/
_psutil_bsd.c
1104 lines (995 loc) · 34.1 KB
/
_psutil_bsd.c
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/*
* Copyright (c) 2009, Giampaolo Rodola', Landry Breuil (OpenBSD).
* All rights reserved.
* Use of this source code is governed by a BSD-style license that can be
* found in the LICENSE file.
*
* Platform-specific module methods for FreeBSD and OpenBSD.
* OpenBSD references:
* - OpenBSD source code: https://github.com/openbsd/src
*
* OpenBSD / NetBSD: missing APIs compared to FreeBSD implementation:
* - psutil.net_connections()
* - psutil.Process.get/set_cpu_affinity() (not supported natively)
* - psutil.Process.memory_maps()
*/
#if defined(PSUTIL_NETBSD)
#define _KMEMUSER
#endif
#include <Python.h>
#include <assert.h>
#include <errno.h>
#include <stdlib.h>
#include <stdio.h>
#include <signal.h>
#include <fcntl.h>
#include <paths.h>
#include <sys/types.h>
#include <sys/param.h>
#include <sys/sysctl.h>
#include <sys/user.h>
#include <sys/proc.h>
#include <sys/file.h>
#include <sys/socket.h>
#include <net/route.h>
#include <sys/socketvar.h> // for struct xsocket
#include <sys/un.h>
#include <sys/unpcb.h>
// for xinpcb struct
#include <netinet/in.h>
#include <netinet/in_systm.h>
#include <netinet/ip.h>
#include <netinet/in_pcb.h>
#include <netinet/tcp.h>
#include <netinet/tcp_timer.h>
#include <netinet/ip_var.h>
#include <netinet/tcp_var.h> // for struct xtcpcb
#include <netinet/tcp_fsm.h> // for TCP connection states
#include <arpa/inet.h> // for inet_ntop()
#include <sys/mount.h>
#include <net/if.h> // net io counters
#include <net/if_dl.h>
#include <net/route.h>
#include <netinet/in.h> // process open files/connections
#include <sys/un.h>
#include "_psutil_common.h"
#include "_psutil_posix.h"
#ifdef PSUTIL_FREEBSD
#include "arch/freebsd/specific.h"
#include "arch/freebsd/sys_socks.h"
#include "arch/freebsd/proc_socks.h"
#include <net/if_media.h>
#include <devstat.h> // get io counters
#include <libutil.h> // process open files, shared libs (kinfo_getvmmap)
#if __FreeBSD_version < 900000
#include <utmp.h> // system users
#else
#include <utmpx.h>
#endif
#elif PSUTIL_OPENBSD
#include "arch/openbsd/specific.h"
#include <utmp.h>
#include <sys/vnode.h> // for VREG
#define _KERNEL // for DTYPE_VNODE
#include <sys/file.h>
#undef _KERNEL
#include <sys/sched.h> // for CPUSTATES & CP_*
#elif PSUTIL_NETBSD
#include "arch/netbsd/specific.h"
#include "arch/netbsd/socks.h"
#include <utmpx.h>
#include <sys/vnode.h> // for VREG
#include <sys/sched.h> // for CPUSTATES & CP_*
#ifndef DTYPE_VNODE
#define DTYPE_VNODE 1
#endif
#endif
// convert a timeval struct to a double
#define PSUTIL_TV2DOUBLE(t) ((t).tv_sec + (t).tv_usec / 1000000.0)
#ifdef PSUTIL_FREEBSD
// convert a bintime struct to milliseconds
#define PSUTIL_BT2MSEC(bt) (bt.sec * 1000 + (((uint64_t) 1000000000 * \
(uint32_t) (bt.frac >> 32) ) >> 32 ) / 1000000)
#endif
#if defined(PSUTIL_OPENBSD) || defined (PSUTIL_NETBSD)
#define PSUTIL_KPT2DOUBLE(t) (t ## _sec + t ## _usec / 1000000.0)
#endif
/*
* Return a Python list of all the PIDs running on the system.
*/
static PyObject *
psutil_pids(PyObject *self, PyObject *args) {
kinfo_proc *proclist = NULL;
kinfo_proc *orig_address = NULL;
size_t num_processes;
size_t idx;
PyObject *py_retlist = PyList_New(0);
PyObject *py_pid = NULL;
if (py_retlist == NULL)
return NULL;
// TODO: RuntimeError is inappropriate here; we could return the
// original error instead.
if (psutil_get_proc_list(&proclist, &num_processes) != 0) {
if (errno != 0) {
PyErr_SetFromErrno(PyExc_OSError);
}
else {
PyErr_SetString(PyExc_RuntimeError,
"failed to retrieve process list");
}
goto error;
}
if (num_processes > 0) {
orig_address = proclist; // save so we can free it after we're done
for (idx = 0; idx < num_processes; idx++) {
#ifdef PSUTIL_FREEBSD
py_pid = Py_BuildValue("i", proclist->ki_pid);
#elif defined(PSUTIL_OPENBSD) || defined(PSUTIL_NETBSD)
py_pid = Py_BuildValue("i", proclist->p_pid);
#endif
if (!py_pid)
goto error;
if (PyList_Append(py_retlist, py_pid))
goto error;
Py_DECREF(py_pid);
proclist++;
}
free(orig_address);
}
return py_retlist;
error:
Py_XDECREF(py_pid);
Py_DECREF(py_retlist);
if (orig_address != NULL)
free(orig_address);
return NULL;
}
/*
* Return a Python float indicating the system boot time expressed in
* seconds since the epoch.
*/
static PyObject *
psutil_boot_time(PyObject *self, PyObject *args) {
// fetch sysctl "kern.boottime"
static int request[2] = { CTL_KERN, KERN_BOOTTIME };
struct timeval boottime;
size_t len = sizeof(boottime);
if (sysctl(request, 2, &boottime, &len, NULL, 0) == -1)
return PyErr_SetFromErrno(PyExc_OSError);
return Py_BuildValue("d", (double)boottime.tv_sec);
}
/*
* Collect different info about a process in one shot and return
* them as a big Python tuple.
*/
static PyObject *
psutil_proc_oneshot_info(PyObject *self, PyObject *args) {
long pid;
long rss;
long vms;
long memtext;
long memdata;
long memstack;
int oncpu;
kinfo_proc kp;
long pagesize = sysconf(_SC_PAGESIZE);
char str[1000];
PyObject *py_name;
PyObject *py_retlist;
if (! PyArg_ParseTuple(args, "l", &pid))
return NULL;
if (psutil_kinfo_proc(pid, &kp) == -1)
return NULL;
// Process
#ifdef PSUTIL_FREEBSD
sprintf(str, "%s", kp.ki_comm);
#elif defined(PSUTIL_OPENBSD) || defined(PSUTIL_NETBSD)
sprintf(str, "%s", kp.p_comm);
#endif
py_name = PyUnicode_DecodeFSDefault(str);
if (! py_name) {
// Likely a decoding error. We don't want to fail the whole
// operation. The python module may retry with proc_name().
PyErr_Clear();
py_name = Py_None;
}
// Calculate memory.
#ifdef PSUTIL_FREEBSD
rss = (long)kp.ki_rssize * pagesize;
vms = (long)kp.ki_size;
memtext = (long)kp.ki_tsize * pagesize;
memdata = (long)kp.ki_dsize * pagesize;
memstack = (long)kp.ki_ssize * pagesize;
#else
rss = (long)kp.p_vm_rssize * pagesize;
#ifdef PSUTIL_OPENBSD
// VMS, this is how ps determines it on OpenBSD:
// https://github.com/openbsd/src/blob/
// 588f7f8c69786211f2d16865c552afb91b1c7cba/bin/ps/print.c#L505
vms = (long)(kp.p_vm_dsize + kp.p_vm_ssize + kp.p_vm_tsize) * pagesize;
#elif PSUTIL_NETBSD
// VMS, this is how top determines it on NetBSD:
// https://github.com/IIJ-NetBSD/netbsd-src/blob/master/external/
// bsd/top/dist/machine/m_netbsd.c
vms = (long)kp.p_vm_msize * pagesize;
#endif
memtext = (long)kp.p_vm_tsize * pagesize;
memdata = (long)kp.p_vm_dsize * pagesize;
memstack = (long)kp.p_vm_ssize * pagesize;
#endif
#ifdef PSUTIL_FREEBSD
// what CPU we're on; top was used as an example:
// https://svnweb.freebsd.org/base/head/usr.bin/top/machine.c?
// view=markup&pathrev=273835
// XXX - note: for "intr" PID this is -1.
if (kp.ki_stat == SRUN && kp.ki_oncpu != NOCPU)
oncpu = kp.ki_oncpu;
else
oncpu = kp.ki_lastcpu;
#else
// On Net/OpenBSD we have kp.p_cpuid but it appears it's always
// set to KI_NOCPU. Even if it's not, ki_lastcpu does not exist
// so there's no way to determine where "sleeping" processes
// were. Not supported.
oncpu = -1;
#endif
// Return a single big tuple with all process info.
py_retlist = Py_BuildValue(
"(lillllllidllllddddlllllbO)",
#ifdef PSUTIL_FREEBSD
//
(long)kp.ki_ppid, // (long) ppid
(int)kp.ki_stat, // (int) status
// UIDs
(long)kp.ki_ruid, // (long) real uid
(long)kp.ki_uid, // (long) effective uid
(long)kp.ki_svuid, // (long) saved uid
// GIDs
(long)kp.ki_rgid, // (long) real gid
(long)kp.ki_groups[0], // (long) effective gid
(long)kp.ki_svuid, // (long) saved gid
//
kp.ki_tdev, // (int) tty nr
PSUTIL_TV2DOUBLE(kp.ki_start), // (double) create time
// ctx switches
kp.ki_rusage.ru_nvcsw, // (long) ctx switches (voluntary)
kp.ki_rusage.ru_nivcsw, // (long) ctx switches (unvoluntary)
// IO count
kp.ki_rusage.ru_inblock, // (long) read io count
kp.ki_rusage.ru_oublock, // (long) write io count
// CPU times: convert from micro seconds to seconds.
PSUTIL_TV2DOUBLE(kp.ki_rusage.ru_utime), // (double) user time
PSUTIL_TV2DOUBLE(kp.ki_rusage.ru_stime), // (double) sys time
PSUTIL_TV2DOUBLE(kp.ki_rusage_ch.ru_utime), // (double) children utime
PSUTIL_TV2DOUBLE(kp.ki_rusage_ch.ru_stime), // (double) children stime
// memory
rss, // (long) rss
vms, // (long) vms
memtext, // (long) mem text
memdata, // (long) mem data
memstack, // (long) mem stack
// others
oncpu, // (int) the CPU we are on
#elif defined(PSUTIL_OPENBSD) || defined(PSUTIL_NETBSD)
//
(long)kp.p_ppid, // (long) ppid
(int)kp.p_stat, // (int) status
// UIDs
(long)kp.p_ruid, // (long) real uid
(long)kp.p_uid, // (long) effective uid
(long)kp.p_svuid, // (long) saved uid
// GIDs
(long)kp.p_rgid, // (long) real gid
(long)kp.p_groups[0], // (long) effective gid
(long)kp.p_svuid, // (long) saved gid
//
kp.p_tdev, // (int) tty nr
PSUTIL_KPT2DOUBLE(kp.p_ustart), // (double) create time
// ctx switches
kp.p_uru_nvcsw, // (long) ctx switches (voluntary)
kp.p_uru_nivcsw, // (long) ctx switches (unvoluntary)
// IO count
kp.p_uru_inblock, // (long) read io count
kp.p_uru_oublock, // (long) write io count
// CPU times: convert from micro seconds to seconds.
PSUTIL_KPT2DOUBLE(kp.p_uutime), // (double) user time
PSUTIL_KPT2DOUBLE(kp.p_ustime), // (double) sys time
// OpenBSD and NetBSD provide children user + system times summed
// together (no distinction).
kp.p_uctime_sec + kp.p_uctime_usec / 1000000.0, // (double) ch utime
kp.p_uctime_sec + kp.p_uctime_usec / 1000000.0, // (double) ch stime
// memory
rss, // (long) rss
vms, // (long) vms
memtext, // (long) mem text
memdata, // (long) mem data
memstack, // (long) mem stack
// others
oncpu, // (int) the CPU we are on
#endif
py_name // (pystr) name
);
if (py_retlist != NULL) {
// XXX shall we decref() also in case of Py_BuildValue() error?
Py_DECREF(py_name);
}
return py_retlist;
}
/*
* Return process name from kinfo_proc as a Python string.
*/
static PyObject *
psutil_proc_name(PyObject *self, PyObject *args) {
long pid;
kinfo_proc kp;
char str[1000];
if (! PyArg_ParseTuple(args, "l", &pid))
return NULL;
if (psutil_kinfo_proc(pid, &kp) == -1)
return NULL;
#ifdef PSUTIL_FREEBSD
sprintf(str, "%s", kp.ki_comm);
#elif defined(PSUTIL_OPENBSD) || defined(PSUTIL_NETBSD)
sprintf(str, "%s", kp.p_comm);
#endif
return PyUnicode_DecodeFSDefault(str);
}
/*
* Return process cmdline as a Python list of cmdline arguments.
*/
static PyObject *
psutil_proc_cmdline(PyObject *self, PyObject *args) {
long pid;
PyObject *py_retlist = NULL;
if (! PyArg_ParseTuple(args, "l", &pid))
return NULL;
py_retlist = psutil_get_cmdline(pid);
if (py_retlist == NULL)
return NULL;
return Py_BuildValue("N", py_retlist);
}
/*
* Return the number of logical CPUs in the system.
* XXX this could be shared with macOS
*/
static PyObject *
psutil_cpu_count_logical(PyObject *self, PyObject *args) {
int mib[2];
int ncpu;
size_t len;
mib[0] = CTL_HW;
mib[1] = HW_NCPU;
len = sizeof(ncpu);
if (sysctl(mib, 2, &ncpu, &len, NULL, 0) == -1)
Py_RETURN_NONE; // mimic os.cpu_count()
else
return Py_BuildValue("i", ncpu);
}
/*
* Return a Python tuple representing user, kernel and idle CPU times
*/
static PyObject *
psutil_cpu_times(PyObject *self, PyObject *args) {
#ifdef PSUTIL_NETBSD
u_int64_t cpu_time[CPUSTATES];
#else
long cpu_time[CPUSTATES];
#endif
size_t size = sizeof(cpu_time);
int ret;
#if defined(PSUTIL_FREEBSD) || defined(PSUTIL_NETBSD)
ret = sysctlbyname("kern.cp_time", &cpu_time, &size, NULL, 0);
#elif PSUTIL_OPENBSD
int mib[] = {CTL_KERN, KERN_CPTIME};
ret = sysctl(mib, 2, &cpu_time, &size, NULL, 0);
#endif
if (ret == -1)
return PyErr_SetFromErrno(PyExc_OSError);
return Py_BuildValue("(ddddd)",
(double)cpu_time[CP_USER] / CLOCKS_PER_SEC,
(double)cpu_time[CP_NICE] / CLOCKS_PER_SEC,
(double)cpu_time[CP_SYS] / CLOCKS_PER_SEC,
(double)cpu_time[CP_IDLE] / CLOCKS_PER_SEC,
(double)cpu_time[CP_INTR] / CLOCKS_PER_SEC
);
}
/*
* Return files opened by process as a list of (path, fd) tuples.
* TODO: this is broken as it may report empty paths. 'procstat'
* utility has the same problem see:
* https://github.com/giampaolo/psutil/issues/595
*/
#if (defined(__FreeBSD_version) && __FreeBSD_version >= 800000) || PSUTIL_OPENBSD || defined(PSUTIL_NETBSD)
static PyObject *
psutil_proc_open_files(PyObject *self, PyObject *args) {
long pid;
int i;
int cnt;
int regular;
int fd;
char *path;
struct kinfo_file *freep = NULL;
struct kinfo_file *kif;
kinfo_proc kipp;
PyObject *py_tuple = NULL;
PyObject *py_path = NULL;
PyObject *py_retlist = PyList_New(0);
if (py_retlist == NULL)
return NULL;
if (! PyArg_ParseTuple(args, "l", &pid))
goto error;
if (psutil_kinfo_proc(pid, &kipp) == -1)
goto error;
errno = 0;
freep = kinfo_getfile(pid, &cnt);
if (freep == NULL) {
psutil_raise_for_pid(pid, "kinfo_getfile()");
goto error;
}
for (i = 0; i < cnt; i++) {
kif = &freep[i];
#ifdef PSUTIL_FREEBSD
regular = (kif->kf_type == KF_TYPE_VNODE) && \
(kif->kf_vnode_type == KF_VTYPE_VREG);
fd = kif->kf_fd;
path = kif->kf_path;
#elif PSUTIL_OPENBSD
regular = (kif->f_type == DTYPE_VNODE) && (kif->v_type == VREG);
fd = kif->fd_fd;
// XXX - it appears path is not exposed in the kinfo_file struct.
path = "";
#elif PSUTIL_NETBSD
regular = (kif->ki_ftype == DTYPE_VNODE) && (kif->ki_vtype == VREG);
fd = kif->ki_fd;
// XXX - it appears path is not exposed in the kinfo_file struct.
path = "";
#endif
if (regular == 1) {
py_path = PyUnicode_DecodeFSDefault(path);
if (! py_path)
goto error;
py_tuple = Py_BuildValue("(Oi)", py_path, fd);
if (py_tuple == NULL)
goto error;
if (PyList_Append(py_retlist, py_tuple))
goto error;
Py_DECREF(py_path);
Py_DECREF(py_tuple);
}
}
free(freep);
return py_retlist;
error:
Py_XDECREF(py_tuple);
Py_DECREF(py_retlist);
if (freep != NULL)
free(freep);
return NULL;
}
#endif
/*
* Return a list of tuples including device, mount point and fs type
* for all partitions mounted on the system.
*/
static PyObject *
psutil_disk_partitions(PyObject *self, PyObject *args) {
int num;
int i;
long len;
uint64_t flags;
char opts[200];
#ifdef PSUTIL_NETBSD
struct statvfs *fs = NULL;
#else
struct statfs *fs = NULL;
#endif
PyObject *py_retlist = PyList_New(0);
PyObject *py_dev = NULL;
PyObject *py_mountp = NULL;
PyObject *py_tuple = NULL;
if (py_retlist == NULL)
return NULL;
// get the number of mount points
Py_BEGIN_ALLOW_THREADS
#ifdef PSUTIL_NETBSD
num = getvfsstat(NULL, 0, MNT_NOWAIT);
#else
num = getfsstat(NULL, 0, MNT_NOWAIT);
#endif
Py_END_ALLOW_THREADS
if (num == -1) {
PyErr_SetFromErrno(PyExc_OSError);
goto error;
}
len = sizeof(*fs) * num;
fs = malloc(len);
if (fs == NULL) {
PyErr_NoMemory();
goto error;
}
Py_BEGIN_ALLOW_THREADS
#ifdef PSUTIL_NETBSD
num = getvfsstat(fs, len, MNT_NOWAIT);
#else
num = getfsstat(fs, len, MNT_NOWAIT);
#endif
Py_END_ALLOW_THREADS
if (num == -1) {
PyErr_SetFromErrno(PyExc_OSError);
goto error;
}
for (i = 0; i < num; i++) {
py_tuple = NULL;
opts[0] = 0;
#ifdef PSUTIL_NETBSD
flags = fs[i].f_flag;
#else
flags = fs[i].f_flags;
#endif
// see sys/mount.h
if (flags & MNT_RDONLY)
strlcat(opts, "ro", sizeof(opts));
else
strlcat(opts, "rw", sizeof(opts));
if (flags & MNT_SYNCHRONOUS)
strlcat(opts, ",sync", sizeof(opts));
if (flags & MNT_NOEXEC)
strlcat(opts, ",noexec", sizeof(opts));
if (flags & MNT_NOSUID)
strlcat(opts, ",nosuid", sizeof(opts));
if (flags & MNT_ASYNC)
strlcat(opts, ",async", sizeof(opts));
if (flags & MNT_NOATIME)
strlcat(opts, ",noatime", sizeof(opts));
if (flags & MNT_SOFTDEP)
strlcat(opts, ",softdep", sizeof(opts));
#ifdef PSUTIL_FREEBSD
if (flags & MNT_UNION)
strlcat(opts, ",union", sizeof(opts));
if (flags & MNT_SUIDDIR)
strlcat(opts, ",suiddir", sizeof(opts));
if (flags & MNT_SOFTDEP)
strlcat(opts, ",softdep", sizeof(opts));
if (flags & MNT_NOSYMFOLLOW)
strlcat(opts, ",nosymfollow", sizeof(opts));
if (flags & MNT_GJOURNAL)
strlcat(opts, ",gjournal", sizeof(opts));
if (flags & MNT_MULTILABEL)
strlcat(opts, ",multilabel", sizeof(opts));
if (flags & MNT_ACLS)
strlcat(opts, ",acls", sizeof(opts));
if (flags & MNT_NOCLUSTERR)
strlcat(opts, ",noclusterr", sizeof(opts));
if (flags & MNT_NOCLUSTERW)
strlcat(opts, ",noclusterw", sizeof(opts));
if (flags & MNT_NFS4ACLS)
strlcat(opts, ",nfs4acls", sizeof(opts));
#elif PSUTIL_NETBSD
if (flags & MNT_NODEV)
strlcat(opts, ",nodev", sizeof(opts));
if (flags & MNT_UNION)
strlcat(opts, ",union", sizeof(opts));
if (flags & MNT_NOCOREDUMP)
strlcat(opts, ",nocoredump", sizeof(opts));
#ifdef MNT_RELATIME
if (flags & MNT_RELATIME)
strlcat(opts, ",relatime", sizeof(opts));
#endif
if (flags & MNT_IGNORE)
strlcat(opts, ",ignore", sizeof(opts));
#ifdef MNT_DISCARD
if (flags & MNT_DISCARD)
strlcat(opts, ",discard", sizeof(opts));
#endif
#ifdef MNT_EXTATTR
if (flags & MNT_EXTATTR)
strlcat(opts, ",extattr", sizeof(opts));
#endif
if (flags & MNT_LOG)
strlcat(opts, ",log", sizeof(opts));
if (flags & MNT_SYMPERM)
strlcat(opts, ",symperm", sizeof(opts));
if (flags & MNT_NODEVMTIME)
strlcat(opts, ",nodevmtime", sizeof(opts));
#endif
py_dev = PyUnicode_DecodeFSDefault(fs[i].f_mntfromname);
if (! py_dev)
goto error;
py_mountp = PyUnicode_DecodeFSDefault(fs[i].f_mntonname);
if (! py_mountp)
goto error;
py_tuple = Py_BuildValue("(OOss)",
py_dev, // device
py_mountp, // mount point
fs[i].f_fstypename, // fs type
opts); // options
if (!py_tuple)
goto error;
if (PyList_Append(py_retlist, py_tuple))
goto error;
Py_DECREF(py_dev);
Py_DECREF(py_mountp);
Py_DECREF(py_tuple);
}
free(fs);
return py_retlist;
error:
Py_XDECREF(py_dev);
Py_XDECREF(py_mountp);
Py_XDECREF(py_tuple);
Py_DECREF(py_retlist);
if (fs != NULL)
free(fs);
return NULL;
}
/*
* Return a Python list of named tuples with overall network I/O information
*/
static PyObject *
psutil_net_io_counters(PyObject *self, PyObject *args) {
char *buf = NULL, *lim, *next;
struct if_msghdr *ifm;
int mib[6];
size_t len;
PyObject *py_retdict = PyDict_New();
PyObject *py_ifc_info = NULL;
if (py_retdict == NULL)
return NULL;
mib[0] = CTL_NET; // networking subsystem
mib[1] = PF_ROUTE; // type of information
mib[2] = 0; // protocol (IPPROTO_xxx)
mib[3] = 0; // address family
mib[4] = NET_RT_IFLIST; // operation
mib[5] = 0;
if (sysctl(mib, 6, NULL, &len, NULL, 0) < 0) {
PyErr_SetFromErrno(PyExc_OSError);
goto error;
}
buf = malloc(len);
if (buf == NULL) {
PyErr_NoMemory();
goto error;
}
if (sysctl(mib, 6, buf, &len, NULL, 0) < 0) {
PyErr_SetFromErrno(PyExc_OSError);
goto error;
}
lim = buf + len;
for (next = buf; next < lim; ) {
py_ifc_info = NULL;
ifm = (struct if_msghdr *)next;
next += ifm->ifm_msglen;
if (ifm->ifm_type == RTM_IFINFO) {
struct if_msghdr *if2m = (struct if_msghdr *)ifm;
struct sockaddr_dl *sdl = (struct sockaddr_dl *)(if2m + 1);
char ifc_name[32];
strncpy(ifc_name, sdl->sdl_data, sdl->sdl_nlen);
ifc_name[sdl->sdl_nlen] = 0;
// XXX: ignore usbus interfaces:
// http://lists.freebsd.org/pipermail/freebsd-current/
// 2011-October/028752.html
// 'ifconfig -a' doesn't show them, nor do we.
if (strncmp(ifc_name, "usbus", 5) == 0)
continue;
py_ifc_info = Py_BuildValue("(kkkkkkki)",
if2m->ifm_data.ifi_obytes,
if2m->ifm_data.ifi_ibytes,
if2m->ifm_data.ifi_opackets,
if2m->ifm_data.ifi_ipackets,
if2m->ifm_data.ifi_ierrors,
if2m->ifm_data.ifi_oerrors,
if2m->ifm_data.ifi_iqdrops,
#ifdef _IFI_OQDROPS
if2m->ifm_data.ifi_oqdrops
#else
0
#endif
);
if (!py_ifc_info)
goto error;
if (PyDict_SetItemString(py_retdict, ifc_name, py_ifc_info))
goto error;
Py_DECREF(py_ifc_info);
}
else {
continue;
}
}
free(buf);
return py_retdict;
error:
Py_XDECREF(py_ifc_info);
Py_DECREF(py_retdict);
if (buf != NULL)
free(buf);
return NULL;
}
/*
* Return currently connected users as a list of tuples.
*/
static PyObject *
psutil_users(PyObject *self, PyObject *args) {
PyObject *py_retlist = PyList_New(0);
PyObject *py_username = NULL;
PyObject *py_tty = NULL;
PyObject *py_hostname = NULL;
PyObject *py_tuple = NULL;
if (py_retlist == NULL)
return NULL;
#if (defined(__FreeBSD_version) && (__FreeBSD_version < 900000)) || PSUTIL_OPENBSD
struct utmp ut;
FILE *fp;
Py_BEGIN_ALLOW_THREADS
fp = fopen(_PATH_UTMP, "r");
Py_END_ALLOW_THREADS
if (fp == NULL) {
PyErr_SetFromErrno(PyExc_OSError);
goto error;
}
while (fread(&ut, sizeof(ut), 1, fp) == 1) {
if (*ut.ut_name == '\0')
continue;
py_username = PyUnicode_DecodeFSDefault(ut.ut_name);
if (! py_username)
goto error;
py_tty = PyUnicode_DecodeFSDefault(ut.ut_line);
if (! py_tty)
goto error;
py_hostname = PyUnicode_DecodeFSDefault(ut.ut_host);
if (! py_hostname)
goto error;
py_tuple = Py_BuildValue(
"(OOOfi)",
py_username, // username
py_tty, // tty
py_hostname, // hostname
(float)ut.ut_time, // start time
#ifdef PSUTIL_OPENBSD
-1 // process id (set to None later)
#else
ut.ut_pid // process id
#endif
);
if (!py_tuple) {
fclose(fp);
goto error;
}
if (PyList_Append(py_retlist, py_tuple)) {
fclose(fp);
goto error;
}
Py_DECREF(py_username);
Py_DECREF(py_tty);
Py_DECREF(py_hostname);
Py_DECREF(py_tuple);
}
fclose(fp);
#else
struct utmpx *utx;
setutxent();
while ((utx = getutxent()) != NULL) {
if (utx->ut_type != USER_PROCESS)
continue;
py_username = PyUnicode_DecodeFSDefault(utx->ut_user);
if (! py_username)
goto error;
py_tty = PyUnicode_DecodeFSDefault(utx->ut_line);
if (! py_tty)
goto error;
py_hostname = PyUnicode_DecodeFSDefault(utx->ut_host);
if (! py_hostname)
goto error;
py_tuple = Py_BuildValue(
"(OOOfi)",
py_username, // username
py_tty, // tty
py_hostname, // hostname
(float)utx->ut_tv.tv_sec, // start time
#ifdef PSUTIL_OPENBSD
-1 // process id (set to None later)
#else
utx->ut_pid // process id
#endif
);
if (!py_tuple) {
endutxent();
goto error;
}
if (PyList_Append(py_retlist, py_tuple)) {
endutxent();
goto error;
}
Py_DECREF(py_username);
Py_DECREF(py_tty);
Py_DECREF(py_hostname);
Py_DECREF(py_tuple);
}
endutxent();
#endif
return py_retlist;
error:
Py_XDECREF(py_username);
Py_XDECREF(py_tty);
Py_XDECREF(py_hostname);
Py_XDECREF(py_tuple);
Py_DECREF(py_retlist);
return NULL;
}
/*
* define the psutil C module methods and initialize the module.
*/
static PyMethodDef
PsutilMethods[] = {
// --- per-process functions
{"proc_oneshot_info", psutil_proc_oneshot_info, METH_VARARGS,
"Return multiple info about a process"},
{"proc_name", psutil_proc_name, METH_VARARGS,
"Return process name"},
{"proc_cmdline", psutil_proc_cmdline, METH_VARARGS,
"Return process cmdline as a list of cmdline arguments"},
{"proc_threads", psutil_proc_threads, METH_VARARGS,
"Return process threads"},
#if defined(PSUTIL_FREEBSD) || defined(PSUTIL_OPENBSD)
{"proc_connections", psutil_proc_connections, METH_VARARGS,
"Return connections opened by process"},
{"proc_cwd", psutil_proc_cwd, METH_VARARGS,
"Return process current working directory."},
#endif
#if defined(__FreeBSD_version) && __FreeBSD_version >= 800000 || PSUTIL_OPENBSD || defined(PSUTIL_NETBSD)
{"proc_num_fds", psutil_proc_num_fds, METH_VARARGS,
"Return the number of file descriptors opened by this process"},
{"proc_open_files", psutil_proc_open_files, METH_VARARGS,
"Return files opened by process as a list of (path, fd) tuples"},
#endif
#if defined(PSUTIL_FREEBSD) || defined(PSUTIL_NETBSD)
{"proc_num_threads", psutil_proc_num_threads, METH_VARARGS,
"Return number of threads used by process"},
#endif
#if defined(PSUTIL_FREEBSD)
{"proc_exe", psutil_proc_exe, METH_VARARGS,
"Return process pathname executable"},
{"proc_memory_maps", psutil_proc_memory_maps, METH_VARARGS,
"Return a list of tuples for every process's memory map"},
{"proc_cpu_affinity_get", psutil_proc_cpu_affinity_get, METH_VARARGS,
"Return process CPU affinity."},
{"proc_cpu_affinity_set", psutil_proc_cpu_affinity_set, METH_VARARGS,
"Set process CPU affinity."},
{"cpu_count_phys", psutil_cpu_count_phys, METH_VARARGS,
"Return an XML string to determine the number physical CPUs."},
#endif
// --- system-related functions
{"pids", psutil_pids, METH_VARARGS,
"Returns a list of PIDs currently running on the system"},
{"cpu_count_logical", psutil_cpu_count_logical, METH_VARARGS,
"Return number of logical CPUs on the system"},
{"virtual_mem", psutil_virtual_mem, METH_VARARGS,
"Return system virtual memory usage statistics"},
{"swap_mem", psutil_swap_mem, METH_VARARGS,
"Return swap mem stats"},
{"cpu_times", psutil_cpu_times, METH_VARARGS,
"Return system cpu times as a tuple (user, system, nice, idle, irc)"},
{"per_cpu_times", psutil_per_cpu_times, METH_VARARGS,
"Return system per-cpu times as a list of tuples"},
{"boot_time", psutil_boot_time, METH_VARARGS,
"Return the system boot time expressed in seconds since the epoch."},
{"disk_partitions", psutil_disk_partitions, METH_VARARGS,
"Return a list of tuples including device, mount point and "
"fs type for all partitions mounted on the system."},
{"net_io_counters", psutil_net_io_counters, METH_VARARGS,
"Return dict of tuples of networks I/O information."},
{"disk_io_counters", psutil_disk_io_counters, METH_VARARGS,
"Return a Python dict of tuples for disk I/O information"},
{"users", psutil_users, METH_VARARGS,
"Return currently connected users as a list of tuples"},
{"cpu_stats", psutil_cpu_stats, METH_VARARGS,
"Return CPU statistics"},
#if defined(PSUTIL_FREEBSD) || defined(PSUTIL_NETBSD)
{"net_connections", psutil_net_connections, METH_VARARGS,
"Return system-wide open connections."},
#endif
#if defined(PSUTIL_FREEBSD)
{"sensors_battery", psutil_sensors_battery, METH_VARARGS,
"Return battery information."},
{"sensors_cpu_temperature", psutil_sensors_cpu_temperature, METH_VARARGS,
"Return temperature information for a given CPU core number."},
{"cpu_frequency", psutil_cpu_freq, METH_VARARGS,
"Return frequency of a given CPU"},
#endif
// --- others
{"set_testing", psutil_set_testing, METH_NOARGS,
"Set psutil in testing mode"},
{NULL, NULL, 0, NULL}
};
struct module_state {
PyObject *error;