Chilkat Online Tools

ListChangedBlocks autoit Example

Amazon Elastic Block Store

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

$oRest = ObjCreate("Chilkat_9_5_0.Rest")
Local $bSuccess

$oAuthAws = ObjCreate("Chilkat_9_5_0.AuthAws")
$oAuthAws.AccessKey = "AWS_ACCESS_KEY"
$oAuthAws.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.)
$oAuthAws.Region = "us-west-2"
$oAuthAws.ServiceName = "ebs"
; SetAuthAws causes Chilkat to automatically add the following headers: Authorization, X-Amz-Date
$oRest.SetAuthAws($oAuthAws)

; URL: https://ebs.us-west-2.amazonaws.com/
; Use the same region as specified above.
$bSuccess = $oRest.Connect("ebs.us-west-2.amazonaws.com",443,True,True)
If ($bSuccess <> True) Then
    ConsoleWrite("ConnectFailReason: " & $oRest.ConnectFailReason & @CRLF)
    ConsoleWrite($oRest.LastErrorText & @CRLF)
    Exit
EndIf

$oRest.AddHeader("Content-Type","application/x-amz-json-1.1")
$oRest.AddHeader("X-Amz-Target","ListChangedBlocks")

$oSbResponseBody = ObjCreate("Chilkat_9_5_0.StringBuilder")
$bSuccess = $oRest.FullRequestNoBodySb("GET","/snapshots/{secondSnapshotId}/changedblocks",$oSbResponseBody)
If ($bSuccess <> True) Then
    ConsoleWrite($oRest.LastErrorText & @CRLF)
    Exit
EndIf

Local $iRespStatusCode = $oRest.ResponseStatusCode
ConsoleWrite("response status code = " & $iRespStatusCode & @CRLF)
If ($iRespStatusCode <> 200) Then
    ConsoleWrite("Response Header:" & @CRLF)
    ConsoleWrite($oRest.ResponseHeader & @CRLF)
    ConsoleWrite("Response Body:" & @CRLF)
    ConsoleWrite($oSbResponseBody.GetAsString() & @CRLF)
    Exit
EndIf

$oJResp = ObjCreate("Chilkat_9_5_0.JsonObject")
$oJResp.LoadSb($oSbResponseBody)

; 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

Local $iBlockIndex
Local $sFirstBlockToken
Local $sSecondBlockToken

Local $iBlockSize = $oJResp.IntOf("BlockSize")
Local $iExpiryTime = $oJResp.IntOf("ExpiryTime")
Local $sNextToken = $oJResp.StringOf("NextToken")
Local $iVolumeSize = $oJResp.IntOf("VolumeSize")
Local $i = 0
Local $iCount_i = $oJResp.SizeOfArray("ChangedBlocks")
While $i < $iCount_i
    $oJResp.I = $i
    $iBlockIndex = $oJResp.IntOf("ChangedBlocks[i].BlockIndex")
    $sFirstBlockToken = $oJResp.StringOf("ChangedBlocks[i].FirstBlockToken")
    $sSecondBlockToken = $oJResp.StringOf("ChangedBlocks[i].SecondBlockToken")
    $i = $i + 1
Wend

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

; {
;   "BlockSize": number,
;   "ChangedBlocks": [
;     {
;       "BlockIndex": number,
;       "FirstBlockToken": "string",
;       "SecondBlockToken": "string"
;     }
;   ],
;   "ExpiryTime": number,
;   "NextToken": "string",
;   "VolumeSize": number
; }