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

To view the source code for io.netty.channel ChannelFutureListener CLOSE.

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Document

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

Usage

From source file:nettyhttpfileserverdemo.HttpFileServerHandler.java

private void sendRedirect(ChannelHandlerContext ctx, String newUri) {
    FullHttpResponse response = new DefaultFullHttpResponse(HTTP_1_1, FOUND);
    response.headers().set(LOCATION, newUri);
    ctx.writeAndFlush(response).addListener(ChannelFutureListener.CLOSE);
}

From source file:nikoladasm.aspark.ResponseImpl.java

License:Open Source License

private ChannelFuture writeObjectToChannel(Object object) {
    ChannelFuture lastContentFuture = ctx.channel().writeAndFlush(object);
    if (!keepAlive || HTTP_1_0.equals(version))
        lastContentFuture.addListener(ChannelFutureListener.CLOSE);
    return lastContentFuture;
}

From source file:nikoladasm.aspark.server.ServerHandler.java

License:Open Source License

private void sendResponse(ChannelHandlerContext ctx, HttpVersion version, HttpResponseStatus status,
        boolean keepAlive, String body) {
    FullHttpResponse response = new DefaultFullHttpResponse((version == null) ? HTTP_1_1 : version, status,
            Unpooled.copiedBuffer((body == null) ? "" : body, CharsetUtil.UTF_8));
    response.headers().set(CONTENT_TYPE, "text/plain; charset=UTF-8");
    response.headers().set(CONTENT_LENGTH, response.content().readableBytes());
    if (keepAlive)
        response.headers().set(CONNECTION, KEEP_ALIVE);
    ChannelFuture lastContentFuture = ctx.channel().writeAndFlush(response);
    if (!keepAlive || HTTP_1_0.equals(version))
        lastContentFuture.addListener(ChannelFutureListener.CLOSE);
}

From source file:nikoladasm.aspark.server.ServerHandler.java

License:Open Source License

private void handleWebSocketFrame(ChannelHandlerContext ctx, WebSocketFrame frame) throws Exception {
    WebSocketContextImpl wctx = ctx.channel().attr(WEBSOCKET_CONTEXT_ATTR_KEY).get();
    WebSocketHandler wsHandler = ctx.channel().attr(WEBSOCKET_HANDLER_ATTR_KEY).get();
    if (frame instanceof CloseWebSocketFrame) {
        WebSocketServerHandshaker handshaker = ctx.channel().attr(HANDSHAKER_ATTR_KEY).get();
        if (handshaker != null) {
            frame.retain();/*from www  .j  a  v  a 2s  .co m*/
            handshaker.close(ctx.channel(), (CloseWebSocketFrame) frame);
            if (wsHandler != null) {
                ctx.channel().attr(WEBSOCKET_HANDLER_ATTR_KEY).remove();
                ctx.channel().attr(WEBSOCKET_CONTEXT_ATTR_KEY).remove();
                String reason = ((CloseWebSocketFrame) frame).reasonText();
                int statusCode = ((CloseWebSocketFrame) frame).statusCode();
                wsHandler.onClose(wctx, statusCode, reason);
            }
        } else {
            ctx.writeAndFlush(Unpooled.EMPTY_BUFFER).addListener(ChannelFutureListener.CLOSE);
        }
        return;
    }
    if (wsHandler == null)
        return;
    if (frame instanceof PingWebSocketFrame) {
        frame.content().retain();
        ctx.channel().writeAndFlush(new PongWebSocketFrame(frame.content()));
        return;
    }
    if (frame instanceof PongWebSocketFrame) {
        return;
    }
    if (frame instanceof TextWebSocketFrame) {
        wctx.textFrameBegin(true);
        String request = ((TextWebSocketFrame) frame).text();
        if (frame.isFinalFragment()) {
            wsHandler.onMessage(wctx, request);
        } else {
            wctx.stringBuilder().append(request);
        }
        return;
    }
    if (frame instanceof BinaryWebSocketFrame) {
        wctx.textFrameBegin(false);
        byte[] request = new byte[((BinaryWebSocketFrame) frame).content().readableBytes()];
        ((BinaryWebSocketFrame) frame).content().readBytes(request);
        if (frame.isFinalFragment()) {
            wsHandler.onMessage(wctx, request);
        } else {
            wctx.frameBuffer().writeBytes(request);
        }
        return;
    }
    if (frame instanceof ContinuationWebSocketFrame) {
        if (wctx.textFrameBegin()) {
            String request = ((ContinuationWebSocketFrame) frame).text();
            wctx.stringBuilder().append(request);
            if (frame.isFinalFragment()) {
                wsHandler.onMessage(wctx, wctx.stringBuilder().toString());
                wctx.stringBuilder(new StringBuilder());
            }
        } else {
            byte[] request = new byte[((BinaryWebSocketFrame) frame).content().readableBytes()];
            ((BinaryWebSocketFrame) frame).content().readBytes(request);
            wctx.frameBuffer().writeBytes(request);
            if (frame.isFinalFragment()) {
                request = new byte[wctx.frameBuffer().readableBytes()];
                wctx.frameBuffer().readBytes(request);
                wsHandler.onMessage(wctx, request);
                wctx.frameBuffer().clear();
            }
        }
        return;
    }
}

From source file:org.acmsl.katas.antlr4netty.InterpreterServerChannelHandler.java

License:Open Source License

/**
 * {@inheritDoc}/*from  ww w  .  jav a2  s  .  co  m*/
 */
@Override
public void channelReadComplete(final ChannelHandlerContext ctx) throws Exception {
    ctx.writeAndFlush(Unpooled.EMPTY_BUFFER).addListener(ChannelFutureListener.CLOSE);
}

From source file:org.aesh.terminal.http.netty.HttpRequestHandler.java

License:Open Source License

@Override
protected void channelRead0(ChannelHandlerContext ctx, FullHttpRequest request) throws Exception {
    if (wsUri.equalsIgnoreCase(request.getUri())) {
        ctx.fireChannelRead(request.retain());
    } else {/*from w  w  w  .ja va  2 s . c  o  m*/
        if (HttpHeaders.is100ContinueExpected(request)) {
            send100Continue(ctx);
        }

        HttpResponse response = new DefaultHttpResponse(request.getProtocolVersion(),
                HttpResponseStatus.INTERNAL_SERVER_ERROR);

        String path = request.getUri();
        if ("/".equals(path)) {
            path = "/index.html";
        }
        URL res = HttpTtyConnection.class.getResource("/org/aesh/terminal/http" + path);
        try {
            if (res != null) {
                DefaultFullHttpResponse fullResp = new DefaultFullHttpResponse(request.getProtocolVersion(),
                        HttpResponseStatus.OK);
                InputStream in = res.openStream();
                byte[] tmp = new byte[256];
                for (int l = 0; l != -1; l = in.read(tmp)) {
                    fullResp.content().writeBytes(tmp, 0, l);
                }
                int li = path.lastIndexOf('.');
                if (li != -1 && li != path.length() - 1) {
                    String ext = path.substring(li + 1, path.length());
                    String contentType;
                    switch (ext) {
                    case "html":
                        contentType = "text/html";
                        break;
                    case "js":
                        contentType = "application/javascript";
                        break;
                    default:
                        contentType = null;
                        break;
                    }
                    if (contentType != null) {
                        fullResp.headers().set(HttpHeaders.Names.CONTENT_TYPE, contentType);
                    }
                }
                response = fullResp;
            } else {
                response.setStatus(HttpResponseStatus.NOT_FOUND);
            }
        } catch (Exception e) {
            e.printStackTrace();
        } finally {
            ctx.write(response);
            ChannelFuture future = ctx.writeAndFlush(LastHttpContent.EMPTY_LAST_CONTENT);
            future.addListener(ChannelFutureListener.CLOSE);
        }
    }
}

From source file:org.apache.activemq.artemis.core.protocol.stomp.WebSocketServerHandler.java

License:Apache License

private void sendHttpResponse(ChannelHandlerContext ctx, HttpRequest req, FullHttpResponse res) {
    // Generate an error page if response status code is not OK (200).
    if (res.getStatus().code() != 200) {
        res.content().writeBytes(res.getStatus().toString().getBytes(StandardCharsets.UTF_8));
        setContentLength(res, res.content().readableBytes());
    }/*from  w  w  w  . ja v  a  2  s . c  o m*/

    // Send the response and close the connection if necessary.
    ChannelFuture f = ctx.writeAndFlush(res);
    if (!isKeepAlive(req) || res.getStatus().code() != 200) {
        f.addListener(ChannelFutureListener.CLOSE);
    }
}

From source file:org.apache.activemq.artemis.core.server.protocol.websocket.WebSocketServerHandler.java

License:Apache License

private void sendHttpResponse(ChannelHandlerContext ctx, HttpRequest req, FullHttpResponse res) {
    // Generate an error page if response status code is not OK (200).
    if (res.status().code() != 200) {
        res.content().writeBytes(res.status().toString().getBytes(StandardCharsets.UTF_8));
        setContentLength(res, res.content().readableBytes());
    }/* ww w. j  a v  a  2s . c  om*/

    // Send the response and close the connection if necessary.
    ChannelFuture f = ctx.writeAndFlush(res);
    if (!isKeepAlive(req) || res.status().code() != 200) {
        f.addListener(ChannelFutureListener.CLOSE);
    }
}

From source file:org.apache.activemq.jms.example.HttpStaticFileServerHandler.java

License:Apache License

@Override
public void messageReceived(final ChannelHandlerContext ctx, final MessageEvent e) throws Exception {
    HttpRequest request = (HttpRequest) e.getMessage();
    if (request.getMethod() != HttpMethod.GET) {
        sendError(ctx, HttpResponseStatus.METHOD_NOT_ALLOWED);
        return;//from  w  w w  . j  a va 2  s  . com
    }

    if (request.isChunked()) {
        sendError(ctx, HttpResponseStatus.BAD_REQUEST);
        return;
    }

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

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

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

    HttpResponse response = new DefaultHttpResponse(HttpVersion.HTTP_1_1, HttpResponseStatus.OK);
    response.setHeader(HttpHeaders.Names.CONTENT_LENGTH, String.valueOf(fileLength));

    Channel ch = e.getChannel();

    // Write the initial line and the header.
    ch.write(response);

    // Write the content.
    ChannelFuture writeFuture = ch.write(new ChunkedFile(raf, 0, fileLength, 8192));

    // Decide whether to close the connection or not.
    boolean close = HttpHeaders.Values.CLOSE.equalsIgnoreCase(request.getHeader(HttpHeaders.Names.CONNECTION))
            || request.getProtocolVersion().equals(HttpVersion.HTTP_1_0) && !HttpHeaders.Values.KEEP_ALIVE
                    .equalsIgnoreCase(request.getHeader(HttpHeaders.Names.CONNECTION));

    if (close) {
        // Close the connection when the whole content is written out.
        writeFuture.addListener(ChannelFutureListener.CLOSE);
    }
}

From source file:org.apache.activemq.jms.example.HttpStaticFileServerHandler.java

License:Apache License

private void sendError(final ChannelHandlerContext ctx, final HttpResponseStatus status) {
    HttpResponse response = new DefaultHttpResponse(HttpVersion.HTTP_1_1, status);
    response.setHeader(HttpHeaders.Names.CONTENT_TYPE, "text/plain; charset=UTF-8");
    response.setContent(ChannelBuffers.copiedBuffer("Failure: " + status.toString() + "\r\n", "UTF-8"));

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