public Server()
{
mqttServer = new MqttFactory().CreateMqttServer();
optionsBuilder = new MqttServerOptionsBuilder();
optionsBuilder = optionsBuilder
.WithConnectionBacklog(100)
.WithDefaultEndpointPort(1884);
}
private IMqttServerOptions CreateMqttServerOptions()
{
var options = new MqttServerOptionsBuilder()
.WithMaxPendingMessagesPerClient(_settings.MaxPendingMessagesPerClient)
.WithDefaultCommunicationTimeout(TimeSpan.FromSeconds(_settings.CommunicationTimeout))
.WithConnectionValidator(_mqttConnectionValidator)
.WithStorage(_mqttServerStorage);
// Configure unencrypted connections
if (_settings.TcpEndPoint.Enabled)
{
options.WithDefaultEndpoint();
if (_settings.TcpEndPoint.TryReadIPv4(out var address4))
{
options.WithDefaultEndpointBoundIPAddress(address4);
}
if (_settings.TcpEndPoint.TryReadIPv6(out var address6))
{
options.WithDefaultEndpointBoundIPV6Address(address6);
}
if (_settings.TcpEndPoint.Port > 0)
{
options.WithDefaultEndpointPort(_settings.TcpEndPoint.Port);
}
}
else
{
options.WithoutDefaultEndpoint();
}
if (_settings.ConnectionBacklog > 0)
{
options.WithConnectionBacklog(_settings.ConnectionBacklog);
}
if (_settings.EnablePersistentSessions)
{
options.WithPersistentSessions();
}
if (_settings.UseOriginalReseiverClientId)
{
options.WithApplicationMessageInterceptor(_messageInterceptor);
}
return(options.Build());
}
IMqttServerOptions CreateMqttServerOptions()
{
var options = new MqttServerOptionsBuilder()
.WithMaxPendingMessagesPerClient(_settings.MaxPendingMessagesPerClient)
.WithDefaultCommunicationTimeout(TimeSpan.FromSeconds(_settings.CommunicationTimeout))
.WithConnectionValidator(_mqttConnectionValidator)
.WithApplicationMessageInterceptor(_mqttApplicationMessageInterceptor)
.WithSubscriptionInterceptor(_mqttSubscriptionInterceptor)
.WithUnsubscriptionInterceptor(_mqttUnsubscriptionInterceptor)
.WithStorage(_mqttServerStorage);
// Configure unencrypted connections
if (_settings.TcpEndPoint.Enabled)
{
options.WithDefaultEndpoint();
if (_settings.TcpEndPoint.TryReadIPv4(out var address4))
{
options.WithDefaultEndpointBoundIPAddress(address4);
}
if (_settings.TcpEndPoint.TryReadIPv6(out var address6))
{
options.WithDefaultEndpointBoundIPV6Address(address6);
}
if (_settings.TcpEndPoint.Port > 0)
{
options.WithDefaultEndpointPort(_settings.TcpEndPoint.Port);
}
}
else
{
options.WithoutDefaultEndpoint();
}
// Configure encrypted connections
if (_settings.EncryptedTcpEndPoint.Enabled)
{
#if NETCOREAPP3_1 || NET5_0
options
.WithEncryptedEndpoint()
.WithEncryptionSslProtocol(SslProtocols.Tls13);
#else
options
.WithEncryptedEndpoint()
.WithEncryptionSslProtocol(SslProtocols.Tls12);
#endif
if (!string.IsNullOrEmpty(_settings.EncryptedTcpEndPoint?.Certificate?.Path))
{
IMqttServerCertificateCredentials certificateCredentials = null;
if (!string.IsNullOrEmpty(_settings.EncryptedTcpEndPoint?.Certificate?.Password))
{
certificateCredentials = new MqttServerCertificateCredentials
{
Password = _settings.EncryptedTcpEndPoint.Certificate.Password
};
}
options.WithEncryptionCertificate(_settings.EncryptedTcpEndPoint.Certificate.ReadCertificate(), certificateCredentials);
}
if (_settings.EncryptedTcpEndPoint.TryReadIPv4(out var address4))
{
options.WithEncryptedEndpointBoundIPAddress(address4);
}
if (_settings.EncryptedTcpEndPoint.TryReadIPv6(out var address6))
{
options.WithEncryptedEndpointBoundIPV6Address(address6);
}
if (_settings.EncryptedTcpEndPoint.Port > 0)
{
options.WithEncryptedEndpointPort(_settings.EncryptedTcpEndPoint.Port);
}
}
else
{
options.WithoutEncryptedEndpoint();
}
if (_settings.ConnectionBacklog > 0)
{
options.WithConnectionBacklog(_settings.ConnectionBacklog);
}
if (_settings.EnablePersistentSessions)
{
options.WithPersistentSessions();
}
return(options.Build());
}
static Igloo15MqttServer InitializeServer(Options config, ILoggerFactory factory)
{
Igloo15MqttServer server = null;
try
{
MqttServerOptionsBuilder serverBuilder = new MqttServerOptionsBuilder();
if (config.Encrypted && File.Exists(config.CertificateLocation))
{
if (config.IPAddress == "Any")
{
serverBuilder.WithEncryptedEndpoint();
}
else if (IPAddress.TryParse(config.IPAddress, out IPAddress address))
{
serverBuilder.WithEncryptedEndpointBoundIPAddress(address);
}
else
{
_logger.LogWarning($"Failed to parse provided IP Address : {config.IPAddress} using default");
serverBuilder.WithEncryptedEndpoint();
}
serverBuilder.WithEncryptedEndpointPort(config.Port);
var certificate = new X509Certificate2(config.CertificateLocation, config.CertificatePassword);
var certBytes = certificate.Export(X509ContentType.Cert);
serverBuilder.WithEncryptionCertificate(certBytes);
}
else
{
if (config.IPAddress == "Any")
{
serverBuilder.WithDefaultEndpoint();
}
else if (IPAddress.TryParse(config.IPAddress, out IPAddress address))
{
serverBuilder.WithDefaultEndpointBoundIPAddress(address);
}
else
{
_logger.LogWarning("Failed to parse provided IP Address : {IPAddress} using default", config.IPAddress);
serverBuilder.WithDefaultEndpoint();
}
serverBuilder.WithDefaultEndpointPort(config.Port);
}
if (config.Persistent)
{
serverBuilder.WithPersistentSessions();
}
if (!String.IsNullOrEmpty(config.MessageStorageLocation))
{
serverBuilder.WithStorage(new RetainedMessageHandler(config.MessageStorageLocation));
}
if (config.ShowSubscriptions)
{
serverBuilder.WithSubscriptionInterceptor(_interceptors.SubscriptionInterceptor);
}
if (config.ShowMessages)
{
serverBuilder.WithApplicationMessageInterceptor(_interceptors.MessageInterceptor);
}
if (config.ShowClientConnections)
{
serverBuilder.WithConnectionValidator(_interceptors.ConnectionInterceptor);
}
serverBuilder
.WithConnectionBacklog(config.ConnectionBacklog)
.WithMaxPendingMessagesPerClient(config.MaxPendingMessagesPerClient)
.WithDefaultCommunicationTimeout(TimeSpan.FromSeconds(config.CommunicationTimeout));
server = new Igloo15MqttServer(serverBuilder.Build(), factory);
}
catch (Exception e)
{
_logger.LogError(e, "Exception occured during Initialization of Server");
return(null);
}
return(server);
}
IMqttServerOptions CreateMqttServerOptions()
{
// Create client id if none provided
var cid = string.IsNullOrWhiteSpace(_settings.BrokerClientId) ? Guid.NewGuid().ToString("N").ToUpper() : _settings.BrokerClientId;
var options = new MqttServerOptionsBuilder()
.WithMaxPendingMessagesPerClient(_settings.MaxPendingMessagesPerClient)
.WithDefaultCommunicationTimeout(TimeSpan.FromSeconds(_settings.CommunicationTimeout))
.WithConnectionValidator(_mqttConnectionValidator)
.WithApplicationMessageInterceptor(_mqttApplicationMessageInterceptor)
.WithSubscriptionInterceptor(_mqttSubscriptionInterceptor)
.WithUnsubscriptionInterceptor(_mqttUnsubscriptionInterceptor)
.WithClientId(cid);
// Configure unencrypted connections
if (_settings.TcpEndPoint.Enabled)
{
options.WithDefaultEndpoint();
if (_settings.TcpEndPoint.TryReadIPv4(out var address4))
{
options.WithDefaultEndpointBoundIPAddress(address4);
}
if (_settings.TcpEndPoint.TryReadIPv6(out var address6))
{
options.WithDefaultEndpointBoundIPV6Address(address6);
}
if (_settings.TcpEndPoint.Port > 0)
{
options.WithDefaultEndpointPort(_settings.TcpEndPoint.Port);
_logger.LogInformation($"MQTT Broker '{_settings.BrokerName}' listening on TCP port {_settings.TcpEndPoint.Port}, ClientID: {cid}");
}
}
else
{
options.WithoutDefaultEndpoint();
}
// Configure encrypted connections
if (_settings.EncryptedTcpEndPoint.Enabled)
{
options
.WithEncryptedEndpoint()
.WithEncryptionSslProtocol(SslProtocols.Tls13);
if (!string.IsNullOrEmpty(_settings.EncryptedTcpEndPoint?.Certificate?.Path))
{
IMqttServerCertificateCredentials certificateCredentials = null;
if (!string.IsNullOrEmpty(_settings.EncryptedTcpEndPoint?.Certificate?.Password))
{
certificateCredentials = new MqttServerCertificateCredentials
{
Password = _settings.EncryptedTcpEndPoint.Certificate.Password
};
}
options.WithEncryptionCertificate(_settings.EncryptedTcpEndPoint.Certificate.ReadCertificate(), certificateCredentials);
}
if (_settings.EncryptedTcpEndPoint.TryReadIPv4(out var address4))
{
options.WithEncryptedEndpointBoundIPAddress(address4);
}
if (_settings.EncryptedTcpEndPoint.TryReadIPv6(out var address6))
{
options.WithEncryptedEndpointBoundIPV6Address(address6);
}
if (_settings.EncryptedTcpEndPoint.Port > 0)
{
options.WithEncryptedEndpointPort(_settings.EncryptedTcpEndPoint.Port);
_logger.LogInformation($"MQTT Broker {_settings.BrokerName} listening on SSL port {_settings.TcpEndPoint.Port}");
}
}
else
{
options.WithoutEncryptedEndpoint();
}
if (_settings.ConnectionBacklog > 0)
{
options.WithConnectionBacklog(_settings.ConnectionBacklog);
}
if (_settings.EnablePersistentSessions)
{
options.WithPersistentSessions();
}
return(options.Build());
}
