public async Task Invoke(HttpContext context, IElementStreamingRequestContextCollection streamContext)
{
var handlerContext = streamContext.GetRequestContext(context);
if (handlerContext == null)
{
await next(context);
}
else
{
var bodyStream = context.Response.Body;
using (var incomingStream = new MemoryStream())
{
var jsonStreamer = handlerContext.Streamer;
jsonStreamer.OutStream = incomingStream;
jsonStreamer.SourceStream = context.Request.Body;
try
{
do
{
await jsonStreamer.Next();
switch (jsonStreamer.Status)
{
case Enums.StreamerStatus.StartOfData:
handlerContext?.ElementFoundHandler();
break;
case Enums.StreamerStatus.EndOfData:
handlerContext.ElementCompleteHandler();
break;
}
}while (jsonStreamer.Status != Enums.StreamerStatus.Complete);
}
finally
{
context.Request.Body.Dispose();
incomingStream.Position = 0;
// logging:
var logbuffer = new byte[incomingStream.Length];
incomingStream.Read(logbuffer, 0, (int)incomingStream.Length);
Console.WriteLine($"Request to {context.Request.Path}");
Console.WriteLine(Encoding.Default.GetString(logbuffer));
incomingStream.Position = 0;
context.Request.Body = incomingStream;
}
await next(context);
}
}
}
public DocumentController(IElementStreamingRequestContextCollection requestContexts, IHttpContextAccessor httpContext)
{
requestContext = requestContexts.ActiveContext();
this.httpContext = httpContext.HttpContext;
}
