def readProcessMappings(process):
"""
Read all memory mappings of the specified process.
Return a list of MemoryMapping objects, or empty list if it's not possible
to read the mappings.
May raise a ProcessError.
"""
maps = []
if not HAS_PROC:
return maps
try:
mapsfile = openProc("%s/maps" % process.pid)
except ProcError as err:
raise ProcessError(process, "Unable to read process maps: %s" % err)
try:
for line in mapsfile:
line = line.rstrip()
match = PROC_MAP_REGEX.match(line)
if not match:
raise ProcessError(process,
"Unable to parse memoy mapping: %r" % line)
map = MemoryMapping(process, int(match.group(1), 16),
int(match.group(2), 16), match.group(3),
int(match.group(4),
16), int(match.group(5), 16),
int(match.group(6), 16), int(match.group(7)),
match.group(8))
maps.append(map)
finally:
mapsfile.close()
return maps
def _get_process_status_details(self, pid):
"""Get details from process status"""
dict_result = {}
status_file = openProc('%s/status' % pid)
for line in status_file:
if line.startswith('Uid:'):
dict_result[UID] = getpwuid(int(line[5:].split('\t')[0]))
dict_result[EUID] = getpwuid(int(line[5:].split('\t')[1]))
elif line.startswith('Gid:'):
dict_result[GID] = getgrgid(int(line[5:].split('\t')[0]))
dict_result[EGID] = getgrgid(int(line[5:].split('\t')[1]))
status_file.close()
return dict_result
def __init__(self):
CpuLoadValue.__init__(self)
self.data = None
stat_file = openProc('stat')
for data in stat_file:
# Look for "cpu ..." line
if not data.startswith("cpu "):
continue
self.data = [max(int(item), 0) for item in data.split()[1:]]
break
stat_file.close()
if not self.data:
raise CpuLoadError("Unable to get system load!")
def __init__(self):
CpuLoadValue.__init__(self)
self.data = None
stat_file = openProc('stat')
for data in stat_file:
# Look for "cpu ..." line
if not data.startswith("cpu "):
continue
self.data = [ max(int(item), 0) for item in data.split()[1:] ]
break
stat_file.close()
if not self.data:
raise CpuLoadError("Unable to get system load!")
def readProcessMappings(process):
"""
Read all memory mappings of the specified process.
Return a list of MemoryMapping objects, or empty list if it's not possible
to read the mappings.
May raise a ProcessError.
"""
maps = []
if not HAS_PROC:
return maps
try:
mapsfile = openProc("%s/maps" % process.pid)
except ProcError, err:
raise ProcessError(process, "Unable to read process maps: %s" % err)
def readProcessMappings(process):
"""
Read all memory mappings of the specified process.
Return a list of MemoryMapping objects, or empty list if it's not possible
to read the mappings.
May raise a ProcessError.
"""
maps = []
if not HAS_PROC:
return maps
try:
mapsfile = openProc("%s/maps" % process.pid)
except ProcError, err:
raise ProcessError(process, "Unable to read process maps: %s" % err)
def readProcessMappings(process):
"""
Read all memory mappings of the specified process.
Return a list of MemoryMapping objects, or empty list if it's not possible
to read the mappings.
May raise a ProcessError.
"""
maps = []
if not HAS_PROC:
return maps
try:
mapsfile = openProc("%s/maps" % process.pid)
except ProcError as err:
raise ProcessError(process, "Unable to read process maps: %s" % err)
try:
for line in mapsfile:
line = line.rstrip()
match = PROC_MAP_REGEX.match(line)
if not match:
raise ProcessError(
process, "Unable to parse memoy mapping: %r" % line)
map = MemoryMapping(
process,
int(match.group(1), 16),
int(match.group(2), 16),
match.group(3),
int(match.group(4), 16),
int(match.group(5), 16),
int(match.group(6), 16),
int(match.group(7)),
match.group(8))
maps.append(map)
finally:
mapsfile.close()
return maps
def dumpProcessInfo(log, pid, max_length=None):
"""
Dump all information about a process:
- log: callback to write display one line
- pid: process identifier
- max_length (default: None): maximum number of environment variables
"""
if not RUNNING_LINUX:
log("Process ID: %s" % pid)
return
try:
stat = readProcessStat(pid)
except ProcError:
# Permission denied
stat = None
text = "Process ID: %s" % pid
if stat:
text += " (parent: %s)" % stat.ppid
log(text)
if stat:
state = stat.state
try:
state = "%s (%s)" % (state, stat.STATE_NAMES[state])
except KeyError:
pass
log("Process state: %s" % state)
try:
log("Process command line: %r" % readProcessProcList(pid, 'cmdline'))
except ProcError:
# Permission denied
pass
try:
env = readProcessProcList(pid, 'environ')
if max_length:
# Truncate environment if it's too long
length = 0
removed = 0
index = 0
while index < len(env):
var = env[index]
if max_length < length + len(var):
del env[index]
removed += 1
else:
length += len(var)
index += 1
env = ', '.join("%s=%r" % tuple(item.split("=", 1))
for item in env)
if removed:
env += ', ... (skip %s vars)' % removed
log("Process environment: %s" % env)
except ProcError:
# Permission denied
pass
try:
log("Process working directory: %s" % readProcessLink(pid, 'cwd'))
except ProcError:
# Permission denied
pass
try:
user = None
group = None
status_file = openProc("%s/status" % pid)
for line in status_file:
if line.startswith("Uid:"):
user = [int(id) for id in line[5:].split("\t")]
if line.startswith("Gid:"):
group = [int(id) for id in line[5:].split("\t")]
status_file.close()
if user:
text = "User identifier: %s" % user[0]
if user[0] != user[1]:
text += " (effective: %s)" % user[1]
log(text)
if group:
text = "Group identifier: %s" % group[0]
if group[0] != group[1]:
text += " (effective: %s)" % group[1]
log(text)
except ProcError:
# Permission denied
pass
def get_mappings_line(self):
return linux_proc.openProc("%s/maps" % self.get_pid()).readlines()
def dumpProcessInfo(log, pid, max_length=None):
"""
Dump all information about a process:
- log: callback to write display one line
- pid: process identifier
- max_length (default: None): maximum number of environment variables
"""
if not RUNNING_LINUX:
log("Process ID: %s" % pid)
return
try:
stat = readProcessStat(pid)
except ProcError:
# Permission denied
stat = None
text = "Process ID: %s" % pid
if stat:
text += " (parent: %s)" % stat.ppid
log(text)
if stat:
state = stat.state
try:
state = "%s (%s)" % (state, stat.STATE_NAMES[state])
except KeyError:
pass
log("Process state: %s" % state)
try:
log("Process command line: %r" % readProcessProcList(pid, 'cmdline'))
except ProcError:
# Permission denied
pass
try:
env = readProcessProcList(pid, 'environ')
if max_length:
# Truncate environment if it's too long
length = 0
removed = 0
index = 0
while index < len(env):
var = env[index]
if max_length < length + len(var):
del env[index]
removed += 1
else:
length += len(var)
index += 1
env = ', '.join("%s=%r" % tuple(item.split("=", 1))
for item in env)
if removed:
env += ', ... (skip %s vars)' % removed
log("Process environment: %s" % env)
except ProcError:
# Permission denied
pass
try:
log("Process working directory: %s" % readProcessLink(pid, 'cwd'))
except ProcError:
# Permission denied
pass
try:
user = None
group = None
status_file = openProc("%s/status" % pid)
for line in status_file:
if line.startswith("Uid:"):
user = [int(id) for id in line[5:].split("\t")]
if line.startswith("Gid:"):
group = [int(id) for id in line[5:].split("\t")]
status_file.close()
if user:
text = "User identifier: %s" % user[0]
if user[0] != user[1]:
text += " (effective: %s)" % user[1]
log(text)
if group:
text = "Group identifier: %s" % group[0]
if group[0] != group[1]:
text += " (effective: %s)" % group[1]
log(text)
except ProcError:
# Permission denied
pass
def get_mappings_line(self):
return linux_proc.openProc("%s/maps" % self.get_pid())
