491 lines
17 KiB
Python
Executable File
491 lines
17 KiB
Python
Executable File
#!/usr/bin/env python
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"""
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The PyBitmessage startup script
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"""
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# Copyright (c) 2012-2016 Jonathan Warren
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# Copyright (c) 2012-2020 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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import os
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import sys
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try:
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import pathmagic
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except ImportError:
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from pybitmessage import pathmagic
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app_dir = pathmagic.setup()
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import depends
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depends.check_dependencies()
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import ctypes
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import getopt
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import multiprocessing
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# Used to capture a Ctrl-C keypress so that Bitmessage can shutdown gracefully.
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import signal
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import socket
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import threading
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import time
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import traceback
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from struct import pack
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import defaults
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import shared
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import shutdown
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import state
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from bmconfigparser import BMConfigParser
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from debug import logger # this should go before any threads
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from helper_startup import (
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adjustHalfOpenConnectionsLimit, start_proxyconfig)
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from inventory import Inventory
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# Network objects and threads
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from network import (
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BMConnectionPool, Dandelion, AddrThread, AnnounceThread, BMNetworkThread,
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InvThread, ReceiveQueueThread, DownloadThread, UploadThread
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)
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from network.knownnodes import readKnownNodes
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from singleinstance import singleinstance
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# Synchronous threads
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from threads import (
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set_thread_name, printLock,
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addressGenerator, objectProcessor, singleCleaner, singleWorker, sqlThread)
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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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"""Converting an IP address in packed
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binary format to string format"""
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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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"""Converting an IP address in string format
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to a packed binary format"""
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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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def signal_handler(signum, frame):
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"""Single handler for any signal sent to pybitmessage"""
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process = multiprocessing.current_process()
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thread = threading.current_thread()
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logger.error(
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'Got signal %i in %s/%s',
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signum, process.name, thread.name
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)
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if process.name == "RegExParser":
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# on Windows this isn't triggered, but it's fine,
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# it has its own process termination thing
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raise SystemExit
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if "PoolWorker" in process.name:
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raise SystemExit
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if thread.name not in ("PyBitmessage", "MainThread"):
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return
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logger.error("Got signal %i", signum)
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# there are possible non-UI variants to run bitmessage
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# which should shutdown especially test-mode
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if state.thisapp.daemon or not state.enableGUI:
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shutdown.doCleanShutdown()
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else:
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print('# Thread: %s(%d)' % (thread.name, thread.ident))
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for filename, lineno, name, line in traceback.extract_stack(frame):
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print('File: "%s", line %d, in %s' % (filename, lineno, name))
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if line:
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print(' %s' % line.strip())
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print('Unfortunately you cannot use Ctrl+C when running the UI'
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' because the UI captures the signal.')
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class Main(object):
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"""Main PyBitmessage class"""
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def start(self):
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"""Start main application"""
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# pylint: disable=too-many-statements,too-many-branches,too-many-locals
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_fixSocket()
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adjustHalfOpenConnectionsLimit()
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config = BMConfigParser()
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daemon = config.safeGetBoolean('bitmessagesettings', 'daemon')
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try:
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opts, _ = getopt.getopt(
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sys.argv[1:], "hcdt",
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["help", "curses", "daemon", "test"])
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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, _ 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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elif opt in ("-t", "--test"):
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state.testmode = True
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if os.path.isfile(os.path.join(
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state.appdata, 'unittest.lock')):
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daemon = True
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state.enableGUI = False # run without a UI
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# Fallback: in case when no api command was issued
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state.last_api_response = time.time()
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# Apply special settings
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config.set(
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'bitmessagesettings', 'apienabled', 'true')
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config.set(
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'bitmessagesettings', 'apiusername', 'username')
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config.set(
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'bitmessagesettings', 'apipassword', 'password')
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config.set(
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'bitmessagesettings', 'apivariant', 'legacy')
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config.set(
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'bitmessagesettings', 'apinotifypath',
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os.path.join(app_dir, 'tests', 'apinotify_handler.py')
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)
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if daemon:
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state.enableGUI = False # run without a UI
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if state.enableGUI and not state.curses and not depends.check_pyqt():
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sys.exit(
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'PyBitmessage requires PyQt unless you want'
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' to run it as a daemon and interact with it'
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' using the API. You can download PyQt from '
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'http://www.riverbankcomputing.com/software/pyqt/download'
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' or by searching Google for \'PyQt Download\'.'
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' If you want to run in daemon mode, see '
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'https://bitmessage.org/wiki/Daemon\n'
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'You can also run PyBitmessage with'
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' the new curses interface by providing'
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' \'-c\' as a commandline argument.'
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)
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# is the application already running? If yes then exit.
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state.thisapp = singleinstance("", daemon)
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if daemon:
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with 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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set_thread_name("PyBitmessage")
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state.dandelion = config.safeGetInt('network', 'dandelion')
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# dandelion requires outbound connections, without them,
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# stem objects will get stuck forever
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if state.dandelion and not config.safeGetBoolean(
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'bitmessagesettings', 'sendoutgoingconnections'):
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state.dandelion = 0
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if state.testmode or config.safeGetBoolean(
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'bitmessagesettings', 'extralowdifficulty'):
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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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readKnownNodes()
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# Not needed if objproc is disabled
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if state.enableObjProc:
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# Start the address generation thread
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addressGeneratorThread = addressGenerator()
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# close the main program even if there are threads left
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addressGeneratorThread.daemon = True
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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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# close the main program even if there are threads left
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singleWorkerThread.daemon = True
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singleWorkerThread.start()
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# Start the SQL thread
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sqlLookup = sqlThread()
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# DON'T close the main program even if there are threads left.
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# The closeEvent should command this thread to exit gracefully.
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sqlLookup.daemon = False
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sqlLookup.start()
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Inventory() # init
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# init, needs to be early because other thread may access it early
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Dandelion()
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# Enable object processor and SMTP only if objproc enabled
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if state.enableObjProc:
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# SMTP delivery thread
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if daemon and config.safeGet(
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'bitmessagesettings', 'smtpdeliver', '') != '':
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from class_smtpDeliver import 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 config.safeGetBoolean(
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'bitmessagesettings', 'smtpd'):
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from class_smtpServer import smtpServer
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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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# DON'T close the main program even the thread remains.
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# This thread checks the shutdown variable after processing
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# each object.
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objectProcessorThread.daemon = False
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objectProcessorThread.start()
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# Start the cleanerThread
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singleCleanerThread = singleCleaner()
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# close the main program even if there are threads left
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singleCleanerThread.daemon = True
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singleCleanerThread.start()
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# Not needed if objproc disabled
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if state.enableObjProc:
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shared.reloadMyAddressHashes()
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shared.reloadBroadcastSendersForWhichImWatching()
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# API is also objproc dependent
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if config.safeGetBoolean('bitmessagesettings', 'apienabled'):
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import api # pylint: disable=relative-import
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singleAPIThread = api.singleAPI()
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# close the main program even if there are threads left
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singleAPIThread.daemon = True
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singleAPIThread.start()
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# start network components if networking is enabled
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if state.enableNetwork:
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start_proxyconfig()
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BMConnectionPool().connectToStream(1)
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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(config.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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if config.safeGetBoolean('bitmessagesettings', 'udp'):
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state.announceThread = AnnounceThread()
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state.announceThread.daemon = True
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state.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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state.uploadThread = UploadThread()
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state.uploadThread.daemon = True
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state.uploadThread.start()
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if config.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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else:
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# Populate with hardcoded value (same as connectToStream above)
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state.streamsInWhichIAmParticipating.append(1)
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if not daemon and state.enableGUI:
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if state.curses:
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if not depends.check_curses():
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sys.exit()
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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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import bitmessageqt
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bitmessageqt.run()
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else:
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config.remove_option('bitmessagesettings', 'dontconnect')
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if daemon:
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while state.shutdown == 0:
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time.sleep(1)
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if (
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state.testmode
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and time.time() - state.last_api_response >= 30
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):
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self.stop()
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elif not state.enableGUI:
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state.enableGUI = True
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try:
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# pylint: disable=relative-import
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from tests import core as test_core
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except ImportError:
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self.stop()
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return
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test_core_result = test_core.run()
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self.stop()
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test_core.cleanup()
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sys.exit(not test_core_result.wasSuccessful())
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@staticmethod
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def daemonize():
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"""Running as a daemon. Send signal in end."""
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grandfatherPid = os.getpid()
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parentPid = None
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try:
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if os.fork():
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# unlock
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state.thisapp.cleanup()
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# wait until grandchild ready
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while True:
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time.sleep(1)
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os._exit(0) # pylint: disable=protected-access
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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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parentPid = os.getpid()
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state.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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# unlock
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state.thisapp.cleanup()
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# wait until child ready
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while True:
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time.sleep(1)
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os._exit(0) # pylint: disable=protected-access
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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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state.thisapp.lock() # relock
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state.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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if parentPid:
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# signal ready
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os.kill(parentPid, signal.SIGTERM)
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os.kill(grandfatherPid, signal.SIGTERM)
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@staticmethod
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def setSignalHandler():
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"""Setting the Signal Handler"""
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signal.signal(signal.SIGINT, signal_handler)
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signal.signal(signal.SIGTERM, signal_handler)
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# signal.signal(signal.SIGINT, signal.SIG_DFL)
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@staticmethod
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def usage():
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"""Displaying the usages"""
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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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-t, --test dryrun, make testing
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All parameters are optional.
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''')
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@staticmethod
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def stop():
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"""Stop main application"""
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with 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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@staticmethod
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def getApiAddress():
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"""This function returns API address and port"""
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if not BMConfigParser().safeGetBoolean(
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'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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"""Triggers main module"""
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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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