# OfflineIMAP initialization code # Copyright (C) 2002-2007 John Goerzen # # # This program is free software; you can redistribute it and/or modify # it under the terms of the GNU General Public License as published by # the Free Software Foundation; either version 2 of the License, or # (at your option) any later version. # # This program is distributed in the hope that it will be useful, # but WITHOUT ANY WARRANTY; without even the implied warranty of # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the # GNU General Public License for more details. # # You should have received a copy of the GNU General Public License # along with this program; if not, write to the Free Software # Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA import imaplib from offlineimap import imapserver, repository, folder, mbnames, threadutil, version, syncmaster, accounts from offlineimap.localeval import LocalEval from offlineimap.threadutil import InstanceLimitedThread, ExitNotifyThread from offlineimap.ui import UIBase import re, os, os.path, offlineimap, sys from offlineimap.CustomConfig import CustomConfigParser from threading import * import threading, socket from getopt import getopt import signal try: import fcntl hasfcntl = 1 except: hasfcntl = 0 lockfd = None def lock(config, ui): global lockfd, hasfcntl if not hasfcntl: return lockfd = open(config.getmetadatadir() + "/lock", "w") try: fcntl.flock(lockfd, fcntl.LOCK_EX | fcntl.LOCK_NB) except IOError: ui.locked() ui.terminate(1) def startup(versionno): assert versionno == version.versionstr, "Revision of main program (%s) does not match that of library (%s). Please double-check your PYTHONPATH and installation locations." % (versionno, version.versionstr) options = {} options['-k'] = [] if '--help' in sys.argv[1:]: sys.stdout.write(version.getcmdhelp() + "\n") sys.exit(0) for optlist in getopt(sys.argv[1:], 'P:1oqa:c:d:l:u:hk:f:')[0]: if optlist[0] == '-k': options[optlist[0]].append(optlist[1]) else: options[optlist[0]] = optlist[1] if options.has_key('-h'): sys.stdout.write(version.getcmdhelp()) sys.stdout.write("\n") sys.exit(0) configfilename = os.path.expanduser("~/.offlineimaprc") if options.has_key('-c'): configfilename = options['-c'] if options.has_key('-P'): if not options.has_key('-1'): sys.stderr.write("FATAL: profile mode REQUIRES -1\n") sys.exit(100) profiledir = options['-P'] os.mkdir(profiledir) threadutil.setprofiledir(profiledir) sys.stderr.write("WARNING: profile mode engaged;\nPotentially large data will be created in " + profiledir + "\n") config = CustomConfigParser() if not os.path.exists(configfilename): sys.stderr.write(" *** Config file %s does not exist; aborting!\n" % configfilename) sys.exit(1) config.read(configfilename) # override config values with option '-k' for option in options['-k']: (key, value) = option.split('=', 1) if ':' in key: (secname, key) = key.split(':', 1) section = secname.replace("_", " ") else: section = "general" config.set(section, key, value) ui = offlineimap.ui.detector.findUI(config, options.get('-u')) UIBase.setglobalui(ui) if options.has_key('-l'): ui.setlogfd(open(options['-l'], 'wt')) ui.init_banner() if options.has_key('-d'): for debugtype in options['-d'].split(','): ui.add_debug(debugtype.strip()) if debugtype == 'imap': imaplib.Debug = 5 if debugtype == 'thread': threading._VERBOSE = 1 if options.has_key('-o'): # FIXME: maybe need a better for section in accounts.getaccountlist(config): config.remove_option('Account ' + section, "autorefresh") if options.has_key('-q'): for section in accounts.getaccountlist(config): config.set('Account ' + section, "quick", '-1') if options.has_key('-f'): foldernames = options['-f'].replace(" ", "").split(",") folderfilter = "lambda f: f in %s" % foldernames folderincludes = "[]" for accountname in accounts.getaccountlist(config): account_section = 'Account ' + accountname remote_repo_section = 'Repository ' + \ config.get(account_section, 'remoterepository') local_repo_section = 'Repository ' + \ config.get(account_section, 'localrepository') for section in [remote_repo_section, local_repo_section]: config.set(section, "folderfilter", folderfilter) config.set(section, "folderincludes", folderincludes) lock(config, ui) def sigterm_handler(signum, frame): # die immediately ui.terminate(errormsg="terminating...") signal.signal(signal.SIGTERM,sigterm_handler) try: pidfd = open(config.getmetadatadir() + "/pid", "w") pidfd.write(str(os.getpid()) + "\n") pidfd.close() except: pass try: if options.has_key('-l'): sys.stderr = ui.logfile socktimeout = config.getdefaultint("general", "socktimeout", 0) if socktimeout > 0: socket.setdefaulttimeout(socktimeout) activeaccounts = config.get("general", "accounts") if options.has_key('-a'): activeaccounts = options['-a'] activeaccounts = activeaccounts.replace(" ", "") activeaccounts = activeaccounts.split(",") allaccounts = accounts.AccountHashGenerator(config) syncaccounts = [] for account in activeaccounts: if account not in allaccounts: if len(allaccounts) == 0: errormsg = 'The account "%s" does not exist because no accounts are defined!'%account else: errormsg = 'The account "%s" does not exist. Valid accounts are:'%account for name in allaccounts.keys(): errormsg += '\n%s'%name ui.terminate(1, errortitle = 'Unknown Account "%s"'%account, errormsg = errormsg) if account not in syncaccounts: syncaccounts.append(account) server = None remoterepos = None localrepos = None if options.has_key('-1'): threadutil.initInstanceLimit("ACCOUNTLIMIT", 1) else: threadutil.initInstanceLimit("ACCOUNTLIMIT", config.getdefaultint("general", "maxsyncaccounts", 1)) for reposname in config.getsectionlist('Repository'): for instancename in ["FOLDER_" + reposname, "MSGCOPY_" + reposname]: if options.has_key('-1'): threadutil.initInstanceLimit(instancename, 1) else: threadutil.initInstanceLimit(instancename, config.getdefaultint('Repository ' + reposname, "maxconnections", 1)) siglisteners = [] def sig_handler(signum, frame): if signum == signal.SIGUSR1: # tell each account to do a full sync asap signum = (1,) elif signum == signal.SIGHUP: # tell each account to die asap signum = (2,) elif signum == signal.SIGUSR2: # tell each account to do a full sync asap, then die signum = (1, 2) # one listener per account thread (up to maxsyncaccounts) for listener in siglisteners: for sig in signum: listener.put_nowait(sig) signal.signal(signal.SIGHUP,sig_handler) signal.signal(signal.SIGUSR1,sig_handler) signal.signal(signal.SIGUSR2,sig_handler) threadutil.initexitnotify() t = ExitNotifyThread(target=syncmaster.syncitall, name='Sync Runner', kwargs = {'accounts': syncaccounts, 'config': config, 'siglisteners': siglisteners}) t.setDaemon(1) t.start() except: ui.mainException() try: threadutil.exitnotifymonitorloop(threadutil.threadexited) except SystemExit: raise except: ui.mainException() # Also expected to terminate.