PrintOptions(
System.Collections.Generic.IEnumerable<System.Type> optionTypes)
{
var options = new Core.Array<Core.ICommandLineArgument>();
foreach (var optType in optionTypes)
{
var arg = System.Activator.CreateInstance(optType) as Core.ICommandLineArgument;
options.Add(arg);
}
foreach (var arg in options.OrderBy(key => key.LongName))
{
if (arg is Core.ICustomHelpText)
{
Core.Log.Info("{0}: {1}", (arg as Core.ICustomHelpText).OptionHelp, arg.ContextHelp);
}
else
{
if (null == arg.ShortName)
{
Core.Log.Info("{0}: {1}", arg.LongName, arg.ContextHelp);
}
else
{
Core.Log.Info("{0} (or {1}): {2}", arg.LongName, arg.ShortName, arg.ContextHelp);
}
}
Core.Log.Info("");
}
}
private async Task doFetch(TaskCompletionSource <HttpResponseMessage> tcs, HttpRequestMessage request, CancellationToken cancellationToken)
{
try {
var requestObject = new JSObject();
requestObject.SetObjectProperty("method", request.Method.Method);
// See https://developer.mozilla.org/en-US/docs/Web/API/Request/credentials for
// standard values and meanings
requestObject.SetObjectProperty("credentials", DefaultCredentials);
// See https://developer.mozilla.org/en-US/docs/Web/API/Request/cache for
// standard values and meanings
requestObject.SetObjectProperty("cache", Cache);
// See https://developer.mozilla.org/en-US/docs/Web/API/Request/mode for
// standard values and meanings
requestObject.SetObjectProperty("mode", Mode);
// We need to check for body content
if (request.Content != null)
{
if (request.Content is StringContent)
{
requestObject.SetObjectProperty("body", await request.Content.ReadAsStringAsync());
}
else
{
using (var uint8Buffer = Uint8Array.From(await request.Content.ReadAsByteArrayAsync()))
{
requestObject.SetObjectProperty("body", uint8Buffer);
}
}
}
// Process headers
// Cors has it's own restrictions on headers.
// https://developer.mozilla.org/en-US/docs/Web/API/Headers
using (var jsHeaders = new HostObject("Headers")) {
if (request.Headers != null)
{
foreach (var header in request.Headers)
{
foreach (var value in header.Value)
{
jsHeaders.Invoke("append", header.Key, value);
}
}
}
if (request.Content?.Headers != null)
{
foreach (var header in request.Content.Headers)
{
foreach (var value in header.Value)
{
jsHeaders.Invoke("append", header.Key, value);
}
}
}
requestObject.SetObjectProperty("headers", jsHeaders);
}
JSObject abortController = null;
JSObject signal = null;
WasmHttpReadStream wasmHttpReadStream = null;
CancellationTokenRegistration abortRegistration = default(CancellationTokenRegistration);
if (cancellationToken.CanBeCanceled)
{
abortController = new HostObject("AbortController");
signal = (JSObject)abortController.GetObjectProperty("signal");
requestObject.SetObjectProperty("signal", signal);
abortRegistration = cancellationToken.Register((Action)(() => {
if (abortController.JSHandle != -1)
{
abortController.Invoke((string)"abort");
abortController?.Dispose();
}
wasmHttpReadStream?.Dispose();
}));
}
var args = new Core.Array();
args.Push(request.RequestUri.ToString());
args.Push(requestObject);
requestObject.Dispose();
var response = (Task <object>)fetch.Invoke("apply", window, args);
args.Dispose();
var t = await response;
var status = new WasmFetchResponse((JSObject)t, abortController, abortRegistration);
//Console.WriteLine($"bodyUsed: {status.IsBodyUsed}");
//Console.WriteLine($"ok: {status.IsOK}");
//Console.WriteLine($"redirected: {status.IsRedirected}");
//Console.WriteLine($"status: {status.Status}");
//Console.WriteLine($"statusText: {status.StatusText}");
//Console.WriteLine($"type: {status.ResponseType}");
//Console.WriteLine($"url: {status.Url}");
HttpResponseMessage httpresponse = new HttpResponseMessage((HttpStatusCode)Enum.Parse(typeof(HttpStatusCode), status.Status.ToString()));
httpresponse.Content = StreamingSupported && StreamingEnabled
? new StreamContent(wasmHttpReadStream = new WasmHttpReadStream(status))
: (HttpContent) new WasmHttpContent(status);
// Fill the response headers
// CORS will only allow access to certain headers.
// If a request is made for a resource on another origin which returns the CORs headers, then the type is cors.
// cors and basic responses are almost identical except that a cors response restricts the headers you can view to
// `Cache-Control`, `Content-Language`, `Content-Type`, `Expires`, `Last-Modified`, and `Pragma`.
// View more information https://developers.google.com/web/updates/2015/03/introduction-to-fetch#response_types
//
// Note: Some of the headers may not even be valid header types in .NET thus we use TryAddWithoutValidation
using (var respHeaders = (JSObject)status.Headers) {
if (respHeaders != null)
{
using (var entriesIterator = (JSObject)respHeaders.Invoke("entries")) {
JSObject nextResult = null;
try {
nextResult = (JSObject)entriesIterator.Invoke("next");
while (!(bool)nextResult.GetObjectProperty("done"))
{
using (var resultValue = (WebAssembly.Core.Array)nextResult.GetObjectProperty("value")) {
var name = (string)resultValue [0];
var value = (string)resultValue [1];
if (!httpresponse.Headers.TryAddWithoutValidation(name, value))
{
if (httpresponse.Content != null)
{
if (!httpresponse.Content.Headers.TryAddWithoutValidation(name, value))
{
Console.WriteLine($"Warning: Can not add response header for name: {name} value: {value}");
}
}
}
}
nextResult?.Dispose();
nextResult = (JSObject)entriesIterator.Invoke("next");
}
} finally {
nextResult?.Dispose();
}
}
}
}
tcs.SetResult(httpresponse);
signal?.Dispose();
} catch (Exception exception) {
tcs.SetException(exception);
}
}
private async Task ConnectAsyncJavaScript(Uri uri, CancellationToken cancellationToken)
{
var tcsConnect = new TaskCompletionSource <bool> ();
// For Abort/Dispose. Calling Abort on the request at any point will close the connection.
cts.Token.Register(AbortRequest);
// Wrap the cancellationToken in a using so that it can be disposed of whether
// we successfully connected or failed trying.
// Otherwise any timeout/cancellation would apply to the full session.
// In the failure case we need to release the references and dispose of the objects.
using (cancellationToken.Register(() => tcsConnect.TrySetCanceled())) {
try {
Core.Array subProtocols = null;
if (Options.RequestedSubProtocols.Count > 0)
{
subProtocols = new Core.Array();
foreach (var item in Options.RequestedSubProtocols)
{
subProtocols.Push(item);
}
}
innerWebSocket = new HostObject("WebSocket", uri.ToString(), subProtocols);
subProtocols?.Dispose();
// Setup the onError callback
onError = new Action <JSObject> ((errorEvt) => {
errorEvt.Dispose();
});
// Attach the onError callback
innerWebSocket.SetObjectProperty("onerror", onError);
// Setup the onClose callback
onClose = new Action <JSObject> ((closeEvt) => {
innerWebSocketCloseStatus = (WebSocketCloseStatus)closeEvt.GetObjectProperty("code");
innerWebSocketCloseStatusDescription = closeEvt.GetObjectProperty("reason")?.ToString();
var mess = new ReceivePayload(WebSocketHelpers.EmptyPayload, WebSocketMessageType.Close);
receiveMessageQueue.BufferPayload(mess);
if (!tcsConnect.Task.IsCanceled && !tcsConnect.Task.IsCompleted && !tcsConnect.Task.IsFaulted)
{
tcsConnect.SetException(new WebSocketException(WebSocketError.NativeError));
}
else
{
tcsClose?.SetResult(true);
}
closeEvt.Dispose();
});
// Attach the onClose callback
innerWebSocket.SetObjectProperty("onclose", onClose);
// Setup the onOpen callback
onOpen = new Action <JSObject> ((evt) => {
if (!cancellationToken.IsCancellationRequested)
{
// Change internal state to 'connected' to enable the other methods
if (Interlocked.CompareExchange(ref state, connected, connecting) != connecting)
{
// Aborted/Disposed during connect.
throw new ObjectDisposedException(GetType().FullName);
}
tcsConnect.SetResult(true);
}
evt.Dispose();
});
// Attach the onOpen callback
innerWebSocket.SetObjectProperty("onopen", onOpen);
// Setup the onMessage callback
onMessage = new Action <JSObject> ((messageEvent) => {
ThrowIfNotConnected();
// get the events "data"
var eventData = messageEvent.GetObjectProperty("data");
// If the messageEvent's data property is marshalled as a JSObject then we are dealing with
// binary data
if (eventData is JSObject)
{
// TODO: Handle ArrayBuffer binary type but have only seen 'blob' so far without
// changing the default websocket binary type manually.
if (innerWebSocket.GetObjectProperty("binaryType").ToString() == "blob")
{
Action <JSObject> loadend = null;
// Create a new "FileReader" object
using (var reader = new HostObject("FileReader")) {
loadend = new Action <JSObject> ((loadEvent) => {
using (var target = (JSObject)loadEvent.GetObjectProperty("target")) {
if ((int)target.GetObjectProperty("readyState") == 2)
{
using (var binResult = (ArrayBuffer)target.GetObjectProperty("result")) {
var mess = new ReceivePayload(binResult, WebSocketMessageType.Binary);
receiveMessageQueue.BufferPayload(mess);
Runtime.FreeObject(loadend);
}
}
}
loadEvent.Dispose();
});
reader.Invoke("addEventListener", "loadend", loadend);
using (var blobData = (JSObject)messageEvent.GetObjectProperty("data"))
reader.Invoke("readAsArrayBuffer", blobData);
}
}
else
{
throw new NotImplementedException($"WebSocket bynary type '{innerWebSocket.GetObjectProperty ("binaryType").ToString ()}' not supported.");
}
}
else if (eventData is string)
{
var mess = new ReceivePayload(Encoding.UTF8.GetBytes(((string)eventData).ToString()), WebSocketMessageType.Text);
receiveMessageQueue.BufferPayload(mess);
}
messageEvent.Dispose();
});
// Attach the onMessage callaback
innerWebSocket.SetObjectProperty("onmessage", onMessage);
await tcsConnect.Task;
} catch (Exception wse) {
ConnectExceptionCleanup();
WebSocketException wex = new WebSocketException("WebSocket connection failure.", wse);
throw wex;
}
}
}
private async Task doFetch(TaskCompletionSource <HttpResponseMessage> tcs, HttpRequestMessage request, CancellationToken cancellationToken)
{
try {
var requestObject = new JSObject();
requestObject.SetObjectProperty("method", request.Method.Method);
// See https://developer.mozilla.org/en-US/docs/Web/API/Request/credentials for
// standard values and meanings
requestObject.SetObjectProperty("credentials", DefaultCredentials);
// See https://developer.mozilla.org/en-US/docs/Web/API/Request/cache for
// standard values and meanings
requestObject.SetObjectProperty("cache", Cache);
// See https://developer.mozilla.org/en-US/docs/Web/API/Request/mode for
// standard values and meanings
requestObject.SetObjectProperty("mode", Mode);
// We need to check for body content
if (request.Content != null)
{
if (request.Content is StringContent)
{
requestObject.SetObjectProperty("body", await request.Content.ReadAsStringAsync());
}
else
{
using (var uint8Buffer = Uint8Array.From(await request.Content.ReadAsByteArrayAsync()))
{
requestObject.SetObjectProperty("body", uint8Buffer);
}
}
}
// Process headers
// Cors has it's own restrictions on headers.
// https://developer.mozilla.org/en-US/docs/Web/API/Headers
using (var jsHeaders = new HostObject("Headers")) {
if (request.Headers != null)
{
foreach (var header in request.Headers)
{
foreach (var value in header.Value)
{
jsHeaders.Invoke("append", header.Key, value);
}
}
}
if (request.Content?.Headers != null)
{
foreach (var header in request.Content.Headers)
{
foreach (var value in header.Value)
{
jsHeaders.Invoke("append", header.Key, value);
}
}
}
requestObject.SetObjectProperty("headers", jsHeaders);
}
JSObject abortController = null;
JSObject signal = null;
WasmHttpReadStream wasmHttpReadStream = null;
CancellationTokenRegistration abortRegistration = default(CancellationTokenRegistration);
if (cancellationToken.CanBeCanceled)
{
abortController = new HostObject("AbortController");
signal = (JSObject)abortController.GetObjectProperty("signal");
requestObject.SetObjectProperty("signal", signal);
abortRegistration = cancellationToken.Register((Action)(() => {
if (abortController.JSHandle != -1)
{
abortController.Invoke((string)"abort");
abortController?.Dispose();
}
wasmHttpReadStream?.Dispose();
}));
}
var args = new Core.Array();
args.Push(request.RequestUri.ToString());
args.Push(requestObject);
requestObject.Dispose();
var response = (Task <object>)fetch.Invoke("apply", window, args);
args.Dispose();
var t = await response;
var status = new WasmFetchResponse((JSObject)t, abortController, abortRegistration);
//Console.WriteLine($"bodyUsed: {status.IsBodyUsed}");
//Console.WriteLine($"ok: {status.IsOK}");
//Console.WriteLine($"redirected: {status.IsRedirected}");
//Console.WriteLine($"status: {status.Status}");
//Console.WriteLine($"statusText: {status.StatusText}");
//Console.WriteLine($"type: {status.ResponseType}");
//Console.WriteLine($"url: {status.Url}");
HttpResponseMessage httpresponse = new HttpResponseMessage((HttpStatusCode)Enum.Parse(typeof(HttpStatusCode), status.Status.ToString()));
httpresponse.Content = StreamingSupported && StreamingEnabled
? new StreamContent(wasmHttpReadStream = new WasmHttpReadStream(status))
: (HttpContent) new WasmHttpContent(status);
// Fill the response headers
// CORS will only allow access to certain headers.
// If a request is made for a resource on another origin which returns the CORs headers, then the type is cors.
// cors and basic responses are almost identical except that a cors response restricts the headers you can view to
// `Cache-Control`, `Content-Language`, `Content-Type`, `Expires`, `Last-Modified`, and `Pragma`.
// View more information https://developers.google.com/web/updates/2015/03/introduction-to-fetch#response_types
//
// Note: Some of the headers may not even be valid header types in .NET thus we use TryAddWithoutValidation
using (var respHeaders = status.Headers) {
// Here we invoke the forEach on the headers object
// Note: the Action takes 3 objects and not two. The other seems to be the Header object.
var foreachAction = new Action <object, object, object> ((value, name, other) => {
if (!httpresponse.Headers.TryAddWithoutValidation((string)name, (string)value))
{
if (httpresponse.Content != null)
{
if (!httpresponse.Content.Headers.TryAddWithoutValidation((string)name, (string)value))
{
Console.WriteLine($"Warning: Can not add response header for name: {name} value: {value}");
}
}
}
((JSObject)other).Dispose();
});
try {
respHeaders.Invoke("forEach", foreachAction);
} finally {
// Do not remove the following line of code. The httpresponse is used in the lambda above when parsing the Headers.
// if a local is captured (used) by a lambda it becomes heap memory as we translate them into fields on an object.
// The foreachAction is allocated when marshalled to JavaScript. Since we do not know when JS is finished with the
// Action we need to tell the Runtime to de-allocate the object and remove the instance from JS as well.
WebAssembly.Runtime.FreeObject(foreachAction);
}
}
tcs.SetResult(httpresponse);
signal?.Dispose();
} catch (Exception exception) {
tcs.SetException(exception);
}
}
Main(
string[] args)
{
#if false
// take control of Ctrl+C
System.Console.CancelKeyPress += new System.ConsoleCancelEventHandler(HandleCancellation);
#endif
try
{
var totalTimeProfile = new Core.TimeProfile(Core.ETimingProfiles.TimedTotal);
var processCommandLineProfile = new Core.TimeProfile(Core.ETimingProfiles.ProcessCommandLine);
totalTimeProfile.StartProfile();
processCommandLineProfile.StartProfile();
var verbosityLevel = (Core.EVerboseLevel)Core.CommandLineProcessor.Evaluate(new Core.Options.VerbosityLevel());
switch (verbosityLevel)
{
case Core.EVerboseLevel.None:
case Core.EVerboseLevel.Info:
case Core.EVerboseLevel.Detail:
case Core.EVerboseLevel.Full:
Core.Graph.Instance.VerbosityLevel = verbosityLevel;
break;
default:
throw new Core.Exception("Unrecognized verbosity level, {0}", verbosityLevel);
}
if (Core.CommandLineProcessor.Evaluate(new Core.Options.PrintHelp()))
{
CommandLineArgumentHelper.PrintHelp();
return;
}
if (Core.CommandLineProcessor.Evaluate(new Core.Options.PrintVersion()))
{
CommandLineArgumentHelper.PrintVersion();
return;
}
if (Core.CommandLineProcessor.Evaluate(new Core.Options.CreateDebugProject()))
{
DebugProject.Create();
return;
}
if (Core.CommandLineProcessor.Evaluate(new Core.Options.MakePackage()))
{
Core.PackageUtilities.MakePackage();
return;
}
if (Core.CommandLineProcessor.Evaluate(new Core.Options.AddDependentPackage()))
{
Core.PackageUtilities.AddDependentPackage();
return;
}
if (Core.CommandLineProcessor.Evaluate(new Core.Options.ShowDefinitionFile()))
{
Core.PackageUtilities.IdentifyAllPackages(allowDuplicates: true, enforceBamAssemblyVersions: false);
Core.Graph.Instance.MasterPackage.Show();
return;
}
// configure
Core.Graph.Instance.BuildRoot = Core.CommandLineProcessor.Evaluate(new Core.Options.BuildRoot());
Core.Graph.Instance.Mode = Core.CommandLineProcessor.Evaluate(new Core.Options.BuildMode());
if (null == Core.Graph.Instance.Mode)
{
throw new Core.Exception("No build mode specified");
}
var configs = new Core.Array<Core.Environment>();
var requestedConfigs = Core.CommandLineProcessor.Evaluate(new Core.Options.BuildConfigurations());
if (0 == requestedConfigs.Count)
{
// default
requestedConfigs.Add(new Core.StringArray("debug"));
}
foreach (var configOption in requestedConfigs)
{
foreach (var config in configOption)
{
var env = new Core.Environment();
env.Configuration = Core.Configuration.FromString(config);
configs.Add(env);
}
}
processCommandLineProfile.StopProfile();
Core.EntryPoint.Execute(configs);
totalTimeProfile.StopProfile();
}
catch (Core.Exception exception)
{
Core.Exception.DisplayException(exception);
System.Environment.ExitCode = -1;
}
catch (System.Exception exception)
{
var message = new System.Text.StringBuilder();
message.AppendFormat("{0} not handled: {1}", exception.GetType().ToString(), exception.Message);
message.AppendLine();
message.AppendLine(exception.StackTrace);
Core.Log.ErrorMessage(message.ToString());
System.Environment.ExitCode = -2;
}
finally
{
if (Core.Graph.Instance.BuildEnvironments.Count > 0)
{
Core.Log.Info((0 == System.Environment.ExitCode) ? "\nBuild Succeeded" : "\nBuild Failed");
if (Core.CommandLineProcessor.Evaluate(new Core.Options.PrintStatistics()))
{
Core.Statistics.Display();
}
Core.Log.DebugMessage("Exit code {0}", System.Environment.ExitCode);
}
}
}
