public override int Read(byte[] buffer, int offset, int size)
{
var message = $"{Name}.Read({offset},{size})";
if (RequireAsync)
{
throw Context.AssertFail($"{message}: async API required.");
}
SyncReadFunc syncRead = (b, o, s) => base.Read(b, o, s);
SyncReadFunc originalSyncRead = syncRead;
var action = Interlocked.Exchange(ref readAction, null);
if (action?.AsyncRead != null)
{
message += " - action";
AsyncReadFunc asyncBaseRead = (b, o, s, _) => Task.Factory.FromAsync(
(callback, state) => originalSyncRead.BeginInvoke(b, o, s, callback, state),
(result) => originalSyncRead.EndInvoke(result), null);
syncRead = (b, o, s) => action.AsyncRead(b, o, s, asyncBaseRead, CancellationToken.None).Result;
}
return(Read_internal(buffer, offset, size, message, syncRead));
}
int Read_internal(byte[] buffer, int offset, int size, string message, SyncReadFunc func)
{
Context.LogDebug(4, message);
try {
int ret = func(buffer, offset, size);
Context.LogDebug(4, "{0} done: {1}", message, ret);
return(ret);
} catch (Exception ex) {
Context.LogDebug(4, "{0} failed: {1}", message, ex);
throw;
}
}
int Read_internal(byte[] buffer, int offset, int size, string message, SyncReadFunc func)
{
LogDebug(message);
try {
int ret = func(buffer, offset, size);
LogDebug($"{message} done: {ret}");
return(ret);
} catch (Exception ex) {
if (IgnoreErrors)
{
return(-1);
}
LogDebug($"{message} failed: {ex}");
throw;
}
}
public override int Read(byte[] buffer, int offset, int size)
{
var message = string.Format("{0}.Read({1},{2})", Name, offset, size);
SyncReadFunc syncRead = (b, o, s) => base.Read(b, o, s);
SyncReadFunc originalSyncRead = syncRead;
var action = Interlocked.Exchange(ref readAction, null);
if (action?.AsyncRead != null)
{
message += " - action";
AsyncReadFunc asyncBaseRead = (b, o, s, _) => Task.Factory.FromAsync(
(callback, state) => originalSyncRead.BeginInvoke(b, o, s, callback, state),
(result) => originalSyncRead.EndInvoke(result), null);
syncRead = (b, o, s) => action.AsyncRead(b, o, s, asyncBaseRead, CancellationToken.None).Result;
}
return(Read_internal(buffer, offset, size, message, syncRead));
}
