B4X

Azure Storage: Get Blob Service Stats

See more Azure Cloud Storage Examples

Azure Storage Blob Service REST API: Sample code to get Blob Service Stats B4X

Dim success As Boolean = False

'  Azure Blob Service Example: Get Blob Service Stats

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

Dim rest As ChilkatRest
rest.Initialize("rest")

'  Connect to the Azure Storage Blob Service
Dim bTls As Boolean = True
Dim port As Int = 443
Dim bAutoReconnect As Boolean = True
'  In this example, the storage account name is "chilkat".
'  ---- IMPORTANT ----
'  The "-secondary" suffix is required.
'  This requires an Azure storage account with replication set to "Read-access geo-redundant storage (RA-GRS)"
'  If you made the change just prior to testing this example, you'll need to give it time for the 
'  DNS to become available..  
'  ---- IMPORTANT ----
success = rest.Connect("chilkat-secondary.blob.core.windows.net", port, bTls, bAutoReconnect)
If success = False Then
    Log(rest.LastErrorText)
    Return
End If


'  Provide Azure Cloud credentials for the REST call.
Dim azAuth As ChilkatAuthAzureStorage
azAuth.Initialize
azAuth.AccessKey = "AZURE_ACCESS_KEY"
'  The account name used here should match the 1st part of the domain passed in the call to Connect (above).
azAuth.Account = "chilkat"
azAuth.Scheme = "SharedKey"
azAuth.Service = "Blob"
'  This causes the "x-ms-version: 2021-08-06" header to be automatically added.
azAuth.XMsVersion = "2021-08-06"
success = rest.SetAuthAzureStorage(azAuth)

'  Note: The application does not need to explicitly set the following
'  headers: x-ms-date, Authorization.  These headers
'  are automatically set by Chilkat.

Dim responseStr As String = rest.FullRequestNoBody("GET", "/?restype=service&comp=stats")
If rest.LastMethodSuccess = False Then
    Log(rest.LastErrorText)
    Return
End If


'  When successful, the Azure Storage service will respond with a 200 response code,
'  with an XML body.  
If rest.ResponseStatusCode <> 200 Then
    '  Examine the request/response to see what happened.
    Log("response status code = " & rest.ResponseStatusCode)
    Log("response status text = " & rest.ResponseStatusText)
    Log("response header: " & rest.ResponseHeader)
    Log("response body (if any): " & responseStr)
    Log("---")
    Log("LastRequestStartLine: " & rest.LastRequestStartLine)
    Log("LastRequestHeader: " & rest.LastRequestHeader)
    Return
End If


'  Load the XML response for parsing.
'  An example of the response XML is shown below.
Dim xml As ChilkatXml
xml.Initialize
success = xml.LoadXml(responseStr)

Log(xml.GetXml)

'  Use the ChilkatPath method to get various pieces of information out
'  of the XML.  For example:

Log("Status = " & xml.ChilkatPath("GeoReplication|Status|*"))
Dim lastSyncTimeStr As String = xml.ChilkatPath("GeoReplication|LastSyncTime|*")
Log("LastSyncTime = " & lastSyncTimeStr)

'  The date/time string can be loaded into a CkDateTime object for 
'  access to individual parts, or conversion to other formats.
Dim dateTime As ChilkatDateTime
dateTime.Initialize
success = dateTime.SetFromRfc822(lastSyncTimeStr)

'  For example:
Dim bLocalTime As Boolean = True
Dim dt As ChilkatDtObj
dt.Initialize
dateTime.ToDtObj(bLocalTime, dt)

Log(dt.Year & "/" & dt.Month & "/" & dt.Day)

'  <StorageServiceStats>
'      <GeoReplication>
'          <Status>live</Status>
'          <LastSyncTime>Tue, 03 May 2016 23:57:54 GMT</LastSyncTime>
'      </GeoReplication>
'  </StorageServiceStats>