DescribeStream Unicode C Example
#include <C_CkRestW.h>
#include <C_CkAuthAwsW.h>
#include <C_CkJsonObjectW.h>
#include <C_CkStringBuilderW.h>
void ChilkatSample(void)
{
HCkRestW rest;
BOOL success;
HCkAuthAwsW authAws;
HCkJsonObjectW json;
HCkStringBuilderW sbRequestBody;
HCkStringBuilderW sbResponseBody;
int respStatusCode;
HCkJsonObjectW jResp;
int j;
int count_j;
const wchar_t *strVal;
const wchar_t *AdjacentParentShardId;
const wchar_t *EndingHashKey;
const wchar_t *StartingHashKey;
const wchar_t *ParentShardId;
const wchar_t *EndingSequenceNumber;
const wchar_t *StartingSequenceNumber;
const wchar_t *ShardId;
const wchar_t *EncryptionType;
int HasMoreShards;
const wchar_t *KeyId;
int RetentionPeriodHours;
const wchar_t *StreamARN;
int StreamCreationTimestamp;
const wchar_t *StreamMode;
const wchar_t *StreamName;
const wchar_t *StreamStatus;
int i;
int count_i;
// This example requires the Chilkat API to have been previously unlocked.
// See Global Unlock Sample for sample code.
rest = CkRestW_Create();
authAws = CkAuthAwsW_Create();
CkAuthAwsW_putAccessKey(authAws,L"AWS_ACCESS_KEY");
CkAuthAwsW_putSecretKey(authAws,L"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.)
CkAuthAwsW_putRegion(authAws,L"us-west-2");
CkAuthAwsW_putServiceName(authAws,L"kinesisvideo");
// SetAuthAws causes Chilkat to automatically add the following headers: Authorization, X-Amz-Date
CkRestW_SetAuthAws(rest,authAws);
// URL: https://kinesisvideo.us-west-2.amazonaws.com/
// Use the same region as specified above.
success = CkRestW_Connect(rest,L"kinesisvideo.us-west-2.amazonaws.com",443,TRUE,TRUE);
if (success != TRUE) {
wprintf(L"ConnectFailReason: %d\n",CkRestW_getConnectFailReason(rest));
wprintf(L"%s\n",CkRestW_lastErrorText(rest));
CkRestW_Dispose(rest);
CkAuthAwsW_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 = CkJsonObjectW_Create();
CkJsonObjectW_UpdateString(json,L"ExclusiveStartShardId",L"string");
CkJsonObjectW_UpdateInt(json,L"Limit",123);
CkJsonObjectW_UpdateString(json,L"StreamName",L"string");
// The JSON request body created by the above code:
// {
// "ExclusiveStartShardId": "string",
// "Limit": number,
// "StreamName": "string"
// }
CkRestW_AddHeader(rest,L"Content-Type",L"application/x-amz-json-1.1");
CkRestW_AddHeader(rest,L"X-Amz-Target",L"DescribeStream");
sbRequestBody = CkStringBuilderW_Create();
CkJsonObjectW_EmitSb(json,sbRequestBody);
sbResponseBody = CkStringBuilderW_Create();
success = CkRestW_FullRequestSb(rest,L"POST",L"/describeStream",sbRequestBody,sbResponseBody);
if (success != TRUE) {
wprintf(L"%s\n",CkRestW_lastErrorText(rest));
CkRestW_Dispose(rest);
CkAuthAwsW_Dispose(authAws);
CkJsonObjectW_Dispose(json);
CkStringBuilderW_Dispose(sbRequestBody);
CkStringBuilderW_Dispose(sbResponseBody);
return;
}
respStatusCode = CkRestW_getResponseStatusCode(rest);
wprintf(L"response status code = %d\n",respStatusCode);
if (respStatusCode != 200) {
wprintf(L"Response Header:\n");
wprintf(L"%s\n",CkRestW_responseHeader(rest));
wprintf(L"Response Body:\n");
wprintf(L"%s\n",CkStringBuilderW_getAsString(sbResponseBody));
CkRestW_Dispose(rest);
CkAuthAwsW_Dispose(authAws);
CkJsonObjectW_Dispose(json);
CkStringBuilderW_Dispose(sbRequestBody);
CkStringBuilderW_Dispose(sbResponseBody);
return;
}
jResp = CkJsonObjectW_Create();
CkJsonObjectW_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.
EncryptionType = CkJsonObjectW_stringOf(jResp,L"StreamDescription.EncryptionType");
HasMoreShards = CkJsonObjectW_IntOf(jResp,L"StreamDescription.HasMoreShards");
KeyId = CkJsonObjectW_stringOf(jResp,L"StreamDescription.KeyId");
RetentionPeriodHours = CkJsonObjectW_IntOf(jResp,L"StreamDescription.RetentionPeriodHours");
StreamARN = CkJsonObjectW_stringOf(jResp,L"StreamDescription.StreamARN");
StreamCreationTimestamp = CkJsonObjectW_IntOf(jResp,L"StreamDescription.StreamCreationTimestamp");
StreamMode = CkJsonObjectW_stringOf(jResp,L"StreamDescription.StreamModeDetails.StreamMode");
StreamName = CkJsonObjectW_stringOf(jResp,L"StreamDescription.StreamName");
StreamStatus = CkJsonObjectW_stringOf(jResp,L"StreamDescription.StreamStatus");
i = 0;
count_i = CkJsonObjectW_SizeOfArray(jResp,L"StreamDescription.EnhancedMonitoring");
while (i < count_i) {
CkJsonObjectW_putI(jResp,i);
j = 0;
count_j = CkJsonObjectW_SizeOfArray(jResp,L"StreamDescription.EnhancedMonitoring[i].ShardLevelMetrics");
while (j < count_j) {
CkJsonObjectW_putJ(jResp,j);
strVal = CkJsonObjectW_stringOf(jResp,L"StreamDescription.EnhancedMonitoring[i].ShardLevelMetrics[j]");
j = j + 1;
}
i = i + 1;
}
i = 0;
count_i = CkJsonObjectW_SizeOfArray(jResp,L"StreamDescription.Shards");
while (i < count_i) {
CkJsonObjectW_putI(jResp,i);
AdjacentParentShardId = CkJsonObjectW_stringOf(jResp,L"StreamDescription.Shards[i].AdjacentParentShardId");
EndingHashKey = CkJsonObjectW_stringOf(jResp,L"StreamDescription.Shards[i].HashKeyRange.EndingHashKey");
StartingHashKey = CkJsonObjectW_stringOf(jResp,L"StreamDescription.Shards[i].HashKeyRange.StartingHashKey");
ParentShardId = CkJsonObjectW_stringOf(jResp,L"StreamDescription.Shards[i].ParentShardId");
EndingSequenceNumber = CkJsonObjectW_stringOf(jResp,L"StreamDescription.Shards[i].SequenceNumberRange.EndingSequenceNumber");
StartingSequenceNumber = CkJsonObjectW_stringOf(jResp,L"StreamDescription.Shards[i].SequenceNumberRange.StartingSequenceNumber");
ShardId = CkJsonObjectW_stringOf(jResp,L"StreamDescription.Shards[i].ShardId");
i = i + 1;
}
// A sample JSON response body parsed by the above code:
// {
// "StreamDescription": {
// "EncryptionType": "string",
// "EnhancedMonitoring": [
// {
// "ShardLevelMetrics": [
// "string"
// ]
// }
// ],
// "HasMoreShards": boolean,
// "KeyId": "string",
// "RetentionPeriodHours": number,
// "Shards": [
// {
// "AdjacentParentShardId": "string",
// "HashKeyRange": {
// "EndingHashKey": "string",
// "StartingHashKey": "string"
// },
// "ParentShardId": "string",
// "SequenceNumberRange": {
// "EndingSequenceNumber": "string",
// "StartingSequenceNumber": "string"
// },
// "ShardId": "string"
// }
// ],
// "StreamARN": "string",
// "StreamCreationTimestamp": number,
// "StreamModeDetails": {
// "StreamMode": "string"
// },
// "StreamName": "string",
// "StreamStatus": "string"
// }
// }
CkRestW_Dispose(rest);
CkAuthAwsW_Dispose(authAws);
CkJsonObjectW_Dispose(json);
CkStringBuilderW_Dispose(sbRequestBody);
CkStringBuilderW_Dispose(sbResponseBody);
CkJsonObjectW_Dispose(jResp);
}
