Example usage for io.netty.channel ChannelHandlerContext channel

Introduction

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

Prototype

Channel channel();

Source Link

Document

Return the Channel which is bound to the ChannelHandlerContext .

Usage

From source file:com.antsdb.saltedfish.server.mysql.MysqlServerHandler.java

License:Open Source License

private void run(ChannelHandlerContext ctx, Object msg) throws Exception {
    if (msg instanceof AuthPacket) {
        auth(ctx, (AuthPacket) msg);//from ww w  .j  a  v  a  2s. com
        return;
    } else if (msg instanceof ShutdownPacket) {
        ctx.channel().close();
        ctx.channel().parent().close();
        System.exit(0);
    }
    if (this.session == null) {
        throw new OrcaException("session is closed");
    }
    if (this.session.isClosed()) {
        throw new OrcaException("session is closed");
    }
    if (msg instanceof PingPacket) {
        ping(ctx);
    } else if (msg instanceof QueryPacket) {
        query(ctx, (QueryPacket) msg);
    } else if (msg instanceof InitPacket) {
        init(ctx, (InitPacket) msg);
    } else if (msg instanceof StmtPreparePacket) {
        stmtPrepare(ctx, (StmtPreparePacket) msg);
    } else if (msg instanceof LongDataPacket) {
        stmtPrepareLongData(ctx, (LongDataPacket) msg);
    } else if (msg instanceof StmtExecutePacket) {
        stmtExecute(ctx, (StmtExecutePacket) msg);
    } else if (msg instanceof StmtClosePacket) {
        stmtClose(ctx, (StmtClosePacket) msg);
    } else if (msg instanceof ClosePacket) {
        close(ctx);
    } else if (msg instanceof FieldListPacket) {
        fieldList(ctx, (FieldListPacket) msg);
    } else if (msg instanceof SetOptionPacket) {
        setOption(ctx, (SetOptionPacket) msg);
    } else {
        unknown(ctx);
        throw new CodingError("unknown message type: " + msg.getClass().toString());
    }
}

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From source file:com.athena.dolly.websocket.client.test.WebSocketClientHandler.java

License:Apache License

@Override
public void channelActive(ChannelHandlerContext ctx) throws Exception {
    handshaker.handshake(ctx.channel());
}

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From source file:com.athena.dolly.websocket.client.test.WebSocketClientHandler.java

License:Apache License

@Override
public void channelRead0(ChannelHandlerContext ctx, Object msg) throws Exception {
    Channel ch = ctx.channel();
    if (!handshaker.isHandshakeComplete()) {
        handshaker.finishHandshake(ch, (FullHttpResponse) msg);
        System.out.println("WebSocket Client connected!");
        handshakeFuture.setSuccess();/*from  w  ww  . ja  va2 s.  c  o m*/
        return;
    }

    if (msg instanceof FullHttpResponse) {
        FullHttpResponse response = (FullHttpResponse) msg;
        throw new Exception("Unexpected FullHttpResponse (getStatus=" + response.getStatus() + ", content="
                + response.content().toString(CharsetUtil.UTF_8) + ')');
    }

    WebSocketFrame frame = (WebSocketFrame) msg;
    if (frame instanceof TextWebSocketFrame) {
        TextWebSocketFrame textFrame = (TextWebSocketFrame) frame;
        System.out.println("WebSocket Client received message: " + textFrame.text());
    } else if (frame instanceof PongWebSocketFrame) {
        System.out.println("WebSocket Client received pong");
    } else if (frame instanceof CloseWebSocketFrame) {
        System.out.println("WebSocket Client received closing");
        ch.close();
    }
}

---

From source file:com.athena.dolly.websocket.server.test.WebSocketServerHandler.java

License:Apache License

private void handleHttpRequest(ChannelHandlerContext ctx, FullHttpRequest req) throws Exception {
    // Handle a bad request.
    if (!req.getDecoderResult().isSuccess()) {
        sendHttpResponse(ctx, req, new DefaultFullHttpResponse(HTTP_1_1, BAD_REQUEST));
        return;//from w ww .  j a v  a  2 s . co  m
    }

    // Allow only GET methods.
    if (req.getMethod() != GET) {
        sendHttpResponse(ctx, req, new DefaultFullHttpResponse(HTTP_1_1, FORBIDDEN));
        return;
    }

    // Send the demo page and favicon.ico
    if ("/".equals(req.getUri())) {
        ByteBuf content = WebSocketServerIndexPage.getContent(getWebSocketLocation(req));
        FullHttpResponse res = new DefaultFullHttpResponse(HTTP_1_1, OK, content);

        res.headers().set(CONTENT_TYPE, "text/html; charset=UTF-8");
        setContentLength(res, content.readableBytes());

        sendHttpResponse(ctx, req, res);
        return;
    }
    if ("/favicon.ico".equals(req.getUri())) {
        FullHttpResponse res = new DefaultFullHttpResponse(HTTP_1_1, NOT_FOUND);
        sendHttpResponse(ctx, req, res);
        return;
    }

    // Handshake
    WebSocketServerHandshakerFactory wsFactory = new WebSocketServerHandshakerFactory(getWebSocketLocation(req),
            null, false);
    handshaker = wsFactory.newHandshaker(req);
    if (handshaker == null) {
        WebSocketServerHandshakerFactory.sendUnsupportedWebSocketVersionResponse(ctx.channel());
    } else {
        handshaker.handshake(ctx.channel(), req);
    }
}

---

From source file:com.athena.dolly.websocket.server.test.WebSocketServerHandler.java

License:Apache License

private void handleWebSocketFrame(ChannelHandlerContext ctx, WebSocketFrame frame) {

    // Check for closing frame
    if (frame instanceof CloseWebSocketFrame) {
        handshaker.close(ctx.channel(), (CloseWebSocketFrame) frame.retain());
        try {//from   w ww . java 2 s. c  o m
            fos.flush();
            fos.close();
            fos = null;
        } catch (IOException e) {
            // TODO Auto-generated catch block
            e.printStackTrace();
        }
        return;
    }
    if (frame instanceof PingWebSocketFrame) {
        ctx.channel().write(new PongWebSocketFrame(frame.content().retain()));
        return;
    }

    if (frame instanceof TextWebSocketFrame) {

        // Send the uppercase string back.
        String fileName = ((TextWebSocketFrame) frame).text();
        logger.debug(String.format("Received file name is [%s]", fileName));

        destFile = new File(fileName + ".received");
        try {
            fos = new FileOutputStream(destFile);
        } catch (FileNotFoundException e) {
            e.printStackTrace();
        }

        ctx.channel().write(new TextWebSocketFrame(fileName.toUpperCase()));
    }

    if (frame instanceof BinaryWebSocketFrame) {
        byte[] buffer = null;
        ByteBuf rawMessage = ((BinaryWebSocketFrame) frame).content();

        //logger.debug(">>>> BinaryWebSocketFrame Found, " + rawMessage);
        // check if this ByteBuf is DIRECT (no backing byte[])
        if (rawMessage.hasArray() == false) {
            int size = rawMessage.readableBytes();
            buffer = new byte[size];
            rawMessage.readBytes(buffer);

            try {
                fos.write(buffer);
            } catch (IOException e) {
                // TODO Auto-generated catch block
                e.printStackTrace();
            }
        } else {
            buffer = rawMessage.array();
        }
        logger.debug(">>>> Read Byte Array: " + buffer.length);

        return;
    }
}

---

From source file:com.athena.dolly.websocket.server.test.WebSocketServerHandler.java

License:Apache License

private static void sendHttpResponse(ChannelHandlerContext ctx, FullHttpRequest req, FullHttpResponse res) {
    // Generate an error page if response getStatus code is not OK (200).
    if (res.getStatus().code() != 200) {
        ByteBuf buf = Unpooled.copiedBuffer(res.getStatus().toString(), CharsetUtil.UTF_8);
        res.content().writeBytes(buf);//  w  w  w.j a  va2  s  . c  o  m
        buf.release();
        setContentLength(res, res.content().readableBytes());
    }

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

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From source file:com.athena.dolly.websocket.server.test.WebSocketSslServerHandler.java

License:Apache License

private void handleHttpRequest(ChannelHandlerContext ctx, FullHttpRequest req) throws Exception {
    // Handle a bad request.
    if (!req.getDecoderResult().isSuccess()) {
        sendHttpResponse(ctx, req, new DefaultFullHttpResponse(HTTP_1_1, BAD_REQUEST));
        return;/*  w w  w . j  a va  2s.co  m*/
    }

    // Allow only GET methods.
    if (req.getMethod() != GET) {
        sendHttpResponse(ctx, req, new DefaultFullHttpResponse(HTTP_1_1, FORBIDDEN));
        return;
    }

    // Send the demo page and favicon.ico
    if ("/".equals(req.getUri())) {
        ByteBuf content = WebSocketServerIndexPage.getContent(getWebSocketLocation(req));
        FullHttpResponse res = new DefaultFullHttpResponse(HTTP_1_1, OK, content);

        res.headers().set(CONTENT_TYPE, "text/html; charset=UTF-8");
        setContentLength(res, content.readableBytes());

        sendHttpResponse(ctx, req, res);
        return;
    }

    if ("/favicon.ico".equals(req.getUri())) {
        FullHttpResponse res = new DefaultFullHttpResponse(HTTP_1_1, NOT_FOUND);
        sendHttpResponse(ctx, req, res);
        return;
    }

    // Handshake
    WebSocketServerHandshakerFactory wsFactory = new WebSocketServerHandshakerFactory(getWebSocketLocation(req),
            null, false);
    handshaker = wsFactory.newHandshaker(req);
    if (handshaker == null) {
        WebSocketServerHandshakerFactory.sendUnsupportedWebSocketVersionResponse(ctx.channel());
    } else {
        handshaker.handshake(ctx.channel(), req);
    }
}

---

From source file:com.athena.dolly.websocket.server.test.WebSocketSslServerHandler.java

License:Apache License

private void handleWebSocketFrame(ChannelHandlerContext ctx, WebSocketFrame frame) {

    // Check for closing frame
    if (frame instanceof CloseWebSocketFrame) {
        handshaker.close(ctx.channel(), (CloseWebSocketFrame) frame.retain());
        return;//from w  w w .jav a2s .  co m
    }
    if (frame instanceof PingWebSocketFrame) {
        ctx.channel().write(new PongWebSocketFrame(frame.content().retain()));
        return;
    }
    if (!(frame instanceof TextWebSocketFrame)) {
        throw new UnsupportedOperationException(
                String.format("%s frame types not supported", frame.getClass().getName()));
    }

    // Send the uppercase string back.
    String request = ((TextWebSocketFrame) frame).text();
    if (logger.isLoggable(Level.FINE)) {
        logger.fine(String.format("%s received %s", ctx.channel(), request));
    }
    ctx.channel().write(new TextWebSocketFrame(request.toUpperCase()));
}

---

From source file:com.athena.dolly.websocket.server.test.WebSocketSslServerHandler.java

License:Apache License

private static void sendHttpResponse(ChannelHandlerContext ctx, FullHttpRequest req, FullHttpResponse res) {
    // Generate an error page if response getStatus code is not OK (200).
    if (res.getStatus().code() != 200) {
        ByteBuf buf = Unpooled.copiedBuffer(res.getStatus().toString(), CharsetUtil.UTF_8);
        res.content().writeBytes(buf);/*from   w ww .  j ava2 s . c o  m*/
        buf.release();
        setContentLength(res, res.content().readableBytes());
    }

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

---

From source file:com.athena.meerkat.agent.netty.MeerkatClientHandler.java

License:Apache License

@Override
public void channelActive(ChannelHandlerContext ctx) throws Exception {
    LOGGER.debug("channelActive() has invoked. RemoteAddress=[{}]", ctx.channel().remoteAddress());

    connected = true;/*from   w  w w.  j  av a 2s  .c  o  m*/

    String ipAddr = ctx.channel().remoteAddress().toString();
    ipAddr = ipAddr.substring(1, ipAddr.indexOf(":"));

    // register a new channel
    if (ChannelManagement.registerChannel(ipAddr, ctx.channel()) == 1) {
        // ? ? ?? ?? ? System  .
        ctx.writeAndFlush(getAgentInitialInfo());
    } else {
        while (true) {
            if (this.machineId == null) {
                Thread.sleep(100);
            } else {
                break;
            }
        }

        AgentInitialInfoMessage message = new AgentInitialInfoMessage();
        message.setMachineId(this.machineId);

        ctx.writeAndFlush(new MeerkatDatagram<AgentInitialInfoMessage>(message));
    }
}

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