Chilkat Online Tools

ListDatastores TCL Example

AWS IoT Analytics

load ./chilkat.dll

# This example requires the Chilkat API to have been previously unlocked.
# See Global Unlock Sample for sample code.

set rest [new_CkRest]

set authAws [new_CkAuthAws]

CkAuthAws_put_AccessKey $authAws "AWS_ACCESS_KEY"
CkAuthAws_put_SecretKey $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_put_Region $authAws "us-west-2"
CkAuthAws_put_ServiceName $authAws "iotanalytics"
# SetAuthAws causes Chilkat to automatically add the following headers: Authorization, X-Amz-Date
CkRest_SetAuthAws $rest $authAws

# URL: https://iotanalytics.us-west-2.amazonaws.com/
# Use the same region as specified above.
set success [CkRest_Connect $rest "iotanalytics.us-west-2.amazonaws.com" 443 1 1]
if {$success != 1} then {
    puts "ConnectFailReason: [CkRest_get_ConnectFailReason $rest]"
    puts [CkRest_lastErrorText $rest]
    delete_CkRest $rest
    delete_CkAuthAws $authAws
    exit
}

CkRest_AddHeader $rest "Content-Type" "application/x-amz-json-1.1"
CkRest_AddHeader $rest "X-Amz-Target" "ListDatastores"

set sbResponseBody [new_CkStringBuilder]

set success [CkRest_FullRequestNoBodySb $rest "GET" "/datastores" $sbResponseBody]
if {$success != 1} then {
    puts [CkRest_lastErrorText $rest]
    delete_CkRest $rest
    delete_CkAuthAws $authAws
    delete_CkStringBuilder $sbResponseBody
    exit
}

set respStatusCode [CkRest_get_ResponseStatusCode $rest]
puts "response status code = $respStatusCode"
if {$respStatusCode != 200} then {
    puts "Response Header:"
    puts [CkRest_responseHeader $rest]
    puts "Response Body:"
    puts [CkStringBuilder_getAsString $sbResponseBody]
    delete_CkRest $rest
    delete_CkAuthAws $authAws
    delete_CkStringBuilder $sbResponseBody
    exit
}

set jResp [new_CkJsonObject]

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

set nextToken [CkJsonObject_stringOf $jResp "nextToken"]
set i 0
set count_i [CkJsonObject_SizeOfArray $jResp "datastoreSummaries"]
while {$i < $count_i} {
    CkJsonObject_put_I $jResp $i
    set creationTime [CkJsonObject_IntOf $jResp "datastoreSummaries[i].creationTime"]
    set datastoreName [CkJsonObject_stringOf $jResp "datastoreSummaries[i].datastoreName"]
    set Bucket [CkJsonObject_stringOf $jResp "datastoreSummaries[i].datastoreStorage.customerManagedS3.bucket"]
    set KeyPrefix [CkJsonObject_stringOf $jResp "datastoreSummaries[i].datastoreStorage.customerManagedS3.keyPrefix"]
    set RoleArn [CkJsonObject_stringOf $jResp "datastoreSummaries[i].datastoreStorage.customerManagedS3.roleArn"]
    set CustomerManagedS3StorageBucket [CkJsonObject_stringOf $jResp "datastoreSummaries[i].datastoreStorage.iotSiteWiseMultiLayerStorage.customerManagedS3Storage.bucket"]
    set CustomerManagedS3StorageKeyPrefix [CkJsonObject_stringOf $jResp "datastoreSummaries[i].datastoreStorage.iotSiteWiseMultiLayerStorage.customerManagedS3Storage.keyPrefix"]
    set fileFormatType [CkJsonObject_stringOf $jResp "datastoreSummaries[i].fileFormatType"]
    set lastMessageArrivalTime [CkJsonObject_IntOf $jResp "datastoreSummaries[i].lastMessageArrivalTime"]
    set lastUpdateTime [CkJsonObject_IntOf $jResp "datastoreSummaries[i].lastUpdateTime"]
    set status [CkJsonObject_stringOf $jResp "datastoreSummaries[i].status"]
    set j 0
    set count_j [CkJsonObject_SizeOfArray $jResp "datastoreSummaries[i].datastorePartitions.partitions"]
    while {$j < $count_j} {
        CkJsonObject_put_J $jResp $j
        set AttributeName [CkJsonObject_stringOf $jResp "datastoreSummaries[i].datastorePartitions.partitions[j].attributePartition.attributeName"]
        set timestampPartitionAttributeName [CkJsonObject_stringOf $jResp "datastoreSummaries[i].datastorePartitions.partitions[j].timestampPartition.attributeName"]
        set TimestampFormat [CkJsonObject_stringOf $jResp "datastoreSummaries[i].datastorePartitions.partitions[j].timestampPartition.timestampFormat"]
        set j [expr $j + 1]
    }
    set i [expr $i + 1]
}

# 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"
# }

delete_CkRest $rest
delete_CkAuthAws $authAws
delete_CkStringBuilder $sbResponseBody
delete_CkJsonObject $jResp