp generating, up to microseconds
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- [FIX] Debug compilation error
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- [FIX] SecureBatchWrite compile error
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## Version 3.2.0 (2020-06-09)
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- [NEW] Added possibility to read data from InfluxDB using Flux queries
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- [NEW] `timeSync` utility function for synchronous time synchronization using NTP
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- [FIX] Properly initialize member variable (#59)
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- [FIX] ASCII chars & compilation warning fix (#60)
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- [Update] ESP8266 SDK 2.7+ required
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## Version 3.1.3 (2020-04-27)
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- [FIX] SecureWrite crash (#54)
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## Version 3.1.2 (2020-04-18)
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- [FIX] Compilation error on fields order (#43)
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- [FIX] Invalid precision constant for microseconds (#49)
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- [FIX] Write error in case point has no tags (#50)
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## Version 3.1.1 (2020-04-06)
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- [Updated] CA Certificate for SSL (#38)
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## Version 3.1.0 (2020-03-12)
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- [NEW] Added User-agent header
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- [FIX] status code check when pinging an InfluxDB version 1.x instance
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## Version 3.0.0 (2020-02-11)
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- New API with similar keywords as other official InfluxDB clients
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- Richer set of data types for fields and timestamp methods
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- Advanced features, such as implicit batching, automatic retrying on server back-pressure and connection failure, along with secured communication over TLS supported for both devices and authentication
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- Special characters escaping
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- Backward support for original API of V1/V2
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