/// <summary>
/// Create sdk factory
/// </summary>
/// <param name="config"></param>
/// <param name="broker"></param>
/// <param name="logger"></param>
public IoTSdkFactory(IModuleConfig config, IEventSourceBroker broker, ILogger logger)
{
_logger = logger ?? throw new ArgumentNullException(nameof(logger));
if (broker != null)
{
_logHook = broker.Subscribe(IoTSdkLogger.EventSource, new IoTSdkLogger(logger));
}
// The runtime injects this as an environment variable
var deviceId = Environment.GetEnvironmentVariable("IOTEDGE_DEVICEID");
var moduleId = Environment.GetEnvironmentVariable("IOTEDGE_MODULEID");
var ehubHost = Environment.GetEnvironmentVariable("IOTEDGE_GATEWAYHOSTNAME");
try {
if (!string.IsNullOrEmpty(config.EdgeHubConnectionString))
{
_cs = IotHubConnectionStringBuilder.Create(config.EdgeHubConnectionString);
if (string.IsNullOrEmpty(_cs.SharedAccessKey))
{
throw new InvalidConfigurationException(
"Connection string is missing shared access key.");
}
if (string.IsNullOrEmpty(_cs.DeviceId))
{
throw new InvalidConfigurationException(
"Connection string is missing device id.");
}
deviceId = _cs.DeviceId;
moduleId = _cs.ModuleId;
ehubHost = _cs.GatewayHostName ?? ehubHost;
if (string.IsNullOrWhiteSpace(_cs.GatewayHostName) && !string.IsNullOrWhiteSpace(ehubHost))
{
_cs = IotHubConnectionStringBuilder.Create(
config.EdgeHubConnectionString + ";GatewayHostName=" + ehubHost);
}
}
}
catch (Exception e) {
_logger.Error(e, "Bad configuration value in EdgeHubConnectionString config.");
}
ModuleId = moduleId;
DeviceId = deviceId;
Gateway = ehubHost;
if (string.IsNullOrEmpty(DeviceId))
{
var ex = new InvalidConfigurationException(
"If you are running outside of an IoT Edge context or in EdgeHubDev mode, then the " +
"host configuration is incomplete and missing the EdgeHubConnectionString setting." +
"You can run the module using the command line interface or in IoT Edge context, or " +
"manually set the 'EdgeHubConnectionString' environment variable.");
_logger.Error(ex, "The Twin module was not configured correctly.");
throw ex;
}
_bypassCertValidation = config.BypassCertVerification;
if (!_bypassCertValidation)
{
var certPath = Environment.GetEnvironmentVariable("EdgeModuleCACertificateFile");
if (!string.IsNullOrWhiteSpace(certPath))
{
InstallCert(certPath);
}
else if (!string.IsNullOrEmpty(ehubHost))
{
_bypassCertValidation = true;
}
}
if (!string.IsNullOrEmpty(ehubHost))
{
// Running in edge mode
// the configured transport (if provided) will be forced to it's OverTcp
// variant as follows: AmqpOverTcp when Amqp, AmqpOverWebsocket or AmqpOverTcp specified
// and MqttOverTcp otherwise. Default is MqttOverTcp
if ((config.Transport & TransportOption.Mqtt) != 0)
{
// prefer Mqtt over Amqp due to performance reasons
_transport = TransportOption.MqttOverTcp;
}
else
{
_transport = TransportOption.AmqpOverTcp;
}
_logger.Information("Connecting all clients to {edgeHub} using {transport}.",
ehubHost, _transport);
}
else
{
_transport = config.Transport;
}
_timeout = TimeSpan.FromMinutes(5);
}
/// <summary>
/// Create sdk factory
/// </summary>
/// <param name="config"></param>
/// <param name="broker"></param>
/// <param name="logger"></param>
public IoTSdkFactory(IModuleConfig config, IEventSourceBroker broker, ILogger logger)
{
_logger = logger ?? throw new ArgumentNullException(nameof(logger));
if (broker != null)
{
_logHook = broker.Subscribe(IoTSdkLogger.EventSource, new IoTSdkLogger(logger));
}
// The runtime injects this as an environment variable
var deviceId = Environment.GetEnvironmentVariable("IOTEDGE_DEVICEID");
var moduleId = Environment.GetEnvironmentVariable("IOTEDGE_MODULEID");
var ehubHost = Environment.GetEnvironmentVariable("IOTEDGE_GATEWAYHOSTNAME");
try {
if (!string.IsNullOrEmpty(config.EdgeHubConnectionString))
{
_cs = IotHubConnectionStringBuilder.Create(config.EdgeHubConnectionString);
if (string.IsNullOrEmpty(_cs.SharedAccessKey))
{
throw new InvalidConfigurationException(
"Connection string is missing shared access key.");
}
if (string.IsNullOrEmpty(_cs.DeviceId))
{
throw new InvalidConfigurationException(
"Connection string is missing device id.");
}
deviceId = _cs.DeviceId;
moduleId = _cs.ModuleId;
ehubHost = _cs.GatewayHostName;
}
}
catch (Exception e) {
_logger.Error(e, "Bad configuration value in EdgeHubConnectionString config.");
}
ModuleId = moduleId;
DeviceId = deviceId;
if (string.IsNullOrEmpty(DeviceId))
{
var ex = new InvalidConfigurationException(
"If you are running outside of an IoT Edge context or in EdgeHubDev mode, then the " +
"host configuration is incomplete and missing the EdgeHubConnectionString setting." +
"You can run the module using the command line interface or in IoT Edge context, or " +
"manually set the 'EdgeHubConnectionString' environment variable.");
_logger.Error(ex, "The Twin module was not configured correctly.");
throw ex;
}
_bypassCertValidation = config.BypassCertVerification;
if (!_bypassCertValidation)
{
var certPath = Environment.GetEnvironmentVariable("EdgeModuleCACertificateFile");
if (!string.IsNullOrWhiteSpace(certPath))
{
InstallCert(certPath);
}
}
if (_bypassCertValidation)
{
// Running in debug mode - can only use mqtt over tcp
_transport = TransportOption.MqttOverTcp;
}
else
{
_transport = config.Transport;
}
_timeout = TimeSpan.FromMinutes(5);
}