Chilkat Online Tools

ListSnapshotBlocks Swift3 Example

Amazon Elastic Block Store

func chilkatTest() {
    // This example requires the Chilkat API to have been previously unlocked.
    // See Global Unlock Sample for sample code.

    let rest = CkoRest()!
    var success: Bool

    let authAws = CkoAuthAws()!
    authAws.accessKey = "AWS_ACCESS_KEY"
    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.)
    authAws.region = "us-west-2"
    authAws.serviceName = "ebs"
    // SetAuthAws causes Chilkat to automatically add the following headers: Authorization, X-Amz-Date
    rest.setAuthAws(authAws)

    // URL: https://ebs.us-west-2.amazonaws.com/
    // Use the same region as specified above.
    success = rest.connect("ebs.us-west-2.amazonaws.com", port: 443, tls: true, autoReconnect: true)
    if success != true {
        print("ConnectFailReason: \(rest.connectFailReason.intValue)")
        print("\(rest.lastErrorText!)")
        return
    }

    rest.addHeader("Content-Type", value: "application/x-amz-json-1.1")
    rest.addHeader("X-Amz-Target", value: "ListSnapshotBlocks")

    let sbResponseBody = CkoStringBuilder()!
    success = rest.fullRequestNoBodySb("GET", uriPath: "/snapshots/{snapshotId}/blocks", sb: sbResponseBody)
    if success != true {
        print("\(rest.lastErrorText!)")
        return
    }

    var respStatusCode: Int = rest.responseStatusCode.intValue
    print("response status code = \(respStatusCode)")
    if respStatusCode != 200 {
        print("Response Header:")
        print("\(rest.responseHeader!)")
        print("Response Body:")
        print("\(sbResponseBody.getAsString()!)")
        return
    }

    let jResp = CkoJsonObject()!
    jResp.loadSb(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

    var BlockIndex: Int
    var BlockToken: String?

    var BlockSize: Int = jResp.int(of: "BlockSize").intValue
    var ExpiryTime: Int = jResp.int(of: "ExpiryTime").intValue
    var NextToken: String? = jResp.string(of: "NextToken")
    var VolumeSize: Int = jResp.int(of: "VolumeSize").intValue
    var i: Int = 0
    var count_i: Int = jResp.size(ofArray: "Blocks").intValue
    while i < count_i {
        jResp.i = i
        BlockIndex = jResp.int(of: "Blocks[i].BlockIndex").intValue
        BlockToken = jResp.string(of: "Blocks[i].BlockToken")
        i = i + 1
    }

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

    // {
    //   "Blocks": [
    //     {
    //       "BlockIndex": number,
    //       "BlockToken": "string"
    //     }
    //   ],
    //   "BlockSize": number,
    //   "ExpiryTime": number,
    //   "NextToken": "string",
    //   "VolumeSize": number
    // }

}