public static void Main(string[] args)
{
// Setup configuration to either read from the appsettings.json file (if present) or environment variables.
var builder = new ConfigurationBuilder()
.SetBasePath(Directory.GetCurrentDirectory())
.AddJsonFile("appsettings.json", optional: true, reloadOnChange: true)
.AddEnvironmentVariables();
_configuration = builder.Build();
var arguments = ParseArguments();
var cosmosDbConnectionString = new CosmosDbConnectionString(arguments.CosmosDbConnectionString);
// Set an optional timeout for the generator.
var cancellationSource = arguments.MillisecondsToRun == 0 ? new CancellationTokenSource() : new CancellationTokenSource(arguments.MillisecondsToRun);
var cancellationToken = cancellationSource.Token;
var statistics = new Statistic[0];
// Set the Cosmos DB connection policy.
var connectionPolicy = new ConnectionPolicy
{
ConnectionMode = ConnectionMode.Direct,
ConnectionProtocol = Protocol.Tcp,
UseMultipleWriteLocations = true
};
var numberOfMillisecondsToLead = arguments.MillisecondsToLead;
var taskWaitTime = 0;
if (numberOfMillisecondsToLead > 0)
{
taskWaitTime = numberOfMillisecondsToLead;
}
var progress = new Progress <Progress>();
progress.ProgressChanged += (sender, progressArgs) =>
{
foreach (var message in progressArgs.Messages)
{
WriteLineInColor(message.Message, message.Color.ToConsoleColor());
}
statistics = progressArgs.Statistics;
};
WriteLineInColor("Vehicle Telemetry Generator", ConsoleColor.White);
Console.WriteLine("======");
WriteLineInColor("Press Ctrl+C or Ctrl+Break to cancel.", ConsoleColor.Cyan);
Console.WriteLine("Statistics for generated vehicle telemetry data will be updated for every 500 sent");
Console.WriteLine(string.Empty);
ThreadPool.SetMinThreads(100, 100);
// Handle Control+C or Control+Break.
Console.CancelKeyPress += (o, e) =>
{
WriteLineInColor("Stopped generator. No more events are being sent.", ConsoleColor.Yellow);
cancellationSource.Cancel();
// Allow the main thread to continue and exit...
WaitHandle.Set();
OutputStatistics(statistics);
};
// Initialize the telemetry generator:
TelemetryGenerator.Init();
// Instantiate Cosmos DB client and start sending messages:
using (_cosmosDbClient = new DocumentClient(cosmosDbConnectionString.ServiceEndpoint, cosmosDbConnectionString.AuthKey, connectionPolicy))
{
InitializeCosmosDb().Wait();
// Find and output the collection details, including # of RU/s.
var dataCollection = GetCollectionIfExists(DatabaseName, CollectionName);
var offer = (OfferV2)_cosmosDbClient.CreateOfferQuery().Where(o => o.ResourceLink == dataCollection.SelfLink).AsEnumerable().FirstOrDefault();
if (offer != null)
{
var currentCollectionThroughput = offer.Content.OfferThroughput;
WriteLineInColor($"Found collection `{CollectionName}` with {currentCollectionThroughput} RU/s ({currentCollectionThroughput} reads/second; {currentCollectionThroughput / 5} writes/second @ 1KB doc size)", ConsoleColor.Green);
var estimatedCostPerMonth = 0.06 * offer.Content.OfferThroughput;
var estimatedCostPerHour = estimatedCostPerMonth / (24 * 30);
WriteLineInColor($"The collection will cost an estimated ${estimatedCostPerHour:0.00} per hour (${estimatedCostPerMonth:0.00} per month (per write region))", ConsoleColor.Green);
}
// Start sending data to Cosmos DB.
SendData(100, taskWaitTime, cancellationToken, progress).Wait();
}
cancellationSource.Cancel();
Console.WriteLine();
WriteLineInColor("Done sending generated vehicle telemetry data", ConsoleColor.Cyan);
Console.WriteLine();
Console.WriteLine();
OutputStatistics(statistics);
// Keep the console open.
Console.ReadLine();
WaitHandle.WaitOne();
}
public static void Main(string[] args)
{
// Setup configuration to either read from the appsettings.json file (if present) or environment variables.
var builder = new ConfigurationBuilder()
.SetBasePath(Directory.GetCurrentDirectory())
.AddJsonFile("appsettings.json", optional: true, reloadOnChange: true)
.AddEnvironmentVariables();
_configuration = builder.Build();
var arguments = ParseArguments();
// Set an optional timeout for the generator.
var cancellationSource = arguments.MillisecondsToRun == 0 ? new CancellationTokenSource() : new CancellationTokenSource(arguments.MillisecondsToRun);
var cancellationToken = cancellationSource.Token;
var statistics = new Statistic[0];
var numberOfMillisecondsToLead = arguments.MillisecondsToLead;
var taskWaitTime = 0;
if (numberOfMillisecondsToLead > 0)
{
taskWaitTime = numberOfMillisecondsToLead;
}
var progress = new Progress <Progress>();
progress.ProgressChanged += (sender, progressArgs) =>
{
foreach (var message in progressArgs.Messages)
{
WriteLineInColor(message.Message, message.Color.ToConsoleColor());
}
statistics = progressArgs.Statistics;
};
WriteLineInColor("Vehicle Telemetry Generator", ConsoleColor.White);
Console.WriteLine("======");
WriteLineInColor("Press Ctrl+C or Ctrl+Break to cancel.", ConsoleColor.Cyan);
Console.WriteLine("Statistics for generated vehicle telemetry data will be updated for every 500 sent");
Console.WriteLine(string.Empty);
ThreadPool.SetMinThreads(100, 100);
// Handle Control+C or Control+Break.
Console.CancelKeyPress += (o, e) =>
{
WriteLineInColor("Stopped generator. No more events are being sent.", ConsoleColor.Yellow);
cancellationSource.Cancel();
// Allow the main thread to continue and exit...
WaitHandle.Set();
OutputStatistics(statistics);
};
// Initialize the telemetry generator:
TelemetryGenerator.Init();
// Create an Event Hub Client from a connection string, using the EventHubConnectionString value.
var eventHubClient = EventHubClient.CreateFromConnectionString(
arguments.EventHubConnectionString
);
// Start sending data to Event Hub.
SendData(100, eventHubClient, taskWaitTime, cancellationToken, progress).Wait();
cancellationSource.Cancel();
Console.WriteLine();
WriteLineInColor("Done sending generated vehicle telemetry data", ConsoleColor.Cyan);
Console.WriteLine();
Console.WriteLine();
OutputStatistics(statistics);
// Keep the console open.
Console.ReadLine();
WaitHandle.WaitOne();
}