Chilkat Online Tools

GetEC2RecommendationProjectedMetrics C++ Example

AWS Compute Optimizer

#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("compute-optimizer");
    // SetAuthAws causes Chilkat to automatically add the following headers: Authorization, X-Amz-Date
    rest.SetAuthAws(authAws);

    // URL: https://compute-optimizer.us-west-2.amazonaws.com/
    // Use the same region as specified above.
    success = rest.Connect("compute-optimizer.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.UpdateInt("endTime",123);
    json.UpdateString("instanceArn","string");
    json.UpdateInt("period",123);
    json.UpdateString("recommendationPreferences.cpuVendorArchitectures[0]","string");
    json.UpdateInt("startTime",123);
    json.UpdateString("stat","string");

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

    // {
    //   "endTime": number,
    //   "instanceArn": "string",
    //   "period": number,
    //   "recommendationPreferences": {
    //     "cpuVendorArchitectures": [
    //       "string"
    //     ]
    //   },
    //   "startTime": number,
    //   "stat": "string"
    // }

    rest.AddHeader("Content-Type","application/x-amz-json-1.0");
    rest.AddHeader("X-Amz-Target","ComputeOptimizerService.GetEC2RecommendationProjectedMetrics");

    CkStringBuilder sbRequestBody;
    json.EmitSb(sbRequestBody);
    CkStringBuilder sbResponseBody;
    success = rest.FullRequestSb("POST","/",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.

    int rank;
    const char *recommendedInstanceType = 0;
    int j;
    int count_j;
    const char *name = 0;
    int k;
    int count_k;
    int intVal;

    int i = 0;
    int count_i = jResp.SizeOfArray("recommendedOptionProjectedMetrics");
    while (i < count_i) {
        jResp.put_I(i);
        rank = jResp.IntOf("recommendedOptionProjectedMetrics[i].rank");
        recommendedInstanceType = jResp.stringOf("recommendedOptionProjectedMetrics[i].recommendedInstanceType");
        j = 0;
        count_j = jResp.SizeOfArray("recommendedOptionProjectedMetrics[i].projectedMetrics");
        while (j < count_j) {
            jResp.put_J(j);
            name = jResp.stringOf("recommendedOptionProjectedMetrics[i].projectedMetrics[j].name");
            k = 0;
            count_k = jResp.SizeOfArray("recommendedOptionProjectedMetrics[i].projectedMetrics[j].timestamps");
            while (k < count_k) {
                jResp.put_K(k);
                intVal = jResp.IntOf("recommendedOptionProjectedMetrics[i].projectedMetrics[j].timestamps[k]");
                k = k + 1;
            }

            k = 0;
            count_k = jResp.SizeOfArray("recommendedOptionProjectedMetrics[i].projectedMetrics[j].values");
            while (k < count_k) {
                jResp.put_K(k);
                intVal = jResp.IntOf("recommendedOptionProjectedMetrics[i].projectedMetrics[j].values[k]");
                k = k + 1;
            }

            j = j + 1;
        }

        i = i + 1;
    }

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

    // {
    //   "recommendedOptionProjectedMetrics": [
    //     {
    //       "projectedMetrics": [
    //         {
    //           "name": "string",
    //           "timestamps": [
    //             number
    //           ],
    //           "values": [
    //             number
    //           ]
    //         }
    //       ],
    //       "rank": number,
    //       "recommendedInstanceType": "string"
    //     }
    //   ]
    // }
    }