Chilkat Online Tools

DescribeChannel C# Example

AWS IoT Analytics

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

Chilkat.Rest rest = new Chilkat.Rest();
bool success;

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

// URL: https://iotanalytics.us-west-2.amazonaws.com/
// Use the same region as specified above.
success = rest.Connect("iotanalytics.us-west-2.amazonaws.com",443,true,true);
if (success != true) {
    Debug.WriteLine("ConnectFailReason: " + Convert.ToString(rest.ConnectFailReason));
    Debug.WriteLine(rest.LastErrorText);
    return;
}

rest.AddHeader("Content-Type","application/x-amz-json-1.1");
rest.AddHeader("X-Amz-Target","DescribeChannel");

Chilkat.StringBuilder sbResponseBody = new Chilkat.StringBuilder();
success = rest.FullRequestNoBodySb("GET","/channels/{channelName}",sbResponseBody);
if (success != true) {
    Debug.WriteLine(rest.LastErrorText);
    return;
}

int respStatusCode = rest.ResponseStatusCode;
Debug.WriteLine("response status code = " + Convert.ToString(respStatusCode));
if (respStatusCode != 200) {
    Debug.WriteLine("Response Header:");
    Debug.WriteLine(rest.ResponseHeader);
    Debug.WriteLine("Response Body:");
    Debug.WriteLine(sbResponseBody.GetAsString());
    return;
}

Chilkat.JsonObject jResp = new Chilkat.JsonObject();
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

string Arn = jResp.StringOf("channel.arn");
int CreationTime = jResp.IntOf("channel.creationTime");
int LastMessageArrivalTime = jResp.IntOf("channel.lastMessageArrivalTime");
int LastUpdateTime = jResp.IntOf("channel.lastUpdateTime");
string Name = jResp.StringOf("channel.name");
int NumberOfDays = jResp.IntOf("channel.retentionPeriod.numberOfDays");
int Unlimited = jResp.IntOf("channel.retentionPeriod.unlimited");
string Status = jResp.StringOf("channel.status");
string Bucket = jResp.StringOf("channel.storage.customerManagedS3.bucket");
string KeyPrefix = jResp.StringOf("channel.storage.customerManagedS3.keyPrefix");
string RoleArn = jResp.StringOf("channel.storage.customerManagedS3.roleArn");
int EstimatedOn = jResp.IntOf("statistics.size.estimatedOn");
int EstimatedSizeInBytes = jResp.IntOf("statistics.size.estimatedSizeInBytes");

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

// {
//   "channel": {
//     "arn": "string",
//     "creationTime": number,
//     "lastMessageArrivalTime": number,
//     "lastUpdateTime": number,
//     "name": "string",
//     "retentionPeriod": {
//       "numberOfDays": number,
//       "unlimited": boolean
//     },
//     "status": "string",
//     "storage": {
//       "customerManagedS3": {
//         "bucket": "string",
//         "keyPrefix": "string",
//         "roleArn": "string"
//       },
//       "serviceManagedS3": {}
//     }
//   },
//   "statistics": {
//     "size": {
//       "estimatedOn": number,
//       "estimatedSizeInBytes": number
//     }
//   }
// }