Changes based on style and lint checks. (final_code_quality_5)
This commit is contained in:
coffeedogs
parent
175916dbdd
commit
0bceeca524
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@ -1,3 +1,8 @@
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"""
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src/defaults.py
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===============
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"""
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# sanity check, prevent doing ridiculous PoW
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# 20 million PoWs equals approximately 2 days on dev's dual R9 290
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ridiculousDifficulty = 20000000
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@ -7,7 +12,13 @@ ridiculousDifficulty = 20000000
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# namecoin integration to "namecoind".
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namecoinDefaultRpcPort = "8336"
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#If changed, these values will cause particularly unexpected behavior: You won't be able to either send or receive messages because the proof of work you do (or demand) won't match that done or demanded by others. Don't change them!
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networkDefaultProofOfWorkNonceTrialsPerByte = 1000 #The amount of work that should be performed (and demanded) per byte of the payload.
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networkDefaultPayloadLengthExtraBytes = 1000 #To make sending short messages a little more difficult, this value is added to the payload length for use in calculating the proof of work target.
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# If changed, these values will cause particularly unexpected behavior:
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# You won't be able to either send or receive messages because the proof
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# of work you do (or demand) won't match that done or demanded by others.
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# Don't change them!
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# The amount of work that should be performed (and demanded) per byte of the payload.
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networkDefaultProofOfWorkNonceTrialsPerByte = 1000
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# To make sending short messages a little more difficult, this value is
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# added to the payload length for use in calculating the proof of work
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# target.
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networkDefaultPayloadLengthExtraBytes = 1000
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@ -1,6 +1,11 @@
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# -*- Mode: Python -*-
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# Id: asyncore.py,v 2.51 2000/09/07 22:29:26 rushing Exp
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# Author: Sam Rushing <rushing@nightmare.com>
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# pylint: disable=too-many-statements,too-many-branches,no-self-use,too-many-lines,attribute-defined-outside-init
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# pylint: disable=global-statement
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"""
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src/network/asyncore_pollchoose.py
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==================================
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# ======================================================================
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# Copyright 1996 by Sam Rushing
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@ -25,7 +30,7 @@
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# CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
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# ======================================================================
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"""Basic infrastructure for asynchronous socket service clients and servers.
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Basic infrastructure for asynchronous socket service clients and servers.
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There are only two ways to have a program on a single processor do "more
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than one thing at a time". Multi-threaded programming is the simplest and
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@ -46,22 +51,20 @@ many of the difficult problems for you, making the task of building
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sophisticated high-performance network servers and clients a snap.
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"""
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# randomise object order for bandwidth balancing
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import random
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import os
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import select
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import socket
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import sys
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import time
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from threading import current_thread
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import warnings
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from errno import (
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EADDRINUSE, EAGAIN, EALREADY, EBADF, ECONNABORTED, ECONNREFUSED, ECONNRESET, EHOSTUNREACH, EINPROGRESS, EINTR,
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EINVAL, EISCONN, ENETUNREACH, ENOTCONN, ENOTSOCK, EPIPE, ESHUTDOWN, ETIMEDOUT, EWOULDBLOCK, errorcode
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)
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from threading import current_thread
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import os
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import helper_random
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from errno import EALREADY, EINPROGRESS, EWOULDBLOCK, ECONNRESET, EINVAL, \
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ENOTCONN, ESHUTDOWN, EISCONN, EBADF, ECONNABORTED, EPIPE, EAGAIN, \
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ECONNREFUSED, EHOSTUNREACH, ENETUNREACH, ENOTSOCK, EINTR, ETIMEDOUT, \
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EADDRINUSE, \
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errorcode
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try:
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from errno import WSAEWOULDBLOCK
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except (ImportError, AttributeError):
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@ -75,13 +78,15 @@ try:
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except (ImportError, AttributeError):
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WSAECONNRESET = ECONNRESET
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try:
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from errno import WSAEADDRINUSE
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# Desirable side-effects on Windows; imports winsock error numbers
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from errno import WSAEADDRINUSE # pylint: disable=unused-import
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except (ImportError, AttributeError):
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WSAEADDRINUSE = EADDRINUSE
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_DISCONNECTED = frozenset((ECONNRESET, ENOTCONN, ESHUTDOWN, ECONNABORTED, EPIPE,
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EBADF, ECONNREFUSED, EHOSTUNREACH, ENETUNREACH, ETIMEDOUT,
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WSAECONNRESET))
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_DISCONNECTED = frozenset((
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ECONNRESET, ENOTCONN, ESHUTDOWN, ECONNABORTED, EPIPE, EBADF, ECONNREFUSED,
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EHOSTUNREACH, ENETUNREACH, ETIMEDOUT, WSAECONNRESET))
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OP_READ = 1
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OP_WRITE = 2
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@ -91,17 +96,21 @@ try:
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except NameError:
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socket_map = {}
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def _strerror(err):
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try:
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return os.strerror(err)
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except (ValueError, OverflowError, NameError):
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if err in errorcode:
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return errorcode[err]
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return "Unknown error %s" %err
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return "Unknown error %s" % err
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class ExitNow(Exception):
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"""We don't use directly but may be necessary as we replace asyncore due to some library raising or expecting it"""
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pass
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_reraised_exceptions = (ExitNow, KeyboardInterrupt, SystemExit)
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maxDownloadRate = 0
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@ -113,28 +122,38 @@ uploadTimestamp = 0
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uploadBucket = 0
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sentBytes = 0
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def read(obj):
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"""Event to read from the object, i.e. its network socket."""
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if not can_receive():
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return
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try:
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obj.handle_read_event()
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except _reraised_exceptions:
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raise
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except:
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except BaseException:
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obj.handle_error()
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def write(obj):
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"""Event to write to the object, i.e. its network socket."""
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if not can_send():
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return
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try:
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obj.handle_write_event()
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except _reraised_exceptions:
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raise
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except:
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except BaseException:
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obj.handle_error()
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def set_rates(download, upload):
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"""Set throttling rates"""
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global maxDownloadRate, maxUploadRate, downloadBucket, uploadBucket, downloadTimestamp, uploadTimestamp
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maxDownloadRate = float(download) * 1024
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maxUploadRate = float(upload) * 1024
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downloadBucket = maxDownloadRate
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downloadTimestamp = time.time()
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uploadTimestamp = time.time()
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def can_receive():
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"""Predicate indicating whether the download throttle is in effect"""
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return maxDownloadRate == 0 or downloadBucket > 0
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def can_send():
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"""Predicate indicating whether the upload throttle is in effect"""
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return maxUploadRate == 0 or uploadBucket > 0
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def update_received(download=0):
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"""Update the receiving throttle"""
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global receivedBytes, downloadBucket, downloadTimestamp
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currentTimestamp = time.time()
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receivedBytes += download
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if maxDownloadRate > 0:
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downloadBucket -= download
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downloadTimestamp = currentTimestamp
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def update_sent(upload=0):
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"""Update the sending throttle"""
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global sentBytes, uploadBucket, uploadTimestamp
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currentTimestamp = time.time()
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sentBytes += upload
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if maxUploadRate > 0:
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uploadBucket -= upload
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uploadTimestamp = currentTimestamp
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def _exception(obj):
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"""Handle exceptions as appropriate"""
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try:
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obj.handle_expt_event()
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except _reraised_exceptions:
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raise
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except:
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except BaseException:
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obj.handle_error()
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def readwrite(obj, flags):
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"""Read and write any pending data to/from the object"""
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try:
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if flags & select.POLLIN and can_receive():
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obj.handle_read_event()
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@ -197,15 +236,20 @@ def readwrite(obj, flags):
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obj.handle_close()
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except _reraised_exceptions:
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raise
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except:
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except BaseException:
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obj.handle_error()
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def select_poller(timeout=0.0, map=None):
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"""A poller which uses select(), available on most platforms."""
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# pylint: disable=redefined-builtin
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if map is None:
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map = socket_map
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if map:
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r = []; w = []; e = []
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r = []
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w = []
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e = []
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for fd, obj in list(map.items()):
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is_r = obj.readable()
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is_w = obj.writable()
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@ -251,13 +295,16 @@ def select_poller(timeout=0.0, map=None):
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else:
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current_thread().stop.wait(timeout)
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def poll_poller(timeout=0.0, map=None):
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"""A poller which uses poll(), available on most UNIXen."""
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# pylint: disable=redefined-builtin
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if map is None:
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map = socket_map
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if timeout is not None:
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# timeout is in milliseconds
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timeout = int(timeout*1000)
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timeout = int(timeout * 1000)
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try:
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poll_poller.pollster
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except AttributeError:
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@ -301,12 +348,16 @@ def poll_poller(timeout=0.0, map=None):
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else:
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current_thread().stop.wait(timeout)
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# Aliases for backward compatibility
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poll = select_poller
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poll2 = poll3 = poll_poller
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def epoll_poller(timeout=0.0, map=None):
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"""A poller which uses epoll(), supported on Linux 2.5.44 and newer."""
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# pylint: disable=redefined-builtin
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if map is None:
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map = socket_map
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try:
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@ -346,7 +397,7 @@ def epoll_poller(timeout=0.0, map=None):
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if e.errno != EINTR:
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raise
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r = []
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except select.error, err:
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except select.error as err:
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if err.args[0] != EINTR:
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raise
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r = []
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@ -358,8 +409,11 @@ def epoll_poller(timeout=0.0, map=None):
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else:
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current_thread().stop.wait(timeout)
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def kqueue_poller(timeout=0.0, map=None):
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"""A poller which uses kqueue(), BSD specific."""
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# pylint: disable=redefined-builtin,no-member
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if map is None:
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map = socket_map
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try:
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@ -425,8 +479,10 @@ def kqueue_poller(timeout=0.0, map=None):
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current_thread().stop.wait(timeout)
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def loop(timeout=30.0, use_poll=False, map=None, count=None,
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poller=None):
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def loop(timeout=30.0, use_poll=False, map=None, count=None, poller=None):
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"""Poll in a loop, until count or timeout is reached"""
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# pylint: disable=redefined-builtin
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if map is None:
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map = socket_map
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if count is None:
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@ -460,10 +516,13 @@ def loop(timeout=30.0, use_poll=False, map=None, count=None,
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break
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# then poll
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poller(subtimeout, map)
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if type(count) is int:
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if isinstance(count, int):
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count = count - 1
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class dispatcher:
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"""Dispatcher for socket objects"""
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# pylint: disable=too-many-public-methods,too-many-instance-attributes,old-style-class
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debug = False
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connected = False
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@ -478,6 +537,7 @@ class dispatcher:
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minTx = 1500
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def __init__(self, sock=None, map=None):
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# pylint: disable=redefined-builtin
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if map is None:
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self._map = socket_map
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else:
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@ -510,7 +570,7 @@ class dispatcher:
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self.socket = None
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def __repr__(self):
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status = [self.__class__.__module__+"."+self.__class__.__name__]
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status = [self.__class__.__module__ + "." + self.__class__.__name__]
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if self.accepting and self.addr:
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status.append('listening')
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elif self.connected:
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@ -525,7 +585,9 @@ class dispatcher:
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__str__ = __repr__
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def add_channel(self, map=None):
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#self.log_info('adding channel %s' % self)
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"""Add a channel"""
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# pylint: disable=redefined-builtin
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if map is None:
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map = self._map
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map[self._fileno] = self
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@ -533,11 +595,13 @@ class dispatcher:
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self.poller_filter = 0
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def del_channel(self, map=None):
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"""Delete a channel"""
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# pylint: disable=redefined-builtin
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fd = self._fileno
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if map is None:
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map = self._map
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if fd in map:
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#self.log_info('closing channel %d:%s' % (fd, self))
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del map[fd]
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if self._fileno:
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try:
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@ -564,19 +628,23 @@ class dispatcher:
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self.poller_registered = False
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def create_socket(self, family=socket.AF_INET, socket_type=socket.SOCK_STREAM):
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"""Create a socket"""
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self.family_and_type = family, socket_type
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sock = socket.socket(family, socket_type)
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sock.setblocking(0)
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self.set_socket(sock)
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def set_socket(self, sock, map=None):
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"""Set socket"""
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# pylint: disable=redefined-builtin
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self.socket = sock
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## self.__dict__['socket'] = sock
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self._fileno = sock.fileno()
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self.add_channel(map)
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def set_reuse_addr(self):
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# try to re-use a server port if possible
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"""try to re-use a server port if possible"""
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try:
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self.socket.setsockopt(
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socket.SOL_SOCKET, socket.SO_REUSEADDR,
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|
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@ -593,11 +661,13 @@ class dispatcher:
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# ==================================================
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def readable(self):
|
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"""Predicate to indicate download throttle status"""
|
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if maxDownloadRate > 0:
|
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return downloadBucket > dispatcher.minTx
|
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return True
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|
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def writable(self):
|
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"""Predicate to indicate upload throttle status"""
|
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if maxUploadRate > 0:
|
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return uploadBucket > dispatcher.minTx
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return True
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|
|
@ -607,16 +677,19 @@ class dispatcher:
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# ==================================================
|
||||
|
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def listen(self, num):
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"""Listen on a port"""
|
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self.accepting = True
|
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if os.name == 'nt' and num > 5:
|
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num = 5
|
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return self.socket.listen(num)
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|
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def bind(self, addr):
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"""Bind to an address"""
|
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self.addr = addr
|
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return self.socket.bind(addr)
|
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|
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def connect(self, address):
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"""Connect to an address"""
|
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self.connected = False
|
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self.connecting = True
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err = self.socket.connect_ex(address)
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|
|
@ -631,7 +704,7 @@ class dispatcher:
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raise socket.error(err, errorcode[err])
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|
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def accept(self):
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# XXX can return either an address pair or None
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"""Accept incoming connections. Returns either an address pair or None."""
|
||||
try:
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conn, addr = self.socket.accept()
|
||||
except TypeError:
|
||||
|
|
@ -645,6 +718,7 @@ class dispatcher:
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return conn, addr
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||||
|
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def send(self, data):
|
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"""Send data"""
|
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try:
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result = self.socket.send(data)
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return result
|
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|
|
@ -658,6 +732,7 @@ class dispatcher:
|
|||
raise
|
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|
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def recv(self, buffer_size):
|
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"""Receive data"""
|
||||
try:
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data = self.socket.recv(buffer_size)
|
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if not data:
|
||||
|
|
@ -665,7 +740,6 @@ class dispatcher:
|
|||
# a read condition, and having recv() return 0.
|
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self.handle_close()
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return b''
|
||||
else:
|
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return data
|
||||
except socket.error as why:
|
||||
# winsock sometimes raises ENOTCONN
|
||||
|
|
@ -678,6 +752,7 @@ class dispatcher:
|
|||
raise
|
||||
|
||||
def close(self):
|
||||
"""Close connection"""
|
||||
self.connected = False
|
||||
self.accepting = False
|
||||
self.connecting = False
|
||||
|
|
@ -695,10 +770,10 @@ class dispatcher:
|
|||
retattr = getattr(self.socket, attr)
|
||||
except AttributeError:
|
||||
raise AttributeError("%s instance has no attribute '%s'"
|
||||
%(self.__class__.__name__, attr))
|
||||
% (self.__class__.__name__, attr))
|
||||
else:
|
||||
msg = "%(me)s.%(attr)s is deprecated; use %(me)s.socket.%(attr)s " \
|
||||
"instead" % {'me' : self.__class__.__name__, 'attr' : attr}
|
||||
"instead" % {'me': self.__class__.__name__, 'attr': attr}
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warnings.warn(msg, DeprecationWarning, stacklevel=2)
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return retattr
|
||||
|
||||
|
|
@ -707,13 +782,16 @@ class dispatcher:
|
|||
# and 'log_info' is for informational, warning and error logging.
|
||||
|
||||
def log(self, message):
|
||||
"""Log a message to stderr"""
|
||||
sys.stderr.write('log: %s\n' % str(message))
|
||||
|
||||
def log_info(self, message, log_type='info'):
|
||||
"""Conditionally print a message"""
|
||||
if log_type not in self.ignore_log_types:
|
||||
print('%s: %s' % (log_type, message))
|
||||
print '%s: %s' % (log_type, message)
|
||||
|
||||
def handle_read_event(self):
|
||||
"""Handle a read event"""
|
||||
if self.accepting:
|
||||
# accepting sockets are never connected, they "spawn" new
|
||||
# sockets that are connected
|
||||
|
|
@ -726,6 +804,7 @@ class dispatcher:
|
|||
self.handle_read()
|
||||
|
||||
def handle_connect_event(self):
|
||||
"""Handle a connection event"""
|
||||
err = self.socket.getsockopt(socket.SOL_SOCKET, socket.SO_ERROR)
|
||||
if err != 0:
|
||||
raise socket.error(err, _strerror(err))
|
||||
|
|
@ -734,6 +813,7 @@ class dispatcher:
|
|||
self.connecting = False
|
||||
|
||||
def handle_write_event(self):
|
||||
"""Handle a write event"""
|
||||
if self.accepting:
|
||||
# Accepting sockets shouldn't get a write event.
|
||||
# We will pretend it didn't happen.
|
||||
|
|
@ -745,6 +825,7 @@ class dispatcher:
|
|||
self.handle_write()
|
||||
|
||||
def handle_expt_event(self):
|
||||
"""Handle expected exceptions"""
|
||||
# handle_expt_event() is called if there might be an error on the
|
||||
# socket, or if there is OOB data
|
||||
# check for the error condition first
|
||||
|
|
@ -763,12 +844,13 @@ class dispatcher:
|
|||
self.handle_expt()
|
||||
|
||||
def handle_error(self):
|
||||
nil, t, v, tbinfo = compact_traceback()
|
||||
"""Handle unexpected exceptions"""
|
||||
_, t, v, tbinfo = compact_traceback()
|
||||
|
||||
# sometimes a user repr method will crash.
|
||||
try:
|
||||
self_repr = repr(self)
|
||||
except:
|
||||
except BaseException:
|
||||
self_repr = '<__repr__(self) failed for object at %0x>' % id(self)
|
||||
|
||||
self.log_info(
|
||||
|
|
@ -782,64 +864,81 @@ class dispatcher:
|
|||
)
|
||||
self.handle_close()
|
||||
|
||||
def handle_expt(self):
|
||||
self.log_info('unhandled incoming priority event', 'warning')
|
||||
|
||||
def handle_read(self):
|
||||
self.log_info('unhandled read event', 'warning')
|
||||
|
||||
def handle_write(self):
|
||||
self.log_info('unhandled write event', 'warning')
|
||||
|
||||
def handle_connect(self):
|
||||
self.log_info('unhandled connect event', 'warning')
|
||||
|
||||
def handle_accept(self):
|
||||
"""Handle an accept event"""
|
||||
pair = self.accept()
|
||||
if pair is not None:
|
||||
self.handle_accepted(*pair)
|
||||
|
||||
def handle_expt(self):
|
||||
"""Log that the subclass does not implement handle_expt"""
|
||||
self.log_info('unhandled incoming priority event', 'warning')
|
||||
|
||||
def handle_read(self):
|
||||
"""Log that the subclass does not implement handle_read"""
|
||||
self.log_info('unhandled read event', 'warning')
|
||||
|
||||
def handle_write(self):
|
||||
"""Log that the subclass does not implement handle_write"""
|
||||
self.log_info('unhandled write event', 'warning')
|
||||
|
||||
def handle_connect(self):
|
||||
"""Log that the subclass does not implement handle_connect"""
|
||||
self.log_info('unhandled connect event', 'warning')
|
||||
|
||||
def handle_accepted(self, sock, addr):
|
||||
"""Log that the subclass does not implement handle_accepted"""
|
||||
sock.close()
|
||||
self.log_info('unhandled accepted event on %s' % (addr), 'warning')
|
||||
|
||||
def handle_close(self):
|
||||
"""Log that the subclass does not implement handle_close"""
|
||||
self.log_info('unhandled close event', 'warning')
|
||||
self.close()
|
||||
|
||||
# ---------------------------------------------------------------------------
|
||||
# adds simple buffered output capability, useful for simple clients.
|
||||
# [for more sophisticated usage use asynchat.async_chat]
|
||||
# ---------------------------------------------------------------------------
|
||||
|
||||
class dispatcher_with_send(dispatcher):
|
||||
"""
|
||||
adds simple buffered output capability, useful for simple clients.
|
||||
[for more sophisticated usage use asynchat.async_chat]
|
||||
"""
|
||||
# pylint: disable=redefined-builtin
|
||||
|
||||
def __init__(self, sock=None, map=None):
|
||||
# pylint: disable=redefined-builtin
|
||||
|
||||
dispatcher.__init__(self, sock, map)
|
||||
self.out_buffer = b''
|
||||
|
||||
def initiate_send(self):
|
||||
"""Initiate a send"""
|
||||
num_sent = 0
|
||||
num_sent = dispatcher.send(self, self.out_buffer[:512])
|
||||
self.out_buffer = self.out_buffer[num_sent:]
|
||||
|
||||
def handle_write(self):
|
||||
"""Handle a write event"""
|
||||
self.initiate_send()
|
||||
|
||||
def writable(self):
|
||||
return (not self.connected) or len(self.out_buffer)
|
||||
"""Predicate to indicate if the object is writable"""
|
||||
return not self.connected or len(self.out_buffer)
|
||||
|
||||
def send(self, data):
|
||||
"""Send data"""
|
||||
if self.debug:
|
||||
self.log_info('sending %s' % repr(data))
|
||||
self.out_buffer = self.out_buffer + data
|
||||
self.initiate_send()
|
||||
|
||||
|
||||
# ---------------------------------------------------------------------------
|
||||
# used for debugging.
|
||||
# ---------------------------------------------------------------------------
|
||||
|
||||
|
||||
def compact_traceback():
|
||||
"""Return a compact traceback"""
|
||||
t, v, tb = sys.exc_info()
|
||||
tbinfo = []
|
||||
if not tb: # Must have a traceback
|
||||
|
|
@ -855,11 +954,15 @@ def compact_traceback():
|
|||
# just to be safe
|
||||
del tb
|
||||
|
||||
file, function, line = tbinfo[-1]
|
||||
filename, function, line = tbinfo[-1]
|
||||
info = ' '.join(['[%s|%s|%s]' % x for x in tbinfo])
|
||||
return (file, function, line), t, v, info
|
||||
return (filename, function, line), t, v, info
|
||||
|
||||
|
||||
def close_all(map=None, ignore_all=False):
|
||||
"""Close all connections"""
|
||||
# pylint: disable=redefined-builtin
|
||||
|
||||
if map is None:
|
||||
map = socket_map
|
||||
for x in list(map.values()):
|
||||
|
|
@ -872,11 +975,12 @@ def close_all(map=None, ignore_all=False):
|
|||
raise
|
||||
except _reraised_exceptions:
|
||||
raise
|
||||
except:
|
||||
except BaseException:
|
||||
if not ignore_all:
|
||||
raise
|
||||
map.clear()
|
||||
|
||||
|
||||
# Asynchronous File I/O:
|
||||
#
|
||||
# After a little research (reading man pages on various unixen, and
|
||||
|
|
@ -890,24 +994,31 @@ def close_all(map=None, ignore_all=False):
|
|||
#
|
||||
# Regardless, this is useful for pipes, and stdin/stdout...
|
||||
|
||||
|
||||
if os.name == 'posix':
|
||||
import fcntl
|
||||
|
||||
class file_wrapper:
|
||||
# Here we override just enough to make a file
|
||||
# look like a socket for the purposes of asyncore.
|
||||
# The passed fd is automatically os.dup()'d
|
||||
"""
|
||||
Here we override just enough to make a file look like a socket for the purposes of asyncore.
|
||||
|
||||
The passed fd is automatically os.dup()'d
|
||||
"""
|
||||
# pylint: disable=old-style-class
|
||||
|
||||
def __init__(self, fd):
|
||||
self.fd = os.dup(fd)
|
||||
|
||||
def recv(self, *args):
|
||||
"""Fake recv()"""
|
||||
return os.read(self.fd, *args)
|
||||
|
||||
def send(self, *args):
|
||||
"""Fake send()"""
|
||||
return os.write(self.fd, *args)
|
||||
|
||||
def getsockopt(self, level, optname, buflen=None):
|
||||
"""Fake getsockopt()"""
|
||||
if (level == socket.SOL_SOCKET and
|
||||
optname == socket.SO_ERROR and
|
||||
not buflen):
|
||||
|
|
@ -919,14 +1030,19 @@ if os.name == 'posix':
|
|||
write = send
|
||||
|
||||
def close(self):
|
||||
"""Fake close()"""
|
||||
os.close(self.fd)
|
||||
|
||||
def fileno(self):
|
||||
"""Fake fileno()"""
|
||||
return self.fd
|
||||
|
||||
class file_dispatcher(dispatcher):
|
||||
"""A dispatcher for file_wrapper objects"""
|
||||
|
||||
def __init__(self, fd, map=None):
|
||||
# pylint: disable=redefined-builtin
|
||||
|
||||
dispatcher.__init__(self, None, map)
|
||||
self.connected = True
|
||||
try:
|
||||
|
|
@ -940,6 +1056,7 @@ if os.name == 'posix':
|
|||
fcntl.fcntl(fd, fcntl.F_SETFL, flags)
|
||||
|
||||
def set_file(self, fd):
|
||||
"""Set file"""
|
||||
self.socket = file_wrapper(fd)
|
||||
self._fileno = self.socket.fileno()
|
||||
self.add_channel()
|
||||
|
|
|
|||
|
|
@ -1,41 +1,42 @@
|
|||
import base64
|
||||
from binascii import hexlify
|
||||
import hashlib
|
||||
import math
|
||||
import time
|
||||
from pprint import pprint
|
||||
import socket
|
||||
import struct
|
||||
import random
|
||||
import traceback
|
||||
# pylint: disable=too-many-ancestors
|
||||
"""
|
||||
src/network/tcp.py
|
||||
==================
|
||||
"""
|
||||
|
||||
from addresses import calculateInventoryHash
|
||||
from debug import logger
|
||||
from helper_random import randomBytes
|
||||
import helper_random
|
||||
from inventory import Inventory
|
||||
import knownnodes
|
||||
from network.advanceddispatcher import AdvancedDispatcher
|
||||
from network.bmproto import BMProtoError, BMProtoInsufficientDataError, BMProtoExcessiveDataError, BMProto
|
||||
from network.bmobject import BMObject, BMObjectInsufficientPOWError, BMObjectInvalidDataError, BMObjectExpiredError, BMObjectUnwantedStreamError, BMObjectInvalidError, BMObjectAlreadyHaveError
|
||||
import network.connectionpool
|
||||
from network.dandelion import Dandelion
|
||||
from network.node import Node
|
||||
import network.asyncore_pollchoose as asyncore
|
||||
from network.proxy import Proxy, ProxyError, GeneralProxyError
|
||||
from network.objectracker import ObjectTracker
|
||||
from network.socks5 import Socks5Connection, Socks5Resolver, Socks5AuthError, Socks5Error
|
||||
from network.socks4a import Socks4aConnection, Socks4aResolver, Socks4aError
|
||||
from network.tls import TLSDispatcher
|
||||
import math
|
||||
import random
|
||||
import socket
|
||||
import time
|
||||
|
||||
import addresses
|
||||
from bmconfigparser import BMConfigParser
|
||||
from queues import invQueue, objectProcessorQueue, portCheckerQueue, UISignalQueue, receiveDataQueue
|
||||
import helper_random
|
||||
import knownnodes
|
||||
import network.asyncore_pollchoose as asyncore
|
||||
import network.connectionpool
|
||||
import protocol
|
||||
import shared
|
||||
import state
|
||||
import protocol
|
||||
from bmconfigparser import BMConfigParser
|
||||
from debug import logger
|
||||
from helper_random import randomBytes
|
||||
from inventory import Inventory
|
||||
from network.advanceddispatcher import AdvancedDispatcher
|
||||
from network.bmproto import BMProto
|
||||
from network.dandelion import Dandelion
|
||||
from network.objectracker import ObjectTracker
|
||||
from network.socks4a import Socks4aConnection
|
||||
from network.socks5 import Socks5Connection
|
||||
from network.tls import TLSDispatcher
|
||||
from queues import UISignalQueue, invQueue, receiveDataQueue
|
||||
|
||||
|
||||
class TCPConnection(BMProto, TLSDispatcher): # pylint: disable=too-many-instance-attributes
|
||||
"""
|
||||
|
||||
.. todo:: Look to understand and/or fix the non-parent-init-called
|
||||
"""
|
||||
|
||||
class TCPConnection(BMProto, TLSDispatcher):
|
||||
def __init__(self, address=None, sock=None):
|
||||
BMProto.__init__(self, address=address, sock=sock)
|
||||
self.verackReceived = False
|
||||
|
|
@ -67,18 +68,25 @@ class TCPConnection(BMProto, TLSDispatcher):
|
|||
self.connect(self.destination)
|
||||
logger.debug("Connecting to %s:%i", self.destination.host, self.destination.port)
|
||||
encodedAddr = protocol.encodeHost(self.destination.host)
|
||||
if protocol.checkIPAddress(encodedAddr, True) and not protocol.checkSocksIP(self.destination.host):
|
||||
self.local = True
|
||||
else:
|
||||
self.local = False
|
||||
#shared.connectedHostsList[self.destination] = 0
|
||||
ObjectTracker.__init__(self)
|
||||
self.local = all([
|
||||
protocol.checkIPAddress(encodedAddr, True),
|
||||
not protocol.checkSocksIP(self.destination.host)
|
||||
])
|
||||
ObjectTracker.__init__(self) # pylint: disable=non-parent-init-called
|
||||
self.bm_proto_reset()
|
||||
self.set_state("bm_header", expectBytes=protocol.Header.size)
|
||||
|
||||
def antiIntersectionDelay(self, initial = False):
|
||||
def antiIntersectionDelay(self, initial=False):
|
||||
"""
|
||||
This is a defense against the so called intersection attacks.
|
||||
|
||||
It is called when you notice peer is requesting non-existing objects, or right after the connection is
|
||||
established. It will estimate how long an object will take to propagate across the network, and skip processing
|
||||
"getdata" requests until then. This means an attacker only has one shot per IP to perform the attack.
|
||||
"""
|
||||
# estimated time for a small object to propagate across the whole network
|
||||
delay = math.ceil(math.log(max(len(knownnodes.knownNodes[x]) for x in knownnodes.knownNodes) + 2, 20)) * (0.2 + invQueue.queueCount/2.0)
|
||||
max_known_nodes = max(len(knownnodes.knownNodes[x]) for x in knownnodes.knownNodes)
|
||||
delay = math.ceil(math.log(max_known_nodes + 2, 20)) * (0.2 + invQueue.queueCount / 2.0)
|
||||
# take the stream with maximum amount of nodes
|
||||
# +2 is to avoid problems with log(0) and log(1)
|
||||
# 20 is avg connected nodes count
|
||||
|
|
@ -93,12 +101,17 @@ class TCPConnection(BMProto, TLSDispatcher):
|
|||
self.skipUntil = time.time() + delay
|
||||
|
||||
def state_connection_fully_established(self):
|
||||
"""
|
||||
State after the bitmessage protocol handshake is completed (version/verack exchange, and if both side support
|
||||
TLS, the TLS handshake as well).
|
||||
"""
|
||||
self.set_connection_fully_established()
|
||||
self.set_state("bm_header")
|
||||
self.bm_proto_reset()
|
||||
return True
|
||||
|
||||
def set_connection_fully_established(self):
|
||||
"""Initiate inventory synchronisation."""
|
||||
if not self.isOutbound and not self.local:
|
||||
shared.clientHasReceivedIncomingConnections = True
|
||||
UISignalQueue.put(('setStatusIcon', 'green'))
|
||||
|
|
@ -113,20 +126,18 @@ class TCPConnection(BMProto, TLSDispatcher):
|
|||
self.sendBigInv()
|
||||
|
||||
def sendAddr(self):
|
||||
"""Send a partial list of known addresses to peer."""
|
||||
# We are going to share a maximum number of 1000 addrs (per overlapping
|
||||
# stream) with our peer. 500 from overlapping streams, 250 from the
|
||||
# left child stream, and 250 from the right child stream.
|
||||
maxAddrCount = BMConfigParser().safeGetInt("bitmessagesettings", "maxaddrperstreamsend", 500)
|
||||
|
||||
# init
|
||||
addressCount = 0
|
||||
payload = b''
|
||||
|
||||
templist = []
|
||||
addrs = {}
|
||||
for stream in self.streams:
|
||||
with knownnodes.knownNodesLock:
|
||||
if len(knownnodes.knownNodes[stream]) > 0:
|
||||
if knownnodes.knownNodes[stream]:
|
||||
filtered = {k: v for k, v in knownnodes.knownNodes[stream].items()
|
||||
if v["lastseen"] > (int(time.time()) - shared.maximumAgeOfNodesThatIAdvertiseToOthers)}
|
||||
elemCount = len(filtered)
|
||||
|
|
@ -135,28 +146,30 @@ class TCPConnection(BMProto, TLSDispatcher):
|
|||
# only if more recent than 3 hours
|
||||
addrs[stream] = helper_random.randomsample(filtered.items(), elemCount)
|
||||
# sent 250 only if the remote isn't interested in it
|
||||
if len(knownnodes.knownNodes[stream * 2]) > 0 and stream not in self.streams:
|
||||
filtered = {k: v for k, v in knownnodes.knownNodes[stream*2].items()
|
||||
if knownnodes.knownNodes[stream * 2] and stream not in self.streams:
|
||||
filtered = {k: v for k, v in knownnodes.knownNodes[stream * 2].items()
|
||||
if v["lastseen"] > (int(time.time()) - shared.maximumAgeOfNodesThatIAdvertiseToOthers)}
|
||||
elemCount = len(filtered)
|
||||
if elemCount > maxAddrCount / 2:
|
||||
elemCount = int(maxAddrCount / 2)
|
||||
addrs[stream * 2] = helper_random.randomsample(filtered.items(), elemCount)
|
||||
if len(knownnodes.knownNodes[(stream * 2) + 1]) > 0 and stream not in self.streams:
|
||||
filtered = {k: v for k, v in knownnodes.knownNodes[stream*2+1].items()
|
||||
if knownnodes.knownNodes[(stream * 2) + 1] and stream not in self.streams:
|
||||
filtered = {k: v for k, v in knownnodes.knownNodes[stream * 2 + 1].items()
|
||||
if v["lastseen"] > (int(time.time()) - shared.maximumAgeOfNodesThatIAdvertiseToOthers)}
|
||||
elemCount = len(filtered)
|
||||
if elemCount > maxAddrCount / 2:
|
||||
elemCount = int(maxAddrCount / 2)
|
||||
addrs[stream * 2 + 1] = helper_random.randomsample(filtered.items(), elemCount)
|
||||
for substream in addrs.keys():
|
||||
for substream in addrs:
|
||||
for peer, params in addrs[substream]:
|
||||
templist.append((substream, peer, params["lastseen"]))
|
||||
if len(templist) > 0:
|
||||
if templist:
|
||||
self.append_write_buf(BMProto.assembleAddr(templist))
|
||||
|
||||
def sendBigInv(self):
|
||||
"""Send hashes of all inventory objects, chunked as the protocol has a per-command limit."""
|
||||
def sendChunk():
|
||||
"""Send one chunk of inv entries in one command"""
|
||||
if objectCount == 0:
|
||||
return
|
||||
logger.debug('Sending huge inv message with %i objects to just this one peer', objectCount)
|
||||
|
|
@ -172,13 +185,12 @@ class TCPConnection(BMProto, TLSDispatcher):
|
|||
if Dandelion().hasHash(objHash):
|
||||
continue
|
||||
bigInvList[objHash] = 0
|
||||
#self.objectsNewToThem[objHash] = time.time()
|
||||
objectCount = 0
|
||||
payload = b''
|
||||
# Now let us start appending all of these hashes together. They will be
|
||||
# sent out in a big inv message to our new peer.
|
||||
for hash, storedValue in bigInvList.items():
|
||||
payload += hash
|
||||
for obj_hash, _ in bigInvList.items():
|
||||
payload += obj_hash
|
||||
objectCount += 1
|
||||
|
||||
# Remove -1 below when sufficient time has passed for users to
|
||||
|
|
@ -193,20 +205,26 @@ class TCPConnection(BMProto, TLSDispatcher):
|
|||
sendChunk()
|
||||
|
||||
def handle_connect(self):
|
||||
"""Callback for TCP connection being established."""
|
||||
try:
|
||||
AdvancedDispatcher.handle_connect(self)
|
||||
except socket.error as e:
|
||||
if e.errno in asyncore._DISCONNECTED:
|
||||
logger.debug("%s:%i: Connection failed: %s" % (self.destination.host, self.destination.port, str(e)))
|
||||
if e.errno in asyncore._DISCONNECTED: # pylint: disable=protected-access
|
||||
logger.debug("%s:%i: Connection failed: %s", self.destination.host, self.destination.port, str(e))
|
||||
return
|
||||
self.nodeid = randomBytes(8)
|
||||
self.append_write_buf(protocol.assembleVersionMessage(self.destination.host, self.destination.port, \
|
||||
network.connectionpool.BMConnectionPool().streams, False, nodeid=self.nodeid))
|
||||
#print "%s:%i: Sending version" % (self.destination.host, self.destination.port)
|
||||
self.append_write_buf(
|
||||
protocol.assembleVersionMessage(
|
||||
self.destination.host,
|
||||
self.destination.port,
|
||||
network.connectionpool.BMConnectionPool().streams,
|
||||
False,
|
||||
nodeid=self.nodeid))
|
||||
self.connectedAt = time.time()
|
||||
receiveDataQueue.put(self.destination)
|
||||
|
||||
def handle_read(self):
|
||||
"""Callback for reading from a socket"""
|
||||
TLSDispatcher.handle_read(self)
|
||||
if self.isOutbound and self.fullyEstablished:
|
||||
for s in self.streams:
|
||||
|
|
@ -218,9 +236,11 @@ class TCPConnection(BMProto, TLSDispatcher):
|
|||
receiveDataQueue.put(self.destination)
|
||||
|
||||
def handle_write(self):
|
||||
"""Callback for writing to a socket"""
|
||||
TLSDispatcher.handle_write(self)
|
||||
|
||||
def handle_close(self):
|
||||
"""Callback for connection being closed."""
|
||||
if self.isOutbound and not self.fullyEstablished:
|
||||
knownnodes.decreaseRating(self.destination)
|
||||
if self.fullyEstablished:
|
||||
|
|
@ -231,37 +251,55 @@ class TCPConnection(BMProto, TLSDispatcher):
|
|||
|
||||
|
||||
class Socks5BMConnection(Socks5Connection, TCPConnection):
|
||||
"""SOCKS5 wrapper for TCP connections"""
|
||||
|
||||
def __init__(self, address):
|
||||
Socks5Connection.__init__(self, address=address)
|
||||
TCPConnection.__init__(self, address=address, sock=self.socket)
|
||||
self.set_state("init")
|
||||
|
||||
def state_proxy_handshake_done(self):
|
||||
"""State when SOCKS5 connection succeeds, we need to send a Bitmessage handshake to peer."""
|
||||
Socks5Connection.state_proxy_handshake_done(self)
|
||||
self.nodeid = randomBytes(8)
|
||||
self.append_write_buf(protocol.assembleVersionMessage(self.destination.host, self.destination.port, \
|
||||
network.connectionpool.BMConnectionPool().streams, False, nodeid=self.nodeid))
|
||||
self.append_write_buf(
|
||||
protocol.assembleVersionMessage(
|
||||
self.destination.host,
|
||||
self.destination.port,
|
||||
network.connectionpool.BMConnectionPool().streams,
|
||||
False,
|
||||
nodeid=self.nodeid))
|
||||
self.set_state("bm_header", expectBytes=protocol.Header.size)
|
||||
return True
|
||||
|
||||
|
||||
class Socks4aBMConnection(Socks4aConnection, TCPConnection):
|
||||
"""SOCKS4a wrapper for TCP connections"""
|
||||
|
||||
def __init__(self, address):
|
||||
Socks4aConnection.__init__(self, address=address)
|
||||
TCPConnection.__init__(self, address=address, sock=self.socket)
|
||||
self.set_state("init")
|
||||
|
||||
def state_proxy_handshake_done(self):
|
||||
"""State when SOCKS4a connection succeeds, we need to send a Bitmessage handshake to peer."""
|
||||
Socks4aConnection.state_proxy_handshake_done(self)
|
||||
self.nodeid = randomBytes(8)
|
||||
self.append_write_buf(protocol.assembleVersionMessage(self.destination.host, self.destination.port, \
|
||||
network.connectionpool.BMConnectionPool().streams, False, nodeid=self.nodeid))
|
||||
self.append_write_buf(
|
||||
protocol.assembleVersionMessage(
|
||||
self.destination.host,
|
||||
self.destination.port,
|
||||
network.connectionpool.BMConnectionPool().streams,
|
||||
False,
|
||||
nodeid=self.nodeid))
|
||||
self.set_state("bm_header", expectBytes=protocol.Header.size)
|
||||
return True
|
||||
|
||||
|
||||
class TCPServer(AdvancedDispatcher):
|
||||
def __init__(self, host='127.0.0.1', port=8444):
|
||||
"""TCP connection server for Bitmessage protocol"""
|
||||
|
||||
def __init__(self, host='127.0.0.1', port=8444): # pylint: disable=redefined-outer-name
|
||||
if not hasattr(self, '_map'):
|
||||
AdvancedDispatcher.__init__(self)
|
||||
self.create_socket(socket.AF_INET, socket.SOCK_STREAM)
|
||||
|
|
@ -284,15 +322,17 @@ class TCPServer(AdvancedDispatcher):
|
|||
self.listen(5)
|
||||
|
||||
def is_bound(self):
|
||||
"""Is the socket bound?"""
|
||||
try:
|
||||
return self.bound
|
||||
except AttributeError:
|
||||
return False
|
||||
|
||||
def handle_accept(self):
|
||||
"""Incoming connection callback"""
|
||||
pair = self.accept()
|
||||
if pair is not None:
|
||||
sock, addr = pair
|
||||
sock, _ = pair
|
||||
state.ownAddresses[state.Peer(sock.getsockname()[0], sock.getsockname()[1])] = True
|
||||
if len(network.connectionpool.BMConnectionPool().inboundConnections) + \
|
||||
len(network.connectionpool.BMConnectionPool().outboundConnections) > \
|
||||
|
|
@ -314,17 +354,7 @@ if __name__ == "__main__":
|
|||
|
||||
for host in (("127.0.0.1", 8448),):
|
||||
direct = TCPConnection(host)
|
||||
while len(asyncore.socket_map) > 0:
|
||||
while asyncore.socket_map:
|
||||
print "loop, state = %s" % (direct.state)
|
||||
asyncore.loop(timeout=10, count=1)
|
||||
continue
|
||||
|
||||
proxy = Socks5BMConnection(host)
|
||||
while len(asyncore.socket_map) > 0:
|
||||
# print "loop, state = %s" % (proxy.state)
|
||||
asyncore.loop(timeout=10, count=1)
|
||||
|
||||
proxy = Socks4aBMConnection(host)
|
||||
while len(asyncore.socket_map) > 0:
|
||||
# print "loop, state = %s" % (proxy.state)
|
||||
asyncore.loop(timeout=10, count=1)
|
||||
|
|
|
|||
|
|
@ -1,60 +1,71 @@
|
|||
#import shared
|
||||
#import time
|
||||
#from multiprocessing import Pool, cpu_count
|
||||
# pylint: disable=too-many-branches,too-many-statements,protected-access
|
||||
"""
|
||||
src/proofofwork.py
|
||||
==================
|
||||
"""
|
||||
|
||||
import ctypes
|
||||
import hashlib
|
||||
from struct import unpack, pack
|
||||
from subprocess import call
|
||||
import os
|
||||
import sys
|
||||
import time
|
||||
from struct import pack, unpack
|
||||
from subprocess import call
|
||||
|
||||
import openclpow
|
||||
import paths
|
||||
import queues
|
||||
import state
|
||||
import tr
|
||||
from bmconfigparser import BMConfigParser
|
||||
from debug import logger
|
||||
import paths
|
||||
import openclpow
|
||||
import queues
|
||||
import tr
|
||||
import os
|
||||
import ctypes
|
||||
|
||||
import state
|
||||
|
||||
bitmsglib = 'bitmsghash.so'
|
||||
|
||||
bmpow = None
|
||||
|
||||
|
||||
def _set_idle():
|
||||
if 'linux' in sys.platform:
|
||||
os.nice(20)
|
||||
else:
|
||||
try:
|
||||
# pylint: disable=no-member,import-error
|
||||
sys.getwindowsversion()
|
||||
import win32api,win32process,win32con # @UnresolvedImport
|
||||
import win32api
|
||||
import win32process
|
||||
import win32con
|
||||
pid = win32api.GetCurrentProcessId()
|
||||
handle = win32api.OpenProcess(win32con.PROCESS_ALL_ACCESS, True, pid)
|
||||
win32process.SetPriorityClass(handle, win32process.IDLE_PRIORITY_CLASS)
|
||||
except:
|
||||
#Windows 64-bit
|
||||
# Windows 64-bit
|
||||
pass
|
||||
|
||||
|
||||
def _pool_worker(nonce, initialHash, target, pool_size):
|
||||
_set_idle()
|
||||
trialValue = float('inf')
|
||||
while trialValue > target:
|
||||
nonce += pool_size
|
||||
trialValue, = unpack('>Q',hashlib.sha512(hashlib.sha512(pack('>Q',nonce) + initialHash).digest()).digest()[0:8])
|
||||
trialValue, = unpack('>Q', hashlib.sha512(hashlib.sha512(
|
||||
pack('>Q', nonce) + initialHash).digest()).digest()[0:8])
|
||||
return [trialValue, nonce]
|
||||
|
||||
|
||||
def _doSafePoW(target, initialHash):
|
||||
logger.debug("Safe PoW start")
|
||||
nonce = 0
|
||||
trialValue = float('inf')
|
||||
while trialValue > target and state.shutdown == 0:
|
||||
nonce += 1
|
||||
trialValue, = unpack('>Q',hashlib.sha512(hashlib.sha512(pack('>Q',nonce) + initialHash).digest()).digest()[0:8])
|
||||
trialValue, = unpack('>Q', hashlib.sha512(hashlib.sha512(
|
||||
pack('>Q', nonce) + initialHash).digest()).digest()[0:8])
|
||||
if state.shutdown != 0:
|
||||
raise StopIteration("Interrupted")
|
||||
raise StopIteration("Interrupted") # pylint: misplaced-bare-raise
|
||||
logger.debug("Safe PoW done")
|
||||
return [trialValue, nonce]
|
||||
|
||||
|
||||
def _doFastPoW(target, initialHash):
|
||||
logger.debug("Fast PoW start")
|
||||
from multiprocessing import Pool, cpu_count
|
||||
|
|
@ -97,6 +108,7 @@ def _doFastPoW(target, initialHash):
|
|||
return result[0], result[1]
|
||||
time.sleep(0.2)
|
||||
|
||||
|
||||
def _doCPoW(target, initialHash):
|
||||
h = initialHash
|
||||
m = target
|
||||
|
|
@ -104,21 +116,29 @@ def _doCPoW(target, initialHash):
|
|||
out_m = ctypes.c_ulonglong(m)
|
||||
logger.debug("C PoW start")
|
||||
nonce = bmpow(out_h, out_m)
|
||||
trialValue, = unpack('>Q',hashlib.sha512(hashlib.sha512(pack('>Q',nonce) + initialHash).digest()).digest()[0:8])
|
||||
trialValue, = unpack('>Q', hashlib.sha512(hashlib.sha512(pack('>Q', nonce) + initialHash).digest()).digest()[0:8])
|
||||
if state.shutdown != 0:
|
||||
raise StopIteration("Interrupted")
|
||||
logger.debug("C PoW done")
|
||||
return [trialValue, nonce]
|
||||
|
||||
|
||||
def _doGPUPoW(target, initialHash):
|
||||
logger.debug("GPU PoW start")
|
||||
nonce = openclpow.do_opencl_pow(initialHash.encode("hex"), target)
|
||||
trialValue, = unpack('>Q',hashlib.sha512(hashlib.sha512(pack('>Q',nonce) + initialHash).digest()).digest()[0:8])
|
||||
#print "{} - value {} < {}".format(nonce, trialValue, target)
|
||||
trialValue, = unpack('>Q', hashlib.sha512(hashlib.sha512(pack('>Q', nonce) + initialHash).digest()).digest()[0:8])
|
||||
if trialValue > target:
|
||||
deviceNames = ", ".join(gpu.name for gpu in openclpow.enabledGpus)
|
||||
queues.UISignalQueue.put(('updateStatusBar', (tr._translate("MainWindow",'Your GPU(s) did not calculate correctly, disabling OpenCL. Please report to the developers.'), 1)))
|
||||
logger.error("Your GPUs (%s) did not calculate correctly, disabling OpenCL. Please report to the developers.", deviceNames)
|
||||
queues.UISignalQueue.put((
|
||||
'updateStatusBar', (
|
||||
tr._translate(
|
||||
"MainWindow",
|
||||
'Your GPU(s) did not calculate correctly, disabling OpenCL. Please report to the developers.'
|
||||
),
|
||||
1)))
|
||||
logger.error(
|
||||
"Your GPUs (%s) did not calculate correctly, disabling OpenCL. Please report to the developers.",
|
||||
deviceNames)
|
||||
openclpow.enabledGpus = []
|
||||
raise Exception("GPU did not calculate correctly.")
|
||||
if state.shutdown != 0:
|
||||
|
|
@ -126,11 +146,17 @@ def _doGPUPoW(target, initialHash):
|
|||
logger.debug("GPU PoW done")
|
||||
return [trialValue, nonce]
|
||||
|
||||
def estimate(difficulty, format = False):
|
||||
|
||||
def estimate(difficulty, format=False): # pylint: disable=redefined-builtin
|
||||
"""
|
||||
.. todo: fix unused variable
|
||||
"""
|
||||
ret = difficulty / 10
|
||||
if ret < 1:
|
||||
ret = 1
|
||||
|
||||
if format:
|
||||
# pylint: disable=unused-variable
|
||||
out = str(int(ret)) + " seconds"
|
||||
if ret > 60:
|
||||
ret /= 60
|
||||
|
|
@ -148,25 +174,46 @@ def estimate(difficulty, format = False):
|
|||
if ret > 366:
|
||||
ret /= 366
|
||||
out = str(int(ret)) + " years"
|
||||
else:
|
||||
ret = None # Ensure legacy behaviour
|
||||
|
||||
return ret
|
||||
|
||||
|
||||
def getPowType():
|
||||
"""Get the proof of work implementation"""
|
||||
|
||||
if openclpow.openclEnabled():
|
||||
return "OpenCL"
|
||||
if bmpow:
|
||||
return "C"
|
||||
return "python"
|
||||
|
||||
|
||||
def notifyBuild(tried=False):
|
||||
"""Notify the user of the success or otherwise of building the PoW C module"""
|
||||
|
||||
if bmpow:
|
||||
queues.UISignalQueue.put(('updateStatusBar', (tr._translate("proofofwork", "C PoW module built successfully."), 1)))
|
||||
queues.UISignalQueue.put(('updateStatusBar', (tr._translate(
|
||||
"proofofwork", "C PoW module built successfully."), 1)))
|
||||
elif tried:
|
||||
queues.UISignalQueue.put(('updateStatusBar', (tr._translate("proofofwork", "Failed to build C PoW module. Please build it manually."), 1)))
|
||||
queues.UISignalQueue.put(
|
||||
(
|
||||
'updateStatusBar', (
|
||||
tr._translate(
|
||||
"proofofwork",
|
||||
"Failed to build C PoW module. Please build it manually."
|
||||
),
|
||||
1
|
||||
)
|
||||
)
|
||||
)
|
||||
else:
|
||||
queues.UISignalQueue.put(('updateStatusBar', (tr._translate("proofofwork", "C PoW module unavailable. Please build it."), 1)))
|
||||
queues.UISignalQueue.put(('updateStatusBar', (tr._translate(
|
||||
"proofofwork", "C PoW module unavailable. Please build it."), 1)))
|
||||
|
||||
|
||||
def buildCPoW():
|
||||
"""Attempt to build the PoW C module"""
|
||||
if bmpow is not None:
|
||||
return
|
||||
if paths.frozen is not None:
|
||||
|
|
@ -190,16 +237,14 @@ def buildCPoW():
|
|||
except:
|
||||
notifyBuild(True)
|
||||
|
||||
|
||||
def run(target, initialHash):
|
||||
"""Run the proof of work thread"""
|
||||
|
||||
if state.shutdown != 0:
|
||||
raise
|
||||
raise # pylint: disable=misplaced-bare-raise
|
||||
target = int(target)
|
||||
if openclpow.openclEnabled():
|
||||
# trialvalue1, nonce1 = _doGPUPoW(target, initialHash)
|
||||
# trialvalue, nonce = _doFastPoW(target, initialHash)
|
||||
# print "GPU: %s, %s" % (trialvalue1, nonce1)
|
||||
# print "Fast: %s, %s" % (trialvalue, nonce)
|
||||
# return [trialvalue, nonce]
|
||||
try:
|
||||
return _doGPUPoW(target, initialHash)
|
||||
except StopIteration:
|
||||
|
|
@ -225,24 +270,30 @@ def run(target, initialHash):
|
|||
raise
|
||||
except:
|
||||
logger.error("Fast PoW got exception:", exc_info=True)
|
||||
pass #fallback
|
||||
try:
|
||||
return _doSafePoW(target, initialHash)
|
||||
except StopIteration:
|
||||
raise
|
||||
except:
|
||||
pass #fallback
|
||||
pass # fallback
|
||||
|
||||
|
||||
def resetPoW():
|
||||
"""Initialise the OpenCL PoW"""
|
||||
openclpow.initCL()
|
||||
|
||||
|
||||
# init
|
||||
|
||||
|
||||
def init():
|
||||
global bitmsglib, bso, bmpow
|
||||
"""Initialise PoW"""
|
||||
# pylint: disable=global-statement
|
||||
global bitmsglib, bmpow
|
||||
|
||||
openclpow.initCL()
|
||||
|
||||
if "win32" == sys.platform:
|
||||
if sys.platform == "win32":
|
||||
if ctypes.sizeof(ctypes.c_voidp) == 4:
|
||||
bitmsglib = 'bitmsghash32.dll'
|
||||
else:
|
||||
|
|
|
|||
126
src/upnp.py
126
src/upnp.py
|
|
@ -1,21 +1,33 @@
|
|||
# A simple upnp module to forward port for BitMessage
|
||||
# Reference: http://mattscodecave.com/posts/using-python-and-upnp-to-forward-a-port
|
||||
# pylint: disable=too-many-statements,too-many-branches,protected-access,no-self-use
|
||||
"""
|
||||
src/upnp.py
|
||||
===========
|
||||
|
||||
A simple upnp module to forward port for BitMessage
|
||||
Reference: http://mattscodecave.com/posts/using-python-and-upnp-to-forward-a-port
|
||||
"""
|
||||
|
||||
import httplib
|
||||
from random import randint
|
||||
import socket
|
||||
from struct import unpack, pack
|
||||
import threading
|
||||
import time
|
||||
from bmconfigparser import BMConfigParser
|
||||
from network.connectionpool import BMConnectionPool
|
||||
from helper_threading import *
|
||||
import urllib2
|
||||
from random import randint
|
||||
from urlparse import urlparse
|
||||
from xml.dom.minidom import Document, parseString
|
||||
|
||||
import queues
|
||||
import shared
|
||||
import state
|
||||
import tr
|
||||
from bmconfigparser import BMConfigParser
|
||||
from debug import logger
|
||||
from helper_threading import StoppableThread
|
||||
from network.connectionpool import BMConnectionPool
|
||||
|
||||
|
||||
def createRequestXML(service, action, arguments=None):
|
||||
from xml.dom.minidom import Document
|
||||
"""Router UPnP requests are XML formatted"""
|
||||
|
||||
doc = Document()
|
||||
|
||||
|
|
@ -63,11 +75,17 @@ def createRequestXML(service, action, arguments=None):
|
|||
# our tree is ready, conver it to a string
|
||||
return doc.toxml()
|
||||
|
||||
class UPnPError(Exception):
|
||||
def __init__(self, message):
|
||||
self.message
|
||||
|
||||
class Router:
|
||||
class UPnPError(Exception):
|
||||
"""Handle a UPnP error"""
|
||||
|
||||
def __init__(self, message):
|
||||
super(UPnPError, self).__init__()
|
||||
logger.error(message)
|
||||
|
||||
|
||||
class Router: # pylint: disable=old-style-class
|
||||
"""Encapulate routing"""
|
||||
name = ""
|
||||
path = ""
|
||||
address = None
|
||||
|
|
@ -75,10 +93,6 @@ class Router:
|
|||
extPort = None
|
||||
|
||||
def __init__(self, ssdpResponse, address):
|
||||
import urllib2
|
||||
from xml.dom.minidom import parseString
|
||||
from urlparse import urlparse
|
||||
from debug import logger
|
||||
|
||||
self.address = address
|
||||
|
||||
|
|
@ -92,9 +106,9 @@ class Router:
|
|||
try:
|
||||
self.routerPath = urlparse(header['location'])
|
||||
if not self.routerPath or not hasattr(self.routerPath, "hostname"):
|
||||
logger.error ("UPnP: no hostname: %s", header['location'])
|
||||
logger.error("UPnP: no hostname: %s", header['location'])
|
||||
except KeyError:
|
||||
logger.error ("UPnP: missing location header")
|
||||
logger.error("UPnP: missing location header")
|
||||
|
||||
# get the profile xml file and read it into a variable
|
||||
directory = urllib2.urlopen(header['location']).read()
|
||||
|
|
@ -112,8 +126,18 @@ class Router:
|
|||
self.path = service.parentNode.getElementsByTagName('controlURL')[0].childNodes[0].data
|
||||
self.upnp_schema = service.childNodes[0].data.split(':')[-2]
|
||||
|
||||
def AddPortMapping(self, externalPort, internalPort, internalClient, protocol, description, leaseDuration = 0, enabled = 1):
|
||||
from debug import logger
|
||||
def AddPortMapping(
|
||||
self,
|
||||
externalPort,
|
||||
internalPort,
|
||||
internalClient,
|
||||
protocol,
|
||||
description,
|
||||
leaseDuration=0,
|
||||
enabled=1,
|
||||
): # pylint: disable=too-many-arguments
|
||||
"""Add UPnP port mapping"""
|
||||
|
||||
resp = self.soapRequest(self.upnp_schema + ':1', 'AddPortMapping', [
|
||||
('NewRemoteHost', ''),
|
||||
('NewExternalPort', str(externalPort)),
|
||||
|
|
@ -125,11 +149,13 @@ class Router:
|
|||
('NewLeaseDuration', str(leaseDuration))
|
||||
])
|
||||
self.extPort = externalPort
|
||||
logger.info("Successfully established UPnP mapping for %s:%i on external port %i", internalClient, internalPort, externalPort)
|
||||
logger.info("Successfully established UPnP mapping for %s:%i on external port %i",
|
||||
internalClient, internalPort, externalPort)
|
||||
return resp
|
||||
|
||||
def DeletePortMapping(self, externalPort, protocol):
|
||||
from debug import logger
|
||||
"""Delete UPnP port mapping"""
|
||||
|
||||
resp = self.soapRequest(self.upnp_schema + ':1', 'DeletePortMapping', [
|
||||
('NewRemoteHost', ''),
|
||||
('NewExternalPort', str(externalPort)),
|
||||
|
|
@ -139,14 +165,15 @@ class Router:
|
|||
return resp
|
||||
|
||||
def GetExternalIPAddress(self):
|
||||
from xml.dom.minidom import parseString
|
||||
"""Get the external address"""
|
||||
|
||||
resp = self.soapRequest(self.upnp_schema + ':1', 'GetExternalIPAddress')
|
||||
dom = parseString(resp)
|
||||
return dom.getElementsByTagName('NewExternalIPAddress')[0].childNodes[0].data
|
||||
|
||||
def soapRequest(self, service, action, arguments=None):
|
||||
from xml.dom.minidom import parseString
|
||||
from debug import logger
|
||||
"""Make a request to a router"""
|
||||
|
||||
conn = httplib.HTTPConnection(self.routerPath.hostname, self.routerPath.port)
|
||||
conn.request(
|
||||
'POST',
|
||||
|
|
@ -164,21 +191,24 @@ class Router:
|
|||
try:
|
||||
dom = parseString(respData)
|
||||
errinfo = dom.getElementsByTagName('errorDescription')
|
||||
if len(errinfo) > 0:
|
||||
if errinfo:
|
||||
logger.error("UPnP error: %s", respData)
|
||||
raise UPnPError(errinfo[0].childNodes[0].data)
|
||||
except:
|
||||
raise UPnPError("Unable to parse SOAP error: %s" %(respData))
|
||||
raise UPnPError("Unable to parse SOAP error: %s" % (respData))
|
||||
return resp
|
||||
|
||||
|
||||
class uPnPThread(threading.Thread, StoppableThread):
|
||||
"""Start a thread to handle UPnP activity"""
|
||||
|
||||
SSDP_ADDR = "239.255.255.250"
|
||||
GOOGLE_DNS = "8.8.8.8"
|
||||
SSDP_PORT = 1900
|
||||
SSDP_MX = 2
|
||||
SSDP_ST = "urn:schemas-upnp-org:device:InternetGatewayDevice:1"
|
||||
|
||||
def __init__ (self):
|
||||
def __init__(self):
|
||||
threading.Thread.__init__(self, name="uPnPThread")
|
||||
try:
|
||||
self.extPort = BMConfigParser().getint('bitmessagesettings', 'extport')
|
||||
|
|
@ -194,7 +224,7 @@ class uPnPThread(threading.Thread, StoppableThread):
|
|||
self.initStop()
|
||||
|
||||
def run(self):
|
||||
from debug import logger
|
||||
"""Start the thread to manage UPnP activity"""
|
||||
|
||||
logger.debug("Starting UPnP thread")
|
||||
logger.debug("Local IP: %s", self.localIP)
|
||||
|
|
@ -209,9 +239,11 @@ class uPnPThread(threading.Thread, StoppableThread):
|
|||
if not bound:
|
||||
time.sleep(1)
|
||||
|
||||
# pylint: disable=attribute-defined-outside-init
|
||||
self.localPort = BMConfigParser().getint('bitmessagesettings', 'port')
|
||||
|
||||
while state.shutdown == 0 and BMConfigParser().safeGetBoolean('bitmessagesettings', 'upnp'):
|
||||
if time.time() - lastSent > self.sendSleep and len(self.routers) == 0:
|
||||
if time.time() - lastSent > self.sendSleep and not self.routers:
|
||||
try:
|
||||
self.sendSearchRouter()
|
||||
except:
|
||||
|
|
@ -219,7 +251,7 @@ class uPnPThread(threading.Thread, StoppableThread):
|
|||
lastSent = time.time()
|
||||
try:
|
||||
while state.shutdown == 0 and BMConfigParser().safeGetBoolean('bitmessagesettings', 'upnp'):
|
||||
resp,(ip,port) = self.sock.recvfrom(1000)
|
||||
resp, (ip, _) = self.sock.recvfrom(1000)
|
||||
if resp is None:
|
||||
continue
|
||||
newRouter = Router(resp, ip)
|
||||
|
|
@ -230,14 +262,11 @@ class uPnPThread(threading.Thread, StoppableThread):
|
|||
logger.debug("Found UPnP router at %s", ip)
|
||||
self.routers.append(newRouter)
|
||||
self.createPortMapping(newRouter)
|
||||
queues.UISignalQueue.put(('updateStatusBar', tr._translate("MainWindow",'UPnP port mapping established on port %1').arg(str(self.extPort))))
|
||||
# retry connections so that the submitted port is refreshed
|
||||
with shared.alreadyAttemptedConnectionsListLock:
|
||||
shared.alreadyAttemptedConnectionsList.clear()
|
||||
shared.alreadyAttemptedConnectionsListResetTime = int(
|
||||
time.time())
|
||||
queues.UISignalQueue.put(('updateStatusBar', tr._translate(
|
||||
"MainWindow", 'UPnP port mapping established on port %1'
|
||||
).arg(str(self.extPort))))
|
||||
break
|
||||
except socket.timeout as e:
|
||||
except socket.timeout:
|
||||
pass
|
||||
except:
|
||||
logger.error("Failure running UPnP router search.", exc_info=True)
|
||||
|
|
@ -259,17 +288,20 @@ class uPnPThread(threading.Thread, StoppableThread):
|
|||
self.deletePortMapping(router)
|
||||
shared.extPort = None
|
||||
if deleted:
|
||||
queues.UISignalQueue.put(('updateStatusBar', tr._translate("MainWindow",'UPnP port mapping removed')))
|
||||
queues.UISignalQueue.put(('updateStatusBar', tr._translate("MainWindow", 'UPnP port mapping removed')))
|
||||
logger.debug("UPnP thread done")
|
||||
|
||||
def getLocalIP(self):
|
||||
"""Get the local IP of the node"""
|
||||
|
||||
s = socket.socket(socket.AF_INET, socket.SOCK_DGRAM)
|
||||
s.setsockopt(socket.SOL_SOCKET, socket.SO_BROADCAST, 1)
|
||||
s.connect((uPnPThread.GOOGLE_DNS, 1))
|
||||
return s.getsockname()[0]
|
||||
|
||||
def sendSearchRouter(self):
|
||||
from debug import logger
|
||||
"""Querying for UPnP services"""
|
||||
|
||||
ssdpRequest = "M-SEARCH * HTTP/1.1\r\n" + \
|
||||
"HOST: %s:%d\r\n" % (uPnPThread.SSDP_ADDR, uPnPThread.SSDP_PORT) + \
|
||||
"MAN: \"ssdp:discover\"\r\n" + \
|
||||
|
|
@ -283,11 +315,10 @@ class uPnPThread(threading.Thread, StoppableThread):
|
|||
logger.exception("UPnP send query failed")
|
||||
|
||||
def createPortMapping(self, router):
|
||||
from debug import logger
|
||||
"""Add a port mapping"""
|
||||
|
||||
for i in range(50):
|
||||
try:
|
||||
routerIP, = unpack('>I', socket.inet_aton(router.address))
|
||||
localIP = self.localIP
|
||||
if i == 0:
|
||||
extPort = self.localPort # try same port first
|
||||
|
|
@ -295,7 +326,12 @@ class uPnPThread(threading.Thread, StoppableThread):
|
|||
extPort = self.extPort # try external port from last time next
|
||||
else:
|
||||
extPort = randint(32767, 65535)
|
||||
logger.debug("Attempt %i, requesting UPnP mapping for %s:%i on external port %i", i, localIP, self.localPort, extPort)
|
||||
logger.debug(
|
||||
"Attempt %i, requesting UPnP mapping for %s:%i on external port %i",
|
||||
i,
|
||||
localIP,
|
||||
self.localPort,
|
||||
extPort)
|
||||
router.AddPortMapping(extPort, self.localPort, localIP, 'TCP', 'BitMessage')
|
||||
shared.extPort = extPort
|
||||
self.extPort = extPort
|
||||
|
|
@ -306,7 +342,5 @@ class uPnPThread(threading.Thread, StoppableThread):
|
|||
logger.debug("UPnP error: ", exc_info=True)
|
||||
|
||||
def deletePortMapping(self, router):
|
||||
"""Delete a port mapping"""
|
||||
router.DeletePortMapping(router.extPort, 'TCP')
|
||||
|
||||
|
||||
|
||||
|
|
|
|||
Reference in New Issue
Block a user