Peter Surda
2d34e73648
- fixes and feedback from @gfanti and @amiller - addresses #1049 - minor refactoring - two global child stems with fixed mapping between parent and child stem - allow child stems which don't support dandelion - only allow outbound connections to be stems - adjust stems if opening/closing outbound connections (should allow partial dandelion functionality when not enough outbound connections are available instead of breaking)
420 lines
15 KiB
Python
Executable File
420 lines
15 KiB
Python
Executable File
#!/usr/bin/python2.7
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# Copyright (c) 2012-2016 Jonathan Warren
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# Copyright (c) 2012-2016 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 os
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import sys
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app_dir = os.path.dirname(os.path.abspath(__file__))
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os.chdir(app_dir)
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sys.path.insert(0, app_dir)
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import depends
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depends.check_dependencies()
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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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from singleinstance import singleinstance
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import errno
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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 subprocess import call
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from time import sleep
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from random import randint
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import getopt
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from api import MySimpleXMLRPCRequestHandler, StoppableXMLRPCServer
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from helper_startup import isOurOperatingSystemLimitedToHavingVeryFewHalfOpenConnections
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import defaults
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import shared
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import knownnodes
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import state
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import shutdown
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import threading
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# Classes
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from class_sqlThread import sqlThread
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from class_singleCleaner import singleCleaner
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from class_objectProcessor import objectProcessor
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from class_singleWorker import singleWorker
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from class_addressGenerator import addressGenerator
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from class_smtpDeliver import smtpDeliver
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from class_smtpServer import smtpServer
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from bmconfigparser import BMConfigParser
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from inventory import Inventory
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from network.connectionpool import BMConnectionPool
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from network.dandelion import Dandelion
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from network.networkthread import BMNetworkThread
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from network.receivequeuethread import ReceiveQueueThread
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from network.announcethread import AnnounceThread
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from network.invthread import InvThread
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from network.addrthread import AddrThread
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from network.downloadthread import DownloadThread
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# Helper Functions
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import helper_bootstrap
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import helper_generic
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import helper_threading
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def connectToStream(streamNumber):
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state.streamsInWhichIAmParticipating.append(streamNumber)
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selfInitiatedConnections[streamNumber] = {}
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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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state.maximumNumberOfHalfOpenConnections = 9
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else:
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state.maximumNumberOfHalfOpenConnections = 64
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try:
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# don't overload Tor
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if BMConfigParser().get('bitmessagesettings', 'socksproxytype') != 'none':
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state.maximumNumberOfHalfOpenConnections = 4
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except:
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pass
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with knownnodes.knownNodesLock:
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if streamNumber not in knownnodes.knownNodes:
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knownnodes.knownNodes[streamNumber] = {}
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if streamNumber*2 not in knownnodes.knownNodes:
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knownnodes.knownNodes[streamNumber*2] = {}
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if streamNumber*2+1 not in knownnodes.knownNodes:
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knownnodes.knownNodes[streamNumber*2+1] = {}
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BMConnectionPool().connectToStream(streamNumber)
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def _fixSocket():
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if sys.platform.startswith('linux'):
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socket.SO_BINDTODEVICE = 25
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if not sys.platform.startswith('win'):
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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, helper_threading.StoppableThread):
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def __init__(self):
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threading.Thread.__init__(self, name="singleAPI")
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self.initStop()
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def stopThread(self):
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super(singleAPI, self).stopThread()
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s = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
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try:
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s.connect((BMConfigParser().get('bitmessagesettings', 'apiinterface'), BMConfigParser().getint(
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'bitmessagesettings', 'apiport')))
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s.shutdown(socket.SHUT_RDWR)
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s.close()
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except:
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pass
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def run(self):
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port = BMConfigParser().getint('bitmessagesettings', 'apiport')
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try:
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from errno import WSAEADDRINUSE
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except (ImportError, AttributeError):
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errno.WSAEADDRINUSE = errno.EADDRINUSE
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for attempt in range(50):
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try:
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if attempt > 0:
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port = randint(32767, 65535)
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se = StoppableXMLRPCServer((BMConfigParser().get('bitmessagesettings', 'apiinterface'), port),
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MySimpleXMLRPCRequestHandler, True, True)
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except socket.error as e:
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if e.errno in (errno.EADDRINUSE, errno.WSAEADDRINUSE):
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continue
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else:
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if attempt > 0:
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BMConfigParser().set("bitmessagesettings", "apiport", str(port))
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BMConfigParser().save()
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break
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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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defaults.networkDefaultProofOfWorkNonceTrialsPerByte = int(
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defaults.networkDefaultProofOfWorkNonceTrialsPerByte / 100)
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defaults.networkDefaultPayloadLengthExtraBytes = int(
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defaults.networkDefaultPayloadLengthExtraBytes / 100)
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class Main:
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def start(self):
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_fixSocket()
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daemon = BMConfigParser().safeGetBoolean('bitmessagesettings', 'daemon')
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try:
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opts, args = getopt.getopt(sys.argv[1:], "hcd",
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["help", "curses", "daemon"])
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except getopt.GetoptError:
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self.usage()
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sys.exit(2)
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for opt, arg in opts:
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if opt in ("-h", "--help"):
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self.usage()
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sys.exit()
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elif opt in ("-d", "--daemon"):
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daemon = True
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elif opt in ("-c", "--curses"):
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state.curses = True
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shared.daemon = daemon
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# is the application already running? If yes then exit.
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shared.thisapp = singleinstance("", daemon)
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if daemon:
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with shared.printLock:
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print('Running as a daemon. Send TERM signal to end.')
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self.daemonize()
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self.setSignalHandler()
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helper_threading.set_thread_name("PyBitmessage")
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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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Inventory() # init
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Dandelion() # init, needs to be early because other thread may access it early
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# SMTP delivery thread
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if daemon and BMConfigParser().safeGet("bitmessagesettings", "smtpdeliver", '') != '':
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smtpDeliveryThread = smtpDeliver()
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smtpDeliveryThread.start()
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# SMTP daemon thread
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if daemon and BMConfigParser().safeGetBoolean("bitmessagesettings", "smtpd"):
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smtpServerThread = smtpServer()
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smtpServerThread.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 BMConfigParser().safeGetBoolean('bitmessagesettings', 'apienabled'):
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try:
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apiNotifyPath = BMConfigParser().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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BMConnectionPool()
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asyncoreThread = BMNetworkThread()
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asyncoreThread.daemon = True
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asyncoreThread.start()
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for i in range(BMConfigParser().getint("threads", "receive")):
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receiveQueueThread = ReceiveQueueThread(i)
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receiveQueueThread.daemon = True
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receiveQueueThread.start()
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announceThread = AnnounceThread()
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announceThread.daemon = True
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announceThread.start()
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state.invThread = InvThread()
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state.invThread.daemon = True
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state.invThread.start()
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state.addrThread = AddrThread()
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state.addrThread.daemon = True
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state.addrThread.start()
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state.downloadThread = DownloadThread()
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state.downloadThread.daemon = True
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state.downloadThread.start()
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connectToStream(1)
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if BMConfigParser().safeGetBoolean('bitmessagesettings','upnp'):
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import upnp
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upnpThread = upnp.uPnPThread()
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upnpThread.start()
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if daemon == False and BMConfigParser().safeGetBoolean('bitmessagesettings', 'daemon') == False:
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if state.curses == False:
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if not depends.check_pyqt():
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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('You can also run PyBitmessage with the new curses interface by providing \'-c\' as a commandline argument.')
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sys.exit()
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import bitmessageqt
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bitmessageqt.run()
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else:
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if True:
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# if depends.check_curses():
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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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BMConfigParser().remove_option('bitmessagesettings', 'dontconnect')
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if daemon:
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while state.shutdown == 0:
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sleep(1)
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def daemonize(self):
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try:
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if os.fork():
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os._exit(0)
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except AttributeError:
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# fork not implemented
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pass
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else:
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shared.thisapp.lock() # relock
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os.umask(0)
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try:
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os.setsid()
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except AttributeError:
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# setsid not implemented
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pass
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try:
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if os.fork():
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os._exit(0)
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except AttributeError:
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# fork not implemented
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pass
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else:
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shared.thisapp.lock() # relock
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shared.thisapp.lockPid = None # indicate we're the final child
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sys.stdout.flush()
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sys.stderr.flush()
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if not sys.platform.startswith('win'):
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si = file(os.devnull, 'r')
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so = file(os.devnull, 'a+')
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se = file(os.devnull, 'a+', 0)
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os.dup2(si.fileno(), sys.stdin.fileno())
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os.dup2(so.fileno(), sys.stdout.fileno())
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os.dup2(se.fileno(), sys.stderr.fileno())
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def setSignalHandler(self):
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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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def usage(self):
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print 'Usage: ' + sys.argv[0] + ' [OPTIONS]'
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print '''
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Options:
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-h, --help show this help message and exit
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-c, --curses use curses (text mode) interface
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-d, --daemon run in daemon (background) mode
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All parameters are optional.
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'''
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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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shutdown.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 BMConfigParser().safeGetBoolean('bitmessagesettings', 'apienabled'):
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return None
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address = BMConfigParser().get('bitmessagesettings', 'apiinterface')
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port = BMConfigParser().getint('bitmessagesettings', 'apiport')
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return {'address':address,'port':port}
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def main():
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mainprogram = Main()
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mainprogram.start()
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if __name__ == "__main__":
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main()
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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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