Chilkat Online Tools

DescribeChannel SQL Server Example

AWS IoT Analytics

CREATE PROCEDURE ChilkatSample
AS
BEGIN
    DECLARE @hr int
    DECLARE @iTmp0 int
    DECLARE @sTmp0 nvarchar(max)
    -- This example requires the Chilkat API to have been previously unlocked.
    -- See Global Unlock Sample for sample code.

    DECLARE @rest int
    EXEC @hr = sp_OACreate 'Chilkat_9_5_0.Rest', @rest OUT
    IF @hr <> 0
    BEGIN
        PRINT 'Failed to create ActiveX component'
        RETURN
    END

    DECLARE @success int

    DECLARE @authAws int
    EXEC @hr = sp_OACreate 'Chilkat_9_5_0.AuthAws', @authAws OUT

    EXEC sp_OASetProperty @authAws, 'AccessKey', 'AWS_ACCESS_KEY'
    EXEC sp_OASetProperty @authAws, 'SecretKey', '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.)
    EXEC sp_OASetProperty @authAws, 'Region', 'us-west-2'
    EXEC sp_OASetProperty @authAws, 'ServiceName', 'iotanalytics'
    -- SetAuthAws causes Chilkat to automatically add the following headers: Authorization, X-Amz-Date
    EXEC sp_OAMethod @rest, 'SetAuthAws', @success OUT, @authAws

    -- URL: https://iotanalytics.us-west-2.amazonaws.com/
    -- Use the same region as specified above.
    EXEC sp_OAMethod @rest, 'Connect', @success OUT, 'iotanalytics.us-west-2.amazonaws.com', 443, 1, 1
    IF @success <> 1
      BEGIN

        EXEC sp_OAGetProperty @rest, 'ConnectFailReason', @iTmp0 OUT
        PRINT 'ConnectFailReason: ' + @iTmp0
        EXEC sp_OAGetProperty @rest, 'LastErrorText', @sTmp0 OUT
        PRINT @sTmp0
        EXEC @hr = sp_OADestroy @rest
        EXEC @hr = sp_OADestroy @authAws
        RETURN
      END

    EXEC sp_OAMethod @rest, 'AddHeader', @success OUT, 'Content-Type', 'application/x-amz-json-1.1'
    EXEC sp_OAMethod @rest, 'AddHeader', @success OUT, 'X-Amz-Target', 'DescribeChannel'

    DECLARE @sbResponseBody int
    EXEC @hr = sp_OACreate 'Chilkat_9_5_0.StringBuilder', @sbResponseBody OUT

    EXEC sp_OAMethod @rest, 'FullRequestNoBodySb', @success OUT, 'GET', '/channels/{channelName}', @sbResponseBody
    IF @success <> 1
      BEGIN
        EXEC sp_OAGetProperty @rest, 'LastErrorText', @sTmp0 OUT
        PRINT @sTmp0
        EXEC @hr = sp_OADestroy @rest
        EXEC @hr = sp_OADestroy @authAws
        EXEC @hr = sp_OADestroy @sbResponseBody
        RETURN
      END
    DECLARE @respStatusCode int
    EXEC sp_OAGetProperty @rest, 'ResponseStatusCode', @respStatusCode OUT

    PRINT 'response status code = ' + @respStatusCode
    IF @respStatusCode <> 200
      BEGIN

        PRINT 'Response Header:'
        EXEC sp_OAGetProperty @rest, 'ResponseHeader', @sTmp0 OUT
        PRINT @sTmp0

        PRINT 'Response Body:'
        EXEC sp_OAMethod @sbResponseBody, 'GetAsString', @sTmp0 OUT
        PRINT @sTmp0
        EXEC @hr = sp_OADestroy @rest
        EXEC @hr = sp_OADestroy @authAws
        EXEC @hr = sp_OADestroy @sbResponseBody
        RETURN
      END

    DECLARE @jResp int
    EXEC @hr = sp_OACreate 'Chilkat_9_5_0.JsonObject', @jResp OUT

    EXEC sp_OAMethod @jResp, 'LoadSb', @success OUT, @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

    DECLARE @Arn nvarchar(max)
    EXEC sp_OAMethod @jResp, 'StringOf', @Arn OUT, 'channel.arn'
    DECLARE @CreationTime int
    EXEC sp_OAMethod @jResp, 'IntOf', @CreationTime OUT, 'channel.creationTime'
    DECLARE @LastMessageArrivalTime int
    EXEC sp_OAMethod @jResp, 'IntOf', @LastMessageArrivalTime OUT, 'channel.lastMessageArrivalTime'
    DECLARE @LastUpdateTime int
    EXEC sp_OAMethod @jResp, 'IntOf', @LastUpdateTime OUT, 'channel.lastUpdateTime'
    DECLARE @Name nvarchar(max)
    EXEC sp_OAMethod @jResp, 'StringOf', @Name OUT, 'channel.name'
    DECLARE @NumberOfDays int
    EXEC sp_OAMethod @jResp, 'IntOf', @NumberOfDays OUT, 'channel.retentionPeriod.numberOfDays'
    DECLARE @Unlimited int
    EXEC sp_OAMethod @jResp, 'IntOf', @Unlimited OUT, 'channel.retentionPeriod.unlimited'
    DECLARE @Status nvarchar(max)
    EXEC sp_OAMethod @jResp, 'StringOf', @Status OUT, 'channel.status'
    DECLARE @Bucket nvarchar(max)
    EXEC sp_OAMethod @jResp, 'StringOf', @Bucket OUT, 'channel.storage.customerManagedS3.bucket'
    DECLARE @KeyPrefix nvarchar(max)
    EXEC sp_OAMethod @jResp, 'StringOf', @KeyPrefix OUT, 'channel.storage.customerManagedS3.keyPrefix'
    DECLARE @RoleArn nvarchar(max)
    EXEC sp_OAMethod @jResp, 'StringOf', @RoleArn OUT, 'channel.storage.customerManagedS3.roleArn'
    DECLARE @EstimatedOn int
    EXEC sp_OAMethod @jResp, 'IntOf', @EstimatedOn OUT, 'statistics.size.estimatedOn'
    DECLARE @EstimatedSizeInBytes int
    EXEC sp_OAMethod @jResp, 'IntOf', @EstimatedSizeInBytes OUT, 'statistics.size.estimatedSizeInBytes'

    -- A sample JSON response body parsed by the above code:

    -- {
    --   "channel": {
    --     "arn": "string",
    --     "creationTime": number,
    --     "lastMessageArrivalTime": number,
    --     "lastUpdateTime": number,
    --     "name": "string",
    --     "retentionPeriod": {
    --       "numberOfDays": number,
    --       "unlimited": boolean
    --     },
    --     "status": "string",
    --     "storage": {
    --       "customerManagedS3": {
    --         "bucket": "string",
    --         "keyPrefix": "string",
    --         "roleArn": "string"
    --       },
    --       "serviceManagedS3": {}
    --     }
    --   },
    --   "statistics": {
    --     "size": {
    --       "estimatedOn": number,
    --       "estimatedSizeInBytes": number
    --     }
    --   }
    -- }

    EXEC @hr = sp_OADestroy @rest
    EXEC @hr = sp_OADestroy @authAws
    EXEC @hr = sp_OADestroy @sbResponseBody
    EXEC @hr = sp_OADestroy @jResp


END
GO