public override IEnumerator OnBeforeTranslate(IHttpTranslationContext context)
{
var timeSinceLast = Time.realtimeSinceStartup - _lastRequestTimestamp;
if (timeSinceLast < _delay)
{
var delay = _delay - timeSinceLast;
var instruction = CoroutineHelper.CreateWaitForSecondsRealtime(delay);
if (instruction != null)
{
yield return(instruction);
}
else
{
float start = Time.realtimeSinceStartup;
var end = start + delay;
while (Time.realtimeSinceStartup < end)
{
yield return(null);
}
}
}
_lastRequestTimestamp = Time.realtimeSinceStartup;
}
/// <summary>
/// Attempt to translated the provided untranslated text. Will be used in a "coroutine",
/// so it can be implemented in an asynchronous fashion.
/// </summary>
public IEnumerator Translate(ITranslationContext context)
{
EnsureInitialized();
while (_initializing && !_failed)
{
var instruction = CoroutineHelper.CreateWaitForSecondsRealtime(0.2f);
if (instruction != null)
{
yield return(instruction);
}
else
{
yield return(null);
}
}
if (_failed)
{
context.Fail("External process failed.");
}
var totalDelay = (float)(Rng.Next((int)((MaxDelay - MinDelay) * 1000)) + (MinDelay * 1000)) / 1000;
var timeSinceLast = TimeSupport.Time.realtimeSinceStartup - _lastRequestTimestamp;
if (timeSinceLast < totalDelay)
{
var remainingDelay = totalDelay - timeSinceLast;
var instruction = CoroutineHelper.CreateWaitForSecondsRealtime(remainingDelay);
if (instruction != null)
{
yield return(instruction);
}
else
{
float start = TimeSupport.Time.realtimeSinceStartup;
var end = start + remainingDelay;
while (TimeSupport.Time.realtimeSinceStartup < end)
{
yield return(null);
}
}
}
_lastRequestTimestamp = TimeSupport.Time.realtimeSinceStartup;
var result = new ProtocolTransactionHandle();
var id = Guid.NewGuid();
lock ( _sync )
{
_transactionHandles[id] = result;
}
try
{
var request = new TranslationRequest
{
Id = id,
SourceLanguage = context.SourceLanguage,
DestinationLanguage = context.DestinationLanguage,
UntranslatedTextInfos = context.UntranslatedTextInfos.Select(x => x.ToTransmittable()).ToArray()
};
var payload = ExtProtocolConvert.Encode(request);
_process.StandardInput.WriteLine(payload);
}
catch (Exception e)
{
result.SetCompleted(null, e.Message, StatusCode.Unknown);
}
// yield-wait for completion
var iterator = result.GetSupportedEnumerator();
while (iterator.MoveNext())
{
yield return(iterator.Current);
}
if (!result.Succeeded)
{
context.Fail("Error occurred while retrieving translation. " + result.Error);
}
context.Complete(result.Results);
}