public async Task <bool> SendAsync(string message, CancellationToken token)
{
if (m_Disposed)
{
throw new ObjectDisposedException(GetType().Name);
}
if (message == null)
{
throw new ArgumentNullException("message");
}
using (var messageTcs = new MessageTaskCompletionSource(message, token))
{
await AddAsync(messageTcs);
return(await messageTcs.Task);
}
}
private async Task AddAsync(MessageTaskCompletionSource message)
{
using (await m_Monitor.EnterAsync(message.Token))
{
if (m_CompleteSending)
{
throw new InvalidOperationException("Queue already completed.");
}
if (Capacity < m_MessageCollection.Count)
{
m_MessageCollection.RemoveAll(item => item.IsCanceled);
if (Capacity < m_MessageCollection.Count)
{
throw new QueueOverflowException(string.Format("Queue overflow; '{0}' couldn't be enqueued.", message.Message));
}
}
m_MessageCollection.Add(message);
}
m_Monitor.Pulse(); // signal new message
Console.WriteLine("Thread '{0}' - {1}: '{2}' enqueued.", Thread.CurrentThread.ManagedThreadId, DateTime.Now.TimeOfDay, message.Message);
}
