public class org.apache.zookeeper.server.util.OSMXBean extends java.lang.Object
{
private static final org.slf4j.Logger LOG;
private java.lang.management.OperatingSystemMXBean osMbean;
private static final boolean ibmvendor;
private static final boolean windows;
private static final boolean linux;
public void <init>()
{
java.lang.management.OperatingSystemMXBean v;
org.apache.zookeeper.server.util.OSMXBean v;
v := @this: org.apache.zookeeper.server.util.OSMXBean;
specialinvoke v.<java.lang.Object: void <init>()>();
v = staticinvoke <java.lang.management.ManagementFactory: java.lang.management.OperatingSystemMXBean getOperatingSystemMXBean()>();
v.<org.apache.zookeeper.server.util.OSMXBean: java.lang.management.OperatingSystemMXBean osMbean> = v;
return;
}
public boolean getUnix()
{
org.apache.zookeeper.server.util.OSMXBean v;
boolean v, v, v, v;
v := @this: org.apache.zookeeper.server.util.OSMXBean;
v = <org.apache.zookeeper.server.util.OSMXBean: boolean windows>;
if v == 0 goto label;
return 0;
label:
v = <org.apache.zookeeper.server.util.OSMXBean: boolean ibmvendor>;
if v == 0 goto label;
v = <org.apache.zookeeper.server.util.OSMXBean: boolean linux>;
if v == 0 goto label;
label:
v = 1;
goto label;
label:
v = 0;
label:
return v;
}
private java.lang.Long getOSUnixMXBeanMethod(java.lang.String)
{
java.lang.Object[] v;
org.slf4j.Logger v;
java.lang.Class[] v;
org.apache.zookeeper.server.util.OSMXBean v;
java.lang.Exception v;
java.lang.Class v;
java.lang.Object v, v;
java.lang.String v;
java.lang.management.OperatingSystemMXBean v, v;
java.lang.reflect.Method v;
boolean v;
v := @this: org.apache.zookeeper.server.util.OSMXBean;
v := @parameter: java.lang.String;
label:
v = staticinvoke <java.lang.Class: java.lang.Class forName(java.lang.String)>("com.sun.management.UnixOperatingSystemMXBean");
v = v.<org.apache.zookeeper.server.util.OSMXBean: java.lang.management.OperatingSystemMXBean osMbean>;
v = virtualinvoke v.<java.lang.Class: boolean isInstance(java.lang.Object)>(v);
if v == 0 goto label;
v = newarray (java.lang.Class)[0];
v = virtualinvoke v.<java.lang.Class: java.lang.reflect.Method getDeclaredMethod(java.lang.String,java.lang.Class[])>(v, v);
v = v.<org.apache.zookeeper.server.util.OSMXBean: java.lang.management.OperatingSystemMXBean osMbean>;
v = virtualinvoke v.<java.lang.Class: java.lang.Object cast(java.lang.Object)>(v);
v = newarray (java.lang.Object)[0];
v = virtualinvoke v.<java.lang.reflect.Method: java.lang.Object invoke(java.lang.Object,java.lang.Object[])>(v, v);
label:
return v;
label:
v := @caughtexception;
v = <org.apache.zookeeper.server.util.OSMXBean: org.slf4j.Logger LOG>;
interfaceinvoke v.<org.slf4j.Logger: void warn(java.lang.String,java.lang.Throwable)>("Not able to load class or method for com.sun.managment.UnixOperatingSystemMXBean.", v);
label:
return null;
catch java.lang.Exception from label to label with label;
}
public long getOpenFileDescriptorCount()
{
java.lang.Throwable v;
java.lang.String[] v, v;
long v, v;
java.lang.Long v;
java.lang.String v, v, v, v;
boolean v;
java.lang.management.RuntimeMXBean v;
org.slf4j.Logger v;
java.lang.Process v;
java.lang.Runtime v;
java.io.IOException v;
java.io.InputStreamReader v;
org.apache.zookeeper.server.util.OSMXBean v;
java.io.BufferedReader v;
java.io.InputStream v;
v := @this: org.apache.zookeeper.server.util.OSMXBean;
v = <org.apache.zookeeper.server.util.OSMXBean: boolean ibmvendor>;
if v != 0 goto label;
v = specialinvoke v.<org.apache.zookeeper.server.util.OSMXBean: java.lang.Long getOSUnixMXBeanMethod(java.lang.String)>("getOpenFileDescriptorCount");
if v == null goto label;
v = virtualinvoke v.<java.lang.Long: long longValue()>();
goto label;
label:
v = -1L;
label:
return v;
label:
v = staticinvoke <java.lang.management.ManagementFactory: java.lang.management.RuntimeMXBean getRuntimeMXBean()>();
v = interfaceinvoke v.<java.lang.management.RuntimeMXBean: java.lang.String getName()>();
v = virtualinvoke v.<java.lang.String: java.lang.String[] split(java.lang.String)>("@");
v = staticinvoke <java.lang.Runtime: java.lang.Runtime getRuntime()>();
v = newarray (java.lang.String)[3];
v[0] = "bash";
v[1] = "-c";
v = v[0];
v = dynamicinvoke "makeConcatWithConstants" <java.lang.String (java.lang.String)>(v) <java.lang.invoke.StringConcatFactory: java.lang.invoke.CallSite makeConcatWithConstants(java.lang.invoke.MethodHandles$Lookup,java.lang.String,java.lang.invoke.MethodType,java.lang.String,java.lang.Object[])>("ls /proc/\u0001/fdinfo | wc -l");
v[2] = v;
v = virtualinvoke v.<java.lang.Runtime: java.lang.Process exec(java.lang.String[])>(v);
v = virtualinvoke v.<java.lang.Process: java.io.InputStream getInputStream()>();
v = new java.io.BufferedReader;
v = new java.io.InputStreamReader;
specialinvoke v.<java.io.InputStreamReader: void <init>(java.io.InputStream)>(v);
specialinvoke v.<java.io.BufferedReader: void <init>(java.io.Reader)>(v);
label:
v = virtualinvoke v.<java.io.BufferedReader: java.lang.String readLine()>();
if v == null goto label;
v = staticinvoke <java.lang.Long: long parseLong(java.lang.String)>(v);
label:
virtualinvoke v.<java.io.BufferedReader: void close()>();
label:
return v;
label:
virtualinvoke v.<java.io.BufferedReader: void close()>();
goto label;
label:
v := @caughtexception;
if v == null goto label;
virtualinvoke v.<java.io.BufferedReader: void close()>();
label:
throw v;
label:
v := @caughtexception;
v = <org.apache.zookeeper.server.util.OSMXBean: org.slf4j.Logger LOG>;
interfaceinvoke v.<org.slf4j.Logger: void warn(java.lang.String,java.lang.Throwable)>("Not able to get the number of open file descriptors", v);
label:
return -1L;
catch java.lang.Throwable from label to label with label;
catch java.io.IOException from label to label with label;
catch java.io.IOException from label to label with label;
}
public long getMaxFileDescriptorCount()
{
java.lang.Throwable v;
org.slf4j.Logger v;
java.lang.Process v;
java.lang.Runtime v;
java.io.IOException v;
java.lang.String[] v;
long v, v;
java.io.InputStreamReader v;
org.apache.zookeeper.server.util.OSMXBean v;
java.lang.Long v;
java.io.BufferedReader v;
java.lang.String v;
boolean v;
java.io.InputStream v;
v := @this: org.apache.zookeeper.server.util.OSMXBean;
v = <org.apache.zookeeper.server.util.OSMXBean: boolean ibmvendor>;
if v != 0 goto label;
v = specialinvoke v.<org.apache.zookeeper.server.util.OSMXBean: java.lang.Long getOSUnixMXBeanMethod(java.lang.String)>("getMaxFileDescriptorCount");
if v == null goto label;
v = virtualinvoke v.<java.lang.Long: long longValue()>();
goto label;
label:
v = -1L;
label:
return v;
label:
v = staticinvoke <java.lang.Runtime: java.lang.Runtime getRuntime()>();
v = newarray (java.lang.String)[3];
v[0] = "bash";
v[1] = "-c";
v[2] = "ulimit -n";
v = virtualinvoke v.<java.lang.Runtime: java.lang.Process exec(java.lang.String[])>(v);
v = virtualinvoke v.<java.lang.Process: java.io.InputStream getInputStream()>();
v = new java.io.BufferedReader;
v = new java.io.InputStreamReader;
specialinvoke v.<java.io.InputStreamReader: void <init>(java.io.InputStream)>(v);
specialinvoke v.<java.io.BufferedReader: void <init>(java.io.Reader)>(v);
label:
v = virtualinvoke v.<java.io.BufferedReader: java.lang.String readLine()>();
if v == null goto label;
v = staticinvoke <java.lang.Long: long parseLong(java.lang.String)>(v);
label:
virtualinvoke v.<java.io.BufferedReader: void close()>();
label:
return v;
label:
virtualinvoke v.<java.io.BufferedReader: void close()>();
goto label;
label:
v := @caughtexception;
if v == null goto label;
virtualinvoke v.<java.io.BufferedReader: void close()>();
label:
throw v;
label:
v := @caughtexception;
v = <org.apache.zookeeper.server.util.OSMXBean: org.slf4j.Logger LOG>;
interfaceinvoke v.<org.slf4j.Logger: void warn(java.lang.String,java.lang.Throwable)>("Not able to get the max number of file descriptors", v);
label:
return -1L;
catch java.lang.Throwable from label to label with label;
catch java.io.IOException from label to label with label;
catch java.io.IOException from label to label with label;
}
static void <clinit>()
{
org.slf4j.Logger v;
java.lang.String v, v, v;
boolean v, v, v;
v = staticinvoke <org.slf4j.LoggerFactory: org.slf4j.Logger getLogger(java.lang.Class)>(class "Lorg/apache/zookeeper/server/util/OSMXBean;");
<org.apache.zookeeper.server.util.OSMXBean: org.slf4j.Logger LOG> = v;
v = staticinvoke <java.lang.System: java.lang.String getProperty(java.lang.String)>("java.vendor");
v = virtualinvoke v.<java.lang.String: boolean contains(java.lang.CharSequence)>("IBM");
<org.apache.zookeeper.server.util.OSMXBean: boolean ibmvendor> = v;
v = staticinvoke <java.lang.System: java.lang.String getProperty(java.lang.String)>("os.name");
v = virtualinvoke v.<java.lang.String: boolean startsWith(java.lang.String)>("Windows");
<org.apache.zookeeper.server.util.OSMXBean: boolean windows> = v;
v = staticinvoke <java.lang.System: java.lang.String getProperty(java.lang.String)>("os.name");
v = virtualinvoke v.<java.lang.String: boolean startsWith(java.lang.String)>("Linux");
<org.apache.zookeeper.server.util.OSMXBean: boolean linux> = v;
return;
}
}