#!/usr/bin/env python3 # Server for 'donate-cpu.py' # Runs only under Python 3. import collections import glob import json import os import socket import re import datetime import time import traceback from threading import Thread import sys import urllib.request import urllib.parse import urllib.error import logging import logging.handlers import operator import html as html_lib # 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) SERVER_VERSION = "1.3.15" OLD_VERSION = '2.3' # Set up logging logger = logging.getLogger() logger.setLevel(logging.INFO) # Logging to console handler_stream = logging.StreamHandler() logger.addHandler(handler_stream) # Log errors to a rotating file logfile = sys.path[0] if logfile: logfile += '/' logfile += 'donate-cpu-server.log' handler_file = logging.handlers.RotatingFileHandler(filename=logfile, maxBytes=100*1024, backupCount=1) handler_file.setLevel(logging.ERROR) logger.addHandler(handler_file) # Set up an exception hook for all uncaught exceptions so they can be logged def handle_uncaught_exception(exc_type, exc_value, exc_traceback): if issubclass(exc_type, KeyboardInterrupt): sys.__excepthook__(exc_type, exc_value, exc_traceback) return logging.error("Uncaught exception", exc_info=(exc_type, exc_value, exc_traceback)) sys.excepthook = handle_uncaught_exception def strDateTime() -> str: return datetime.datetime.now().strftime('%Y-%m-%d %H:%M') def dateTimeFromStr(datestr: str) -> datetime.datetime: return datetime.datetime.strptime(datestr, '%Y-%m-%d %H:%M') def overviewReport() -> str: html = '
\n' + fmt('Package', 'Date Time', OLD_VERSION, 'Head', 'Diff', link=False) + '\n' # Write report for latest results for filename in latestResults: if not os.path.isfile(filename): continue package = filename[filename.rfind('/')+1:] current_year = datetime.date.today().year datestr = '' count = ['0', '0'] lost = 0 added = 0 for line in open(filename, 'rt'): line = line.strip() if line.startswith(str(current_year) + '-') or line.startswith(str(current_year - 1) + '-'): datestr = line #elif line.startswith('cppcheck:'): # cppcheck = line[9:] elif line.startswith('count: '): count = line.split(' ')[1:] elif line.startswith('head ') and not line.startswith('head results:'): added += 1 elif line.startswith(OLD_VERSION + ' '): lost += 1 diff = '' if lost > 0: diff += '-' + str(lost) if added > 0: diff += '+' + str(added) html += fmt(package, datestr, count[1], count[0], diff) + '\n' html += '\n' return html def crashReport(results_path: str) -> str: html = '
\n' html += '' + fmt('Package', 'Date Time', OLD_VERSION, 'Head', link=False) + '\n' current_year = datetime.date.today().year stack_traces = {} for filename in sorted(glob.glob(os.path.expanduser(results_path + '/*'))): if not os.path.isfile(filename): continue datestr = '' with open(filename, 'rt') as file_: for line in file_: line = line.strip() if line.startswith('cppcheck: '): if OLD_VERSION not in line: # Package results seem to be too old, skip break else: # Current package, parse on continue if line.startswith(str(current_year) + '-') or line.startswith(str(current_year - 1) + '-'): datestr = line elif line.startswith('count:'): if line.find('Crash') < 0: break package = filename[filename.rfind('/')+1:] counts = line.strip().split(' ') c2 = '' if counts[2] == 'Crash!': c2 = 'Crash' c1 = '' if counts[1] == 'Crash!': c1 = 'Crash' html += fmt(package, datestr, c2, c1) + '\n' if c1 != 'Crash': break elif line.find(' received signal ') != -1: crash_line = next(file_, '').strip() location_index = crash_line.rfind(' at ') if location_index > 0: code_line = next(file_, '').strip() else: code_line = '' stack_trace = [] while True: l = next(file_, '') if not l.strip(): break # #0 0x00007ffff71cbf67 in raise () from /lib64/libc.so.6 m = re.search(r'(?P\n' html += '#\d+) .* in (?P .+)\(.*\) from (?P .*)$', l) if m: stack_trace.append(m.group('number') + ' ' + m.group('function') + '(...) from ' + m.group('binary')) continue # #11 0x00000000006f2414 in valueFlowNumber (tokenlist=tokenlist@entry=0x7fffffffc610) at build/valueflow.cpp:2503 m = re.search(r'(?P #\d+) .* in (?P .+)\(.*\) at (?P .*)$', l) if m: stack_trace.append(m.group('number') + ' ' + m.group('function') + '(...) at ' + m.group('location')) continue # #18 ForwardTraversal::updateRecursive (this=0x7fffffffb3c0, tok=0x14668a0) at build/forwardanalyzer.cpp:415 m = re.search(r'(?P #\d+) (?P .+)\(.*\) at (?P .*)$', l) if m: stack_trace.append(m.group('number') + ' ' + m.group('function') + '(...) at ' + m.group('location')) continue print('{} - unmatched stack frame - {}'.format(package, l)) break key = hash(' '.join(stack_trace)) if key in stack_traces: stack_traces[key]['code_line'] = code_line stack_traces[key]['stack_trace'] = stack_trace stack_traces[key]['n'] += 1 stack_traces[key]['packages'].append(package) else: stack_traces[key] = {'stack_trace': stack_trace, 'n': 1, 'code_line': code_line, 'packages': [package], 'crash_line': crash_line} break html += '
\n' html += 'Stack traces\n' for stack_trace in sorted(list(stack_traces.values()), key=lambda x: x['n'], reverse=True): html += 'Packages: ' + ' '.join(['' + p + '' for p in stack_trace['packages']]) + '\n' html += html_lib.escape(stack_trace['crash_line']) + '\n' html += html_lib.escape(stack_trace['code_line']) + '\n' html += html_lib.escape('\n'.join(stack_trace['stack_trace'])) + '\n\n' html += '\n' html += '\n' return html def timeoutReport(results_path: str) -> str: html = '
\n' html += '' + fmt('Package', 'Date Time', OLD_VERSION, 'Head', link=False) + '\n' current_year = datetime.date.today().year for filename in sorted(glob.glob(os.path.expanduser(results_path + '/*'))): if not os.path.isfile(filename): continue datestr = '' with open(filename, 'rt') as file_: for line in file_: line = line.strip() if line.startswith('cppcheck: '): if OLD_VERSION not in line: # Package results seem to be too old, skip break else: # Current package, parse on continue if line.startswith(str(current_year) + '-') or line.startswith(str(current_year - 1) + '-'): datestr = line elif line.startswith('count:'): if line.find('TO!') < 0: break package = filename[filename.rfind('/')+1:] counts = line.strip().split(' ') c2 = '' if counts[2] == 'TO!': c2 = 'Timeout' c1 = '' if counts[1] == 'TO!': c1 = 'Timeout' html += fmt(package, datestr, c2, c1) + '\n' break html += '\n' html += '\n' return html def staleReport(results_path: str) -> str: html = '
\n' html += '' + fmt('Package', 'Date Time', link=False) + '\n' current_year = datetime.date.today().year for filename in sorted(glob.glob(os.path.expanduser(results_path + '/*'))): if not os.path.isfile(filename): continue for line in open(filename, 'rt'): line = line.strip() if line.startswith(str(current_year) + '-') or line.startswith(str(current_year - 1) + '-'): datestr = line else: continue dt = dateTimeFromStr(datestr) diff = datetime.datetime.now() - dt if diff.days < 30: continue package = filename[filename.rfind('/')+1:] html += fmt(package, datestr) + '\n' break html += '\n' html += '\n' return html def diffReportFromDict(out: dict, today: str) -> str: html = '
\n' html += 'MessageID ' + OLD_VERSION + ' Head\n' sum0 = 0 sum1 = 0 for messageId in sorted(out.keys()): line = messageId + ' ' counts = out[messageId] sum0 += counts[0] sum1 += counts[1] if counts[0] > 0: c = str(counts[0]) while len(line) < 40 - len(c): line += ' ' line += c + ' ' if counts[1] > 0: c = str(counts[1]) while len(line) < 48 - len(c): line += ' ' line += c line = '' + messageId + '' + line[line.find(' '):] html += line + '\n' # Sum html += '================================================\n' line = '' while len(line) < 40 - len(str(sum0)): line += ' ' line += str(sum0) + ' ' while len(line) < 48 - len(str(sum1)): line += ' ' line += str(sum1) html += line + '\n' html += '\n' return html def diffReport(resultsPath: str) -> str: out = {} outToday = {} today = strDateTime()[:10] for filename in sorted(glob.glob(resultsPath + '/*.diff')): if not os.path.isfile(filename): continue with open(filename, 'rt') as f: data = json.loads(f.read()) uploadedToday = data['date'] == today for messageId in data['sums']: sums = data['sums'][messageId] if OLD_VERSION not in sums: continue if messageId not in out: out[messageId] = [0, 0] out[messageId][0] += sums[OLD_VERSION] out[messageId][1] += sums['head'] if uploadedToday: if messageId not in outToday: outToday[messageId] = [0, 0] outToday[messageId][0] += sums[OLD_VERSION] outToday[messageId][1] += sums['head'] html = '
\n' html += 'MessageID Count\n' sumTotal = 0 for messageId in sorted(out.keys()): line = messageId + ' ' counts = out[messageId] sumTotal += counts if counts > 0: c = str(counts) while len(line) < 48 - len(c): line += ' ' line += c + ' ' line = '' + messageId + '' + line[line.find(' '):] html += line + '\n' # Sum html += '================================================\n' line = '' while len(line) < 48 - len(str(sumTotal)): line += ' ' line += str(sumTotal) + ' ' html += line + '\n' html += '\n' return html def headReport(resultsPath: str) -> str: out = {} outToday = {} today = strDateTime()[:10] for filename in sorted(glob.glob(resultsPath + '/*')): if not os.path.isfile(filename): continue uploadedToday = False firstLine = True headResults = False for line in open(filename, 'rt'): if firstLine: if line.startswith(today): uploadedToday = True firstLine = False continue line = line.strip() if line.startswith('cppcheck: '): if OLD_VERSION not in line: # Package results seem to be too old, skip break else: # Current package, parse on continue if line.startswith('head results:'): headResults = True continue if line.startswith('diff:'): if headResults: break if not headResults: continue if not line.endswith(']'): continue if ': note: ' in line: # notes normally do not contain message ids but can end with ']' continue message_id_start_pos = line.rfind('[') if message_id_start_pos <= 0: continue messageId = line[message_id_start_pos+1:len(line)-1] if ' ' in messageId: # skip invalid messageIds continue if messageId not in out: out[messageId] = 0 out[messageId] += 1 if uploadedToday: if messageId not in outToday: outToday[messageId] = 0 outToday[messageId] += 1 html = '
\n' column_width = [40, 10, 10, 10, 10, 10] html += '' html += fmt('Package', 'Date Time', OLD_VERSION, 'Head', 'Factor', link=False, column_width=column_width) html += '\n' current_year = datetime.date.today().year data = {} total_time_base = 0.0 total_time_head = 0.0 for filename in glob.glob(resultPath + '/*'): if not os.path.isfile(filename): continue datestr = '' for line in open(filename, 'rt'): if line.startswith('cppcheck: '): if OLD_VERSION not in line: # Package results seem to be too old, skip break else: # Current package, parse on continue if line.startswith(str(current_year) + '-') or line.startswith(str(current_year - 1) + '-'): datestr = line continue if not line.startswith('elapsed-time:'): continue split_line = line.strip().split() time_base = float(split_line[2]) time_head = float(split_line[1]) if time_base < 0.0 or time_head < 0.0: # ignore results with crashes / errors for the time report break total_time_base += time_base total_time_head += time_head suspicious_time_difference = False if show_gt and time_base > 1 and time_base*2 < time_head: suspicious_time_difference = True elif not show_gt and time_head > 1 and time_head*2 < time_base: suspicious_time_difference = True if suspicious_time_difference: if time_base > 0.0: time_factor = time_head / time_base else: time_factor = 0.0 pkg_name = filename[len(resultPath)+1:] data[pkg_name] = (datestr, split_line[2], split_line[1], time_factor) break sorted_data = sorted(data.items(), key=lambda kv: kv[1][3]) if show_gt: sorted_data.reverse() sorted_dict = collections.OrderedDict(sorted_data) for key in sorted_dict: html += fmt(key, sorted_dict[key][0], sorted_dict[key][1], sorted_dict[key][2], '{:.2f}'.format(sorted_dict[key][3]), column_width=column_width) + '\n' html += '\n' html += '(listed above are all suspicious timings with a factor ' if show_gt: html += '>2.00' else: html += '<0.50' html += ')\n' html += '\n' if total_time_base > 0.0: total_time_factor = total_time_head / total_time_base else: total_time_factor = 0.0 html += 'Time for all packages (not just the ones listed above):\n' html += fmt('Total time:', '', '{:.1f}'.format(total_time_base), '{:.1f}'.format(total_time_head), '{:.2f}'.format(total_time_factor), link=False, column_width=column_width) html += '\n' html += '\n' html += '\n' return html def check_library_report(result_path: str, message_id: str) -> str: if message_id not in ('checkLibraryNoReturn', 'checkLibraryFunction', 'checkLibraryUseIgnore'): error_message = 'Invalid value ' + message_id + ' for message_id parameter.' print(error_message) return error_message functions_shown_max = 50000 html = '
\n' column_widths = [10, 100] html += '' html += 'Count'.rjust(column_widths[0]) + ' ' + \ 'Function' html += '\n' function_counts = {} for filename in glob.glob(result_path + '/*'): if not os.path.isfile(filename): continue info_messages = False for line in open(filename, 'rt'): if line.startswith('cppcheck: '): if OLD_VERSION not in line: # Package results seem to be too old, skip break else: # Current package, parse on continue if line == 'info messages:\n': info_messages = True if not info_messages: continue if line.endswith('[' + message_id + ']\n'): if message_id == 'checkLibraryFunction': function_name = line[(line.find('for function ') + len('for function ')):line.rfind('[') - 1] else: function_name = line[(line.find(': Function ') + len(': Function ')):line.rfind('should have') - 1] function_counts[function_name] = function_counts.setdefault(function_name, 0) + 1 function_details_list = [] for function_name, count in sorted(list(function_counts.items()), key=operator.itemgetter(1), reverse=True): if len(function_details_list) >= functions_shown_max: break function_details_list.append(str(count).rjust(column_widths[0]) + ' ' + '' + function_name + '\n') html += ''.join(function_details_list) html += '\n' html += '\n' return html # Lists all checkLibrary* messages regarding the given function name def check_library_function_name(result_path: str, function_name: str) -> str: print('check_library_function_name') function_name = urllib.parse.unquote_plus(function_name) output_lines_list = [] for filename in glob.glob(result_path + '/*'): if not os.path.isfile(filename): continue info_messages = False url = None cppcheck_options = None for line in open(filename, 'rt'): if line.startswith('ftp://'): url = line elif line.startswith('cppcheck-options:'): cppcheck_options = line elif line == 'info messages:\n': info_messages = True if not info_messages: continue if '[checkLibrary' in line: if (' ' + function_name) in line: if url: output_lines_list.append(url) url = None if cppcheck_options: output_lines_list.append(cppcheck_options) cppcheck_options = None output_lines_list.append(line) return ''.join(output_lines_list) def sendAll(connection: socket.socket, text: str) -> None: data = text.encode('utf-8', 'ignore') while data: num = connection.send(data) if num < len(data): data = data[num:] else: data = None def httpGetResponse(connection: socket.socket, data: str, contentType: str) -> None: resp = 'HTTP/1.1 200 OK\r\n' resp += 'Connection: close\r\n' resp += 'Content-length: ' + str(len(data)) + '\r\n' resp += 'Content-type: ' + contentType + '\r\n\r\n' resp += data sendAll(connection, resp) class HttpClientThread(Thread): def __init__(self, connection: socket.socket, cmd: str, resultPath: str, latestResults: list) -> None: Thread.__init__(self) self.connection = connection self.cmd = cmd[:cmd.find('\n')] self.resultPath = resultPath self.latestResults = latestResults def run(self): try: cmd = self.cmd print('[' + strDateTime() + '] ' + cmd) res = re.match(r'GET /([a-zA-Z0-9_\-\.\+%]*) HTTP', cmd) if res is None: self.connection.close() return url = res.group(1) if url == '': html = overviewReport() httpGetResponse(self.connection, html, 'text/html') elif url == 'latest.html': html = latestReport(self.latestResults) httpGetResponse(self.connection, html, 'text/html') elif url == 'crash.html': html = crashReport(self.resultPath) httpGetResponse(self.connection, html, 'text/html') elif url == 'timeout.html': html = timeoutReport(self.resultPath) httpGetResponse(self.connection, html, 'text/html') elif url == 'stale.html': html = staleReport(self.resultPath) httpGetResponse(self.connection, html, 'text/html') elif url == 'diff.html': html = diffReport(self.resultPath) httpGetResponse(self.connection, html, 'text/html') elif url.startswith('difftoday-'): messageId = url[10:] text = diffMessageIdTodayReport(self.resultPath, messageId) httpGetResponse(self.connection, text, 'text/plain') elif url.startswith('diff-'): messageId = url[5:] text = diffMessageIdReport(self.resultPath, messageId) httpGetResponse(self.connection, text, 'text/plain') elif url == 'head.html': html = headReport(self.resultPath) httpGetResponse(self.connection, html, 'text/html') elif url.startswith('headtoday-'): messageId = url[10:] text = headMessageIdTodayReport(self.resultPath, messageId) httpGetResponse(self.connection, text, 'text/plain') elif url.startswith('head-'): messageId = url[5:] text = headMessageIdReport(self.resultPath, messageId) httpGetResponse(self.connection, text, 'text/plain') elif url == 'time_lt.html': text = timeReport(self.resultPath, False) httpGetResponse(self.connection, text, 'text/html') elif url == 'time_gt.html': text = timeReport(self.resultPath, True) httpGetResponse(self.connection, text, 'text/html') elif url == 'check_library_function_report.html': text = check_library_report(self.resultPath + '/' + 'info_output', message_id='checkLibraryFunction') httpGetResponse(self.connection, text, 'text/html') elif url == 'check_library_noreturn_report.html': text = check_library_report(self.resultPath + '/' + 'info_output', message_id='checkLibraryNoReturn') httpGetResponse(self.connection, text, 'text/html') elif url == 'check_library_use_ignore_report.html': text = check_library_report(self.resultPath + '/' + 'info_output', message_id='checkLibraryUseIgnore') httpGetResponse(self.connection, text, 'text/html') elif url.startswith('check_library-'): print('check library function !') function_name = url[len('check_library-'):] text = check_library_function_name(self.resultPath + '/' + 'info_output', function_name) httpGetResponse(self.connection, text, 'text/plain') else: filename = resultPath + '/' + url if not os.path.isfile(filename): print('HTTP/1.1 404 Not Found') self.connection.send(b'HTTP/1.1 404 Not Found\r\n\r\n') else: f = open(filename, 'rt') data = f.read() f.close() httpGetResponse(self.connection, data, 'text/plain') except: tb = "".join(traceback.format_exception(sys.exc_info()[0], sys.exc_info()[1], sys.exc_info()[2])) print(tb) httpGetResponse(self.connection, tb, 'text/plain') finally: time.sleep(1) self.connection.close() def server(server_address_port: int, packages: list, packageIndex: int, resultPath: str) -> None: socket.setdefaulttimeout(30) sock = socket.socket(socket.AF_INET, socket.SOCK_STREAM) sock.setsockopt(socket.SOL_SOCKET, socket.SO_REUSEADDR, 1) server_address = ('', server_address_port) sock.bind(server_address) sock.listen(1) latestResults = [] if os.path.isfile('latest.txt'): with open('latest.txt', 'rt') as f: latestResults = f.read().strip().split(' ') print('[' + strDateTime() + '] version ' + SERVER_VERSION) print('[' + strDateTime() + '] listening on port ' + str(server_address_port)) while True: # wait for a connection print('[' + strDateTime() + '] waiting for a connection') connection, client_address = sock.accept() try: bytes_received = connection.recv(128) cmd = bytes_received.decode('utf-8', 'ignore') except socket.error: connection.close() continue except UnicodeDecodeError as e: connection.close() print('Error: Decoding failed: ' + str(e)) continue if cmd.find('\n') < 1: continue firstLine = cmd[:cmd.find('\n')] if re.match('[a-zA-Z0-9./ ]+', firstLine) is None: connection.close() continue if cmd.startswith('GET /'): newThread = HttpClientThread(connection, cmd, resultPath, latestResults) newThread.start() elif cmd == 'GetCppcheckVersions\n': reply = 'head ' + OLD_VERSION print('[' + strDateTime() + '] GetCppcheckVersions: ' + reply) connection.send(reply.encode('utf-8', 'ignore')) connection.close() elif cmd == 'get\n': pkg = packages[packageIndex] packageIndex += 1 if packageIndex >= len(packages): packageIndex = 0 f = open('package-index.txt', 'wt') f.write(str(packageIndex) + '\n') f.close() print('[' + strDateTime() + '] get:' + pkg) connection.send(pkg.encode('utf-8', 'ignore')) connection.close() elif cmd.startswith('write\nftp://') or cmd.startswith('write\nhttp://'): # read data data = cmd[cmd.find('\n')+1:] try: t = 0.0 max_data_size = 2 * 1024 * 1024 while (len(data) < max_data_size) and (not data.endswith('\nDONE')) and (t < 10): bytes_received = connection.recv(1024) if bytes_received: try: text_received = bytes_received.decode('utf-8', 'ignore') except UnicodeDecodeError as e: print('Error: Decoding failed: ' + str(e)) data = '' break t = 0.0 data += text_received else: time.sleep(0.2) t += 0.2 connection.close() except socket.error: pass pos = data.find('\n') if pos < 10: continue url = data[:pos] print('[' + strDateTime() + '] write:' + url) # save data res = re.match(r'ftp://.*pool/main/[^/]+/([^/]+)/[^/]*tar.(gz|bz2|xz)', url) if res is None: res = re.match(r'http://cppcheck.sf.net/([a-z]+).tgz', url) if res is None: print('results not written. res is None.') continue if url not in packages: print('results not written. url is not in packages.') continue # Verify that head was compared to correct OLD_VERSION versions_found = False old_version_wrong = False for line in data.split('\n', 20): if line.startswith('cppcheck: '): versions_found = True if OLD_VERSION not in line.split(): print('Compared to wrong old version. Should be ' + OLD_VERSION + '. Versions compared: ' + line) print('Ignoring data.') old_version_wrong = True break if not versions_found: print('Cppcheck versions missing in result data. Ignoring data.') continue if old_version_wrong: continue print('results added for package ' + res.group(1)) filename = os.path.join(resultPath, res.group(1)) with open(filename, 'wt') as f: f.write(strDateTime() + '\n' + data) # track latest added results.. if len(latestResults) >= 20: latestResults = latestResults[1:] latestResults.append(filename) with open('latest.txt', 'wt') as f: f.write(' '.join(latestResults)) # generate package.diff.. generate_package_diff_statistics(filename) elif cmd.startswith('write_info\nftp://') or cmd.startswith('write_info\nhttp://'): # read data data = cmd[cmd.find('\n') + 1:] try: t = 0.0 max_data_size = 1024 * 1024 while (len(data) < max_data_size) and (not data.endswith('\nDONE')) and (t < 10): bytes_received = connection.recv(1024) if bytes_received: try: text_received = bytes_received.decode('utf-8', 'ignore') except UnicodeDecodeError as e: print('Error: Decoding failed: ' + str(e)) data = '' break t = 0.0 data += text_received else: time.sleep(0.2) t += 0.2 connection.close() except socket.error: pass pos = data.find('\n') if pos < 10: continue url = data[:pos] print('[' + strDateTime() + '] write_info:' + url) # save data res = re.match(r'ftp://.*pool/main/[^/]+/([^/]+)/[^/]*tar.(gz|bz2|xz)', url) if res is None: res = re.match(r'http://cppcheck.sf.net/([a-z]+).tgz', url) if res is None: print('info output not written. res is None.') continue if url not in packages: print('info output not written. url is not in packages.') continue print('adding info output for package ' + res.group(1)) info_path = resultPath + '/' + 'info_output' if not os.path.exists(info_path): os.mkdir(info_path) filename = info_path + '/' + res.group(1) with open(filename, 'wt') as f: f.write(strDateTime() + '\n' + data) elif cmd == 'getPackagesCount\n': packages_count = str(len(packages)) connection.send(packages_count.encode('utf-8', 'ignore')) connection.close() print('[' + strDateTime() + '] getPackagesCount: ' + packages_count) continue elif cmd.startswith('getPackageIdx'): request_idx = abs(int(cmd[len('getPackageIdx:'):])) if request_idx < len(packages): pkg = packages[request_idx] connection.send(pkg.encode('utf-8', 'ignore')) connection.close() print('[' + strDateTime() + '] getPackageIdx: ' + pkg) else: connection.close() print('[' + strDateTime() + '] getPackageIdx: index is out of range') continue else: if cmd.find('\n') < 0: print('[' + strDateTime() + '] invalid command: "' + firstLine + '"') else: lines = cmd.split('\n') s = '\\n'.join(lines[:2]) if len(lines) > 2: s += '...' print('[' + strDateTime() + '] invalid command: "' + s + '"') connection.close() if __name__ == "__main__": workPath = '/var/daca@home' if not os.path.isdir(workPath): workPath = os.path.expanduser('~/daca@home') os.chdir(workPath) print('work path: ' + workPath) resultPath = workPath + '/donated-results' f = open('packages.txt', 'rt') packages = [val.strip() for val in f.readlines()] f.close() print('packages: ' + str(len(packages))) if len(packages) == 0: print('fatal: there are no packages') sys.exit(1) packageIndex = 0 if os.path.isfile('package-index.txt'): f = open('package-index.txt', 'rt') packageIndex = int(f.read()) if packageIndex < 0 or packageIndex >= len(packages): packageIndex = 0 f.close() server_address_port = 8000 if '--test' in sys.argv[1:]: server_address_port = 8001 try: server(server_address_port, packages, packageIndex, resultPath) except socket.timeout: print('Timeout!')