Example usage for io.netty.channel ChannelFutureListener CLOSE

List of usage examples for io.netty.channel ChannelFutureListener CLOSE

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Introduction

In this page you can find the example usage for io.netty.channel ChannelFutureListener CLOSE.

Prototype

ChannelFutureListener CLOSE

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Document

A ChannelFutureListener that closes the Channel which is associated with the specified ChannelFuture .

Usage

From source file:com.corundumstudio.socketio.transport.FlashPolicyHandler.java

License:Apache License

@Override
public void channelRead(ChannelHandlerContext ctx, Object msg) throws Exception {
    if (msg instanceof ByteBuf) {
        ByteBuf message = (ByteBuf) msg;
        ByteBuf data = message.slice(0, requestBuffer.readableBytes());
        if (data.equals(requestBuffer)) {
            message.release();//from   w  ww .  j av  a 2s.  c  o m
            ChannelFuture f = ctx.writeAndFlush(Unpooled.copiedBuffer(responseBuffer));
            f.addListener(ChannelFutureListener.CLOSE);
            return;
        }
        ctx.pipeline().remove(this);
    }
    ctx.fireChannelRead(msg);
}

From source file:com.corundumstudio.socketio.transport.FlashUrlLoaderPolicyHandler.java

License:Apache License

/**
 * Method to write back crossdomain xml//from www .ja v  a  2 s.  co  m
 *
 * @param request
 */
private void writeCrossdomainDotXml(final ChannelHandlerContext ctx, final HttpRequest request) {
    boolean keepAlive = isKeepAlive(request);

    HttpResponse response = new DefaultFullHttpResponse(HTTP_1_1, OK, Unpooled.copiedBuffer(crossdomain));
    response.headers().set(CONTENT_TYPE, "text/xml");
    response.headers().set(ACCESS_CONTROL_ALLOW_ORIGIN, "*");
    if (keepAlive) {
        // - http://www.w3.org/Protocols/HTTP/1.1/draft-ietf-http-v11-spec-01.html#Connection
        response.headers().set(CONNECTION, HttpHeaders.Values.KEEP_ALIVE);
        response.headers().set(HttpHeaders.Values.KEEP_ALIVE, "timeout=2,max=5");
    }
    // Write the response.
    ctx.writeAndFlush(response).addListener(ChannelFutureListener.CLOSE);
}

From source file:com.corundumstudio.socketio.transport.PollingTransport.java

License:Apache License

private void sendError(ChannelHandlerContext ctx) {
    HttpResponse res = new DefaultHttpResponse(HTTP_1_1, HttpResponseStatus.INTERNAL_SERVER_ERROR);
    ctx.channel().writeAndFlush(res).addListener(ChannelFutureListener.CLOSE);
}

From source file:com.creamsugardonut.HttpStaticFileServerHandler2.java

License:Apache License

@Override
public void channelRead0(ChannelHandlerContext ctx, HttpRequest request) throws Exception {
    if (!request.getDecoderResult().isSuccess()) {
        sendError(ctx, BAD_REQUEST);//from ww w . j a  va  2  s  . c  o m
        return;
    }

    final String uri = request.getUri();
    final String path = sanitizeUri(uri);
    if (path == null) {
        sendError(ctx, FORBIDDEN);
        return;
    }

    File file = new File(path);
    if (file.isHidden() || !file.exists()) {
        sendError(ctx, NOT_FOUND);
        return;
    }

    if (!file.isFile()) {
        sendError(ctx, FORBIDDEN);
        return;
    }

    RandomAccessFile raf;
    try {
        raf = new RandomAccessFile(file, "r");
    } catch (FileNotFoundException ignore) {
        sendError(ctx, NOT_FOUND);
        return;
    }
    long fileLength = raf.length();

    HttpResponse response = new DefaultHttpResponse(HTTP_1_1, OK);
    setContentTypeHeader(response, file);
    if (HttpHeaders.isKeepAlive(request)) {
        response.headers().set(CONNECTION, HttpHeaders.Values.KEEP_ALIVE);
    }

    // Write the content.
    ChannelFuture sendFileFuture;
    ChannelFuture lastContentFuture;

    // Tell clients that Partial Requests are available.
    response.headers().add(HttpHeaders.Names.ACCEPT_RANGES, HttpHeaders.Values.BYTES);

    String rangeHeader = request.headers().get(HttpHeaders.Names.RANGE);
    System.out.println(HttpHeaders.Names.RANGE + " = " + rangeHeader);
    if (rangeHeader != null && rangeHeader.length() > 0) { // Partial Request
        PartialRequestInfo partialRequestInfo = getPartialRequestInfo(rangeHeader, fileLength);

        // Set Response Header
        response.headers().add(HttpHeaders.Names.CONTENT_RANGE, HttpHeaders.Values.BYTES + " "
                + partialRequestInfo.startOffset + "-" + partialRequestInfo.endOffset + "/" + fileLength);
        System.out.println(HttpHeaders.Names.CONTENT_RANGE + " : "
                + response.headers().get(HttpHeaders.Names.CONTENT_RANGE));

        HttpHeaders.setContentLength(response, partialRequestInfo.getChunkSize());
        System.out.println(HttpHeaders.Names.CONTENT_LENGTH + " : " + partialRequestInfo.getChunkSize());

        response.setStatus(HttpResponseStatus.PARTIAL_CONTENT);

        // Write Response
        ctx.write(response);
        sendFileFuture = ctx.write(new DefaultFileRegion(raf.getChannel(), partialRequestInfo.getStartOffset(),
                partialRequestInfo.getChunkSize()), ctx.newProgressivePromise());
    } else {
        // Set Response Header
        HttpHeaders.setContentLength(response, fileLength);

        // Write Response
        ctx.write(response);
        sendFileFuture = ctx.write(new DefaultFileRegion(raf.getChannel(), 0, fileLength),
                ctx.newProgressivePromise());
    }

    lastContentFuture = ctx.writeAndFlush(LastHttpContent.EMPTY_LAST_CONTENT);

    sendFileFuture.addListener(new ChannelProgressiveFutureListener() {
        @Override
        public void operationProgressed(ChannelProgressiveFuture future, long progress, long total) {
            if (total < 0) { // total unknown
                System.err.println(future.channel() + " Transfer progress: " + progress);
            } else {
                System.err.println(future.channel() + " Transfer progress: " + progress + " / " + total);
            }
        }

        @Override
        public void operationComplete(ChannelProgressiveFuture future) {
            System.err.println(future.channel() + " Transfer complete.");
        }
    });

    // Decide whether to close the connection or not.
    if (!HttpHeaders.isKeepAlive(request)) {
        // Close the connection when the whole content is written out.
        lastContentFuture.addListener(ChannelFutureListener.CLOSE);
    }
}

From source file:com.dempe.ketty.srv.http.HttpStaticFileServerHandler.java

License:Apache License

public static void sendRedirect(ChannelHandlerContext ctx, String newUri) {
    FullHttpResponse response = new DefaultFullHttpResponse(HTTP_1_1, FOUND);
    response.headers().set(LOCATION, newUri);

    // Close the connection as soon as the error message is sent.
    ctx.writeAndFlush(response).addListener(ChannelFutureListener.CLOSE);
}

From source file:com.dempe.ketty.srv.http.HttpStaticFileServerHandler.java

License:Apache License

public void sendError(ChannelHandlerContext ctx, HttpResponseStatus status, FullHttpRequest request) {
    FullHttpResponse response = new DefaultFullHttpResponse(HTTP_1_1, status,
            Unpooled.copiedBuffer("Failure: " + status + "\r\n", CharsetUtil.UTF_8));
    response.headers().set(CONTENT_TYPE, "text/plain; charset=UTF-8");

    // Close the connection as soon as the error message is sent.
    ctx.writeAndFlush(response).addListener(ChannelFutureListener.CLOSE);
}

From source file:com.dempe.ketty.srv.http.HttpStaticFileServerHandler.java

License:Apache License

/**
 * When file timestamp is the same as what the browser is sending up, send a "304 Not Modified"
 *
 * @param ctx Context/*from  w  ww.  j a v  a2  s .  co  m*/
 */
public static void sendNotModified(ChannelHandlerContext ctx) {
    FullHttpResponse response = new DefaultFullHttpResponse(HTTP_1_1, NOT_MODIFIED);
    setDateHeader(response);

    // Close the connection as soon as the error message is sent.
    ctx.writeAndFlush(response).addListener(ChannelFutureListener.CLOSE);
}

From source file:com.dingwang.netty.handler.DiscardServerHandler.java

License:Open Source License

@Override
//channelActive()??
//32??/*  ww  w.j a v  a2s  .  c om*/
public void channelActive(ChannelHandlerContext ctx) throws Exception {

    //????????32?
    //?4ByteBufChannelHandlerContext.alloc()?ByteBufAllocator
    //??
    //        final ByteBuf time = ctx.alloc().buffer(4);
    //        time.writeInt((int) (System.currentTimeMillis() / 1000L + 2208988800L));

    //???ChannelHandlerContext.write()(
    //writeAndFlush())ChannelFutureChannelFuture?I/O?
    //????Netty????
    //?????
    //?write()ChannelFuture??close()????
    //??,close()??ChannelFuture
    //        final ChannelFuture f = ctx.writeAndFlush(time);

    //?????ChannelFuture
    //ChannelFutureListener??ChannelFutureListener???
    //Channel????:
    //f.addListener(ChannelFutureListener.CLOSE);
    //        f.addListener(new ChannelFutureListener() {
    //            @Override
    //
    //            public void operationComplete(ChannelFuture future) {
    //                assert f == future;
    //                ctx.close();
    //
    //            }
    //        });
    System.out.println("test idle");
    ChannelFuture f = ctx.writeAndFlush("hhhh");
    f.addListener(ChannelFutureListener.CLOSE);

}

From source file:com.dingwang.rpc.handler.ProviderProxy.java

License:Open Source License

@Override
protected void messageReceived(ChannelHandlerContext ctx, RpcRequest request) throws Exception {
    System.out.println("-----------------------------------------server messageReceived");
    RpcResponse response = new RpcResponse();
    response.setRequestId(request.getRequestId());
    try {//  w ww  . j  a va2  s.  com
        Object result = handle(request);
        response.setResult(result);
    } catch (Throwable t) {
        response.setError(t);
    }
    ctx.writeAndFlush(response).addListener(ChannelFutureListener.CLOSE);

}

From source file:com.dingwang.rpc.handler.RpcHandler.java

License:Open Source License

@Override
protected void messageReceived(ChannelHandlerContext ctx, RpcRequest request) throws Exception {

    System.out.println("-----------------------------------------server messageReceived");
    RpcResponse response = new RpcResponse();
    response.setRequestId(request.getRequestId());
    try {//  w  w  w .j  av a 2  s  . c  om
        Object result = handle(request);
        response.setResult(result);
    } catch (Throwable t) {
        response.setError(t);
    }
    ctx.writeAndFlush(response).addListener(ChannelFutureListener.CLOSE);

}