DescribeEvents C Example
#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;
const char *arn;
const char *availabilityZone;
int endTime;
const char *eventScopeCode;
const char *eventTypeCategory;
const char *eventTypeCode;
int lastUpdatedTime;
const char *region;
const char *service;
int startTime;
const char *statusCode;
const char *nextToken;
int i;
int count_i;
// 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,"health");
// SetAuthAws causes Chilkat to automatically add the following headers: Authorization, X-Amz-Date
CkRest_SetAuthAws(rest,authAws);
// URL: https://health.us-west-2.amazonaws.com/
// Use the same region as specified above.
success = CkRest_Connect(rest,"health.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,"filter.availabilityZones[0]","string");
CkJsonObject_UpdateInt(json,"filter.endTimes[0].from",123);
CkJsonObject_UpdateInt(json,"filter.endTimes[0].to",123);
CkJsonObject_UpdateString(json,"filter.entityArns[0]","string");
CkJsonObject_UpdateString(json,"filter.entityValues[0]","string");
CkJsonObject_UpdateString(json,"filter.eventArns[0]","string");
CkJsonObject_UpdateString(json,"filter.eventStatusCodes[0]","string");
CkJsonObject_UpdateString(json,"filter.eventTypeCategories[0]","string");
CkJsonObject_UpdateString(json,"filter.eventTypeCodes[0]","string");
CkJsonObject_UpdateInt(json,"filter.lastUpdatedTimes[0].from",123);
CkJsonObject_UpdateInt(json,"filter.lastUpdatedTimes[0].to",123);
CkJsonObject_UpdateString(json,"filter.regions[0]","string");
CkJsonObject_UpdateString(json,"filter.services[0]","string");
CkJsonObject_UpdateInt(json,"filter.startTimes[0].from",123);
CkJsonObject_UpdateInt(json,"filter.startTimes[0].to",123);
CkJsonObject_UpdateString(json,"filter.tags[0].string","string");
CkJsonObject_UpdateString(json,"locale","string");
CkJsonObject_UpdateInt(json,"maxResults",123);
CkJsonObject_UpdateString(json,"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"
// }
CkRest_AddHeader(rest,"Content-Type","application/x-amz-json-1.1");
CkRest_AddHeader(rest,"X-Amz-Target","AWSHealth_20160804.DescribeEvents");
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.
nextToken = CkJsonObject_stringOf(jResp,"nextToken");
i = 0;
count_i = CkJsonObject_SizeOfArray(jResp,"events");
while (i < count_i) {
CkJsonObject_putI(jResp,i);
arn = CkJsonObject_stringOf(jResp,"events[i].arn");
availabilityZone = CkJsonObject_stringOf(jResp,"events[i].availabilityZone");
endTime = CkJsonObject_IntOf(jResp,"events[i].endTime");
eventScopeCode = CkJsonObject_stringOf(jResp,"events[i].eventScopeCode");
eventTypeCategory = CkJsonObject_stringOf(jResp,"events[i].eventTypeCategory");
eventTypeCode = CkJsonObject_stringOf(jResp,"events[i].eventTypeCode");
lastUpdatedTime = CkJsonObject_IntOf(jResp,"events[i].lastUpdatedTime");
region = CkJsonObject_stringOf(jResp,"events[i].region");
service = CkJsonObject_stringOf(jResp,"events[i].service");
startTime = CkJsonObject_IntOf(jResp,"events[i].startTime");
statusCode = CkJsonObject_stringOf(jResp,"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"
// }
CkRest_Dispose(rest);
CkAuthAws_Dispose(authAws);
CkJsonObject_Dispose(json);
CkStringBuilder_Dispose(sbRequestBody);
CkStringBuilder_Dispose(sbResponseBody);
CkJsonObject_Dispose(jResp);
}
