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fixing chat to use public IP (#122)

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Robert Zajac 2019-02-10 20:52:05 -05:00 committed by GitHub
parent 5af7079f08
commit e34603c364
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1 changed files with 9 additions and 4 deletions
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13
examples/chat/chat.py
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@ -1,5 +1,6 @@
import asyncio import asyncio
import sys import sys
import urllib.request
import click import click
import multiaddr import multiaddr
@ -30,7 +31,10 @@ async def write_data(stream):
async def run(port, destination): async def run(port, destination):
host = await new_node(transport_opt=["/ip4/127.0.0.1/tcp/%s" % port]) external_ip = urllib.request.urlopen(
'https://v4.ident.me/').read().decode('utf8')
host = await new_node(
transport_opt=["/ip4/%s/tcp/%s" % (external_ip, port)])
if not destination: # its the server if not destination: # its the server
async def stream_handler(stream): async def stream_handler(stream):
asyncio.ensure_future(read_data(stream)) asyncio.ensure_future(read_data(stream))
@ -38,16 +42,17 @@ async def run(port, destination):
host.set_stream_handler(PROTOCOL_ID, stream_handler) host.set_stream_handler(PROTOCOL_ID, stream_handler)
port = None port = None
ip = None
for listener in host.network.listeners.values(): for listener in host.network.listeners.values():
for addr in listener.get_addrs(): for addr in listener.get_addrs():
ip = addr.value_for_protocol('ip4')
port = int(addr.value_for_protocol('tcp')) port = int(addr.value_for_protocol('tcp'))
if not port: if not port:
raise RuntimeError("was not able to find the actual local port") raise RuntimeError("was not able to find the actual local port")
print("Run './examples/chat/chat.py -p %s -d /ip4/127.0.0.1/tcp/%s/p2p/%s' on another console.\n" % print("Run './examples/chat/chat.py -p %s -d /ip4/%s/tcp/%s/p2p/%s' on another console.\n" %
(int(port) + 1, port, host.get_id().pretty())) (int(port) + 1, ip, port, host.get_id().pretty()))
print("You can replace 127.0.0.1 with public IP as well.")
print("\nWaiting for incoming connection\n\n") print("\nWaiting for incoming connection\n\n")
else: # its the client else: # its the client