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/*
* Copyright 2016-2022 The OSHI Project Contributors
* SPDX-License-Identifier: MIT
*/
package oshi.jna.platform.mac;
import com.sun.jna.Native;
import com.sun.jna.Structure;
import com.sun.jna.Structure.FieldOrder;
import com.sun.jna.Union;
import oshi.jna.platform.unix.CLibrary;
import oshi.util.Util;
/**
* System class. This class should be considered non-API as it may be removed if/when its code is incorporated into the
* JNA project.
*/
public interface SystemB extends com.sun.jna.platform.mac.SystemB, CLibrary {
SystemB INSTANCE = Native.load("System", SystemB.class);
int PROC_PIDLISTFDS = 1;
int PROX_FDTYPE_SOCKET = 2;
int PROC_PIDFDSOCKETINFO = 3;
int TSI_T_NTIMERS = 4;
int SOCKINFO_IN = 1;
int SOCKINFO_TCP = 2;
int UTX_USERSIZE = 256;
int UTX_LINESIZE = 32;
int UTX_IDSIZE = 4;
int UTX_HOSTSIZE = 256;
int AF_INET = 2; // The Internet Protocol version 4 (IPv4) address family.
int AF_INET6 = 30; // The Internet Protocol version 6 (IPv6) address family.
/**
* Mac connection info
*/
@FieldOrder({ "ut_user", "ut_id", "ut_line", "ut_pid", "ut_type", "ut_tv", "ut_host", "ut_pad" })
class MacUtmpx extends Structure {
public byte[] ut_user = new byte[UTX_USERSIZE]; // login name
public byte[] ut_id = new byte[UTX_IDSIZE]; // id
public byte[] ut_line = new byte[UTX_LINESIZE]; // tty name
public int ut_pid; // process id creating the entry
public short ut_type; // type of this entry
public Timeval ut_tv; // time entry was created
public byte[] ut_host = new byte[UTX_HOSTSIZE]; // host name
public byte[] ut_pad = new byte[16]; // reserved for future use
}
/**
* Mac file descriptor info
*/
@FieldOrder({ "proc_fd", "proc_fdtype" })
class ProcFdInfo extends Structure {
public int proc_fd;
public int proc_fdtype;
}
/**
* Mac internet socket info
*/
@FieldOrder({ "insi_fport", "insi_lport", "insi_gencnt", "insi_flags", "insi_flow", "insi_vflag", "insi_ip_ttl",
"rfu_1", "insi_faddr", "insi_laddr", "insi_v4", "insi_v6" })
class InSockInfo extends Structure {
public int insi_fport; /* foreign port */
public int insi_lport; /* local port */
public long insi_gencnt; /* generation count of this instance */
public int insi_flags; /* generic IP/datagram flags */
public int insi_flow;
public byte insi_vflag; /* ini_IPV4 or ini_IPV6 */
public byte insi_ip_ttl; /* time to live proto */
public int rfu_1; /* reserved */
/* protocol dependent part, v4 only in last element */
public int[] insi_faddr = new int[4]; /* foreign host table entry */
public int[] insi_laddr = new int[4]; /* local host table entry */
public byte insi_v4; /* type of service */
public byte[] insi_v6 = new byte[9];
}
/**
* Mac TCP socket info
*/
@FieldOrder({ "tcpsi_ini", "tcpsi_state", "tcpsi_timer", "tcpsi_mss", "tcpsi_flags", "rfu_1", "tcpsi_tp" })
class TcpSockInfo extends Structure {
public InSockInfo tcpsi_ini;
public int tcpsi_state;
public int[] tcpsi_timer = new int[TSI_T_NTIMERS];
public int tcpsi_mss;
public int tcpsi_flags;
public int rfu_1; /* reserved */
public long tcpsi_tp; /* opaque handle of TCP protocol control block */
}
/**
* Mack IP Socket Info
*/
@FieldOrder({ "soi_stat", "soi_so", "soi_pcb", "soi_type", "soi_protocol", "soi_family", "soi_options",
"soi_linger", "soi_state", "soi_qlen", "soi_incqlen", "soi_qlimit", "soi_timeo", "soi_error", "soi_oobmark",
"soi_rcv", "soi_snd", "soi_kind", "rfu_1", "soi_proto" })
class SocketInfo extends Structure {
public long[] soi_stat = new long[17]; // vinfo_stat
public long soi_so; /* opaque handle of socket */
public long soi_pcb; /* opaque handle of protocol control block */
public int soi_type;
public int soi_protocol;
public int soi_family;
public short soi_options;
public short soi_linger;
public short soi_state;
public short soi_qlen;
public short soi_incqlen;
public short soi_qlimit;
public short soi_timeo;
public short soi_error;
public int soi_oobmark;
public int[] soi_rcv = new int[6]; // sockbuf_info
public int[] soi_snd = new int[6]; // sockbuf_info
public int soi_kind;
public int rfu_1; /* reserved */
public Pri soi_proto;
}
/**
* Mac file info
*/
@FieldOrder({ "fi_openflags", "fi_status", "fi_offset", "fi_type", "fi_guardflags" })
class ProcFileInfo extends Structure {
public int fi_openflags;
public int fi_status;
public long fi_offset;
public int fi_type;
public int fi_guardflags;
}
/**
* Mac socket info
*/
@FieldOrder({ "pfi", "psi" })
class SocketFdInfo extends Structure implements AutoCloseable {
public ProcFileInfo pfi;
public SocketInfo psi;
@Override
public void close() {
Util.freeMemory(getPointer());
}
}
/**
* Union for TCP or internet socket info
*/
class Pri extends Union {
public InSockInfo pri_in;
public TcpSockInfo pri_tcp;
// max element is 524 bytes
public byte[] max_size = new byte[524];
}
/**
* 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 MacUtmpx} on success, and NULL on failure (which includes the "record not found" case)
*/
MacUtmpx getutxent();
int proc_pidfdinfo(int pid, int fd, int flavor, Structure buffer, int buffersize);
}