Example usage for io.netty.buffer Unpooled copiedBuffer

List of usage examples for io.netty.buffer Unpooled copiedBuffer

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Introduction

In this page you can find the example usage for io.netty.buffer Unpooled copiedBuffer.

Prototype

private static ByteBuf copiedBuffer(CharBuffer buffer, Charset charset)

Source Link

Usage

From source file:com.caricah.iotracah.server.httpserver.transform.IOTHttpTransformerImpl.java

License:Apache License

@Override
public FullHttpMessage toServerMessage(IOTMessage internalMessage) {

    JSONObject json = new JSONObject();

    switch (internalMessage.getMessageType()) {

    case AcknowledgeMessage.MESSAGE_TYPE:
        AcknowledgeMessage ackMsg = (AcknowledgeMessage) internalMessage;

        json.put("messageId", ackMsg.getMessageId());
        json.put("qos", ackMsg.getQos());
        json.put("message", "published");
        break;/*from  w w  w . j  a  va2s  .com*/
    case ConnectAcknowledgeMessage.MESSAGE_TYPE:
        ConnectAcknowledgeMessage conAck = (ConnectAcknowledgeMessage) internalMessage;

        json.put("sessionId", conAck.getSessionId());
        json.put("authKey", conAck.getAuthKey());
        json.put("message", conAck.getReturnCode().name());

        break;
    case SubscribeAcknowledgeMessage.MESSAGE_TYPE:
        SubscribeAcknowledgeMessage subAck = (SubscribeAcknowledgeMessage) internalMessage;

        json.put("message", "subscribed");
        final JSONArray jsonGrantedQos = new JSONArray();
        subAck.getGrantedQos().forEach(jsonGrantedQos::put);
        json.put("grantedQos", jsonGrantedQos);
        break;

    case UnSubscribeAcknowledgeMessage.MESSAGE_TYPE:
        UnSubscribeAcknowledgeMessage unSubAck = (UnSubscribeAcknowledgeMessage) internalMessage;
        json.put("message", "unsubscribed");

        break;
    case DisconnectMessage.MESSAGE_TYPE:

        DisconnectMessage discMsg = (DisconnectMessage) internalMessage;

        json.put("sessionId", discMsg.getSessionId());
        json.put("message", "disconnected");

        break;
    default:
        /**
         *
         * Internally these are not expected to get here.
         * In such cases we just return a null
         * and log this anomaly as a gross error.
         *
         **/

        json.put("message", "UnExpected outcome");
        break;
    }

    ByteBuf buffer = Unpooled.copiedBuffer(json.toString(), CharsetUtil.UTF_8);

    // Build the response object.
    FullHttpResponse httpResponse = new DefaultFullHttpResponse(HttpVersion.HTTP_1_1, HttpResponseStatus.OK,
            buffer);

    httpResponse.headers().set(HttpHeaderNames.CONTENT_TYPE, "application/json; charset=UTF-8");
    httpResponse.headers().setInt(HttpHeaderNames.CONTENT_LENGTH, buffer.readableBytes());
    return httpResponse;

}

From source file:com.cats.version.httpserver.HttpStaticFileServerHandler.java

License:Apache License

private static void sendListing(ChannelHandlerContext ctx, File dir) {
    FullHttpResponse response = new DefaultFullHttpResponse(HTTP_1_1, OK);
    response.headers().set(CONTENT_TYPE, "text/html; charset=UTF-8");

    String dirPath = dir.getPath();
    StringBuilder buf = new StringBuilder().append("<!DOCTYPE html>\r\n").append("<html><head><title>")
            .append("Listing of: ").append(dirPath).append("</title></head><body>\r\n")

            .append("<h3>Listing of: ").append(dirPath).append("</h3>\r\n")

            .append("<ul>").append("<li><a href=\"../\">..</a></li>\r\n");

    for (File f : dir.listFiles()) {
        if (f.isHidden() || !f.canRead()) {
            continue;
        }//from  w  w w .  j  av  a 2 s . c  o m

        String name = f.getName();
        if (!ALLOWED_FILE_NAME.matcher(name).matches()) {
            continue;
        }

        buf.append("<li><a href=\"").append(name).append("\">").append(name).append("</a></li>\r\n");
    }

    buf.append("</ul></body></html>\r\n");
    ByteBuf buffer = Unpooled.copiedBuffer(buf, CharsetUtil.UTF_8);
    response.content().writeBytes(buffer);
    buffer.release();

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

From source file:com.cats.version.httpserver.HttpStaticFileServerHandler.java

License:Apache License

private static void sendError(ChannelHandlerContext ctx, HttpResponseStatus status) {
    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.cats.version.httpserver.HttpStaticFileServerHandler.java

License:Apache License

public static void sendWarningInfo(ChannelHandlerContext ctx) {
    FullHttpResponse response = new DefaultFullHttpResponse(HTTP_1_1, OK);
    response.headers().set(CONTENT_TYPE, "text/html; charset=UTF-8");

    StringBuffer buf = new StringBuffer();
    buf.append("<!DOCTYPE html>\r\n<html>");
    buf.append("<br/><br/><br/><br/><br/><br/>");
    buf.append("<center><font size='5px'>");
    buf.append(//from w ww  . j ava 2  s .c om
            "Access denied, because this is version monitor service server</br></br> CTAS@Intel 2016~2026 All rights reserved");
    buf.append("</font></center>");
    buf.append("<html>");
    ByteBuf buffer = Unpooled.copiedBuffer(buf, CharsetUtil.UTF_8);
    response.content().writeBytes(buffer);
    buffer.release();
    // Close the connection as soon as the error message is sent.
    ctx.writeAndFlush(response).addListener(ChannelFutureListener.CLOSE);
}

From source file:com.cats.version.httpserver.msg.IMsgHandler.java

License:Apache License

public void sendMessageToClient(String strRsp, ChannelHandlerContext ctx) {
    if (null == strRsp) {
        return;/* w  w w  . j a  v a 2s  .com*/
    }
    FullHttpResponse response = new DefaultFullHttpResponse(HTTP_1_1, OK);
    response.headers().set(CONTENT_TYPE, "text/html; charset=UTF-8");

    ByteBuf buffer = Unpooled.copiedBuffer(strRsp, CharsetUtil.UTF_8);
    response.content().writeBytes(buffer);
    buffer.release();

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

From source file:com.changxx.phei.netty.protocol.udp.ChineseProverbServerHandler.java

License:Apache License

@Override
public void messageReceived(ChannelHandlerContext ctx, DatagramPacket packet) throws Exception {
    String req = packet.content().toString(CharsetUtil.UTF_8);
    System.out.println(req);//from  w  w  w .  ja  v a  2  s .  c  o  m
    if ("?".equals(req)) {
        ctx.writeAndFlush(new DatagramPacket(
                Unpooled.copiedBuffer(": " + nextQuote(), CharsetUtil.UTF_8),
                packet.sender()));
    }
}

From source file:com.cmz.http.file.HttpStaticFileServerHandler.java

License:Apache License

private static void sendListing(ChannelHandlerContext ctx, File dir, String dirPath) {
    FullHttpResponse response = new DefaultFullHttpResponse(HTTP_1_1, OK);
    response.headers().set(HttpHeaderNames.CONTENT_TYPE, "text/html; charset=UTF-8");

    StringBuilder buf = new StringBuilder().append("<!DOCTYPE html>\r\n")
            .append("<html><head><meta charset='utf-8' /><title>").append("Listing of: ").append(dirPath)
            .append("</title></head><body>\r\n")

            .append("<h3>Listing of: ").append(dirPath).append("</h3>\r\n")

            .append("<ul>").append("<li><a href=\"../\">..</a></li>\r\n");

    for (File f : dir.listFiles()) {
        if (f.isHidden() || !f.canRead()) {
            continue;
        }/*from  ww w  . j  av  a  2s .  c  om*/

        String name = f.getName();
        if (!ALLOWED_FILE_NAME.matcher(name).matches()) {
            continue;
        }

        buf.append("<li><a href=\"").append(name).append("\">").append(name).append("</a></li>\r\n");
    }

    buf.append("</ul></body></html>\r\n");
    ByteBuf buffer = Unpooled.copiedBuffer(buf, CharsetUtil.UTF_8);
    response.content().writeBytes(buffer);
    buffer.release();

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

From source file:com.cmz.http.snoop.HttpSnoopServerHandler.java

License:Apache License

private boolean writeResponse(HttpObject currentObj, ChannelHandlerContext ctx) {
    // Decide whether to close the connection or not.
    boolean keepAlive = HttpUtil.isKeepAlive(request);
    // Build the response object.
    FullHttpResponse response = new DefaultFullHttpResponse(HTTP_1_1,
            currentObj.decoderResult().isSuccess() ? OK : BAD_REQUEST,
            Unpooled.copiedBuffer(buf.toString(), CharsetUtil.UTF_8));

    response.headers().set(HttpHeaderNames.CONTENT_TYPE, "text/plain; charset=UTF-8");

    if (keepAlive) {
        // Add 'Content-Length' header only for a keep-alive connection.
        response.headers().setInt(HttpHeaderNames.CONTENT_LENGTH, response.content().readableBytes());
        // Add keep alive header as per:
        // - http://www.w3.org/Protocols/HTTP/1.1/draft-ietf-http-v11-spec-01.html#Connection
        response.headers().set(HttpHeaderNames.CONNECTION, HttpHeaderValues.KEEP_ALIVE);
    }//from   w ww  . ja va  2 s . c o  m

    // Encode the cookie.
    String cookieString = request.headers().get(HttpHeaderNames.COOKIE);
    if (cookieString != null) {
        Set<Cookie> cookies = ServerCookieDecoder.STRICT.decode(cookieString);
        if (!cookies.isEmpty()) {
            // Reset the cookies if necessary.
            for (Cookie cookie : cookies) {
                response.headers().add(HttpHeaderNames.SET_COOKIE, ServerCookieEncoder.STRICT.encode(cookie));
            }
        }
    } else {
        // Browser sent no cookie.  Add some.
        response.headers().add(HttpHeaderNames.SET_COOKIE, ServerCookieEncoder.STRICT.encode("key1", "value1"));
        response.headers().add(HttpHeaderNames.SET_COOKIE, ServerCookieEncoder.STRICT.encode("key2", "value2"));
    }

    // Write the response.
    ctx.write(response);

    return keepAlive;
}

From source file:com.cmz.http.websocketx.benchmarkserver.WebSocketServerBenchmarkPage.java

License:Apache License

public static ByteBuf getContent(String webSocketLocation) {
    return Unpooled.copiedBuffer(
            "<html><head><title>Web Socket Performance Test</title></head>" + NEWLINE + "<body>" + NEWLINE
                    + "<h2>WebSocket Performance Test</h2>" + NEWLINE + "<label>Connection Status:</label>"
                    + NEWLINE + "<label id=\"connectionLabel\"></label><br />" + NEWLINE +

                    "<form onsubmit=\"return false;\">" + NEWLINE + "Message size:"
                    + "<input type=\"text\" id=\"messageSize\" value=\"1024\"/><br>" + NEWLINE
                    + "Number of messages:" + "<input type=\"text\" id=\"nrMessages\" value=\"100000\"/><br>"
                    + NEWLINE + "Data Type:"
                    + "<input type=\"radio\" name=\"type\" id=\"typeText\" value=\"text\" checked>text"
                    + "<input type=\"radio\" name=\"type\" id=\"typeBinary\" value=\"binary\">binary<br>"
                    + NEWLINE + "Mode:<br>" + NEWLINE
                    + "<input type=\"radio\" name=\"mode\" id=\"modeSingle\" value=\"single\" checked>"
                    + "Wait for response after each messages<br>" + NEWLINE
                    + "<input type=\"radio\" name=\"mode\" id=\"modeAll\" value=\"all\">"
                    + "Send all messages and then wait for all responses<br>" + NEWLINE
                    + "<input type=\"checkbox\" id=\"verifiyResponses\">Verify responded messages<br>" + NEWLINE
                    + "<input type=\"button\" value=\"Start Benchmark\"" + NEWLINE
                    + "       onclick=\"startBenchmark()\" />" + NEWLINE + "<h3>Output</h3>" + NEWLINE
                    + "<textarea id=\"output\" style=\"width:500px;height:300px;\"></textarea>" + NEWLINE
                    + "<br>" + NEWLINE + "<input type=\"button\" value=\"Clear\" onclick=\"clearText()\">"
                    + NEWLINE + "</form>" + NEWLINE +

                    "<script type=\"text/javascript\">" + NEWLINE + "var benchRunning = false;" + NEWLINE
                    + "var messageSize = 0;" + NEWLINE + "var totalMessages = 0;" + NEWLINE
                    + "var rcvdMessages = 0;" + NEWLINE + "var isBinary = true;" + NEWLINE
                    + "var isSingle = true;" + NEWLINE + "var verifiyResponses = false;" + NEWLINE
                    + "var benchData = null;" + NEWLINE + "var startTime;" + NEWLINE + "var endTime;" + NEWLINE
                    + "var socket;" + NEWLINE + "var output = document.getElementById('output');" + NEWLINE
                    + "var connectionLabel = document.getElementById('connectionLabel');" + NEWLINE
                    + "if (!window.WebSocket) {" + NEWLINE + "  window.WebSocket = window.MozWebSocket;"
                    + NEWLINE + '}' + NEWLINE + "if (window.WebSocket) {" + NEWLINE
                    + "  socket = new WebSocket(\"" + webSocketLocation + "\");" + NEWLINE
                    + "  socket.binaryType = 'arraybuffer';" + NEWLINE
                    + "  socket.onmessage = function(event) {" + NEWLINE + "    if (verifiyResponses) {"
                    + NEWLINE + "        if (isBinary) {" + NEWLINE
                    + "            if (!(event.data instanceof ArrayBuffer) || " + NEWLINE
                    + "                  event.data.byteLength != benchData.byteLength) {" + NEWLINE
                    + "                onInvalidResponse(benchData, event.data);" + NEWLINE
                    + "                return;" + NEWLINE + "            } else {" + NEWLINE
                    + "                var v = new Uint8Array(event.data);" + NEWLINE
                    + "                for (var j = 0; j < benchData.byteLength; j++) {" + NEWLINE
                    + "                    if (v[j] != benchData[j]) {" + NEWLINE
                    + "                        onInvalidResponse(benchData, event.data);" + NEWLINE
                    + "                        return;" + NEWLINE + "                    }" + NEWLINE
                    + "                }" + NEWLINE + "            }" + NEWLINE + "        } else {" + NEWLINE
                    + "            if (event.data != benchData) {" + NEWLINE
                    + "                onInvalidResponse(benchData, event.data);" + NEWLINE
                    + "                return;" + NEWLINE + "            }" + NEWLINE + "        }" + NEWLINE
                    + "    }" + NEWLINE + "    rcvdMessages++;" + NEWLINE
                    + "    if (rcvdMessages == totalMessages) {" + NEWLINE + "        onFinished();" + NEWLINE
                    + "    } else if (isSingle) {" + NEWLINE + "        socket.send(benchData);" + NEWLINE
                    + "    }" + NEWLINE + "  };" + NEWLINE + "  socket.onopen = function(event) {" + NEWLINE
                    + "    connectionLabel.innerHTML = \"Connected\";" + NEWLINE + "  };" + NEWLINE
                    + "  socket.onclose = function(event) {" + NEWLINE + "    benchRunning = false;" + NEWLINE
                    + "    connectionLabel.innerHTML = \"Disconnected\";" + NEWLINE + "  };" + NEWLINE
                    + "} else {" + NEWLINE + "  alert(\"Your browser does not support Web Socket.\");" + NEWLINE
                    + '}' + NEWLINE + NEWLINE + "function onInvalidResponse(sent,recvd) {" + NEWLINE
                    + "    socket.close();" + NEWLINE
                    + "    alert(\"Error: Sent data did not match the received data!\");" + NEWLINE + "}"
                    + NEWLINE + NEWLINE + "function clearText() {" + NEWLINE + "    output.value=\"\";"
                    + NEWLINE + "}" + NEWLINE + NEWLINE + "function createBenchData() {" + NEWLINE
                    + "    if (isBinary) {" + NEWLINE + "        benchData = new Uint8Array(messageSize);"
                    + NEWLINE + "        for (var i=0; i < messageSize; i++) {" + NEWLINE
                    + "            benchData[i] += Math.floor(Math.random() * 255);" + NEWLINE + "        }"
                    + NEWLINE + "    } else { " + NEWLINE + "        benchData = \"\";" + NEWLINE
                    + "        for (var i=0; i < messageSize; i++) {" + NEWLINE
                    + "            benchData += String.fromCharCode(Math.floor(Math.random() * (123 - 65) + 65));"
                    + NEWLINE + "        }" + NEWLINE + "    }" + NEWLINE + "}" + NEWLINE + NEWLINE
                    + "function startBenchmark(message) {" + NEWLINE
                    + "  if (!window.WebSocket || benchRunning) { return; }" + NEWLINE
                    + "  if (socket.readyState == WebSocket.OPEN) {" + NEWLINE
                    + "    isBinary = document.getElementById('typeBinary').checked;" + NEWLINE
                    + "    isSingle = document.getElementById('modeSingle').checked;" + NEWLINE
                    + "    verifiyResponses = document.getElementById('verifiyResponses').checked;" + NEWLINE
                    + "    messageSize = parseInt(document.getElementById('messageSize').value);" + NEWLINE
                    + "    totalMessages = parseInt(document.getElementById('nrMessages').value);" + NEWLINE
                    + "    if (isNaN(messageSize) || isNaN(totalMessages)) return;" + NEWLINE
                    + "    createBenchData();" + NEWLINE
                    + "    output.value = output.value + '\\nStarting Benchmark';" + NEWLINE
                    + "    rcvdMessages = 0;" + NEWLINE + "    benchRunning = true;" + NEWLINE
                    + "    startTime = new Date();" + NEWLINE + "    if (isSingle) {" + NEWLINE
                    + "        socket.send(benchData);" + NEWLINE + "    } else {" + NEWLINE
                    + "        for (var i = 0; i < totalMessages; i++) socket.send(benchData);" + NEWLINE
                    + "    }" + NEWLINE + "  } else {" + NEWLINE + "    alert(\"The socket is not open.\");"
                    + NEWLINE + "  }" + NEWLINE + '}' + NEWLINE + NEWLINE + "function onFinished() {" + NEWLINE
                    + "    endTime = new Date();" + NEWLINE
                    + "    var duration = (endTime - startTime) / 1000.0;" + NEWLINE
                    + "    output.value = output.value + '\\nTest took: ' + duration + 's';" + NEWLINE
                    + "    var messagesPerS = totalMessages / duration;" + NEWLINE
                    + "    output.value = output.value + '\\nPerformance: ' + messagesPerS + ' Messages/s';"
                    + NEWLINE + "    output.value = output.value + ' in each direction';" + NEWLINE
                    + "    output.value = output.value + '\\nRound trip: ' + 1000.0/messagesPerS + 'ms';"
                    + NEWLINE + "    var throughput = messageSize * totalMessages / duration;" + NEWLINE
                    + "    var throughputText;" + NEWLINE
                    + "    if (isBinary) throughputText = throughput / (1024*1024) + ' MB/s';" + NEWLINE
                    + "    else throughputText = throughput / (1000*1000) + ' MChars/s';" + NEWLINE
                    + "    output.value = output.value + '\\nThroughput: ' + throughputText;" + NEWLINE
                    + "    output.value = output.value + ' in each direction';" + NEWLINE
                    + "    benchRunning = false;" + NEWLINE + "}" + NEWLINE + "</script>" + NEWLINE + "</body>"
                    + NEWLINE + "</html>" + NEWLINE,
            CharsetUtil.US_ASCII);//from   w w  w .  ja  v  a2  s. c  o m
}

From source file:com.codebullets.external.party.simulator.connections.websocket.inbound.NettyWebSocketServerHandler.java

License:Apache License

private static void sendHttpResponse(final ChannelHandlerContext ctx, final FullHttpRequest req,
        final FullHttpResponse res) {
    // Generate an error page if response getStatus code is not OK (200).
    if (res.getStatus().code() != HttpResponseStatus.OK.code()) {
        ByteBuf buf = Unpooled.copiedBuffer(res.getStatus().toString(), CharsetUtil.UTF_8);
        res.content().writeBytes(buf);//from   ww  w  .  ja  va2 s.c  om
        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() != HttpResponseStatus.OK.code()) {
        f.addListener(ChannelFutureListener.CLOSE);
    }
}