private void AttachToMessageBus()
{
var filter = new WirehomeDictionary()
.WithValue("type", "component_registry.event.status_changed");
_messageBusService.Subscribe("history_receiver", filter, OnComponentStatusChanged);
}
public string Subscribe(string uid, WirehomeDictionary filter, Action <MessageBusMessage> callback)
{
if (filter == null)
{
throw new ArgumentNullException(nameof(filter));
}
if (callback == null)
{
throw new ArgumentNullException(nameof(callback));
}
if (string.IsNullOrEmpty(uid))
{
uid = Guid.NewGuid().ToString("D");
}
var subscriber = new MessageBusSubscriber(uid, filter, callback, _logger);
lock (_subscribers)
{
_subscribers[uid] = subscriber;
}
return(uid);
}
private ServiceInstance CreateServiceInstance(string id, ServiceConfiguration configuration)
{
var packageUid = new PackageUid(id, configuration.Version);
var package = _repositoryService.LoadPackage(packageUid);
var scriptHost = _pythonScriptHostFactoryService.CreateScriptHost(_logger);
scriptHost.Compile(package.Script);
var context = new WirehomeDictionary
{
["service_id"] = id,
["service_version"] = configuration.Version,
["service_uid"] = new PackageUid(id, configuration.Version).ToString()
};
scriptHost.AddToWirehomeWrapper("context", context);
var serviceInstance = new ServiceInstance(id, configuration, scriptHost);
if (configuration.Variables != null)
{
foreach (var variable in configuration.Variables)
{
serviceInstance.SetVariable(variable.Key, variable.Value);
}
}
return(serviceInstance);
}
public WirehomeDictionary PostProcessMessage(string uid, [FromBody] WirehomeDictionary message)
{
var result = _componentRegistryService.ProcessComponentMessage(uid, message);
result["component"] = _componentRegistryService.GetComponent(uid);
return(result);
}
private CloudMessage InvokeRawRequest(CloudMessage requestMessage)
{
try
{
WirehomeDictionary responseContent;
var requestContent = requestMessage.GetContent <JToken>();
// TODO: Refactor this and build converter for JSON to WirehomeDictionary and WirehomeList
if (!(PythonConvert.ToPython(requestContent) is PythonDictionary parameters))
{
responseContent = new WirehomeDictionary().WithType(ControlType.ParameterInvalidException);
}
else
{
if (!_messageHandlers.TryGetValue(parameters.GetValueOr("type", string.Empty), out var messageHandler))
{
responseContent = new WirehomeDictionary().WithType(ControlType.NotSupportedException);
}
else
{
responseContent = messageHandler.Invoke(parameters);
}
}
var responseMessage = new CloudMessage();
responseMessage.SetContent(responseContent);
return(responseMessage);
}
public WirehomeDictionary InvokeFunction(string uid, WirehomeDictionary parameters)
{
if (uid == null)
{
throw new ArgumentNullException(nameof(uid));
}
Func <WirehomeDictionary, WirehomeDictionary> function;
lock (_functions)
{
if (!_functions.TryGetValue(uid, out function))
{
throw new NotSupportedException();
}
}
try
{
return(function(parameters ?? new WirehomeDictionary()));
}
catch (Exception exception)
{
return(new WirehomeDictionary()
.WithType(ControlType.Exception)
.WithValue("exception.type", exception.GetType().Name)
.WithValue("exception.message", exception.Message)
.WithValue("exception.stack_trace", exception.StackTrace));
}
}
private CloudMessage InvokeRawRequest(CloudMessage requestMessage)
{
try
{
object content;
// TODO: Refactor this and build converter for JSON to WirehomeDictionary and WirehomeList
if (!(PythonConvert.ToPython(requestMessage.Content) is PythonDictionary parameters))
{
content = new WirehomeDictionary().WithType(ControlType.ParameterInvalidException);
}
else
{
if (!_messageHandlers.TryGetValue(parameters.GetValueOr("type", string.Empty), out var messageHandler))
{
content = new WirehomeDictionary().WithType(ControlType.NotSupportedException);
}
else
{
content = messageHandler.Invoke(parameters);
}
}
return(_messageFactory.CreateResponseMessage(requestMessage, content));
}
public void InitializeComponent(Component component, ComponentConfiguration configuration)
{
if (component == null)
{
throw new ArgumentNullException(nameof(component));
}
if (configuration == null)
{
throw new ArgumentNullException(nameof(configuration));
}
var context = new WirehomeDictionary
{
["component_uid"] = component.Uid
};
if (!string.IsNullOrEmpty(configuration.Script))
{
// Having a script in place always overrides the logic and adapter configuration.
SetupComponentBasedOnScript(component, configuration, context);
return;
}
SetupComponentBasedOnPackages(component, configuration, context);
}
public WirehomeDictionary ProcessComponentMessage(string componentUid, WirehomeDictionary message)
{
if (componentUid == null)
{
throw new ArgumentNullException(nameof(componentUid));
}
if (message == null)
{
throw new ArgumentNullException(nameof(message));
}
Component component;
lock (_components)
{
if (!_components.TryGetValue(componentUid, out component))
{
return(new WirehomeDictionary()
.WithValue("type", ControlType.ParameterInvalidException)
.WithValue("parameter_name", nameof(componentUid))
.WithValue("parameter_value", componentUid));
}
}
return(component.ProcessMessage(message));
}
public static object FromJson(JToken json)
{
if (json == null)
{
return(null);
}
if (json is JObject jsonObject)
{
var dictionary = new WirehomeDictionary();
foreach (var property in jsonObject.Properties())
{
dictionary[property.Name] = FromJson(property.Value);
}
return(dictionary);
}
if (json is JArray jsonArray)
{
var list = new List <object>();
foreach (var item in jsonArray)
{
list.Add(FromJson(item));
}
}
return(json.ToObject <object>());
}
public async Task <WirehomeDictionary> PublishRequestAsync(WirehomeDictionary message, TimeSpan timeout)
{
if (message == null)
{
throw new ArgumentNullException(nameof(message));
}
var request = new MessageBusMessage
{
Message = message
};
var responseSubscriber = new MessageBusResponseSubscriber();
try
{
_responseSubscribers.TryAdd(request.Uid, responseSubscriber);
Publish(request);
using (var timeoutCts = new CancellationTokenSource(timeout))
{
await Task.Run(() => responseSubscriber.Task, timeoutCts.Token).ConfigureAwait(false);
return(responseSubscriber.Task.Result.Message);
}
}
finally
{
_responseSubscribers.TryRemove(request.Uid, out _);
}
}
public void Set_Type()
{
var dictionary = new WirehomeDictionary().WithValue("type", "myTestType");
Assert.AreEqual(1, dictionary.Keys.Count);
Assert.AreEqual("myTestType", dictionary["type"]);
}
public void SetValue(string uid, object value)
{
if (uid == null)
{
throw new ArgumentNullException(nameof(uid));
}
object oldValue;
lock (_variables)
{
if (_variables.TryGetValue(uid, out oldValue))
{
if (Equals(oldValue, value))
{
return;
}
}
_variables[uid] = value;
Save();
}
var busMessage = new WirehomeDictionary()
.WithValue("type", "global_variables.event.value_set")
.WithValue("uid", uid)
.WithValue("old_value", oldValue)
.WithValue("new_value", value);
_logger.LogInformation("Global variable '{0}' changed to '{1}'.", uid, value);
_messageBusService.Publish(busMessage);
}
public MessageBusSubscriber(string uid, WirehomeDictionary filter, Action <MessageBusMessage> callback, ILogger logger)
{
Uid = uid ?? throw new ArgumentNullException(nameof(uid));
Filter = filter ?? throw new ArgumentNullException(nameof(filter));
_callback = callback ?? throw new ArgumentNullException(nameof(callback));
_logger = logger ?? throw new ArgumentNullException(nameof(logger));
}
private AutomationInstance CreateAutomation(string uid, AutomationConfiguration configuration, WirehomeDictionary settings)
{
var repositoryEntitySource = _repositoryService.LoadEntity(configuration.Logic.Uid);
var scriptHost = _pythonScriptHostFactoryService.CreateScriptHost(_logger, new AutomationPythonProxy(uid, this));
scriptHost.Initialize(repositoryEntitySource.Script);
var context = new WirehomeDictionary
{
["automation_uid"] = uid,
["logic_id"] = configuration.Logic.Uid.Id,
["logic_version"] = configuration.Logic.Uid.Version
};
// TODO: Remove scope as soon as all automations are migrated.
scriptHost.SetVariable("scope", context);
scriptHost.SetVariable("context", context);
foreach (var variable in configuration.Logic.Variables)
{
scriptHost.SetVariable(variable.Key, variable.Value);
}
var automation = new AutomationInstance(uid, scriptHost);
foreach (var setting in settings)
{
automation.Settings[setting.Key] = setting.Value;
}
return(automation);
}
public void InitializeComponent(string uid)
{
if (uid == null)
{
throw new ArgumentNullException(nameof(uid));
}
try
{
if (!_storageService.TryRead(out ComponentConfiguration configuration, ComponentsDirectory, uid, DefaultFilenames.Configuration))
{
throw new ComponentNotFoundException(uid);
}
if (!configuration.IsEnabled)
{
_logger.LogInformation($"Component '{uid}' not initialized because it is disabled.");
return;
}
if (!_storageService.TryRead(out WirehomeDictionary settings, ComponentsDirectory, uid,
DefaultFilenames.Settings))
{
settings = new WirehomeDictionary();
}
var component = new Component(uid);
foreach (var setting in settings)
{
component.Settings[setting.Key] = setting.Value;
}
lock (_components)
{
if (_components.TryGetValue(uid, out var existingComponent))
{
existingComponent.ProcessMessage(new WirehomeDictionary().WithType(ControlType.Destroy));
}
_components[uid] = component;
}
_componentInitializerService.Create(this).InitializeComponent(component, configuration);
component.ProcessMessage(new WirehomeDictionary().WithType(ControlType.Initialize));
_logger.LogInformation($"Component '{component.Uid}' initialized successfully.");
}
catch
{
lock (_components)
{
_components.Remove(uid, out _);
}
throw;
}
}
private void InitializeLogic(Component component, ComponentLogicConfiguration configuration)
{
var scope = new WirehomeDictionary
{
["component_uid"] = component.Uid
};
var adapterEntity = _repositoryService.LoadEntity(configuration.Adapter.Uid);
var adapter = new ScriptComponentAdapter(_pythonEngineService, _componentRegistryService, _loggerFactory);
adapter.Initialize(component.Uid, adapterEntity.Script);
if (configuration.Adapter.Variables != null)
{
foreach (var parameter in configuration.Adapter.Variables)
{
adapter.SetVariable(parameter.Key, parameter.Value);
}
}
scope["adapter_uid"] = adapterEntity.Uid.ToString();
scope["adapter_id"] = adapterEntity.Uid.Id;
scope["adapter_version"] = adapterEntity.Uid.Version;
if (string.IsNullOrEmpty(configuration.Uid?.Id))
{
component.SetLogic(new EmptyLogic(adapter));
}
else
{
var logicEntity = _repositoryService.LoadEntity(configuration.Uid);
var logic = new ScriptComponentLogic(_pythonEngineService, _componentRegistryService, _loggerFactory);
adapter.MessagePublishedCallback = message => logic.ProcessAdapterMessage(message);
logic.AdapterMessagePublishedCallback = message => adapter.ProcessMessage(message);
logic.Initialize(component.Uid, logicEntity.Script);
if (configuration.Variables != null)
{
foreach (var parameter in configuration.Variables)
{
logic.SetVariable(parameter.Key, parameter.Value);
}
}
scope["logic_uid"] = logicEntity.Uid.ToString();
scope["logic_id"] = logicEntity.Uid.Id;
scope["logic_version"] = logicEntity.Uid.Version;
logic.SetVariable("scope", scope);
component.SetLogic(logic);
}
adapter.SetVariable("scope", scope);
}
public static WirehomeDictionary WithType(this WirehomeDictionary wirehomeDictionary, string type)
{
if (wirehomeDictionary == null)
{
throw new ArgumentNullException(nameof(wirehomeDictionary));
}
return(wirehomeDictionary.WithValue("type", type));
}
public WirehomeDictionary invoke(string uid, WirehomeDictionary parameters)
{
if (uid == null)
{
throw new ArgumentNullException(nameof(uid));
}
return(_functionPoolService.InvokeFunction(uid, parameters));
}
public WirehomeDictionary Invoke(WirehomeDictionary message)
{
if (message == null)
{
throw new ArgumentNullException(nameof(message));
}
return(_callback(message));
}
public void InitializeAutomation(string uid)
{
if (uid == null)
{
throw new ArgumentNullException(nameof(uid));
}
try
{
if (!_storageService.TryRead(out AutomationConfiguration configuration, AutomationsDirectory, uid, DefaultFilenames.Configuration))
{
throw new AutomationNotFoundException(uid);
}
if (!configuration.IsEnabled)
{
_logger.LogInformation($"Automation '{uid}' not initialized because it is disabled.");
return;
}
if (!_storageService.TryRead(out WirehomeDictionary settings, AutomationsDirectory, uid, DefaultFilenames.Settings))
{
settings = new WirehomeDictionary();
}
_logger.LogInformation($"Initializing automation '{uid}'.");
var automationInstance = CreateAutomation(uid, configuration, settings);
automationInstance.Initialize();
_logger.LogInformation($"Automation '{uid}' initialized.");
lock (_automations)
{
if (_automations.TryGetValue(uid, out var existingAutomation))
{
_logger.LogInformation($"Deactivating automation '{uid}'.");
existingAutomation.Deactivate();
_logger.LogInformation($"Automation '{uid}' deactivated.");
}
_automations[uid] = automationInstance;
_logger.LogInformation($"Activating automation '{uid}'.");
automationInstance.Activate();
_logger.LogInformation($"Automation '{uid}' activated.");
}
}
catch
{
lock (_automations)
{
_automations.Remove(uid);
}
throw;
}
}
public WirehomeDictionary ProcessMessage(WirehomeDictionary message)
{
if (message == null)
{
throw new ArgumentNullException(nameof(message));
}
ThrowIfLogicNotSet();
return(_logic.ProcessMessage(message));
}
public void InitializeAutomation(string uid, AutomationConfiguration configuration)
{
if (uid == null)
{
throw new ArgumentNullException(nameof(uid));
}
if (configuration == null)
{
throw new ArgumentNullException(nameof(configuration));
}
if (!configuration.IsEnabled)
{
_logger.Log(LogLevel.Information, $"Automation '{uid}' not initialized because it is disabled.");
return;
}
var repositoryEntitySource = _repositoryService.LoadEntity(configuration.Logic.Uid);
var scriptHost = _pythonEngineService.CreateScriptHost(_logger);
scriptHost.Initialize(repositoryEntitySource.Script);
var scope = new WirehomeDictionary
{
["automation_uid"] = uid,
["logic_id"] = configuration.Logic.Uid.Id,
["logic_version"] = configuration.Logic.Uid.Version
};
scriptHost.SetVariable("scope", scope);
foreach (var variable in configuration.Logic.Variables)
{
scriptHost.SetVariable(variable.Key, variable.Value);
}
var automationInstance = new Automation(scriptHost);
automationInstance.Initialize();
lock (_automations)
{
if (_automations.TryGetValue(uid, out var existingAutomationInstance))
{
existingAutomationInstance.Deactivate();
}
automationInstance.Activate();
_automations[uid] = automationInstance;
}
_logger.Log(LogLevel.Information, $"Automation '{uid}' initialized.");
}
public static bool IsMatch(WirehomeDictionary message, WirehomeDictionary filter)
{
if (message == null)
{
throw new ArgumentNullException(nameof(message));
}
if (filter == null)
{
throw new ArgumentNullException(nameof(filter));
}
foreach (var filterEntry in filter)
{
if (!message.TryGetValue(filterEntry.Key, out var propertyValue))
{
return(false);
}
var pattern = ConvertValueToString(filterEntry.Value);
var wildcard = "*".AsSpan();
if (pattern.Equals(wildcard, StringComparison.Ordinal))
{
continue;
}
var value = ConvertValueToString(propertyValue);
if (pattern.EndsWith(wildcard, StringComparison.Ordinal))
{
if (!value.StartsWith(pattern.Slice(0, pattern.Length - 1), StringComparison.Ordinal))
{
return(false);
}
}
else if (pattern.StartsWith(wildcard, StringComparison.Ordinal))
{
if (!value.EndsWith(pattern.Slice(1), StringComparison.Ordinal))
{
return(false);
}
}
else
{
if (!value.Equals(pattern, StringComparison.Ordinal))
{
return(false);
}
}
}
// A filter without any properties is matching always.
return(true);
}
public IDictionary PostProcessMessage(string uid, [FromBody] WirehomeDictionary message, bool returnUpdatedComponent = true)
{
var result = _componentRegistryService.ProcessComponentMessage(uid, message);
if (returnUpdatedComponent)
{
result["component"] = CreateComponentModel(_componentRegistryService.GetComponent(uid));
}
return(result);
}
public void PublishDisabledEvent(string componentUid)
{
var message = new WirehomeDictionary
{
["type"] = "component_registry.event.disabled",
["component_uid"] = componentUid,
["timestamp"] = DateTime.Now.ToString("O")
};
_messageBusService.Publish(message);
}
public void Match_Wildcard()
{
var message = new WirehomeDictionary()
.WithValue("type", "myTypeX");
var filter = new WirehomeDictionary()
.WithValue("type", "*");
var compareResult = MessageBusFilterComparer.IsMatch(message, filter);
Assert.IsTrue(compareResult);
}
public void PublishMacroExecutedBusMessage(string macroUid, WirehomeDictionary result)
{
var message = new WirehomeDictionary
{
["type"] = "macro_registry.event.macro_executed",
["macro_uid"] = macroUid,
["result"] = result,
["timestamp"] = DateTime.Now.ToString("O")
};
_messageBusService.Publish(message);
}
public void PublishTagRemovedEvent(string componentUid, string tag)
{
var message = new WirehomeDictionary
{
["type"] = "component_registry.event.tag_removed",
["component_uid"] = componentUid,
["tag"] = tag,
["timestamp"] = DateTime.Now.ToString("O")
};
_messageBusService.Publish(message);
}
public void TryInitializeComponentGroup(string uid)
{
if (uid == null)
{
throw new ArgumentNullException(nameof(uid));
}
try
{
if (!_storageService.TryRead(out ComponentGroupConfiguration configuration, ComponentGroupsDirectory, uid, DefaultFilenames.Configuration))
{
throw new ComponentGroupNotFoundException(uid);
}
if (!_storageService.TryRead(out WirehomeDictionary settings, ComponentGroupsDirectory, uid, DefaultFilenames.Settings))
{
settings = new WirehomeDictionary();
}
var componentGroup = new ComponentGroup(uid);
foreach (var setting in settings)
{
componentGroup.Settings[setting.Key] = setting.Value;
}
var associationUids = _storageService.EnumeratureDirectories("*", ComponentGroupsDirectory, uid, "Components");
foreach (var associationUid in associationUids)
{
if (!_storageService.TryRead(out WirehomeDictionary associationSettings, ComponentGroupsDirectory, uid, "Components", associationUid, DefaultFilenames.Settings))
{
associationSettings = new WirehomeDictionary();
}
var componentAssociation = new ComponentGroupAssociation();
foreach (var associationSetting in associationSettings)
{
componentAssociation.Settings[associationSetting.Key] = associationSetting.Value;
}
componentGroup.Components.TryAdd(associationUid, componentAssociation);
}
lock (_componentGroups)
{
_componentGroups[uid] = componentGroup;
}
}
catch (Exception exception)
{
_logger.LogError(exception, $"Error while initializing component group '{uid}'.'");
}
}