public final class io.netty.handler.proxy.Socks4ProxyHandler extends io.netty.handler.proxy.ProxyHandler
  minor version: 0
  major version: 59
  flags: flags: (0x0031) ACC_PUBLIC, ACC_FINAL, ACC_SUPER
  this_class: io.netty.handler.proxy.Socks4ProxyHandler
  super_class: io.netty.handler.proxy.ProxyHandler
{
  private static final java.lang.String PROTOCOL;
    descriptor: Ljava/lang/String;
    flags: (0x001a) ACC_PRIVATE, ACC_STATIC, ACC_FINAL
    ConstantValue: "socks4"

  private static final java.lang.String AUTH_USERNAME;
    descriptor: Ljava/lang/String;
    flags: (0x001a) ACC_PRIVATE, ACC_STATIC, ACC_FINAL
    ConstantValue: "username"

  private final java.lang.String username;
    descriptor: Ljava/lang/String;
    flags: (0x0012) ACC_PRIVATE, ACC_FINAL

  private java.lang.String decoderName;
    descriptor: Ljava/lang/String;
    flags: (0x0002) ACC_PRIVATE

  private java.lang.String encoderName;
    descriptor: Ljava/lang/String;
    flags: (0x0002) ACC_PRIVATE

  public void <init>(java.net.SocketAddress);
    descriptor: (Ljava/net/SocketAddress;)V
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=3, locals=2, args_size=2
        start local 0 // io.netty.handler.proxy.Socks4ProxyHandler this
        start local 1 // java.net.SocketAddress proxyAddress
         0: .line 42
            aload 0 /* this */
            aload 1 /* proxyAddress */
            aconst_null
            invokespecial io.netty.handler.proxy.Socks4ProxyHandler.<init>:(Ljava/net/SocketAddress;Ljava/lang/String;)V
         1: .line 43
            return
        end local 1 // java.net.SocketAddress proxyAddress
        end local 0 // io.netty.handler.proxy.Socks4ProxyHandler this
      LocalVariableTable:
        Start  End  Slot          Name  Signature
            0    2     0          this  Lio/netty/handler/proxy/Socks4ProxyHandler;
            0    2     1  proxyAddress  Ljava/net/SocketAddress;
    MethodParameters:
              Name  Flags
      proxyAddress  

  public void <init>(java.net.SocketAddress, java.lang.String);
    descriptor: (Ljava/net/SocketAddress;Ljava/lang/String;)V
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=2, locals=3, args_size=3
        start local 0 // io.netty.handler.proxy.Socks4ProxyHandler this
        start local 1 // java.net.SocketAddress proxyAddress
        start local 2 // java.lang.String username
         0: .line 46
            aload 0 /* this */
            aload 1 /* proxyAddress */
            invokespecial io.netty.handler.proxy.ProxyHandler.<init>:(Ljava/net/SocketAddress;)V
         1: .line 47
            aload 2 /* username */
            ifnull 3
            aload 2 /* username */
            invokevirtual java.lang.String.isEmpty:()Z
            ifeq 3
         2: .line 48
            aconst_null
            astore 2 /* username */
         3: .line 50
      StackMap locals: io.netty.handler.proxy.Socks4ProxyHandler java.net.SocketAddress java.lang.String
      StackMap stack:
            aload 0 /* this */
            aload 2 /* username */
            putfield io.netty.handler.proxy.Socks4ProxyHandler.username:Ljava/lang/String;
         4: .line 51
            return
        end local 2 // java.lang.String username
        end local 1 // java.net.SocketAddress proxyAddress
        end local 0 // io.netty.handler.proxy.Socks4ProxyHandler this
      LocalVariableTable:
        Start  End  Slot          Name  Signature
            0    5     0          this  Lio/netty/handler/proxy/Socks4ProxyHandler;
            0    5     1  proxyAddress  Ljava/net/SocketAddress;
            0    5     2      username  Ljava/lang/String;
    MethodParameters:
              Name  Flags
      proxyAddress  
      username      

  public java.lang.String protocol();
    descriptor: ()Ljava/lang/String;
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=1, locals=1, args_size=1
        start local 0 // io.netty.handler.proxy.Socks4ProxyHandler this
         0: .line 55
            ldc "socks4"
            areturn
        end local 0 // io.netty.handler.proxy.Socks4ProxyHandler this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    1     0  this  Lio/netty/handler/proxy/Socks4ProxyHandler;

  public java.lang.String authScheme();
    descriptor: ()Ljava/lang/String;
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=1, locals=1, args_size=1
        start local 0 // io.netty.handler.proxy.Socks4ProxyHandler this
         0: .line 60
            aload 0 /* this */
            getfield io.netty.handler.proxy.Socks4ProxyHandler.username:Ljava/lang/String;
            ifnull 1
            ldc "username"
            goto 2
      StackMap locals:
      StackMap stack:
         1: ldc "none"
      StackMap locals:
      StackMap stack: java.lang.String
         2: areturn
        end local 0 // io.netty.handler.proxy.Socks4ProxyHandler this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    3     0  this  Lio/netty/handler/proxy/Socks4ProxyHandler;

  public java.lang.String username();
    descriptor: ()Ljava/lang/String;
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=1, locals=1, args_size=1
        start local 0 // io.netty.handler.proxy.Socks4ProxyHandler this
         0: .line 64
            aload 0 /* this */
            getfield io.netty.handler.proxy.Socks4ProxyHandler.username:Ljava/lang/String;
            areturn
        end local 0 // io.netty.handler.proxy.Socks4ProxyHandler this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    1     0  this  Lio/netty/handler/proxy/Socks4ProxyHandler;

  protected void addCodec(io.netty.channel.ChannelHandlerContext);
    descriptor: (Lio/netty/channel/ChannelHandlerContext;)V
    flags: (0x0004) ACC_PROTECTED
    Code:
      stack=4, locals=5, args_size=2
        start local 0 // io.netty.handler.proxy.Socks4ProxyHandler this
        start local 1 // io.netty.channel.ChannelHandlerContext ctx
         0: .line 69
            aload 1 /* ctx */
            invokeinterface io.netty.channel.ChannelHandlerContext.pipeline:()Lio/netty/channel/ChannelPipeline;
            astore 2 /* p */
        start local 2 // io.netty.channel.ChannelPipeline p
         1: .line 70
            aload 1 /* ctx */
            invokeinterface io.netty.channel.ChannelHandlerContext.name:()Ljava/lang/String;
            astore 3 /* name */
        start local 3 // java.lang.String name
         2: .line 72
            new io.netty.handler.codec.socksx.v4.Socks4ClientDecoder
            dup
            invokespecial io.netty.handler.codec.socksx.v4.Socks4ClientDecoder.<init>:()V
            astore 4 /* decoder */
        start local 4 // io.netty.handler.codec.socksx.v4.Socks4ClientDecoder decoder
         3: .line 73
            aload 2 /* p */
            aload 3 /* name */
            aconst_null
            aload 4 /* decoder */
            invokeinterface io.netty.channel.ChannelPipeline.addBefore:(Ljava/lang/String;Ljava/lang/String;Lio/netty/channel/ChannelHandler;)Lio/netty/channel/ChannelPipeline;
            pop
         4: .line 75
            aload 0 /* this */
            aload 2 /* p */
            aload 4 /* decoder */
            invokeinterface io.netty.channel.ChannelPipeline.context:(Lio/netty/channel/ChannelHandler;)Lio/netty/channel/ChannelHandlerContext;
            invokeinterface io.netty.channel.ChannelHandlerContext.name:()Ljava/lang/String;
            putfield io.netty.handler.proxy.Socks4ProxyHandler.decoderName:Ljava/lang/String;
         5: .line 76
            aload 0 /* this */
            new java.lang.StringBuilder
            dup
            aload 0 /* this */
            getfield io.netty.handler.proxy.Socks4ProxyHandler.decoderName:Ljava/lang/String;
            invokestatic java.lang.String.valueOf:(Ljava/lang/Object;)Ljava/lang/String;
            invokespecial java.lang.StringBuilder.<init>:(Ljava/lang/String;)V
            ldc ".encoder"
            invokevirtual java.lang.StringBuilder.append:(Ljava/lang/String;)Ljava/lang/StringBuilder;
            invokevirtual java.lang.StringBuilder.toString:()Ljava/lang/String;
            putfield io.netty.handler.proxy.Socks4ProxyHandler.encoderName:Ljava/lang/String;
         6: .line 78
            aload 2 /* p */
            aload 3 /* name */
            aload 0 /* this */
            getfield io.netty.handler.proxy.Socks4ProxyHandler.encoderName:Ljava/lang/String;
            getstatic io.netty.handler.codec.socksx.v4.Socks4ClientEncoder.INSTANCE:Lio/netty/handler/codec/socksx/v4/Socks4ClientEncoder;
            invokeinterface io.netty.channel.ChannelPipeline.addBefore:(Ljava/lang/String;Ljava/lang/String;Lio/netty/channel/ChannelHandler;)Lio/netty/channel/ChannelPipeline;
            pop
         7: .line 79
            return
        end local 4 // io.netty.handler.codec.socksx.v4.Socks4ClientDecoder decoder
        end local 3 // java.lang.String name
        end local 2 // io.netty.channel.ChannelPipeline p
        end local 1 // io.netty.channel.ChannelHandlerContext ctx
        end local 0 // io.netty.handler.proxy.Socks4ProxyHandler this
      LocalVariableTable:
        Start  End  Slot     Name  Signature
            0    8     0     this  Lio/netty/handler/proxy/Socks4ProxyHandler;
            0    8     1      ctx  Lio/netty/channel/ChannelHandlerContext;
            1    8     2        p  Lio/netty/channel/ChannelPipeline;
            2    8     3     name  Ljava/lang/String;
            3    8     4  decoder  Lio/netty/handler/codec/socksx/v4/Socks4ClientDecoder;
    Exceptions:
      throws java.lang.Exception
    MethodParameters:
      Name  Flags
      ctx   

  protected void removeEncoder(io.netty.channel.ChannelHandlerContext);
    descriptor: (Lio/netty/channel/ChannelHandlerContext;)V
    flags: (0x0004) ACC_PROTECTED
    Code:
      stack=2, locals=3, args_size=2
        start local 0 // io.netty.handler.proxy.Socks4ProxyHandler this
        start local 1 // io.netty.channel.ChannelHandlerContext ctx
         0: .line 83
            aload 1 /* ctx */
            invokeinterface io.netty.channel.ChannelHandlerContext.pipeline:()Lio/netty/channel/ChannelPipeline;
            astore 2 /* p */
        start local 2 // io.netty.channel.ChannelPipeline p
         1: .line 84
            aload 2 /* p */
            aload 0 /* this */
            getfield io.netty.handler.proxy.Socks4ProxyHandler.encoderName:Ljava/lang/String;
            invokeinterface io.netty.channel.ChannelPipeline.remove:(Ljava/lang/String;)Lio/netty/channel/ChannelHandler;
            pop
         2: .line 85
            return
        end local 2 // io.netty.channel.ChannelPipeline p
        end local 1 // io.netty.channel.ChannelHandlerContext ctx
        end local 0 // io.netty.handler.proxy.Socks4ProxyHandler this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    3     0  this  Lio/netty/handler/proxy/Socks4ProxyHandler;
            0    3     1   ctx  Lio/netty/channel/ChannelHandlerContext;
            1    3     2     p  Lio/netty/channel/ChannelPipeline;
    Exceptions:
      throws java.lang.Exception
    MethodParameters:
      Name  Flags
      ctx   

  protected void removeDecoder(io.netty.channel.ChannelHandlerContext);
    descriptor: (Lio/netty/channel/ChannelHandlerContext;)V
    flags: (0x0004) ACC_PROTECTED
    Code:
      stack=2, locals=3, args_size=2
        start local 0 // io.netty.handler.proxy.Socks4ProxyHandler this
        start local 1 // io.netty.channel.ChannelHandlerContext ctx
         0: .line 89
            aload 1 /* ctx */
            invokeinterface io.netty.channel.ChannelHandlerContext.pipeline:()Lio/netty/channel/ChannelPipeline;
            astore 2 /* p */
        start local 2 // io.netty.channel.ChannelPipeline p
         1: .line 90
            aload 2 /* p */
            aload 0 /* this */
            getfield io.netty.handler.proxy.Socks4ProxyHandler.decoderName:Ljava/lang/String;
            invokeinterface io.netty.channel.ChannelPipeline.remove:(Ljava/lang/String;)Lio/netty/channel/ChannelHandler;
            pop
         2: .line 91
            return
        end local 2 // io.netty.channel.ChannelPipeline p
        end local 1 // io.netty.channel.ChannelHandlerContext ctx
        end local 0 // io.netty.handler.proxy.Socks4ProxyHandler this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    3     0  this  Lio/netty/handler/proxy/Socks4ProxyHandler;
            0    3     1   ctx  Lio/netty/channel/ChannelHandlerContext;
            1    3     2     p  Lio/netty/channel/ChannelPipeline;
    Exceptions:
      throws java.lang.Exception
    MethodParameters:
      Name  Flags
      ctx   

  protected java.lang.Object newInitialMessage(io.netty.channel.ChannelHandlerContext);
    descriptor: (Lio/netty/channel/ChannelHandlerContext;)Ljava/lang/Object;
    flags: (0x0004) ACC_PROTECTED
    Code:
      stack=6, locals=4, args_size=2
        start local 0 // io.netty.handler.proxy.Socks4ProxyHandler this
        start local 1 // io.netty.channel.ChannelHandlerContext ctx
         0: .line 95
            aload 0 /* this */
            invokevirtual io.netty.handler.proxy.Socks4ProxyHandler.destinationAddress:()Ljava/net/SocketAddress;
            checkcast java.net.InetSocketAddress
            astore 2 /* raddr */
        start local 2 // java.net.InetSocketAddress raddr
         1: .line 97
            aload 2 /* raddr */
            invokevirtual java.net.InetSocketAddress.isUnresolved:()Z
            ifeq 4
         2: .line 98
            aload 2 /* raddr */
            invokevirtual java.net.InetSocketAddress.getHostString:()Ljava/lang/String;
            astore 3 /* rhost */
        start local 3 // java.lang.String rhost
         3: .line 99
            goto 5
        end local 3 // java.lang.String rhost
         4: .line 100
      StackMap locals: java.net.InetSocketAddress
      StackMap stack:
            aload 2 /* raddr */
            invokevirtual java.net.InetSocketAddress.getAddress:()Ljava/net/InetAddress;
            invokevirtual java.net.InetAddress.getHostAddress:()Ljava/lang/String;
            astore 3 /* rhost */
        start local 3 // java.lang.String rhost
         5: .line 102
      StackMap locals: java.lang.String
      StackMap stack:
            new io.netty.handler.codec.socksx.v4.DefaultSocks4CommandRequest
            dup
         6: .line 103
            getstatic io.netty.handler.codec.socksx.v4.Socks4CommandType.CONNECT:Lio/netty/handler/codec/socksx/v4/Socks4CommandType;
            aload 3 /* rhost */
            aload 2 /* raddr */
            invokevirtual java.net.InetSocketAddress.getPort:()I
            aload 0 /* this */
            getfield io.netty.handler.proxy.Socks4ProxyHandler.username:Ljava/lang/String;
            ifnull 7
            aload 0 /* this */
            getfield io.netty.handler.proxy.Socks4ProxyHandler.username:Ljava/lang/String;
            goto 8
      StackMap locals: io.netty.handler.proxy.Socks4ProxyHandler io.netty.channel.ChannelHandlerContext java.net.InetSocketAddress java.lang.String
      StackMap stack: new 5 new 5 io.netty.handler.codec.socksx.v4.Socks4CommandType java.lang.String int
         7: ldc ""
         8: .line 102
      StackMap locals: io.netty.handler.proxy.Socks4ProxyHandler io.netty.channel.ChannelHandlerContext java.net.InetSocketAddress java.lang.String
      StackMap stack: new 5 new 5 io.netty.handler.codec.socksx.v4.Socks4CommandType java.lang.String int java.lang.String
            invokespecial io.netty.handler.codec.socksx.v4.DefaultSocks4CommandRequest.<init>:(Lio/netty/handler/codec/socksx/v4/Socks4CommandType;Ljava/lang/String;ILjava/lang/String;)V
            areturn
        end local 3 // java.lang.String rhost
        end local 2 // java.net.InetSocketAddress raddr
        end local 1 // io.netty.channel.ChannelHandlerContext ctx
        end local 0 // io.netty.handler.proxy.Socks4ProxyHandler this
      LocalVariableTable:
        Start  End  Slot   Name  Signature
            0    9     0   this  Lio/netty/handler/proxy/Socks4ProxyHandler;
            0    9     1    ctx  Lio/netty/channel/ChannelHandlerContext;
            1    9     2  raddr  Ljava/net/InetSocketAddress;
            3    4     3  rhost  Ljava/lang/String;
            5    9     3  rhost  Ljava/lang/String;
    Exceptions:
      throws java.lang.Exception
    MethodParameters:
      Name  Flags
      ctx   

  protected boolean handleResponse(io.netty.channel.ChannelHandlerContext, java.lang.Object);
    descriptor: (Lio/netty/channel/ChannelHandlerContext;Ljava/lang/Object;)Z
    flags: (0x0004) ACC_PROTECTED
    Code:
      stack=6, locals=5, args_size=3
        start local 0 // io.netty.handler.proxy.Socks4ProxyHandler this
        start local 1 // io.netty.channel.ChannelHandlerContext ctx
        start local 2 // java.lang.Object response
         0: .line 108
            aload 2 /* response */
            checkcast io.netty.handler.codec.socksx.v4.Socks4CommandResponse
            astore 3 /* res */
        start local 3 // io.netty.handler.codec.socksx.v4.Socks4CommandResponse res
         1: .line 109
            aload 3 /* res */
            invokeinterface io.netty.handler.codec.socksx.v4.Socks4CommandResponse.status:()Lio/netty/handler/codec/socksx/v4/Socks4CommandStatus;
            astore 4 /* status */
        start local 4 // io.netty.handler.codec.socksx.v4.Socks4CommandStatus status
         2: .line 110
            aload 4 /* status */
            getstatic io.netty.handler.codec.socksx.v4.Socks4CommandStatus.SUCCESS:Lio/netty/handler/codec/socksx/v4/Socks4CommandStatus;
            if_acmpne 4
         3: .line 111
            iconst_1
            ireturn
         4: .line 114
      StackMap locals: io.netty.handler.codec.socksx.v4.Socks4CommandResponse io.netty.handler.codec.socksx.v4.Socks4CommandStatus
      StackMap stack:
            new io.netty.handler.proxy.ProxyConnectException
            dup
            aload 0 /* this */
            new java.lang.StringBuilder
            dup
            ldc "status: "
            invokespecial java.lang.StringBuilder.<init>:(Ljava/lang/String;)V
            aload 4 /* status */
            invokevirtual java.lang.StringBuilder.append:(Ljava/lang/Object;)Ljava/lang/StringBuilder;
            invokevirtual java.lang.StringBuilder.toString:()Ljava/lang/String;
            invokevirtual io.netty.handler.proxy.Socks4ProxyHandler.exceptionMessage:(Ljava/lang/String;)Ljava/lang/String;
            invokespecial io.netty.handler.proxy.ProxyConnectException.<init>:(Ljava/lang/String;)V
            athrow
        end local 4 // io.netty.handler.codec.socksx.v4.Socks4CommandStatus status
        end local 3 // io.netty.handler.codec.socksx.v4.Socks4CommandResponse res
        end local 2 // java.lang.Object response
        end local 1 // io.netty.channel.ChannelHandlerContext ctx
        end local 0 // io.netty.handler.proxy.Socks4ProxyHandler this
      LocalVariableTable:
        Start  End  Slot      Name  Signature
            0    5     0      this  Lio/netty/handler/proxy/Socks4ProxyHandler;
            0    5     1       ctx  Lio/netty/channel/ChannelHandlerContext;
            0    5     2  response  Ljava/lang/Object;
            1    5     3       res  Lio/netty/handler/codec/socksx/v4/Socks4CommandResponse;
            2    5     4    status  Lio/netty/handler/codec/socksx/v4/Socks4CommandStatus;
    Exceptions:
      throws java.lang.Exception
    MethodParameters:
          Name  Flags
      ctx       
      response  
}
SourceFile: "Socks4ProxyHandler.java"