annotate orpg/networking/mplay_messaging.py @ 96:65c1604e7949 alpha

Traipse Alpha 'OpenRPG' {090924-00} Traipse is a distribution of OpenRPG that is designed to be easy to setup and go. Traipse also makes it easy for developers to work on code without fear of sacrifice. 'Ornery-Orc' continues the trend of 'Grumpy' and adds fixes to the code. 'Ornery-Orc's main goal is to offer more advanced features and enhance the productivity of the user. Update Summary: 00: Update forwards to the 090909-02 Server code that now works. New default Lobby Map, designed for Traipse. Feel free to change it. Updates to Server GUI: * Admin can Ban from Backend. * Prework to modify Ban List in back end. * Server GUI finds your Lobby Name * New users default as Lurker unless a Role is set New Addition to Chat Die Roll commands. Math Ordering. Ex. [(X+Y)dZ]. Currently does pairs only, no nesting either. Cleaner TraipseSuiteAttention portability and clean up in Main (Beta!)
author sirebral
date Thu, 24 Sep 2009 02:05:08 -0500
parents d1aff41c031b
children 9314d63c0941
rev   line source
0
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1 # Copyright (C) 2000-2001 The OpenRPG Project
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2 #
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3 # openrpg-dev@lists.sourceforge.net
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4 #
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5 # This program is free software; you can redistribute it and/or modify
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6 # it under the terms of the GNU General Public License as published by
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7 # the Free Software Foundation; either version 2 of the License, or
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8 # (at your option) any later version.
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9 #
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10 # This program is distributed in the hope that it will be useful,
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11 # but WITHOUT ANY WARRANTY; without even the implied warranty of
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12 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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13 # GNU General Public License for more details.
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14 #
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15 # You should have received a copy of the GNU General Public License
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16 # along with this program; if not, write to the Free Software
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17 # Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
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18 # --
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19 #
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20 # File: mplay_messaging.py
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21 # Author: Dj Gilcrease
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22 # Maintainer:
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23 # Version:
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24 # $Id: mplay_messaging.py,v 1.5 2007/05/06 16:42:59 digitalxero Exp $
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25 #
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26 # Description: This file contains the code for the client / server messaging
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27 #
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28
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29 __version__ = "$Id: mplay_messaging.py,v 1.5 2007/05/06 16:42:59 digitalxero Exp $"
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30
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31 import socket
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32 import Queue
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33 import thread
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34 import traceback
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35 from threading import Event, Lock
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36 from xml.sax.saxutils import escape
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37 from struct import pack, unpack, calcsize
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38 from string import *
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39 from orpg.orpg_version import VERSION, PROTOCOL_VERSION, CLIENT_STRING, SERVER_MIN_CLIENT_VERSION
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40 import os
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41 import time
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42
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43 from orpg.tools.orpg_log import logger
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44 from orpg.orpgCore import component
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45
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46 def myescape(data):
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47 return escape(data,{"\"":""})
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48
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49 class messenger:
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50 def __init__(self, *args, **kwargs):
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51 #self.xml = component.get("xml") used once, no need for the object.
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52 self.dir_struct = component.get("dir_struct") #used?
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53 self.validate = component.get("validate") #used??
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54 #self.settings = component.get("settings") ## used once, no need for the object.
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55 if kwargs.has_key('isServer'):
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56 self.isServer = kwargs['isServer']
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57 else:
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58 self.isServer = False
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59 self.listen_event = Event()
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60 self.outbox = Queue.Queue(0)
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61 self.inbox_event = Event()
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62 self.inbox = Queue.Queue(0)
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63 self.startedEvent = Event()
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64 self.exitEvent = Event()
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65 self.sendThreadExitEvent = Event()
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66 self.recvThreadExitEvent = Event()
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67 self.port = int(component.get("settings").get_setting("port")) ##used even?
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68 self.ip = socket.gethostbyname(socket.gethostname())
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69 self.lensize = calcsize('i')
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70 self.mplay_type = ('disconnected', 'connected', 'disconnecting', 'group change', 'group change failed')
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71 self.status = self.mplay_type[0]
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72 self.alive = False
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73 self.sock = None
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74 self.version = VERSION
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75 self.protocol_version = PROTOCOL_VERSION
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76 self.client_string = CLIENT_STRING
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77 self.minClientVersion = SERVER_MIN_CLIENT_VERSION
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78 self.id = "0"
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79 self.group_id = "0"
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80 self.name = ""
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81 self.role = "GM"
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82 self.ROLE_GM = "GM"
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83 self.ROLE_PLAYER = "PLAYER"
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84 self.ROLE_LURKER = "LURKER"
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85 self.text_status = "Idle"
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86 self.statLock = Lock()
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87 self.useroles = 0
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88 self.lastmessagetime = time.time()
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89 self.connecttime = time.time()
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90 self.timeout_time = None
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91 self.ignorelist = {}
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92 self.players = {}
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93 self.groups = {}
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94
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95 #Setup Stuff from the Server
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96 if kwargs.has_key('inbox'):
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97 self.inbox = kwargs['inbox']
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98 if kwargs.has_key('sock'):
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99 self.sock = kwargs['sock']
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100 if kwargs.has_key('ip'):
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101 self.ip = kwargs['ip']
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102 if kwargs.has_key('role'):
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103 self.role = kwargs['role']
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104 if kwargs.has_key('id'):
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105 self.id = kwargs['id']
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106 if kwargs.has_key('group_id'):
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107 self.group_id = kwargs['group_id']
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108 if kwargs.has_key('name'):
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109 self.name = kwargs['name']
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110 if kwargs.has_key('version'):
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111 self.version = kwargs['version']
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112 if kwargs.has_key('protocol_version'):
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113 self.protocol_version = kwargs['protocol_version']
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114 if kwargs.has_key('client_string'):
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115 self.client_string = kwargs['client_string']
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116
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117 def build_message(self, *args, **kwargs):
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118 #print args
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119 message = '<' + args[0]
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120
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121 #Setup the attributes of the message
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122 if len(kwargs) > 0:
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123 for attrib in kwargs.keys():
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124 message += ' ' + attrib + '="' + str(kwargs[attrib]) + '"'
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125
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126 #Add the actual message if there is one
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127 if len(args) > 1:
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128 #Close the first part
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129 message += '>'
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130 message += escape(args[1])
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131
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132 #Close the whole thing
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133 message += '</' + args[0] + '>'
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134 else:
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sirebral
parents:
diff changeset
135 message += ' />'
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sirebral
parents:
diff changeset
136 return message
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sirebral
parents:
diff changeset
137
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sirebral
parents:
diff changeset
138 def disconnect(self):
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sirebral
parents:
diff changeset
139 self.set_status(2)
96
65c1604e7949 Traipse Alpha 'OpenRPG' {090924-00}
sirebral
parents: 90
diff changeset
140 logger.debug("client stub " + self.ip +" disconnecting...")
65c1604e7949 Traipse Alpha 'OpenRPG' {090924-00}
sirebral
parents: 90
diff changeset
141 logger.debug("closing sockets...")
0
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sirebral
parents:
diff changeset
142 try:
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sirebral
parents:
diff changeset
143 self.sock.shutdown( 2 )
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sirebral
parents:
diff changeset
144 except:
96
65c1604e7949 Traipse Alpha 'OpenRPG' {090924-00}
sirebral
parents: 90
diff changeset
145 logger.general("Caught exception:\n" + traceback.format_exc())
0
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sirebral
parents:
diff changeset
146 self.set_status(0)
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sirebral
parents:
diff changeset
147
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sirebral
parents:
diff changeset
148 def reset(self, sock):
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parents:
diff changeset
149 self.disconnect()
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sirebral
parents:
diff changeset
150 self.sock = sock
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sirebral
parents:
diff changeset
151 self.initialize_threads()
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sirebral
parents:
diff changeset
152
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sirebral
parents:
diff changeset
153 def update_role(self, role):
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sirebral
parents:
diff changeset
154 self.useroles = 1
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sirebral
parents:
diff changeset
155 self.role = role
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sirebral
parents:
diff changeset
156
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sirebral
parents:
diff changeset
157 def use_roles(self):
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sirebral
parents:
diff changeset
158 return self.useroles
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sirebral
parents:
diff changeset
159
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sirebral
parents:
diff changeset
160 def update_self_from_player(self, player):
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sirebral
parents:
diff changeset
161 try:
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sirebral
parents:
diff changeset
162 (self.name, self.ip, self.id, self.text_status, self.version, self.protocol_version, self.client_string,role) = player
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sirebral
parents:
diff changeset
163 except:
96
65c1604e7949 Traipse Alpha 'OpenRPG' {090924-00}
sirebral
parents: 90
diff changeset
164 logger.general("Exception: messenger->update_self_from_player():\n" + traceback.format_exc())
0
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sirebral
parents:
diff changeset
165
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sirebral
parents:
diff changeset
166 def toxml(self, act):
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65c1604e7949 Traipse Alpha 'OpenRPG' {090924-00}
sirebral
parents: 90
diff changeset
167 logger.exception("DEPRECIATED! messenger->toxml()")
0
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sirebral
parents:
diff changeset
168 xml_data = self.build_message('player',
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sirebral
parents:
diff changeset
169 name=myescape(self.name),
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sirebral
parents:
diff changeset
170 action=act,
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sirebral
parents:
diff changeset
171 id=self.id,
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sirebral
parents:
diff changeset
172 group_id=self.group_id,
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sirebral
parents:
diff changeset
173 ip=self.ip,
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sirebral
parents:
diff changeset
174 status=self.text_status,
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sirebral
parents:
diff changeset
175 version=self.version,
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sirebral
parents:
diff changeset
176 protocol_version=self.protocol_version,
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parents:
diff changeset
177 client_string=self.client_string
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sirebral
parents:
diff changeset
178 )
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parents:
diff changeset
179 return xml_data
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sirebral
parents:
diff changeset
180
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sirebral
parents:
diff changeset
181 def get_status(self):
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sirebral
parents:
diff changeset
182 self.statLock.acquire()
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sirebral
parents:
diff changeset
183 status = self.status
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sirebral
parents:
diff changeset
184 self.statLock.release()
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sirebral
parents:
diff changeset
185 return status
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sirebral
parents:
diff changeset
186
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sirebral
parents:
diff changeset
187 def my_role(self):
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sirebral
parents:
diff changeset
188 return self.role
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sirebral
parents:
diff changeset
189
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sirebral
parents:
diff changeset
190 def set_status(self, status):
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sirebral
parents:
diff changeset
191 self.statLock.acquire()
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sirebral
parents:
diff changeset
192 self.status = status
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sirebral
parents:
diff changeset
193 self.statLock.release()
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sirebral
parents:
diff changeset
194
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sirebral
parents:
diff changeset
195 def initialize_threads(self):
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parents:
diff changeset
196 "Starts up our threads (2) and waits for them to make sure they are running!"
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sirebral
parents:
diff changeset
197 self.status = 'connected'
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sirebral
parents:
diff changeset
198 self.sock.setblocking(1)
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sirebral
parents:
diff changeset
199
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sirebral
parents:
diff changeset
200 # Confirm that our threads have started
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sirebral
parents:
diff changeset
201 thread.start_new_thread( self.sendThread,(0,) )
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sirebral
parents:
diff changeset
202 thread.start_new_thread( self.recvThread,(0,) )
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sirebral
parents:
diff changeset
203 self.startedEvent.set()
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sirebral
parents:
diff changeset
204
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sirebral
parents:
diff changeset
205 def __str__(self):
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sirebral
parents:
diff changeset
206 return "%s(%s)\nIP:%s\ngroup_id:%s\n%s (%s)" % (self.name, self.id, self.ip, self.group_id, self.idle_time(), self.connected_time())
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sirebral
parents:
diff changeset
207
4385a7d0efd1 Deleted and repushed it with the 'grumpy-goblin' branch. I forgot a y
sirebral
parents:
diff changeset
208 # idle time functions added by snowdog 3/31/04
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sirebral
parents:
diff changeset
209 def update_idle_time(self):
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sirebral
parents:
diff changeset
210 self.lastmessagetime = time.time()
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sirebral
parents:
diff changeset
211
4385a7d0efd1 Deleted and repushed it with the 'grumpy-goblin' branch. I forgot a y
sirebral
parents:
diff changeset
212 def idle_time(self):
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sirebral
parents:
diff changeset
213 curtime = time.time()
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sirebral
parents:
diff changeset
214 idletime = curtime - self.lastmessagetime
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sirebral
parents:
diff changeset
215 return idletime
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sirebral
parents:
diff changeset
216
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sirebral
parents:
diff changeset
217 def idle_status(self):
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sirebral
parents:
diff changeset
218 idletime = self.idle_time()
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sirebral
parents:
diff changeset
219 idlemins = idletime / 60
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sirebral
parents:
diff changeset
220 status = "Unknown"
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sirebral
parents:
diff changeset
221 if idlemins < 3:
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sirebral
parents:
diff changeset
222 status = "Active"
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sirebral
parents:
diff changeset
223 elif idlemins < 10:
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sirebral
parents:
diff changeset
224 status = "Idle ("+str(int(idlemins))+" mins)"
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sirebral
parents:
diff changeset
225 else:
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sirebral
parents:
diff changeset
226 status = "Inactive ("+str(int(idlemins))+" mins)"
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sirebral
parents:
diff changeset
227 return status
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sirebral
parents:
diff changeset
228
4385a7d0efd1 Deleted and repushed it with the 'grumpy-goblin' branch. I forgot a y
sirebral
parents:
diff changeset
229 def connected_time(self):
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sirebral
parents:
diff changeset
230 curtime = time.time()
4385a7d0efd1 Deleted and repushed it with the 'grumpy-goblin' branch. I forgot a y
sirebral
parents:
diff changeset
231 timeoffset = curtime - self.connecttime
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sirebral
parents:
diff changeset
232 return timeoffset
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sirebral
parents:
diff changeset
233
4385a7d0efd1 Deleted and repushed it with the 'grumpy-goblin' branch. I forgot a y
sirebral
parents:
diff changeset
234 def connected_time_string(self):
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sirebral
parents:
diff changeset
235 "returns the time client has been connected as a formated time string"
4385a7d0efd1 Deleted and repushed it with the 'grumpy-goblin' branch. I forgot a y
sirebral
parents:
diff changeset
236 ct = self.connected_time()
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sirebral
parents:
diff changeset
237 d = int(ct/86400)
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sirebral
parents:
diff changeset
238 h = int( (ct-(86400*d))/3600 )
4385a7d0efd1 Deleted and repushed it with the 'grumpy-goblin' branch. I forgot a y
sirebral
parents:
diff changeset
239 m = int( (ct-(86400*d)-(3600*h))/60)
4385a7d0efd1 Deleted and repushed it with the 'grumpy-goblin' branch. I forgot a y
sirebral
parents:
diff changeset
240 s = int( (ct-(86400*d)-(3600*h)-(60*m)) )
4385a7d0efd1 Deleted and repushed it with the 'grumpy-goblin' branch. I forgot a y
sirebral
parents:
diff changeset
241 cts = zfill(d,2)+":"+zfill(h,2)+":"+zfill(m,2)+":"+zfill(s,2)
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sirebral
parents:
diff changeset
242 return cts
4385a7d0efd1 Deleted and repushed it with the 'grumpy-goblin' branch. I forgot a y
sirebral
parents:
diff changeset
243
4385a7d0efd1 Deleted and repushed it with the 'grumpy-goblin' branch. I forgot a y
sirebral
parents:
diff changeset
244 def clear_timeout(self):
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sirebral
parents:
diff changeset
245 self.timeout_time = None
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sirebral
parents:
diff changeset
246
4385a7d0efd1 Deleted and repushed it with the 'grumpy-goblin' branch. I forgot a y
sirebral
parents:
diff changeset
247 def check_time_out(self):
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sirebral
parents:
diff changeset
248 if self.timeout_time==None:
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sirebral
parents:
diff changeset
249 self.timeout_time = time.time()
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sirebral
parents:
diff changeset
250 curtime = time.time()
4385a7d0efd1 Deleted and repushed it with the 'grumpy-goblin' branch. I forgot a y
sirebral
parents:
diff changeset
251 diff = curtime - self.timeout_time
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sirebral
parents:
diff changeset
252 if diff > 1800:
4385a7d0efd1 Deleted and repushed it with the 'grumpy-goblin' branch. I forgot a y
sirebral
parents:
diff changeset
253 return 1
4385a7d0efd1 Deleted and repushed it with the 'grumpy-goblin' branch. I forgot a y
sirebral
parents:
diff changeset
254 else:
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sirebral
parents:
diff changeset
255 return 0
4385a7d0efd1 Deleted and repushed it with the 'grumpy-goblin' branch. I forgot a y
sirebral
parents:
diff changeset
256
4385a7d0efd1 Deleted and repushed it with the 'grumpy-goblin' branch. I forgot a y
sirebral
parents:
diff changeset
257 def send(self, msg):
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sirebral
parents:
diff changeset
258 if self.get_status() == 'connected':
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sirebral
parents:
diff changeset
259 self.outbox.put(msg)
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sirebral
parents:
diff changeset
260
4385a7d0efd1 Deleted and repushed it with the 'grumpy-goblin' branch. I forgot a y
sirebral
parents:
diff changeset
261 def change_group(self, group_id, groups):
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sirebral
parents:
diff changeset
262 old_group_id = str(self.group_id)
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sirebral
parents:
diff changeset
263 groups[group_id].add_player(self.id)
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sirebral
parents:
diff changeset
264 groups[old_group_id].remove_player(self.id)
4385a7d0efd1 Deleted and repushed it with the 'grumpy-goblin' branch. I forgot a y
sirebral
parents:
diff changeset
265 self.group_id = group_id
4385a7d0efd1 Deleted and repushed it with the 'grumpy-goblin' branch. I forgot a y
sirebral
parents:
diff changeset
266 self.outbox.put(self.toxml('group'))
4385a7d0efd1 Deleted and repushed it with the 'grumpy-goblin' branch. I forgot a y
sirebral
parents:
diff changeset
267 msg = groups[group_id].game_map.get_all_xml()
4385a7d0efd1 Deleted and repushed it with the 'grumpy-goblin' branch. I forgot a y
sirebral
parents:
diff changeset
268 self.send(msg)
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sirebral
parents:
diff changeset
269 return old_group_id
4385a7d0efd1 Deleted and repushed it with the 'grumpy-goblin' branch. I forgot a y
sirebral
parents:
diff changeset
270
4385a7d0efd1 Deleted and repushed it with the 'grumpy-goblin' branch. I forgot a y
sirebral
parents:
diff changeset
271 def take_dom(self, xml_dom):
4385a7d0efd1 Deleted and repushed it with the 'grumpy-goblin' branch. I forgot a y
sirebral
parents:
diff changeset
272 self.name = xml_dom.getAttribute("name")
4385a7d0efd1 Deleted and repushed it with the 'grumpy-goblin' branch. I forgot a y
sirebral
parents:
diff changeset
273 self.text_status = xml_dom.getAttribute("status")
4385a7d0efd1 Deleted and repushed it with the 'grumpy-goblin' branch. I forgot a y
sirebral
parents:
diff changeset
274
4385a7d0efd1 Deleted and repushed it with the 'grumpy-goblin' branch. I forgot a y
sirebral
parents:
diff changeset
275 def add_msg_handler(self, tag, function, core=False):
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276 if not self.msg_handlers.has_key(tag):
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277 self.msg_handlers[tag] = function
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278 if core:
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279 self.core_msg_handlers.append(tag)
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280 else:
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281 print 'XML Messages ' + tag + ' already has a handler'
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282
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283 def remove_msg_handler(self, tag):
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diff changeset
284 if self.msg_handlers.has_key(tag) and not tag in self.core_msg_handlers:
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285 del self.msg_handlers[tag]
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286 else:
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287 print 'XML Messages ' + tag + ' already deleted'
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288
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289
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290 #Message Handaling
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291 def message_handler(self, arg):
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292 xml_dom = None
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diff changeset
293 logger.note("message handler thread running...", ORPG_NOTE)
0
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294 while self.alive or self.status == 'connected':
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295 data = None
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296 try:
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297 data = self.inbox.get(0)
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298 except Queue.Empty:
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299 time.sleep(0.25) #sleep 1/4 second
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300 continue
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301 bytes = len(data)
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302 if bytes < 5:
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303 continue
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304 try:
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305 thread.start_new_thread(self.parse_incoming_dom,(str(data),))
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306 #data has been passed... unlink from the variable references
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307 #so data in passed objects doesn't change (python passes by reference)
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308 del data
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309 data = None
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310 except Exception, e:
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diff changeset
311 logger.general(traceback.format_exc())
0
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312 if xml_dom: xml_dom.unlink()
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diff changeset
313 if xml_dom: xml_dom.unlink()
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diff changeset
314 logger.note("message handler thread exiting...")
0
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315 self.inbox_event.set()
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316
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317 def parse_incoming_dom(self, data):
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318 #print data
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319 xml_dom = None
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320 try:
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diff changeset
321 xml_dom = component.get("xml").parseXml(data)
0
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322 xml_dom = xml_dom._get_documentElement()
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diff changeset
323 self.message_action(xml_dom, data)
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parents:
diff changeset
324
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diff changeset
325 except Exception, e:
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diff changeset
326 logger.general("Error in parse of inbound message. Ignoring message.")
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diff changeset
327 logger.general("\tOffending data(" + str(len(data)) + "bytes)=" + data)
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diff changeset
328 logger.general("Exception=" + traceback.format_exc())
0
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diff changeset
329 if xml_dom: xml_dom.unlink()
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330
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331 def message_action(self, xml_dom, data):
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parents:
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332 tag_name = xml_dom._get_tagName()
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parents:
diff changeset
333 if self.msg_handlers.has_key(tag_name):
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diff changeset
334 self.msg_handlers[tag_name](xml_dom, data)
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diff changeset
335 else:
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diff changeset
336 logger.general("Unknown Message Type")
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diff changeset
337 logger.general(data)
0
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338 #Message Action thread expires and closes here.
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339 return
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340
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341 #Privet functions
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342 def sendThread( self, arg ):
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343 "Sending thread. This thread reads from the data queue and writes to the socket."
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344 # Wait to be told it's okay to start running
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diff changeset
345 self.startedEvent.wait()
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346
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347 # Loop as long as we have a connection
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diff changeset
348 while( self.get_status() == 'connected' ):
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parents:
diff changeset
349 try:
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350 readMsg = self.outbox.get( block=1 )
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parents:
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351
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parents:
diff changeset
352 except Exception, text:
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diff changeset
353 logger.exception("Exception: messenger->sendThread(): " + str(text)
0
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parents:
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354
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355 # If we are here, it's because we have data to send, no doubt!
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parents:
diff changeset
356 if self.status == 'connected':
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parents:
diff changeset
357 try:
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parents:
diff changeset
358 # Send the entire message, properly formated/encoded
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parents:
diff changeset
359 sent = self.sendMsg( self.sock, readMsg )
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parents:
diff changeset
360 except:
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diff changeset
361 logger.exception("Exception: messenger->sendThread():\n" + traceback.format_exc()
0
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parents:
diff changeset
362 else:
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diff changeset
363 # If we are not connected, purge the data queue
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diff changeset
364 logger.note("Data queued without a connection, purging data from queue...")
0
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diff changeset
365 self.sendThreadExitEvent.set()
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diff changeset
366 logger.note( "sendThread has terminated...")
0
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parents:
diff changeset
367
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368 def sendMsg( self, sock, msg ):
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369 """Very simple function that will properly encode and send a message to te
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diff changeset
370 remote on the specified socket."""
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371
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parents:
diff changeset
372 # Calculate our message length
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parents:
diff changeset
373 length = len( msg )
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parents:
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374
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parents:
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375 # Encode the message length into network byte order
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parents:
diff changeset
376 lp = pack( 'i', socket.htonl( length ) )
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sirebral
parents:
diff changeset
377
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sirebral
parents:
diff changeset
378 try:
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sirebral
parents:
diff changeset
379 # Send the encoded length
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parents:
diff changeset
380 sentl = sock.send( lp )
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sirebral
parents:
diff changeset
381
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parents:
diff changeset
382 # Now, send the message the the length was describing
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parents:
diff changeset
383 sentm = sock.send( msg )
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sirebral
parents:
diff changeset
384 if self.isServer:
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parents: 90
diff changeset
385 logger.debug("('data_sent', " + str(sentl+sentm) + ")")
0
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parents:
diff changeset
386 return sentm
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parents:
diff changeset
387 except socket.error, e:
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diff changeset
388 logger.exception("Socket Error: messenger->sendMsg(): " + traceback.format_exc())
0
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parents:
diff changeset
389 except:
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parents: 90
diff changeset
390 logger.exception("Exception: messenger->sendMsg(): " + traceback.format_exc())
0
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sirebral
parents:
diff changeset
391
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parents:
diff changeset
392 def recvThread( self, arg ):
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parents:
diff changeset
393 "Receiving thread. This thread reads from the socket and writes to the data queue."
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sirebral
parents:
diff changeset
394
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sirebral
parents:
diff changeset
395 # Wait to be told it's okay to start running
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parents:
diff changeset
396 self.startedEvent.wait()
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sirebral
parents:
diff changeset
397 while( self.get_status() == 'connected' ):
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sirebral
parents:
diff changeset
398 readMsg = self.recvMsg( self.sock )
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sirebral
parents:
diff changeset
399
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sirebral
parents:
diff changeset
400 # Make sure we didn't get disconnected
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sirebral
parents:
diff changeset
401 bytes = len( readMsg )
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sirebral
parents:
diff changeset
402 if bytes == 0:
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sirebral
parents:
diff changeset
403 break
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sirebral
parents:
diff changeset
404
4385a7d0efd1 Deleted and repushed it with the 'grumpy-goblin' branch. I forgot a y
sirebral
parents:
diff changeset
405 # Check the length of the message
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sirebral
parents:
diff changeset
406 bytes = len( readMsg )
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sirebral
parents:
diff changeset
407
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sirebral
parents:
diff changeset
408 # Make sure we are still connected
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sirebral
parents:
diff changeset
409 if bytes == 0:
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sirebral
parents:
diff changeset
410 break
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sirebral
parents:
diff changeset
411 else:
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sirebral
parents:
diff changeset
412 # Pass along the message so it can be processed
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sirebral
parents:
diff changeset
413 self.inbox.put( readMsg )
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sirebral
parents:
diff changeset
414 self.update_idle_time() #update the last message time
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sirebral
parents:
diff changeset
415 if bytes == 0:
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parents: 90
diff changeset
416 logger.note("Remote has disconnected!")
0
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417 self.set_status(2)
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418 self.outbox.put( "" ) # Make sure the other thread is woken up!
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419 self.sendThreadExitEvent.set()
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420 logger.note("messenger->recvThread() has terminated...")
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421
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422 def recvData( self, sock, readSize ):
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423 """Simple socket receive method. This method will only return when the exact
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424 byte count has been read from the connection, if remote terminates our
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425 connection or we get some other socket exception."""
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426 data = ""
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427 offset = 0
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428 try:
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429 while offset != readSize:
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430 frag = sock.recv( readSize - offset )
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431
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432 # See if we've been disconnected
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433 rs = len( frag )
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434 if rs <= 0:
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435 # Loudly raise an exception because we've been disconnected!
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436 raise IOError, "Remote closed the connection!"
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437 else:
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438 # Continue to build complete message
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439 offset += rs
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440 data += frag
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441 except socket.error, e:
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442 logger.exception("Socket Error: messenger->recvData(): " + str(e))
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443 data = ""
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444 return data
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445
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446 def recvMsg( self, sock ):
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447 """This method now expects to receive a message having a 4-byte prefix length. It will ONLY read
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448 completed messages. In the event that the remote's connection is terminated, it will throw an
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449 exception which should allow for the caller to more gracefully handles this exception event.
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450
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451 Because we use strictly reading ONLY based on the length that is told to use, we no longer have to
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452 worry about partially adjusting for fragmented buffers starting somewhere within a buffer that we've
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453 read. Rather, it will get ONLY a whole message and nothing more. Everything else will remain buffered
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454 with the OS until we attempt to read the next complete message."""
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455
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456 msgData = ""
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457 try:
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458 lenData = self.recvData( sock, self.lensize )
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459
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460 # Now, convert to a usable form
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461 (length,) = unpack( 'i', lenData )
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462 length = socket.ntohl( length )
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463
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464 # Read exactly the remaining amount of data
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465 msgData = self.recvData( sock, length )
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466
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467 if self.isServer:
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468 logger.debug("('data_recv', " + str(length+4) + ")")
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469 except:
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470 logger.exception("Exception: messenger->recvMsg():\n" + traceback.format_exc())
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471 return msgData
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472
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473 if __name__ == "__main__":
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474 test = messenger(None)
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475 print test.build_message('hello', "This is a test message", attrib1="hello world", attrib2="hello world2", attrib3="hello world3")