/// <summary>
/// Create module, throws if configuration is bad
/// </summary>
public void Create(Broker broker, byte[] configuration)
{
Trace("Opc.Ua.Publisher.Module: Creating...");
m_broker = broker;
string configString = Encoding.UTF8.GetString(configuration);
// Deserialize from configuration string
ModuleConfiguration moduleConfiguration = null;
try
{
moduleConfiguration = JsonConvert.DeserializeObject <ModuleConfiguration>(configString);
}
catch (Exception ex)
{
Trace("Opc.Ua.Publisher.Module: Module config string " + configString + " could not be deserialized: " + ex.Message);
throw;
}
m_configuration = moduleConfiguration.Configuration;
m_configuration.CertificateValidator.CertificateValidation += new CertificateValidationEventHandler(CertificateValidator_CertificateValidation);
// update log configuration, if available
if (!string.IsNullOrEmpty(Environment.GetEnvironmentVariable("_GW_LOGP")))
{
m_configuration.TraceConfiguration.OutputFilePath = Environment.GetEnvironmentVariable("_GW_LOGP");
m_configuration.TraceConfiguration.ApplySettings();
}
// get a list of persisted endpoint URLs and create a session for each.
try
{
// check if we have an env variable specifying the published nodes path, otherwise use current directory
string publishedNodesFilePath = Directory.GetCurrentDirectory() + Path.DirectorySeparatorChar + "publishednodes.json";
if (!string.IsNullOrEmpty(Environment.GetEnvironmentVariable("_GW_PNFP")))
{
publishedNodesFilePath = Environment.GetEnvironmentVariable("_GW_PNFP");
}
Trace("Opc.Ua.Publisher.Module: Attemping to load nodes file from: " + publishedNodesFilePath);
m_nodesLookups = JsonConvert.DeserializeObject <PublishedNodesCollection>(File.ReadAllText(publishedNodesFilePath));
Trace("Opc.Ua.Publisher.Module: Loaded " + m_nodesLookups.Count.ToString() + " nodes.");
}
catch (Exception ex)
{
Trace("Opc.Ua.Publisher.Module: Nodes file loading failed with: " + ex.Message);
}
foreach (NodeLookup nodeLookup in m_nodesLookups)
{
if (!m_endpointUrls.Contains(nodeLookup.EndPointURL))
{
m_endpointUrls.Add(nodeLookup.EndPointURL);
}
}
// start the server
try
{
Trace("Opc.Ua.Publisher.Module: Starting server on endpoint " + m_configuration.ServerConfiguration.BaseAddresses[0].ToString() + "...");
m_server.Start(m_configuration);
Trace("Opc.Ua.Publisher.Module: Server started.");
}
catch (Exception ex)
{
Trace("Opc.Ua.Publisher.Module: Starting server failed with: " + ex.Message);
}
// check if we have an environment variable to register ourselves with IoT Hub
if (!string.IsNullOrEmpty(Environment.GetEnvironmentVariable("_HUB_CS")))
{
string ownerConnectionString = Environment.GetEnvironmentVariable("_HUB_CS");
if ((m_configuration != null) && (!string.IsNullOrEmpty(m_configuration.ApplicationName)))
{
Trace("Attemping to register ourselves with IoT Hub using owner connection string: " + ownerConnectionString);
string deviceConnectionString = IoTHubRegistration.RegisterDeviceWithIoTHub(m_configuration.ApplicationName, ownerConnectionString);
if (!string.IsNullOrEmpty(deviceConnectionString))
{
SecureIoTHubToken.Write(m_configuration.ApplicationName, deviceConnectionString);
}
else
{
Trace("Could not register ourselves with IoT Hub using owner connection string: " + ownerConnectionString);
}
}
}
// try to configure our publisher component
TryConfigurePublisherAsync().Wait();
// connect to servers
Trace("Opc.Ua.Publisher.Module: Attemping to connect to servers...");
try
{
List <Task> connectionAttempts = new List <Task>();
foreach (Uri endpointUrl in m_endpointUrls)
{
Trace("Opc.Ua.Publisher.Module: Connecting to server: " + endpointUrl);
connectionAttempts.Add(EndpointConnect(endpointUrl));
}
// Wait for all sessions to be connected
Task.WaitAll(connectionAttempts.ToArray());
}
catch (Exception ex)
{
Trace("Opc.Ua.Publisher.Module: Exception: " + ex.ToString() + "\r\n" + ex.InnerException != null ? ex.InnerException.ToString() : null);
}
Trace("Opc.Ua.Publisher.Module: Created.");
}
public static void Main(string[] args)
{
// check for OSX, which we don't support
if (RuntimeInformation.IsOSPlatform(OSPlatform.OSX))
{
throw new NotSupportedException("OSX is not supported by the Gateway App on .Net Core");
}
// patch IoT Hub module DLL name
string gatewayConfigFile = "gatewayconfig.json";
if (RuntimeInformation.IsOSPlatform(OSPlatform.Linux))
{
Console.WriteLine("Target system is Linux.");
File.WriteAllText(gatewayConfigFile, File.ReadAllText(gatewayConfigFile).Replace("iothub.dll", "libiothub.so"));
}
else
{
Console.WriteLine("Target system is Windows.");
File.WriteAllText(gatewayConfigFile, File.ReadAllText(gatewayConfigFile).Replace("libiothub.so", "iothub.dll"));
}
// print target system info
if (IsX64Process())
{
Console.WriteLine("Target system is 64-bit.");
}
else
{
Console.WriteLine("Target system is 32-bit.");
throw new Exception("32-bit systems are currently not supported due to https://github.com/Azure/azure-iot-gateway-sdk/releases#known-issues");
}
// make sure our gateway runtime DLLs are in the current directory
string runtimesFolder = GetPathToRuntimesFolder(Directory.GetCurrentDirectory());
if (string.IsNullOrEmpty(runtimesFolder))
{
throw new Exception("Runtimes folder not found. Please make sure you have published the gateway app!");
}
// we always copy them across, overwriting existing ones, to make sure we have the right ones
string pathToNativeGatewayModules = runtimesFolder + Path.DirectorySeparatorChar + GetRuntimeID() + Path.DirectorySeparatorChar + "native";
List <string> filePaths = new List <string>(Directory.EnumerateFiles(pathToNativeGatewayModules));
foreach (string sourcefilePath in filePaths)
{
string destinationFilePath = Directory.GetCurrentDirectory() + Path.DirectorySeparatorChar + Path.GetFileName(sourcefilePath);
File.Copy(sourcefilePath, destinationFilePath, true);
}
// check if we got command line arguments to patch our gateway config file and register ourselves with IoT Hub
if ((args.Length > 0) && !string.IsNullOrEmpty(args[0]))
{
string applicationName = args[0];
File.WriteAllText(gatewayConfigFile, File.ReadAllText(gatewayConfigFile).Replace("<ReplaceWithYourApplicationName>", applicationName));
Console.WriteLine("Gateway config file patched with application name: " + applicationName);
// check if we also received an owner connection string to register ourselves with IoT Hub
if ((args.Length > 1) && !string.IsNullOrEmpty(args[1]))
{
string ownerConnectionString = args[1];
Console.WriteLine("Attemping to register ourselves with IoT Hub using owner connection string: " + ownerConnectionString);
string deviceConnectionString = IoTHubRegistration.RegisterDeviceWithIoTHub(applicationName, ownerConnectionString);
if (!string.IsNullOrEmpty(deviceConnectionString))
{
SecureIoTHubToken.Write(applicationName, deviceConnectionString);
}
else
{
Console.WriteLine("Could not register ourselves with IoT Hub using owner connection string: " + ownerConnectionString);
}
}
else
{
Console.WriteLine("IoT Hub owner connection string not passed as argument, registration with IoT Hub abandoned.");
}
// try to read connection string from secure store and patch gateway config file
Console.WriteLine("Attemping to read connection string from secure store with certificate name: " + applicationName);
string connectionString = SecureIoTHubToken.Read(applicationName);
if (!string.IsNullOrEmpty(connectionString))
{
Console.WriteLine("Attemping to configure publisher with connection string: " + connectionString);
string[] parsedConnectionString = IoTHubRegistration.ParseConnectionString(connectionString, true);
if ((parsedConnectionString != null) && (parsedConnectionString.Length == 3))
{
string _IoTHubName = parsedConnectionString[0];
if (_IoTHubName.Contains("."))
{
_IoTHubName = _IoTHubName.Substring(0, _IoTHubName.IndexOf('.'));
}
File.WriteAllText(gatewayConfigFile, File.ReadAllText(gatewayConfigFile).Replace("<ReplaceWithYourIoTHubName>", _IoTHubName));
Console.WriteLine("Gateway config file patched with IoT Hub name: " + _IoTHubName);
}
else
{
throw new Exception("Could not parse persisted device connection string!");
}
}
else
{
Console.WriteLine("Device connection string not found in secure store.");
}
}
else
{
Console.WriteLine("Application name not passed as argument, patching gateway config file abandoned");
}
IntPtr gateway = GatewayInterop.CreateFromJson(gatewayConfigFile);
if (gateway != IntPtr.Zero)
{
Console.WriteLine(".NET Core Gateway is running. Press enter to quit.");
Console.ReadLine();
GatewayInterop.Destroy(gateway);
}
else
{
Console.WriteLine(".NET Core Gateway failed to initialize.");
}
}
public static void Main(string[] args)
{
// check for OSX, which we don't support
if (RuntimeInformation.IsOSPlatform(OSPlatform.OSX))
{
throw new NotSupportedException("OSX is not supported by the Gateway App on .Net Core");
}
// patch IoT Hub module DLL name
string gatewayConfigFile = "gatewayconfig.json";
if (RuntimeInformation.IsOSPlatform(OSPlatform.Linux))
{
Console.WriteLine("Target system is Linux.");
File.WriteAllText(gatewayConfigFile, File.ReadAllText(gatewayConfigFile).Replace("iothub.dll", "libiothub.so"));
}
else
{
Console.WriteLine("Target system is Windows.");
File.WriteAllText(gatewayConfigFile, File.ReadAllText(gatewayConfigFile).Replace("libiothub.so", "iothub.dll"));
}
Console.WriteLine(RuntimeInformation.OSDescription);
// print target system info
if (IsX64Process())
{
Console.WriteLine("Target system is 64-bit.");
}
else
{
Console.WriteLine("Target system is 32-bit.");
throw new Exception("32-bit systems are currently not supported.");
}
// check if we got command line arguments to patch our gateway config file and register ourselves with IoT Hub
if ((args.Length > 0) && !string.IsNullOrEmpty(args[0]))
{
string applicationName = args[0];
File.WriteAllText(gatewayConfigFile, File.ReadAllText(gatewayConfigFile).Replace("<ReplaceWithYourApplicationName>", applicationName));
Console.WriteLine("Gateway config file patched with application name: " + applicationName);
// check if we also received an owner connection string to register ourselves with IoT Hub
if ((args.Length > 1) && !string.IsNullOrEmpty(args[1]))
{
string ownerConnectionString = args[1];
Console.WriteLine("Attemping to register ourselves with IoT Hub using owner connection string: " + ownerConnectionString);
string deviceConnectionString = IoTHubRegistration.RegisterDeviceWithIoTHub(applicationName, ownerConnectionString);
if (!string.IsNullOrEmpty(deviceConnectionString))
{
SecureIoTHubToken.Write(applicationName, deviceConnectionString);
}
else
{
Console.WriteLine("Could not register ourselves with IoT Hub using owner connection string: " + ownerConnectionString);
}
}
else
{
Console.WriteLine("IoT Hub owner connection string not passed as argument, registration with IoT Hub abandoned.");
}
// try to read connection string from secure store and patch gateway config file
Console.WriteLine("Attemping to read connection string from secure store with certificate name: " + applicationName);
string connectionString = SecureIoTHubToken.Read(applicationName);
if (!string.IsNullOrEmpty(connectionString))
{
Console.WriteLine("Attemping to configure publisher with connection string: " + connectionString);
string[] parsedConnectionString = IoTHubRegistration.ParseConnectionString(connectionString, true);
if ((parsedConnectionString != null) && (parsedConnectionString.Length == 3))
{
string _IoTHubName = parsedConnectionString[0];
if (_IoTHubName.Contains("."))
{
_IoTHubName = _IoTHubName.Substring(0, _IoTHubName.IndexOf('.'));
}
File.WriteAllText(gatewayConfigFile, File.ReadAllText(gatewayConfigFile).Replace("<ReplaceWithYourIoTHubName>", _IoTHubName));
Console.WriteLine("Gateway config file patched with IoT Hub name: " + _IoTHubName);
}
else
{
throw new Exception("Could not parse persisted device connection string!");
}
}
else
{
Console.WriteLine("Device connection string not found in secure store.");
}
}
else
{
Console.WriteLine("Application name not passed as argument, patching gateway config file abandoned");
}
IntPtr gateway = GatewayInterop.CreateFromJson(gatewayConfigFile);
if (gateway != IntPtr.Zero)
{
Console.WriteLine(".NET Core Gateway is running. Press enter to quit.");
Console.ReadLine();
GatewayInterop.Destroy(gateway);
}
else
{
Console.WriteLine(".NET Core Gateway failed to initialize. Please make sure you have published the GatewayApp.NetCore app to make sure the depend DLLs are available!");
}
}
