static void TestWritingAndPerformance(EndlessFileStream.EndlessFileStream fileStream = null)
{
var list = fileStream ?? new EndlessFileStream.EndlessFileStream(new EndlessFileStreamSettings {
BaseDirectory = @"C:\test\FileArray", MaxLogFileSizeInMByte = 1
});
long size = 0;
Stopwatch w = Stopwatch.StartNew();
int index = 0;
int maxExecutionTimeMinutes = 15;
Console.WriteLine($"Running now for {maxExecutionTimeMinutes}");
for (; ;)
{
string entry = Guid.NewGuid().ToString() + ":" + (++index).ToString();
list.Writer.WriteToFileStream(entry);
size += entry.Length; // Roughly - string in utf8 might be different to byte in size
if (w.ElapsedMilliseconds > 1000)
{
Console.WriteLine($"{(double)size / (double)w.ElapsedMilliseconds * 1000.0 / 1024.0 / 1024.0} MB/s");
Task.Delay(100).Wait();
w = Stopwatch.StartNew();
size = 0;
}
if (w.Elapsed.Minutes > maxExecutionTimeMinutes)
{
break;
}
}
}
static void ReadWhileWrite()
{
var stream = new EndlessFileStream.EndlessFileStream(new EndlessFileStreamSettings {
BaseDirectory = @"C:\test\FileArray", MaxLogFileSizeInMByte = 1
});
Task w = Task.Run(() => TestWritingAndPerformance(stream));
Stopwatch watch = Stopwatch.StartNew();
int maxExecutionTimeMinutes = 15;
Console.WriteLine($"Running now for {maxExecutionTimeMinutes}");
for (; ;)
{
try
{
var entries = stream.Reader.ReadEntries(FileStreamDirection.Forward, 10);
foreach (var a in entries)
{
Console.WriteLine($"READ: {a}");
}
}
catch (Exception e)
{
Console.Error.WriteLine($"Exception while reading endless stream: {e.Message}");
}
if (watch.Elapsed.Minutes > maxExecutionTimeMinutes)
{
break;
}
}
// ReSharper disable once FunctionNeverReturns
}