(Lianja) Azure Storage: Get Blob Service Stats

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

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// 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.

loRest = createobject("CkRest")

// Connect to the Azure Storage Blob Service
llBTls = .T.
lnPort = 443
llBAutoReconnect = .T.
// 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 ----
llSuccess = loRest.Connect("chilkat-secondary.blob.core.windows.net",lnPort,llBTls,llBAutoReconnect)
if (llSuccess <> .T.) then
    ? loRest.LastErrorText
    release loRest
    return
endif

// Provide Azure Cloud credentials for the REST call.
loAzAuth = createobject("CkAuthAzureStorage")
loAzAuth.AccessKey = "AZURE_ACCESS_KEY"
// The account name used here should match the 1st part of the domain passed in the call to Connect (above).
loAzAuth.Account = "chilkat"
loAzAuth.Scheme = "SharedKey"
loAzAuth.Service = "Blob"
// This causes the "x-ms-version: 2020-08-04" header to be automatically added.
loAzAuth.XMsVersion = "2020-08-04"
llSuccess = loRest.SetAuthAzureStorage(loAzAuth)

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

lcResponseStr = loRest.FullRequestNoBody("GET","/?restype=service&comp=stats")
if (loRest.LastMethodSuccess <> .T.) then
    ? loRest.LastErrorText
    release loRest
    release loAzAuth
    return
endif

// When successful, the Azure Storage service will respond with a 200 response code,
// with an XML body.  
if (loRest.ResponseStatusCode <> 200) then
    // Examine the request/response to see what happened.
    ? "response status code = " + str(loRest.ResponseStatusCode)
    ? "response status text = " + loRest.ResponseStatusText
    ? "response header: " + loRest.ResponseHeader
    ? "response body (if any): " + lcResponseStr
    ? "---"
    ? "LastRequestStartLine: " + loRest.LastRequestStartLine
    ? "LastRequestHeader: " + loRest.LastRequestHeader
    release loRest
    release loAzAuth
    return
endif

// Load the XML response for parsing.
// An example of the response XML is shown below.
loXml = createobject("CkXml")
llSuccess = loXml.LoadXml(lcResponseStr)

? loXml.GetXml()

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

? "Status = " + loXml.ChilkatPath("GeoReplication|Status|*")
lcLastSyncTimeStr = loXml.ChilkatPath("GeoReplication|LastSyncTime|*")
? "LastSyncTime = " + lcLastSyncTimeStr

// The date/time string can be loaded into a CkDateTime object for 
// access to individual parts, or conversion to other formats.
loDateTime = createobject("CkDateTime")
llSuccess = loDateTime.SetFromRfc822(lcLastSyncTimeStr)

// For example:
llBLocalTime = .T.
loDt = loDateTime.GetDtObj(llBLocalTime)
? str(loDt.Year) + "/" + str(loDt.Month) + "/" + str(loDt.Day)
release loDt

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


release loRest
release loAzAuth
release loXml
release loDateTime