ListDatastores PureBasic Example
IncludeFile "CkJsonObject.pb"
IncludeFile "CkStringBuilder.pb"
IncludeFile "CkRest.pb"
IncludeFile "CkAuthAws.pb"
Procedure ChilkatExample()
; This example requires the Chilkat API to have been previously unlocked.
; See Global Unlock Sample for sample code.
rest.i = CkRest::ckCreate()
If rest.i = 0
Debug "Failed to create object."
ProcedureReturn
EndIf
success.i
authAws.i = CkAuthAws::ckCreate()
If authAws.i = 0
Debug "Failed to create object."
ProcedureReturn
EndIf
CkAuthAws::setCkAccessKey(authAws, "AWS_ACCESS_KEY")
CkAuthAws::setCkSecretKey(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::setCkRegion(authAws, "us-west-2")
CkAuthAws::setCkServiceName(authAws, "iotanalytics")
; SetAuthAws causes Chilkat to automatically add the following headers: Authorization, X-Amz-Date
CkRest::ckSetAuthAws(rest,authAws)
; URL: https://iotanalytics.us-west-2.amazonaws.com/
; Use the same region as specified above.
success = CkRest::ckConnect(rest,"iotanalytics.us-west-2.amazonaws.com",443,1,1)
If success <> 1
Debug "ConnectFailReason: " + Str(CkRest::ckConnectFailReason(rest))
Debug CkRest::ckLastErrorText(rest)
CkRest::ckDispose(rest)
CkAuthAws::ckDispose(authAws)
ProcedureReturn
EndIf
CkRest::ckAddHeader(rest,"Content-Type","application/x-amz-json-1.1")
CkRest::ckAddHeader(rest,"X-Amz-Target","ListDatastores")
sbResponseBody.i = CkStringBuilder::ckCreate()
If sbResponseBody.i = 0
Debug "Failed to create object."
ProcedureReturn
EndIf
success = CkRest::ckFullRequestNoBodySb(rest,"GET","/datastores",sbResponseBody)
If success <> 1
Debug CkRest::ckLastErrorText(rest)
CkRest::ckDispose(rest)
CkAuthAws::ckDispose(authAws)
CkStringBuilder::ckDispose(sbResponseBody)
ProcedureReturn
EndIf
respStatusCode.i = CkRest::ckResponseStatusCode(rest)
Debug "response status code = " + Str(respStatusCode)
If respStatusCode <> 200
Debug "Response Header:"
Debug CkRest::ckResponseHeader(rest)
Debug "Response Body:"
Debug CkStringBuilder::ckGetAsString(sbResponseBody)
CkRest::ckDispose(rest)
CkAuthAws::ckDispose(authAws)
CkStringBuilder::ckDispose(sbResponseBody)
ProcedureReturn
EndIf
jResp.i = CkJsonObject::ckCreate()
If jResp.i = 0
Debug "Failed to create object."
ProcedureReturn
EndIf
CkJsonObject::ckLoadSb(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
creationTime.i
datastoreName.s
Bucket.s
KeyPrefix.s
RoleArn.s
CustomerManagedS3StorageBucket.s
CustomerManagedS3StorageKeyPrefix.s
fileFormatType.s
lastMessageArrivalTime.i
lastUpdateTime.i
status.s
j.i
count_j.i
AttributeName.s
timestampPartitionAttributeName.s
TimestampFormat.s
nextToken.s = CkJsonObject::ckStringOf(jResp,"nextToken")
i.i = 0
count_i.i = CkJsonObject::ckSizeOfArray(jResp,"datastoreSummaries")
While i < count_i
CkJsonObject::setCkI(jResp, i)
creationTime = CkJsonObject::ckIntOf(jResp,"datastoreSummaries[i].creationTime")
datastoreName = CkJsonObject::ckStringOf(jResp,"datastoreSummaries[i].datastoreName")
Bucket = CkJsonObject::ckStringOf(jResp,"datastoreSummaries[i].datastoreStorage.customerManagedS3.bucket")
KeyPrefix = CkJsonObject::ckStringOf(jResp,"datastoreSummaries[i].datastoreStorage.customerManagedS3.keyPrefix")
RoleArn = CkJsonObject::ckStringOf(jResp,"datastoreSummaries[i].datastoreStorage.customerManagedS3.roleArn")
CustomerManagedS3StorageBucket = CkJsonObject::ckStringOf(jResp,"datastoreSummaries[i].datastoreStorage.iotSiteWiseMultiLayerStorage.customerManagedS3Storage.bucket")
CustomerManagedS3StorageKeyPrefix = CkJsonObject::ckStringOf(jResp,"datastoreSummaries[i].datastoreStorage.iotSiteWiseMultiLayerStorage.customerManagedS3Storage.keyPrefix")
fileFormatType = CkJsonObject::ckStringOf(jResp,"datastoreSummaries[i].fileFormatType")
lastMessageArrivalTime = CkJsonObject::ckIntOf(jResp,"datastoreSummaries[i].lastMessageArrivalTime")
lastUpdateTime = CkJsonObject::ckIntOf(jResp,"datastoreSummaries[i].lastUpdateTime")
status = CkJsonObject::ckStringOf(jResp,"datastoreSummaries[i].status")
j = 0
count_j = CkJsonObject::ckSizeOfArray(jResp,"datastoreSummaries[i].datastorePartitions.partitions")
While j < count_j
CkJsonObject::setCkJ(jResp, j)
AttributeName = CkJsonObject::ckStringOf(jResp,"datastoreSummaries[i].datastorePartitions.partitions[j].attributePartition.attributeName")
timestampPartitionAttributeName = CkJsonObject::ckStringOf(jResp,"datastoreSummaries[i].datastorePartitions.partitions[j].timestampPartition.attributeName")
TimestampFormat = CkJsonObject::ckStringOf(jResp,"datastoreSummaries[i].datastorePartitions.partitions[j].timestampPartition.timestampFormat")
j = j + 1
Wend
i = i + 1
Wend
; A sample JSON response body parsed by the above code:
; {
; "datastoreSummaries": [
; {
; "creationTime": number,
; "datastoreName": "string",
; "datastorePartitions": {
; "partitions": [
; {
; "attributePartition": {
; "attributeName": "string"
; },
; "timestampPartition": {
; "attributeName": "string",
; "timestampFormat": "string"
; }
; }
; ]
; },
; "datastoreStorage": {
; "customerManagedS3": {
; "bucket": "string",
; "keyPrefix": "string",
; "roleArn": "string"
; },
; "iotSiteWiseMultiLayerStorage": {
; "customerManagedS3Storage": {
; "bucket": "string",
; "keyPrefix": "string"
; }
; },
; "serviceManagedS3": {}
; },
; "fileFormatType": "string",
; "lastMessageArrivalTime": number,
; "lastUpdateTime": number,
; "status": "string"
; }
; ],
; "nextToken": "string"
; }
CkRest::ckDispose(rest)
CkAuthAws::ckDispose(authAws)
CkStringBuilder::ckDispose(sbResponseBody)
CkJsonObject::ckDispose(jResp)
ProcedureReturn
EndProcedure
