Chilkat Online Tools

ListGateways C++ Example

AWS Storage Gateway

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

    // URL: https://storagegateway.us-west-2.amazonaws.com/
    // Use the same region as specified above.
    success = rest.Connect("storagegateway.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("Limit",123);
    json.UpdateString("Marker","string");

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

    // {
    //   "Limit": number,
    //   "Marker": "string"
    // }

    rest.AddHeader("Content-Type","application/x-amz-json-1.1");
    rest.AddHeader("X-Amz-Target","StorageGateway_20130630.ListGateways");

    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.

    const char *Ec2InstanceId = 0;
    const char *Ec2InstanceRegion = 0;
    const char *GatewayARN = 0;
    const char *GatewayId = 0;
    const char *GatewayName = 0;
    const char *GatewayOperationalState = 0;
    const char *GatewayType = 0;
    const char *HostEnvironment = 0;
    const char *HostEnvironmentId = 0;

    const char *Marker = jResp.stringOf("Marker");
    int i = 0;
    int count_i = jResp.SizeOfArray("Gateways");
    while (i < count_i) {
        jResp.put_I(i);
        Ec2InstanceId = jResp.stringOf("Gateways[i].Ec2InstanceId");
        Ec2InstanceRegion = jResp.stringOf("Gateways[i].Ec2InstanceRegion");
        GatewayARN = jResp.stringOf("Gateways[i].GatewayARN");
        GatewayId = jResp.stringOf("Gateways[i].GatewayId");
        GatewayName = jResp.stringOf("Gateways[i].GatewayName");
        GatewayOperationalState = jResp.stringOf("Gateways[i].GatewayOperationalState");
        GatewayType = jResp.stringOf("Gateways[i].GatewayType");
        HostEnvironment = jResp.stringOf("Gateways[i].HostEnvironment");
        HostEnvironmentId = jResp.stringOf("Gateways[i].HostEnvironmentId");
        i = i + 1;
    }

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

    // {
    //   "Gateways": [
    //     {
    //       "Ec2InstanceId": "string",
    //       "Ec2InstanceRegion": "string",
    //       "GatewayARN": "string",
    //       "GatewayId": "string",
    //       "GatewayName": "string",
    //       "GatewayOperationalState": "string",
    //       "GatewayType": "string",
    //       "HostEnvironment": "string",
    //       "HostEnvironmentId": "string"
    //     }
    //   ],
    //   "Marker": "string"
    // }
    }