GetMetricData 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 *Channel;
const char *Arn;
const char *Id;
int j;
int count_j;
const char *Name;
const char *Statistic;
const char *Comparison;
int ThresholdValue;
const char *Unit;
int Value;
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,"connect");
// SetAuthAws causes Chilkat to automatically add the following headers: Authorization, X-Amz-Date
CkRest_SetAuthAws(rest,authAws);
// URL: https://connect.us-west-2.amazonaws.com/
// Use the same region as specified above.
success = CkRest_Connect(rest,"connect.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_UpdateInt(json,"EndTime",123);
CkJsonObject_UpdateString(json,"Filters.Channels[0]","string");
CkJsonObject_UpdateString(json,"Filters.Queues[0]","string");
CkJsonObject_UpdateString(json,"Groupings[0]","string");
CkJsonObject_UpdateString(json,"HistoricalMetrics[0].Name","string");
CkJsonObject_UpdateString(json,"HistoricalMetrics[0].Statistic","string");
CkJsonObject_UpdateString(json,"HistoricalMetrics[0].Threshold.Comparison","string");
CkJsonObject_UpdateInt(json,"HistoricalMetrics[0].Threshold.ThresholdValue",123);
CkJsonObject_UpdateString(json,"HistoricalMetrics[0].Unit","string");
CkJsonObject_UpdateInt(json,"MaxResults",123);
CkJsonObject_UpdateString(json,"NextToken","string");
CkJsonObject_UpdateInt(json,"StartTime",123);
// The JSON request body created by the above code:
// {
// "EndTime": number,
// "Filters": {
// "Channels": [
// "string"
// ],
// "Queues": [
// "string"
// ]
// },
// "Groupings": [
// "string"
// ],
// "HistoricalMetrics": [
// {
// "Name": "string",
// "Statistic": "string",
// "Threshold": {
// "Comparison": "string",
// "ThresholdValue": number
// },
// "Unit": "string"
// }
// ],
// "MaxResults": number,
// "NextToken": "string",
// "StartTime": number
// }
CkRest_AddHeader(rest,"Content-Type","application/x-amz-json-1.1");
CkRest_AddHeader(rest,"X-Amz-Target","GetMetricData");
sbRequestBody = CkStringBuilder_Create();
CkJsonObject_EmitSb(json,sbRequestBody);
sbResponseBody = CkStringBuilder_Create();
success = CkRest_FullRequestSb(rest,"POST","/metrics/historical/{InstanceId}",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,"MetricResults");
while (i < count_i) {
CkJsonObject_putI(jResp,i);
Channel = CkJsonObject_stringOf(jResp,"MetricResults[i].Dimensions.Channel");
Arn = CkJsonObject_stringOf(jResp,"MetricResults[i].Dimensions.Queue.Arn");
Id = CkJsonObject_stringOf(jResp,"MetricResults[i].Dimensions.Queue.Id");
j = 0;
count_j = CkJsonObject_SizeOfArray(jResp,"MetricResults[i].Collections");
while (j < count_j) {
CkJsonObject_putJ(jResp,j);
Name = CkJsonObject_stringOf(jResp,"MetricResults[i].Collections[j].Metric.Name");
Statistic = CkJsonObject_stringOf(jResp,"MetricResults[i].Collections[j].Metric.Statistic");
Comparison = CkJsonObject_stringOf(jResp,"MetricResults[i].Collections[j].Metric.Threshold.Comparison");
ThresholdValue = CkJsonObject_IntOf(jResp,"MetricResults[i].Collections[j].Metric.Threshold.ThresholdValue");
Unit = CkJsonObject_stringOf(jResp,"MetricResults[i].Collections[j].Metric.Unit");
Value = CkJsonObject_IntOf(jResp,"MetricResults[i].Collections[j].Value");
j = j + 1;
}
i = i + 1;
}
// A sample JSON response body parsed by the above code:
// {
// "MetricResults": [
// {
// "Collections": [
// {
// "Metric": {
// "Name": "string",
// "Statistic": "string",
// "Threshold": {
// "Comparison": "string",
// "ThresholdValue": number
// },
// "Unit": "string"
// },
// "Value": number
// }
// ],
// "Dimensions": {
// "Channel": "string",
// "Queue": {
// "Arn": "string",
// "Id": "string"
// }
// }
// }
// ],
// "NextToken": "string"
// }
CkRest_Dispose(rest);
CkAuthAws_Dispose(authAws);
CkJsonObject_Dispose(json);
CkStringBuilder_Dispose(sbRequestBody);
CkStringBuilder_Dispose(sbResponseBody);
CkJsonObject_Dispose(jResp);
}
