Chilkat Online Tools

GetWorkGroup C Example

Athena

#include <C_CkRest.h>
#include <C_CkAuthAws.h>
#include <C_CkJsonObject.h>
#include <C_CkStringBuilder.h>

void ChilkatSample(void)
    {
    HCkRest rest;
    BOOL success;
    HCkAuthAws authAws;
    HCkJsonObject json;
    HCkStringBuilder sbRequestBody;
    HCkStringBuilder sbResponseBody;
    int respStatusCode;
    HCkJsonObject jResp;
    int BytesScannedCutoffPerQuery;
    int EnforceWorkGroupConfiguration;
    const char *EffectiveEngineVersion;
    const char *SelectedEngineVersion;
    int PublishCloudWatchMetricsEnabled;
    int RequesterPaysEnabled;
    const char *S3AclOption;
    const char *EncryptionOption;
    const char *KmsKey;
    const char *ExpectedBucketOwner;
    const char *OutputLocation;
    int CreationTime;
    const char *Description;
    const char *Name;
    const char *State;

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

    rest = CkRest_Create();

    authAws = CkAuthAws_Create();
    CkAuthAws_putAccessKey(authAws,"AWS_ACCESS_KEY");
    CkAuthAws_putSecretKey(authAws,"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.)
    CkAuthAws_putRegion(authAws,"us-west-2");
    CkAuthAws_putServiceName(authAws,"athena");
    // SetAuthAws causes Chilkat to automatically add the following headers: Authorization, X-Amz-Date
    CkRest_SetAuthAws(rest,authAws);

    // URL: https://athena.us-west-2.amazonaws.com/
    // Use the same region as specified above.
    success = CkRest_Connect(rest,"athena.us-west-2.amazonaws.com",443,TRUE,TRUE);
    if (success != TRUE) {
        printf("ConnectFailReason: %d\n",CkRest_getConnectFailReason(rest));
        printf("%s\n",CkRest_lastErrorText(rest));
        CkRest_Dispose(rest);
        CkAuthAws_Dispose(authAws);
        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

    json = CkJsonObject_Create();
    CkJsonObject_UpdateString(json,"WorkGroup","string");

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

    // {
    //   "WorkGroup": "string"
    // }

    CkRest_AddHeader(rest,"Content-Type","application/x-amz-json-1.1");
    CkRest_AddHeader(rest,"X-Amz-Target","AmazonAthena.GetWorkGroup");

    sbRequestBody = CkStringBuilder_Create();
    CkJsonObject_EmitSb(json,sbRequestBody);
    sbResponseBody = CkStringBuilder_Create();
    success = CkRest_FullRequestSb(rest,"POST","/",sbRequestBody,sbResponseBody);
    if (success != TRUE) {
        printf("%s\n",CkRest_lastErrorText(rest));
        CkRest_Dispose(rest);
        CkAuthAws_Dispose(authAws);
        CkJsonObject_Dispose(json);
        CkStringBuilder_Dispose(sbRequestBody);
        CkStringBuilder_Dispose(sbResponseBody);
        return;
    }

    respStatusCode = CkRest_getResponseStatusCode(rest);
    printf("response status code = %d\n",respStatusCode);
    if (respStatusCode != 200) {
        printf("Response Header:\n");
        printf("%s\n",CkRest_responseHeader(rest));
        printf("Response Body:\n");
        printf("%s\n",CkStringBuilder_getAsString(sbResponseBody));
        CkRest_Dispose(rest);
        CkAuthAws_Dispose(authAws);
        CkJsonObject_Dispose(json);
        CkStringBuilder_Dispose(sbRequestBody);
        CkStringBuilder_Dispose(sbResponseBody);
        return;
    }

    jResp = CkJsonObject_Create();
    CkJsonObject_LoadSb(jResp,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.

    BytesScannedCutoffPerQuery = CkJsonObject_IntOf(jResp,"WorkGroup.Configuration.BytesScannedCutoffPerQuery");
    EnforceWorkGroupConfiguration = CkJsonObject_IntOf(jResp,"WorkGroup.Configuration.EnforceWorkGroupConfiguration");
    EffectiveEngineVersion = CkJsonObject_stringOf(jResp,"WorkGroup.Configuration.EngineVersion.EffectiveEngineVersion");
    SelectedEngineVersion = CkJsonObject_stringOf(jResp,"WorkGroup.Configuration.EngineVersion.SelectedEngineVersion");
    PublishCloudWatchMetricsEnabled = CkJsonObject_IntOf(jResp,"WorkGroup.Configuration.PublishCloudWatchMetricsEnabled");
    RequesterPaysEnabled = CkJsonObject_IntOf(jResp,"WorkGroup.Configuration.RequesterPaysEnabled");
    S3AclOption = CkJsonObject_stringOf(jResp,"WorkGroup.Configuration.ResultConfiguration.AclConfiguration.S3AclOption");
    EncryptionOption = CkJsonObject_stringOf(jResp,"WorkGroup.Configuration.ResultConfiguration.EncryptionConfiguration.EncryptionOption");
    KmsKey = CkJsonObject_stringOf(jResp,"WorkGroup.Configuration.ResultConfiguration.EncryptionConfiguration.KmsKey");
    ExpectedBucketOwner = CkJsonObject_stringOf(jResp,"WorkGroup.Configuration.ResultConfiguration.ExpectedBucketOwner");
    OutputLocation = CkJsonObject_stringOf(jResp,"WorkGroup.Configuration.ResultConfiguration.OutputLocation");
    CreationTime = CkJsonObject_IntOf(jResp,"WorkGroup.CreationTime");
    Description = CkJsonObject_stringOf(jResp,"WorkGroup.Description");
    Name = CkJsonObject_stringOf(jResp,"WorkGroup.Name");
    State = CkJsonObject_stringOf(jResp,"WorkGroup.State");

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

    // {
    //   "WorkGroup": {
    //     "Configuration": {
    //       "BytesScannedCutoffPerQuery": number,
    //       "EnforceWorkGroupConfiguration": boolean,
    //       "EngineVersion": {
    //         "EffectiveEngineVersion": "string",
    //         "SelectedEngineVersion": "string"
    //       },
    //       "PublishCloudWatchMetricsEnabled": boolean,
    //       "RequesterPaysEnabled": boolean,
    //       "ResultConfiguration": {
    //         "AclConfiguration": {
    //           "S3AclOption": "string"
    //         },
    //         "EncryptionConfiguration": {
    //           "EncryptionOption": "string",
    //           "KmsKey": "string"
    //         },
    //         "ExpectedBucketOwner": "string",
    //         "OutputLocation": "string"
    //       }
    //     },
    //     "CreationTime": number,
    //     "Description": "string",
    //     "Name": "string",
    //     "State": "string"
    //   }
    // }


    CkRest_Dispose(rest);
    CkAuthAws_Dispose(authAws);
    CkJsonObject_Dispose(json);
    CkStringBuilder_Dispose(sbRequestBody);
    CkStringBuilder_Dispose(sbResponseBody);
    CkJsonObject_Dispose(jResp);

    }