public void Register(ManticoreEngine engine)
{
engine.ManticoreJsObject.FastAddProperty("_log",
engine.AsJsFunction((thisObject, args) =>
{
JsValue extra = JsValue.Null;
if (args.Length > 2)
{
extra = args[2];
}
Log(args[0].AsString(), args[1].AsString(), extra);
return(JsValue.Undefined);
}), true, false, false);
engine.ManticoreJsObject.FastAddProperty("_setTimeout",
engine.AsJsFunction((thisObject, args) =>
{
SetTimeout(engine, args[0].As <FunctionInstance>(), (int)args[1].AsNumber());
return(JsValue.Undefined);
}), true, false, false);
engine.ManticoreJsObject.FastAddProperty("_fetch",
engine.AsJsFunction((thisObject, args) =>
{
Task.Factory.StartNew(() =>
{
Fetch(engine, args[0], args[1]);
});
return(JsValue.Undefined);
}), true, false, false);
}
private async void sendRequest(ManticoreEngine engine, int timeout, HttpClient client, HttpRequestMessage request, JsValue callback)
{
var responseInfo = engine.CreateJsObject();
HttpResponseMessage response = null;
CancellationTokenSource cts = new CancellationTokenSource(timeout);
try
{
response = await client.SendRequestAsync(request, HttpCompletionOption.ResponseContentRead).AsTask(cts.Token);
}
catch (Exception x)
{
var ei = new JsErrorBuilder(engine, x).Build();
responseInfo.FastAddProperty("error", ei, false, true, false);
}
if (response != null && response.Headers.Count > 0)
{
var headerCollection = engine.CreateJsObject();
foreach (var kv in response.Headers)
{
try
{
headerCollection.FastAddProperty(kv.Key, new JsValue(kv.Value), false, true, false);
}
catch (ArgumentException)
{
// Swallow duplicate headers for now.
}
}
responseInfo.FastAddProperty("headers", headerCollection, false, true, false);
}
byte[] binaryResult = null;
if (response != null)
{
responseInfo.FastAddProperty("status", new JsValue((int)response.StatusCode), false, true, false);
// TODO find a way to sneak this wait into the gap between returning and asking for the results
// json/body/text signatures probably need to change to take a callback.
binaryResult = (await response.Content.ReadAsBufferAsync()).ToArray();
}
engine.Js(() =>
{
responseInfo.FastAddProperty("json", engine.AsJsFunction((thisObject, args) => {
return(engine.jsEngine.Json.Parse(JsValue.Null,
new JsValue[] { Encoding.UTF8.GetString(binaryResult, 0, binaryResult.Length) }));
}), false, false, false);
responseInfo.FastAddProperty("body", engine.AsJsFunction((thisObject, args) => {
return(engine.jsEngine.Json.Parse(JsValue.Null, new JsValue[] { Convert.ToBase64String(binaryResult) }));
}), false, false, false);
responseInfo.FastAddProperty("text", engine.AsJsFunction((thisObject, args) => {
return(new JsValue(Encoding.UTF8.GetString(binaryResult, 0, binaryResult.Length)));
}), false, false, false);
callback.As <FunctionInstance>().Call(engine.ManticoreJsObject, new JsValue[] { JsValue.Null, responseInfo });
});
}
internal ManticoreJsError(ManticoreEngine manticoreEngine, Exception ex, int?code = null)
: base(manticoreEngine.jsEngine, ex.Message)
{
FastAddProperty("message", ex.Message, true, false, true);
FastAddProperty("code", code.HasValue ? new JsValue(code.Value) : JsValue.Null, true, false, true);
FastAddProperty("stack", ex.StackTrace, true, false, true);
FastAddProperty("toString", manticoreEngine.AsJsFunction(((thisObj, args) => ex.ToString())), true, false, false);
}
private void sendRequest(ManticoreEngine engine, HttpWebRequest request, JsValue callback)
{
request.BeginGetResponse((asyncResult) =>
{
HttpWebResponse response = null;
var errorInstance = JsValue.Null;
try
{
response = (HttpWebResponse)request.EndGetResponse(asyncResult);
}
catch (WebException e)
{
if (e.Status == WebExceptionStatus.ProtocolError) //Response was received from server but indicated protocol level error
{
response = (HttpWebResponse)e.Response;
}
else
{
errorInstance = new JsErrorBuilder(engine, e).SetErrorCode((int)ErrorCodes.NetworkOffline).Build();
}
}
if (response == null)
{
engine.Js(() =>
{
callback.As <FunctionInstance>().Call(engine.ManticoreJsObject, new[] { errorInstance, JsValue.Null });
});
return;
}
var responseInfo = engine.CreateJsObject();
if (response.Headers.Count > 0)
{
var headerCollection = engine.CreateJsObject();
foreach (var kv in response.Headers.AllKeys)
{
headerCollection.FastAddProperty(kv, new JsValue(response.Headers[kv]), false, true, false);
}
responseInfo.FastAddProperty("headers", headerCollection, false, true, false);
}
responseInfo.FastAddProperty("status", new JsValue((int)response.StatusCode), false, true, false);
// TODO find a way to sneak this wait into the gap between returning and asking for the results
// json/body/text signatures probably need to change to take a callback.
var memStream = new MemoryStream();
response.GetResponseStream().CopyTo(memStream);
var binaryResult = memStream.ToArray();
responseInfo.FastAddProperty("json", engine.AsJsFunction((thisObject, args) => {
return(engine.jsEngine.Json.Parse(JsValue.Null, new JsValue[] { Encoding.UTF8.GetString(binaryResult) }));
}), false, false, false);
responseInfo.FastAddProperty("body", engine.AsJsFunction((thisObject, args) => {
return(engine.jsEngine.Json.Parse(JsValue.Null, new JsValue[] { Convert.ToBase64String(binaryResult) }));
}), false, false, false);
responseInfo.FastAddProperty("text", engine.AsJsFunction((thisObject, args) => {
return(new JsValue(Encoding.UTF8.GetString(binaryResult)));
}), false, false, false);
engine.Js(() =>
{
callback.As <FunctionInstance>().Call(engine.ManticoreJsObject, new[] { errorInstance, responseInfo });
});
}, null);
}
