112 lines
4.4 KiB
C++
112 lines
4.4 KiB
C++
/**
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*
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* Options.h: InfluxDB Client write options and HTTP options
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*
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* MIT License
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*
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* Copyright (c) 2020 InfluxData
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*
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* Permission is hereby granted, free of charge, to any person obtaining a copy
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* of this software and associated documentation files (the "Software"), to deal
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* in the Software without restriction, including without limitation the rights
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* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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* copies of the Software, and to permit persons to whom the Software is
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* furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be included in all
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* copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
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* SOFTWARE.
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*/
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#ifndef _OPTIONS_H_
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#define _OPTIONS_H_
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#include "WritePrecision.h"
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class InfluxDBClient;
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class HTTPService;
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class Influxdb;
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class Test;
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/**
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* WriteOptions holds write related options
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*/
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class WriteOptions {
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private:
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friend class InfluxDBClient;
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friend class Influxdb;
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friend class Test;
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// Points timestamp precision
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WritePrecision _writePrecision;
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// Number of points that will be written to the databases at once.
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// Default 1 (immediate write, no batching)
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uint16_t _batchSize;
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// Write buffer size - maximum number of record to keep.
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// When max size is reached, oldest records are overwritten.
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// Default 5
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uint16_t _bufferSize;
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// Maximum number of seconds points can be held in buffer before are written to the db.
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// Buffer is flushed when it reaches batch size or when flush interval runs out.
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uint16_t _flushInterval;
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// Default retry interval in sec, if not sent by server. Default 5s
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uint16_t _retryInterval;
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// Maximum retry interval in sec, default 5min (300s)
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uint16_t _maxRetryInterval;
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// Maximum count of retry attempts of failed writes, default 3
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uint16_t _maxRetryAttempts;
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// Default tags. Default tags are added to every written point.
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// There cannot be duplicate tags in default tags and tags included in a point.
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String _defaultTags;
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public:
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WriteOptions():
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_writePrecision(WritePrecision::NoTime),
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_batchSize(1),
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_bufferSize(5),
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_flushInterval(60),
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_retryInterval(5),
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_maxRetryInterval(300),
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_maxRetryAttempts(3) {
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}
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WriteOptions& writePrecision(WritePrecision precision) { _writePrecision = precision; return *this; }
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WriteOptions& batchSize(uint16_t batchSize) { _batchSize = batchSize; return *this; }
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WriteOptions& bufferSize(uint16_t bufferSize) { _bufferSize = bufferSize; return *this; }
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WriteOptions& flushInterval(uint16_t flushIntervalSec) { _flushInterval = flushIntervalSec; return *this; }
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WriteOptions& retryInterval(uint16_t retryIntervalSec) { _retryInterval = retryIntervalSec; return *this; }
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WriteOptions& maxRetryInterval(uint16_t maxRetryIntervalSec) { _maxRetryInterval = maxRetryIntervalSec; return *this; }
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WriteOptions& maxRetryAttempts(uint16_t maxRetryAttempts) { _maxRetryAttempts = maxRetryAttempts; return *this; }
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WriteOptions& addDefaultTag(String name, String value);
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WriteOptions& clearDefaultTags() { _defaultTags = (char *)nullptr; return *this; }
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};
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/**
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* HTTPOptions holds HTTP related options
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*/
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class HTTPOptions {
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private:
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friend class InfluxDBClient;
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friend class HTTPService;
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friend class Influxdb;
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friend class Test;
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// true if HTTP connection should be kept open. Usable for frequent writes.
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// Default false.
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bool _connectionReuse;
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// Timeout [ms] for reading server response.
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// Default 5000ms
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int _httpReadTimeout;
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public:
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HTTPOptions():
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_connectionReuse(false),
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_httpReadTimeout(5000) {
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}
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HTTPOptions& connectionReuse(bool connectionReuse) { _connectionReuse = connectionReuse; return *this; }
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HTTPOptions& httpReadTimeout(int httpReadTimeoutMs) { _httpReadTimeout = httpReadTimeoutMs; return *this; }
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};
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#endif //_OPTIONS_H_
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