static void Main(string[] args)
{
var sink = new DataSink();
for (int i = 0; i < 3; i++)
{
GenerateItemsAsync(i, sink);
}
Console.ReadLine();
}
static async void GenerateItemsAsync(int id, DataSink sink)
{
var random = new Random(id);
while (true)
{
int number = random.Next(1000);
await Task.Delay(TimeSpan.FromMilliseconds(number));
sink.Enqueue($"{id}: {number}");
}
}
static void Main(string[] args)
{
var cts = new CancellationTokenSource();
using (var sink = new DataSink("sample.txt"))
{
var task = Task.WhenAll(from id in Enumerable.Range(0, 3) select GenerateItemsAsync(id, sink, cts.Token));
Console.ReadLine();
cts.Cancel();
task.Wait();
}
}
static void Main(string[] args)
{
using (var sink = new DataSink("sample.txt"))
{
for (int i = 0; i < 3; i++)
{
GenerateItemsAsync(i, sink);
}
Console.ReadLine();
sink.DrainAsync().Wait();
}
}
static async Task Test(CancellationToken ct)
{
using (var sink = new DataSink("sample.txt"))
{
var sources =
from id in Enumerable.Range(0, 3)
select Observable.Create <string>(
observer => GenerateAsync(observer, id, ct));
var tcs = new TaskCompletionSource <object>();
Observable
.Merge(sources)
.Finally(() => tcs.SetResult(null))
.Subscribe(sink.PutData);
await tcs.Task;
}
}
static async Task GenerateItemsAsync(int id, DataSink sink, CancellationToken ct)
{
try
{
var random = new Random(id);
while (true)
{
int number = random.Next(1000);
await Task.Delay(TimeSpan.FromMilliseconds(number), ct);
await sink.PutDataAsync($"{id}: {number}");
}
}
catch (OperationCanceledException)
{
// ignore
}
}