public async Task SimplePublish(IFastQueueClient client, string topicName)
{
await using var publisher = await client.CreatePublisher(topicName, ack =>
{
Console.WriteLine($"(simple) Last persisted SequenceNumber: {ack}");
});
for (int i = 0; i < 1000; i++)
{
var message = messageGenerator.CreateMessage().Serialize();
var sequenceNumber = await publisher.Publish(message);
}
}
public async Task PublishBatches(IFastQueueClient client, string topicName)
{
await using var publisher = await client.CreatePublisherMany(topicName, ack =>
{
Console.WriteLine($"(batches) Last persisted SequenceNumber: {ack}");
});
for (int i = 0; i < 1000; i++)
{
var messages = new ReadOnlyMemory <byte> [10];
for (int j = 0; j < 10; j++)
{
messages[j] = messageGenerator.CreateMessage().Serialize();
}
var sequenceNumber = await publisher.Publish(messages);
}
}
public async Task PublishAndWaitUntilAllMessagesAreAcknowledged(IFastQueueClient client, string topicName)
{
// in the future there will be an extensions for Publisher to do this in a simpler way
bool waitingForAck = false;
long lastPublishedSequenceNumber = 0;
long lastAcknowledgedSequenceNumber = 0;
TaskCompletionSource <int> tcs = null;
await using var publisher = await client.CreatePublisher(topicName, ack =>
{
Console.WriteLine($"(waiting example) Last persisted SequenceNumber: {ack}");
lastAcknowledgedSequenceNumber = ack;
if (waitingForAck)
{
if (lastPublishedSequenceNumber == ack)
{
tcs.TrySetResult(0);
}
}
});
for (int i = 0; i < 1000; i++)
{
var message = messageGenerator.CreateMessage().Serialize();
lastPublishedSequenceNumber = await publisher.Publish(message);
}
tcs = new TaskCompletionSource <int>();
waitingForAck = true;
if (lastAcknowledgedSequenceNumber != lastPublishedSequenceNumber)
{
await tcs.Task;
}
Console.WriteLine($"(waiting example) All messages acknowledged");
}
public Task DeleteSubscription(IFastQueueClient client, string topicName, string subscriptionName)
{
return(client.DeleteSubscription(topicName, subscriptionName, CancellationToken.None));
}
public Task DeleteTopic(IFastQueueClient client, string topicName)
{
return(client.DeleteTopic(topicName, CancellationToken.None));
}
public Task <ISubscriber> CreateSubscriber(IFastQueueClient client, string topicName, string subscriptionName)
{
return(client.CreateSubscriber(topicName, subscriptionName, async(sub, ms) =>
{
var arr = ms.ToArray();
Console.WriteLine($"({subscriptionName}) Received: Count {arr.Length}, Range {arr[0].ID} - {arr[^1].ID}, Deserialized IDs {TestMessage.Deserialize(arr[0].Body.Span).ID} - {TestMessage.Deserialize(arr[^1].Body.Span).ID}");
