public List <byte> ExchangeData(T msgToWrite, TimeSpan timeout, TaskCompletionTest readyTest)
{
// Debug.WriteLine("-------------------------------------------------");
// prepare task
var tcs = PrepareTask();
_proto.BogusReceived += OnDataReceived;
// write the message
_proto.BogusOnly();
_proto.ClearBogus();
_proto.Write(msgToWrite);
// wait for eventual replies
var response = WaitForTaskCompletion(tcs, timeout, readyTest);
_proto.EndBogusOnly();
_proto.BogusReceived -= OnDataReceived;
return(response);
}
public List <byte> WaitForTaskCompletion(TaskCompletionSource <DataReceivedEventArgs> tcs, TimeSpan timeout, TaskCompletionTest test)
{
// wait for eventual replies
var sw = Stopwatch.StartNew();
var response = new List <byte>();
while (true)
{
bool taskSuccess = tcs.Task.Wait(timeout);
if (!taskSuccess && sw.Elapsed >= timeout)
{
break;
}
if (taskSuccess)
{
response.AddRange(tcs.Task.Result.Data);
}
// test if we have all data we wanted (or any other test completion encoded in "test");
if (test(response))
{
break;
}
// we need more data, refresh task
tcs = PrepareTask();
}
_logger.Trace("Task ran to completion; response: {0}", Util.ByteArrayToHexString(response));
// signal the waiting receiver thread: it waits for us to
// decide whether or not we want more data
lock (_receivedTaskLock) {
_dataReceivedTask = null; // if it failed, make sure task isn't completed again
}
_dataReceivedTaskRefresher.Set();
return(response);
}
public static Func <List <byte>, bool> CombineLogicalOr(TaskCompletionTest test1, TaskCompletionTest test2)
{
return(rcvd => test1(rcvd) || test2(rcvd));
}
