63 lines
2.7 KiB
C
63 lines
2.7 KiB
C
/**
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*
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* helpers.h: InfluxDB Client util functions
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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 _INFLUXDB_CLIENT_HELPERS_H
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#define _INFLUXDB_CLIENT_HELPERS_H
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#include <Arduino.h>
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#include <sys/time.h>
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// Synchronize time with NTP servers and waits for completition. Prints waiting progress and final synchronized time to the serial.
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// Accurate time is necessary for certificate validion and writing points in batch
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// For the fastest time sync find NTP servers in your area: https://www.pool.ntp.org/zone/
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void timeSync(const char *tzInfo, const char* ntpServer1, const char* ntpServer2 = nullptr, const char* ntpServer3 = nullptr);
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// Create timestamp in offset from epoch. secFracDigits specify resulution. 0 - seconds, 3 - milliseconds, etc. Maximum and default is 9 - nanoseconds.
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unsigned long long getTimeStamp(struct timeval *tv, int secFracDigits = 3);
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// Converts unsigned long long timestamp to String
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char *timeStampToString(unsigned long long timestamp, int extraCharsSpace = 0);
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// Escape invalid chars in measurement, tag key, tag value and field key
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char *escapeKey(const String &key, bool escapeEqual = true);
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// Escape invalid chars in field value
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String escapeValue(const char *value);
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// Encode URL string for invalid chars
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String urlEncode(const char* src);
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// Returns true of string contains valid InfluxDB ID type
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bool isValidID(const char *idString);
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// Returns "true" if val is true, otherwise "false"
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const char *bool2string(bool val);
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// Returns number of digits
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uint8_t getNumLength(long long l);
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// Like strdup, but uses new
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char *cloneStr(const char *str);
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// Like strlen, but accepts nullptr
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size_t strLen(const char *str);
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#endif //_INFLUXDB_CLIENT_HELPERS_H
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