private static async Task FileWatcherAsync(CancellationToken cancellation)
{
LockFile lockFile;
do
{
if (cancellation.IsCancellationRequested)
{
await CancelAsync(cancellation);
await Task.Delay(1000);
}
var lastWrite = File.GetLastWriteTime(_fileName);
if ((lastWrite.Year == 1601 || _lastWrite < lastWrite))
{
lockFile = await LockFile.LoadAsync(_fileName);
if (lockFile != null)
{
if (_owned)
{
if (lockFile.IsOwned && (lockFile.Requests?.Any() ?? false))
{
var first = lockFile.Requests.FirstOrDefault();
if (first != null)
{
OwnershipRequested?.Invoke(first.User, first.Machine, first.Timestamp,
lockFile.Requests.Count());
}
}
}
else
{
_owned = lockFile.IsOwned;
if (_owned)
{
OwnershipObtained?.Invoke(Path.GetFileNameWithoutExtension(_fileName));
}
}
}
}
if (lastWrite.Year != 1601)
{
_lastWrite = lastWrite;
}
if (cancellation.IsCancellationRequested)
{
await CancelAsync(cancellation);
await Task.Delay(1000);
}
else
{
await Task.Delay(3000);
}
} while (true);
}
void ProcessConectedClientMessage(ReceivedClientMessage message)
{
message.Client.RefreshLastActivity();
switch (message.Message.Message.Event)
{
case "position": PositionUpdated?.Invoke(message); break;
case "netobjcreate":
var newNetObj = JsonConvert.DeserializeObject <NetObj>(message.Message.Message.Data.ToString());
_logger.LogInfo("netobjcreate: " + message.Message.Message.Data.ToString());
NetObjCreated?.Invoke(message.Client, newNetObj);
break;
case "request-ownership": OwnershipRequested?.Invoke(message.Client, new Guid(message.Message.Message.Data.ToString())); break;
default: BadConnectedClientMessage?.Invoke(message); break;
}
}
