public async Task <IActionResult> Index()
{
try
{
await _reader.Read();
return(StatusCode(200));
}
catch (Exception ex)
{
_logger.LogError($"{nameof(_reader.Read)}: Ex: {ex.AllMessages()} {Environment.NewLine} Stack: {ex.StackTrace}");
return(StatusCode(500));
}
}
/// <summary>Tries to receive a message from the queue</summary>
/// <remarks>Within a transaction you cannot receive a message that you moved to a subqueue</remarks>
/// <param name="properties">The properties to read</param>
/// <param name="timeout">The time allowed, defaults to infinite. Use <see cref="F:System.TimeSpan.Zero" /> to return without waiting</param>
/// <param name="transaction">can be NULL for no transaction, a <see cref="T:BusterWood.Msmq.QueueTransaction" />, <see cref="F:BusterWood.Msmq.QueueTransaction.Single" />, or <see cref="F:BusterWood.Msmq.QueueTransaction.Dtc" />.</param>
/// <returns>The message, or NULL if the receive times out</returns>
public Message Read(Properties properties = Properties.All, TimeSpan?timeout = default(TimeSpan?), QueueTransaction transaction = null)
{
for (;;)
{
var msg = _queueReader.Read(properties | Properties.Label, timeout);
var hash = ComputeHash(msg);
var existingHash = _hashByLabel[msg.Label];
if (hash == existingHash)
{
Console.Error.WriteLine($"Dropping duplicate message for label '{msg.Label}'");
continue;
}
_hashByLabel[msg.Label] = hash;
return(msg);
}
}
public void ShouldReturnNullWhenQueueIsEmpty()
{
var result = _target.Read();
result.Should().BeNull();
}
