3b42805efc
We already do this for the SIGINT kill signal. The change allows us to do a clean shutdown of PyBitmessage when its process has been separated from the terminal.
279 lines
11 KiB
Python
Executable File
279 lines
11 KiB
Python
Executable File
#!/usr/bin/env python2.7
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# Copyright (c) 2012 Jonathan Warren
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# Copyright (c) 2012 The Bitmessage developers
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# Distributed under the MIT/X11 software license. See the accompanying
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# file COPYING or http://www.opensource.org/licenses/mit-license.php.
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# Right now, PyBitmessage only support connecting to stream 1. It doesn't
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# yet contain logic to expand into further streams.
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# The software version variable is now held in shared.py
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import sys
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#Version check
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#Older versions of Python don't support the print function while Python 3 doesn't
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#like the print statement, so we use sys.stdout for the version check. After this
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#check we can then use the print function in the remainder of this file. Currently
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#in order to use logging, a lot of unnecessary code needs to be executed which could
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#potentially render this version check useless. So logging won't be used here until
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#there is a more efficient way to configure logging
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if sys.hexversion >= 0x3000000:
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msg = "PyBitmessage does not support Python 3. Python 2.7.3 or later is required. Your version: %s" % sys.version
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#logger.critical(msg)
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sys.stdout.write(msg)
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sys.exit(0)
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if sys.hexversion < 0x20703F0:
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msg = "You should use Python 2.7.3 or greater (but not Python 3). Your version: %s" % sys.version
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#logger.critical(msg)
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sys.stdout.write(msg)
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sys.exit(0)
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import signal # Used to capture a Ctrl-C keypress so that Bitmessage can shutdown gracefully.
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# The next 3 are used for the API
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import singleton
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import os
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import socket
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import ctypes
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from struct import pack
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from SimpleXMLRPCServer import SimpleXMLRPCServer
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from api import MySimpleXMLRPCRequestHandler
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from helper_startup import isOurOperatingSystemLimitedToHavingVeryFewHalfOpenConnections
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import shared
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from helper_sql import sqlQuery
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import threading
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# Classes
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#from helper_sql import *
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#from class_sqlThread import *
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from class_sqlThread import sqlThread
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from class_singleCleaner import singleCleaner
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#from class_singleWorker import *
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from class_objectProcessor import objectProcessor
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from class_outgoingSynSender import outgoingSynSender
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from class_singleListener import singleListener
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from class_singleWorker import singleWorker
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#from class_addressGenerator import *
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from class_addressGenerator import addressGenerator
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from debug import logger
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# Helper Functions
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import helper_bootstrap
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import helper_generic
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from subprocess import call
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import time
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def connectToStream(streamNumber):
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shared.streamsInWhichIAmParticipating[streamNumber] = 'no data'
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selfInitiatedConnections[streamNumber] = {}
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shared.inventorySets[streamNumber] = set()
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queryData = sqlQuery('''SELECT hash FROM inventory WHERE streamnumber=?''', streamNumber)
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for row in queryData:
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shared.inventorySets[streamNumber].add(row[0])
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if isOurOperatingSystemLimitedToHavingVeryFewHalfOpenConnections():
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# Some XP and Vista systems can only have 10 outgoing connections at a time.
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maximumNumberOfHalfOpenConnections = 9
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else:
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maximumNumberOfHalfOpenConnections = 64
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for i in range(maximumNumberOfHalfOpenConnections):
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a = outgoingSynSender()
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a.setup(streamNumber, selfInitiatedConnections)
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a.start()
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def _fixWinsock():
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if not ('win32' in sys.platform) and not ('win64' in sys.platform):
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return
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# Python 2 on Windows doesn't define a wrapper for
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# socket.inet_ntop but we can make one ourselves using ctypes
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if not hasattr(socket, 'inet_ntop'):
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addressToString = ctypes.windll.ws2_32.WSAAddressToStringA
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def inet_ntop(family, host):
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if family == socket.AF_INET:
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if len(host) != 4:
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raise ValueError("invalid IPv4 host")
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host = pack("hH4s8s", socket.AF_INET, 0, host, "\0" * 8)
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elif family == socket.AF_INET6:
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if len(host) != 16:
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raise ValueError("invalid IPv6 host")
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host = pack("hHL16sL", socket.AF_INET6, 0, 0, host, 0)
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else:
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raise ValueError("invalid address family")
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buf = "\0" * 64
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lengthBuf = pack("I", len(buf))
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addressToString(host, len(host), None, buf, lengthBuf)
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return buf[0:buf.index("\0")]
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socket.inet_ntop = inet_ntop
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# Same for inet_pton
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if not hasattr(socket, 'inet_pton'):
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stringToAddress = ctypes.windll.ws2_32.WSAStringToAddressA
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def inet_pton(family, host):
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buf = "\0" * 28
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lengthBuf = pack("I", len(buf))
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if stringToAddress(str(host),
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int(family),
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None,
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buf,
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lengthBuf) != 0:
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raise socket.error("illegal IP address passed to inet_pton")
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if family == socket.AF_INET:
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return buf[4:8]
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elif family == socket.AF_INET6:
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return buf[8:24]
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else:
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raise ValueError("invalid address family")
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socket.inet_pton = inet_pton
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# These sockopts are needed on for IPv6 support
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if not hasattr(socket, 'IPPROTO_IPV6'):
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socket.IPPROTO_IPV6 = 41
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if not hasattr(socket, 'IPV6_V6ONLY'):
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socket.IPV6_V6ONLY = 27
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# This thread, of which there is only one, runs the API.
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class singleAPI(threading.Thread):
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def __init__(self):
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threading.Thread.__init__(self)
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def run(self):
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se = SimpleXMLRPCServer((shared.config.get('bitmessagesettings', 'apiinterface'), shared.config.getint(
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'bitmessagesettings', 'apiport')), MySimpleXMLRPCRequestHandler, True, True)
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se.register_introspection_functions()
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se.serve_forever()
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# This is a list of current connections (the thread pointers at least)
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selfInitiatedConnections = {}
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if shared.useVeryEasyProofOfWorkForTesting:
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shared.networkDefaultProofOfWorkNonceTrialsPerByte = int(
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shared.networkDefaultProofOfWorkNonceTrialsPerByte / 16)
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shared.networkDefaultPayloadLengthExtraBytes = int(
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shared.networkDefaultPayloadLengthExtraBytes / 7000)
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class Main:
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def start(self, daemon=False):
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_fixWinsock()
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shared.daemon = daemon
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# is the application already running? If yes then exit.
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thisapp = singleton.singleinstance()
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# get curses flag
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curses = False
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if '-c' in sys.argv:
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curses = True
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signal.signal(signal.SIGINT, helper_generic.signal_handler)
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signal.signal(signal.SIGTERM, helper_generic.signal_handler)
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# signal.signal(signal.SIGINT, signal.SIG_DFL)
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helper_bootstrap.knownNodes()
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# Start the address generation thread
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addressGeneratorThread = addressGenerator()
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addressGeneratorThread.daemon = True # close the main program even if there are threads left
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addressGeneratorThread.start()
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# Start the thread that calculates POWs
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singleWorkerThread = singleWorker()
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singleWorkerThread.daemon = True # close the main program even if there are threads left
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singleWorkerThread.start()
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# Start the SQL thread
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sqlLookup = sqlThread()
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sqlLookup.daemon = False # DON'T close the main program even if there are threads left. The closeEvent should command this thread to exit gracefully.
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sqlLookup.start()
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# Start the thread that calculates POWs
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objectProcessorThread = objectProcessor()
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objectProcessorThread.daemon = False # DON'T close the main program even the thread remains. This thread checks the shutdown variable after processing each object.
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objectProcessorThread.start()
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# Start the cleanerThread
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singleCleanerThread = singleCleaner()
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singleCleanerThread.daemon = True # close the main program even if there are threads left
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singleCleanerThread.start()
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shared.reloadMyAddressHashes()
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shared.reloadBroadcastSendersForWhichImWatching()
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if shared.safeConfigGetBoolean('bitmessagesettings', 'apienabled'):
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try:
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apiNotifyPath = shared.config.get(
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'bitmessagesettings', 'apinotifypath')
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except:
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apiNotifyPath = ''
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if apiNotifyPath != '':
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with shared.printLock:
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print('Trying to call', apiNotifyPath)
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call([apiNotifyPath, "startingUp"])
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singleAPIThread = singleAPI()
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singleAPIThread.daemon = True # close the main program even if there are threads left
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singleAPIThread.start()
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connectToStream(1)
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singleListenerThread = singleListener()
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singleListenerThread.setup(selfInitiatedConnections)
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singleListenerThread.daemon = True # close the main program even if there are threads left
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singleListenerThread.start()
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if daemon == False and shared.safeConfigGetBoolean('bitmessagesettings', 'daemon') == False:
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if curses == False:
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try:
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from PyQt4 import QtCore, QtGui
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except Exception as err:
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print('PyBitmessage requires PyQt unless you want to run it as a daemon and interact with it using the API. You can download PyQt from http://www.riverbankcomputing.com/software/pyqt/download or by searching Google for \'PyQt Download\'. If you want to run in daemon mode, see https://bitmessage.org/wiki/Daemon')
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print('Error message:', err)
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print('You can also run PyBitmessage with the new curses interface by providing \'-c\' as a commandline argument.')
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os._exit(0)
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import bitmessageqt
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bitmessageqt.run()
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else:
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print('Running with curses')
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import bitmessagecurses
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bitmessagecurses.runwrapper()
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else:
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shared.config.remove_option('bitmessagesettings', 'dontconnect')
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if daemon:
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with shared.printLock:
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print('Running as a daemon. The main program should exit this thread.')
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else:
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with shared.printLock:
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print('Running as a daemon. You can use Ctrl+C to exit.')
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while True:
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time.sleep(20)
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def stop(self):
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with shared.printLock:
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print('Stopping Bitmessage Deamon.')
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shared.doCleanShutdown()
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#TODO: nice function but no one is using this
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def getApiAddress(self):
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if not shared.safeConfigGetBoolean('bitmessagesettings', 'apienabled'):
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return None
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address = shared.config.get('bitmessagesettings', 'apiinterface')
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port = shared.config.getint('bitmessagesettings', 'apiport')
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return {'address':address,'port':port}
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if __name__ == "__main__":
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mainprogram = Main()
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mainprogram.start()
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# So far, the creation of and management of the Bitmessage protocol and this
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# client is a one-man operation. Bitcoin tips are quite appreciated.
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# 1H5XaDA6fYENLbknwZyjiYXYPQaFjjLX2u
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