Example usage for io.netty.buffer ByteBuf toString

Introduction

In this page you can find the example usage for io.netty.buffer ByteBuf toString.

Prototype

public abstract String toString(Charset charset);

Source Link

Document

Decodes this buffer's readable bytes into a string with the specified character set name.

Usage

From source file:com.heliosapm.streams.metrichub.HubManager.java

License:Apache License

public RequestCompletion evaluate(final QueryContext queryContext, final RequestBuilder requestBuilder,
        final String expression) {
    try {/*  w  ww  . ja v a  2 s . c  o m*/
        final JsonGenerator jg = requestBuilder.renderHeader();
        final ChannelPool pool = channelPool();
        final Channel channel = pool.acquire().get();
        final CompletableFuture<RequestCompletion> completionFuture = new CompletableFuture<RequestCompletion>();

        evaluate(queryContext, expression).flush().consume(lmt -> {
            final RequestCompletion rc = new RequestCompletion(queryContext.getTimeout(), pool);
            if (channel.pipeline().get("completion") != null) {
                try {
                    channel.pipeline().remove("completion");
                } catch (Exception ex) {
                }
            }
            channel.pipeline().addLast("completion", rc);
            completionFuture.complete(rc);
            final ByteBuf bb = requestBuilder.merge(jg, lmt);
            if (log.isDebugEnabled())
                log.debug("CREQUEST:\n{}", bb.toString(UTF8));
            final HttpRequest httpRequest = buildHttpRequest(bb);
            log.info("Flushed request. Size: {} bytes", bb.readableBytes());
            channel.writeAndFlush(httpRequest);
        });
        return completionFuture.get();
    } catch (Exception ex) {
        throw new RuntimeException("eval error", ex);
    }
}

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From source file:com.heliosapm.streams.metrichub.RequestBuilder.java

License:Apache License

public ByteBuf merge(final JsonGenerator jg, final List<TSMeta> metas) {
    merges++;/*from   w  w w . j a v a2  s  .c om*/
    final ByteBufOutputStream os = (ByteBufOutputStream) jg.getOutputTarget();
    final ByteBuf buff = os.buffer();
    //System.err.println("MetaBatch:" + metas.size() + ", Merges:" + merges);
    try {
        int cnt = 0;
        for (final TSMeta tsMeta : metas) {
            if (tsMeta == null)
                continue;
            jg.writeStartObject(); // start of query
            jg.writeStringField("aggregator", aggregator.name().toLowerCase());
            if (rateOptions != null) {
                jg.writeStringField("rate", "true"); // FIXME
            }
            if (downSampling != null) {
                jg.writeStringField("downsample", downSampling);
            }

            jg.writeArrayFieldStart("tsuids");
            jg.writeString(tsMeta.getTSUID());
            jg.writeEndArray(); // end of tsuids
            jg.writeEndObject(); // end of query
            cnt++;
        } // end of TSMetas
        log.info("Wrote {} TSDUID Queries", cnt);
        jg.writeEndArray(); // end of queries array
        jg.writeEndObject(); // end of request
        jg.flush();
        os.flush();
        jg.close();
        os.close();
        log.info("TSDB Request:\n{}", buff.toString(UTF8));
        return buff;
    } catch (Exception ex) {
        throw new RuntimeException(ex);
    }
}

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From source file:com.heliosapm.streams.metrichub.serialization.JSONChannelBufferSerializer.java

License:Apache License

/**
 * {@inheritDoc}// www.j  a  va  2s.  c o  m
 * @see com.fasterxml.jackson.databind.JsonSerializer#serialize(java.lang.Object, com.fasterxml.jackson.core.JsonGenerator, com.fasterxml.jackson.databind.SerializerProvider)
 * FIXME: Need a way to stream the data in the ChannelBuffer as converting to a byte[] or String will scorch heap usage.
 */
@Override
public void serialize(Object value, JsonGenerator jgen, SerializerProvider provider)
        throws IOException, JsonProcessingException {
    if (value instanceof ByteBuf) {
        ByteBuf buff = (ByteBuf) value;
        System.err.println(buff.toString(UTF8_CHARSET));
        jgen.writeString(buff.toString(UTF8_CHARSET));
        buff.clear();
    } else {
        provider.defaultSerializeValue(value, jgen);
    }
}

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From source file:com.heliosapm.streams.onramp.StringMetricHandler.java

License:Apache License

/**
 * {@inheritDoc}/*from   w ww . j  a  v a2  s. co m*/
 * @see io.netty.channel.SimpleChannelInboundHandler#channelRead0(io.netty.channel.ChannelHandlerContext, java.lang.Object)
 */
@Override
protected void channelRead0(final ChannelHandlerContext ctx, final ByteBuf msg) throws Exception {
    final String v = msg.toString(UTF8).toLowerCase();
    try {
        final StreamedMetricValue smv;
        if (v.indexOf("put ") == 0) {
            // it's a put command, telnet style:  put <metric-name> <timestamp> <value> <tag1=value1>...<tagn=valuen>
            smv = StreamedMetricValue.fromOpenTSDBString(v);
        } else {
            // It's a stringed StreamedMetricValue: [<value-type>,]<timestamp>, [<value>,] <metric-name>, <host>, <app> [,<tagkey1>=<tagvalue1>,<tagkeyn>=<tagvaluen>]
            smv = StreamedMetricValue.fromString(v).forValue();
        }
        log.debug("Ingested UDP Metric: [{}]", smv);
        mf.send(smv);
    } catch (Exception ex) {
        log.error("Failed to handle metric text line: [{}]", v, ex);
    }
}

---

From source file:com.heliosapm.streams.onramp.TextLineRpcHandler.java

License:Apache License

/**
 * {@inheritDoc}/*from  w w w . j av a2 s  .c o m*/
 * @see io.netty.handler.codec.MessageToMessageDecoder#decode(io.netty.channel.ChannelHandlerContext, java.lang.Object, java.util.List)
 */
@Override
protected void decode(final ChannelHandlerContext ctx, final ByteBuf buff, final List<Object> out)
        throws Exception {
    final String v = buff.toString(UTF8);
    log.debug("Received Message: [{}]", v);
    mf.send(v);
    out.add(buff.retain());
}

---

From source file:com.heliosapm.tsdblite.handlers.json.SplitMetaInputHandler.java

License:Apache License

@Override
protected void channelRead0(final ChannelHandlerContext ctx, final ByteBuf msg) throws Exception {
    log.info(msg.toString(UTF8));
    //      if(log.isTraceEnabled()) {
    //         log.trace(msg.toString(UTF8));
    //      }      
    //      metricCache.submit(
    //            JSON.parseToObject(msg, Trace.class)
    //      );/*w  w w . j  a va 2s  . c o m*/
}

---

From source file:com.heliosapm.tsdblite.handlers.json.SplitTraceInputHandler.java

License:Apache License

@Override
protected void channelRead0(final ChannelHandlerContext ctx, final ByteBuf msg) throws Exception {
    if (log.isTraceEnabled()) {
        log.trace(msg.toString(UTF8));
    }//from   w ww.ja  va 2  s . c  o  m
    //log.info(msg.toString(UTF8));
    final JsonNode node = JSON.parseToNode(msg, UTF8);

    if (node.has("metric")) {
        if (node.has("timestamp")) {
            metricCache.submit(JSON.parseToObject(node, Trace.class));
        }
    } else if (node.has("Metric")) {
        //         final ObjectName on = metaObjectName(node);
        //         final String name = metaObject(node);
        //         final Map<String, String> metaNvps = JSON.from(node);
        System.out.println(JSON.serializeToString(node));
        //         log.info("META: [{}] : [{}]", name, metaNvps);
        //         if(on!=null) {         
        //            metricCache.submit(on, metaNvps.get("Name"), metaNvps.get("Value"));
        //         }
    }
    FullHttpResponse response = new DefaultFullHttpResponse(HTTP_1_1, HttpResponseStatus.NO_CONTENT);
    ctx.writeAndFlush(response);

    //HTTP_1_1, status, Unpooled.copiedBuffer("Failure: " + status + "\r\n", CharsetUtil.UTF_8));
    // response.headers().set(HttpHeaderNames.CONTENT_TYPE, "text/plain; charset=UTF-8");             
}

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From source file:com.heliosapm.tsdblite.handlers.text.WordSplitter.java

License:Apache License

/**
 * {@inheritDoc}/*  w ww.  j  a va 2 s  .co  m*/
 * @see io.netty.handler.codec.MessageToMessageDecoder#decode(io.netty.channel.ChannelHandlerContext, java.lang.Object, java.util.List)
 */
@Override
protected void decode(final ChannelHandlerContext ctx, final ByteBuf msg, final List<Object> out)
        throws Exception {
    out.add(splitString(msg.toString(CHARSET), ' '));
}

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From source file:com.heliosapm.webrpc.serialization.JSONChannelBufferSerializer.java

License:Apache License

/**
 * {@inheritDoc}/* ww  w  .  j  a  va 2 s .  c  om*/
 * @see com.fasterxml.jackson.databind.JsonSerializer#serialize(java.lang.Object, com.fasterxml.jackson.core.JsonGenerator, com.fasterxml.jackson.databind.SerializerProvider)
 * FIXME: Need a way to stream the data in the ChannelBuffer as converting to a byte[] or String will scorch heap usage.
 */
@Override
public void serialize(Object value, JsonGenerator jgen, SerializerProvider provider)
        throws IOException, JsonProcessingException {
    if (value instanceof ByteBuf) {
        ByteBuf buff = (ByteBuf) value;
        //System.err.println(buff.toString(UTF8_CHARSET));         
        jgen.writeString(buff.toString(UTF8_CHARSET));
        buff.clear();
    } else {
        provider.defaultSerializeValue(value, jgen);
    }
}

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From source file:com.hzmsc.scada.Jmtis.server.HttpHelloWorldServerHandler.java

License:Apache License

@Override
public void channelRead(ChannelHandlerContext ctx, Object msg) {
    if (msg instanceof HttpRequest) {
        HttpRequest req = (HttpRequest) msg;
        System.out.println(req);/*w ww.ja  v a 2  s. c o  m*/

        if (HttpUtil.is100ContinueExpected(req)) {
            ctx.write(new DefaultFullHttpResponse(HTTP_1_1, CONTINUE));
        }
        boolean keepAlive = HttpUtil.isKeepAlive(req);
        FullHttpResponse response = new DefaultFullHttpResponse(HTTP_1_1, OK, Unpooled.wrappedBuffer(CONTENT));
        response.headers().set(CONTENT_TYPE, "text/plain");
        response.headers().setInt(CONTENT_LENGTH, response.content().readableBytes());

        if (!keepAlive) {
            ctx.write(response).addListener(ChannelFutureListener.CLOSE);
        } else {
            response.headers().set(CONNECTION, KEEP_ALIVE);
            ctx.write(response);
        }
    }
    if (msg instanceof HttpContent) {
        HttpContent content = (HttpContent) msg;
        ByteBuf buf = content.content();
        System.out.println(buf.toString(io.netty.util.CharsetUtil.UTF_8));
        buf.release();
        System.out.println(ChannelMap.channelMap);
        Channel channel = ChannelMap.channelMap.get("null0");
        if (channel != null) {

            System.out.println(channel.id().asLongText());
            JmtisMsg jmtisMsg = new JmtisMsg("clientCompany", (short) 1, (short) 1, (short) 1, (short) 1,
                    new int[] { 1, 2, 3, 4, 5 });
            //System.out.println(jmtisMsg);
            System.out.println(ctx.channel().id().asLongText());
            channel.writeAndFlush(jmtisMsg);
            channel.write(jmtisMsg);
            channel.flush();
        } else {
            System.out.println("there is no active channel.......");
        }
        //JmtisMsg jmtisMsg = new JmtisMsg("clientCompany", (short)1, (short)1, (short)1, (short)1, new int[]{1, 2, 3, 4, 5});
        //System.out.println(jmtisMsg);
        //channel.write(jmtisMsg);

    }
}

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