public async ValueTask <bool> Publish(string exchangeName, string routingKey, bool mandatory, bool immediate, ContentHeaderProperties properties, ReadOnlyMemory <byte> message)
{
if (IsClosed)
{
return(false);
}
Session.LockEvent.Wait();
var info = new BasicPublishInfo(exchangeName, routingKey, mandatory, immediate);
var content = new ContentHeader(60, message.Length, ref properties);
if (message.Length <= Session.Tune.FrameMax)
{
var allinfo = new PublishAllInfo(ChannelId, ref message, ref info, content);
try
{
await Session.PublishAllAsync(allinfo).ConfigureAwait(false);
}catch (Exception e)
{
Debugger.Break();
var cts = new CancellationTokenSource(Session.Options.ConnectionTimeout);
using (var timeoutRegistratiuon = cts.Token.Register(() => cts.Cancel()))
{
return(await PublishAllContinuation(allinfo, cts.Token));
}
}
}
await WriterSemaphore.WaitAsync().ConfigureAwait(false);
var written = 0;
var partialInfo = new PublishPartialInfo(ref info, ref content);
await Session.PublishPartialAsync(ChannelId, partialInfo).ConfigureAwait(false);
while (written < content.BodySize)
{
var batchCnt = 0;
while (batchCnt < _publishBatchSize && written < content.BodySize)
{
var writable = Math.Min(Session.Tune.FrameMax, (int)content.BodySize - written);
_publishBatch[batchCnt] = message.Slice(written, writable);
batchCnt++;
written += writable;
}
await Session.PublishBodyAsync(ChannelId, _publishBatch).ConfigureAwait(false);
_publishBatch.AsSpan().Fill(ReadOnlyMemory <byte> .Empty);
}
WriterSemaphore.Release();
return(true);
}
private async ValueTask <bool> PublishAllContinuation(PublishAllInfo allInfo, CancellationToken timeout)
{
Session.LockEvent.Wait();
while (true)
{
if (timeout.IsCancellationRequested)
{
return(false);
}
try
{
await Session.PublishAllAsync(allInfo).ConfigureAwait(false);
return(true);
}
catch (Exception e)
{
Debugger.Break();
continue;
}
}
}
internal static ValueTask PublishAllAsync(this RabbitMQSession session, PublishAllInfo info, CancellationToken token = default)
{
return(session.Writer.WriteAsync(_fullWriter, info, token));
}