static void Write()
{
using (var stream = new FileStream("test_32", FileMode.Create, FileAccess.ReadWrite, FileShare.Read, Constants.BlockSize /* , FileOptions.DeleteOnClose */))
{
var writer = new BlockWriter(stream);
long seq = 0;
for (int i = 800; i < 1000; i++)
{
for (int n = 0; n < 1000; n++)
{
var packet = new Packet()
{
Flow = TrafficFlow.Inbound,
Source = new IPEndPoint(IPAddress.Loopback, 123),
Destination = new IPEndPoint(IPAddress.Loopback, 456),
SequenceNumber = seq++,
Payload = CreatePayload(i * 1),
};
writer.Write(packet);
}
}
}
}
static void WriteSmall()
{
using (var stream = new FileStream("test_s", FileMode.Create, FileAccess.ReadWrite, FileShare.Read, Constants.BlockSize /* , FileOptions.DeleteOnClose */))
{
var writer = new BlockWriter(stream);
long seq = 0;
for (int i = 800; i < 850; i++)
{
for (int c = 0; c < 1; c++)
{
var packet = new Packet()
{
Flow = i % 2 == 0 ? TrafficFlow.Inbound : TrafficFlow.Outbound,
Source = new IPEndPoint(IPAddress.Loopback, 123),
Destination = new IPEndPoint(IPAddress.Loopback, 456),
SequenceNumber = seq++,
Payload = new byte[i],
};
var data = packet.Payload;
for (int n = 0; n < data.Length; n++)
{
data[n] = (byte)((n + 32) % 192);
}
writer.Write(packet);
}
}
}
}
private void Open()
{
var options = FileOptions.None;
if (DeleteOnClose)
{
options |= FileOptions.DeleteOnClose;
}
if (CanWrite)
{
if (LowestAllowedOffset != 0 || HighestAllowedOffset != 0)
{
throw new InvalidOperationException($"{nameof(LowestAllowedOffset)} and {nameof(HighestAllowedOffset)} must be zero.");
}
writerStream = new FileStream(FileName, FileMode.CreateNew, FileAccess.Write, FileShare.Read | FileShare.Delete, Constants.BlockSize, options);
writer = new BlockWriter(writerStream);
}
readerStream = OpenRead();
if (HighestAllowedOffset == 0)
{
HighestAllowedOffset = readerStream.Length;
}
reader = new BlockReader(readerStream)
{
HighestAllowedOffset = HighestAllowedOffset
};
BlockIterator = new CachedBlockIterator(reader);
FileLength = HighestAllowedOffset;
}