Chilkat Online Tools

CreateDatastore C++ Example

AWS IoT Analytics

#include <CkRest.h>
#include <CkAuthAws.h>
#include <CkJsonObject.h>
#include <CkStringBuilder.h>

void ChilkatSample(void)
    {
    // This example requires the Chilkat API to have been previously unlocked.
    // See Global Unlock Sample for sample code.

    CkRest rest;
    bool success;

    CkAuthAws authAws;
    authAws.put_AccessKey("AWS_ACCESS_KEY");
    authAws.put_SecretKey("AWS_SECRET_KEY");

    // Don't forget to change the region to your particular region. (Also make the same change in the call to Connect below.)
    authAws.put_Region("us-west-2");
    authAws.put_ServiceName("iotanalytics");
    // SetAuthAws causes Chilkat to automatically add the following headers: Authorization, X-Amz-Date
    rest.SetAuthAws(authAws);

    // URL: https://iotanalytics.us-west-2.amazonaws.com/
    // Use the same region as specified above.
    success = rest.Connect("iotanalytics.us-west-2.amazonaws.com",443,true,true);
    if (success != true) {
        std::cout << "ConnectFailReason: " << rest.get_ConnectFailReason() << "\r\n";
        std::cout << rest.lastErrorText() << "\r\n";
        return;
    }

    // The following code creates the JSON request body.
    // The JSON created by this code is shown below.

    // Use this online tool to generate code from sample JSON:
    // Generate Code to Create JSON

    CkJsonObject json;
    json.UpdateString("datastoreName","string");
    json.UpdateString("datastorePartitions.partitions[0].attributePartition.attributeName","string");
    json.UpdateString("datastorePartitions.partitions[0].timestampPartition.attributeName","string");
    json.UpdateString("datastorePartitions.partitions[0].timestampPartition.timestampFormat","string");
    json.UpdateString("datastoreStorage.customerManagedS3.bucket","string");
    json.UpdateString("datastoreStorage.customerManagedS3.keyPrefix","string");
    json.UpdateString("datastoreStorage.customerManagedS3.roleArn","string");
    json.UpdateString("datastoreStorage.iotSiteWiseMultiLayerStorage.customerManagedS3Storage.bucket","string");
    json.UpdateString("datastoreStorage.iotSiteWiseMultiLayerStorage.customerManagedS3Storage.keyPrefix","string");
    json.UpdateNewObject("datastoreStorage.serviceManagedS3");
    json.UpdateNewObject("fileFormatConfiguration.jsonConfiguration");
    json.UpdateString("fileFormatConfiguration.parquetConfiguration.schemaDefinition.columns[0].name","string");
    json.UpdateString("fileFormatConfiguration.parquetConfiguration.schemaDefinition.columns[0].type","string");
    json.UpdateInt("retentionPeriod.numberOfDays",123);
    json.UpdateInt("retentionPeriod.unlimited",123);
    json.UpdateString("tags[0].key","string");
    json.UpdateString("tags[0].value","string");

    // The JSON request body created by the above code:

    // {
    //   "datastoreName": "string",
    //   "datastorePartitions": {
    //     "partitions": [
    //       {
    //         "attributePartition": {
    //           "attributeName": "string"
    //         },
    //         "timestampPartition": {
    //           "attributeName": "string",
    //           "timestampFormat": "string"
    //         }
    //       }
    //     ]
    //   },
    //   "datastoreStorage": {
    //     "customerManagedS3": {
    //       "bucket": "string",
    //       "keyPrefix": "string",
    //       "roleArn": "string"
    //     },
    //     "iotSiteWiseMultiLayerStorage": {
    //       "customerManagedS3Storage": {
    //         "bucket": "string",
    //         "keyPrefix": "string"
    //       }
    //     },
    //     "serviceManagedS3": {}
    //   },
    //   "fileFormatConfiguration": {
    //     "jsonConfiguration": {},
    //     "parquetConfiguration": {
    //       "schemaDefinition": {
    //         "columns": [
    //           {
    //             "name": "string",
    //             "type": "string"
    //           }
    //         ]
    //       }
    //     }
    //   },
    //   "retentionPeriod": {
    //     "numberOfDays": number,
    //     "unlimited": boolean
    //   },
    //   "tags": [
    //     {
    //       "key": "string",
    //       "value": "string"
    //     }
    //   ]
    // }

    rest.AddHeader("Content-Type","application/x-amz-json-1.1");
    rest.AddHeader("X-Amz-Target","CreateDatastore");

    CkStringBuilder sbRequestBody;
    json.EmitSb(sbRequestBody);
    CkStringBuilder sbResponseBody;
    success = rest.FullRequestSb("POST","/datastores",sbRequestBody,sbResponseBody);
    if (success != true) {
        std::cout << rest.lastErrorText() << "\r\n";
        return;
    }

    int respStatusCode = rest.get_ResponseStatusCode();
    std::cout << "response status code = " << respStatusCode << "\r\n";
    if (respStatusCode != 200) {
        std::cout << "Response Header:" << "\r\n";
        std::cout << rest.responseHeader() << "\r\n";
        std::cout << "Response Body:" << "\r\n";
        std::cout << sbResponseBody.getAsString() << "\r\n";
        return;
    }

    CkJsonObject jResp;
    jResp.LoadSb(sbResponseBody);

    // The following code parses the JSON response.
    // A sample JSON response is shown below the sample code.

    // Use this online tool to generate parsing code from sample JSON:
    // Generate Parsing Code from JSON

    // Chilkat functions returning "const char *" return a pointer to temporary internal memory owned and managed by Chilkat.
    // See this example explaining how this memory should be used: const char * functions.

    const char *datastoreArn = jResp.stringOf("datastoreArn");
    const char *datastoreName = jResp.stringOf("datastoreName");
    int NumberOfDays = jResp.IntOf("retentionPeriod.numberOfDays");
    int Unlimited = jResp.IntOf("retentionPeriod.unlimited");

    // A sample JSON response body parsed by the above code:

    // {
    //   "datastoreArn": "string",
    //   "datastoreName": "string",
    //   "retentionPeriod": {
    //     "numberOfDays": number,
    //     "unlimited": boolean
    //   }
    // }
    }