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start.py: add --dump-packets option.

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This commit is contained in:
joo 2017-08-21 21:06:39 +01:00
parent 593c98f168
commit f1d04e6610
1 changed files with 28 additions and 8 deletions
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36
start.py
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@ -1,5 +1,7 @@
#!/usr/bin/env python
from __future__ import print_function
import getpass
import sys
from optparse import OptionParser
@ -7,10 +9,7 @@ from optparse import OptionParser
from minecraft import authentication
from minecraft.exceptions import YggdrasilError
from minecraft.networking.connection import Connection
from minecraft.networking.packets import (
ChatMessagePacket, ChatPacket
)
from minecraft.networking.packets.serverbound.play import ClientStatusPacket
from minecraft.networking.packets import Packet, clientbound, serverbound
from minecraft.compat import input
@ -29,6 +28,10 @@ def get_options():
parser.add_option("-o", "--offline", dest="offline", action="store_true",
help="connect to a server in offline mode")
parser.add_option("-d", "--dump-packets", dest="dump_packets",
action="store_true",
help="print sent and received packets to standard error")
(options, args) = parser.parse_args()
if not options.username:
@ -70,23 +73,40 @@ def main():
connection = Connection(
options.address, options.port, auth_token=auth_token)
if options.dump_packets:
def print_incoming(packet):
if type(packet) is Packet:
# This is a direct instance of the base Packet type, meaning
# that it is a packet of unknown type, so we do not print it.
return
print('--> %s' % packet, file=sys.stderr)
def print_outgoing(packet):
print('<-- %s' % packet, file=sys.stderr)
connection.register_packet_listener(
print_incoming, Packet, early=True)
connection.register_packet_listener(
print_outgoing, Packet, outgoing=True)
connection.connect()
def print_chat(chat_packet):
print("Position: " + str(chat_packet.position))
print("Data: " + chat_packet.json_data)
connection.register_packet_listener(print_chat, ChatMessagePacket)
connection.register_packet_listener(
print_chat, clientbound.play.ChatMessagePacket)
while True:
try:
text = input()
if text == "/respawn":
print("respawning...")
packet = ClientStatusPacket()
packet.action_id = ClientStatusPacket.RESPAWN
packet = serverbound.play.ClientStatusPacket()
packet.action_id = serverbound.play.ClientStatusPacket.RESPAWN
connection.write_packet(packet)
else:
packet = ChatPacket()
packet = serverbound.play.ChatPacket()
packet.message = text
connection.write_packet(packet)
except KeyboardInterrupt: