internal async void InitializeWebhostLanguageWorkerChannel()
{
_logger.LogDebug("Creating new webhost language worker channel for runtime:{workerRuntime}.", _workerRuntime);
ILanguageWorkerChannel workerChannel = await _webHostLanguageWorkerChannelManager.InitializeChannelAsync(_workerRuntime);
workerChannel.SetupFunctionInvocationBuffers(_functions);
workerChannel.SendFunctionLoadRequests();
}
public async Task InitializeAsync(IEnumerable <FunctionMetadata> functions)
{
if (_environment.IsPlaceholderModeEnabled())
{
return;
}
_workerRuntime = _workerRuntime ?? Utility.GetWorkerRuntime(functions);
_functions = functions;
if (string.IsNullOrEmpty(_workerRuntime) || _workerRuntime.Equals(LanguageWorkerConstants.DotNetLanguageWorkerName, StringComparison.InvariantCultureIgnoreCase))
{
// Shutdown any placeholder channels for empty function apps or dotnet function apps.
// This is needed as specilization does not kill standby placeholder channels if worker runtime is not set.
// Debouce to ensure this does not effect cold start
_shutdownStandbyWorkerChannels();
return;
}
if (functions == null || functions.Count() == 0)
{
// do not initialize function dispachter if there are no functions
return;
}
if (Utility.IsSupportedRuntime(_workerRuntime, _workerConfigs))
{
State = FunctionDispatcherState.Initializing;
Dictionary <string, TaskCompletionSource <ILanguageWorkerChannel> > webhostLanguageWorkerChannels = _webHostLanguageWorkerChannelManager.GetChannels(_workerRuntime);
if (webhostLanguageWorkerChannels != null)
{
foreach (string workerId in webhostLanguageWorkerChannels.Keys)
{
if (webhostLanguageWorkerChannels.TryGetValue(workerId, out TaskCompletionSource <ILanguageWorkerChannel> initializedLanguageWorkerChannelTask))
{
_logger.LogDebug("Found initialized language worker channel for runtime: {workerRuntime} workerId:{workerId}", _workerRuntime, workerId);
ILanguageWorkerChannel initializedLanguageWorkerChannel = await initializedLanguageWorkerChannelTask.Task;
initializedLanguageWorkerChannel.SetupFunctionInvocationBuffers(_functions);
initializedLanguageWorkerChannel.SendFunctionLoadRequests();
}
}
StartWorkerProcesses(webhostLanguageWorkerChannels.Count(), InitializeWebhostLanguageWorkerChannel);
State = FunctionDispatcherState.Initialized;
}
else
{
await InitializeJobhostLanguageWorkerChannelAsync(0);
StartWorkerProcesses(1, InitializeJobhostLanguageWorkerChannelAsync);
}
}
}