Mercurial > traipse
annotate orpg/networking/mplay_messaging.py @ 18:97265586402b ornery-orc
Traipse 'OpenRPG' {090827-00}
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:
Update Manager is now in version 0.8. While not every button works, users can now browse the different revisions and their different changesets. The code has been refined some with feature from Core added to it. A Crash report is now created if the users software crashes. Update Manager has been moved to the Traipse Suite menu item, and a Debug Console as been added as well.
author | sirebral |
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date | Thu, 27 Aug 2009 01:04:43 -0500 |
parents | 4385a7d0efd1 |
children | ff154cf3350c |
rev | line source |
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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 * |
18 | 39 from orpg.orpg_version import VERSION, PROTOCOL_VERSION, CLIENT_STRING, SERVER_MIN_CLIENT_VERSION |
0
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40 import os |
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41 import time |
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42 |
18 | 43 from orpg.tools.orpg_log import logger |
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): |
18 | 51 #self.xml = component.get("xml") used once, no need for the object. |
52 self.dir_struct = component.get("dir_struct") #used? | |
53 self.validate = component.get("validate") #used?? | |
54 #self.settings = component.get("settings") ## used once, no need for the object. | |
0
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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() |
18 | 67 self.port = int(component.get("settings").get_setting("port")) ##used even? |
0
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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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135 message += ' />' |
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136 return message |
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137 |
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138 def disconnect(self): |
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139 self.set_status(2) |
18 | 140 logger.debug("client stub " + self.ip +" disconnecting...") |
141 logger.debug("closing sockets...") | |
0
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142 try: |
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143 self.sock.shutdown( 2 ) |
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144 except: |
18 | 145 logger.general("Caught exception:\n" + traceback.format_exc()) |
0
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146 self.set_status(0) |
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147 |
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148 def reset(self, sock): |
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149 self.disconnect() |
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150 self.sock = sock |
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151 self.initialize_threads() |
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152 |
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153 def update_role(self, role): |
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154 self.useroles = 1 |
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155 self.role = role |
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156 |
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157 def use_roles(self): |
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158 return self.useroles |
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159 |
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160 def update_self_from_player(self, player): |
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161 try: |
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162 (self.name, self.ip, self.id, self.text_status, self.version, self.protocol_version, self.client_string,role) = player |
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163 except: |
18 | 164 logger.general("Exception: messenger->update_self_from_player():\n" + traceback.format_exc()) |
0
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165 |
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166 def toxml(self, act): |
18 | 167 logger.exception("DEPRECIATED! messenger->toxml()") |
0
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168 xml_data = self.build_message('player', |
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169 name=myescape(self.name), |
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170 action=act, |
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171 id=self.id, |
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172 group_id=self.group_id, |
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173 ip=self.ip, |
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174 status=self.text_status, |
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175 version=self.version, |
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176 protocol_version=self.protocol_version, |
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177 client_string=self.client_string |
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178 ) |
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179 return xml_data |
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180 |
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181 def get_status(self): |
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182 self.statLock.acquire() |
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183 status = self.status |
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184 self.statLock.release() |
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185 return status |
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186 |
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187 def my_role(self): |
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188 return self.role |
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189 |
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190 def set_status(self, status): |
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191 self.statLock.acquire() |
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192 self.status = status |
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193 self.statLock.release() |
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194 |
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195 def initialize_threads(self): |
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196 "Starts up our threads (2) and waits for them to make sure they are running!" |
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197 self.status = 'connected' |
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198 self.sock.setblocking(1) |
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199 |
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200 # Confirm that our threads have started |
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201 thread.start_new_thread( self.sendThread,(0,) ) |
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202 thread.start_new_thread( self.recvThread,(0,) ) |
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203 self.startedEvent.set() |
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204 |
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205 def __str__(self): |
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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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207 |
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208 # idle time functions added by snowdog 3/31/04 |
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209 def update_idle_time(self): |
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210 self.lastmessagetime = time.time() |
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211 |
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212 def idle_time(self): |
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213 curtime = time.time() |
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214 idletime = curtime - self.lastmessagetime |
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215 return idletime |
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216 |
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217 def idle_status(self): |
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218 idletime = self.idle_time() |
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219 idlemins = idletime / 60 |
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220 status = "Unknown" |
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221 if idlemins < 3: |
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222 status = "Active" |
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223 elif idlemins < 10: |
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224 status = "Idle ("+str(int(idlemins))+" mins)" |
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225 else: |
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226 status = "Inactive ("+str(int(idlemins))+" mins)" |
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227 return status |
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228 |
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229 def connected_time(self): |
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230 curtime = time.time() |
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231 timeoffset = curtime - self.connecttime |
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232 return timeoffset |
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233 |
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234 def connected_time_string(self): |
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235 "returns the time client has been connected as a formated time string" |
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236 ct = self.connected_time() |
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237 d = int(ct/86400) |
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238 h = int( (ct-(86400*d))/3600 ) |
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239 m = int( (ct-(86400*d)-(3600*h))/60) |
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240 s = int( (ct-(86400*d)-(3600*h)-(60*m)) ) |
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241 cts = zfill(d,2)+":"+zfill(h,2)+":"+zfill(m,2)+":"+zfill(s,2) |
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242 return cts |
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243 |
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244 def clear_timeout(self): |
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245 self.timeout_time = None |
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246 |
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247 def check_time_out(self): |
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248 if self.timeout_time==None: |
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249 self.timeout_time = time.time() |
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250 curtime = time.time() |
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251 diff = curtime - self.timeout_time |
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252 if diff > 1800: |
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253 return 1 |
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254 else: |
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255 return 0 |
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256 |
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257 def send(self, msg): |
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258 if self.get_status() == 'connected': |
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259 self.outbox.put(msg) |
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260 |
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261 def change_group(self, group_id, groups): |
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262 old_group_id = str(self.group_id) |
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263 groups[group_id].add_player(self.id) |
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264 groups[old_group_id].remove_player(self.id) |
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265 self.group_id = group_id |
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266 self.outbox.put(self.toxml('group')) |
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267 msg = groups[group_id].game_map.get_all_xml() |
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268 self.send(msg) |
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269 return old_group_id |
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270 |
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271 def take_dom(self, xml_dom): |
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272 self.name = xml_dom.getAttribute("name") |
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273 self.text_status = xml_dom.getAttribute("status") |
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274 |
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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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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 |
18 | 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: |
18 | 311 logger.general(traceback.format_exc()) |
0
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312 if xml_dom: xml_dom.unlink() |
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313 if xml_dom: xml_dom.unlink() |
18 | 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: |
18 | 321 xml_dom = component.get("xml").parseXml(data) |
0
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322 xml_dom = xml_dom._get_documentElement() |
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323 self.message_action(xml_dom, data) |
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324 |
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325 except Exception, e: |
18 | 326 logger.general("Error in parse of inbound message. Ignoring message.") |
327 logger.general("\tOffending data(" + str(len(data)) + "bytes)=" + data) | |
328 logger.general("Exception=" + traceback.format_exc()) | |
0
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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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332 tag_name = xml_dom._get_tagName() |
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333 if self.msg_handlers.has_key(tag_name): |
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334 self.msg_handlers[tag_name](xml_dom, data) |
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335 else: |
18 | 336 logger.general("Unknown Message Type") |
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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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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348 while( self.get_status() == 'connected' ): |
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349 try: |
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350 readMsg = self.outbox.get( block=1 ) |
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351 |
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352 except Exception, text: |
18 | 353 logger.exception("Exception: messenger->sendThread(): " + str(text) |
0
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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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356 if self.status == 'connected': |
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357 try: |
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358 # Send the entire message, properly formated/encoded |
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359 sent = self.sendMsg( self.sock, readMsg ) |
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360 except: |
18 | 361 logger.exception("Exception: messenger->sendThread():\n" + traceback.format_exc() |
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362 else: |
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363 # If we are not connected, purge the data queue |
18 | 364 logger.note("Data queued without a connection, purging data from queue...") |
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365 self.sendThreadExitEvent.set() |
18 | 366 logger.note( "sendThread has terminated...") |
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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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370 remote on the specified socket.""" |
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371 |
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372 # Calculate our message length |
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373 length = len( msg ) |
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374 |
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375 # Encode the message length into network byte order |
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376 lp = pack( 'i', socket.htonl( length ) ) |
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377 |
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378 try: |
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379 # Send the encoded length |
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380 sentl = sock.send( lp ) |
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381 |
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382 # Now, send the message the the length was describing |
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383 sentm = sock.send( msg ) |
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384 if self.isServer: |
18 | 385 logger.debug("('data_sent', " + str(sentl+sentm) + ")") |
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386 return sentm |
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387 except socket.error, e: |
18 | 388 logger.exception("Socket Error: messenger->sendMsg(): " + traceback.format_exc()) |
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389 except: |
18 | 390 logger.exception("Exception: messenger->sendMsg(): " + traceback.format_exc()) |
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391 |
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392 def recvThread( self, arg ): |
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393 "Receiving thread. This thread reads from the socket and writes to the data queue." |
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394 |
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395 # Wait to be told it's okay to start running |
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396 self.startedEvent.wait() |
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397 while( self.get_status() == 'connected' ): |
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398 readMsg = self.recvMsg( self.sock ) |
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399 |
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400 # Make sure we didn't get disconnected |
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401 bytes = len( readMsg ) |
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402 if bytes == 0: |
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403 break |
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404 |
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405 # Check the length of the message |
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406 bytes = len( readMsg ) |
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407 |
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408 # Make sure we are still connected |
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409 if bytes == 0: |
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410 break |
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411 else: |
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412 # Pass along the message so it can be processed |
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413 self.inbox.put( readMsg ) |
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414 self.update_idle_time() #update the last message time |
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415 if bytes == 0: |
18 | 416 logger.note("Remote has disconnected!") |
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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() |
18 | 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: |
18 | 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: |
18 | 468 logger.debug("('data_recv', " + str(length+4) + ")") |
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469 except: |
18 | 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") |