private static void Main()
{
Console.WriteLine("Weather Stations Event Streamer" + Environment.NewLine);
AmazonKinesisClient kinesisClient = null;
try
{
//load config file
var configuration = new ConfigurationBuilder()
.SetBasePath(Directory.GetCurrentDirectory())
.AddJsonFile("appsettings.json")
.Build();
var kinesisStreamName = configuration["kinesis-stream"];
int timeDelay = Convert.ToInt16(configuration["time-delay"]);
kinesisClient = new AmazonKinesisClient(region: Amazon.RegionEndpoint.USEast1);
// Load mock json data from local file then convert to json
var weatherEvents = JsonConvert.DeserializeObject <IList <Event> >(File.ReadAllText("weather-data.json"));
foreach (var weatherEvent in weatherEvents)
{
// Send each weather item as an event to kinesis
string dataAsJson = JsonConvert.SerializeObject(weatherEvent);
using (var memoryStream = new MemoryStream(Encoding.UTF8.GetBytes(dataAsJson)))
{
var requestRecord = new PutRecordRequest
{
StreamName = kinesisStreamName,
PartitionKey = "weather",
Data = memoryStream
};
var response = kinesisClient.PutRecordAsync(requestRecord).Result;
if ((int)response.HttpStatusCode == 200)
{
Console.WriteLine($"Successfully sent record to Kinesis. Sequence number: {response.SequenceNumber}. Next event in {timeDelay}(s)");
}
else
{
Console.Write($"Failed on: {dataAsJson}");
}
}
Thread.Sleep(timeDelay * 1000);
}
}
catch (AmazonClientException amazonEx)
{
Console.WriteLine("Opps! Looks like you don't have an Amazon cli setup or incorrect Kinesis stream name. Update appsettings.json in this build directory. Check the exception below for more details.");
Console.Write(amazonEx.GetBaseException().ToString());
Console.ReadLine();
throw;
}
catch (Exception ex)
{
Console.Write(ex.GetBaseException().ToString());
Console.ReadLine();
throw;
}
finally {
kinesisClient?.Dispose();
}
}
protected virtual void Dispose(bool disposing)
{
if (!disposed)
{
if (disposing)
{
// Dispose managed resources.
if (kinesisClient != null)
{
kinesisClient.Dispose();
}
}
// There are no unmanaged resources to release, but
// if we add them, they need to be released here.
}
disposed = true;
}
public void Dispose()
{
_cancellationTokenSource.Cancel();
_task.Wait();
_client.Dispose();
}
public void Dispose()
{
_client.Dispose();
}
protected override void DisposeServices()
{
kinesisClient?.Dispose();
}
public void Dispose()
{
kinesisClient.Dispose();
}