def run(self):
with shared.printLock:
print 'sendDataThread starting. ID:', str(
id(self)) + '. Number of queues in sendDataQueues:', len(
shared.sendDataQueues)
while True:
deststream, command, data = self.sendDataThreadQueue.get()
if deststream == self.streamNumber or deststream == 0:
if command == 'shutdown':
with shared.printLock:
print 'sendDataThread (associated with', self.peer, ') ID:', id(
self), 'shutting down now.'
break
# When you receive an incoming connection, a sendDataThread is
# created even though you don't yet know what stream number the
# remote peer is interested in. They will tell you in a version
# message and if you too are interested in that stream then you
# will continue on with the connection and will set the
# streamNumber of this send data thread here:
elif command == 'setStreamNumber':
self.streamNumber = data
with shared.printLock:
print 'setting the stream number in the sendData thread (ID:', id(
self), ') to', self.streamNumber
elif command == 'setRemoteProtocolVersion':
specifiedRemoteProtocolVersion = data
with shared.printLock:
print 'setting the remote node\'s protocol version in the sendDataThread (ID:', id(
self), ') to', specifiedRemoteProtocolVersion
self.remoteProtocolVersion = specifiedRemoteProtocolVersion
elif command == 'advertisepeer':
self.objectHashHolderInstance.holdPeer(data)
elif command == 'sendaddr':
if self.connectionIsOrWasFullyEstablished: # only send addr messages if we have sent and heard a verack from the remote node
numberOfAddressesInAddrMessage = len(data)
payload = ''
for hostDetails in data:
timeLastReceivedMessageFromThisNode, streamNumber, services, host, port = hostDetails
payload += pack('>Q',
timeLastReceivedMessageFromThisNode
) # now uses 64-bit time
payload += pack('>I', streamNumber)
payload += pack(
'>q', services
) # service bit flags offered by this node
payload += shared.encodeHost(host)
payload += pack('>H', port)
payload = encodeVarint(
numberOfAddressesInAddrMessage) + payload
packet = shared.CreatePacket('addr', payload)
try:
self.sendBytes(packet)
except:
with shared.printLock:
print 'sendaddr: self.sock.sendall failed'
break
elif command == 'advertiseobject':
self.objectHashHolderInstance.holdHash(data)
elif command == 'sendinv':
if self.connectionIsOrWasFullyEstablished: # only send inv messages if we have send and heard a verack from the remote node
payload = ''
for hash in data:
if hash not in self.someObjectsOfWhichThisRemoteNodeIsAlreadyAware:
payload += hash
if payload != '':
payload = encodeVarint(len(payload) / 32) + payload
packet = shared.CreatePacket('inv', payload)
try:
self.sendBytes(packet)
except:
with shared.printLock:
print 'sendinv: self.sock.sendall failed'
break
elif command == 'pong':
self.someObjectsOfWhichThisRemoteNodeIsAlreadyAware.clear(
) # To save memory, let us clear this data structure from time to time. As its function is to help us keep from sending inv messages to peers which sent us the same inv message mere seconds earlier, it will be fine to clear this data structure from time to time.
if self.lastTimeISentData < (int(time.time()) - 298):
# Send out a pong message to keep the connection alive.
with shared.printLock:
print 'Sending pong to', self.peer, 'to keep connection alive.'
packet = shared.CreatePacket('pong')
try:
self.sendBytes(packet)
except:
with shared.printLock:
print 'send pong failed'
break
elif command == 'sendRawData':
try:
self.sendBytes(data)
except:
with shared.printLock:
print 'Sending of data to', self.peer, 'failed. sendDataThread thread', self, 'ending now.'
break
elif command == 'connectionIsOrWasFullyEstablished':
self.connectionIsOrWasFullyEstablished = True
self.services, self.sslSock = data
else:
with shared.printLock:
print 'sendDataThread ID:', id(
self
), 'ignoring command', command, 'because the thread is not in stream', deststream
try:
self.sock.shutdown(socket.SHUT_RDWR)
self.sock.close()
except:
pass
shared.sendDataQueues.remove(self.sendDataThreadQueue)
with shared.printLock:
print 'sendDataThread ending. ID:', str(
id(self)) + '. Number of queues in sendDataQueues:', len(
shared.sendDataQueues)
self.objectHashHolderInstance.close()
def sendaddr(self):
addrsInMyStream = {}
addrsInChildStreamLeft = {}
addrsInChildStreamRight = {}
# print 'knownNodes', shared.knownNodes
# We are going to share a maximum number of 1000 addrs with our peer.
# 500 from this stream, 250 from the left child stream, and 250 from
# the right child stream.
shared.knownNodesLock.acquire()
if len(shared.knownNodes[self.streamNumber]) > 0:
for i in range(500):
peer, = random.sample(shared.knownNodes[self.streamNumber], 1)
if isHostInPrivateIPRange(peer.host):
continue
addrsInMyStream[peer] = shared.knownNodes[
self.streamNumber][peer]
if len(shared.knownNodes[self.streamNumber * 2]) > 0:
for i in range(250):
peer, = random.sample(shared.knownNodes[
self.streamNumber * 2], 1)
if isHostInPrivateIPRange(peer.host):
continue
addrsInChildStreamLeft[peer] = shared.knownNodes[
self.streamNumber * 2][peer]
if len(shared.knownNodes[(self.streamNumber * 2) + 1]) > 0:
for i in range(250):
peer, = random.sample(shared.knownNodes[
(self.streamNumber * 2) + 1], 1)
if isHostInPrivateIPRange(peer.host):
continue
addrsInChildStreamRight[peer] = shared.knownNodes[
(self.streamNumber * 2) + 1][peer]
shared.knownNodesLock.release()
numberOfAddressesInAddrMessage = 0
payload = ''
# print 'addrsInMyStream.items()', addrsInMyStream.items()
for (HOST, PORT), value in addrsInMyStream.items():
timeLastReceivedMessageFromThisNode = value
if timeLastReceivedMessageFromThisNode > (int(time.time()) - shared.maximumAgeOfNodesThatIAdvertiseToOthers): # If it is younger than 3 hours old..
numberOfAddressesInAddrMessage += 1
payload += pack(
'>Q', timeLastReceivedMessageFromThisNode) # 64-bit time
payload += pack('>I', self.streamNumber)
payload += pack(
'>q', 1) # service bit flags offered by this node
payload += shared.encodeHost(HOST)
payload += pack('>H', PORT) # remote port
for (HOST, PORT), value in addrsInChildStreamLeft.items():
timeLastReceivedMessageFromThisNode = value
if timeLastReceivedMessageFromThisNode > (int(time.time()) - shared.maximumAgeOfNodesThatIAdvertiseToOthers): # If it is younger than 3 hours old..
numberOfAddressesInAddrMessage += 1
payload += pack(
'>Q', timeLastReceivedMessageFromThisNode) # 64-bit time
payload += pack('>I', self.streamNumber * 2)
payload += pack(
'>q', 1) # service bit flags offered by this node
payload += shared.encodeHost(HOST)
payload += pack('>H', PORT) # remote port
for (HOST, PORT), value in addrsInChildStreamRight.items():
timeLastReceivedMessageFromThisNode = value
if timeLastReceivedMessageFromThisNode > (int(time.time()) - shared.maximumAgeOfNodesThatIAdvertiseToOthers): # If it is younger than 3 hours old..
numberOfAddressesInAddrMessage += 1
payload += pack(
'>Q', timeLastReceivedMessageFromThisNode) # 64-bit time
payload += pack('>I', (self.streamNumber * 2) + 1)
payload += pack(
'>q', 1) # service bit flags offered by this node
payload += shared.encodeHost(HOST)
payload += pack('>H', PORT) # remote port
payload = encodeVarint(numberOfAddressesInAddrMessage) + payload
self.sendDataThreadQueue.put((0, 'sendRawData', shared.CreatePacket('addr', payload)))
def sendaddr(self):
addrsInMyStream = {}
addrsInChildStreamLeft = {}
addrsInChildStreamRight = {}
# print 'knownNodes', shared.knownNodes
# We are going to share a maximum number of 1000 addrs with our peer.
# 500 from this stream, 250 from the left child stream, and 250 from
# the right child stream.
shared.knownNodesLock.acquire()
if len(shared.knownNodes[self.streamNumber]) > 0:
for i in range(500):
peer, = random.sample(shared.knownNodes[self.streamNumber], 1)
if isHostInPrivateIPRange(peer.host):
continue
addrsInMyStream[peer] = shared.knownNodes[self.streamNumber][peer]
if len(shared.knownNodes[self.streamNumber * 2]) > 0:
for i in range(250):
peer, = random.sample(shared.knownNodes[self.streamNumber * 2], 1)
if isHostInPrivateIPRange(peer.host):
continue
addrsInChildStreamLeft[peer] = shared.knownNodes[self.streamNumber * 2][peer]
if len(shared.knownNodes[(self.streamNumber * 2) + 1]) > 0:
for i in range(250):
peer, = random.sample(shared.knownNodes[(self.streamNumber * 2) + 1], 1)
if isHostInPrivateIPRange(peer.host):
continue
addrsInChildStreamRight[peer] = shared.knownNodes[(self.streamNumber * 2) + 1][peer]
shared.knownNodesLock.release()
numberOfAddressesInAddrMessage = 0
payload = ""
# print 'addrsInMyStream.items()', addrsInMyStream.items()
for (HOST, PORT), value in addrsInMyStream.items():
timeLastReceivedMessageFromThisNode = value
if timeLastReceivedMessageFromThisNode > (
int(time.time()) - shared.maximumAgeOfNodesThatIAdvertiseToOthers
): # If it is younger than 3 hours old..
numberOfAddressesInAddrMessage += 1
payload += pack(">Q", timeLastReceivedMessageFromThisNode) # 64-bit time
payload += pack(">I", self.streamNumber)
payload += pack(">q", 1) # service bit flags offered by this node
payload += shared.encodeHost(HOST)
payload += pack(">H", PORT) # remote port
for (HOST, PORT), value in addrsInChildStreamLeft.items():
timeLastReceivedMessageFromThisNode = value
if timeLastReceivedMessageFromThisNode > (
int(time.time()) - shared.maximumAgeOfNodesThatIAdvertiseToOthers
): # If it is younger than 3 hours old..
numberOfAddressesInAddrMessage += 1
payload += pack(">Q", timeLastReceivedMessageFromThisNode) # 64-bit time
payload += pack(">I", self.streamNumber * 2)
payload += pack(">q", 1) # service bit flags offered by this node
payload += shared.encodeHost(HOST)
payload += pack(">H", PORT) # remote port
for (HOST, PORT), value in addrsInChildStreamRight.items():
timeLastReceivedMessageFromThisNode = value
if timeLastReceivedMessageFromThisNode > (
int(time.time()) - shared.maximumAgeOfNodesThatIAdvertiseToOthers
): # If it is younger than 3 hours old..
numberOfAddressesInAddrMessage += 1
payload += pack(">Q", timeLastReceivedMessageFromThisNode) # 64-bit time
payload += pack(">I", (self.streamNumber * 2) + 1)
payload += pack(">q", 1) # service bit flags offered by this node
payload += shared.encodeHost(HOST)
payload += pack(">H", PORT) # remote port
payload = encodeVarint(numberOfAddressesInAddrMessage) + payload
self.sendDataThreadQueue.put((0, "sendRawData", shared.CreatePacket("addr", payload)))
def run(self):
while True:
deststream, command, data = self.sendDataThreadQueue.get()
if deststream == self.streamNumber or deststream == 0:
if command == 'shutdown':
if data == self.peer or data == 'all':
with shared.printLock:
print 'sendDataThread (associated with', self.peer, ') ID:', id(self), 'shutting down now.'
break
# When you receive an incoming connection, a sendDataThread is
# created even though you don't yet know what stream number the
# remote peer is interested in. They will tell you in a version
# message and if you too are interested in that stream then you
# will continue on with the connection and will set the
# streamNumber of this send data thread here:
elif command == 'setStreamNumber':
self.streamNumber = data
with shared.printLock:
print 'setting the stream number in the sendData thread (ID:', id(self), ') to', self.streamNumber
elif command == 'setRemoteProtocolVersion':
specifiedRemoteProtocolVersion = data
with shared.printLock:
print 'setting the remote node\'s protocol version in the sendDataThread (ID:', id(self), ') to', specifiedRemoteProtocolVersion
self.remoteProtocolVersion = specifiedRemoteProtocolVersion
elif command == 'advertisepeer':
self.objectHashHolderInstance.holdPeer(data)
elif command == 'sendaddr':
if not self.connectionIsOrWasFullyEstablished:
# not sending addr because we haven't sent and heard a verack from the remote node yet
return
numberOfAddressesInAddrMessage = len(
data)
payload = ''
for hostDetails in data:
timeLastReceivedMessageFromThisNode, streamNumber, services, host, port = hostDetails
payload += pack(
'>Q', timeLastReceivedMessageFromThisNode) # now uses 64-bit time
payload += pack('>I', streamNumber)
payload += pack(
'>q', services) # service bit flags offered by this node
payload += shared.encodeHost(host)
payload += pack('>H', port)
payload = encodeVarint(numberOfAddressesInAddrMessage) + payload
datatosend = '\xE9\xBE\xB4\xD9addr\x00\x00\x00\x00\x00\x00\x00\x00'
datatosend = datatosend + pack('>L', len(payload)) # payload length
datatosend = datatosend + hashlib.sha512(payload).digest()[0:4]
datatosend = datatosend + payload
try:
self.sock.sendall(datatosend)
self.lastTimeISentData = int(time.time())
except:
print 'sendaddr: self.sock.sendall failed'
break
elif command == 'advertiseobject':
self.objectHashHolderInstance.holdHash(data)
elif command == 'sendinv':
if not self.connectionIsOrWasFullyEstablished:
# not sending inv because we haven't sent and heard a verack from the remote node yet
return
payload = ''
for hash in data:
if hash not in self.someObjectsOfWhichThisRemoteNodeIsAlreadyAware:
payload += hash
if payload != '':
payload = encodeVarint(len(payload)/32) + payload
headerData = '\xe9\xbe\xb4\xd9' # magic bits, slighly different from Bitcoin's magic bits.
headerData += 'inv\x00\x00\x00\x00\x00\x00\x00\x00\x00'
headerData += pack('>L', len(payload))
headerData += hashlib.sha512(payload).digest()[:4]
try:
self.sock.sendall(headerData + payload)
self.lastTimeISentData = int(time.time())
except:
print 'sendinv: self.sock.sendall failed'
break
elif command == 'pong':
self.someObjectsOfWhichThisRemoteNodeIsAlreadyAware.clear() # To save memory, let us clear this data structure from time to time. As its function is to help us keep from sending inv messages to peers which sent us the same inv message mere seconds earlier, it will be fine to clear this data structure from time to time.
if self.lastTimeISentData < (int(time.time()) - 298):
# Send out a pong message to keep the connection alive.
with shared.printLock:
print 'Sending pong to', self.peer, 'to keep connection alive.'
try:
self.sock.sendall(
'\xE9\xBE\xB4\xD9\x70\x6F\x6E\x67\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\xcf\x83\xe1\x35')
self.lastTimeISentData = int(time.time())
except:
print 'send pong failed'
break
elif command == 'sendRawData':
try:
self.sock.sendall(data)
self.lastTimeISentData = int(time.time())
except:
print 'Sending of data to', self.peer, 'failed. sendDataThread thread', self, 'ending now.'
break
elif command == 'connectionIsOrWasFullyEstablished':
self.connectionIsOrWasFullyEstablished = True
else:
with shared.printLock:
print 'sendDataThread ID:', id(self), 'ignoring command', command, 'because the thread is not in stream', deststream
try:
self.sock.shutdown(socket.SHUT_RDWR)
self.sock.close()
except:
pass
shared.sendDataQueues.remove(self.sendDataThreadQueue)
with shared.printLock:
print 'Number of queues remaining in sendDataQueues:', len(shared.sendDataQueues)
self.objectHashHolderInstance.close()
def run(self):
with shared.printLock:
print 'sendDataThread starting. ID:', str(id(self))+'. Number of queues in sendDataQueues:', len(shared.sendDataQueues)
while True:
deststream, command, data = self.sendDataThreadQueue.get()
if deststream == self.streamNumber or deststream == 0:
if command == 'shutdown':
with shared.printLock:
print 'sendDataThread (associated with', self.peer, ') ID:', id(self), 'shutting down now.'
break
# When you receive an incoming connection, a sendDataThread is
# created even though you don't yet know what stream number the
# remote peer is interested in. They will tell you in a version
# message and if you too are interested in that stream then you
# will continue on with the connection and will set the
# streamNumber of this send data thread here:
elif command == 'setStreamNumber':
self.streamNumber = data
with shared.printLock:
print 'setting the stream number in the sendData thread (ID:', id(self), ') to', self.streamNumber
elif command == 'setRemoteProtocolVersion':
specifiedRemoteProtocolVersion = data
with shared.printLock:
print 'setting the remote node\'s protocol version in the sendDataThread (ID:', id(self), ') to', specifiedRemoteProtocolVersion
self.remoteProtocolVersion = specifiedRemoteProtocolVersion
elif command == 'advertisepeer':
self.objectHashHolderInstance.holdPeer(data)
elif command == 'sendaddr':
if self.connectionIsOrWasFullyEstablished: # only send addr messages if we have sent and heard a verack from the remote node
numberOfAddressesInAddrMessage = len(data)
payload = ''
for hostDetails in data:
timeLastReceivedMessageFromThisNode, streamNumber, services, host, port = hostDetails
payload += pack(
'>Q', timeLastReceivedMessageFromThisNode) # now uses 64-bit time
payload += pack('>I', streamNumber)
payload += pack(
'>q', services) # service bit flags offered by this node
payload += shared.encodeHost(host)
payload += pack('>H', port)
payload = encodeVarint(numberOfAddressesInAddrMessage) + payload
packet = shared.CreatePacket('addr', payload)
try:
self.sendBytes(packet)
except:
with shared.printLock:
print 'sendaddr: self.sock.sendall failed'
break
elif command == 'advertiseobject':
self.objectHashHolderInstance.holdHash(data)
elif command == 'sendinv':
if self.connectionIsOrWasFullyEstablished: # only send inv messages if we have send and heard a verack from the remote node
payload = ''
for hash in data:
if hash not in self.someObjectsOfWhichThisRemoteNodeIsAlreadyAware:
payload += hash
if payload != '':
payload = encodeVarint(len(payload)/32) + payload
packet = shared.CreatePacket('inv', payload)
try:
self.sendBytes(packet)
except:
with shared.printLock:
print 'sendinv: self.sock.sendall failed'
break
elif command == 'pong':
self.someObjectsOfWhichThisRemoteNodeIsAlreadyAware.clear() # To save memory, let us clear this data structure from time to time. As its function is to help us keep from sending inv messages to peers which sent us the same inv message mere seconds earlier, it will be fine to clear this data structure from time to time.
if self.lastTimeISentData < (int(time.time()) - 298):
# Send out a pong message to keep the connection alive.
with shared.printLock:
print 'Sending pong to', self.peer, 'to keep connection alive.'
packet = shared.CreatePacket('pong')
try:
self.sendBytes(packet)
except:
with shared.printLock:
print 'send pong failed'
break
elif command == 'sendRawData':
try:
self.sendBytes(data)
except:
with shared.printLock:
print 'Sending of data to', self.peer, 'failed. sendDataThread thread', self, 'ending now.'
break
elif command == 'connectionIsOrWasFullyEstablished':
self.connectionIsOrWasFullyEstablished = True
self.services, self.sslSock = data
else:
with shared.printLock:
print 'sendDataThread ID:', id(self), 'ignoring command', command, 'because the thread is not in stream', deststream
try:
self.sock.shutdown(socket.SHUT_RDWR)
self.sock.close()
except:
pass
shared.sendDataQueues.remove(self.sendDataThreadQueue)
with shared.printLock:
print 'sendDataThread ending. ID:', str(id(self))+'. Number of queues in sendDataQueues:', len(shared.sendDataQueues)
self.objectHashHolderInstance.close()
def run(self):
while True:
deststream, command, data = self.sendDataThreadQueue.get()
if deststream == self.streamNumber or deststream == 0:
if command == 'shutdown':
if data == self.peer or data == 'all':
with shared.printLock:
print 'sendDataThread (associated with', self.peer, ') ID:', id(
self), 'shutting down now.'
break
# When you receive an incoming connection, a sendDataThread is
# created even though you don't yet know what stream number the
# remote peer is interested in. They will tell you in a version
# message and if you too are interested in that stream then you
# will continue on with the connection and will set the
# streamNumber of this send data thread here:
elif command == 'setStreamNumber':
self.streamNumber = data
with shared.printLock:
print 'setting the stream number in the sendData thread (ID:', id(
self), ') to', self.streamNumber
elif command == 'setRemoteProtocolVersion':
specifiedRemoteProtocolVersion = data
with shared.printLock:
print 'setting the remote node\'s protocol version in the sendDataThread (ID:', id(
self), ') to', specifiedRemoteProtocolVersion
self.remoteProtocolVersion = specifiedRemoteProtocolVersion
elif command == 'advertisepeer':
self.objectHashHolderInstance.holdPeer(data)
elif command == 'sendaddr':
if not self.connectionIsOrWasFullyEstablished:
# not sending addr because we haven't sent and heard a verack from the remote node yet
return
numberOfAddressesInAddrMessage = len(data)
payload = ''
for hostDetails in data:
timeLastReceivedMessageFromThisNode, streamNumber, services, host, port = hostDetails
payload += pack('>Q',
timeLastReceivedMessageFromThisNode
) # now uses 64-bit time
payload += pack('>I', streamNumber)
payload += pack(
'>q',
services) # service bit flags offered by this node
payload += shared.encodeHost(host)
payload += pack('>H', port)
payload = encodeVarint(
numberOfAddressesInAddrMessage) + payload
datatosend = '\xE9\xBE\xB4\xD9addr\x00\x00\x00\x00\x00\x00\x00\x00'
datatosend = datatosend + pack(
'>L', len(payload)) # payload length
datatosend = datatosend + hashlib.sha512(
payload).digest()[0:4]
datatosend = datatosend + payload
try:
self.sock.sendall(datatosend)
self.lastTimeISentData = int(time.time())
except:
print 'sendaddr: self.sock.sendall failed'
break
elif command == 'advertiseobject':
self.objectHashHolderInstance.holdHash(data)
elif command == 'sendinv':
if not self.connectionIsOrWasFullyEstablished:
# not sending inv because we haven't sent and heard a verack from the remote node yet
return
payload = ''
for hash in data:
if hash not in self.someObjectsOfWhichThisRemoteNodeIsAlreadyAware:
payload += hash
if payload != '':
payload = encodeVarint(len(payload) / 32) + payload
headerData = '\xe9\xbe\xb4\xd9' # magic bits, slighly different from Bitcoin's magic bits.
headerData += 'inv\x00\x00\x00\x00\x00\x00\x00\x00\x00'
headerData += pack('>L', len(payload))
headerData += hashlib.sha512(payload).digest()[:4]
try:
self.sock.sendall(headerData + payload)
self.lastTimeISentData = int(time.time())
except:
print 'sendinv: self.sock.sendall failed'
break
elif command == 'pong':
self.someObjectsOfWhichThisRemoteNodeIsAlreadyAware.clear(
) # To save memory, let us clear this data structure from time to time. As its function is to help us keep from sending inv messages to peers which sent us the same inv message mere seconds earlier, it will be fine to clear this data structure from time to time.
if self.lastTimeISentData < (int(time.time()) - 298):
# Send out a pong message to keep the connection alive.
with shared.printLock:
print 'Sending pong to', self.peer, 'to keep connection alive.'
try:
self.sock.sendall(
'\xE9\xBE\xB4\xD9\x70\x6F\x6E\x67\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\xcf\x83\xe1\x35'
)
self.lastTimeISentData = int(time.time())
except:
print 'send pong failed'
break
elif command == 'sendRawData':
try:
self.sock.sendall(data)
self.lastTimeISentData = int(time.time())
except:
print 'Sending of data to', self.peer, 'failed. sendDataThread thread', self, 'ending now.'
break
elif command == 'connectionIsOrWasFullyEstablished':
self.connectionIsOrWasFullyEstablished = True
else:
with shared.printLock:
print 'sendDataThread ID:', id(
self
), 'ignoring command', command, 'because the thread is not in stream', deststream
try:
self.sock.shutdown(socket.SHUT_RDWR)
self.sock.close()
except:
pass
shared.sendDataQueues.remove(self.sendDataThreadQueue)
with shared.printLock:
print 'Number of queues remaining in sendDataQueues:', len(
shared.sendDataQueues)
self.objectHashHolderInstance.close()
def sendaddr(self):
addrsInMyStream = {}
addrsInChildStreamLeft = {}
addrsInChildStreamRight = {}
# print 'knownNodes', shared.knownNodes
# We are going to share a maximum number of 1000 addrs with our peer.
# 500 from this stream, 250 from the left child stream, and 250 from
# the right child stream.
with shared.knownNodesLock:
if len(shared.knownNodes[self.streamNumber]) > 0:
ownPosition = random.randint(0, 499)
sentOwn = False
for i in range(500):
# if current connection is over a proxy, sent our own onion address at a random position
if ownPosition == i and ".onion" in shared.config.get("bitmessagesettings", "onionhostname") and \
hasattr(self.sock, "getproxytype") and self.sock.getproxytype() != "none" and not sentOwn:
peer = shared.Peer(shared.config.get("bitmessagesettings", "onionhostname"), shared.config.getint("bitmessagesettings", "onionport"))
else:
# still may contain own onion address, but we don't change it
peer, = random.sample(shared.knownNodes[self.streamNumber], 1)
if isHostInPrivateIPRange(peer.host):
continue
if peer.host == shared.config.get("bitmessagesettings", "onionhostname") and peer.port == shared.config.getint("bitmessagesettings", "onionport") :
sentOwn = True
addrsInMyStream[peer] = shared.knownNodes[
self.streamNumber][peer]
if len(shared.knownNodes[self.streamNumber * 2]) > 0:
for i in range(250):
peer, = random.sample(shared.knownNodes[
self.streamNumber * 2], 1)
if isHostInPrivateIPRange(peer.host):
continue
addrsInChildStreamLeft[peer] = shared.knownNodes[
self.streamNumber * 2][peer]
if len(shared.knownNodes[(self.streamNumber * 2) + 1]) > 0:
for i in range(250):
peer, = random.sample(shared.knownNodes[
(self.streamNumber * 2) + 1], 1)
if isHostInPrivateIPRange(peer.host):
continue
addrsInChildStreamRight[peer] = shared.knownNodes[
(self.streamNumber * 2) + 1][peer]
numberOfAddressesInAddrMessage = 0
payload = ''
# print 'addrsInMyStream.items()', addrsInMyStream.items()
for (HOST, PORT), value in addrsInMyStream.items():
timeLastReceivedMessageFromThisNode = value
if timeLastReceivedMessageFromThisNode > (int(time.time()) - shared.maximumAgeOfNodesThatIAdvertiseToOthers): # If it is younger than 3 hours old..
numberOfAddressesInAddrMessage += 1
payload += pack(
'>Q', timeLastReceivedMessageFromThisNode) # 64-bit time
payload += pack('>I', self.streamNumber)
payload += pack(
'>q', 1) # service bit flags offered by this node
payload += shared.encodeHost(HOST)
payload += pack('>H', PORT) # remote port
for (HOST, PORT), value in addrsInChildStreamLeft.items():
timeLastReceivedMessageFromThisNode = value
if timeLastReceivedMessageFromThisNode > (int(time.time()) - shared.maximumAgeOfNodesThatIAdvertiseToOthers): # If it is younger than 3 hours old..
numberOfAddressesInAddrMessage += 1
payload += pack(
'>Q', timeLastReceivedMessageFromThisNode) # 64-bit time
payload += pack('>I', self.streamNumber * 2)
payload += pack(
'>q', 1) # service bit flags offered by this node
payload += shared.encodeHost(HOST)
payload += pack('>H', PORT) # remote port
for (HOST, PORT), value in addrsInChildStreamRight.items():
timeLastReceivedMessageFromThisNode = value
if timeLastReceivedMessageFromThisNode > (int(time.time()) - shared.maximumAgeOfNodesThatIAdvertiseToOthers): # If it is younger than 3 hours old..
numberOfAddressesInAddrMessage += 1
payload += pack(
'>Q', timeLastReceivedMessageFromThisNode) # 64-bit time
payload += pack('>I', (self.streamNumber * 2) + 1)
payload += pack(
'>q', 1) # service bit flags offered by this node
payload += shared.encodeHost(HOST)
payload += pack('>H', PORT) # remote port
payload = encodeVarint(numberOfAddressesInAddrMessage) + payload
self.sendDataThreadQueue.put((0, 'sendRawData', shared.CreatePacket('addr', payload)))
def sendaddr(self):
addrsInMyStream = {}
addrsInChildStreamLeft = {}
addrsInChildStreamRight = {}
# print 'knownNodes', shared.knownNodes
# We are going to share a maximum number of 1000 addrs with our peer.
# 500 from this stream, 250 from the left child stream, and 250 from
# the right child stream.
shared.knownNodesLock.acquire()
if len(shared.knownNodes[self.streamNumber]) > 0:
for i in range(500):
peer, = random.sample(shared.knownNodes[self.streamNumber], 1)
if helper_generic.isHostInPrivateIPRange(peer.host):
continue
addrsInMyStream[peer] = shared.knownNodes[
self.streamNumber][peer]
if len(shared.knownNodes[self.streamNumber * 2]) > 0:
for i in range(250):
peer, = random.sample(shared.knownNodes[
self.streamNumber * 2], 1)
if helper_generic.isHostInPrivateIPRange(peer.host):
continue
addrsInChildStreamLeft[peer] = shared.knownNodes[
self.streamNumber * 2][peer]
if len(shared.knownNodes[(self.streamNumber * 2) + 1]) > 0:
for i in range(250):
peer, = random.sample(shared.knownNodes[
(self.streamNumber * 2) + 1], 1)
if helper_generic.isHostInPrivateIPRange(peer.host):
continue
addrsInChildStreamRight[peer] = shared.knownNodes[
(self.streamNumber * 2) + 1][peer]
shared.knownNodesLock.release()
numberOfAddressesInAddrMessage = 0
payload = ''
# print 'addrsInMyStream.items()', addrsInMyStream.items()
for (HOST, PORT), value in addrsInMyStream.items():
timeLastReceivedMessageFromThisNode = value
if timeLastReceivedMessageFromThisNode > (int(time.time()) - shared.maximumAgeOfNodesThatIAdvertiseToOthers): # If it is younger than 3 hours old..
numberOfAddressesInAddrMessage += 1
payload += pack(
'>Q', timeLastReceivedMessageFromThisNode) # 64-bit time
payload += pack('>I', self.streamNumber)
payload += pack(
'>q', 1) # service bit flags offered by this node
payload += shared.encodeHost(HOST)
payload += pack('>H', PORT) # remote port
for (HOST, PORT), value in addrsInChildStreamLeft.items():
timeLastReceivedMessageFromThisNode = value
if timeLastReceivedMessageFromThisNode > (int(time.time()) - shared.maximumAgeOfNodesThatIAdvertiseToOthers): # If it is younger than 3 hours old..
numberOfAddressesInAddrMessage += 1
payload += pack(
'>Q', timeLastReceivedMessageFromThisNode) # 64-bit time
payload += pack('>I', self.streamNumber * 2)
payload += pack(
'>q', 1) # service bit flags offered by this node
payload += shared.encodeHost(HOST)
payload += pack('>H', PORT) # remote port
for (HOST, PORT), value in addrsInChildStreamRight.items():
timeLastReceivedMessageFromThisNode = value
if timeLastReceivedMessageFromThisNode > (int(time.time()) - shared.maximumAgeOfNodesThatIAdvertiseToOthers): # If it is younger than 3 hours old..
numberOfAddressesInAddrMessage += 1
payload += pack(
'>Q', timeLastReceivedMessageFromThisNode) # 64-bit time
payload += pack('>I', (self.streamNumber * 2) + 1)
payload += pack(
'>q', 1) # service bit flags offered by this node
payload += shared.encodeHost(HOST)
payload += pack('>H', PORT) # remote port
payload = encodeVarint(numberOfAddressesInAddrMessage) + payload
datatosend = '\xE9\xBE\xB4\xD9addr\x00\x00\x00\x00\x00\x00\x00\x00'
datatosend = datatosend + pack('>L', len(payload)) # payload length
datatosend = datatosend + hashlib.sha512(payload).digest()[0:4]
datatosend = datatosend + payload
self.sendDataThreadQueue.put((0, 'sendRawData', datatosend))
