public class org.I0Itec.zkclient.NetworkUtil
minor version: 0
major version: 59
flags: flags: (0x0021) ACC_PUBLIC, ACC_SUPER
this_class: org.I0Itec.zkclient.NetworkUtil
super_class: java.lang.Object
{
public static final java.lang.String OVERWRITE_HOSTNAME_SYSTEM_PROPERTY;
descriptor: Ljava/lang/String;
flags: (0x0019) ACC_PUBLIC, ACC_STATIC, ACC_FINAL
ConstantValue: "zkclient.hostname.overwritten"
public void <init>();
descriptor: ()V
flags: (0x0001) ACC_PUBLIC
Code:
stack=1, locals=1, args_size=1
start local 0 0: aload 0
invokespecial java.lang.Object.<init>:()V
return
end local 0 LocalVariableTable:
Start End Slot Name Signature
0 1 0 this Lorg/I0Itec/zkclient/NetworkUtil;
public static java.lang.String[] getLocalHostNames();
descriptor: ()[Ljava/lang/String;
flags: (0x0009) ACC_PUBLIC, ACC_STATIC
Code:
stack=3, locals=6, args_size=0
0: new java.util.HashSet
dup
invokespecial java.util.HashSet.<init>:()V
astore 0
start local 0 1: aload 0
ldc "localhost"
invokeinterface java.util.Set.add:(Ljava/lang/Object;)Z
pop
2: invokestatic java.net.NetworkInterface.getNetworkInterfaces:()Ljava/util/Enumeration;
astore 1
start local 1 3: aload 1
astore 2
start local 2 4: goto 13
5: StackMap locals: java.util.Set java.util.Enumeration java.util.Enumeration
StackMap stack:
aload 2
invokeinterface java.util.Enumeration.nextElement:()Ljava/lang/Object;
checkcast java.net.NetworkInterface
astore 3
start local 3 6: aconst_null
astore 4
start local 4 7: aload 3
invokevirtual java.net.NetworkInterface.getInetAddresses:()Ljava/util/Enumeration;
astore 5
start local 5 8: goto 12
9: StackMap locals: java.net.NetworkInterface java.net.InetAddress java.util.Enumeration
StackMap stack:
aload 5
invokeinterface java.util.Enumeration.nextElement:()Ljava/lang/Object;
checkcast java.net.InetAddress
astore 4
10: aload 0
aload 4
invokevirtual java.net.InetAddress.getCanonicalHostName:()Ljava/lang/String;
invokeinterface java.util.Set.add:(Ljava/lang/Object;)Z
pop
11: aload 0
aload 4
invokevirtual java.net.InetAddress.getAddress:()[B
invokestatic org.I0Itec.zkclient.NetworkUtil.ipToString:([B)Ljava/lang/String;
invokeinterface java.util.Set.add:(Ljava/lang/Object;)Z
pop
12: StackMap locals:
StackMap stack:
aload 5
invokeinterface java.util.Enumeration.hasMoreElements:()Z
ifne 9
end local 5 end local 4 end local 3 13: StackMap locals:
StackMap stack:
aload 2
invokeinterface java.util.Enumeration.hasMoreElements:()Z
ifne 5
end local 2 end local 1 14: goto 17
StackMap locals: java.util.Set
StackMap stack: java.net.SocketException
15: pop
16: new java.lang.RuntimeException
dup
ldc "unable to retrieve host names of localhost"
invokespecial java.lang.RuntimeException.<init>:(Ljava/lang/String;)V
athrow
17: StackMap locals:
StackMap stack:
aload 0
aload 0
invokeinterface java.util.Set.size:()I
anewarray java.lang.String
invokeinterface java.util.Set.toArray:([Ljava/lang/Object;)[Ljava/lang/Object;
checkcast java.lang.String[]
areturn
end local 0 LocalVariableTable:
Start End Slot Name Signature
1 18 0 hostNames Ljava/util/Set<Ljava/lang/String;>;
3 14 1 networkInterfaces Ljava/util/Enumeration<Ljava/net/NetworkInterface;>;
4 14 2 ifaces Ljava/util/Enumeration<Ljava/net/NetworkInterface;>;
6 13 3 iface Ljava/net/NetworkInterface;
7 13 4 ia Ljava/net/InetAddress;
8 13 5 ips Ljava/util/Enumeration<Ljava/net/InetAddress;>;
Exception table:
from to target type
2 14 15 Class java.net.SocketException
private static java.lang.String ipToString(byte[]);
descriptor: ([B)Ljava/lang/String;
flags: (0x000a) ACC_PRIVATE, ACC_STATIC
Code:
stack=2, locals=4, args_size=1
start local 0 0: new java.lang.StringBuffer
dup
invokespecial java.lang.StringBuffer.<init>:()V
astore 1
start local 1 1: iconst_0
istore 2
start local 2 2: goto 10
3: StackMap locals: java.lang.StringBuffer int
StackMap stack:
aload 0
iload 2
baload
ifge 4
aload 0
iload 2
baload
sipush 256
iadd
goto 5
StackMap locals:
StackMap stack:
4: aload 0
iload 2
baload
StackMap locals:
StackMap stack: int
5: istore 3
start local 3 6: aload 1
iload 3
invokevirtual java.lang.StringBuffer.append:(I)Ljava/lang/StringBuffer;
pop
7: iload 2
iconst_3
if_icmpge 9
8: aload 1
bipush 46
invokevirtual java.lang.StringBuffer.append:(C)Ljava/lang/StringBuffer;
pop
end local 3 9: StackMap locals:
StackMap stack:
iinc 2 1
StackMap locals:
StackMap stack:
10: iload 2
aload 0
arraylength
if_icmplt 3
end local 2 11: aload 1
invokevirtual java.lang.StringBuffer.toString:()Ljava/lang/String;
areturn
end local 1 end local 0 LocalVariableTable:
Start End Slot Name Signature
0 12 0 bytes [B
1 12 1 addrStr Ljava/lang/StringBuffer;
2 11 2 cnt I
6 9 3 uByte I
MethodParameters:
Name Flags
bytes final
public static int hostNamesInList(java.lang.String, java.lang.String[]);
descriptor: (Ljava/lang/String;[Ljava/lang/String;)I
flags: (0x0009) ACC_PUBLIC, ACC_STATIC
Code:
stack=2, locals=8, args_size=2
start local 0 start local 1 0: aload 0
ldc ","
invokevirtual java.lang.String.split:(Ljava/lang/String;)[Ljava/lang/String;
astore 2
start local 2 1: iconst_0
istore 3
start local 3 2: goto 13
3: StackMap locals: java.lang.String[] int
StackMap stack:
aload 1
iload 3
aaload
astore 4
start local 4 4: iconst_0
istore 5
start local 5 5: goto 11
6: StackMap locals: java.lang.String int
StackMap stack:
aload 2
iload 5
aaload
astore 6
start local 6 7: aload 6
ldc ":"
invokevirtual java.lang.String.split:(Ljava/lang/String;)[Ljava/lang/String;
iconst_0
aaload
astore 7
start local 7 8: aload 7
aload 4
invokevirtual java.lang.String.equalsIgnoreCase:(Ljava/lang/String;)Z
ifeq 10
9: iload 5
ireturn
end local 7 end local 6 10: StackMap locals:
StackMap stack:
iinc 5 1
StackMap locals:
StackMap stack:
11: iload 5
aload 2
arraylength
if_icmplt 6
end local 5 end local 4 12: iinc 3 1
StackMap locals:
StackMap stack:
13: iload 3
aload 1
arraylength
if_icmplt 3
end local 3 14: iconst_m1
ireturn
end local 2 end local 1 end local 0 LocalVariableTable:
Start End Slot Name Signature
0 15 0 serverList Ljava/lang/String;
0 15 1 hostNames [Ljava/lang/String;
1 15 2 serverNames [Ljava/lang/String;
2 14 3 i I
4 12 4 hostname Ljava/lang/String;
5 12 5 j I
7 10 6 serverNameAndPort Ljava/lang/String;
8 10 7 serverName Ljava/lang/String;
MethodParameters:
Name Flags
serverList final
hostNames final
public static boolean hostNameInArray(java.lang.String[], java.lang.String);
descriptor: ([Ljava/lang/String;Ljava/lang/String;)Z
flags: (0x0009) ACC_PUBLIC, ACC_STATIC
Code:
stack=2, locals=6, args_size=2
start local 0 start local 1 0: aload 0
dup
astore 5
arraylength
istore 4
iconst_0
istore 3
goto 5
StackMap locals: java.lang.String[] java.lang.String top int int java.lang.String[]
StackMap stack:
1: aload 5
iload 3
aaload
astore 2
start local 2 2: aload 2
aload 1
invokevirtual java.lang.String.equalsIgnoreCase:(Ljava/lang/String;)Z
ifeq 4
3: iconst_1
ireturn
end local 2 4: StackMap locals:
StackMap stack:
iinc 3 1
StackMap locals:
StackMap stack:
5: iload 3
iload 4
if_icmplt 1
6: iconst_0
ireturn
end local 1 end local 0 LocalVariableTable:
Start End Slot Name Signature
0 7 0 hostNames [Ljava/lang/String;
0 7 1 hostName Ljava/lang/String;
2 4 2 name Ljava/lang/String;
MethodParameters:
Name Flags
hostNames final
hostName final
public static boolean isPortFree(int);
descriptor: (I)Z
flags: (0x0009) ACC_PUBLIC, ACC_STATIC
Code:
stack=4, locals=2, args_size=1
start local 0 0: new java.net.Socket
dup
ldc "localhost"
iload 0
invokespecial java.net.Socket.<init>:(Ljava/lang/String;I)V
astore 1
start local 1 1: aload 1
invokevirtual java.net.Socket.close:()V
2: iconst_0
ireturn
end local 1 3: StackMap locals:
StackMap stack: java.net.ConnectException
pop
4: iconst_1
ireturn
5: StackMap locals:
StackMap stack: java.net.SocketException
astore 1
start local 1 6: aload 1
invokevirtual java.net.SocketException.getMessage:()Ljava/lang/String;
ldc "Connection reset by peer"
invokevirtual java.lang.String.equals:(Ljava/lang/Object;)Z
ifeq 8
7: iconst_1
ireturn
8: StackMap locals: java.net.SocketException
StackMap stack:
new java.lang.RuntimeException
dup
aload 1
invokespecial java.lang.RuntimeException.<init>:(Ljava/lang/Throwable;)V
athrow
end local 1 9: StackMap locals: int
StackMap stack: java.net.UnknownHostException
astore 1
start local 1 10: new java.lang.RuntimeException
dup
aload 1
invokespecial java.lang.RuntimeException.<init>:(Ljava/lang/Throwable;)V
athrow
end local 1 11: StackMap locals:
StackMap stack: java.io.IOException
astore 1
start local 1 12: new java.lang.RuntimeException
dup
aload 1
invokespecial java.lang.RuntimeException.<init>:(Ljava/lang/Throwable;)V
athrow
end local 1 end local 0 LocalVariableTable:
Start End Slot Name Signature
0 13 0 port I
1 3 1 socket Ljava/net/Socket;
6 9 1 e Ljava/net/SocketException;
10 11 1 e Ljava/net/UnknownHostException;
12 13 1 e Ljava/io/IOException;
Exception table:
from to target type
0 2 3 Class java.net.ConnectException
0 2 5 Class java.net.SocketException
0 2 9 Class java.net.UnknownHostException
0 2 11 Class java.io.IOException
MethodParameters:
Name Flags
port
public static java.lang.String getLocalhostName();
descriptor: ()Ljava/lang/String;
flags: (0x0009) ACC_PUBLIC, ACC_STATIC
Code:
stack=3, locals=1, args_size=0
0: ldc "zkclient.hostname.overwritten"
invokestatic java.lang.System.getProperty:(Ljava/lang/String;)Ljava/lang/String;
astore 0
start local 0 1: aload 0
ifnull 3
aload 0
invokevirtual java.lang.String.trim:()Ljava/lang/String;
invokevirtual java.lang.String.length:()I
ifle 3
2: aload 0
areturn
3: StackMap locals: java.lang.String
StackMap stack:
invokestatic java.net.InetAddress.getLocalHost:()Ljava/net/InetAddress;
invokevirtual java.net.InetAddress.getHostName:()Ljava/lang/String;
4: areturn
5: StackMap locals:
StackMap stack: java.net.UnknownHostException
pop
6: new java.lang.RuntimeException
dup
ldc "unable to retrieve localhost name"
invokespecial java.lang.RuntimeException.<init>:(Ljava/lang/String;)V
athrow
end local 0 LocalVariableTable:
Start End Slot Name Signature
1 7 0 property Ljava/lang/String;
Exception table:
from to target type
3 4 5 Class java.net.UnknownHostException
}
SourceFile: "NetworkUtil.java"