async Task EnsureServerInitializedAsync()
{
if (this.ServerAddress != null)
{
return;
}
int threadCount = Environment.ProcessorCount;
var executorGroup = new MultithreadEventLoopGroup(threadCount);
BlobSessionStatePersistenceProvider sessionStateProvider = await BlobSessionStatePersistenceProvider.CreateAsync(
this.settingsProvider.GetSetting("BlobSessionStatePersistenceProvider.StorageConnectionString"),
this.settingsProvider.GetSetting("BlobSessionStatePersistenceProvider.StorageContainerName"));
TableQos2StatePersistenceProvider qos2StateProvider = await TableQos2StatePersistenceProvider.CreateAsync(
this.settingsProvider.GetSetting("TableQos2StatePersistenceProvider.StorageConnectionString"),
this.settingsProvider.GetSetting("TableQos2StatePersistenceProvider.StorageTableName"));
var settings = new Settings(this.settingsProvider);
var iotHubClientSettings = new IotHubClientSettings(this.settingsProvider);
var authProvider = new SasTokenDeviceIdentityProvider();
var topicNameRouter = new ConfigurableMessageAddressConverter();
var iotHubClientFactory = IotHubClient.PreparePoolFactory(iotHubClientSettings.IotHubConnectionString, 400, TimeSpan.FromMinutes(5),
iotHubClientSettings, PooledByteBufferAllocator.Default, topicNameRouter);
MessagingBridgeFactoryFunc bridgeFactory = async identity => new SingleClientMessagingBridge(identity, await iotHubClientFactory(identity));
ServerBootstrap server = new ServerBootstrap()
.Group(executorGroup)
.Channel <TcpServerSocketChannel>()
.ChildOption(ChannelOption.Allocator, PooledByteBufferAllocator.Default)
.ChildOption(ChannelOption.AutoRead, false)
.ChildHandler(new ActionChannelInitializer <IChannel>(ch =>
{
ch.Pipeline.AddLast(TlsHandler.Server(this.tlsCertificate));
ch.Pipeline.AddLast(
MqttEncoder.Instance,
new MqttDecoder(true, 256 * 1024),
new LoggingHandler("SERVER"),
new MqttAdapter(
settings,
sessionStateProvider,
authProvider,
qos2StateProvider,
bridgeFactory),
new XUnitLoggingHandler(this.output));
}));
IChannel serverChannel = await server.BindAsync(IPAddress.Any, this.ProtocolGatewayPort);
this.ScheduleCleanup(async() =>
{
await serverChannel.CloseAsync();
await executorGroup.ShutdownGracefullyAsync();
});
this.ServerAddress = IPAddress.Loopback;
}
ServerBootstrap SetupBootstrap()
{
return(new ServerBootstrap()
.Group(this.parentEventLoopGroup, this.eventLoopGroup)
.Option(ChannelOption.SoBacklog, ListenBacklogSize)
.ChildOption(ChannelOption.Allocator, PooledByteBufferAllocator.Default)
.ChildOption(ChannelOption.AutoRead, true)
.Channel <TcpServerSocketChannel>()
.ChildHandler(new ActionChannelInitializer <ISocketChannel>(channel =>
{
var messagingAddressConverter = new ConfigurableMessageAddressConverter();
channel.Pipeline.AddLast(DataBasedTenancyHandler.HandlerName, new DataBasedTenancyHandler(settingsProvider));
channel.Pipeline.AddLast(DeviceTopicDecoder.HandlerName, new DeviceTopicDecoder(this.credentialProvider, messagingAddressConverter.TopicTemplates));
channel.Pipeline.AddLast(SocketIoTHubAdapter.HandlerName, new SocketIoTHubAdapter(this.settings, credentialProvider, this.authProvider));
})));
}
ServerBootstrap SetupBootstrap()
{
return(new ServerBootstrap()
.Group(this.parentEventLoopGroup, this.eventLoopGroup)
.Option(ChannelOption.SoBacklog, ListenBacklogSize)
.ChildOption(ChannelOption.Allocator, PooledByteBufferAllocator.Default)
.ChildOption(ChannelOption.AutoRead, true)
.Channel <TcpServerSocketChannel>()
.ChildHandler(new ActionChannelInitializer <ISocketChannel>(channel =>
{
if (this.tlsCertificate != null)
{
var tlsSettings = new ServerTlsSettings(this.tlsCertificate, true, true, System.Security.Authentication.SslProtocols.Tls12);
var handler = new Tenancy.X509TlsTenancyHandler(tlsSettings, this.settingsProvider);
channel.Pipeline.AddLast("certTls", handler);
}
var messagingAddressConverter = new ConfigurableMessageAddressConverter();
channel.Pipeline.AddLast(DeviceTopicDecoder.HandlerName, new DeviceTopicDecoder(this.credentialProvider, messagingAddressConverter.TopicTemplates));
channel.Pipeline.AddLast(SocketIoTHubAdapter.HandlerName, new SocketIoTHubAdapter(this.settings, credentialProvider, this.authProvider));
})));
}
