Chilkat Online Tools

DescribeStream Swift Example

Amazon Kinesis Video Streams

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 = "kinesisvideo"
    // SetAuthAws causes Chilkat to automatically add the following headers: Authorization, X-Amz-Date
    rest.SetAuthAws(authAws)

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

    // The following code creates the JSON request body.
    // The JSON created by this code is shown below.

    // Use this online tool to generate code from sample JSON:
    // Generate Code to Create JSON

    let json = CkoJsonObject()
    json.UpdateString("ExclusiveStartShardId", value: "string")
    json.UpdateInt("Limit", value: 123)
    json.UpdateString("StreamName", value: "string")

    // The JSON request body created by the above code:

    // {
    //   "ExclusiveStartShardId": "string",
    //   "Limit": number,
    //   "StreamName": "string"
    // }

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

    let sbRequestBody = CkoStringBuilder()
    json.EmitSb(sbRequestBody)
    let sbResponseBody = CkoStringBuilder()
    success = rest.FullRequestSb("POST", uriPath: "/describeStream", requestBody: sbRequestBody, responseBody: 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 j: Int
    var count_j: Int
    var strVal: String?
    var AdjacentParentShardId: String?
    var EndingHashKey: String?
    var StartingHashKey: String?
    var ParentShardId: String?
    var EndingSequenceNumber: String?
    var StartingSequenceNumber: String?
    var ShardId: String?

    var EncryptionType: String? = jResp.StringOf("StreamDescription.EncryptionType")
    var HasMoreShards: Int = jResp.IntOf("StreamDescription.HasMoreShards").intValue
    var KeyId: String? = jResp.StringOf("StreamDescription.KeyId")
    var RetentionPeriodHours: Int = jResp.IntOf("StreamDescription.RetentionPeriodHours").intValue
    var StreamARN: String? = jResp.StringOf("StreamDescription.StreamARN")
    var StreamCreationTimestamp: Int = jResp.IntOf("StreamDescription.StreamCreationTimestamp").intValue
    var StreamMode: String? = jResp.StringOf("StreamDescription.StreamModeDetails.StreamMode")
    var StreamName: String? = jResp.StringOf("StreamDescription.StreamName")
    var StreamStatus: String? = jResp.StringOf("StreamDescription.StreamStatus")
    var i: Int = 0
    var count_i: Int = jResp.SizeOfArray("StreamDescription.EnhancedMonitoring").intValue
    while i < count_i {
        jResp.I = i
        j = 0
        count_j = jResp.SizeOfArray("StreamDescription.EnhancedMonitoring[i].ShardLevelMetrics").intValue
        while j < count_j {
            jResp.J = j
            strVal = jResp.StringOf("StreamDescription.EnhancedMonitoring[i].ShardLevelMetrics[j]")
            j = j + 1
        }

        i = i + 1
    }

    i = 0
    count_i = jResp.SizeOfArray("StreamDescription.Shards").intValue
    while i < count_i {
        jResp.I = i
        AdjacentParentShardId = jResp.StringOf("StreamDescription.Shards[i].AdjacentParentShardId")
        EndingHashKey = jResp.StringOf("StreamDescription.Shards[i].HashKeyRange.EndingHashKey")
        StartingHashKey = jResp.StringOf("StreamDescription.Shards[i].HashKeyRange.StartingHashKey")
        ParentShardId = jResp.StringOf("StreamDescription.Shards[i].ParentShardId")
        EndingSequenceNumber = jResp.StringOf("StreamDescription.Shards[i].SequenceNumberRange.EndingSequenceNumber")
        StartingSequenceNumber = jResp.StringOf("StreamDescription.Shards[i].SequenceNumberRange.StartingSequenceNumber")
        ShardId = jResp.StringOf("StreamDescription.Shards[i].ShardId")
        i = i + 1
    }

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

    // {
    //   "StreamDescription": {
    //     "EncryptionType": "string",
    //     "EnhancedMonitoring": [
    //       {
    //         "ShardLevelMetrics": [
    //           "string"
    //         ]
    //       }
    //     ],
    //     "HasMoreShards": boolean,
    //     "KeyId": "string",
    //     "RetentionPeriodHours": number,
    //     "Shards": [
    //       {
    //         "AdjacentParentShardId": "string",
    //         "HashKeyRange": {
    //           "EndingHashKey": "string",
    //           "StartingHashKey": "string"
    //         },
    //         "ParentShardId": "string",
    //         "SequenceNumberRange": {
    //           "EndingSequenceNumber": "string",
    //           "StartingSequenceNumber": "string"
    //         },
    //         "ShardId": "string"
    //       }
    //     ],
    //     "StreamARN": "string",
    //     "StreamCreationTimestamp": number,
    //     "StreamModeDetails": {
    //       "StreamMode": "string"
    //     },
    //     "StreamName": "string",
    //     "StreamStatus": "string"
    //   }
    // }

}