async Task <MqttApplicationMessageInterceptorContext> InterceptApplicationMessageAsync(
IMqttServerApplicationMessageInterceptor interceptor,
MqttClientConnection clientConnection,
MqttApplicationMessage applicationMessage)
{
string senderClientId;
IDictionary <object, object> sessionItems;
var messageIsFromServer = clientConnection == null;
if (messageIsFromServer)
{
senderClientId = _options.ClientId;
sessionItems = _serverSessionItems;
}
else
{
senderClientId = clientConnection.ClientId;
sessionItems = clientConnection.Session.Items;
}
var interceptorContext = new MqttApplicationMessageInterceptorContext
{
ClientId = senderClientId,
SessionItems = sessionItems,
AcceptPublish = true,
ApplicationMessage = applicationMessage,
CloseConnection = false
};
await interceptor.InterceptApplicationMessagePublishAsync(interceptorContext).ConfigureAwait(false);
return(interceptorContext);
}
public MqttServerOptionsBuilder GetOptionsBuilder(
IMqttServerSubscriptionInterceptor interceptor,
IMqttServerApplicationMessageInterceptor messageInterceptor)
{
if (!int.TryParse(_configuration["Settings:Port"], out var port))
{
port = 1883;
}
if (!int.TryParse(_configuration["Settings:SslPort"], out var sslport))
{
sslport = 8883;
}
var optionsBuilder = new MqttServerOptionsBuilder()
.WithDefaultEndpoint()
.WithDefaultEndpointPort(port)
.WithStorage(_storage)
.WithPersistentSessions()
.WithConnectionBacklog(15)
//.WithEncryptionSslProtocol(SslProtocols.Tls)
//.WithEncryptedEndpoint()
//.WithEncryptedEndpointPort(sslport)
.WithConnectionValidator(_validator)
.WithSubscriptionInterceptor(interceptor)
.WithApplicationMessageInterceptor(messageInterceptor);
return(optionsBuilder);
}
public MqttService(
ILogger <MqttService> logger,
IMqttServerSubscriptionInterceptor interceptor,
IMqttServerApplicationMessageInterceptor messageInterceptor,
IServiceProvider serviceProvider,
IHostApplicationLifetime appLifetime)
{
_logger = logger;
_interceptor = interceptor;
_messageInterceptor = messageInterceptor;
_serviceProvider = serviceProvider;
_appLifetime = appLifetime;
}
public MqttServerOptionsBuilder WithApplicationMessageInterceptor(IMqttServerApplicationMessageInterceptor value)
{
_options.ApplicationMessageInterceptor = value;
return(this);
}
