cppcheck/tools/donate_cpu_lib.py

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# Donate CPU client library
import shutil
import os
import subprocess
import sys
import socket
import time
import re
import signal
import tarfile
import shlex
import psutil
# Version scheme (MAJOR.MINOR.PATCH) should orientate on "Semantic Versioning" https://semver.org/
# Every change in this script should result in increasing the version number accordingly (exceptions may be cosmetic
# changes)
CLIENT_VERSION = "1.3.12"
# Timeout for analysis with Cppcheck in seconds
CPPCHECK_TIMEOUT = 30 * 60
# Return code that is used to mark a timed out analysis
RETURN_CODE_TIMEOUT = -999
def check_requirements():
result = True
for app in ['g++', 'git', 'make', 'wget', 'gdb']:
try:
subprocess.call([app, '--version'])
except OSError:
print("Error: '{}' is required".format(app))
result = False
return result
def get_cppcheck(cppcheck_path, work_path):
print('Get Cppcheck..')
for i in range(5):
if os.path.exists(cppcheck_path):
try:
os.chdir(cppcheck_path)
try:
subprocess.check_call(['git', 'checkout', '-f', 'main'])
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except subprocess.CalledProcessError:
subprocess.check_call(['git', 'checkout', '-f', 'master'])
subprocess.check_call(['git', 'pull'])
subprocess.check_call(['git', 'checkout', 'origin/main', '-b', 'main'])
subprocess.check_call(['git', 'pull'])
except:
print('Failed to update Cppcheck sources! Retrying..')
time.sleep(10)
continue
else:
try:
subprocess.check_call(['git', 'clone', 'https://github.com/danmar/cppcheck.git', cppcheck_path])
except:
print('Failed to clone, will try again in 10 minutes..')
time.sleep(600)
continue
time.sleep(2)
return True
if os.path.exists(cppcheck_path):
print('Failed to update Cppcheck sources, trying a fresh clone..')
try:
os.chdir(work_path)
shutil.rmtree(cppcheck_path)
get_cppcheck(cppcheck_path, work_path)
except:
print('Failed to remove Cppcheck folder, please manually remove ' + work_path)
return False
return False
def get_cppcheck_info(cppcheck_path):
try:
os.chdir(cppcheck_path)
return subprocess.check_output(['git', 'show', "--pretty=%h (%ci)", 'HEAD', '--no-patch', '--no-notes']).decode('utf-8').strip()
except:
return ''
def compile_version(work_path, jobs, version):
if os.path.isfile(work_path + '/' + version + '/cppcheck'):
return True
os.chdir(work_path + '/cppcheck')
subprocess.call(['git', 'checkout', version])
subprocess.call(['make', 'clean'])
subprocess.call(['make', jobs, 'MATCHCOMPILER=yes', 'CXXFLAGS=-O2 -g'])
if os.path.isfile(work_path + '/cppcheck/cppcheck'):
os.mkdir(work_path + '/' + version)
destPath = work_path + '/' + version + '/'
subprocess.call(['cp', '-R', work_path + '/cppcheck/cfg', destPath])
subprocess.call(['cp', 'cppcheck', destPath])
subprocess.call(['git', 'checkout', 'main'])
try:
subprocess.call([work_path + '/' + version + '/cppcheck', '--version'])
except OSError:
return False
return True
def compile_cppcheck(cppcheck_path, jobs):
print('Compiling Cppcheck..')
try:
os.chdir(cppcheck_path)
subprocess.call(['make', jobs, 'MATCHCOMPILER=yes', 'CXXFLAGS=-O2 -g'])
subprocess.call([cppcheck_path + '/cppcheck', '--version'])
except OSError:
return False
return True
def get_cppcheck_versions(server_address):
print('Connecting to server to get Cppcheck versions..')
try:
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with socket.socket(socket.AF_INET, socket.SOCK_STREAM) as sock:
sock.connect(server_address)
sock.send(b'GetCppcheckVersions\n')
versions = sock.recv(256)
except socket.error as err:
print('Failed to get cppcheck versions: ' + str(err))
return None
return versions.decode('utf-8').split()
def get_packages_count(server_address):
print('Connecting to server to get count of packages..')
try:
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with socket.socket(socket.AF_INET, socket.SOCK_STREAM) as sock:
sock.connect(server_address)
sock.send(b'getPackagesCount\n')
packages = int(sock.recv(64))
except socket.error as err:
print('Failed to get count of packages: ' + str(err))
return None
return packages
def get_package(server_address, package_index=None):
package = b''
while not package:
print('Connecting to server to get assigned work..')
try:
with socket.socket(socket.AF_INET, socket.SOCK_STREAM) as sock:
sock.connect(server_address)
if package_index is None:
sock.send(b'get\n')
else:
request = 'getPackageIdx:' + str(package_index) + '\n'
sock.send(request.encode())
package = sock.recv(256)
except socket.error:
print("network or server might be temporarily down.. will try again in 30 seconds..")
time.sleep(30)
return package.decode('utf-8')
def handle_remove_readonly(func, path, exc):
import stat
if not os.access(path, os.W_OK):
# Is the error an access error ?
os.chmod(path, stat.S_IWUSR)
func(path)
def remove_tree(folderName):
if not os.path.exists(folderName):
return
count = 5
while count > 0:
count -= 1
try:
shutil.rmtree(folderName, onerror=handle_remove_readonly)
break
except OSError as err:
time.sleep(30)
if count == 0:
print('Failed to cleanup {}: {}'.format(folderName, err))
sys.exit(1)
def wget(url, destfile, bandwidth_limit):
if os.path.exists(destfile):
if os.path.isfile(destfile):
os.remove(destfile)
else:
print('Error: ' + destfile + ' exists but it is not a file! Please check the path and delete it manually.')
sys.exit(1)
wget_call = ['wget', '--tries=10', '--timeout=300', '-O', destfile, url]
if bandwidth_limit and isinstance(bandwidth_limit, str):
wget_call.append('--limit-rate=' + bandwidth_limit)
exitcode = subprocess.call(wget_call)
if exitcode != 0:
print('wget failed with ' + str(exitcode))
os.remove(destfile)
return False
if not os.path.isfile(destfile):
return False
return True
def download_package(work_path, package, bandwidth_limit):
print('Download package ' + package)
destfile = work_path + '/temp.tgz'
if not wget(package, destfile, bandwidth_limit):
return None
return destfile
def unpack_package(work_path, tgz):
print('Unpacking..')
temp_path = work_path + '/temp'
remove_tree(temp_path)
os.mkdir(temp_path)
os.chdir(temp_path)
found = False
if tarfile.is_tarfile(tgz):
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with tarfile.open(tgz) as tf:
for member in tf:
if member.name.startswith(('/', '..')):
# Skip dangerous file names
continue
elif member.name.lower().endswith(('.c', '.cpp', '.cxx', '.cc', '.c++', '.h', '.hpp',
'.h++', '.hxx', '.hh', '.tpp', '.txx', '.qml')):
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try:
tf.extract(member.name)
found = True
except OSError:
pass
except AttributeError:
pass
os.chdir(work_path)
return found
def has_include(path, includes):
re_includes = [re.escape(inc) for inc in includes]
re_expr = '^[ \t]*#[ \t]*include[ \t]*(' + '|'.join(re_includes) + ')'
for root, _, files in os.walk(path):
for name in files:
filename = os.path.join(root, name)
try:
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with open(filename, 'rt', errors='ignore') as f:
filedata = f.read()
if re.search(re_expr, filedata, re.MULTILINE):
return True
except IOError:
pass
return False
def run_command(cmd):
print(cmd)
startTime = time.time()
comm = None
p = subprocess.Popen(shlex.split(cmd), stdout=subprocess.PIPE, stderr=subprocess.PIPE, preexec_fn=os.setsid)
try:
comm = p.communicate(timeout=CPPCHECK_TIMEOUT)
return_code = p.returncode
p = None
except subprocess.TimeoutExpired:
return_code = RETURN_CODE_TIMEOUT
# terminate all the child processes so we get messages about which files were hanging
child_procs = psutil.Process(p.pid).children(recursive=True)
if len(child_procs) > 0:
for child in child_procs:
child.terminate()
try:
# call with timeout since it might get stuck e.g. gcc-arm-none-eabi
comm = p.communicate(timeout=5)
p = None
except subprocess.TimeoutExpired:
pass
finally:
if p:
os.killpg(os.getpgid(p.pid), signal.SIGTERM) # Send the signal to all the process groups
comm = p.communicate()
stop_time = time.time()
stdout = comm[0].decode(encoding='utf-8', errors='ignore')
stderr = comm[1].decode(encoding='utf-8', errors='ignore')
elapsed_time = stop_time - startTime
return return_code, stdout, stderr, elapsed_time
def scan_package(work_path, cppcheck_path, jobs, libraries):
print('Analyze..')
os.chdir(work_path)
libs = ''
for library in libraries:
if os.path.exists(os.path.join(cppcheck_path, 'cfg', library + '.cfg')):
libs += '--library=' + library + ' '
# Reference for GNU C: https://gcc.gnu.org/onlinedocs/cpp/Common-Predefined-Macros.html
options = libs + jobs + ' --showtime=top5 --check-library --inconclusive --enable=style,information --template=daca2 -rp=temp'
options += ' -D__GNUC__ --platform=unix64 temp'
cppcheck_cmd = cppcheck_path + '/cppcheck' + ' ' + options
cmd = 'nice ' + cppcheck_cmd
returncode, stdout, stderr, elapsed_time = run_command(cmd)
# collect messages
information_messages_list = []
issue_messages_list = []
internal_error_messages_list = []
count = 0
for line in stderr.split('\n'):
if ': information: ' in line:
information_messages_list.append(line + '\n')
elif line:
issue_messages_list.append(line + '\n')
if re.match(r'.*:[0-9]+:.*\]$', line):
count += 1
if ': error: Internal error: ' in line:
internal_error_messages_list.append(line + '\n')
print('Number of issues: ' + str(count))
# Collect timing information
stdout_lines = stdout.split('\n')
timing_info_list = []
overall_time_found = False
max_timing_lines = 6
current_timing_lines = 0
for reverse_line in reversed(stdout_lines):
if reverse_line.startswith('Overall time:'):
overall_time_found = True
if overall_time_found:
if not reverse_line or current_timing_lines >= max_timing_lines:
break
timing_info_list.insert(0, ' ' + reverse_line + '\n')
current_timing_lines += 1
timing_str = ''.join(timing_info_list)
# detect errors
sig_num = -1
sig_msg = 'Internal error: Child process crashed with signal '
sig_pos = stderr.find(sig_msg)
if sig_pos != -1:
sig_start_pos = sig_pos + len(sig_msg)
sig_num = int(stderr[sig_start_pos:stderr.find(' ', sig_start_pos)])
print('cppcheck finished with ' + str(returncode) + ('' if sig_num == -1 else ' (signal ' + str(sig_num) + ')'))
if returncode == RETURN_CODE_TIMEOUT:
print('Timeout!')
return returncode, ''.join(internal_error_messages_list), '', elapsed_time, options, ''
# generate stack trace for SIGSEGV, SIGABRT, SIGILL, SIGFPE, SIGBUS
if returncode in (-11, -6, -4, -8, -7) or sig_num in (11, 6, 4, 8, 7):
print('Crash!')
stacktrace = ''
if cppcheck_path == 'cppcheck':
# re-run within gdb to get a stacktrace
cmd = 'gdb --batch --eval-command=run --eval-command="bt 50" --return-child-result --args ' + cppcheck_cmd + " -j1"
_, st_stdout, _, _ = run_command(cmd)
gdb_pos = st_stdout.find(" received signal")
if not gdb_pos == -1:
last_check_pos = st_stdout.rfind('Checking ', 0, gdb_pos)
if last_check_pos == -1:
stacktrace = st_stdout[gdb_pos:]
else:
stacktrace = st_stdout[last_check_pos:]
# if no stacktrace was generated return the original stdout
if not stacktrace:
stacktrace = stdout
return returncode, stacktrace, '', returncode, options, ''
if returncode != 0:
print('Error!')
if returncode > 0:
returncode = -100-returncode
return returncode, stdout, '', returncode, options, ''
if sig_num != -1:
print('Error!')
return -sig_num, ''.join(internal_error_messages_list), '', -sig_num, options, ''
thr_pos = stderr.find('#### ThreadExecutor')
if thr_pos != -1:
print('Thread!')
return -222, stderr[thr_pos:], '', -222, options, ''
return count, ''.join(issue_messages_list), ''.join(information_messages_list), elapsed_time, options, timing_str
def split_results(results):
ret = []
w = None
for line in results.split('\n'):
if line.endswith(']') and re.search(r': (error|warning|style|performance|portability|information|debug):', line):
if w is not None:
ret.append(w.strip())
w = ''
if w is not None:
w += ' ' * 5 + line + '\n'
if w is not None:
ret.append(w.strip())
return ret
def diff_results(ver1, results1, ver2, results2):
print('Diff results..')
ret = ''
r1 = sorted(split_results(results1))
r2 = sorted(split_results(results2))
i1 = 0
i2 = 0
while i1 < len(r1) and i2 < len(r2):
if r1[i1] == r2[i2]:
i1 += 1
i2 += 1
elif r1[i1] < r2[i2]:
ret += ver1 + ' ' + r1[i1] + '\n'
i1 += 1
else:
ret += ver2 + ' ' + r2[i2] + '\n'
i2 += 1
while i1 < len(r1):
ret += ver1 + ' ' + r1[i1] + '\n'
i1 += 1
while i2 < len(r2):
ret += ver2 + ' ' + r2[i2] + '\n'
i2 += 1
return ret
def send_all(connection, data):
bytes_ = data.encode('ascii', 'ignore')
while bytes_:
num = connection.send(bytes_)
if num < len(bytes_):
bytes_ = bytes_[num:]
else:
bytes_ = None
def upload_results(package, results, server_address):
print('Uploading results.. ' + str(len(results)) + ' bytes')
max_retries = 4
for retry in range(max_retries):
try:
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with socket.socket(socket.AF_INET, socket.SOCK_STREAM) as sock:
sock.connect(server_address)
cmd = 'write\n'
send_all(sock, cmd + package + '\n' + results + '\nDONE')
print('Results have been successfully uploaded.')
return True
except socket.error as err:
print('Upload error: ' + str(err))
if retry < (max_retries - 1):
print('Retrying upload in 30 seconds')
time.sleep(30)
print('Upload permanently failed!')
return False
def upload_info(package, info_output, server_address):
print('Uploading information output.. ' + str(len(info_output)) + ' bytes')
max_retries = 3
for retry in range(max_retries):
try:
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with socket.socket(socket.AF_INET, socket.SOCK_STREAM) as sock:
sock.connect(server_address)
send_all(sock, 'write_info\n' + package + '\n' + info_output + '\nDONE')
print('Information output has been successfully uploaded.')
return True
except socket.error as err:
print('Upload error: ' + str(err))
if retry < (max_retries - 1):
print('Retrying upload in 30 seconds')
time.sleep(30)
print('Upload permanently failed!')
return False
def get_libraries():
libraries = ['posix', 'gnu']
library_includes = {'boost': ['<boost/'],
'bsd': ['<sys/queue.h>','<sys/tree.h>','<bsd/','<fts.h>','<db.h>','<err.h>','<vis.h>'],
'cairo': ['<cairo.h>'],
'cppunit': ['<cppunit/'],
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'icu': ['<unicode/', '"unicode/'],
'ginac': ['<ginac/','"ginac/'],
'googletest': ['<gtest/gtest.h>'],
'gtk': ['<gtk', '<glib.h>', '<glib-', '<glib/', '<gnome'],
'kde': ['<KGlobal>', '<KApplication>', '<KDE/'],
'libcerror': ['<libcerror.h>'],
'libcurl': ['<curl/curl.h>'],
'libsigc++': ['<sigc++/'],
'lua': ['<lua.h>', '"lua.h"'],
'mfc': ['<afx.h>', '<afxwin.h>', '<afxext.h>'],
'microsoft_atl': ['<atlbase.h>'],
'microsoft_sal': ['<sal.h>'],
'motif': ['<X11/', '<Xm/'],
'nspr': ['<prtypes.h>', '"prtypes.h"'],
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'ntl': ['<ntl/', '"ntl/'],
'opencv2': ['<opencv2/', '"opencv2/'],
'opengl': ['<GL/gl.h>', '<GL/glu.h>', '<GL/glut.h>'],
'openmp': ['<omp.h>'],
'openssl': ['<openssl/'],
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'pcre': ['<pcre.h>', '"pcre.h"'],
'python': ['<Python.h>', '"Python.h"'],
'qt': ['<QApplication>', '<QList>', '<QKeyEvent>', '<qlist.h>', '<QObject>', '<QFlags>', '<QFileDialog>', '<QTest>', '<QMessageBox>', '<QMetaType>', '<QString>', '<qobjectdefs.h>', '<qstring.h>', '<QWidget>', '<QtWidgets>', '<QtGui'],
'ruby': ['<ruby.h>', '<ruby/', '"ruby.h"'],
'sdl': ['<SDL.h>', '<SDL/SDL.h>', '<SDL2/SDL.h>'],
'sqlite3': ['<sqlite3.h>', '"sqlite3.h"'],
'tinyxml2': ['<tinyxml2', '"tinyxml2'],
'wxsqlite3': ['<wx/wxsqlite3', '"wx/wxsqlite3'],
'wxwidgets': ['<wx/', '"wx/'],
'zlib': ['<zlib.h>'],
}
for library, includes in library_includes.items():
if has_include('temp', includes):
libraries.append(library)
return libraries
def get_compiler_version():
_, stdout, _, _ = run_command('g++ --version')
return stdout.split('\n')[0]
my_script_name = os.path.splitext(os.path.basename(sys.argv[0]))[0]
jobs = '-j1'
stop_time = None
work_path = os.path.expanduser('~/cppcheck-' + my_script_name + '-workfolder')
package_url = None
server_address = ('cppcheck1.osuosl.org', 8000)
bandwidth_limit = None
max_packages = None
do_upload = True