public FunctionDispatcher(IOptions <ScriptJobHostOptions> scriptHostOptions,
IMetricsLogger metricsLogger,
IEnvironment environment,
IScriptJobHostEnvironment scriptJobHostEnvironment,
IScriptEventManager eventManager,
ILoggerFactory loggerFactory,
ILanguageWorkerChannelFactory languageWorkerChannelFactory,
IOptions <LanguageWorkerOptions> languageWorkerOptions,
IWebHostLanguageWorkerChannelManager webHostLanguageWorkerChannelManager,
IJobHostLanguageWorkerChannelManager jobHostLanguageWorkerChannelManager,
IOptions <ManagedDependencyOptions> managedDependencyOptions,
IFunctionDispatcherLoadBalancer functionDispatcherLoadBalancer)
{
_metricsLogger = metricsLogger;
_scriptOptions = scriptHostOptions.Value;
_environment = environment;
_scriptJobHostEnvironment = scriptJobHostEnvironment;
_webHostLanguageWorkerChannelManager = webHostLanguageWorkerChannelManager;
_jobHostLanguageWorkerChannelManager = jobHostLanguageWorkerChannelManager;
_eventManager = eventManager;
_workerConfigs = languageWorkerOptions.Value.WorkerConfigs;
_managedDependencyOptions = managedDependencyOptions;
_logger = loggerFactory.CreateLogger <FunctionDispatcher>();
_languageWorkerChannelFactory = languageWorkerChannelFactory;
_workerRuntime = _environment.GetEnvironmentVariable(LanguageWorkerConstants.FunctionWorkerRuntimeSettingName);
var processCount = _environment.GetEnvironmentVariable(LanguageWorkerConstants.FunctionsWorkerProcessCountSettingName);
_maxProcessCount = (processCount != null && int.Parse(processCount) > 1) ? int.Parse(processCount) : 1;
_maxProcessCount = _maxProcessCount > _maxAllowedProcessCount ? _maxAllowedProcessCount : _maxProcessCount;
_functionDispatcherLoadBalancer = functionDispatcherLoadBalancer;
State = FunctionDispatcherState.Default;
_workerErrorSubscription = _eventManager.OfType <WorkerErrorEvent>()
.Subscribe(WorkerError);
_rpcChannelReadySubscriptions = _eventManager.OfType <RpcJobHostChannelReadyEvent>()
.ObserveOn(NewThreadScheduler.Default)
.Subscribe(AddOrUpdateWorkerChannels);
_shutdownStandbyWorkerChannels = ShutdownWebhostLanguageWorkerChannels;
_shutdownStandbyWorkerChannels = _shutdownStandbyWorkerChannels.Debounce(5000);
}
