Swift

Azure Storage: Get Blob Service Stats

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

func chilkatTest() {
    var success: Bool = 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.

    let rest = CkoRest()!

    // Connect to the Azure Storage Blob Service
    var bTls: Bool = true
    var port: Int = 443
    var bAutoReconnect: Bool = 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(hostname: "chilkat-secondary.blob.core.windows.net", port: port, tls: bTls, autoReconnect: bAutoReconnect)
    if success == false {
        print("\(rest.lastErrorText!)")
        return
    }

    // Provide Azure Cloud credentials for the REST call.
    let azAuth = CkoAuthAzureStorage()!
    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(authProvider: azAuth)

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

    var responseStr: String? = rest.fullRequestNoBody(httpVerb: "GET", uriPath: "/?restype=service&comp=stats")
    if rest.lastMethodSuccess == false {
        print("\(rest.lastErrorText!)")
        return
    }

    // When successful, the Azure Storage service will respond with a 200 response code,
    // with an XML body.  
    if rest.responseStatusCode.intValue != 200 {
        // Examine the request/response to see what happened.
        print("response status code = \(rest.responseStatusCode.intValue)")
        print("response status text = \(rest.responseStatusText!)")
        print("response header: \(rest.responseHeader!)")
        print("response body (if any): \(responseStr!)")
        print("---")
        print("LastRequestStartLine: \(rest.lastRequestStartLine!)")
        print("LastRequestHeader: \(rest.lastRequestHeader!)")
        return
    }

    // Load the XML response for parsing.
    // An example of the response XML is shown below.
    let xml = CkoXml()!
    success = xml.load(xmlData: responseStr)

    print("\(xml.getXml()!)")

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

    print("Status = \(xml.chilkatPath(cmd: "GeoReplication|Status|*")!)")
    var lastSyncTimeStr: String? = xml.chilkatPath(cmd: "GeoReplication|LastSyncTime|*")
    print("LastSyncTime = \(lastSyncTimeStr!)")

    // The date/time string can be loaded into a CkDateTime object for 
    // access to individual parts, or conversion to other formats.
    let dateTime = CkoDateTime()!
    success = dateTime.set(fromRfc822: lastSyncTimeStr)

    // For example:
    var bLocalTime: Bool = true
    let dt = CkoDtObj()!
    dateTime.toDtObj(bLocal: bLocalTime, dtObj: dt)

    print("\(dt.year.intValue)/\(dt.month.intValue)/\(dt.day.intValue)")

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

}