Chilkat Online Tools

DescribeEvents C++ Example

AWS Health

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

    // URL: https://health.us-west-2.amazonaws.com/
    // Use the same region as specified above.
    success = rest.Connect("health.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("filter.availabilityZones[0]","string");
    json.UpdateInt("filter.endTimes[0].from",123);
    json.UpdateInt("filter.endTimes[0].to",123);
    json.UpdateString("filter.entityArns[0]","string");
    json.UpdateString("filter.entityValues[0]","string");
    json.UpdateString("filter.eventArns[0]","string");
    json.UpdateString("filter.eventStatusCodes[0]","string");
    json.UpdateString("filter.eventTypeCategories[0]","string");
    json.UpdateString("filter.eventTypeCodes[0]","string");
    json.UpdateInt("filter.lastUpdatedTimes[0].from",123);
    json.UpdateInt("filter.lastUpdatedTimes[0].to",123);
    json.UpdateString("filter.regions[0]","string");
    json.UpdateString("filter.services[0]","string");
    json.UpdateInt("filter.startTimes[0].from",123);
    json.UpdateInt("filter.startTimes[0].to",123);
    json.UpdateString("filter.tags[0].string","string");
    json.UpdateString("locale","string");
    json.UpdateInt("maxResults",123);
    json.UpdateString("nextToken","string");

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

    // {
    //   "filter": {
    //     "availabilityZones": [
    //       "string"
    //     ],
    //     "endTimes": [
    //       {
    //         "from": number,
    //         "to": number
    //       }
    //     ],
    //     "entityArns": [
    //       "string"
    //     ],
    //     "entityValues": [
    //       "string"
    //     ],
    //     "eventArns": [
    //       "string"
    //     ],
    //     "eventStatusCodes": [
    //       "string"
    //     ],
    //     "eventTypeCategories": [
    //       "string"
    //     ],
    //     "eventTypeCodes": [
    //       "string"
    //     ],
    //     "lastUpdatedTimes": [
    //       {
    //         "from": number,
    //         "to": number
    //       }
    //     ],
    //     "regions": [
    //       "string"
    //     ],
    //     "services": [
    //       "string"
    //     ],
    //     "startTimes": [
    //       {
    //         "from": number,
    //         "to": number
    //       }
    //     ],
    //     "tags": [
    //       {
    //         "string": "string"
    //       }
    //     ]
    //   },
    //   "locale": "string",
    //   "maxResults": number,
    //   "nextToken": "string"
    // }

    rest.AddHeader("Content-Type","application/x-amz-json-1.1");
    rest.AddHeader("X-Amz-Target","AWSHealth_20160804.DescribeEvents");

    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 *arn = 0;
    const char *availabilityZone = 0;
    int endTime;
    const char *eventScopeCode = 0;
    const char *eventTypeCategory = 0;
    const char *eventTypeCode = 0;
    int lastUpdatedTime;
    const char *region = 0;
    const char *service = 0;
    int startTime;
    const char *statusCode = 0;

    const char *nextToken = jResp.stringOf("nextToken");
    int i = 0;
    int count_i = jResp.SizeOfArray("events");
    while (i < count_i) {
        jResp.put_I(i);
        arn = jResp.stringOf("events[i].arn");
        availabilityZone = jResp.stringOf("events[i].availabilityZone");
        endTime = jResp.IntOf("events[i].endTime");
        eventScopeCode = jResp.stringOf("events[i].eventScopeCode");
        eventTypeCategory = jResp.stringOf("events[i].eventTypeCategory");
        eventTypeCode = jResp.stringOf("events[i].eventTypeCode");
        lastUpdatedTime = jResp.IntOf("events[i].lastUpdatedTime");
        region = jResp.stringOf("events[i].region");
        service = jResp.stringOf("events[i].service");
        startTime = jResp.IntOf("events[i].startTime");
        statusCode = jResp.stringOf("events[i].statusCode");
        i = i + 1;
    }

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

    // {
    //   "events": [
    //     {
    //       "arn": "string",
    //       "availabilityZone": "string",
    //       "endTime": number,
    //       "eventScopeCode": "string",
    //       "eventTypeCategory": "string",
    //       "eventTypeCode": "string",
    //       "lastUpdatedTime": number,
    //       "region": "string",
    //       "service": "string",
    //       "startTime": number,
    //       "statusCode": "string"
    //     }
    //   ],
    //   "nextToken": "string"
    // }
    }