internal static INodeJSService INodeJSServiceFactory(IServiceProvider serviceProvider)
{
OutOfProcessNodeJSServiceOptions outOfProcessNodeJSServiceOptions = serviceProvider.GetRequiredService <IOptions <OutOfProcessNodeJSServiceOptions> >().Value;
IEnvironmentService environmentService = serviceProvider.GetRequiredService <IEnvironmentService>();
int concurrencyDegree = outOfProcessNodeJSServiceOptions.ConcurrencyDegree;
int processorCount = environmentService.ProcessorCount; // TODO to be safe we should ensure that this is >= 1
if (outOfProcessNodeJSServiceOptions.Concurrency == Concurrency.None ||
concurrencyDegree == 1 || // MultiProcess mode but only 1 process
concurrencyDegree <= 0 && processorCount == 1) // Machine has only 1 logical processor
{
return(ActivatorUtilities.CreateInstance <HttpNodeJSService>(serviceProvider));
}
else
{
if (concurrencyDegree <= 0)
{
concurrencyDegree = processorCount;
}
var httpNodeJSServices = new HttpNodeJSService[concurrencyDegree];
for (int i = 0; i < concurrencyDegree; i++)
{
httpNodeJSServices[i] = ActivatorUtilities.CreateInstance <HttpNodeJSService>(serviceProvider);
}
return(new HttpNodeJSPoolService(new ReadOnlyCollection <HttpNodeJSService>(httpNodeJSServices)));
}
}
internal static IHttpClientService IHttpClientServiceFactory(IServiceProvider serviceProvider)
{
OutOfProcessNodeJSServiceOptions outOfProcessNodeJSServiceOptions = serviceProvider.GetRequiredService <IOptions <OutOfProcessNodeJSServiceOptions> >().Value;
return(new HttpClientService
{
Timeout = outOfProcessNodeJSServiceOptions.TimeoutMS == -1 ? Timeout.InfiniteTimeSpan : TimeSpan.FromMilliseconds(outOfProcessNodeJSServiceOptions.TimeoutMS + 1000)
});
}
internal static IHttpClientService IHttpClientServiceFactory(IServiceProvider serviceProvider)
{
OutOfProcessNodeJSServiceOptions outOfProcessNodeJSServiceOptions = serviceProvider.GetRequiredService <IOptions <OutOfProcessNodeJSServiceOptions> >().Value;
// TODO consider making PooledConnectionIdleTimeout infinite - https://www.stevejgordon.co.uk/httpclient-connection-pooling-in-dotnet-core
return(new HttpClientService
{
Timeout = outOfProcessNodeJSServiceOptions.TimeoutMS == -1 ? Timeout.InfiniteTimeSpan : TimeSpan.FromMilliseconds(outOfProcessNodeJSServiceOptions.TimeoutMS + 1000)
});
}
/// <summary>
/// Creates an<see cref="OutOfProcessNodeJSService"/> instance.
/// </summary>
/// <param name="nodeProcessFactory"></param>
/// <param name="logger"></param>
/// <param name="optionsAccessor"></param>
/// <param name="embeddedResourcesService"></param>
/// <param name="serverScriptAssembly"></param>
/// <param name="serverScriptName"></param>
protected OutOfProcessNodeJSService(INodeJSProcessFactory nodeProcessFactory,
ILogger logger,
IOptions <OutOfProcessNodeJSServiceOptions> optionsAccessor,
IEmbeddedResourcesService embeddedResourcesService,
Assembly serverScriptAssembly,
string serverScriptName)
{
_nodeProcessFactory = nodeProcessFactory;
Logger = logger;
_options = optionsAccessor?.Value ?? new OutOfProcessNodeJSServiceOptions();
_embeddedResourcesService = embeddedResourcesService;
_serverScriptName = serverScriptName;
_serverScriptAssembly = serverScriptAssembly;
}
/// <summary>
/// Creates an<see cref="OutOfProcessNodeJSService"/> instance.
/// </summary>
/// <param name="nodeProcessFactory"></param>
/// <param name="logger"></param>
/// <param name="optionsAccessor"></param>
/// <param name="embeddedResourcesService"></param>
/// <param name="serverScriptAssembly"></param>
/// <param name="serverScriptName"></param>
protected OutOfProcessNodeJSService(INodeJSProcessFactory nodeProcessFactory,
ILogger logger,
IOptions <OutOfProcessNodeJSServiceOptions> optionsAccessor,
IEmbeddedResourcesService embeddedResourcesService,
Assembly serverScriptAssembly,
string serverScriptName)
{
_nodeProcessFactory = nodeProcessFactory;
_options = optionsAccessor?.Value ?? new OutOfProcessNodeJSServiceOptions();
_embeddedResourcesService = embeddedResourcesService;
_serverScriptName = serverScriptName;
_serverScriptAssembly = serverScriptAssembly;
Logger = logger;
_debugLoggingEnabled = Logger.IsEnabled(LogLevel.Debug);
_warningLoggingEnabled = Logger.IsEnabled(LogLevel.Warning);
}
// DO NOT DELETE - keep for backward compatibility.
/// <summary>
/// <para>Creates an <see cref="OutOfProcessNodeJSService"/> instance.</para>
/// <para>If this constructor is used, file watching is disabled.</para>
/// </summary>
/// <param name="nodeProcessFactory"></param>
/// <param name="logger"></param>
/// <param name="optionsAccessor"></param>
/// <param name="embeddedResourcesService"></param>
/// <param name="serverScriptAssembly"></param>
/// <param name="serverScriptName"></param>
protected OutOfProcessNodeJSService(INodeJSProcessFactory nodeProcessFactory,
ILogger logger,
IOptions <OutOfProcessNodeJSServiceOptions> optionsAccessor,
IEmbeddedResourcesService embeddedResourcesService,
Assembly serverScriptAssembly,
string serverScriptName)
{
_nodeProcessFactory = nodeProcessFactory;
_options = optionsAccessor?.Value ?? new OutOfProcessNodeJSServiceOptions();
_embeddedResourcesService = embeddedResourcesService;
_serverScriptName = serverScriptName;
_serverScriptAssembly = serverScriptAssembly;
Logger = logger;
_debugLoggingEnabled = Logger.IsEnabled(LogLevel.Debug);
_warningLoggingEnabled = Logger.IsEnabled(LogLevel.Warning);
_infoLoggingEnabled = Logger.IsEnabled(LogLevel.Information);
_numRetries = _options.NumRetries;
_numProcessRetries = _options.NumProcessRetries;
_numConnectionRetries = _options.NumConnectionRetries;
_timeoutMS = _options.TimeoutMS;
}
/// <summary>
/// Adds NodeJS services to the an <see cref="IServiceCollection"/>.
/// </summary>
/// <param name="services">The target <see cref="IServiceCollection"/>.</param>
public static void AddNodeJS(this IServiceCollection services)
{
// Third party services
services.AddLogging();
services.AddOptions();
services.TryAddSingleton(typeof(IHttpClientService), serviceProvider =>
{
OutOfProcessNodeJSServiceOptions outOfProcessNodeJSServiceOptions = serviceProvider.GetRequiredService <IOptions <OutOfProcessNodeJSServiceOptions> >().Value;
return(new HttpClientService
{
Timeout = outOfProcessNodeJSServiceOptions.TimeoutMS == -1 ? Timeout.InfiniteTimeSpan : TimeSpan.FromMilliseconds(outOfProcessNodeJSServiceOptions.TimeoutMS + 1000)
});
});
// Services defined in this project
services.AddSingleton <IConfigureOptions <NodeJSProcessOptions>, ConfigureNodeJSProcessOptions>();
services.AddSingleton <IHttpContentFactory, InvocationContentFactory>();
services.AddSingleton <IJsonService, JsonService>();
services.AddSingleton <IEmbeddedResourcesService, EmbeddedResourcesService>();
services.AddSingleton <INodeJSProcessFactory, NodeJSProcessFactory>();
services.AddSingleton <INodeJSService, HttpNodeJSService>();
}
