public static Sprite Get(TailState type)
{
return(_sprites[type]);
}
public Tail()
{
_state = TailState.Idle;
}
public void Start(string filename)
{
_filename = filename;
using (var reader =
new StreamReader(
new FileStream(
_filename,
FileMode.Open,
FileAccess.Read,
FileShare.ReadWrite | FileShare.Delete
)
)
)
{
_state = TailState.Started;
//start at the end of the file
long lastMaxOffset = reader.BaseStream.Length;
while (true)
{
if (_stop)
{
reader.BaseStream.Close();
reader.Close();
break;
}
Thread.Sleep(100);
//if the file size has not changed, idle
if (reader.BaseStream.Length == lastMaxOffset)
continue;
//seek to the last max offset
reader.BaseStream.Seek(lastMaxOffset, SeekOrigin.Begin);
//read out of the file until the EOF
string output;
while ((output = reader.ReadLine()) != null)
InvokeOutputRecievedEvent(new OutputRecievedEvent {Output = output});
//update the last max offset
lastMaxOffset = reader.BaseStream.Position;
}
}
_state = TailState.Stopped;
}
public static void ChangeTailState(TailState state)
{
_isTailRaised = state == TailState.Raise;
}