/usr/lib/python2.7/dist-packages/psutil/_pssunos.py is in python-psutil 1.2.1-1ubuntu2.
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# 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 os
import socket
import subprocess
import _psutil_posix
import _psutil_sunos
from psutil import _psposix
from psutil._common import *
from psutil._compat import namedtuple, PY3
from psutil._error import AccessDenied, NoSuchProcess, TimeoutExpired
__extra__all__ = ["CONN_IDLE", "CONN_BOUND"]
PAGE_SIZE = os.sysconf('SC_PAGE_SIZE')
NUM_CPUS = os.sysconf("SC_NPROCESSORS_ONLN")
TOTAL_PHYMEM = os.sysconf('SC_PHYS_PAGES') * PAGE_SIZE
try:
BOOT_TIME = _psutil_sunos.get_boot_time()
except Exception:
BOOT_TIME = None
warnings.warn("couldn't determine platform's BOOT_TIME", RuntimeWarning)
CONN_IDLE = "IDLE"
CONN_BOUND = "BOUND"
PROC_STATUSES = {
_psutil_sunos.SSLEEP: STATUS_SLEEPING,
_psutil_sunos.SRUN: STATUS_RUNNING,
_psutil_sunos.SZOMB: STATUS_ZOMBIE,
_psutil_sunos.SSTOP: STATUS_STOPPED,
_psutil_sunos.SIDL: STATUS_IDLE,
_psutil_sunos.SONPROC: STATUS_RUNNING, # same as run
_psutil_sunos.SWAIT: STATUS_WAITING,
}
TCP_STATUSES = {
_psutil_sunos.TCPS_ESTABLISHED: CONN_ESTABLISHED,
_psutil_sunos.TCPS_SYN_SENT: CONN_SYN_SENT,
_psutil_sunos.TCPS_SYN_RCVD: CONN_SYN_RECV,
_psutil_sunos.TCPS_FIN_WAIT_1: CONN_FIN_WAIT1,
_psutil_sunos.TCPS_FIN_WAIT_2: CONN_FIN_WAIT2,
_psutil_sunos.TCPS_TIME_WAIT: CONN_TIME_WAIT,
_psutil_sunos.TCPS_CLOSED: CONN_CLOSE,
_psutil_sunos.TCPS_CLOSE_WAIT: CONN_CLOSE_WAIT,
_psutil_sunos.TCPS_LAST_ACK: CONN_LAST_ACK,
_psutil_sunos.TCPS_LISTEN: CONN_LISTEN,
_psutil_sunos.TCPS_CLOSING: CONN_CLOSING,
_psutil_sunos.PSUTIL_CONN_NONE: CONN_NONE,
_psutil_sunos.TCPS_IDLE: CONN_IDLE, # sunos specific
_psutil_sunos.TCPS_BOUND: CONN_BOUND, # sunos specific
}
disk_io_counters = _psutil_sunos.get_disk_io_counters
net_io_counters = _psutil_sunos.get_net_io_counters
get_disk_usage = _psposix.get_disk_usage
get_system_boot_time = _psutil_sunos.get_boot_time
nt_virtmem_info = namedtuple('vmem', ' '.join([
'total', 'available', 'percent', 'used', 'free'])) # all platforms
def virtual_memory():
# 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 nt_virtmem_info(total, avail, percent, used, free)
def swap_memory():
sin, sout = _psutil_sunos.get_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(['swap', '-l', '-k'], stdout=subprocess.PIPE)
stdout, stderr = p.communicate()
if PY3:
stdout = stdout.decode(sys.stdout.encoding)
if p.returncode != 0:
raise RuntimeError("'swap -l -k' 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[-2:]
t = t.replace('K', '')
f = f.replace('K', '')
total += int(int(t) * 1024)
free += int(int(f) * 1024)
used = total - free
percent = usage_percent(used, total, _round=1)
return nt_swapmeminfo(total, used, free, percent,
sin * PAGE_SIZE, sout * PAGE_SIZE)
def get_pid_list():
"""Returns a list of PIDs currently running on the system."""
return [int(x) for x in os.listdir('/proc') if x.isdigit()]
def pid_exists(pid):
"""Check for the existence of a unix pid."""
return _psposix.pid_exists(pid)
_cputimes_ntuple = namedtuple('cputimes', 'user system idle iowait')
def get_system_cpu_times():
"""Return system-wide CPU times as a named tuple"""
ret = _psutil_sunos.get_system_per_cpu_times()
return _cputimes_ntuple(*[sum(x) for x in zip(*ret)])
def get_system_per_cpu_times():
"""Return system per-CPU times as a list of named tuples"""
ret = _psutil_sunos.get_system_per_cpu_times()
return [_cputimes_ntuple(*x) for x in ret]
def get_system_users():
"""Return currently connected users as a list of namedtuples."""
retlist = []
rawlist = _psutil_sunos.get_system_users()
localhost = (':0.0', ':0')
for item in rawlist:
user, tty, hostname, tstamp, user_process = 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 = nt_user(user, tty, hostname, tstamp)
retlist.append(nt)
return retlist
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 = _psutil_sunos.get_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.
if not get_disk_usage(mountpoint).total:
continue
ntuple = nt_partition(device, mountpoint, fstype, opts)
retlist.append(ntuple)
return retlist
def wrap_exceptions(callable):
"""Call callable into a try/except clause and translate ENOENT,
EACCES and EPERM in NoSuchProcess or AccessDenied exceptions.
"""
def wrapper(self, *args, **kwargs):
try:
return callable(self, *args, **kwargs)
except EnvironmentError:
# ENOENT (no such file or directory) gets raised on open().
# ESRCH (no such process) can get raised on read() if
# process is gone in meantime.
err = sys.exc_info()[1]
if err.errno in (errno.ENOENT, errno.ESRCH):
raise NoSuchProcess(self.pid, self._process_name)
if err.errno in (errno.EPERM, errno.EACCES):
raise AccessDenied(self.pid, self._process_name)
raise
return wrapper
class Process(object):
"""Wrapper class around underlying C implementation."""
__slots__ = ["pid", "_process_name"]
def __init__(self, pid):
self.pid = pid
self._process_name = None
@wrap_exceptions
def get_process_name(self):
# note: max len == 15
return _psutil_sunos.get_process_name_and_args(self.pid)[0]
@wrap_exceptions
def get_process_exe(self):
# Will be guess later from cmdline but we want to explicitly
# invoke cmdline here in order to get an AccessDenied
# exception if the user has not enough privileges.
self.get_process_cmdline()
return ""
@wrap_exceptions
def get_process_cmdline(self):
return _psutil_sunos.get_process_name_and_args(self.pid)[1].split(' ')
@wrap_exceptions
def get_process_create_time(self):
return _psutil_sunos.get_process_basic_info(self.pid)[3]
@wrap_exceptions
def get_process_num_threads(self):
return _psutil_sunos.get_process_basic_info(self.pid)[5]
@wrap_exceptions
def get_process_nice(self):
# For some reason getpriority(3) return ESRCH (no such process)
# for certain low-pid processes, no matter what (even as root).
# The process actually exists though, as it has a name,
# creation time, etc.
# The best thing we can do here appears to be raising AD.
# Note: tested on Solaris 11; on Open Solaris 5 everything is
# fine.
try:
return _psutil_posix.getpriority(self.pid)
except EnvironmentError:
err = sys.exc_info()[1]
if err.errno in (errno.ENOENT, errno.ESRCH):
if pid_exists(self.pid):
raise AccessDenied(self.pid, self._process_name)
raise
@wrap_exceptions
def set_process_nice(self, value):
if self.pid in (2, 3):
# Special case PIDs: internally setpriority(3) return ESRCH
# (no such process), no matter what.
# The process actually exists though, as it has a name,
# creation time, etc.
raise AccessDenied(self.pid, self._process_name)
return _psutil_posix.setpriority(self.pid, value)
@wrap_exceptions
def get_process_ppid(self):
return _psutil_sunos.get_process_basic_info(self.pid)[0]
@wrap_exceptions
def get_process_uids(self):
real, effective, saved, _, _, _ = \
_psutil_sunos.get_process_cred(self.pid)
return nt_uids(real, effective, saved)
@wrap_exceptions
def get_process_gids(self):
_, _, _, real, effective, saved = \
_psutil_sunos.get_process_cred(self.pid)
return nt_uids(real, effective, saved)
@wrap_exceptions
def get_cpu_times(self):
user, system = _psutil_sunos.get_process_cpu_times(self.pid)
return nt_cputimes(user, system)
@wrap_exceptions
def get_process_terminal(self):
hit_enoent = False
tty = wrap_exceptions(_psutil_sunos.get_process_basic_info(self.pid)[0])
if tty != _psutil_sunos.PRNODEV:
for x in (0, 1, 2, 255):
try:
return os.readlink('/proc/%d/path/%d' % (self.pid, x))
except OSError:
err = sys.exc_info()[1]
if err.errno == errno.ENOENT:
hit_enoent = True
continue
raise
if hit_enoent:
# raise NSP if the process disappeared on us
os.stat('/proc/%s' % self.pid)
@wrap_exceptions
def get_process_cwd(self):
# /proc/PID/path/cwd may not be resolved by readlink() even if
# it exists (ls shows it). If that's the case and the process
# is still alive return None (we can return None also on BSD).
# Reference: http://goo.gl/55XgO
try:
return os.readlink("/proc/%s/path/cwd" % self.pid)
except OSError:
err = sys.exc_info()[1]
if err.errno == errno.ENOENT:
os.stat("/proc/%s" % self.pid)
return None
raise
@wrap_exceptions
def get_memory_info(self):
ret = _psutil_sunos.get_process_basic_info(self.pid)
rss, vms = ret[1] * 1024, ret[2] * 1024
return nt_meminfo(rss, vms)
# it seems Solaris uses rss and vms only
get_ext_memory_info = get_memory_info
@wrap_exceptions
def get_process_status(self):
code = _psutil_sunos.get_process_basic_info(self.pid)[6]
# XXX is '?' legit? (we're not supposed to return it anyway)
return PROC_STATUSES.get(code, '?')
@wrap_exceptions
def get_process_threads(self):
ret = []
tids = os.listdir('/proc/%d/lwp' % self.pid)
hit_enoent = False
for tid in tids:
tid = int(tid)
try:
utime, stime = _psutil_sunos.query_process_thread(self.pid, tid)
except EnvironmentError:
# ENOENT == thread gone in meantime
err = sys.exc_info()[1]
if err.errno == errno.ENOENT:
hit_enoent = True
continue
raise
else:
nt = nt_thread(tid, utime, stime)
ret.append(nt)
if hit_enoent:
# raise NSP if the process disappeared on us
os.stat('/proc/%s' % self.pid)
return ret
@wrap_exceptions
def get_open_files(self):
retlist = []
hit_enoent = False
pathdir = '/proc/%d/path' % self.pid
for fd in os.listdir('/proc/%d/fd' % self.pid):
path = os.path.join(pathdir, fd)
if os.path.islink(path):
try:
file = os.readlink(path)
except OSError:
# ENOENT == file which is gone in the meantime
err = sys.exc_info()[1]
if err.errno == errno.ENOENT:
hit_enoent = True
continue
raise
else:
if isfile_strict(file):
retlist.append(nt_openfile(file, int(fd)))
if hit_enoent:
# raise NSP if the process disappeared on us
os.stat('/proc/%s' % self.pid)
return retlist
def _get_unix_sockets(self, pid):
"""Get UNIX sockets used by process by parsing 'pfiles' output."""
# TODO: rewrite this in C (...but the damn netstat source code
# does not include this part! Argh!!)
cmd = "pfiles %s" % pid
p = subprocess.Popen(cmd, shell=True, stdout=subprocess.PIPE,
stderr=subprocess.PIPE)
stdout, stderr = p.communicate()
if PY3:
stdout, stderr = [x.decode(sys.stdout.encoding)
for x in (stdout, stderr)]
if p.returncode != 0:
if 'permission denied' in stderr.lower():
raise AccessDenied(self.pid, self._process_name)
if 'no such process' in stderr.lower():
raise NoSuchProcess(self.pid, self._process_name)
raise RuntimeError("%r command error\n%s" % (cmd, stderr))
lines = stdout.split('\n')[2:]
for i, line in enumerate(lines):
line = line.lstrip()
if line.startswith('sockname: AF_UNIX'):
path = line.split(' ', 2)[2]
type = lines[i - 2].strip()
if type == 'SOCK_STREAM':
type = socket.SOCK_STREAM
elif type == 'SOCK_DGRAM':
type = socket.SOCK_DGRAM
else:
type = -1
yield (-1, socket.AF_UNIX, type, path, "", CONN_NONE)
@wrap_exceptions
def get_connections(self, kind='inet'):
if kind not in conn_tmap:
raise ValueError("invalid %r kind argument; choose between %s"
% (kind, ', '.join([repr(x) for x in conn_tmap])))
families, types = conn_tmap[kind]
rawlist = _psutil_sunos.get_process_connections(
self.pid, families, types)
# The underlying C implementation retrieves all OS connections
# and filters them by PID. At this point we can't tell whether
# an empty list means there were no connections for process or
# process is no longer active so we force NSP in case the PID
# is no longer there.
if not rawlist:
os.stat('/proc/%s' % self.pid) # will raise NSP if process is gone
ret = []
for item in rawlist:
fd, fam, type, laddr, raddr, status = item
if fam not in families:
continue
if type not in types:
continue
status = TCP_STATUSES[status]
nt = nt_connection(fd, fam, type, laddr, raddr, status)
ret.append(nt)
# UNIX sockets
if socket.AF_UNIX in families:
ret.extend([nt_connection(*conn) for conn in
self._get_unix_sockets(self.pid)])
return ret
nt_mmap_grouped = namedtuple('mmap', 'path rss anon locked')
nt_mmap_ext = namedtuple('mmap', 'addr perms path rss anon locked')
@wrap_exceptions
def get_memory_maps(self):
def toaddr(start, end):
return '%s-%s' % (hex(start)[2:].strip('L'), hex(end)[2:].strip('L'))
retlist = []
rawlist = _psutil_sunos.get_process_memory_maps(self.pid)
hit_enoent = False
for item in rawlist:
addr, addrsize, perm, name, rss, anon, locked = item
addr = toaddr(addr, addrsize)
if not name.startswith('['):
try:
name = os.readlink('/proc/%s/path/%s' % (self.pid, name))
except OSError:
err = sys.exc_info()[1]
if err.errno == errno.ENOENT:
# sometimes the link may not be resolved by
# readlink() even if it exists (ls shows it).
# If that's the case we just return the
# unresolved link path.
# This seems an incosistency with /proc similar
# to: http://goo.gl/55XgO
name = '/proc/%s/path/%s' % (self.pid, name)
hit_enoent = True
else:
raise
retlist.append((addr, perm, name, rss, anon, locked))
if hit_enoent:
# raise NSP if the process disappeared on us
os.stat('/proc/%s' % self.pid)
return retlist
@wrap_exceptions
def get_num_fds(self):
return len(os.listdir("/proc/%s/fd" % self.pid))
@wrap_exceptions
def get_num_ctx_switches(self):
return nt_ctxsw(*_psutil_sunos.get_process_num_ctx_switches(self.pid))
@wrap_exceptions
def process_wait(self, timeout=None):
try:
return _psposix.wait_pid(self.pid, timeout)
except TimeoutExpired:
raise TimeoutExpired(self.pid, self._process_name)
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