private static void ConnectionStatusChangedCallback(ConnectionStatus status, ConnectionStatusChangeReason reason)
{
SimpleLogger.Debug($"Client connection Status: {status}, reason: {reason}");
if (status != ConnectionStatus.Connected && LocalIoTHubConfiguration.Authentication.Identity == AuthenticationMethodProvider.AuthenticationIdentity.DPS)
{
SimpleLogger.Debug($"Client disconnected, trying to reprovision");
var threeStageBackoff = new ThreeStageBackoff(10, TimeSpan.FromSeconds(1), 10, TimeSpan.FromMinutes(1), TimeSpan.FromMinutes(10));
Retry.Do(() =>
{
_client.ReInit(AuthenticationMethodProvider.GetNewModuleConnectionString(), LocalIoTHubConfiguration.IotInterface.TransportType);
_client.OpenAsync().Wait();
}, threeStageBackoff);
_client.SetConnectionStatusChangesHandler(ConnectionStatusChangedCallback);
}
}
/// <summary>
/// If a ModuleClient configuration is specified,
/// creates a module client from the configuration,
/// Otherwise creates a ModuleClientWrapper which delegates to the IoT sdk's ModuleClient.
/// according to the LocalConfiguration.ClientConnectionString
/// </summary>
/// <returns>A new instance of IModuleClient</returns>
private static IModuleClient CreateClient()
{
NameValueCollection agentConfig = (NameValueCollection)ConfigurationManager.GetSection("General");
var moduleClientDll = agentConfig["ModuleClientDll"];
var moduleClientTypeName = agentConfig["ModuleClientFullName"];
if (!string.IsNullOrEmpty(moduleClientDll) && !string.IsNullOrEmpty(moduleClientTypeName))
{
Assembly assembly = Assembly.LoadFrom(Path.GetFullPath(moduleClientDll));
Type type = assembly.GetType(moduleClientTypeName);
return((IModuleClient)Activator.CreateInstance(type));
}
return(new ModuleClientWrapper(ModuleClient.CreateFromConnectionString(
AuthenticationMethodProvider.GetModuleConnectionString(),
LocalIoTHubConfiguration.IotInterface.TransportType)));
}
