public async Task <IActionResult> PeekMessage(Guid queuId)
{
this.logger.LogTrace("Call Peek for queuId={0}", queuId);
MqSettings settings = this.mqSettings.Value;
for (; ;)
{
Guid?messageId = await this.messageRepository.PeekMessageAsync(queuId).ConfigureAwait(false);
if (messageId.HasValue)
{
MessageDto message = await this.messageRepository.ReadById(messageId.Value).ConfigureAwait(false);
if (message.RetryCount > settings.MaxDefaultRetryCount)
{
await this.ProcessPosionMessage(message).ConfigureAwait(false);
await this.messageRepository.RemoveAsync(messageId.Value).ConfigureAwait(false);
continue;
}
return(this.Ok(message));
}
else
{
return(this.NoContent());
}
}
}
static void Main(string[] args)
{
var settings = new MqSettings
{
Channel = "DEMO.DEV.SVRCONN",
Connection = "localhost(1414)",
QueueManager = "QM1"
};
var receiver = new MessageReceiver(settings);
var sender = new MessageSender(settings);
var receiveStarted = false;
var sendStarted = false;
var keyInfo = new ConsoleKeyInfo();
while (keyInfo.KeyChar != 'e' && keyInfo.KeyChar != 'E')
{
Console.WriteLine("Press <e> to Exit, <r> to stop/start receiving messages, <s> to stop/start sending messages");
keyInfo = Console.ReadKey();
if (keyInfo.KeyChar == 'r')
{
if (receiveStarted)
{
Console.WriteLine("Stopping all message receivers...");
receiver.StopAll();
}
else
{
Console.WriteLine("Starting all message receivers...");
StartMessagePumps(receiver);
}
receiveStarted = !receiveStarted;
}
else if (keyInfo.KeyChar == 's')
{
if (sendStarted)
{
Console.WriteLine("Stopping all message senders...");
sender.StopAll();
}
else
{
Console.WriteLine("Starting all message senders...");
StartMessageSenders(sender);
}
sendStarted = !sendStarted;
}
}
}
public async Task <IActionResult> Exchange(Guid queuId, [FromBody] ExchangeModel exchangeModel)
{
this.logger.LogTrace("Call GetMessage for queuId={0}, nextVisibleInMs={1}", queuId, exchangeModel?.NextVisibleInMs);
MqSettings settings = this.mqSettings.Value;
for (; ;)
{
TimeSpan nextVisibility = settings.DefaultRetry;
if (exchangeModel != null && exchangeModel.NextVisibleInMs.HasValue)
{
nextVisibility = TimeSpan.FromMilliseconds(exchangeModel.NextVisibleInMs.Value);
}
Guid?messageId = await this.messageRepository.ReserveMessageAsync(queuId, nextVisibility).ConfigureAwait(false);
if (messageId.HasValue)
{
MessageDto message = await this.messageRepository.ReadById(messageId.Value).ConfigureAwait(false);
if (message.RetryCount > settings.MaxDefaultRetryCount)
{
await this.ProcessPosionMessage(message).ConfigureAwait(false);
await this.messageRepository.RemoveAsync(messageId.Value).ConfigureAwait(false);
continue;
}
return(this.Ok(message));
}
else
{
return(this.NoContent());
}
}
}
public MessageSender(MqSettings settings)
{
_settings = settings;
_tasks = new ConcurrentBag <Task>();
_ct = new CancellationTokenSource();
}
