public async Task InitializePublisher(ClientConfiguration configuration)
{
var options = new MqttClientOptionsBuilder()
.WithClientId(configuration.ClientId)
.WithCleanSession(false)
.WithTcpServer(configuration.Host, configuration.Port)
.WithCredentials(configuration.Username, configuration.Password)
.WithKeepAlivePeriod(TimeSpan.FromMilliseconds(configuration.KeepAlivePeriod))
.WithCommunicationTimeout(TimeSpan.FromMilliseconds(configuration.CommunicationTimeout)).Build();
var mqttClient = new MqttFactory().CreateMqttClient();
var connectResult = await mqttClient.ConnectAsync(options);
Console.WriteLine($"Publisher connection result : {connectResult.ResultCode}");
var rpcOptions = new MqttRpcClientOptions()
{
TopicGenerationStrategy = new DefaultMqttRpcClientTopicGenerationStrategy()
};
var rpcClient = new MqttRpcClient(mqttClient, rpcOptions);
var command = new CommandDto
{
Id = 1,
Message = "Say Hello world!"
};
var payload = JsonConvert.SerializeObject(command);
Console.WriteLine($"Publisher requesting work \"DoWork\" with Id : 1");
var responseMqtt = await rpcClient.ExecuteAsync(TimeSpan.FromSeconds(50), "DoWork", payload, MqttQualityOfServiceLevel.AtLeastOnce);
var response = Encoding.Default.GetString(responseMqtt);
Console.WriteLine($"Publisher got response : {response}");
}
public async Task <MqttRpcClient> ConnectRpcClient(MqttRpcClientOptions options)
{
return(new MqttRpcClient(await ConnectClient(), options));
}
