public async Task <ConnectResult> Connect(ConnectArgument arg)
{
try {
var result = await ProtectedConnect(arg);
if (!result.IsRedirected && !result.Ok && if_failed != null)
{
Logging.error(ToString() + $": {arg} failed ({result.FailedReason}), redirecting to {if_failed}.");
return(ConnectResult.RedirectTo(this, if_failed));
}
return(result);
} catch (Exception ex) when(if_failed != null)
{
Logging.exception(ex, Logging.Level.Error, ToString() + $": {arg} failed, redirecting to {if_failed}.");
return(ConnectResult.RedirectTo(this, if_failed));
} catch (Exception) {
throw;
}
}
public static Task <ConnectResult> ConnectWrapper(IConnectionHandler handler, ConnectArgument arg)
{
var tcs = new TaskCompletionSource <ConnectResult>();
var newinc = InConnectionTcp.Create(arg.InAdapter, arg.Dest, async(r) => {
if (r.Ok)
{
var stream = new LoopbackStream();
r.Stream = stream;
tcs.SetResult(r);
return(stream.Another);
}
else
{
tcs.SetResult(r);
return(null);
}
});
newinc.Url = arg.Url;
newinc.DestOriginalName = arg.DestOriginalName;
NaiveUtils.RunAsyncTask(async() => {
try {
await handler.HandleTcpConnection(newinc).CAF();
} catch (Exception e) {
tcs.SetException(e);
return;
}
if (newinc.IsRedirected && tcs.Task.IsCompleted == false)
{
tcs.SetResult(ConnectResult.RedirectTo(handler, newinc.Redirected));
}
else
{
tcs.SetException(new Exception("handleConnection() did nothing."));
}
});
return(tcs.Task);
}
