public class org.eclipse.jdt.launching.SocketUtil
minor version: 0
major version: 59
flags: flags: (0x0021) ACC_PUBLIC, ACC_SUPER
this_class: org.eclipse.jdt.launching.SocketUtil
super_class: java.lang.Object
{
private static final java.util.Random fgRandom;
descriptor: Ljava/util/Random;
flags: (0x001a) ACC_PRIVATE, ACC_STATIC, ACC_FINAL
static void <clinit>();
descriptor: ()V
flags: (0x0008) ACC_STATIC
Code:
stack=4, locals=0, args_size=0
0: new java.util.Random
dup
invokestatic java.lang.System.currentTimeMillis:()J
invokespecial java.util.Random.<init>:(J)V
putstatic org.eclipse.jdt.launching.SocketUtil.fgRandom:Ljava/util/Random;
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 0: aload 0
invokespecial java.lang.Object.<init>:()V
return
end local 0 LocalVariableTable:
Start End Slot Name Signature
0 1 0 this Lorg/eclipse/jdt/launching/SocketUtil;
public static int findUnusedLocalPort(java.lang.String, int, int);
descriptor: (Ljava/lang/String;II)I
flags: (0x0009) ACC_PUBLIC, ACC_STATIC
Code:
stack=4, locals=8, args_size=3
start local 0 start local 1 start local 2 0: iconst_0
istore 3
start local 3 1: goto 15
2: StackMap locals: int
StackMap stack:
iload 1
iload 2
invokestatic org.eclipse.jdt.launching.SocketUtil.getRandomPort:(II)I
istore 4
start local 4 3: aconst_null
astore 5
aconst_null
astore 6
4: new java.net.Socket
dup
aload 0
iload 4
invokespecial java.net.Socket.<init>:(Ljava/lang/String;I)V
astore 7
start local 7 5: aload 7
ifnull 14
aload 7
invokevirtual java.net.Socket.close:()V
goto 14
StackMap locals: java.lang.String int int int int java.lang.Throwable java.lang.Throwable java.net.Socket
StackMap stack: java.lang.Throwable
6: astore 5
aload 7
ifnull 7
aload 7
invokevirtual java.net.Socket.close:()V
end local 7 StackMap locals:
StackMap stack:
7: aload 5
athrow
StackMap locals:
StackMap stack: java.lang.Throwable
8: astore 6
aload 5
ifnonnull 9
aload 6
astore 5
goto 10
StackMap locals:
StackMap stack:
9: aload 5
aload 6
if_acmpeq 10
aload 5
aload 6
invokevirtual java.lang.Throwable.addSuppressed:(Ljava/lang/Throwable;)V
StackMap locals:
StackMap stack:
10: aload 5
athrow
StackMap locals: java.lang.String int int int int
StackMap stack: java.net.ConnectException
11: pop
12: iload 4
ireturn
13: StackMap locals:
StackMap stack: java.io.IOException
pop
end local 4 14: StackMap locals:
StackMap stack:
iinc 3 1
StackMap locals:
StackMap stack:
15: iload 3
bipush 10
if_icmplt 2
end local 3 16: iconst_m1
ireturn
end local 2 end local 1 end local 0 LocalVariableTable:
Start End Slot Name Signature
0 17 0 host Ljava/lang/String;
0 17 1 searchFrom I
0 17 2 searchTo I
1 16 3 i I
3 14 4 port I
5 7 7 s Ljava/net/Socket;
Exception table:
from to target type
4 8 8 any
3 11 11 Class java.net.ConnectException
3 11 13 Class java.io.IOException
RuntimeVisibleAnnotations:
java.lang.Deprecated()
MethodParameters:
Name Flags
host
searchFrom
searchTo
private static int getRandomPort(int, int);
descriptor: (II)I
flags: (0x000a) ACC_PRIVATE, ACC_STATIC
Code:
stack=3, locals=2, args_size=2
start local 0 start local 1 0: getstatic org.eclipse.jdt.launching.SocketUtil.fgRandom:Ljava/util/Random;
invokevirtual java.util.Random.nextFloat:()F
iload 1
iload 0
isub
i2f
fmul
f2i
iload 0
iadd
ireturn
end local 1 end local 0 LocalVariableTable:
Start End Slot Name Signature
0 1 0 low I
0 1 1 high I
MethodParameters:
Name Flags
low
high
public static int findFreePort();
descriptor: ()I
flags: (0x0009) ACC_PUBLIC, ACC_STATIC
Code:
stack=3, locals=3, args_size=0
0: aconst_null
astore 0
aconst_null
astore 1
1: new java.net.ServerSocket
dup
iconst_0
invokespecial java.net.ServerSocket.<init>:(I)V
astore 2
start local 2 2: aload 2
invokevirtual java.net.ServerSocket.getLocalPort:()I
3: aload 2
ifnull 4
aload 2
invokevirtual java.net.ServerSocket.close:()V
4: StackMap locals: java.lang.Throwable java.lang.Throwable java.net.ServerSocket
StackMap stack: int
ireturn
StackMap locals:
StackMap stack: java.lang.Throwable
5: astore 0
6: aload 2
ifnull 7
aload 2
invokevirtual java.net.ServerSocket.close:()V
end local 2 StackMap locals:
StackMap stack:
7: aload 0
athrow
StackMap locals:
StackMap stack: java.lang.Throwable
8: astore 1
aload 0
ifnonnull 9
aload 1
astore 0
goto 10
StackMap locals:
StackMap stack:
9: aload 0
aload 1
if_acmpeq 10
aload 0
aload 1
invokevirtual java.lang.Throwable.addSuppressed:(Ljava/lang/Throwable;)V
StackMap locals:
StackMap stack:
10: aload 0
athrow
StackMap locals:
StackMap stack: java.io.IOException
11: pop
12: iconst_m1
ireturn
LocalVariableTable:
Start End Slot Name Signature
2 7 2 socket Ljava/net/ServerSocket;
Exception table:
from to target type
2 3 5 any
1 4 8 any
5 8 8 any
0 4 11 Class java.io.IOException
5 11 11 Class java.io.IOException
}
SourceFile: "SocketUtil.java"