# Copyright (c) 2009, Giampaolo Rodola'. All rights reserved.
# Use of this source code is governed by a BSD-style license that can be
# found in the LICENSE file.
"""Sun OS Solaris platform implementation."""
import errno
import functools
import os
import socket
import subprocess
import sys
from collections import namedtuple
from socket import AF_INET
from . import _common
from . import _psposix
from . import _psutil_posix as cext_posix
from . import _psutil_sunos as cext
from ._common import AF_INET6
from ._common import AccessDenied
from ._common import NoSuchProcess
from ._common import ZombieProcess
from ._common import debug
from ._common import get_procfs_path
from ._common import isfile_strict
from ._common import memoize_when_activated
from ._common import sockfam_to_enum
from ._common import socktype_to_enum
from ._common import usage_percent
from ._compat import PY3
from ._compat import FileNotFoundError
from ._compat import PermissionError
from ._compat import ProcessLookupError
from ._compat import b
__extra__all__ = ["CONN_IDLE", "CONN_BOUND", "PROCFS_PATH"]
# =====================================================================
# --- globals
# =====================================================================
PAGE_SIZE = cext_posix.getpagesize()
AF_LINK = cext_posix.AF_LINK
IS_64_BIT = sys.maxsize > 2**32
CONN_IDLE = "IDLE"
CONN_BOUND = "BOUND"
PROC_STATUSES = {
cext.SSLEEP: _common.STATUS_SLEEPING,
cext.SRUN: _common.STATUS_RUNNING,
cext.SZOMB: _common.STATUS_ZOMBIE,
cext.SSTOP: _common.STATUS_STOPPED,
cext.SIDL: _common.STATUS_IDLE,
cext.SONPROC: _common.STATUS_RUNNING, # same as run
cext.SWAIT: _common.STATUS_WAITING,
}
TCP_STATUSES = {
cext.TCPS_ESTABLISHED: _common.CONN_ESTABLISHED,
cext.TCPS_SYN_SENT: _common.CONN_SYN_SENT,
cext.TCPS_SYN_RCVD: _common.CONN_SYN_RECV,
cext.TCPS_FIN_WAIT_1: _common.CONN_FIN_WAIT1,
cext.TCPS_FIN_WAIT_2: _common.CONN_FIN_WAIT2,
cext.TCPS_TIME_WAIT: _common.CONN_TIME_WAIT,
cext.TCPS_CLOSED: _common.CONN_CLOSE,
cext.TCPS_CLOSE_WAIT: _common.CONN_CLOSE_WAIT,
cext.TCPS_LAST_ACK: _common.CONN_LAST_ACK,
cext.TCPS_LISTEN: _common.CONN_LISTEN,
cext.TCPS_CLOSING: _common.CONN_CLOSING,
cext.PSUTIL_CONN_NONE: _common.CONN_NONE,
cext.TCPS_IDLE: CONN_IDLE, # sunos specific
cext.TCPS_BOUND: CONN_BOUND, # sunos specific
}
proc_info_map = dict(
ppid=0,
rss=1,
vms=2,
create_time=3,
nice=4,
num_threads=5,
status=6,
ttynr=7,
uid=8,
euid=9,
gid=10,
egid=11)
# =====================================================================
# --- named tuples
# =====================================================================
# psutil.cpu_times()
scputimes = namedtuple('scputimes', ['user', 'system', 'idle', 'iowait'])
# psutil.cpu_times(percpu=True)
pcputimes = namedtuple('pcputimes',
['user', 'system', 'children_user', 'children_system'])
# psutil.virtual_memory()
svmem = namedtuple('svmem', ['total', 'available', 'percent', 'used', 'free'])
# psutil.Process.memory_info()
pmem = namedtuple('pmem', ['rss', 'vms'])
pfullmem = pmem
# psutil.Process.memory_maps(grouped=True)
pmmap_grouped = namedtuple('pmmap_grouped',
['path', 'rss', 'anonymous', 'locked'])
# psutil.Process.memory_maps(grouped=False)
pmmap_ext = namedtuple(
'pmmap_ext', 'addr perms ' + ' '.join(pmmap_grouped._fields))
# =====================================================================
# --- memory
# =====================================================================
def virtual_memory():
"""Report virtual memory metrics."""
# we could have done this with kstat, but IMHO this is good enough
total = os.sysconf('SC_PHYS_PAGES') * PAGE_SIZE
# note: there's no difference on Solaris
free = avail = os.sysconf('SC_AVPHYS_PAGES') * PAGE_SIZE
used = total - free
percent = usage_percent(used, total, round_=1)
return svmem(total, avail, percent, used, free)
def swap_memory():
"""Report swap memory metrics."""
sin, sout = cext.swap_mem()
# XXX
# we are supposed to get total/free by doing so:
# http://cvs.opensolaris.org/source/xref/onnv/onnv-gate/
# usr/src/cmd/swap/swap.c
# ...nevertheless I can't manage to obtain the same numbers as 'swap'
# cmdline utility, so let's parse its output (sigh!)
p = subprocess.Popen(['/usr/bin/env', 'PATH=/usr/sbin:/sbin:%s' %
os.environ['PATH'], 'swap', '-l'],
stdout=subprocess.PIPE)
stdout, stderr = p.communicate()
if PY3:
stdout = stdout.decode(sys.stdout.encoding)
if p.returncode != 0:
raise RuntimeError("'swap -l' failed (retcode=%s)" % p.returncode)
lines = stdout.strip().split('\n')[1:]
if not lines:
raise RuntimeError('no swap device(s) configured')
total = free = 0
for line in lines:
line = line.split()
t, f = line[3:5]
total += int(int(t) * 512)
free += int(int(f) * 512)
used = total - free
percent = usage_percent(used, total, round_=1)
return _common.sswap(total, used, free, percent,
sin * PAGE_SIZE, sout * PAGE_SIZE)
# =====================================================================
# --- CPU
# =====================================================================
def cpu_times():
"""Return system-wide CPU times as a named tuple"""
ret = cext.per_cpu_times()
return scputimes(*[sum(x) for x in zip(*ret)])
def per_cpu_times():
"""Return system per-CPU times as a list of named tuples"""
ret = cext.per_cpu_times()
return [scputimes(*x) for x in ret]
def cpu_count_logical():
"""Return the number of logical CPUs in the system."""
try:
return os.sysconf("SC_NPROCESSORS_ONLN")
except ValueError:
# mimic os.cpu_count() behavior
return None
def cpu_count_cores():
"""Return the number of CPU cores in the system."""
return cext.cpu_count_cores()
def cpu_stats():
"""Return various CPU stats as a named tuple."""
ctx_switches, interrupts, syscalls, traps = cext.cpu_stats()
soft_interrupts = 0
return _common.scpustats(ctx_switches, interrupts, soft_interrupts,
syscalls)
# =====================================================================
# --- disks
# =====================================================================
disk_io_counters = cext.disk_io_counters
disk_usage = _psposix.disk_usage
def disk_partitions(all=False):
"""Return system disk partitions."""
# TODO - the filtering logic should be better checked so that
# it tries to reflect 'df' as much as possible
retlist = []
partitions = cext.disk_partitions()
for partition in partitions:
device, mountpoint, fstype, opts = partition
if device == 'none':
device = ''
if not all:
# Differently from, say, Linux, we don't have a list of
# common fs types so the best we can do, AFAIK, is to
# filter by filesystem having a total size > 0.
try:
if not disk_usage(mountpoint).total:
continue
except OSError as err:
# https://github.com/giampaolo/psutil/issues/1674
debug("skipping %r: %s" % (mountpoint, err))
continue
maxfile = maxpath = None # set later
ntuple = _common.sdiskpart(device, mountpoint, fstype, opts,
maxfile, maxpath)
retlist.append(ntuple)
return retlist
# =====================================================================
# --- network
# =====================================================================
net_io_counters = cext.net_io_counters
net_if_addrs = cext_posix.net_if_addrs
def net_connections(kind, _pid=-1):
"""Return socket connections. If pid == -1 return system-wide
connections (as opposed to connections opened by one process only).
Only INET sockets are returned (UNIX are not).
"""
cmap = _common.conn_tmap.copy()
if _pid == -1:
cmap.pop('unix', 0)
if kind not in cmap:
raise ValueError("invalid %r kind argument; choose between %s"
% (kind, ', '.join([repr(x) for x in cmap])))
families, types = _common.conn_tmap[kind]
rawlist = cext.net_connections(_pid)
ret = set()
for item in rawlist:
fd, fam, type_, laddr, raddr, status, pid = item
if fam not in families:
continue
if type_ not in types:
continue
# TODO: refactor and use _common.conn_to_ntuple.
if fam in (AF_INET, AF_INET6):
if laddr:
laddr = _common.addr(*laddr)
if raddr:
raddr = _common.addr(*raddr)
status = TCP_STATUSES[status]
fam = sockfam_to_enum(fam)
type_ = socktype_to_enum(type_)
if _pid == -1:
nt = _common.sconn(fd, fam, type_, laddr, raddr, status, pid)
else:
nt = _common.pconn(fd, fam, type_, laddr, raddr, status)
ret.add(nt)
return list(ret)
def net_if_stats():
"""Get NIC stats (isup, duplex, speed, mtu)."""
ret = cext.net_if_stats()
for name, items in ret.items():
isup, duplex, speed, mtu = items
if hasattr(_common, 'NicDuplex'):
duplex = _common.NicDuplex(duplex)
ret[name] = _common.snicstats(isup, duplex, speed, mtu, '')
return ret
# =====================================================================
# --- other system functions
# =====================================================================
def boot_time():
"""The system boot time expressed in seconds since the epoch."""
return cext.boot_time()
def users():
"""Return currently connected users as a list of namedtuples."""
retlist = []
rawlist = cext.users()
localhost = (':0.0', ':0')
for item in rawlist:
user, tty, hostname, tstamp, user_process, pid = item
# note: the underlying C function includes entries about
# system boot, run level and others. We might want
# to use them in the future.
if not user_process:
continue
if hostname in localhost:
hostname = 'localhost'
nt = _common.suser(user, tty, hostname, tstamp, pid)
retlist.append(nt)
return retlist
# =====================================================================
# --- processes
# =====================================================================
def pids():
"""Returns a list of PIDs currently running on the system."""
return [int(x) for x in os.listdir(b(get_procfs_path())) if x.isdigit()]
def pid_exists(pid):
"""Check for the existence of a unix pid."""
return _psposix.pid_exists(pid)
def wrap_exceptions(fun):
"""Call callable into a try/except clause and translate ENOENT,
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