########################################################################################
# This file is part of Spheres.
# Copyright (C) 2019 Jesusalva
# This library is free software; you can redistribute it and/or
# modify it under the terms of the GNU Lesser General Public
# License as published by the Free Software Foundation; either
# version 2.1 of the License, or (at your option) any later version.
# This library is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
# Lesser General Public License for more details.
# You should have received a copy of the GNU Lesser General Public
# License along with this library; if not, write to the Free Software
# Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
########################################################################################
# Definitions: WebSocket
init python:
# FIXME: Drop dead if session_id mismatches (new "token")
# Same as ondata?
def onmsg(self, message):
global tr_load, tr_val, tr_busy
stdout("Server : " + str(message))
# Inform whatever is waiting for us that a reply was obtained
tr_load=True
tr_val=str(message)
# We do not clean tr_busy here
return
def ondata(self, msg, dtype, cont):
#print("INFO: data received\n")
"""
on_data: callback object which is called when a message received.
This is called before on_message or on_cont_message,
and then on_message or on_cont_message is called.
on_data has 4 argument.
The 1st argument is this class object.
The 2nd argument is utf-8 string which we get from the server.
The 3rd argument is data type. ABNF.OPCODE_TEXT or ABNF.OPCODE_BINARY will be came.
The 4th argument is continue flag. if 0, the data continue
"""
#renpy.notify(msg)
return
def onopen(self):
global tr_busy, tr_load, tr_val, HOST
print("Opening connection to %s" % HOST)
tr_load=True
tr_val=""
tr_busy=False
send_packet_now("PING")
def onerror(self, err):
stdout("ERROR RECEIVED")
stdout("More details: %s" % repr(err))
stdout("An error happened: %s" % str(err))
# FIXME: If such error happen, the game never dies
# This is a huge problem o.o
try:
renpy.call_screen("msgbox",
"An unrecoverable error happened.\nPlease close and re-open the app.")
# "An unrecoverable error happened.\nPress OK to return to main menu screen.")
#raise KeyboardException(str(err))
#raise err
# FIXME: Not working, and the loop also does not work
# Maybe because it causes an Exception?
# I wonder if I can/should run this in a non-daemon thread?
# But I sense the problem is not here but a level above
# FIXME: renpy.quit() throws an exception - which in a thread is obviously not gonna work...
#renpy.quit(relaunch=True, status=1)
except:
sdelay(20.0)
return 1
class GameClient(WebSocketClient):
def opened(self):
onopen(self)
# FIXME This is also onerror
def closed(self, code, reason=None):
print "Closed down", code, reason
onerror(self, "%s" % str(reason))
def received_message(self, m):
onmsg(self, str(m))
# Be mindful of where/when using this function
# Or "onmsg" may accidentally not be cast =/
def send_packet_now(packet, args=""):
global ws, tr_load, tr_val, tr_busy
stdout("Sending: %s" % packet)
ws.send(get_token() + ";" + packet + ";" + args)
return
def wait_packet():
global tr_load, tr_val, tr_busy
timeout=0.0
print("Now waiting for packet!")
while not tr_load:
sdelay() # FIXME: This can cause errors in mobile?
timeout+=0.02
if timeout >= TIMEOUT_INTERVAL:
# FIXME: What if a screen is already being displayed? BUG
try:
renpy.call_screen("msgbox", "Error Code: %d\n\nApplication timeout, click to try again" % (ERR_TIMEOUT))
timeout=0.0
except:
stdout("ERROR: Timeout and retry failure")
break
val=tr_val
tr_busy=False
print("value obtained: %s" % str(val))
if (val is None):
return ERR_INVALID
return val
def schedule_packet():
global tr_load, tr_val, tr_busy
# TODO: if tr_busy already true, wait until it is made false
while tr_busy:
sdelay()
# Book processing space for ourselves
tr_busy=True
tr_load=False
tr_val=None
return
def send_packet(packet, args=""):
global tr_cmd, tr_busy, tr_load
schedule_packet()
tr_cmd=[packet, args]
tr_val = wait_packet()
return
# This is not really required, just makes we use two threads
# instead of one? tr_busy is handled by shcedule_packet() which is
# summoned by send_packet() already, so it should not be needed
# I guess it could be handful to auto-restart connection later™?
# sslopt={"cert_reqs": CERT_NONE})
def supervisor(use_ssl):
global tr_load, tr_val, tr_busy, tr_cmd, ws
stdout(_("Opening new socket..."))
if use_ssl:
ws = GameClient("wss://"+HOST+":61000")
else:
ws = GameClient("ws://"+HOST+":61000")
ws.connect()
renpy.invoke_in_thread(ws.run_forever) # May be problematic
stdout("Connection established!")
# Begin loop
while True:
try:
if tr_cmd[0] != "":
#schedule_packet()
send_packet_now(tr_cmd[0], tr_cmd[1])
tr_cmd=["", ""]
# Main thread is the one waiting, not us
time.sleep(0.02)
pass
except NameError:
print("NameError, perhaps the program has terminated?")
break
try:
ws.close()
except:
pass
# Close the supervisor module
return
