oshi.jna.platform.unix.SolarisLibc Maven / Gradle / Ivy
/*
* Copyright 2021-2022 The OSHI Project Contributors
* SPDX-License-Identifier: MIT
*/
package oshi.jna.platform.unix;
import java.nio.ByteBuffer;
import com.sun.jna.Native;
import com.sun.jna.NativeLong;
import com.sun.jna.Pointer;
import com.sun.jna.Structure;
import com.sun.jna.Structure.FieldOrder;
import oshi.util.FileUtil;
/**
* C library. This class should be considered non-API as it may be removed if/when its code is incorporated into the JNA
* project.
*/
public interface SolarisLibc extends CLibrary {
SolarisLibc INSTANCE = Native.load("c", SolarisLibc.class);
int UTX_USERSIZE = 32;
int UTX_LINESIZE = 32;
int UTX_IDSIZE = 4;
int UTX_HOSTSIZE = 257;
int PRCLSZ = 8;
int PRFNSZ = 16;
int PRLNSZ = 32;
int PRARGSZ = 80;
/**
* Connection info
*/
@FieldOrder({ "ut_user", "ut_id", "ut_line", "ut_pid", "ut_type", "ut_exit", "ut_tv", "ut_session", "pad",
"ut_syslen", "ut_host" })
class SolarisUtmpx extends Structure {
public byte[] ut_user = new byte[UTX_USERSIZE]; // user login name
public byte[] ut_id = new byte[UTX_IDSIZE]; // etc/inittab id (usually line #)
public byte[] ut_line = new byte[UTX_LINESIZE]; // device name
public int ut_pid; // process id
public short ut_type; // type of entry
public Exit_status ut_exit; // process termination/exit status
public Timeval ut_tv; // time entry was made
public int ut_session; // session ID, used for windowing
public int[] pad = new int[5]; // reserved for future use
public short ut_syslen; // significant length of ut_host including terminating null
public byte[] ut_host = new byte[UTX_HOSTSIZE]; // host name
}
/**
* Part of utmpx structure
*/
@FieldOrder({ "e_termination", "e_exit" })
class Exit_status extends Structure {
public short e_termination; // Process termination status
public short e_exit; // Process exit status
}
/**
* 32/64-bit timeval required for utmpx structure
*/
@FieldOrder({ "tv_sec", "tv_usec" })
class Timeval extends Structure {
public NativeLong tv_sec; // seconds
public NativeLong tv_usec; // microseconds
}
/**
* Reads a line from the current file position in the utmp file. It returns a pointer to a structure containing the
* fields of the line.
*
* Not thread safe
*
* @return a {@link SolarisUtmpx} on success, and NULL on failure (which includes the "record not found" case)
*/
SolarisUtmpx getutxent();
/**
* Structure for psinfo file
*/
class SolarisPsInfo {
public int pr_flag; // process flags (DEPRECATED; do not use)
public int pr_nlwp; // number of active lwps in the process
public int pr_pid; // unique process id
public int pr_ppid; // process id of parent
public int pr_pgid; // pid of process group leader
public int pr_sid; // session id
public int pr_uid; // real user id
public int pr_euid; // effective user id
public int pr_gid; // real group id
public int pr_egid; // effective group id
public Pointer pr_addr; // address of process
public size_t pr_size; // size of process image in Kbytes
public size_t pr_rssize; // resident set size in Kbytes
public size_t pr_rssizepriv; // resident set size of private mappings
public NativeLong pr_ttydev; // controlling tty device (or PRNODEV)
// The following percent numbers are 16-bit binary
// fractions [0 .. 1] with the binary point to the
// right of the high-order bit (1.0 == 0x8000)
public short pr_pctcpu; // % of recent cpu time used by all lwps
public short pr_pctmem; // % of system memory used by process
public Timestruc pr_start; // process start time, from the epoch
public Timestruc pr_time; // usr+sys cpu time for this process
public Timestruc pr_ctime; // usr+sys cpu time for reaped children
public byte[] pr_fname = new byte[PRFNSZ]; // name of exec'ed file
public byte[] pr_psargs = new byte[PRARGSZ]; // initial characters of arg list
public int pr_wstat; // if zombie, the wait() status
public int pr_argc; // initial argument count
public Pointer pr_argv; // address of initial argument vector
public Pointer pr_envp; // address of initial environment vector
public byte pr_dmodel; // data model of the process
public byte[] pr_pad2 = new byte[3];
public int pr_taskid; // task id
public int pr_projid; // project id
public int pr_nzomb; // number of zombie lwps in the process
public int pr_poolid; // pool id
public int pr_zoneid; // zone id
public int pr_contract; // process contract id
public int pr_filler; // 4 bytes reserved for future use
public SolarisLwpsInfo pr_lwp; // information for representative lwp
public SolarisPsInfo(ByteBuffer buff) {
this.pr_flag = FileUtil.readIntFromBuffer(buff);
this.pr_nlwp = FileUtil.readIntFromBuffer(buff);
this.pr_pid = FileUtil.readIntFromBuffer(buff);
this.pr_ppid = FileUtil.readIntFromBuffer(buff);
this.pr_pgid = FileUtil.readIntFromBuffer(buff);
this.pr_sid = FileUtil.readIntFromBuffer(buff);
this.pr_uid = FileUtil.readIntFromBuffer(buff);
this.pr_euid = FileUtil.readIntFromBuffer(buff);
this.pr_gid = FileUtil.readIntFromBuffer(buff);
this.pr_egid = FileUtil.readIntFromBuffer(buff);
this.pr_addr = FileUtil.readPointerFromBuffer(buff);
this.pr_size = FileUtil.readSizeTFromBuffer(buff);
this.pr_rssize = FileUtil.readSizeTFromBuffer(buff);
this.pr_rssizepriv = FileUtil.readSizeTFromBuffer(buff);
this.pr_ttydev = FileUtil.readNativeLongFromBuffer(buff);
this.pr_pctcpu = FileUtil.readShortFromBuffer(buff);
this.pr_pctmem = FileUtil.readShortFromBuffer(buff);
// Force 8 byte alignment
if (Native.LONG_SIZE > 4) {
FileUtil.readIntFromBuffer(buff);
}
this.pr_start = new Timestruc(buff);
this.pr_time = new Timestruc(buff);
this.pr_ctime = new Timestruc(buff);
FileUtil.readByteArrayFromBuffer(buff, this.pr_fname);
FileUtil.readByteArrayFromBuffer(buff, this.pr_psargs);
this.pr_wstat = FileUtil.readIntFromBuffer(buff);
this.pr_argc = FileUtil.readIntFromBuffer(buff);
this.pr_argv = FileUtil.readPointerFromBuffer(buff);
this.pr_envp = FileUtil.readPointerFromBuffer(buff);
this.pr_dmodel = FileUtil.readByteFromBuffer(buff);
FileUtil.readByteArrayFromBuffer(buff, this.pr_pad2);
this.pr_taskid = FileUtil.readIntFromBuffer(buff);
this.pr_projid = FileUtil.readIntFromBuffer(buff);
this.pr_nzomb = FileUtil.readIntFromBuffer(buff);
this.pr_poolid = FileUtil.readIntFromBuffer(buff);
this.pr_zoneid = FileUtil.readIntFromBuffer(buff);
this.pr_contract = FileUtil.readIntFromBuffer(buff);
this.pr_filler = FileUtil.readIntFromBuffer(buff);
this.pr_lwp = new SolarisLwpsInfo(buff);
}
}
/**
* Nested Structure for psinfo file
*/
class SolarisLwpsInfo {
public int pr_flag; // lwp flags (DEPRECATED; do not use)
public int pr_lwpid; // lwp id
public Pointer pr_addr; // DEPRECATED was internal address of lwp
public Pointer pr_wchan; // DEPRECATED was wait addr for sleeping lwp
public byte pr_stype; // synchronization event type
public byte pr_state; // numeric lwp state
public byte pr_sname; // printable character for pr_state
public byte pr_nice; // nice for cpu usage
public short pr_syscall; // system call number (if in syscall)
public byte pr_oldpri; // pre-SVR4, low value is high priority
public byte pr_cpu; // pre-SVR4, cpu usage for scheduling
public int pr_pri; // priority, high value = high priority
// The following percent numbers are 16-bit binary
// fractions [0 .. 1] with the binary point to the
// right of the high-order bit (1.0 == 0x8000)
public short pr_pctcpu; // % of recent cpu time used by this lwp
public short pr_pad;
public Timestruc pr_start; // lwp start time, from the epoch
public Timestruc pr_time; // cpu time for this lwp
public byte[] pr_clname = new byte[PRCLSZ]; // scheduling class name
public byte[] pr_oldname = new byte[PRFNSZ]; // binary compatibility -- unused
public int pr_onpro; // processor which last ran this lwp
public int pr_bindpro; // processor to which lwp is bound
public int pr_bindpset; // processor set to which lwp is bound
public int pr_lgrp; // home lgroup
public long pr_last_onproc; // Timestamp of when thread last ran on a processor
public byte[] pr_name = new byte[PRLNSZ]; // name of system lwp
public SolarisLwpsInfo(ByteBuffer buff) {
this.pr_flag = FileUtil.readIntFromBuffer(buff);
this.pr_lwpid = FileUtil.readIntFromBuffer(buff);
this.pr_addr = FileUtil.readPointerFromBuffer(buff);
this.pr_wchan = FileUtil.readPointerFromBuffer(buff);
this.pr_stype = FileUtil.readByteFromBuffer(buff);
this.pr_state = FileUtil.readByteFromBuffer(buff);
this.pr_sname = FileUtil.readByteFromBuffer(buff);
this.pr_nice = FileUtil.readByteFromBuffer(buff);
this.pr_syscall = FileUtil.readShortFromBuffer(buff);
this.pr_oldpri = FileUtil.readByteFromBuffer(buff);
this.pr_cpu = FileUtil.readByteFromBuffer(buff);
this.pr_pri = FileUtil.readIntFromBuffer(buff);
this.pr_pctcpu = FileUtil.readShortFromBuffer(buff);
this.pr_pad = FileUtil.readShortFromBuffer(buff);
this.pr_start = new Timestruc(buff);
this.pr_time = new Timestruc(buff);
FileUtil.readByteArrayFromBuffer(buff, this.pr_clname);
FileUtil.readByteArrayFromBuffer(buff, this.pr_oldname);
this.pr_onpro = FileUtil.readIntFromBuffer(buff);
this.pr_bindpro = FileUtil.readIntFromBuffer(buff);
this.pr_bindpset = FileUtil.readIntFromBuffer(buff);
this.pr_lgrp = FileUtil.readIntFromBuffer(buff);
this.pr_last_onproc = FileUtil.readLongFromBuffer(buff);
FileUtil.readByteArrayFromBuffer(buff, this.pr_name);
}
}
/**
* Structure for usage file
*/
class SolarisPrUsage {
public int pr_lwpid; // lwp id. 0: process or defunct
public int pr_count; // number of contributing lwps
public Timestruc pr_tstamp; // current time stamp
public Timestruc pr_create; // process/lwp creation time stamp
public Timestruc pr_term; // process/lwp termination time stamp
public Timestruc pr_rtime; // total lwp real (elapsed) time
public Timestruc pr_utime; // user level cpu time
public Timestruc pr_stime; // system call cpu time
public Timestruc pr_ttime; // other system trap cpu time
public Timestruc pr_tftime; // text page fault sleep time
public Timestruc pr_dftime; // data page fault sleep time
public Timestruc pr_kftime; // kernel page fault sleep time
public Timestruc pr_ltime; // user lock wait sleep time
public Timestruc pr_slptime; // all other sleep time
public Timestruc pr_wtime; // wait-cpu (latency) time
public Timestruc pr_stoptime; // stopped time
public Timestruc[] filltime = new Timestruc[6]; // filler for future expansion
public NativeLong pr_minf; // minor page faults
public NativeLong pr_majf; // major page faults
public NativeLong pr_nswap; // swaps
public NativeLong pr_inblk; // input blocks
public NativeLong pr_oublk; // output blocks
public NativeLong pr_msnd; // messages sent
public NativeLong pr_mrcv; // messages received
public NativeLong pr_sigs; // signals received
public NativeLong pr_vctx; // voluntary context switches
public NativeLong pr_ictx; // involuntary context switches
public NativeLong pr_sysc; // system calls
public NativeLong pr_ioch; // chars read and written
public NativeLong[] filler = new NativeLong[10]; // filler for future expansion
public SolarisPrUsage(ByteBuffer buff) {
this.pr_lwpid = FileUtil.readIntFromBuffer(buff);
this.pr_count = FileUtil.readIntFromBuffer(buff);
this.pr_tstamp = new Timestruc(buff);
this.pr_create = new Timestruc(buff);
this.pr_term = new Timestruc(buff);
this.pr_rtime = new Timestruc(buff);
this.pr_utime = new Timestruc(buff);
this.pr_stime = new Timestruc(buff);
this.pr_ttime = new Timestruc(buff);
this.pr_tftime = new Timestruc(buff);
this.pr_dftime = new Timestruc(buff);
this.pr_kftime = new Timestruc(buff);
this.pr_ltime = new Timestruc(buff);
this.pr_slptime = new Timestruc(buff);
this.pr_wtime = new Timestruc(buff);
this.pr_stoptime = new Timestruc(buff);
for (int i = 0; i < filltime.length; i++) {
this.filltime[i] = new Timestruc(buff);
}
this.pr_minf = FileUtil.readNativeLongFromBuffer(buff);
this.pr_majf = FileUtil.readNativeLongFromBuffer(buff);
this.pr_nswap = FileUtil.readNativeLongFromBuffer(buff);
this.pr_inblk = FileUtil.readNativeLongFromBuffer(buff);
this.pr_oublk = FileUtil.readNativeLongFromBuffer(buff);
this.pr_msnd = FileUtil.readNativeLongFromBuffer(buff);
this.pr_mrcv = FileUtil.readNativeLongFromBuffer(buff);
this.pr_sigs = FileUtil.readNativeLongFromBuffer(buff);
this.pr_vctx = FileUtil.readNativeLongFromBuffer(buff);
this.pr_ictx = FileUtil.readNativeLongFromBuffer(buff);
this.pr_sysc = FileUtil.readNativeLongFromBuffer(buff);
this.pr_ioch = FileUtil.readNativeLongFromBuffer(buff);
for (int i = 0; i < filler.length; i++) {
this.filler[i] = FileUtil.readNativeLongFromBuffer(buff);
}
}
}
/**
* 32/64-bit timestruc required for psinfo and lwpsinfo structures
*/
class Timestruc {
public NativeLong tv_sec; // seconds
public NativeLong tv_nsec; // nanoseconds
public Timestruc(ByteBuffer buff) {
this.tv_sec = FileUtil.readNativeLongFromBuffer(buff);
this.tv_nsec = FileUtil.readNativeLongFromBuffer(buff);
}
}
/**
* Returns the thread ID of the calling thread.
*
* @return the thread ID of the calling thread.
*/
int thr_self();
}