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# Py2Play
# Copyright (C) 2001-2002 Jean-Baptiste LAMY
#
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation; either version 2 of the License, or
# (at your option) any later version.
#
# This program 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 General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program; if not, write to the Free Software
# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
import struct, thread, time, select, socket
import py2play.idler as idler
#from py2play import recvall
from socket import error as SocketError
MINIMUM_QUEUE_LENGHT = 3
ACTION_WAIT = " "
ACTION_STALLED = "S"
class Action:
def __init__(self, action = ACTION_WAIT, round = None):
self.round = round
self.action = action
def __repr__(self):
return "<Action %s at round %s>" % (self.action, self.round)
#def WRITE_ACTION(socket, action):
# socket.sendall(action.action)
# socket.sendall(struct.pack("!i", action.round))
#def READ_ACTION(socket):
# return Action(recvall(socket, 1), struct.unpack("!i", recvall(socket, 4))[0])
class ActiveQueue:
def __init__(self, round = 0):
self.round = round
self.actions = []
self.old_actions = []
self.listeners = []
self.lock = thread.allocate_lock()
self.next_action = None
self.fill()
def plan_action(self, action):
self.next_action = action
def append(self, action):
self.lock.acquire() # Lock to avoid that different threads call this method simultaneously.
action.round = self.round
i = 0
while i < len(self.listeners):
try:
WRITE_ACTION(self.listeners[i], action)
i = i + 1
except SocketError:
print "* Py2Play * An actions listener has close its connexion."
del self.listeners[i]
self.actions.append(action)
self.old_actions.append(action)
if len(self.old_actions) > 5000: del self.old_actions[0]
self.round = self.round + 1
self.lock.release()
def fill(self):
#if len(self.actions) > MINIMUM_QUEUE_LENGHT:
# print "TooManyAction", len(self.actions)
if len(self.actions) < MINIMUM_QUEUE_LENGHT:
if self.next_action:
self.append(self.next_action)
self.next_action = None
while len(self.actions) < MINIMUM_QUEUE_LENGHT: self.append(Action())
def pop(self, round):
action = self.actions.pop(0)
if round != action.round:
print "* Py2Play * ERROR : playing action for round %s but character is at round %s !" % (action.round, round)
return action
def recover_actions(self, start_round, end_round = None):
first = self.old_actions[0].round
if start_round < first:
print "* Py2Play * ERROR : cannot recover action %s, it's too old !" % start_round
return ()
if not end_round:
end_round = self.round
elif end_round >= self.round:
print "* Py2Play * ERROR : cannot recover action %s, i don't have it yet ! I wait for them." % end_round
while end_round >= self.round: time.sleep(0.003)
return self.old_actions[start_round - first : end_round - first]
def __len__(self): return len(self.actions)
_EMPTY = []
class PhantomQueue:
def __init__(self, socket, player):
self.actions = []
self.socket = socket
self.player = player
self.socket = socket
self.check_late = 1
def ____fill(self):
if len(self.actions) < 1:
try:
while 1:
if not select.select([self.socket], _EMPTY, _EMPTY, 0)[0]:
print "attente..."
idler.IDLER.accel(-1)
self.actions.append(READ_ACTION(self.socket))
if not select.select([self.socket], _EMPTY, _EMPTY, 0)[0]: break
except:
import sys
sys.excepthook(*sys.exc_info())
print "* Py2Play * a character is no longer reachable : %s." % self.player.name
self.actions.append(Action())
if self.player.character in self.player.level.characters:
self.player.level.remove_character(self.player.character)
def fill(self):
if len(self.actions) < 1:
try:
if not select.select([self.socket], _EMPTY, _EMPTY, 0)[0]:
t = time.time()
self.actions.append(READ_ACTION(self.socket))
t = t - time.time()
idler.IDLER.accel(t / idler.ROUND_DURATION)
else:
#t = time.time()
self.actions.append(READ_ACTION(self.socket))
#t = t - time.time()
#
#idler.IDLER.accel(t / idler.ROUND_DURATION)
except:
import sys
sys.excepthook(*sys.exc_info())
print "* Py2Play * player %s is no longer reachable ! Removing him/her." % self.player.name
self.actions.append(Action())
if self.player.character in self.player.level.characters:
self.player.level.remove_character(self.player.character)
def ____pop(self, round = None):
if (not round is None) and (self.actions) and (not self.actions[-1].round is None):
#if self.actions[-1].round - round > MINIMUM_QUEUE_LENGHT:
if self.actions[-1].round - round >= MINIMUM_QUEUE_LENGHT:
if self.check_late:
idler.IDLER.accel(self.actions[-1].round - round - MINIMUM_QUEUE_LENGHT + 1)
self.check_late = 0
else: self.check_late = 1
if not self.actions: self.fill()
#return self.actions[0]
action = self.actions.pop(0)
if (not round is None) and (not action.round is None):
if round > action.round:
print "* Py2Play * WARNING : character is at round %s but the next action is for round %s ! Skipping." % (round, action.round)
self.fill()
return self.pop(round)
elif round < action.round:
print "* Py2Play * actions from round %s to round %s are lacking... i ask for them." % (round, action.round)
actions = self.player.question_actions(round, action.round)
if actions is None: print "* Py2Play * ERROR : cannot question for actions %s to % !" % (round, action.round)
self.actions = actions[1:] + [action] + self.actions
return actions[0]
return action
def pop(self, round = None):
#if (not round is None) and (self.actions) and (not self.actions[-1].round is None):
# #if self.actions[-1].round - round > MINIMUM_QUEUE_LENGHT:
# if self.actions[-1].round - round >= MINIMUM_QUEUE_LENGHT:
# if self.check_late:
# idler.IDLER.accel(self.actions[-1].round - round - MINIMUM_QUEUE_LENGHT + 1)
# self.check_late = 0
# else: self.check_late = 1
if not self.actions: self.fill()
action = self.actions.pop(0)
if (not round is None) and (not action.round is None):
if round > action.round:
print "* Py2Play * WARNING : character is at round %s but the next action is for round %s ! Skipping." % (round, action.round)
self.fill()
return self.pop(round)
elif round < action.round:
print "* Py2Play * actions from round %s to round %s are lacking... i ask for them." % (round, action.round)
actions = self.player.question_actions(round, action.round)
if actions is None: print "* Py2Play * ERROR : cannot question for actions %s to % !" % (round, action.round)
self.actions = actions[1:] + [action] + self.actions
return actions[0]
return action
def __len__(self): return len(self.actions)
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