public async Task <MqttClientSubscribeResult> SubscribeAsync(MqttClientSubscribeOptions options, CancellationToken cancellationToken)
{
if (options == null)
{
throw new ArgumentNullException(nameof(options));
}
foreach (var topicFilter in options.TopicFilters)
{
MqttTopicValidator.ThrowIfInvalidSubscribe(topicFilter.Topic);
}
ThrowIfDisposed();
ThrowIfNotConnected();
var subscribePacket = _adapter.PacketFormatterAdapter.DataConverter.CreateSubscribePacket(options);
subscribePacket.PacketIdentifier = _packetIdentifierProvider.GetNextPacketIdentifier();
var subAckPacket = await SendAndReceiveAsync <MqttSubAckPacket>(subscribePacket, cancellationToken).ConfigureAwait(false);
return(_adapter.PacketFormatterAdapter.DataConverter.CreateClientSubscribeResult(subscribePacket, subAckPacket));
}
public void Invalid_Topic_Empty()
{
MqttTopicValidator.ThrowIfInvalidSubscribe(string.Empty);
}
public void Invalid_Topic_Hash_In_Between()
{
MqttTopicValidator.ThrowIfInvalidSubscribe("/a/#/c");
}
public void Valid_Topic_Only_Hash()
{
MqttTopicValidator.ThrowIfInvalidSubscribe("#");
}
public void Valid_Topic_Hash_Last_Char()
{
MqttTopicValidator.ThrowIfInvalidSubscribe("/a/#");
}
public void Valid_Topic_Plus_In_Between()
{
MqttTopicValidator.ThrowIfInvalidSubscribe("/a/+/c");
}
public void Valid_Topic()
{
MqttTopicValidator.ThrowIfInvalidSubscribe("/a/b/c");
}
