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February 25, 2014 21:14
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Mirror of http://members.iinet.net.au/~paulone/zip/mcsuperserver.py McSuperServer
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| #!/usr/bin/env python | |
| # -*- coding: utf-8 -*- | |
| # MCSuperServer - Starts and stops the minecraft server to reduce memory and cpu usage | |
| # Copyright (C) 2011, 2012 Paul Andreassen | |
| # paul@andreassen.com.au | |
| # 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 3 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, see <http://www.gnu.org/licenses/>. | |
| # 0.01 20111227 proxy and subprocess start / stop working | |
| # 0.02 20120121 attempt at stopping the subprocess exiting during starting when multiple connections | |
| # 0.03 20120426 fix for connection problems | |
| # 0.04 20120121 attempt at fix for connections during the start / stop of the subprocess (worked but used sleep, needed timeout) | |
| # 0.05 20120515 windows support and console stdin support | |
| # 0.06 20120520 scripting support and signal terminate support | |
| # 0.06.01 20120831 fix bug with python 2.4 and earier | |
| # 0.06.02 20120928 fix bug when getting handle_close on both server and proxy | |
| # http://www.wiki.vg/Protocol#Server_List_Ping_.280xFE.29 | |
| # https://gist.github.com/1209061 | |
| # http://www.wiki.vg/Authentication#Login | |
| # http://wiki.vg/Rcon | |
| # http://docs.python.org/modindex.html | |
| # must use select for windows | |
| # poll - Not existing on older unixes nor in Windows before Vista | |
| # must use threads for windows | |
| # Applications which need to support a more general approach should integrate | |
| # I/O over pipes with their select() loops, or use separate threads to read | |
| # each of the individual files provided by whichever popen*() function or | |
| # Popen* class was used. | |
| # Note that on Windows, it only works for sockets; on other operating systems, | |
| # it also works for other file types (in particular, on Unix, it works on | |
| # pipes). | |
| # http://code.activestate.com/recipes/525487-extending-socketsocketpair-to-work-on-windows/ | |
| # SocketServer uses threads or forks | |
| import os, os.path, sys, shlex, asyncore, subprocess, struct, socket, threading, signal, tempfile, select, time, errno | |
| # Threads interact strangely with interrupts: the KeyboardInterrupt exception will be | |
| # received by an arbitrary thread. (When the signal module is available, interrupts | |
| # always go to the main thread.) | |
| VER = 0.06 | |
| ss = None | |
| ssStdin = None | |
| mcProcess = None | |
| mcStdout = None | |
| mcStdin = None | |
| mcCount = 0 | |
| mcStopping = False | |
| config={} | |
| config['ssfile']="mcsuperserver.properties" | |
| config['ss'] = { | |
| "host" : "", | |
| "port" : "25555", | |
| "command" : "java -Xmx1024M -Xms128M -jar minecraft_server.jar nogui", | |
| "work-path" : "" | |
| } | |
| config['mcfile'] = "server.properties" | |
| config['mc'] = { | |
| "server-ip" : "", | |
| "server-port" : "25565", | |
| "motd" : "A Minecraft Server", | |
| "max-players" : "20", | |
| } | |
| def mcstarting(): | |
| pass | |
| def mcstarted(): | |
| pass | |
| #ssStdin.findthendo( , ) | |
| #mcStdout.findthendo(" tried command: ", triedcommand) | |
| #mcStdin.send("say {%s}\n" % line) | |
| def mcstopping(): | |
| pass | |
| def mcstopped(): | |
| pass | |
| def log(text): | |
| print " "+text | |
| if "socketpair" not in socket.__dict__: | |
| # drop in Windows support | |
| # Availability: Unix. | |
| # New in version 2.4. | |
| if "AF_UNIX" in socket.__dict__: | |
| pairfamily = socket.AF_UNIX | |
| else: | |
| pairfamily = socket.AF_INET | |
| def socketsocketpair(family=pairfamily, type_=socket.SOCK_STREAM, proto=socket.IPPROTO_IP): | |
| """Wraps socketpair() to support Windows using local ephemeral ports""" | |
| listensock = socket.socket(family, type_, proto) | |
| listensock.setsockopt(socket.SOL_SOCKET, socket.SO_REUSEADDR, 1) | |
| if family == socket.AF_INET: | |
| address = ('localhost', 0) | |
| elif family == socket.AF_UNIX: | |
| address = tempfile.mktemp(prefix='listener-', dir=tempfile.gettempdir()) | |
| elif family == socket.AF_PIPE: | |
| address = tempfile.mktemp(prefix=r'\\.\pipe\pyc-%d-%d-' % | |
| (os.getpid(), _mmap_counter.next())) | |
| else: | |
| raise ValueError('unrecognized family') | |
| listensock.bind(address) | |
| laddress = listensock.getsockname() # assigned (host, port) pair | |
| listensock.listen(1) | |
| socket1 = socket.socket(family, type_, proto) | |
| socket1.connect(laddress) | |
| socket2, sock2addr = listensock.accept() | |
| listensock.close() | |
| return (socket1, socket2) | |
| socket.socketpair = socketsocketpair | |
| if "file_dispatcher" not in asyncore.__dict__: | |
| # drop in Windows support but requires new constructer parameters and close() called | |
| # 'pipes' aren't 'select'able on Windows | |
| class asyncorefile_dispatcher(asyncore.dispatcher): | |
| def __init__(self, fd, map=None, readable = True, writeable = True): | |
| (self.socket1, socket2) = socket.socketpair() | |
| asyncore.dispatcher.__init__(self, socket2, map) | |
| try: | |
| fd = fd.fileno() | |
| except AttributeError: | |
| pass | |
| #self.fd = os.dup(fd) | |
| self.fd = fd | |
| # can't test file for readablility or writeablility, so please specify | |
| # the thread_reader blocks on file read so will exit nicely if file not readable or closed | |
| # the thread_writer blocks on a socket so doesn't test for file writeablilty or closed, so please call close() | |
| self.b_readable = readable | |
| if readable: | |
| #print " thread reader started" | |
| self.thread_reader = threading.Thread( | |
| target=self.thread_reader_func, | |
| args=(self.fd, self.socket1)) | |
| self.thread_reader.setDaemon(True) | |
| self.thread_reader.start() | |
| self.b_writeable = writeable | |
| if writeable: | |
| #print " thread writer started" | |
| self.thread_writer = threading.Thread( | |
| target=self.thread_writer_func, | |
| args=(self.fd, self.socket1)) | |
| self.thread_writer.setDaemon(True) | |
| self.thread_writer.start() | |
| def readable(self): | |
| return self.b_readable | |
| def writable(self): | |
| return self.b_writeable | |
| def thread_reader_func(self, fd, socket1): | |
| try: | |
| data = os.read(self.fd, 8192) | |
| except OSError, e: | |
| if e[0] != 9: # Bad file descriptor | |
| raise | |
| else: | |
| self.b_readable = False | |
| #print "thread reader exited not readable" | |
| return # not open for reading | |
| while data: | |
| #print " '" + data + "' length= %d" % len(data) | |
| #print ".", | |
| socket1.sendall(data) | |
| data=os.read(self.fd, 8192) | |
| socket1.close() | |
| #print " thread reader exited" | |
| def thread_writer_func(self, fd, socket1): | |
| data = socket1.recv(8192) | |
| while data: | |
| while data: | |
| num_sent = os.write(fd, data) | |
| #os.fsync(fd) | |
| data = data[num_sent:] | |
| data = socket1.recv(8192) | |
| socket1.close() | |
| #print " thread writer exited" | |
| def close(self): | |
| #os.close(self.fd) # close it here and get IOError: [Errno 9] Bad file descriptor | |
| asyncore.dispatcher.close(self) | |
| self.socket1.close() | |
| self.thread_reader = None | |
| self.thread_writer = None | |
| asyncore.file_dispatcher = asyncorefile_dispatcher | |
| else: | |
| asyncore.file_dispatcher.__init__old = asyncore.file_dispatcher.__init__ | |
| def __init__new(self, fd, map=None, readable = True, writeable = True): | |
| asyncore.file_dispatcher.__init__old(self, fd, map) | |
| asyncore.file_dispatcher.__init__ = __init__new | |
| class Timeout(asyncore.dispatcher): | |
| def __init__(self, seconds=None, func=None, data=None, map=None): | |
| (self.trigger, socket2) = socket.socketpair() | |
| asyncore.dispatcher.__init__(self, socket2, map) | |
| self.thread_timer = None | |
| if seconds != None: | |
| self.set_timeout(seconds) | |
| self.func = func | |
| self.data = data | |
| def set_timeout(self, seconds): | |
| if self.thread_timer: | |
| raise RuntimeError("Tried to set timer twice") | |
| self.thread_timer = threading.Timer(seconds, self.thread_timer_func) | |
| self.thread_timer.start() | |
| def thread_timer_func(self): | |
| self.trigger.send('x') | |
| self.thread = None | |
| def handle_close(self): | |
| self.close() | |
| def close(self): | |
| if self.thread_timer: | |
| self.thread_timer.cancel() | |
| self.thread_timer = None | |
| asyncore.dispatcher.close(self) | |
| self.trigger.close() | |
| def handle_read(self): | |
| self.recv(8192) | |
| self.timedout() | |
| def timedout(self): | |
| if self.func: | |
| self.func(self.data) | |
| class FileLockException(Exception): | |
| pass | |
| class FileLock(object): | |
| def __init__(self, file_name, timeout=3, delay=.05): | |
| self.is_locked = False | |
| self.lockfile = os.path.join(os.getcwd(), "%s.lock" % file_name) | |
| self.file_name = file_name | |
| self.timeout = timeout | |
| self.delay = delay | |
| self.fd = None | |
| def acquire(self): | |
| start_time = time.time() | |
| delay = self.delay | |
| while True: | |
| try: | |
| self.fd = os.open(self.lockfile, os.O_CREAT|os.O_EXCL|os.O_RDWR) | |
| break | |
| except OSError, e: | |
| if e.errno != errno.EEXIST: | |
| raise | |
| if (time.time() - start_time) >= self.timeout: | |
| raise FileLockException("Timeout occured.") | |
| time.sleep(delay) | |
| delay *= 2 # please note this increase in delay | |
| os.write(self.fd, "%d" % os.getpid()) | |
| self.is_locked = True | |
| def release(self): | |
| if self.is_locked: | |
| os.close(self.fd) | |
| self.fd = None | |
| os.unlink(self.lockfile) | |
| self.is_locked = False | |
| def __del__(self): | |
| self.release() | |
| class SuperServerStdinHandler(asyncore.file_dispatcher): | |
| def __init__(self, fd, map=None): | |
| asyncore.file_dispatcher.__init__(self, fd, map, writeable=False) | |
| self.in_buffer = '\n' | |
| self.stolf = {} | |
| self.findthendo('show w', self.warranty) | |
| self.findthendo('show c', self.conditions) | |
| self.findthendo('halt', self.halt) | |
| def writable(self): | |
| return False | |
| def findthendo(self, substring, func): | |
| if self.stolf.has_key(substring): | |
| self.stolf[substring].append(func) | |
| else: | |
| self.stolf[substring]=[func] | |
| def removefindthendo(self, substring, func): | |
| if self.stolf.has_key(substring): | |
| self.stolf[substring].remove(func) | |
| if len(self.stolf[substring]) == 0: | |
| del self.stolf[substring] | |
| def handle_read(self): | |
| data = self.in_buffer + self.recv(8192) | |
| pos = data.rfind("\r") | |
| if pos == -1: | |
| pos = data.rfind("\n") | |
| if pos != -1: | |
| self.in_buffer = data[pos:] | |
| data=data[:pos] | |
| data=data.replace("\r\n", "\n").replace("\r", "\n") | |
| if len(data) > 0 and data[0] == "\n": | |
| data = data[1:] | |
| passthrough = True | |
| for s, lf in self.stolf.items(): | |
| if data.find(s) != -1: | |
| for f in lf: | |
| try: | |
| (nextfunction, passthrough) = f(data) | |
| if not nextfunction: | |
| break | |
| except: | |
| nil, t, v, tbinfo = asyncore.compact_traceback() | |
| try: | |
| self_repr = repr(self) # sometimes a user repr method will crash. | |
| except: | |
| self_repr = '<__repr__(self) failed for object at %0x>' % id(self) | |
| log('uncaptured python exception, ignoring %s (%s:%s %s)' % ( | |
| self_repr, t, v, tbinfo)) | |
| if passthrough and mcStdin: | |
| mcStdin.send(data+"\n") | |
| def warranty(self, data): | |
| if data.strip()=="show w": | |
| print "This program is distributed in the hope that it will be useful,\n" \ | |
| "but WITHOUT ANY WARRANTY; without even the implied warranty of\n" \ | |
| "MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the\n" \ | |
| "GNU General Public License for more details." | |
| return (False, False) | |
| else: | |
| return (True, True) | |
| def conditions(self, data): | |
| if data.strip()=="show c": | |
| print "This program is free software: you can redistribute it and/or modify\n" \ | |
| "it under the terms of the GNU General Public License as published by\n" \ | |
| "the Free Software Foundation, either version 3 of the License, or\n" \ | |
| "(at your option) any later version." | |
| return (False, False) | |
| else: | |
| return (True, True) | |
| def halt(self, data): | |
| global ss, ssStdin, mcProcess, mcStopping, mcStdin | |
| if data.strip()=="halt": | |
| ss.close() | |
| ssStdin.close() | |
| if mcProcess and mcStopping == False: | |
| mcstopping() | |
| mcStopping = True | |
| log("Sent 'stop'") | |
| mcStdin.send("stop\n") | |
| return (True, False) | |
| else: | |
| return (True, True) | |
| class mcStdoutHandler(asyncore.file_dispatcher): | |
| def __init__(self, fd, map=None): | |
| asyncore.file_dispatcher.__init__(self, fd, map, writeable=False) | |
| self.in_buffer = '\n' | |
| self.stolf = {} | |
| self.login = [] | |
| self.foundDone = False | |
| self.after_close = [] | |
| def writable(self): | |
| return False | |
| def findthendo(self, substring, func): | |
| if self.stolf.has_key(substring): | |
| self.stolf[substring].append(func) | |
| else: | |
| self.stolf[substring]=[func] | |
| def removefindthendo(self, substring, func): | |
| if self.stolf.has_key(substring): | |
| self.stolf[substring].remove(func) | |
| if len(self.stolf[substring]) == 0: | |
| del self.stolf[substring] | |
| def do_connect(self, obj): | |
| if not obj in self.login: | |
| self.login.append(obj) | |
| def handle_read(self): | |
| data = self.in_buffer + self.recv(8192) | |
| pos = data.rfind("\r") | |
| if pos == -1: | |
| pos = data.rfind("\n") | |
| if pos != -1: | |
| self.in_buffer = data[pos:] | |
| data=data[:pos] | |
| data=data.replace("\r\n", "\n").replace("\r", "\n") | |
| if len(data) > 0 and data[0] == "\n": | |
| data = data[1:] | |
| print data | |
| if (len(self.login) > 0) and ( | |
| (not self.foundDone and (data.find(" Done ") != -1)) or | |
| (self.foundDone and (data.find(" logged in ") != -1))): | |
| while len(self.login) > 0: | |
| obj = self.login.pop(0) | |
| if not obj.connected and not obj.connecting: | |
| log("Attempting ' Done ' or ' logged in ' connect (%d) with %d remaining in queue" % | |
| (len(obj.out_buffer), len(self.login))) | |
| obj.do_connect() | |
| break | |
| else: | |
| log("Already connecting or connected") | |
| self.foundDone = True | |
| for s, lf in self.stolf.items(): | |
| if data.find(s) != -1: | |
| for f in lf: | |
| try: | |
| nextfunction = f(data) | |
| if not nextfunction: | |
| break | |
| except: | |
| nil, t, v, tbinfo = asyncore.compact_traceback() | |
| try: | |
| self_repr = repr(self) # sometimes a user repr method will crash. | |
| except: | |
| self_repr = '<__repr__(self) failed for object at %0x>' % id(self) | |
| log('uncaptured python exception, ignoring %s (%s:%s %s)' % ( | |
| self_repr, t, v, tbinfo)) | |
| def handle_close(self): | |
| global mcProcess, mcStopping, mcStdout, mcStdin | |
| self.close() | |
| mcProcess = None | |
| mcStopping = False | |
| mcStdout = None | |
| mcStdin.close() | |
| mcStdin = None | |
| mcstopped() | |
| for f in self.after_close: | |
| f() | |
| self.after_close = [] | |
| class mcStdinHandler(asyncore.file_dispatcher): | |
| def __init__(self, fd, map=None): | |
| asyncore.file_dispatcher.__init__(self, fd, map, readable=False) | |
| self.out_buffer = '' | |
| def readable(self): | |
| return False | |
| def initiate_send(self): | |
| num_sent = 0 | |
| num_sent = asyncore.file_dispatcher.send(self, self.out_buffer[:512]) | |
| self.out_buffer = self.out_buffer[num_sent:] | |
| def handle_write(self): | |
| self.initiate_send() | |
| def writable(self): | |
| return (not self.connected) or len(self.out_buffer) | |
| def send(self, data): | |
| if self.debug: | |
| self.log_info('sending %s' % repr(data)) | |
| print " "+data, | |
| self.out_buffer = self.out_buffer + data | |
| self.initiate_send() | |
| class ServerHandler(asyncore.dispatcher_with_send): | |
| def __init__(self, proxy, data=''): | |
| asyncore.dispatcher_with_send.__init__(self) | |
| self.proxy = proxy | |
| self.out_buffer = data | |
| self.connecting = False | |
| def do_connect(self): | |
| if self.connected or self.connecting: | |
| log("Attempted to connect to an already connecting or connected server") | |
| else: | |
| self.connecting = True | |
| self.create_socket(asyncore.socket.AF_INET, asyncore.socket.SOCK_STREAM) | |
| self.set_reuse_addr() | |
| host = config['mc']["server-ip"].strip() | |
| if len(host) == 0: host="localhost" | |
| self.connect( (host, int(config['mc']["server-port"])) ) | |
| log("Attempt to connect to server") | |
| #def initiate_send(self): | |
| # if self.connected: | |
| # num_sent = asyncore.dispatcher.send(self, self.out_buffer[:512]) | |
| # self.out_buffer = self.out_buffer[num_sent:] | |
| def handle_connect(self): | |
| global mcCount | |
| self.connecting = False | |
| log("Server connected") | |
| if len(self.out_buffer) > 0: | |
| self.initiate_send() | |
| mcCount += 1 | |
| def handle_close(self): | |
| global mcCount, mcStopping, mcStdin | |
| log("Server connection closed") | |
| self.close() | |
| if self.proxy.connected: | |
| self.proxy.close() | |
| mcCount -= 1 | |
| if mcCount < 0: | |
| log("mcCount less then 0") | |
| if mcCount <= 0: | |
| mcCount = 0 | |
| if mcStdin != None: | |
| mcstopping() | |
| mcStopping = True | |
| log("Sent 'stop'") | |
| mcStdin.send("stop\n") | |
| def handle_read(self): | |
| try: | |
| self.proxy.send(self.recv(8192)) | |
| except asyncore.socket.error, e: | |
| if e[0] != 9: # Bad file descriptor | |
| raise | |
| class ProxyHandler(asyncore.dispatcher_with_send): | |
| #ignore_log_types = frozenset() | |
| #debug = True | |
| def __init__(self, sock=None, map=None): | |
| global mcProcess, mcStopping, mcCount, mcStdout | |
| asyncore.dispatcher_with_send.__init__(self, sock, map) | |
| self.sent = None | |
| self.server = ServerHandler(self) | |
| if mcProcess != None: # server started | |
| if mcCount > 0: # server connectable | |
| self.server.do_connect() | |
| else: # server not connectable | |
| if not mcStopping: # server starting | |
| mcStdout.do_connect(self.server) | |
| else: # server stopping | |
| pass | |
| def initiate_send(self): | |
| #if self.connected: | |
| #num_sent = asyncore.dispatcher.send(self, self.out_buffer[:512]) | |
| #self.out_buffer = self.out_buffer[num_sent:] | |
| asyncore.dispatcher_with_send.initiate_send(self) | |
| if self.sent != None and len(self.out_buffer) == 0: | |
| self.sent() | |
| self.sent = None | |
| def handle_read(self): | |
| global mcProcess, mcStopping, mcCount, mcStdout | |
| if not self.server.connected: | |
| data = self.recv(8192) | |
| #print 'Recieved : %s' % repr(data) | |
| if mcProcess == None or mcStopping: | |
| c = data[:1] | |
| if c == '\xFE': # 'Server List Ping' | |
| log("Recieved 'Server List Ping'") | |
| self.sent = self.close | |
| string = u'%s\xa7%d\xa7%d' % (config['mc']["motd"], 0, int(config['mc']["max-players"])) | |
| strlen = len(string) | |
| string = string.encode('utf-16be') | |
| desc = '\xFF' + struct.pack('>h%ds' % len(string), strlen, string) | |
| self.send(desc) # 'Disconnect/Kick' | |
| log("Sent 'Disconnect/Kick' and closed connection") | |
| log("Server has "+config['mc']["max-players"]+ | |
| " maximum players and the motd is '"+config['mc']["motd"]+"'") | |
| elif c == '\x02': # 'Handshake' | |
| log("Recieved 'Handshake'") | |
| if len(data) >= 3: | |
| strlen = struct.unpack('>h', data[1:3])[0] | |
| if (len(data)-3) >= (strlen*2): | |
| string = data[3:(strlen*2+3)] | |
| log("Username is '"+string.decode('utf-16be')+"'") | |
| if not mcStopping: | |
| self.start_subprocess(data) | |
| else: # server stopping | |
| if len(mcStdout.after_close) == 0: # restart | |
| def restart(): | |
| self.start_subprocess(data) | |
| mcStdout.after_close.append(restart) | |
| else: # connect to new server | |
| self.server.out_buffer+=data | |
| def restart(): | |
| mcStdout.do_connect(self.server) | |
| mcStdout.after_close.append(restart) | |
| else: | |
| log("WARNING! Recieved unsupported protocol so closing connection") | |
| self.close() | |
| else: # server starting | |
| self.server.out_buffer+=data | |
| if mcCount > 0: | |
| if not self.server.connecting: | |
| self.server.do_connect() | |
| else: | |
| mcStdout.do_connect(self.server) | |
| else: | |
| try: | |
| self.server.send(self.recv(8192)) | |
| except asyncore.socket.error, e: | |
| if e[0] != 9: # Bad file descriptor | |
| raise | |
| def start_subprocess(self, data=''): | |
| global mcProcess, mcStdout, mcStdin | |
| log("Attempting server start") | |
| try: | |
| args=config['ss']['command'] | |
| if sys.platform != "win32": | |
| args = shlex.split(args) | |
| mcstarting() | |
| mcProcess = subprocess.Popen(args=args, bufsize=8192, stdin=subprocess.PIPE, | |
| stdout=subprocess.PIPE, stderr=subprocess.STDOUT, cwd=config['ss']['work-path'], | |
| universal_newlines=True) | |
| mcStdin=mcStdinHandler(mcProcess.stdin) | |
| mcStdout=mcStdoutHandler(mcProcess.stdout) | |
| mcstarted() | |
| self.server.out_buffer+=data | |
| mcStdout.do_connect(self.server) | |
| except ValueError, e: | |
| log("A ValueError will be raised if Popen is called with invalid arguments.") | |
| log("command is '"+config['ss']['command']+"'") | |
| if config['ss']['work-path'] != None: log("work path is '"+config['ss']['work-path']+"'") | |
| raise | |
| except OSError, e: | |
| log("A OSError occurs, for example, when trying to execute a non-existent file.") | |
| raise | |
| def handle_close(self): | |
| global mcCount, mcStopping, mcStdin | |
| log("Client connection closed") | |
| self.close() | |
| if self.server.connected: | |
| self.server.close() | |
| mcCount -= 1 | |
| if mcCount < 0: | |
| log("mcCount less then 0") | |
| if mcCount <= 0: | |
| mcCount = 0 | |
| if mcStdin != None: | |
| mcstopping() | |
| mcStopping = True | |
| log("Sent 'stop'") | |
| mcStdin.send("stop\n") | |
| class MCSuperServer(asyncore.dispatcher): | |
| def __init__(self, host, port): | |
| asyncore.dispatcher.__init__(self) | |
| self.create_socket(asyncore.socket.AF_INET, asyncore.socket.SOCK_STREAM) | |
| self.set_reuse_addr() | |
| self.bind((host, port)) | |
| log("Listening on '%s:%d'" % (host, port)) | |
| self.listen(5) | |
| def handle_accept(self): | |
| pair = self.accept() | |
| if pair is None: | |
| pass | |
| else: | |
| sock, addr = pair | |
| log('Incoming connection from %s' % repr(addr)) | |
| handler = ProxyHandler(sock) | |
| def propertiesRead(filename, config, nofile): | |
| try: | |
| fo = open(filename, 'r') | |
| lines = fo.readlines() | |
| fo.close() | |
| for line in lines: | |
| line.lstrip() | |
| if not line.startswith("#"): | |
| line=line.replace("\r","").replace("\n","") | |
| keyvalue=line.split("=",1) | |
| config[keyvalue[0]]=keyvalue[1] | |
| except IOError, e: | |
| if e[0] == 2: # 'No such file or directory' | |
| nofile() | |
| else: | |
| raise | |
| def propertiesWrite(name, config): | |
| fo = open(name, "w") | |
| for key, value in config.items(): | |
| fo.write(key+"="+value+"\n") | |
| fo.close() | |
| def configLoad(): | |
| global config | |
| def nofile(): | |
| log("No '"+config['ssfile']+"' using defaults and creating file") | |
| propertiesWrite(config['ssfile'], config['ss']) | |
| propertiesRead(config['ssfile'], config['ss'], nofile) | |
| if len(config['ss']['work-path'].strip()) != 0: | |
| config['mcfile'] = os.path.join(config['ss']['work-path'], config['mcfile']) | |
| def nofile(): | |
| log("No '"+config['mcfile']+"' using defaults") | |
| propertiesRead(config['mcfile'], config['mc'], nofile) | |
| if len(config['ss']['work-path'].strip()) == 0: | |
| config['ss']['work-path'] = None | |
| def signalTERM(signalNumber, stackFrame): | |
| global ss, ssStdin, mcProcess, mcStopping, mcStdin | |
| log("Signal TERM") | |
| ss.close() | |
| ssStdin.close() | |
| if mcProcess and mcStopping == False: | |
| mcstopping() | |
| mcStopping = True | |
| log("Sent 'stop'") | |
| mcStdin.send("stop\n") | |
| def main(): | |
| global ss, ssStdin | |
| print "MCSuperServer " + str(VER) + " Copyright (C) 2011, 2012 Paul Andreassen\n" \ | |
| "This program comes with ABSOLUTELY NO WARRANTY; for details type `show w'.\n" \ | |
| "This is free software, and you are welcome to redistribute it\n" \ | |
| "under certain conditions; type `show c' for details.\n" | |
| signal.signal(signal.SIGTERM, signalTERM) | |
| #signal.signal(signal.SIGINT, signalTERM) | |
| configLoad() | |
| ss = MCSuperServer(config['ss']['host'], int(config['ss']['port'])) | |
| ssStdin = SuperServerStdinHandler(sys.stdin) | |
| try: | |
| asyncore.loop() | |
| except KeyboardInterrupt: | |
| print "KeyboardInterrupt" | |
| if __name__ == "__main__": | |
| main() |
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