Package org.apache.pulsar.proxy.server

Class ProxyConnection

java.lang.Object
io.netty.channel.ChannelHandlerAdapter
io.netty.channel.ChannelInboundHandlerAdapter
org.apache.pulsar.common.protocol.PulsarDecoder
org.apache.pulsar.common.protocol.PulsarHandler
org.apache.pulsar.proxy.server.ProxyConnection
All Implemented Interfaces:
io.netty.channel.ChannelHandler, io.netty.channel.ChannelInboundHandler
public class ProxyConnection extends org.apache.pulsar.common.protocol.PulsarHandler
Handles incoming discovery request from client and sends appropriate response back to client.

  • Nested Class Summary

    Nested classes/interfaces inherited from interface io.netty.channel.ChannelHandler

    io.netty.channel.ChannelHandler.Sharable

  • Field Summary

    Fields
    Modifier and Type
    Field
    Description
    protected static final Integer
    SPLICE_BYTES
     

    Fields inherited from class org.apache.pulsar.common.protocol.PulsarHandler

    ctx, remoteAddress

    Fields inherited from class org.apache.pulsar.common.protocol.PulsarDecoder

    proxyMessage

  • Constructor Summary

    Constructors
    Constructor
    Description
    ProxyConnection(ProxyService proxyService, io.netty.resolver.dns.DnsAddressResolverGroup dnsAddressResolverGroup)
     

  • Method Summary

    Modifier and Type
    Method
    Description
    void
    brokerConnected(DirectProxyHandler directProxyHandler, org.apache.pulsar.common.api.proto.CommandConnected connected)
     
    void
    channelActive(io.netty.channel.ChannelHandlerContext ctx)
     
    void
    channelInactive(io.netty.channel.ChannelHandlerContext ctx)
     
    void
    channelRead(io.netty.channel.ChannelHandlerContext ctx, Object msg)
     
    void
    channelRegistered(io.netty.channel.ChannelHandlerContext ctx)
     
    void
    channelUnregistered(io.netty.channel.ChannelHandlerContext ctx)
     
    void
    channelWritabilityChanged(io.netty.channel.ChannelHandlerContext ctx)
     
    void
    exceptionCaught(io.netty.channel.ChannelHandlerContext ctx, Throwable cause)
     
    org.apache.pulsar.client.api.Authentication
    getClientAuthentication()
     
    io.netty.handler.codec.haproxy.HAProxyMessage
    getHAProxyMessage()
     
    protected void
    handleAuthResponse(org.apache.pulsar.common.api.proto.CommandAuthResponse authResponse)
     
    protected void
    handleConnect(org.apache.pulsar.common.api.proto.CommandConnect connect)
     
    protected void
    handleGetSchema(org.apache.pulsar.common.api.proto.CommandGetSchema commandGetSchema)
     
    protected void
    handleGetTopicsOfNamespace(org.apache.pulsar.common.api.proto.CommandGetTopicsOfNamespace commandGetTopicsOfNamespace)
     
    protected void
    handleLookup(org.apache.pulsar.common.api.proto.CommandLookupTopic lookup)
    handles discovery request from client ands sends next active broker address.
    protected void
    handlePartitionMetadataRequest(org.apache.pulsar.common.api.proto.CommandPartitionedTopicMetadata partitionMetadata)
     
    boolean
    hasHAProxyMessage()
     
    protected boolean
    isHandshakeCompleted()
     
    protected static boolean
    isTlsChannel(io.netty.channel.Channel channel)
     
    protected static io.netty.channel.ChannelPromise
    spliceNIC2NIC(io.netty.channel.epoll.EpollSocketChannel inboundChannel, io.netty.channel.epoll.EpollSocketChannel outboundChannel, int spliceLength)
    Use splice to zero-copy of NIC to NIC.

    Methods inherited from class org.apache.pulsar.common.protocol.PulsarHandler

    cancelKeepAliveTask, getRemoteEndpointProtocolVersion, handlePing, handlePong, messageReceived, sendPing, setRemoteEndpointProtocolVersion

    Methods inherited from class org.apache.pulsar.common.protocol.PulsarDecoder

    handleAck, handleAckResponse, handleActiveConsumerChange, handleAddPartitionToTxn, handleAddPartitionToTxnResponse, handleAddSubscriptionToTxn, handleAddSubscriptionToTxnResponse, handleAuthChallenge, handleCloseConsumer, handleCloseProducer, handleCommandWatchTopicList, handleCommandWatchTopicListClose, handleCommandWatchTopicListSuccess, handleCommandWatchTopicUpdate, handleConnected, handleConsumerStats, handleConsumerStatsResponse, handleEndTxn, handleEndTxnOnPartition, handleEndTxnOnPartitionResponse, handleEndTxnOnSubscription, handleEndTxnOnSubscriptionResponse, handleEndTxnResponse, handleError, handleFlow, handleGetLastMessageId, handleGetLastMessageIdSuccess, handleGetOrCreateSchema, handleGetOrCreateSchemaResponse, handleGetSchemaResponse, handleGetTopicsOfNamespaceSuccess, handleLookupResponse, handleMessage, handleNewTxn, handleNewTxnResponse, handlePartitionResponse, handleProducer, handleProducerSuccess, handleReachedEndOfTopic, handleRedeliverUnacknowledged, handleSeek, handleSend, handleSendError, handleSendReceipt, handleSubscribe, handleSuccess, handleTcClientConnectRequest, handleTcClientConnectResponse, handleUnsubscribe, interceptCommand

    Methods inherited from class io.netty.channel.ChannelInboundHandlerAdapter

    channelReadComplete, userEventTriggered

    Methods inherited from class io.netty.channel.ChannelHandlerAdapter

    ensureNotSharable, handlerAdded, handlerRemoved, isSharable

    Methods inherited from class java.lang.Object

    clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

    Methods inherited from interface io.netty.channel.ChannelHandler

    handlerAdded, handlerRemoved

  • Field Details

    • SPLICE_BYTES

      protected static final Integer SPLICE_BYTES

  • Constructor Details

    • ProxyConnection

      public ProxyConnection(ProxyService proxyService, io.netty.resolver.dns.DnsAddressResolverGroup dnsAddressResolverGroup)

  • Method Details

    • channelRegistered

      public void channelRegistered(io.netty.channel.ChannelHandlerContext ctx) throws Exception
      Specified by:
      channelRegistered in interface io.netty.channel.ChannelInboundHandler
      Overrides:
      channelRegistered in class io.netty.channel.ChannelInboundHandlerAdapter
      Throws:
      Exception

    • channelUnregistered

      public void channelUnregistered(io.netty.channel.ChannelHandlerContext ctx) throws Exception
      Specified by:
      channelUnregistered in interface io.netty.channel.ChannelInboundHandler
      Overrides:
      channelUnregistered in class io.netty.channel.ChannelInboundHandlerAdapter
      Throws:
      Exception

    • channelActive

      public void channelActive(io.netty.channel.ChannelHandlerContext ctx) throws Exception
      Specified by:
      channelActive in interface io.netty.channel.ChannelInboundHandler
      Overrides:
      channelActive in class org.apache.pulsar.common.protocol.PulsarHandler
      Throws:
      Exception

    • channelInactive

      public void channelInactive(io.netty.channel.ChannelHandlerContext ctx) throws Exception
      Specified by:
      channelInactive in interface io.netty.channel.ChannelInboundHandler
      Overrides:
      channelInactive in class org.apache.pulsar.common.protocol.PulsarHandler
      Throws:
      Exception

    • exceptionCaught

      public void exceptionCaught(io.netty.channel.ChannelHandlerContext ctx, Throwable cause) throws Exception
      Specified by:
      exceptionCaught in interface io.netty.channel.ChannelHandler
      Specified by:
      exceptionCaught in interface io.netty.channel.ChannelInboundHandler
      Overrides:
      exceptionCaught in class io.netty.channel.ChannelInboundHandlerAdapter
      Throws:
      Exception

    • channelWritabilityChanged

      public void channelWritabilityChanged(io.netty.channel.ChannelHandlerContext ctx) throws Exception
      Specified by:
      channelWritabilityChanged in interface io.netty.channel.ChannelInboundHandler
      Overrides:
      channelWritabilityChanged in class io.netty.channel.ChannelInboundHandlerAdapter
      Throws:
      Exception

    • channelRead

      public void channelRead(io.netty.channel.ChannelHandlerContext ctx, Object msg) throws Exception
      Specified by:
      channelRead in interface io.netty.channel.ChannelInboundHandler
      Overrides:
      channelRead in class org.apache.pulsar.common.protocol.PulsarDecoder
      Throws:
      Exception

    • spliceNIC2NIC

      protected static io.netty.channel.ChannelPromise spliceNIC2NIC(io.netty.channel.epoll.EpollSocketChannel inboundChannel, io.netty.channel.epoll.EpollSocketChannel outboundChannel, int spliceLength)
      Use splice to zero-copy of NIC to NIC.
      Parameters:
      inboundChannel - input channel
      outboundChannel - output channel

    • isTlsChannel

      protected static boolean isTlsChannel(io.netty.channel.Channel channel)

    • brokerConnected

      public void brokerConnected(DirectProxyHandler directProxyHandler, org.apache.pulsar.common.api.proto.CommandConnected connected)

    • handleConnect

      protected void handleConnect(org.apache.pulsar.common.api.proto.CommandConnect connect)
      Overrides:
      handleConnect in class org.apache.pulsar.common.protocol.PulsarDecoder

    • handleAuthResponse

      protected void handleAuthResponse(org.apache.pulsar.common.api.proto.CommandAuthResponse authResponse)
      Overrides:
      handleAuthResponse in class org.apache.pulsar.common.protocol.PulsarDecoder

    • handlePartitionMetadataRequest

      protected void handlePartitionMetadataRequest(org.apache.pulsar.common.api.proto.CommandPartitionedTopicMetadata partitionMetadata)
      Overrides:
      handlePartitionMetadataRequest in class org.apache.pulsar.common.protocol.PulsarDecoder

    • handleGetTopicsOfNamespace

      protected void handleGetTopicsOfNamespace(org.apache.pulsar.common.api.proto.CommandGetTopicsOfNamespace commandGetTopicsOfNamespace)
      Overrides:
      handleGetTopicsOfNamespace in class org.apache.pulsar.common.protocol.PulsarDecoder

    • handleGetSchema

      protected void handleGetSchema(org.apache.pulsar.common.api.proto.CommandGetSchema commandGetSchema)
      Overrides:
      handleGetSchema in class org.apache.pulsar.common.protocol.PulsarDecoder

    • handleLookup

      protected void handleLookup(org.apache.pulsar.common.api.proto.CommandLookupTopic lookup)
      handles discovery request from client ands sends next active broker address.
      Overrides:
      handleLookup in class org.apache.pulsar.common.protocol.PulsarDecoder

    • getClientAuthentication

      public org.apache.pulsar.client.api.Authentication getClientAuthentication()

    • isHandshakeCompleted

      protected boolean isHandshakeCompleted()
      Specified by:
      isHandshakeCompleted in class org.apache.pulsar.common.protocol.PulsarHandler

    • hasHAProxyMessage

      public boolean hasHAProxyMessage()

    • getHAProxyMessage

      public io.netty.handler.codec.haproxy.HAProxyMessage getHAProxyMessage()