def process_data(self,data):
if protocol.compare_command(data,"getaddr"): #get known peers
pass
elif protocol.compare_command(data,"addr"):#in reponse to getaddr
self._process_addr(data)
elif protocol.compare_command(data,"version"):
pass
elif protocol.compare_command(data,"verack"):
pass
elif protocol.compare_command(data,"inv"): #advertise knowledge of tx or block
self._process_inv(data)
elif protocol.compare_command(data,"getblocks"):#request an inv packet for blocks
pass
elif protocol.compare_command(data,"getheaders"):#request headers
pass
elif protocol.compare_command(data,"headers"):#return header in reponse to getheader
pass
elif protocol.compare_command(data,"getdata"):#get data from peer after broadcasting tx via inv
self._process_get_data(data)
elif protocol.compare_command(data,"notfound"):#not found is sent after getdata recieved
pass
elif protocol.compare_command(data,"block"):#describe a block in reponse to getdata
pass
elif protocol.compare_command(data,"tx"):#describe a transaction in repones to getdata
pass
elif protocol.compare_command(data,"pong"):#response to ping
pass
elif protocol.compare_command(data,"ping"):#query if tcp ip is alive
pass
else:
print("unhandled command recieved:",protocol.get_command_msgheader(data))
def get_packet(self):
if( len(self.recv_buffer) >= MSGHEADER_SIZE):
data_length=protocol.get_length_msgheader(self.recv_buffer)
self.expected_msg_size=data_length+MSGHEADER_SIZE
#if valid command is not contained, packet will be thrown out
if protocol.is_valid_command(self.recv_buffer)==False:
print('Invalid command:',protocol.get_command_msgheader(self.recv_buffer))
self.total_junk_bytes_received+=len(self.recv_buffer)
self.expected_msg_size=0
self.recv_buffer=''
return ''
try:
self.recv_buffer+=self.my_socket.recv(TCP_RECV_PACKET_SIZE)
except IOError as e:
print("I/O error({0}): {1}".format(e.errno, e.strerror))
return ''
#if entire message is assembled exactly, return it
if(len(self.recv_buffer) >= self.expected_msg_size and self.expected_msg_size !=0):
self.total_valid_bytes_received+=self.expected_msg_size
out=self.recv_buffer[0:self.expected_msg_size]
self.recv_buffer=self.recv_buffer[self.expected_msg_size:]
self.expected_msg_size=0
return out
#otherwise output is not ready, return empty string
else:
return ''
def get_packet(self):
if( len(self.recv_buffer) >= protocol.MSGHEADER_SIZE):
data_length=protocol.get_length_msgheader(self.recv_buffer)
self.expected_msg_size=data_length+protocol.MSGHEADER_SIZE
#if valid command is not contained, packet will be thrown out
if protocol.is_valid_command(self.recv_buffer,self.crypto)==False:
self.total_junk_bytes_received+=len(self.recv_buffer)
self.expected_msg_size=0
cmd = protocol.get_command_msgheader(self.recv_buffer)
self.recv_buffer=''
logging.error('Invalid command found in buffer: {}'.format(cmd))
return ''
try:
self.recv_buffer+=self.my_socket.recv(TCP_RECV_PACKET_SIZE)
except IOError as e:
logging.warn("Get packet from {0} I/O error({1}): {2}".format(self.address,e.errno, e.strerror))
return ''
#if entire message is assembled exactly, return it
if(len(self.recv_buffer) >= self.expected_msg_size and self.expected_msg_size !=0):
self.total_valid_bytes_received+=self.expected_msg_size
out=self.recv_buffer[0:self.expected_msg_size]
self.recv_buffer=self.recv_buffer[self.expected_msg_size:]
self.expected_msg_size=0
return out
#otherwise output is not ready, return empty string
else:
return ''
def process_data(self,data):
if protocol.compare_command(data,"getaddr"): #get known peers
pass
elif protocol.compare_command(data,"addr"):#in reponse to getaddr
self._process_addr(data)
elif protocol.compare_command(data,"version"):
pass
elif protocol.compare_command(data,"verack"):
pass
elif protocol.compare_command(data,"inv"): #advertise knowledge of tx or block
self._process_inv(data)
elif protocol.compare_command(data,"getblocks"):#request an inv packet for blocks
pass
elif protocol.compare_command(data,"getheaders"):#request headers
pass
elif protocol.compare_command(data,"headers"):#return header in reponse to getheader
pass
elif protocol.compare_command(data,"getdata"):#get data from peer after broadcasting tx via inv
self._process_get_data(data)
elif protocol.compare_command(data,"notfound"):#not found is sent after getdata recieved
pass
elif protocol.compare_command(data,"block"):#describe a block in reponse to getdata
pass
elif protocol.compare_command(data,"tx"):#describe a transaction in repones to getdata
pass
elif protocol.compare_command(data,"pong"):#response to ping
pass
elif protocol.compare_command(data,"ping"):#query if tcp ip is alive
pass
elif protocol.compare_command(data,"reject"):
self._process_reject(data)
elif (self.crypto in ['dashpay','dashpay_testnet'] and
protocol.compare_command(data,'dseep')):
pass
else:
logging.warn("unhandled command recieved:{}".format(
protocol.get_command_msgheader(data)))