weatherstation/firmware/libraries/ESP8266_Influxdb/src/BucketsClient 2.h
2022-09-15 10:23:02 +02:00

122 lines
4.2 KiB
C++

/**
*
* BucketsClient.h: InfluxDB Buckets Client
*
* MIT License
*
* Copyright (c) 2020 InfluxData
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in all
* copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
* SOFTWARE.
*/
#ifndef _BUCKETS_CLIENT_H_
#define _BUCKETS_CLIENT_H_
#include <HTTPService.h>
#include <memory>
class BucketsClient;
class Test;
/**
* Bucket represents a bucket in the InfluxDB 2 server
**/
class Bucket {
friend class BucketsClient;
friend class Test;
public:
// Create empty, invalid, bucket instance
Bucket();
// Create a bucket instance
Bucket(const char *id, const char *name, const uint32_t expire);
// Copy constructor
Bucket(const Bucket &other);
// Assignment operator
Bucket &operator=(const Bucket &other);
// for testing validity
operator bool() const { return !isNull(); }
// Clean bucket
~Bucket();
// Returns Bucket ID
const char *getID() const { return _data?_data->id:nullptr; }
// Retuns bucket name
const char *getName() const { return _data?_data->name:nullptr; }
// Retention policy in sec, 0 - inifinite
uint32_t getExpire() const { return _data?_data->expire:0; }
// Checks if it is null instance
bool isNull() const { return _data == nullptr; }
// String representation
String toString() const;
private:
class Data {
public:
Data(const char *id, const char *name, const uint32_t expire);
~Data();
char *id;
char *name;
uint32_t expire;
};
std::shared_ptr<Data> _data;
};
class InfluxDBClient;
class E2ETest;
/**
* BucketsClient is a client for managing buckets in the InfluxDB 2 server
* A new bucket can be created, or a bucket can be checked for existence by its name.
* A bucket can be also deleted.
**/
class BucketsClient {
friend class InfluxDBClient;
friend class Test;
friend class E2ETest;
public:
// Copy contructor
BucketsClient(const BucketsClient &other);
// Assignment operator
BucketsClient &operator=(const BucketsClient &other);
// nullptr assignment for clearing
BucketsClient &operator=(std::nullptr_t);
// for testing validity
operator bool() const { return !isNull(); }
// Returns true if a bucket exists
bool checkBucketExists(const char *bucketName);
// Returns a Bucket instance if a bucket is found.
Bucket findBucket(const char *bucketName);
// Creates a bucket with given name and optional retention policy. 0 means infinite.
Bucket createBucket(const char *bucketName, uint32_t expiresSec = 0);
// Delete a bucket with given id. Use findBucket to get a bucket with id.
bool deleteBucket(const char *id);
// Returns last error message
String getLastErrorMessage() { return _data?_data->pConnInfo->lastError:""; }
// check validity
bool isNull() const { return _data == nullptr; }
protected:
BucketsClient();
BucketsClient(ConnectionInfo *pConnInfo, HTTPService *service);
String getOrgID(const char *org);
private:
class Data {
public:
Data(ConnectionInfo *pConnInfo, HTTPService *pService):pConnInfo(pConnInfo),pService(pService) {};
ConnectionInfo *pConnInfo;
HTTPService *pService;
};
std::shared_ptr<Data> _data;
};
#endif