Chilkat Online Tools

ListChannels 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","ListChannels");

Chilkat.StringBuilder sbResponseBody = new Chilkat.StringBuilder();
success = rest.FullRequestNoBodySb("GET","/channels",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 channelName;
string Bucket;
string KeyPrefix;
string RoleArn;
int creationTime;
int lastMessageArrivalTime;
int lastUpdateTime;
string status;

string nextToken = jResp.StringOf("nextToken");
int i = 0;
int count_i = jResp.SizeOfArray("channelSummaries");
while (i < count_i) {
    jResp.I = i;
    channelName = jResp.StringOf("channelSummaries[i].channelName");
    Bucket = jResp.StringOf("channelSummaries[i].channelStorage.customerManagedS3.bucket");
    KeyPrefix = jResp.StringOf("channelSummaries[i].channelStorage.customerManagedS3.keyPrefix");
    RoleArn = jResp.StringOf("channelSummaries[i].channelStorage.customerManagedS3.roleArn");
    creationTime = jResp.IntOf("channelSummaries[i].creationTime");
    lastMessageArrivalTime = jResp.IntOf("channelSummaries[i].lastMessageArrivalTime");
    lastUpdateTime = jResp.IntOf("channelSummaries[i].lastUpdateTime");
    status = jResp.StringOf("channelSummaries[i].status");
    i = i + 1;
}

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

// {
//   "channelSummaries": [
//     {
//       "channelName": "string",
//       "channelStorage": {
//         "customerManagedS3": {
//           "bucket": "string",
//           "keyPrefix": "string",
//           "roleArn": "string"
//         },
//         "serviceManagedS3": {}
//       },
//       "creationTime": number,
//       "lastMessageArrivalTime": number,
//       "lastUpdateTime": number,
//       "status": "string"
//     }
//   ],
//   "nextToken": "string"
// }