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Þ'¯°ÌME[YéïĵÂCå½ Ué©Áû'Ê9%eÔðNU”ë‘ÌsD3/®+UI˜9h.WC”빓$#:pz:YÓ ¿xž* ³$Í +$kñAŠ‹†¢ Uê>¸)_š¬÷©ßAÂÔb9ÇU ¯¾á•9¯ÏÏ÷O÷¼¼Fähal1‰3Ì[Ïr•´UCksNÐ] R‘¸¥H+§Šé†c©vÖÞ0iÓ76s†î!§=ß ¼~Ô'°Ãmäoäš³ªøi1úÉ)³yV8 CLÄØÁ‘WYïi€H6ÖÑiámø^ÈY´°Ñ7¥Û*—Ñ©L«Qƒï—Ùrÿ ›£Ð*š¸ˆL©ˆ$ˆ ÷¾D§9È®«qbqC)–ˆïv´çñsÑVT­Ø, <àïºÀO«Jý·õ àfPìð .wFšir´þ’2_Y *Æ€x\« ì€9š@ Ž|F⇥ˆkZ@hÖÄ0t¿-<“‹qµ¾*ZL¤Ú)&BJpÓF5=$„at*Zš$’ÑtdûÝRI1 2Ž‰$€$I$#‰SÞ’Hë¬ï;Á$¡t$’`<(ñÇt)$‡Ð.Êf¢X’Kt=Éé$‚ˆªè¢oÝëòI%Rgcª÷ŠyI%¡‰ÿ !ñ)´õ $¤ Ô’IIGÿÙ#!/usr/bin/env python # 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 sys from psutil import _common from psutil import _psposix from psutil._common import usage_percent, isfile_strict from psutil._compat import namedtuple, PY3 import _psutil_posix import _psutil_sunos as cext __extra__all__ = ["CONN_IDLE", "CONN_BOUND"] PAGE_SIZE = os.sysconf('SC_PAGE_SIZE') 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 } scputimes = namedtuple('scputimes', ['user', 'system', 'idle', 'iowait']) svmem = namedtuple('svmem', ['total', 'available', 'percent', 'used', 'free']) pextmem = namedtuple('pextmem', ['rss', 'vms']) pmmap_grouped = namedtuple('pmmap_grouped', ['path', 'rss', 'anon', 'locked']) pmmap_ext = namedtuple( 'pmmap_ext', 'addr perms ' + ' '.join(pmmap_grouped._fields)) # set later from __init__.py NoSuchProcess = None AccessDenied = None TimeoutExpired = None # --- functions disk_io_counters = cext.disk_io_counters net_io_counters = cext.net_io_counters disk_usage = _psposix.disk_usage 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 svmem(total, avail, percent, used, free) def swap_memory(): 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(['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 _common.sswap(total, used, free, percent, sin * PAGE_SIZE, sout * PAGE_SIZE) def pids(): """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) 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_physical(): """Return the number of physical CPUs in the system.""" return cext.cpu_count_phys() 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 = 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) 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 = 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. if not disk_usage(mountpoint).total: continue ntuple = _common.sdiskpart(device, mountpoint, fstype, opts) retlist.append(ntuple) return retlist 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, families, types) ret = [] for item in rawlist: fd, fam, type_, laddr, raddr, status, pid = item if fam not in families: continue if type_ not in types: continue status = TCP_STATUSES[status] if _pid == -1: nt = _common.sconn(fd, fam, type_, laddr, raddr, status, pid) else: nt = _common.pconn(fd, fam, type_, laddr, raddr, status) ret.append(nt) return ret def wrap_exceptions(fun): """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 fun(self, *args, **kwargs) except EnvironmentError: # support for private module import if NoSuchProcess is None or AccessDenied is None: raise # 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._name) if err.errno in (errno.EPERM, errno.EACCES): raise AccessDenied(self.pid, self._name) raise return wrapper class Process(object): """Wrapper class around underlying C implementation.""" __slots__ = ["pid", "_name"] def __init__(self, pid): self.pid = pid self._name = None @wrap_exceptions def name(self): # note: max len == 15 return cext.proc_name_and_args(self.pid)[0] @wrap_exceptions def 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.cmdline() return "" @wrap_exceptions def cmdline(self): return cext.proc_name_and_args(self.pid)[1].split(' ') @wrap_exceptions def create_time(self): return cext.proc_basic_info(self.pid)[3] @wrap_exceptions def num_threads(self): return cext.proc_basic_info(self.pid)[5] @wrap_exceptions def nice_get(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._name) raise @wrap_exceptions def nice_set(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._name) return _psutil_posix.setpriority(self.pid, value) @wrap_exceptions def ppid(self): return cext.proc_basic_info(self.pid)[0] @wrap_exceptions def uids(self): real, effective, saved, _, _, _ = cext.proc_cred(self.pid) return _common.puids(real, effective, saved) @wrap_exceptions def gids(self): _, _, _, real, effective, saved = cext.proc_cred(self.pid) return _common.puids(real, effective, saved) @wrap_exceptions def cpu_times(self): user, system = cext.proc_cpu_times(self.pid) return _common.pcputimes(user, system) @wrap_exceptions def terminal(self): hit_enoent = False tty = wrap_exceptions( cext.proc_basic_info(self.pid)[0]) if tty != cext.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 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 memory_info(self): ret = cext.proc_basic_info(self.pid) rss, vms = ret[1] * 1024, ret[2] * 1024 return _common.pmem(rss, vms) # it seems Solaris uses rss and vms only memory_info_ex = memory_info @wrap_exceptions def status(self): code = cext.proc_basic_info(self.pid)[6] # XXX is '?' legit? (we're not supposed to return it anyway) return PROC_STATUSES.get(code, '?') @wrap_exceptions def threads(self): ret = [] tids = os.listdir('/proc/%d/lwp' % self.pid) hit_enoent = False for tid in tids: tid = int(tid) try: utime, stime = cext.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 = _common.pthread(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 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(_common.popenfile(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._name) if 'no such process' in stderr.lower(): raise NoSuchProcess(self.pid, self._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, "", _common.CONN_NONE) @wrap_exceptions def connections(self, kind='inet'): ret = net_connections(kind, _pid=self.pid) # 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 ret: os.stat('/proc/%s' % self.pid) # will raise NSP if process is gone # UNIX sockets if kind in ('all', 'unix'): ret.extend([_common.pconn(*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 memory_maps(self): def toaddr(start, end): return '%s-%s' % (hex(start)[2:].strip('L'), hex(end)[2:].strip('L')) retlist = [] rawlist = cext.proc_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 num_fds(self): return len(os.listdir("/proc/%s/fd" % self.pid)) @wrap_exceptions def num_ctx_switches(self): return _common.pctxsw(*cext.proc_num_ctx_switches(self.pid)) @wrap_exceptions def wait(self, timeout=None): try: return _psposix.wait_pid(self.pid, timeout) except _psposix.TimeoutExpired: # support for private module import if TimeoutExpired is None: raise raise TimeoutExpired(timeout, self.pid, self._name)