public static void WriteBytes(SafeMailslotHandle h, byte[] bytes)
{
var success = WriteFile(h, bytes, bytes.Length, out var written, IntPtr.Zero);
if (!success || bytes.Length != written)
{
throw Throw("Failed to write message");
}
}
public static byte[] ReadBytes(SafeMailslotHandle h, int count)
{
var ret = new byte[count];
var res = ReadFile(h, ret, count, out var read, IntPtr.Zero);
if (!res)
{
throw Throw("Failed to read bytes");
}
return(ret);
}
public static int?GetInfo(SafeMailslotHandle h)
{
var result = GetMailslotInfo(h, IntPtr.Zero, out var ret, out var count, IntPtr.Zero);
if (!result)
{
throw Throw("Failed to get info about mail slot");
}
if (ret == MailslotNoMessage)
{
return(null);
}
return(ret);
}
private bool disposedValue = false; // To detect redundant calls
protected virtual void Dispose(bool disposing)
{
if (!disposedValue)
{
if (disposing)
{
// TODO: dispose managed state (managed objects).
}
if (_handle != null)
{
_handle.Close();
_handle = null;
}
disposedValue = true;
}
}
private MailSlot(string name, bool server)
{
try
{
if (server)
{
_handle = RawMailSlot.CreateMailSlot(name);
}
else
{
_handle = RawMailSlot.CreateFile(name);
}
}
catch (Exception ex)
{
throw new Exception($"Unable to create new mailslot with path {name}", ex);
}
if (_handle.IsInvalid)
{
throw new Exception($"Unable to create new mailslot with path {name}", new Win32Exception());
}
}
private static extern bool WriteFile(SafeMailslotHandle handle,
byte[] bytes, int numBytesToWrite, out int numBytesWritten,
IntPtr overlapped);
private static extern bool ReadFile(SafeMailslotHandle handle,
byte[] bytes, int numBytesToRead, out int numBytesRead,
IntPtr overlapped);
private static extern bool GetMailslotInfo(SafeMailslotHandle hMailslot,
IntPtr lpMaxMessageSize,
out int lpNextSize, out int lpMessageCount,
IntPtr lpReadTimeout);