public MqttClientSubscribeOptionsBuilder WithTopicFilter(
string topic,
MqttQualityOfServiceLevel qualityOfServiceLevel = MqttQualityOfServiceLevel.AtMostOnce,
bool noLocal = false,
bool retainAsPublished = false,
MqttRetainHandling retainHandling = MqttRetainHandling.SendAtSubscribe)
{
return(WithTopicFilter(new MqttTopicFilter
{
Topic = topic,
QualityOfServiceLevel = qualityOfServiceLevel,
NoLocal = noLocal,
RetainAsPublished = retainAsPublished,
RetainHandling = retainHandling
}));
}
public MqttSubscription(
string topic,
bool noLocal,
MqttRetainHandling retainHandling,
bool retainAsPublished,
MqttQualityOfServiceLevel qualityOfServiceLevel,
uint identifier)
{
Topic = topic;
NoLocal = noLocal;
RetainHandling = retainHandling;
RetainAsPublished = retainAsPublished;
GrantedQualityOfServiceLevel = qualityOfServiceLevel;
Identifier = identifier;
CalculateTopicHash(Topic, out var hash, out var hashMask, out var hasWildcard);
TopicHash = hash;
TopicHashMask = hashMask;
TopicHasWildcard = hasWildcard;
}
async Task ExecuteTest(
MqttRetainHandling retainHandling,
int expectedCountAfterSubscribe,
int expectedCountAfterSecondPublish,
int expectedCountAfterSecondSubscribe)
{
using (var testEnvironment = CreateTestEnvironment(MqttProtocolVersion.V500))
{
await testEnvironment.StartServer();
var client1 = await testEnvironment.ConnectClient();
await client1.PublishStringAsync("Topic", "Payload", retain : true);
await LongTestDelay();
var client2 = await testEnvironment.ConnectClient();
var applicationMessageHandler = testEnvironment.CreateApplicationMessageHandler(client2);
var topicFilter = testEnvironment.Factory.CreateTopicFilterBuilder().WithTopic("Topic").WithRetainHandling(retainHandling).Build();
await client2.SubscribeAsync(topicFilter);
await LongTestDelay();
applicationMessageHandler.AssertReceivedCountEquals(expectedCountAfterSubscribe);
await client1.PublishStringAsync("Topic", "Payload", retain : true);
await LongTestDelay();
applicationMessageHandler.AssertReceivedCountEquals(expectedCountAfterSecondPublish);
await client2.SubscribeAsync(topicFilter);
await LongTestDelay();
applicationMessageHandler.AssertReceivedCountEquals(expectedCountAfterSecondSubscribe);
}
}
public MqttTopicFilterBuilder WithRetainHandling(MqttRetainHandling value)
{
_retainHandling = value;
return(this);
}
public MqttTopicFilterBuilder WithRetainHandling(MqttRetainHandling?value)
{
_retainHandling = value ?? MqttRetainHandling.SendAtSubscribe;
return(this);
}
