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Java ChannelBuffer.readableBytes方法代碼示例

本文整理匯總了Java中org.jboss.netty.buffer.ChannelBuffer.readableBytes方法的典型用法代碼示例。如果您正苦於以下問題：Java ChannelBuffer.readableBytes方法的具體用法？Java ChannelBuffer.readableBytes怎麽用？Java ChannelBuffer.readableBytes使用的例子？那麽, 這裏精選的方法代碼示例或許可以為您提供幫助。您也可以進一步了解該方法所在類org.jboss.netty.buffer.ChannelBuffer的用法示例。


在下文中一共展示了ChannelBuffer.readableBytes方法的15個代碼示例，這些例子默認根據受歡迎程度排序。您可以為喜歡或者感覺有用的代碼點讚，您的評價將有助於係統推薦出更棒的Java代碼示例。

示例1: parseLocalNodeDescriptors

import org.jboss.netty.buffer.ChannelBuffer; //導入方法依賴的package包/類
/**
 * Parse local node descriptors.
 *
 * @param cb ChannelBuffer
 * @param protocolId protocol identifier
 * @return object of this BGPNodeLSIdentifier
 * @throws BgpParseException while parsing local node descriptors
 */
public static BgpNodeLSIdentifier parseLocalNodeDescriptors(ChannelBuffer cb, byte protocolId)
        throws BgpParseException {
    log.debug("parse Local node descriptor");
    ChannelBuffer tempBuf = cb.copy();
    short type = cb.readShort();
    short length = cb.readShort();
    if (cb.readableBytes() < length) {
        throw new BgpParseException(BgpErrorType.UPDATE_MESSAGE_ERROR, BgpErrorType.OPTIONAL_ATTRIBUTE_ERROR,
                                    tempBuf.readBytes(cb.readableBytes() + Constants.TYPE_AND_LEN));
    }
    NodeDescriptors nodeDescriptors = new NodeDescriptors();
    ChannelBuffer tempCb = cb.readBytes(length);

    if (type == NodeDescriptors.LOCAL_NODE_DES_TYPE) {
        nodeDescriptors = NodeDescriptors.read(tempCb, length, type, protocolId);
    } else {
        throw new BgpParseException(BgpErrorType.UPDATE_MESSAGE_ERROR, BgpErrorType.MALFORMED_ATTRIBUTE_LIST, null);
    }
    return new BgpNodeLSIdentifier(nodeDescriptors);
}
開發者ID:shlee89，項目名稱:athena，代碼行數:29，代碼來源:BgpNodeLSIdentifier.java

示例2: read

import org.jboss.netty.buffer.ChannelBuffer; //導入方法依賴的package包/類
/**
 * Reads the BGP link attributes of Maximum link bandwidth.
 *
 * @param cb Channel buffer
 * @param type type of this tlv
 * @return object of type BgpLinkAttrMaxLinkBandwidth
 * @throws BgpParseException while parsing BgpLinkAttrMaxLinkBandwidth
 */
public static BgpLinkAttrMaxLinkBandwidth read(ChannelBuffer cb, short type)
        throws BgpParseException {
    float maxBandwidth;
    short lsAttrLength = cb.readShort();

    if ((lsAttrLength != MAX_BANDWIDTH_LEN)
            || (cb.readableBytes() < lsAttrLength)) {
        Validation.validateLen(BgpErrorType.UPDATE_MESSAGE_ERROR,
                               BgpErrorType.ATTRIBUTE_LENGTH_ERROR,
                               lsAttrLength);
    }

    maxBandwidth = ieeeToFloatRead(cb.readInt()) * NO_OF_BITS;

    return BgpLinkAttrMaxLinkBandwidth.of(maxBandwidth, type);
}
開發者ID:shlee89，項目名稱:athena，代碼行數:25，代碼來源:BgpLinkAttrMaxLinkBandwidth.java

示例3: decode

import org.jboss.netty.buffer.ChannelBuffer; //導入方法依賴的package包/類
@Override
protected Object decode(ChannelHandlerContext ctx, Channel channel, ChannelBuffer buf) throws Exception {

    // Check minimum length
    if (buf.readableBytes() < MESSAGE_MINIMUM_LENGTH) {
        return null;
    }

    // Check for sync packet
    if (buf.getUnsignedShort(buf.readerIndex()) == 0xFAF8) {
        ChannelBuffer syncMessage = buf.readBytes(8);
        if (channel != null) {
            channel.write(syncMessage);
        }
    }

    return super.decode(ctx, channel, buf);
}
開發者ID:bamartinezd，項目名稱:traccar-service，代碼行數:19，代碼來源:IntellitracFrameDecoder.java

示例4: readFrom

import org.jboss.netty.buffer.ChannelBuffer; //導入方法依賴的package包/類
/**
 * Reads from channel buffer and populate instance.
 *
 * @param channelBuffer channel buffer instance
 * @throws OspfParseException might throws exception while parsing buffer
 */
public void readFrom(ChannelBuffer channelBuffer) throws OspfParseException {

    try {
        byte[] tempByteArray = new byte[OspfUtil.FOUR_BYTES];
        channelBuffer.readBytes(tempByteArray, 0, OspfUtil.FOUR_BYTES);
        this.setNetworkMask(Ip4Address.valueOf(tempByteArray));
        //add all the attached routers
        while (channelBuffer.readableBytes() > 0) {
            tempByteArray = new byte[OspfUtil.FOUR_BYTES];
            channelBuffer.readBytes(tempByteArray, 0, OspfUtil.FOUR_BYTES);
            this.addAttachedRouter(Ip4Address.valueOf(tempByteArray));
        }
    } catch (Exception e) {
        log.debug("Error::NetworkLSA::readFrom:: {}", e.getMessage());
        throw new OspfParseException(OspfErrorType.OSPF_MESSAGE_ERROR, OspfErrorType.BAD_MESSAGE);
    }
}
開發者ID:shlee89，項目名稱:athena，代碼行數:24，代碼來源:NetworkLsa.java

示例5: readFrom

import org.jboss.netty.buffer.ChannelBuffer; //導入方法依賴的package包/類
@Override
public void readFrom(ChannelBuffer channelBuffer) throws OspfParseException {

    while (channelBuffer.readableBytes() >= OspfUtil.LSREQUEST_LENGTH) {
        LsRequestPacket lsRequestPacket = new LsRequestPacket();
        lsRequestPacket.setLsType(channelBuffer.readInt());
        byte[] tempByteArray = new byte[OspfUtil.FOUR_BYTES];
        channelBuffer.readBytes(tempByteArray, 0, OspfUtil.FOUR_BYTES);
        lsRequestPacket.setLinkStateId(Ip4Address.valueOf(tempByteArray).toString());
        tempByteArray = new byte[OspfUtil.FOUR_BYTES];
        channelBuffer.readBytes(tempByteArray, 0, OspfUtil.FOUR_BYTES);
        lsRequestPacket.setOwnRouterId(Ip4Address.valueOf(tempByteArray).toString());

        this.addLinkStateRequests(lsRequestPacket);
    }
}
開發者ID:shlee89，項目名稱:athena，代碼行數:17，代碼來源:LsRequest.java

示例6: decode

import org.jboss.netty.buffer.ChannelBuffer; //導入方法依賴的package包/類
@Override
protected Object decode(ChannelHandlerContext ctx, Channel channel, ChannelBuffer buf) throws Exception {

    if (buf.readableBytes() < MESSAGE_MINIMUM_LENGTH) {
        return null;
    }

    if (buf.getUnsignedShort(buf.readerIndex()) == 0xFAF8) {
        ChannelBuffer heartbeat = buf.readBytes(12);
        if (channel != null) {
            channel.write(heartbeat);
        }
    }

    return super.decode(ctx, channel, buf);
}
開發者ID:bamartinezd，項目名稱:traccar-service，代碼行數:17，代碼來源:AlematicsFrameDecoder.java

示例7: read

import org.jboss.netty.buffer.ChannelBuffer; //導入方法依賴的package包/類
/**
 * Reads the Opaque Prefix Attribute.
 *
 * @param cb ChannelBuffer
 * @return object of BgpPrefixAttrOpaqueData
 * @throws BgpParseException while parsing BgpPrefixAttrOpaqueData
 */
public static BgpPrefixAttrOpaqueData read(ChannelBuffer cb)
        throws BgpParseException {
    byte[] opaquePrefixAttribute;

    short lsAttrLength = cb.readShort();
    opaquePrefixAttribute = new byte[lsAttrLength];

    if (cb.readableBytes() < lsAttrLength) {
        Validation.validateLen(BgpErrorType.UPDATE_MESSAGE_ERROR,
                               BgpErrorType.ATTRIBUTE_LENGTH_ERROR,
                               lsAttrLength);
    }

    cb.readBytes(opaquePrefixAttribute);

    return BgpPrefixAttrOpaqueData.of(opaquePrefixAttribute);
}
開發者ID:shlee89，項目名稱:athena，代碼行數:25，代碼來源:BgpPrefixAttrOpaqueData.java

示例8: start

import org.jboss.netty.buffer.ChannelBuffer; //導入方法依賴的package包/類
private Status start(ChannelBuffer buffer, boolean last) {
    logger.trace("start blob upload");
    assert (transferId == null);
    StartBlobRequest request = new StartBlobRequest(
            index,
            Hex.decodeHex(digest),
            new BytesArray(buffer.array()),
            last
    );
    transferId = request.transferId();
    size += buffer.readableBytes();

    startResponse = client.execute(StartBlobAction.INSTANCE, request).actionGet();
    status = startResponse.status();
    return status;
}
開發者ID:baidu，項目名稱:Elasticsearch，代碼行數:17，代碼來源:RemoteDigestBlob.java

示例9: decode

import org.jboss.netty.buffer.ChannelBuffer; //導入方法依賴的package包/類
@Override
protected Object decode(ChannelHandlerContext ctx, Channel channel, ChannelBuffer buffer)
        throws Exception {

    if (!channel.isConnected()) {
        return null;
    }

    if (buffer.readableBytes() < FpmHeader.FPM_HEADER_LENGTH) {
        return null;
    }

    buffer.markReaderIndex();

    short version = buffer.readUnsignedByte();
    short type = buffer.readUnsignedByte();
    int length = buffer.readUnsignedShort();

    buffer.resetReaderIndex();

    if (buffer.readableBytes() < length) {
        // Not enough bytes to read a whole message
        return null;
    }

    byte[] fpmMessage = new byte[length];
    buffer.readBytes(fpmMessage);

    return FpmHeader.decode(fpmMessage, 0, fpmMessage.length);
}
開發者ID:shlee89，項目名稱:athena，代碼行數:31，代碼來源:FpmFrameDecoder.java

示例10: readFrom

import org.jboss.netty.buffer.ChannelBuffer; //導入方法依賴的package包/類
@Override
public void readFrom(ChannelBuffer channelBuffer) {
    this.setAdjacencyType(channelBuffer.readByte());
    this.setLocalCircuitId(channelBuffer.readInt());
    if (channelBuffer.readableBytes() > 0) {
        byte[] tempByteArray = new byte[IsisUtil.ID_SIX_BYTES];
        channelBuffer.readBytes(tempByteArray, 0, IsisUtil.ID_SIX_BYTES);
        this.setNeighborSystemId(IsisUtil.systemId(tempByteArray));
        this.setNeighborLocalCircuitId(channelBuffer.readInt());
    }
}
開發者ID:shlee89，項目名稱:athena，代碼行數:12，代碼來源:AdjacencyStateTlv.java

示例11: readFrom

import org.jboss.netty.buffer.ChannelBuffer; //導入方法依賴的package包/類
@Override
public PcepReportMsg readFrom(ChannelBuffer cb) throws PcepParseException {

    if (cb.readableBytes() < PACKET_MINIMUM_LENGTH) {
        throw new PcepParseException("Received packet size " + cb.readableBytes()
                + " is less than the expected size: " + PACKET_MINIMUM_LENGTH);
    }
    llStateReportList = new LinkedList<>();
    byte version = cb.readByte();
    version = (byte) (version >> PcepMessageVer1.SHIFT_FLAG);

    if (version != PACKET_VERSION) {
        throw new PcepParseException(" Invalid version: " + version);
    }

    byte type = cb.readByte();

    if (type != MSG_TYPE.getType()) {
        throw new PcepParseException("Unexpected type: " + type);
    }

    short length = cb.readShort();

    if (length < PACKET_MINIMUM_LENGTH) {
        throw new PcepParseException("Wrong length. Expected to be >= " + PACKET_MINIMUM_LENGTH + ", was: "
                + length);
    }
    // parse state report list
    parseStateReportList(cb);
    return new PcepReportMsgVer1(llStateReportList);
}
開發者ID:shlee89，項目名稱:athena，代碼行數:32，代碼來源:PcepReportMsgVer1.java

示例12: decode

import org.jboss.netty.buffer.ChannelBuffer; //導入方法依賴的package包/類
@Override
protected Object decode(
        ChannelHandlerContext ctx, Channel channel, ChannelBuffer buf) throws Exception {

    // Skip Alive message
    while (buf.readable() && Character.isDigit(buf.getByte(buf.readerIndex()))) {
        buf.readByte();
    }

    // Check minimum length
    if (buf.readableBytes() < 11) {
        return null;
    }

    // Read flags
    int version = buf.getUnsignedByte(buf.readerIndex() + 1);
    int offset = 1 + 1 + 3;
    if ((version & 0x80) != 0) {
        offset += 4;
    }

    // Get data length
    int length = buf.getUnsignedShort(buf.readerIndex() + offset);
    offset += 2;
    if ((version & 0x40) != 0) {
        offset += 3;
    }
    length += offset; // add header

    // Return buffer
    if (buf.readableBytes() >= length) {
        return buf.readBytes(length);
    }

    return null;
}
開發者ID:bamartinezd，項目名稱:traccar-service，代碼行數:37，代碼來源:AplicomFrameDecoder.java

示例13: parseRPList

import org.jboss.netty.buffer.ChannelBuffer; //導入方法依賴的package包/類
/**
 * Parse RP List from the channel buffer.
 *
 * @param cb of type channel buffer
 * @throws PcepParseException if mandatory fields are missing
 */
public void parseRPList(ChannelBuffer cb) throws PcepParseException {
    byte yObjClass;
    byte yObjType;

    rpObjList = new LinkedList<>();

    // caller should verify for RP object
    if (cb.readableBytes() < OBJECT_HEADER_LENGTH) {
        log.debug("Unable to find RP Object");
        return;
    }

    cb.markReaderIndex();
    PcepObjectHeader tempObjHeader = PcepObjectHeader.read(cb);
    cb.resetReaderIndex();
    yObjClass = tempObjHeader.getObjClass();
    yObjType = tempObjHeader.getObjType();
    PcepRPObject rpObj;
    while ((yObjClass == PcepRPObjectVer1.RP_OBJ_CLASS) && (yObjType == PcepRPObjectVer1.RP_OBJ_TYPE)) {
        rpObj = PcepRPObjectVer1.read(cb);
        rpObjList.add(rpObj);

        if (cb.readableBytes() > OBJECT_HEADER_LENGTH) {
            cb.markReaderIndex();
            tempObjHeader = PcepObjectHeader.read(cb);
            cb.resetReaderIndex();
            yObjClass = tempObjHeader.getObjClass();
            yObjType = tempObjHeader.getObjType();
        } else {
            break;
        }
    }
}
開發者ID:shlee89，項目名稱:athena，代碼行數:40，代碼來源:PcepErrorVer1.java

示例14: processBgpKeepalive

import org.jboss.netty.buffer.ChannelBuffer; //導入方法依賴的package包/類
/**
 * Processes BGP KEEPALIVE message.
 *
 * @param ctx the Channel Handler Context.
 * @param message the message to process.
 */
private void processBgpKeepalive(ChannelHandlerContext ctx,
                                 ChannelBuffer message) {
    if (message.readableBytes() + BgpConstants.BGP_HEADER_LENGTH !=
        BgpConstants.BGP_KEEPALIVE_EXPECTED_LENGTH) {
        // ERROR: Bad Message Length. Close the channel.
        ctx.getChannel().close();
        return;
    }
    // BGP KEEPALIVE message successfully received
    receivedKeepaliveMessageLatch.countDown();
}
開發者ID:shlee89，項目名稱:athena，代碼行數:18，代碼來源:TestBgpPeerFrameDecoder.java

示例15: readFrom

import org.jboss.netty.buffer.ChannelBuffer; //導入方法依賴的package包/類
/**
 * Reads from the channel buffer and populate this instance.
 *
 * @param channelBuffer channel buffer instance
 */
public void readFrom(ChannelBuffer channelBuffer) {
    byte[] tempByteArray = new byte[IsisUtil.ID_PLUS_ONE_BYTE];
    channelBuffer.readBytes(tempByteArray, 0, IsisUtil.ID_PLUS_ONE_BYTE);
    this.setNeighborId(IsisUtil.systemIdPlus(tempByteArray));
    this.setMetric(channelBuffer.readUnsignedMedium());
    int nTlvPresent = channelBuffer.readByte();
    if (nTlvPresent > 0) {
        while (channelBuffer.readableBytes() > IsisUtil.TWO_BYTES) {
            TlvHeader tlvHeader = new TlvHeader();
            tlvHeader.setTlvType(channelBuffer.readByte());
            tlvHeader.setTlvLength(channelBuffer.readByte());
            SubTlvType tlvValue = SubTlvType.get(tlvHeader.tlvType());
            int tlvLength = tlvHeader.tlvLength();
            if (tlvValue != null) {
                if (channelBuffer.readableBytes() >= tlvLength) {
                    TrafficEngineeringSubTlv subTlv =
                            SubTlvFinder.findSubTlv(tlvHeader, channelBuffer.readBytes(tlvHeader.tlvLength()));
                    if (subTlv != null) {
                        this.addSubTlv(subTlv);
                    }
                }
            } else {
                if (channelBuffer.readableBytes() >= tlvLength) {
                    channelBuffer.readBytes(tlvLength);
                }
            }
        }
    }
}
開發者ID:shlee89，項目名稱:athena，代碼行數:35，代碼來源:NeighborForExtendedIs.java


注：本文中的org.jboss.netty.buffer.ChannelBuffer.readableBytes方法示例由純淨天空整理自Github/MSDocs等開源代碼及文檔管理平台，相關代碼片段篩選自各路編程大神貢獻的開源項目，源碼版權歸原作者所有，傳播和使用請參考對應項目的License；未經允許，請勿轉載。