def main():
sio.connect('https://ishoal.ink/')
ishoalc.wait_for_switch()
if ishoalc.should_stop():
sio.disconnect()
return
def on_switch_change():
pulse()
threading.Thread(target=ishoalc.on_switch_chg_threadfn,
args=(on_switch_change,), name='py_switch_chg').start()
def periodic_pulse_threadfn():
while not ishoalc.should_stop():
ishoalc.sleep(10 * 1000)
pulse()
threading.Thread(target=periodic_pulse_threadfn, name='py_pulse').start()
# Python is dumb that signal handlers must execute on main thread :(
# if we ishoalc.sleep(-1) then signal handler will never execute
# wake up every 100ms to check for signals
while not ishoalc.should_stop():
ishoalc.sleep(100)
sio.disconnect()
def main():
global loop
loop = handshake.start_handshaker()
new_socketio()
def on_switch_change():
if g_sio:
g_sio.disconnect()
threading.Thread(target=ishoalc.on_switch_chg_threadfn,
args=(on_switch_change, ),
name='py_switch_chg').start()
# Python is dumb that signal handlers must execute on main thread :(
# if we ishoalc.sleep(-1) then signal handler will never execute
# wake up every 100ms to check for signals
while not ishoalc.should_stop():
ishoalc.sleep(100)
global finalizing
finalizing = True
if g_sio:
g_sio.disconnect()
loop.call_soon_threadsafe(loop.stop)
def periodic_pulse_threadfn():
while not ishoalc.should_stop():
ishoalc.sleep(10 * 1000)
pulse()
def new_socketio():
ishoalc.wait_for_switch()
if ishoalc.should_stop():
return
all_connections = set()
sio = socketio.Client(reconnection=False)
sio.eio.logger.setLevel(logging.CRITICAL)
def handshake_cb(typ, args):
if typ == 'port_exchange':
sio.emit('handshake', args)
if typ == 'complete':
switchip, *_ = args
all_connections.add(switchip)
ishoalc.add_connection(*args)
if typ == 'timeout':
switchip, = args
print(f'* Remote IP {switchip}, handshake time out',
file=remotes_log)
if typ == 'error':
switchip, e = args
print(
f'* Remote IP {switchip}, handshake error: '
f'{type(e).__qualname__}: {e}',
file=remotes_log)
try:
with open('/var/log/ishoal-error.log', 'a') as f:
traceback.print_exc(file=f)
except Exception:
pass
@sio.on('disconnect')
def on_disconnect():
for switchip in all_connections:
ishoalc.delete_connection(switchip)
global g_sio
g_sio = None
all_connections.clear()
print('Disconnected', file=remotes_log)
ishoalc.sleep(100)
if not finalizing:
new_socketio()
@sio.on('connected')
def on_connected():
sio.emit('protocol', (2, ishoalc.get_switch_ip()))
global g_sio
g_sio = sio
print('Joined iShoal network', file=remotes_log)
@sio.on('ip_collision')
def on_ip_collision():
print(
f'Cannot join iShoal network, '
f'{ishoalc.get_switch_ip()} collision',
file=remotes_log)
@sio.on('add_remote')
def on_add_remote(remoteid, remoteip, switchip):
if not isinstance(remoteip, str) or not IPV4_REGEXP.match(remoteip):
return
if not isinstance(switchip, str) or not IPV4_REGEXP.match(switchip):
return
handshake.do_handshake(loop, remoteid, remoteip, switchip,
handshake_cb)
@sio.on('handshake')
def on_handshake(remoteid, exchangeid, port):
if not isinstance(port, int) or not (0 < port < 65536):
return
if exchangeid not in (0, 1):
return
handshake.on_handshake_msg(loop, remoteid, exchangeid, port)
@sio.on('del_remote')
def on_del_remote(remoteid, remoteip, switchip):
if not isinstance(switchip, str) or not IPV4_REGEXP.match(switchip):
return
all_connections.discard(switchip)
ishoalc.delete_connection(switchip)
try:
sio.connect('https://ishoal.ink/')
except Exception as e:
print(
f'Failed to join iShoal network, check connection? Error:\n'
f'{type(e).__qualname__}: {e}',
file=remotes_log)
try:
with open('/var/log/ishoal-error.log', 'a') as f:
traceback.print_exc(file=f)
except Exception:
pass
