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65 lines
2.8 KiB
65 lines
2.8 KiB
using System;
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using System.Text;
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using DotNetty.Buffers;
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using DotNetty.Codecs.Http;
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using DotNetty.Common.Utilities;
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using DotNetty.Transport.Channels;
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using log4net;
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namespace BrakeMachine.Brack
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{
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public class HttpHandler: SimpleChannelInboundHandler<DefaultHttpRequest>
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{
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private static readonly ILog Log = LogManager.GetLogger(typeof(HttpHandler));
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static readonly AsciiString TypePlain = AsciiString.Cached("text/plain; charset=utf-8");
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static readonly AsciiString TypeJson = AsciiString.Cached("application/json; charset=utf-8");
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static readonly AsciiString OkLength = AsciiString.Cached(Encoding.UTF8.GetBytes("true").Length.ToString());
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static readonly AsciiString FailLength = AsciiString.Cached(Encoding.UTF8.GetBytes("false").Length.ToString());
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static readonly AsciiString ServerName = AsciiString.Cached("Netty");
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static readonly AsciiString ContentTypeEntity = HttpHeaderNames.ContentType;
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static readonly AsciiString DateEntity = HttpHeaderNames.Date;
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static readonly AsciiString ContentLengthEntity = HttpHeaderNames.ContentLength;
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static readonly AsciiString ServerEntity = HttpHeaderNames.Server;
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protected override void ChannelRead0(IChannelHandlerContext ctx, DefaultHttpRequest req)
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{
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Log.Info($"{req.Uri}, {req}");
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DefaultFullHttpResponse response = null;
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switch (req.Uri)
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{
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case "/Api/Manualsnap"://抓拍
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BrackMgr.Manualsnap();
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//this.WriteResponse(ctx, Unpooled.WrappedBuffer(Encoding.UTF8.GetBytes(closeRfid.ToString())), TypePlain, closeRfid?OkLength: FailLength);
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break;
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default:
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response = new DefaultFullHttpResponse(HttpVersion.Http11, HttpResponseStatus.NotFound, Unpooled.Empty, false);
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ctx.WriteAndFlushAsync(response);
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break;
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}
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}
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void WriteResponse(IChannelHandlerContext ctx, IByteBuffer buf, ICharSequence contentType,
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ICharSequence contentLength)
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{
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DateTime dateTime = DateTime.UtcNow;
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// Build the response object.
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var response = new DefaultFullHttpResponse(HttpVersion.Http11, HttpResponseStatus.OK, buf, false);
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HttpHeaders headers = response.Headers;
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headers.Set(ContentTypeEntity, contentType);
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headers.Set(ServerEntity, ServerName);
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headers.Set(DateEntity, AsciiString.Cached($"{dateTime.DayOfWeek}, {dateTime:dd MMM yyyy HH:mm:ss z}"));
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headers.Set(ContentLengthEntity, contentLength);
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// Close the non-keep-alive connection after the write operation is done.
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ctx.WriteAsync(response);
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}
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public override void ExceptionCaught(IChannelHandlerContext context, Exception exception) => context.CloseAsync();
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public override void ChannelReadComplete(IChannelHandlerContext context) => context.Flush();
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}
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} |