http://www.dropwizard.io/2.0.18/dropwizard-bom/dropwizard-dependencies/dropwizard-parent/dropwizard-jetty: Dropwizard is a Java framework for developing ops-friendly, high-performance, RESTful web applications.
  • Coda Hale
  • Nick Telford
  • Graham O'Regan
  • Ryan Kennedy
  • Camille Fournier
  • Carlo Barbara
  • Matt Veitas
  • Ryan Tenney
  • Jochen Schalanda
  • Glenn McAllister
  • Nick Babcock
  • Justin Plock
  • Artem Prigoda 
public class io.dropwizard.jetty.NetUtil
  minor version: 0
  major version: 59
  flags: flags: (0x0021) ACC_PUBLIC, ACC_SUPER
  this_class: io.dropwizard.jetty.NetUtil
  super_class: java.lang.Object
{
  public static final int DEFAULT_TCP_BACKLOG_WINDOWS;
    descriptor: I
    flags: (0x0019) ACC_PUBLIC, ACC_STATIC, ACC_FINAL
    ConstantValue: 200

  public static final int DEFAULT_TCP_BACKLOG_LINUX;
    descriptor: I
    flags: (0x0019) ACC_PUBLIC, ACC_STATIC, ACC_FINAL
    ConstantValue: 128

  public static final java.lang.String TCP_BACKLOG_SETTING_LOCATION;
    descriptor: Ljava/lang/String;
    flags: (0x0019) ACC_PUBLIC, ACC_STATIC, ACC_FINAL
    ConstantValue: "/proc/sys/net/core/somaxconn"

  private static final java.util.concurrent.atomic.AtomicReference<io.dropwizard.jetty.LocalIpFilter> LOCAL_IP_FILTER;
    descriptor: Ljava/util/concurrent/atomic/AtomicReference;
    flags: (0x001a) ACC_PRIVATE, ACC_STATIC, ACC_FINAL
    Signature: Ljava/util/concurrent/atomic/AtomicReference<Lio/dropwizard/jetty/LocalIpFilter;>;

  static void <clinit>();
    descriptor: ()V
    flags: (0x0008) ACC_STATIC
    Code:
      stack=3, locals=0, args_size=0
         0: .line 49
            new java.util.concurrent.atomic.AtomicReference
            dup
            invokedynamic use()Lio/dropwizard/jetty/LocalIpFilter;
              Bootstrap: invokestatic java.lang.invoke.LambdaMetafactory.metafactory:(Ljava/lang/invoke/MethodHandles$Lookup;Ljava/lang/String;Ljava/lang/invoke/MethodType;Ljava/lang/invoke/MethodType;Ljava/lang/invoke/MethodHandle;Ljava/lang/invoke/MethodType;)Ljava/lang/invoke/CallSite;
                Method arguments:
                  (Ljava/net/NetworkInterface;Ljava/net/InetAddress;)Z
                  io/dropwizard/jetty/NetUtil.lambda$0(Ljava/net/NetworkInterface;Ljava/net/InetAddress;)Z (6)
                  (Ljava/net/NetworkInterface;Ljava/net/InetAddress;)Z
            invokespecial java.util.concurrent.atomic.AtomicReference.<init>:(Ljava/lang/Object;)V
            putstatic io.dropwizard.jetty.NetUtil.LOCAL_IP_FILTER:Ljava/util/concurrent/atomic/AtomicReference;
         1: .line 51
            return
      LocalVariableTable:
        Start  End  Slot  Name  Signature

  public void <init>();
    descriptor: ()V
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=1, locals=1, args_size=1
        start local 0 // io.dropwizard.jetty.NetUtil this
         0: .line 44
            aload 0 /* this */
            invokespecial java.lang.Object.<init>:()V
            return
        end local 0 // io.dropwizard.jetty.NetUtil this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    1     0  this  Lio/dropwizard/jetty/NetUtil;

  public static int getTcpBacklog();
    descriptor: ()I
    flags: (0x0009) ACC_PUBLIC, ACC_STATIC
    Code:
      stack=1, locals=0, args_size=0
         0: .line 58
            invokestatic io.dropwizard.jetty.NetUtil.getDefaultTcpBacklog:()I
            invokestatic io.dropwizard.jetty.NetUtil.getTcpBacklog:(I)I
            ireturn
      LocalVariableTable:
        Start  End  Slot  Name  Signature

  public static int getTcpBacklog(int);
    descriptor: (I)I
    flags: (0x0009) ACC_PUBLIC, ACC_STATIC
    Code:
      stack=1, locals=1, args_size=1
        start local 0 // int tcpBacklog
         0: .line 71
            iload 0 /* tcpBacklog */
            invokedynamic run(I)Ljava/security/PrivilegedAction;
              Bootstrap: invokestatic java.lang.invoke.LambdaMetafactory.metafactory:(Ljava/lang/invoke/MethodHandles$Lookup;Ljava/lang/String;Ljava/lang/invoke/MethodType;Ljava/lang/invoke/MethodType;Ljava/lang/invoke/MethodHandle;Ljava/lang/invoke/MethodType;)Ljava/lang/invoke/CallSite;
                Method arguments:
                  ()Ljava/lang/Object;
                  io/dropwizard/jetty/NetUtil.lambda$1(I)Ljava/lang/Integer; (6)
                  ()Ljava/lang/Integer;
            invokestatic java.security.AccessController.doPrivileged:(Ljava/security/PrivilegedAction;)Ljava/lang/Object;
            checkcast java.lang.Integer
            invokevirtual java.lang.Integer.intValue:()I
            ireturn
        end local 0 // int tcpBacklog
      LocalVariableTable:
        Start  End  Slot        Name  Signature
            0    1     0  tcpBacklog  I
    MethodParameters:
            Name  Flags
      tcpBacklog  

  public static boolean isWindows();
    descriptor: ()Z
    flags: (0x0009) ACC_PUBLIC, ACC_STATIC
    Code:
      stack=2, locals=1, args_size=0
         0: .line 87
            ldc "os.name"
            ldc ""
            invokestatic java.lang.System.getProperty:(Ljava/lang/String;Ljava/lang/String;)Ljava/lang/String;
            getstatic java.util.Locale.US:Ljava/util/Locale;
            invokevirtual java.lang.String.toLowerCase:(Ljava/util/Locale;)Ljava/lang/String;
            ldc "win"
            invokevirtual java.lang.String.contains:(Ljava/lang/CharSequence;)Z
            istore 0 /* windows */
        start local 0 // boolean windows
         1: .line 88
            iload 0 /* windows */
            ireturn
        end local 0 // boolean windows
      LocalVariableTable:
        Start  End  Slot     Name  Signature
            1    2     0  windows  Z

  public static int getDefaultTcpBacklog();
    descriptor: ()I
    flags: (0x0009) ACC_PUBLIC, ACC_STATIC
    Code:
      stack=1, locals=0, args_size=0
         0: .line 92
            invokestatic io.dropwizard.jetty.NetUtil.isWindows:()Z
            ifeq 1
            sipush 200
            goto 2
      StackMap locals:
      StackMap stack:
         1: sipush 128
      StackMap locals:
      StackMap stack: int
         2: ireturn
      LocalVariableTable:
        Start  End  Slot  Name  Signature

  public static void setLocalIpFilter(io.dropwizard.jetty.LocalIpFilter);
    descriptor: (Lio/dropwizard/jetty/LocalIpFilter;)V
    flags: (0x0009) ACC_PUBLIC, ACC_STATIC
    Code:
      stack=2, locals=1, args_size=1
        start local 0 // io.dropwizard.jetty.LocalIpFilter newLocalIpFilter
         0: .line 101
            aload 0 /* newLocalIpFilter */
            invokestatic java.util.Objects.requireNonNull:(Ljava/lang/Object;)Ljava/lang/Object;
            pop
         1: .line 102
            getstatic io.dropwizard.jetty.NetUtil.LOCAL_IP_FILTER:Ljava/util/concurrent/atomic/AtomicReference;
            aload 0 /* newLocalIpFilter */
            invokevirtual java.util.concurrent.atomic.AtomicReference.set:(Ljava/lang/Object;)V
         2: .line 103
            return
        end local 0 // io.dropwizard.jetty.LocalIpFilter newLocalIpFilter
      LocalVariableTable:
        Start  End  Slot              Name  Signature
            0    3     0  newLocalIpFilter  Lio/dropwizard/jetty/LocalIpFilter;
    MethodParameters:
                  Name  Flags
      newLocalIpFilter  

  public static io.dropwizard.jetty.LocalIpFilter getLocalIpFilter();
    descriptor: ()Lio/dropwizard/jetty/LocalIpFilter;
    flags: (0x0009) ACC_PUBLIC, ACC_STATIC
    Code:
      stack=1, locals=0, args_size=0
         0: .line 111
            getstatic io.dropwizard.jetty.NetUtil.LOCAL_IP_FILTER:Ljava/util/concurrent/atomic/AtomicReference;
            invokevirtual java.util.concurrent.atomic.AtomicReference.get:()Ljava/lang/Object;
            checkcast io.dropwizard.jetty.LocalIpFilter
            invokestatic java.util.Objects.requireNonNull:(Ljava/lang/Object;)Ljava/lang/Object;
            checkcast io.dropwizard.jetty.LocalIpFilter
            areturn
      LocalVariableTable:
        Start  End  Slot  Name  Signature

  public static java.util.Collection<java.net.InetAddress> getAllLocalIPs();
    descriptor: ()Ljava/util/Collection;
    flags: (0x0009) ACC_PUBLIC, ACC_STATIC
    Code:
      stack=3, locals=5, args_size=0
         0: .line 135
            new java.util.ArrayList
            dup
            invokespecial java.util.ArrayList.<init>:()V
            astore 0 /* listAdr */
        start local 0 // java.util.List listAdr
         1: .line 136
            invokestatic java.net.NetworkInterface.getNetworkInterfaces:()Ljava/util/Enumeration;
            astore 1 /* nifs */
        start local 1 // java.util.Enumeration nifs
         2: .line 137
            aload 1 /* nifs */
            ifnonnull 11
         3: .line 138
            aload 0 /* listAdr */
            areturn
         4: .line 142
      StackMap locals: java.util.List java.util.Enumeration
      StackMap stack:
            aload 1 /* nifs */
            invokeinterface java.util.Enumeration.nextElement:()Ljava/lang/Object;
            checkcast java.net.NetworkInterface
            astore 2 /* nif */
        start local 2 // java.net.NetworkInterface nif
         5: .line 145
            aload 2 /* nif */
            invokevirtual java.net.NetworkInterface.getInetAddresses:()Ljava/util/Enumeration;
            astore 3 /* adrs */
        start local 3 // java.util.Enumeration adrs
         6: .line 146
            goto 10
         7: .line 147
      StackMap locals: java.net.NetworkInterface java.util.Enumeration
      StackMap stack:
            aload 3 /* adrs */
            invokeinterface java.util.Enumeration.nextElement:()Ljava/lang/Object;
            checkcast java.net.InetAddress
            astore 4 /* adr */
        start local 4 // java.net.InetAddress adr
         8: .line 148
            invokestatic io.dropwizard.jetty.NetUtil.getLocalIpFilter:()Lio/dropwizard/jetty/LocalIpFilter;
            aload 2 /* nif */
            aload 4 /* adr */
            invokeinterface io.dropwizard.jetty.LocalIpFilter.use:(Ljava/net/NetworkInterface;Ljava/net/InetAddress;)Z
            ifeq 10
         9: .line 149
            aload 0 /* listAdr */
            aload 4 /* adr */
            invokeinterface java.util.List.add:(Ljava/lang/Object;)Z
            pop
        end local 4 // java.net.InetAddress adr
        10: .line 146
      StackMap locals:
      StackMap stack:
            aload 3 /* adrs */
            invokeinterface java.util.Enumeration.hasMoreElements:()Z
            ifne 7
        end local 3 // java.util.Enumeration adrs
        end local 2 // java.net.NetworkInterface nif
        11: .line 141
      StackMap locals:
      StackMap stack:
            aload 1 /* nifs */
            invokeinterface java.util.Enumeration.hasMoreElements:()Z
            ifne 4
        12: .line 153
            aload 0 /* listAdr */
            areturn
        end local 1 // java.util.Enumeration nifs
        end local 0 // java.util.List listAdr
      LocalVariableTable:
        Start  End  Slot     Name  Signature
            1   13     0  listAdr  Ljava/util/List<Ljava/net/InetAddress;>;
            2   13     1     nifs  Ljava/util/Enumeration<Ljava/net/NetworkInterface;>;
            5   11     2      nif  Ljava/net/NetworkInterface;
            6   11     3     adrs  Ljava/util/Enumeration<Ljava/net/InetAddress;>;
            8   10     4      adr  Ljava/net/InetAddress;
    Exceptions:
      throws java.net.SocketException
    Signature: ()Ljava/util/Collection<Ljava/net/InetAddress;>;

  private static boolean lambda$0(java.net.NetworkInterface, java.net.InetAddress);
    descriptor: (Ljava/net/NetworkInterface;Ljava/net/InetAddress;)Z
    flags: (0x100a) ACC_PRIVATE, ACC_STATIC, ACC_SYNTHETIC
    Code:
      stack=1, locals=2, args_size=2
        start local 0 // java.net.NetworkInterface nif
        start local 1 // java.net.InetAddress adr
         0: .line 50
            aload 1 /* adr */
            ifnull 2
            aload 1 /* adr */
            invokevirtual java.net.InetAddress.isLoopbackAddress:()Z
            ifne 2
            aload 0 /* nif */
            invokevirtual java.net.NetworkInterface.isPointToPoint:()Z
            ifne 1
            aload 1 /* adr */
            invokevirtual java.net.InetAddress.isLinkLocalAddress:()Z
            ifne 2
      StackMap locals:
      StackMap stack:
         1: iconst_1
            goto 3
      StackMap locals:
      StackMap stack:
         2: iconst_0
      StackMap locals:
      StackMap stack: int
         3: ireturn
        end local 1 // java.net.InetAddress adr
        end local 0 // java.net.NetworkInterface nif
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    4     0   nif  Ljava/net/NetworkInterface;
            0    4     1   adr  Ljava/net/InetAddress;
    Exceptions:
      throws java.net.SocketException

  private static java.lang.Integer lambda$1(int);
    descriptor: (I)Ljava/lang/Integer;
    flags: (0x100a) ACC_PRIVATE, ACC_STATIC, ACC_SYNTHETIC
    Code:
      stack=5, locals=5, args_size=1
         0: .line 76
            new java.io.File
            dup
            ldc "/proc/sys/net/core/somaxconn"
            invokespecial java.io.File.<init>:(Ljava/lang/String;)V
            astore 1 /* file */
        start local 1 // java.io.File file
         1: .line 77
            aconst_null
            astore 2
            aconst_null
            astore 3
         2: new java.io.BufferedReader
            dup
            new java.io.FileReader
            dup
            aload 1 /* file */
            invokespecial java.io.FileReader.<init>:(Ljava/io/File;)V
            invokespecial java.io.BufferedReader.<init>:(Ljava/io/Reader;)V
            astore 4 /* in */
        start local 4 // java.io.BufferedReader in
         3: .line 78
            aload 4 /* in */
            invokevirtual java.io.BufferedReader.readLine:()Ljava/lang/String;
            invokevirtual java.lang.String.trim:()Ljava/lang/String;
            invokestatic java.lang.Integer.parseInt:(Ljava/lang/String;)I
            invokestatic java.lang.Integer.valueOf:(I)Ljava/lang/Integer;
         4: .line 79
            aload 4 /* in */
            ifnull 5
            aload 4 /* in */
            invokevirtual java.io.BufferedReader.close:()V
         5: .line 78
      StackMap locals: int java.io.File java.lang.Throwable java.lang.Throwable java.io.BufferedReader
      StackMap stack: java.lang.Integer
            areturn
      StackMap locals:
      StackMap stack: java.lang.Throwable
         6: astore 2
         7: .line 79
            aload 4 /* in */
            ifnull 8
            aload 4 /* in */
            invokevirtual java.io.BufferedReader.close:()V
        end local 4 // java.io.BufferedReader in
      StackMap locals:
      StackMap stack:
         8: aload 2
            athrow
      StackMap locals:
      StackMap stack: java.lang.Throwable
         9: astore 3
            aload 2
            ifnonnull 10
            aload 3
            astore 2
            goto 11
      StackMap locals:
      StackMap stack:
        10: aload 2
            aload 3
            if_acmpeq 11
            aload 2
            aload 3
            invokevirtual java.lang.Throwable.addSuppressed:(Ljava/lang/Throwable;)V
      StackMap locals:
      StackMap stack:
        11: aload 2
            athrow
      StackMap locals: int java.io.File
      StackMap stack: java.lang.Exception
        12: pop
        13: .line 80
            iload 0
            invokestatic java.lang.Integer.valueOf:(I)Ljava/lang/Integer;
            areturn
        end local 1 // java.io.File file
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            1   14     1  file  Ljava/io/File;
            3    8     4    in  Ljava/io/BufferedReader;
      Exception table:
        from    to  target  type
           3     4       6  any
           2     5       9  any
           6     9       9  any
           1     5      12  Class java.lang.SecurityException
           6    12      12  Class java.lang.SecurityException
           1     5      12  Class java.io.IOException
           6    12      12  Class java.io.IOException
           1     5      12  Class java.lang.NumberFormatException
           6    12      12  Class java.lang.NumberFormatException
           1     5      12  Class java.lang.NullPointerException
           6    12      12  Class java.lang.NullPointerException
}
SourceFile: "NetUtil.java"
InnerClasses:
  public final Lookup = java.lang.invoke.MethodHandles$Lookup of java.lang.invoke.MethodHandles