Cooperation/Connection.py

Sat, 07 Apr 2012 21:19:24 +0200

author
Detlev Offenbach <detlev@die-offenbachs.de>
date
Sat, 07 Apr 2012 21:19:24 +0200
changeset 1770
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parent 1509
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child 2285
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permissions
-rw-r--r--

Added a tool to take screenshots (fullscreen or rectangular selection).

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1 # -*- coding: utf-8 -*-
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2
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3 # Copyright (c) 2010 - 2012 Detlev Offenbach <detlev@die-offenbachs.de>
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4 #
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5
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6 """
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7 Module implementing a class representing a peer connection.
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8 """
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9
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10 from PyQt4.QtCore import pyqtSignal, QTimer, QTime, QByteArray
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11 from PyQt4.QtNetwork import QTcpSocket
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12
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13 from E5Gui import E5MessageBox
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14 from E5Gui.E5Application import e5App
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15
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16 import Preferences
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17
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18 MaxBufferSize = 1024 * 1024
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19 TransferTimeout = 30 * 1000
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20 PongTimeout = 60 * 1000
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21 PingInterval = 5 * 1000
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22 SeparatorToken = '|||'
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23
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24
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25 class Connection(QTcpSocket):
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26 """
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27 Class representing a peer connection.
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28
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29 @signal readyForUse() emitted when the connection is ready for use
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30 @signal newMessage(user, message) emitted after a new message has
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31 arrived (string, string)
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32 @signal getParticipants() emitted after a get participants message has arrived
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33 @signal participants(participants) emitted after the list of participants has
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34 arrived (list of strings of "host:port")
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35 """
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36 WaitingForGreeting = 0
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37 ReadingGreeting = 1
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38 ReadyForUse = 2
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39
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40 PlainText = 0
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41 Ping = 1
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42 Pong = 2
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43 Greeting = 3
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44 GetParticipants = 4
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45 Participants = 5
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46 Editor = 6
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47 Undefined = 99
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48
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49 ProtocolMessage = "MESSAGE"
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50 ProtocolPing = "PING"
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51 ProtocolPong = "PONG"
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52 ProtocolGreeting = "GREETING"
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53 ProtocolGetParticipants = "GET_PARTICIPANTS"
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54 ProtocolParticipants = "PARTICIPANTS"
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55 ProtocolEditor = "EDITOR"
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56
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57 readyForUse = pyqtSignal()
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58 newMessage = pyqtSignal(str, str)
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59 getParticipants = pyqtSignal()
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60 participants = pyqtSignal(list)
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61 editorCommand = pyqtSignal(str, str, str)
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62 rejected = pyqtSignal(str)
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63
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64 def __init__(self, parent=None):
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65 """
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66 Constructor
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67
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68 @param parent referenec to the parent object (QObject)
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69 """
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70 super().__init__(parent)
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71
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72 self.__greetingMessage = self.trUtf8("undefined")
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73 self.__username = self.trUtf8("unknown")
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74 self.__serverPort = 0
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75 self.__state = Connection.WaitingForGreeting
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76 self.__currentDataType = Connection.Undefined
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77 self.__numBytesForCurrentDataType = -1
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78 self.__transferTimerId = 0
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79 self.__isGreetingMessageSent = False
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80 self.__pingTimer = QTimer(self)
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81 self.__pingTimer.setInterval(PingInterval)
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82 self.__pongTime = QTime()
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83 self.__buffer = QByteArray()
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84 self.__client = None
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85
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86 self.readyRead.connect(self.__processReadyRead)
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87 self.disconnected.connect(self.__disconnected)
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88 self.__pingTimer.timeout.connect(self.__sendPing)
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89 self.connected.connect(self.__sendGreetingMessage)
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90
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91 def name(self):
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92 """
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93 Public method to get the connection name.
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94
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95 @return connection name (string)
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96 """
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97 return self.__username
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98
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99 def serverPort(self):
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100 """
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101 Public method to get the server port.
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102
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103 @return server port (integer)
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104 """
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105 return self.__serverPort
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106
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107 def setClient(self, client):
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108 """
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109 Public method to set the reference to the cooperation client.
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110
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111 @param client reference to the cooperation client (CooperationClient)
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112 """
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113 self.__client = client
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114
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115 def setGreetingMessage(self, message, serverPort):
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116 """
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117 Public method to set the greeting message.
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118
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119 @param message greeting message (string)
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120 """
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121 self.__greetingMessage = "{0}:{1}".format(message, serverPort)
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122
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123 def sendMessage(self, message):
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124 """
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125 Public method to send a message.
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126
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127 @param message message to be sent (string)
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128 @return flag indicating a successful send (boolean)
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129 """
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130 if message == "":
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131 return False
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132
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parents:
diff changeset
133 msg = QByteArray(message.encode("utf-8"))
a134031209be Added stage 1 of the cooperation functions (chat system).
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
134 data = QByteArray("{0}{1}{2}{1}".format(
a134031209be Added stage 1 of the cooperation functions (chat system).
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
135 Connection.ProtocolMessage, SeparatorToken, msg.size())) + msg
a134031209be Added stage 1 of the cooperation functions (chat system).
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
136 return self.write(data) == data.size()
a134031209be Added stage 1 of the cooperation functions (chat system).
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
137
a134031209be Added stage 1 of the cooperation functions (chat system).
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
138 def timerEvent(self, evt):
a134031209be Added stage 1 of the cooperation functions (chat system).
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
139 """
a134031209be Added stage 1 of the cooperation functions (chat system).
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
140 Protected method to handle timer events.
a134031209be Added stage 1 of the cooperation functions (chat system).
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
141
a134031209be Added stage 1 of the cooperation functions (chat system).
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
142 @param evt reference to the timer event (QTimerEvent)
a134031209be Added stage 1 of the cooperation functions (chat system).
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
143 """
a134031209be Added stage 1 of the cooperation functions (chat system).
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
144 if evt.timerId() == self.__transferTimerId:
a134031209be Added stage 1 of the cooperation functions (chat system).
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
145 self.abort()
a134031209be Added stage 1 of the cooperation functions (chat system).
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
146 self.killTimer(self.__transferTimerId)
a134031209be Added stage 1 of the cooperation functions (chat system).
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
147 self.__transferTimerId = 0
a134031209be Added stage 1 of the cooperation functions (chat system).
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
148
a134031209be Added stage 1 of the cooperation functions (chat system).
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
149 def __processReadyRead(self):
a134031209be Added stage 1 of the cooperation functions (chat system).
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
150 """
a134031209be Added stage 1 of the cooperation functions (chat system).
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
151 Private slot to handle the readyRead signal.
a134031209be Added stage 1 of the cooperation functions (chat system).
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
152 """
a134031209be Added stage 1 of the cooperation functions (chat system).
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
153 if self.__state == Connection.WaitingForGreeting:
a134031209be Added stage 1 of the cooperation functions (chat system).
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
154 if not self.__readProtocolHeader():
a134031209be Added stage 1 of the cooperation functions (chat system).
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
155 return
a134031209be Added stage 1 of the cooperation functions (chat system).
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
156 if self.__currentDataType != Connection.Greeting:
a134031209be Added stage 1 of the cooperation functions (chat system).
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
157 self.abort()
a134031209be Added stage 1 of the cooperation functions (chat system).
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
158 return
a134031209be Added stage 1 of the cooperation functions (chat system).
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
159 self.__state = Connection.ReadingGreeting
a134031209be Added stage 1 of the cooperation functions (chat system).
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
160
a134031209be Added stage 1 of the cooperation functions (chat system).
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
161 if self.__state == Connection.ReadingGreeting:
a134031209be Added stage 1 of the cooperation functions (chat system).
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
162 if not self.__hasEnoughData():
a134031209be Added stage 1 of the cooperation functions (chat system).
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
163 return
a134031209be Added stage 1 of the cooperation functions (chat system).
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
164
a134031209be Added stage 1 of the cooperation functions (chat system).
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
165 self.__buffer = QByteArray(self.read(self.__numBytesForCurrentDataType))
a134031209be Added stage 1 of the cooperation functions (chat system).
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
166 if self.__buffer.size() != self.__numBytesForCurrentDataType:
a134031209be Added stage 1 of the cooperation functions (chat system).
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
167 self.abort()
a134031209be Added stage 1 of the cooperation functions (chat system).
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
168 return
a134031209be Added stage 1 of the cooperation functions (chat system).
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
169
162
28f235c426c4 Added functionality to cut/copy/... the chat and to interactively accept/reject connections.
Detlev Offenbach <detlev@die-offenbachs.de>
parents: 155
diff changeset
170 try:
945
8cd4d08fa9f6 Made code mostly PEP 8 compliant (except all whitespace and line length).
Detlev Offenbach <detlev@die-offenbachs.de>
parents: 791
diff changeset
171 user, serverPort = str(self.__buffer, encoding="utf-8").split(":")
162
28f235c426c4 Added functionality to cut/copy/... the chat and to interactively accept/reject connections.
Detlev Offenbach <detlev@die-offenbachs.de>
parents: 155
diff changeset
172 except ValueError:
28f235c426c4 Added functionality to cut/copy/... the chat and to interactively accept/reject connections.
Detlev Offenbach <detlev@die-offenbachs.de>
parents: 155
diff changeset
173 self.abort()
28f235c426c4 Added functionality to cut/copy/... the chat and to interactively accept/reject connections.
Detlev Offenbach <detlev@die-offenbachs.de>
parents: 155
diff changeset
174 return
149
a134031209be Added stage 1 of the cooperation functions (chat system).
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
175 self.__serverPort = int(serverPort)
162
28f235c426c4 Added functionality to cut/copy/... the chat and to interactively accept/reject connections.
Detlev Offenbach <detlev@die-offenbachs.de>
parents: 155
diff changeset
176
1221
291dc0a51947 Added code to the cooperation functions to support IPv6.
Detlev Offenbach <detlev@die-offenbachs.de>
parents: 1131
diff changeset
177 self.__username = "{0}@{1}@{2}".format(
945
8cd4d08fa9f6 Made code mostly PEP 8 compliant (except all whitespace and line length).
Detlev Offenbach <detlev@die-offenbachs.de>
parents: 791
diff changeset
178 user,
8cd4d08fa9f6 Made code mostly PEP 8 compliant (except all whitespace and line length).
Detlev Offenbach <detlev@die-offenbachs.de>
parents: 791
diff changeset
179 self.peerAddress().toString(),
149
a134031209be Added stage 1 of the cooperation functions (chat system).
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
180 self.peerPort()
a134031209be Added stage 1 of the cooperation functions (chat system).
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
181 )
a134031209be Added stage 1 of the cooperation functions (chat system).
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
182 self.__currentDataType = Connection.Undefined
a134031209be Added stage 1 of the cooperation functions (chat system).
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
183 self.__numBytesForCurrentDataType = 0
a134031209be Added stage 1 of the cooperation functions (chat system).
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
184 self.__buffer.clear()
a134031209be Added stage 1 of the cooperation functions (chat system).
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
185
a134031209be Added stage 1 of the cooperation functions (chat system).
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
186 if not self.isValid():
a134031209be Added stage 1 of the cooperation functions (chat system).
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
187 self.abort()
a134031209be Added stage 1 of the cooperation functions (chat system).
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
188 return
a134031209be Added stage 1 of the cooperation functions (chat system).
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
189
165
3302a726fd1e Added functionality to kick and ban users and to manage banned users.
Detlev Offenbach <detlev@die-offenbachs.de>
parents: 164
diff changeset
190 bannedName = "{0}@{1}".format(
945
8cd4d08fa9f6 Made code mostly PEP 8 compliant (except all whitespace and line length).
Detlev Offenbach <detlev@die-offenbachs.de>
parents: 791
diff changeset
191 user,
165
3302a726fd1e Added functionality to kick and ban users and to manage banned users.
Detlev Offenbach <detlev@die-offenbachs.de>
parents: 164
diff changeset
192 self.peerAddress().toString()
3302a726fd1e Added functionality to kick and ban users and to manage banned users.
Detlev Offenbach <detlev@die-offenbachs.de>
parents: 164
diff changeset
193 )
3302a726fd1e Added functionality to kick and ban users and to manage banned users.
Detlev Offenbach <detlev@die-offenbachs.de>
parents: 164
diff changeset
194 Preferences.syncPreferences()
3302a726fd1e Added functionality to kick and ban users and to manage banned users.
Detlev Offenbach <detlev@die-offenbachs.de>
parents: 164
diff changeset
195 if bannedName in Preferences.getCooperation("BannedUsers"):
3302a726fd1e Added functionality to kick and ban users and to manage banned users.
Detlev Offenbach <detlev@die-offenbachs.de>
parents: 164
diff changeset
196 self.rejected.emit(
3302a726fd1e Added functionality to kick and ban users and to manage banned users.
Detlev Offenbach <detlev@die-offenbachs.de>
parents: 164
diff changeset
197 self.trUtf8("* Connection attempted by banned user '{0}'.")\
3302a726fd1e Added functionality to kick and ban users and to manage banned users.
Detlev Offenbach <detlev@die-offenbachs.de>
parents: 164
diff changeset
198 .format(bannedName))
3302a726fd1e Added functionality to kick and ban users and to manage banned users.
Detlev Offenbach <detlev@die-offenbachs.de>
parents: 164
diff changeset
199 self.abort()
3302a726fd1e Added functionality to kick and ban users and to manage banned users.
Detlev Offenbach <detlev@die-offenbachs.de>
parents: 164
diff changeset
200 return
3302a726fd1e Added functionality to kick and ban users and to manage banned users.
Detlev Offenbach <detlev@die-offenbachs.de>
parents: 164
diff changeset
201
162
28f235c426c4 Added functionality to cut/copy/... the chat and to interactively accept/reject connections.
Detlev Offenbach <detlev@die-offenbachs.de>
parents: 155
diff changeset
202 if self.__serverPort != self.peerPort() and \
28f235c426c4 Added functionality to cut/copy/... the chat and to interactively accept/reject connections.
Detlev Offenbach <detlev@die-offenbachs.de>
parents: 155
diff changeset
203 not Preferences.getCooperation("AutoAcceptConnections"):
945
8cd4d08fa9f6 Made code mostly PEP 8 compliant (except all whitespace and line length).
Detlev Offenbach <detlev@die-offenbachs.de>
parents: 791
diff changeset
204 # don't ask for reverse connections or
162
28f235c426c4 Added functionality to cut/copy/... the chat and to interactively accept/reject connections.
Detlev Offenbach <detlev@die-offenbachs.de>
parents: 155
diff changeset
205 # if we shall accept automatically
541
00e1a5d060c5 Continued replacing QMessageBox methods with own methods.
Detlev Offenbach <detlev@die-offenbachs.de>
parents: 538
diff changeset
206 res = E5MessageBox.yesNo(None,
162
28f235c426c4 Added functionality to cut/copy/... the chat and to interactively accept/reject connections.
Detlev Offenbach <detlev@die-offenbachs.de>
parents: 155
diff changeset
207 self.trUtf8("New Connection"),
28f235c426c4 Added functionality to cut/copy/... the chat and to interactively accept/reject connections.
Detlev Offenbach <detlev@die-offenbachs.de>
parents: 155
diff changeset
208 self.trUtf8("""<p>Accept connection from """
28f235c426c4 Added functionality to cut/copy/... the chat and to interactively accept/reject connections.
Detlev Offenbach <detlev@die-offenbachs.de>
parents: 155
diff changeset
209 """<strong>{0}@{1}</strong>?</p>""").format(
28f235c426c4 Added functionality to cut/copy/... the chat and to interactively accept/reject connections.
Detlev Offenbach <detlev@die-offenbachs.de>
parents: 155
diff changeset
210 user, self.peerAddress().toString()),
945
8cd4d08fa9f6 Made code mostly PEP 8 compliant (except all whitespace and line length).
Detlev Offenbach <detlev@die-offenbachs.de>
parents: 791
diff changeset
211 yesDefault=True)
541
00e1a5d060c5 Continued replacing QMessageBox methods with own methods.
Detlev Offenbach <detlev@die-offenbachs.de>
parents: 538
diff changeset
212 if not res:
162
28f235c426c4 Added functionality to cut/copy/... the chat and to interactively accept/reject connections.
Detlev Offenbach <detlev@die-offenbachs.de>
parents: 155
diff changeset
213 self.abort()
28f235c426c4 Added functionality to cut/copy/... the chat and to interactively accept/reject connections.
Detlev Offenbach <detlev@die-offenbachs.de>
parents: 155
diff changeset
214 return
28f235c426c4 Added functionality to cut/copy/... the chat and to interactively accept/reject connections.
Detlev Offenbach <detlev@die-offenbachs.de>
parents: 155
diff changeset
215
1221
291dc0a51947 Added code to the cooperation functions to support IPv6.
Detlev Offenbach <detlev@die-offenbachs.de>
parents: 1131
diff changeset
216 if self.__client is not None:
291dc0a51947 Added code to the cooperation functions to support IPv6.
Detlev Offenbach <detlev@die-offenbachs.de>
parents: 1131
diff changeset
217 chatWidget = self.__client.chatWidget()
291dc0a51947 Added code to the cooperation functions to support IPv6.
Detlev Offenbach <detlev@die-offenbachs.de>
parents: 1131
diff changeset
218 if chatWidget is not None and not chatWidget.isVisible():
291dc0a51947 Added code to the cooperation functions to support IPv6.
Detlev Offenbach <detlev@die-offenbachs.de>
parents: 1131
diff changeset
219 e5App().getObject("UserInterface").activateCooperationViewer()
291dc0a51947 Added code to the cooperation functions to support IPv6.
Detlev Offenbach <detlev@die-offenbachs.de>
parents: 1131
diff changeset
220
149
a134031209be Added stage 1 of the cooperation functions (chat system).
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
221 if not self.__isGreetingMessageSent:
a134031209be Added stage 1 of the cooperation functions (chat system).
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
222 self.__sendGreetingMessage()
a134031209be Added stage 1 of the cooperation functions (chat system).
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
223
a134031209be Added stage 1 of the cooperation functions (chat system).
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
224 self.__pingTimer.start()
a134031209be Added stage 1 of the cooperation functions (chat system).
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
225 self.__pongTime.start()
a134031209be Added stage 1 of the cooperation functions (chat system).
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
226 self.__state = Connection.ReadyForUse
a134031209be Added stage 1 of the cooperation functions (chat system).
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
227 self.readyForUse.emit()
a134031209be Added stage 1 of the cooperation functions (chat system).
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
228
a134031209be Added stage 1 of the cooperation functions (chat system).
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
229 while self.bytesAvailable():
a134031209be Added stage 1 of the cooperation functions (chat system).
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
230 if self.__currentDataType == Connection.Undefined:
a134031209be Added stage 1 of the cooperation functions (chat system).
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
231 if not self.__readProtocolHeader():
a134031209be Added stage 1 of the cooperation functions (chat system).
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
232 return
a134031209be Added stage 1 of the cooperation functions (chat system).
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
233
a134031209be Added stage 1 of the cooperation functions (chat system).
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
234 if not self.__hasEnoughData():
a134031209be Added stage 1 of the cooperation functions (chat system).
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
235 return
a134031209be Added stage 1 of the cooperation functions (chat system).
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
236
a134031209be Added stage 1 of the cooperation functions (chat system).
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
237 self.__processData()
a134031209be Added stage 1 of the cooperation functions (chat system).
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
238
a134031209be Added stage 1 of the cooperation functions (chat system).
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
239 def __sendPing(self):
a134031209be Added stage 1 of the cooperation functions (chat system).
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
240 """
a134031209be Added stage 1 of the cooperation functions (chat system).
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
241 Private slot to send a ping message.
a134031209be Added stage 1 of the cooperation functions (chat system).
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
242 """
a134031209be Added stage 1 of the cooperation functions (chat system).
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
243 if self.__pongTime.elapsed() > PongTimeout:
a134031209be Added stage 1 of the cooperation functions (chat system).
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
244 self.abort()
a134031209be Added stage 1 of the cooperation functions (chat system).
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
245 return
a134031209be Added stage 1 of the cooperation functions (chat system).
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
246
a134031209be Added stage 1 of the cooperation functions (chat system).
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
247 self.write("{0}{1}1{1}p".format(Connection.ProtocolPing, SeparatorToken))
a134031209be Added stage 1 of the cooperation functions (chat system).
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
248
a134031209be Added stage 1 of the cooperation functions (chat system).
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
249 def __sendGreetingMessage(self):
a134031209be Added stage 1 of the cooperation functions (chat system).
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
250 """
a134031209be Added stage 1 of the cooperation functions (chat system).
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
251 Private slot to send a greeting message.
a134031209be Added stage 1 of the cooperation functions (chat system).
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
252 """
a134031209be Added stage 1 of the cooperation functions (chat system).
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
253 greeting = QByteArray(self.__greetingMessage.encode("utf-8"))
a134031209be Added stage 1 of the cooperation functions (chat system).
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
254 data = QByteArray("{0}{1}{2}{1}".format(
a134031209be Added stage 1 of the cooperation functions (chat system).
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
255 Connection.ProtocolGreeting, SeparatorToken, greeting.size())) + greeting
a134031209be Added stage 1 of the cooperation functions (chat system).
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
256 if self.write(data) == data.size():
a134031209be Added stage 1 of the cooperation functions (chat system).
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
257 self.__isGreetingMessageSent = True
a134031209be Added stage 1 of the cooperation functions (chat system).
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
258
945
8cd4d08fa9f6 Made code mostly PEP 8 compliant (except all whitespace and line length).
Detlev Offenbach <detlev@die-offenbachs.de>
parents: 791
diff changeset
259 def __readDataIntoBuffer(self, maxSize=MaxBufferSize):
149
a134031209be Added stage 1 of the cooperation functions (chat system).
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
260 """
a134031209be Added stage 1 of the cooperation functions (chat system).
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
261 Private method to read some data into the buffer.
a134031209be Added stage 1 of the cooperation functions (chat system).
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
262
a134031209be Added stage 1 of the cooperation functions (chat system).
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
263 @param maxSize maximum size of data to read (integer)
a134031209be Added stage 1 of the cooperation functions (chat system).
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
264 @return size of data read (integer)
a134031209be Added stage 1 of the cooperation functions (chat system).
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
265 """
a134031209be Added stage 1 of the cooperation functions (chat system).
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
266 if maxSize > MaxBufferSize:
a134031209be Added stage 1 of the cooperation functions (chat system).
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
267 return 0
a134031209be Added stage 1 of the cooperation functions (chat system).
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
268
a134031209be Added stage 1 of the cooperation functions (chat system).
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
269 numBytesBeforeRead = self.__buffer.size()
a134031209be Added stage 1 of the cooperation functions (chat system).
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
270 if numBytesBeforeRead == MaxBufferSize:
a134031209be Added stage 1 of the cooperation functions (chat system).
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
271 self.abort()
a134031209be Added stage 1 of the cooperation functions (chat system).
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
272 return 0
a134031209be Added stage 1 of the cooperation functions (chat system).
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
273
a134031209be Added stage 1 of the cooperation functions (chat system).
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
274 while self.bytesAvailable() and self.__buffer.size() < maxSize:
a134031209be Added stage 1 of the cooperation functions (chat system).
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
275 self.__buffer.append(self.read(1))
a134031209be Added stage 1 of the cooperation functions (chat system).
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
276 if self.__buffer.endsWith(SeparatorToken):
a134031209be Added stage 1 of the cooperation functions (chat system).
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
277 break
a134031209be Added stage 1 of the cooperation functions (chat system).
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
278
a134031209be Added stage 1 of the cooperation functions (chat system).
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
279 return self.__buffer.size() - numBytesBeforeRead
a134031209be Added stage 1 of the cooperation functions (chat system).
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
280
a134031209be Added stage 1 of the cooperation functions (chat system).
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
281 def __dataLengthForCurrentDataType(self):
a134031209be Added stage 1 of the cooperation functions (chat system).
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
282 """
a134031209be Added stage 1 of the cooperation functions (chat system).
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
283 Private method to get the data length for the current data type.
a134031209be Added stage 1 of the cooperation functions (chat system).
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
284
a134031209be Added stage 1 of the cooperation functions (chat system).
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
285 @return data length (integer)
a134031209be Added stage 1 of the cooperation functions (chat system).
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
286 """
a134031209be Added stage 1 of the cooperation functions (chat system).
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
287 if self.bytesAvailable() <= 0 or \
a134031209be Added stage 1 of the cooperation functions (chat system).
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
288 self.__readDataIntoBuffer() <= 0 or \
a134031209be Added stage 1 of the cooperation functions (chat system).
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
289 not self.__buffer.endsWith(SeparatorToken):
a134031209be Added stage 1 of the cooperation functions (chat system).
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
290 return 0
a134031209be Added stage 1 of the cooperation functions (chat system).
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
291
a134031209be Added stage 1 of the cooperation functions (chat system).
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
292 self.__buffer.chop(len(SeparatorToken))
a134031209be Added stage 1 of the cooperation functions (chat system).
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
293 number = self.__buffer.toInt()[0]
a134031209be Added stage 1 of the cooperation functions (chat system).
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
294 self.__buffer.clear()
a134031209be Added stage 1 of the cooperation functions (chat system).
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
295 return number
a134031209be Added stage 1 of the cooperation functions (chat system).
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
296
a134031209be Added stage 1 of the cooperation functions (chat system).
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
297 def __readProtocolHeader(self):
a134031209be Added stage 1 of the cooperation functions (chat system).
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
298 """
a134031209be Added stage 1 of the cooperation functions (chat system).
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
299 Private method to read the protocol header.
a134031209be Added stage 1 of the cooperation functions (chat system).
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
300
a134031209be Added stage 1 of the cooperation functions (chat system).
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
301 @return flag indicating a successful read (boolean)
a134031209be Added stage 1 of the cooperation functions (chat system).
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
302 """
a134031209be Added stage 1 of the cooperation functions (chat system).
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
303 if self.__transferTimerId:
a134031209be Added stage 1 of the cooperation functions (chat system).
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
304 self.killTimer(self.__transferTimerId)
a134031209be Added stage 1 of the cooperation functions (chat system).
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
305 self.__transferTimerId = 0
a134031209be Added stage 1 of the cooperation functions (chat system).
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
306
a134031209be Added stage 1 of the cooperation functions (chat system).
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
307 if self.__readDataIntoBuffer() <= 0:
a134031209be Added stage 1 of the cooperation functions (chat system).
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
308 self.__transferTimerId = self.startTimer(TransferTimeout)
a134031209be Added stage 1 of the cooperation functions (chat system).
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
309 return False
a134031209be Added stage 1 of the cooperation functions (chat system).
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
310
a134031209be Added stage 1 of the cooperation functions (chat system).
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
311 self.__buffer.chop(len(SeparatorToken))
a134031209be Added stage 1 of the cooperation functions (chat system).
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
312 if self.__buffer == Connection.ProtocolPing:
a134031209be Added stage 1 of the cooperation functions (chat system).
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
313 self.__currentDataType = Connection.Ping
a134031209be Added stage 1 of the cooperation functions (chat system).
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
314 elif self.__buffer == Connection.ProtocolPong:
a134031209be Added stage 1 of the cooperation functions (chat system).
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
315 self.__currentDataType = Connection.Pong
a134031209be Added stage 1 of the cooperation functions (chat system).
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
316 elif self.__buffer == Connection.ProtocolMessage:
a134031209be Added stage 1 of the cooperation functions (chat system).
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
317 self.__currentDataType = Connection.PlainText
a134031209be Added stage 1 of the cooperation functions (chat system).
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
318 elif self.__buffer == Connection.ProtocolGreeting:
a134031209be Added stage 1 of the cooperation functions (chat system).
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
319 self.__currentDataType = Connection.Greeting
a134031209be Added stage 1 of the cooperation functions (chat system).
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
320 elif self.__buffer == Connection.ProtocolGetParticipants:
a134031209be Added stage 1 of the cooperation functions (chat system).
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
321 self.__currentDataType = Connection.GetParticipants
a134031209be Added stage 1 of the cooperation functions (chat system).
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
322 elif self.__buffer == Connection.ProtocolParticipants:
a134031209be Added stage 1 of the cooperation functions (chat system).
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
323 self.__currentDataType = Connection.Participants
155
375e3c884874 Added code to transmit selections to remote editors.
Detlev Offenbach <detlev@die-offenbachs.de>
parents: 149
diff changeset
324 elif self.__buffer == Connection.ProtocolEditor:
375e3c884874 Added code to transmit selections to remote editors.
Detlev Offenbach <detlev@die-offenbachs.de>
parents: 149
diff changeset
325 self.__currentDataType = Connection.Editor
149
a134031209be Added stage 1 of the cooperation functions (chat system).
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
326 else:
a134031209be Added stage 1 of the cooperation functions (chat system).
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
327 self.__currentDataType = Connection.Undefined
a134031209be Added stage 1 of the cooperation functions (chat system).
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
328 self.abort()
a134031209be Added stage 1 of the cooperation functions (chat system).
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
329 return False
a134031209be Added stage 1 of the cooperation functions (chat system).
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
330
a134031209be Added stage 1 of the cooperation functions (chat system).
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
331 self.__buffer.clear()
a134031209be Added stage 1 of the cooperation functions (chat system).
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
332 self.__numBytesForCurrentDataType = self.__dataLengthForCurrentDataType()
a134031209be Added stage 1 of the cooperation functions (chat system).
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
333 return True
a134031209be Added stage 1 of the cooperation functions (chat system).
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
334
a134031209be Added stage 1 of the cooperation functions (chat system).
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
335 def __hasEnoughData(self):
a134031209be Added stage 1 of the cooperation functions (chat system).
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
336 """
a134031209be Added stage 1 of the cooperation functions (chat system).
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
337 Private method to check, if enough data is available.
a134031209be Added stage 1 of the cooperation functions (chat system).
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
338
a134031209be Added stage 1 of the cooperation functions (chat system).
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
339 @return flag indicating availability of enough data (boolean)
a134031209be Added stage 1 of the cooperation functions (chat system).
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
340 """
a134031209be Added stage 1 of the cooperation functions (chat system).
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
341 if self.__transferTimerId:
a134031209be Added stage 1 of the cooperation functions (chat system).
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
342 self.killTimer(self.__transferTimerId)
a134031209be Added stage 1 of the cooperation functions (chat system).
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
343 self.__transferTimerId = 0
a134031209be Added stage 1 of the cooperation functions (chat system).
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
344
a134031209be Added stage 1 of the cooperation functions (chat system).
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
345 if self.__numBytesForCurrentDataType <= 0:
a134031209be Added stage 1 of the cooperation functions (chat system).
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
346 self.__numBytesForCurrentDataType = self.__dataLengthForCurrentDataType()
a134031209be Added stage 1 of the cooperation functions (chat system).
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
347
a134031209be Added stage 1 of the cooperation functions (chat system).
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
348 if self.bytesAvailable() < self.__numBytesForCurrentDataType or \
a134031209be Added stage 1 of the cooperation functions (chat system).
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
349 self.__numBytesForCurrentDataType <= 0:
a134031209be Added stage 1 of the cooperation functions (chat system).
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
350 self.__transferTimerId = self.startTimer(TransferTimeout)
a134031209be Added stage 1 of the cooperation functions (chat system).
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
351 return False
a134031209be Added stage 1 of the cooperation functions (chat system).
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
352
a134031209be Added stage 1 of the cooperation functions (chat system).
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
353 return True
a134031209be Added stage 1 of the cooperation functions (chat system).
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
354
a134031209be Added stage 1 of the cooperation functions (chat system).
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
355 def __processData(self):
a134031209be Added stage 1 of the cooperation functions (chat system).
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
356 """
a134031209be Added stage 1 of the cooperation functions (chat system).
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
357 Private method to process the received data.
a134031209be Added stage 1 of the cooperation functions (chat system).
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
358 """
a134031209be Added stage 1 of the cooperation functions (chat system).
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
359 self.__buffer = QByteArray(self.read(self.__numBytesForCurrentDataType))
a134031209be Added stage 1 of the cooperation functions (chat system).
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
360 if self.__buffer.size() != self.__numBytesForCurrentDataType:
a134031209be Added stage 1 of the cooperation functions (chat system).
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
361 self.abort()
a134031209be Added stage 1 of the cooperation functions (chat system).
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
362 return
a134031209be Added stage 1 of the cooperation functions (chat system).
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
363
a134031209be Added stage 1 of the cooperation functions (chat system).
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
364 if self.__currentDataType == Connection.PlainText:
945
8cd4d08fa9f6 Made code mostly PEP 8 compliant (except all whitespace and line length).
Detlev Offenbach <detlev@die-offenbachs.de>
parents: 791
diff changeset
365 self.newMessage.emit(self.__username, str(self.__buffer, encoding="utf-8"))
149
a134031209be Added stage 1 of the cooperation functions (chat system).
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
366 elif self.__currentDataType == Connection.Ping:
a134031209be Added stage 1 of the cooperation functions (chat system).
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
367 self.write("{0}{1}1{1}p".format(Connection.ProtocolPong, SeparatorToken))
a134031209be Added stage 1 of the cooperation functions (chat system).
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
368 elif self.__currentDataType == Connection.Pong:
a134031209be Added stage 1 of the cooperation functions (chat system).
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
369 self.__pongTime.restart()
a134031209be Added stage 1 of the cooperation functions (chat system).
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
370 elif self.__currentDataType == Connection.GetParticipants:
a134031209be Added stage 1 of the cooperation functions (chat system).
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
371 self.getParticipants.emit()
a134031209be Added stage 1 of the cooperation functions (chat system).
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
372 elif self.__currentDataType == Connection.Participants:
945
8cd4d08fa9f6 Made code mostly PEP 8 compliant (except all whitespace and line length).
Detlev Offenbach <detlev@die-offenbachs.de>
parents: 791
diff changeset
373 msg = str(self.__buffer, encoding="utf-8")
149
a134031209be Added stage 1 of the cooperation functions (chat system).
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
374 if msg == "<empty>":
a134031209be Added stage 1 of the cooperation functions (chat system).
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
375 participantsList = []
a134031209be Added stage 1 of the cooperation functions (chat system).
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
376 else:
a134031209be Added stage 1 of the cooperation functions (chat system).
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
377 participantsList = msg.split(SeparatorToken)
a134031209be Added stage 1 of the cooperation functions (chat system).
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
378 self.participants.emit(participantsList[:])
155
375e3c884874 Added code to transmit selections to remote editors.
Detlev Offenbach <detlev@die-offenbachs.de>
parents: 149
diff changeset
379 elif self.__currentDataType == Connection.Editor:
945
8cd4d08fa9f6 Made code mostly PEP 8 compliant (except all whitespace and line length).
Detlev Offenbach <detlev@die-offenbachs.de>
parents: 791
diff changeset
380 hash, fn, msg = str(self.__buffer, encoding="utf-8").split(SeparatorToken)
155
375e3c884874 Added code to transmit selections to remote editors.
Detlev Offenbach <detlev@die-offenbachs.de>
parents: 149
diff changeset
381 self.editorCommand.emit(hash, fn, msg)
149
a134031209be Added stage 1 of the cooperation functions (chat system).
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
382
a134031209be Added stage 1 of the cooperation functions (chat system).
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
383 self.__currentDataType = Connection.Undefined
a134031209be Added stage 1 of the cooperation functions (chat system).
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
384 self.__numBytesForCurrentDataType = 0
a134031209be Added stage 1 of the cooperation functions (chat system).
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
385 self.__buffer.clear()
a134031209be Added stage 1 of the cooperation functions (chat system).
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
386
a134031209be Added stage 1 of the cooperation functions (chat system).
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
387 def sendGetParticipants(self):
a134031209be Added stage 1 of the cooperation functions (chat system).
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
388 """
a134031209be Added stage 1 of the cooperation functions (chat system).
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
389 Public method to request a list of participants.
a134031209be Added stage 1 of the cooperation functions (chat system).
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
390 """
a134031209be Added stage 1 of the cooperation functions (chat system).
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
391 self.write(
a134031209be Added stage 1 of the cooperation functions (chat system).
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
392 "{0}{1}1{1}l".format(Connection.ProtocolGetParticipants, SeparatorToken)
a134031209be Added stage 1 of the cooperation functions (chat system).
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
393 )
a134031209be Added stage 1 of the cooperation functions (chat system).
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
394
a134031209be Added stage 1 of the cooperation functions (chat system).
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
395 def sendParticipants(self, participants):
a134031209be Added stage 1 of the cooperation functions (chat system).
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
396 """
a134031209be Added stage 1 of the cooperation functions (chat system).
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
397 Public method to send the list of participants.
a134031209be Added stage 1 of the cooperation functions (chat system).
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
398
a134031209be Added stage 1 of the cooperation functions (chat system).
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
399 @param participants list of participants (list of strings of "host:port")
a134031209be Added stage 1 of the cooperation functions (chat system).
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
400 """
a134031209be Added stage 1 of the cooperation functions (chat system).
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
401 if participants:
a134031209be Added stage 1 of the cooperation functions (chat system).
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
402 message = SeparatorToken.join(participants)
a134031209be Added stage 1 of the cooperation functions (chat system).
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
403 else:
a134031209be Added stage 1 of the cooperation functions (chat system).
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
404 message = "<empty>"
a134031209be Added stage 1 of the cooperation functions (chat system).
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
405 msg = QByteArray(message.encode("utf-8"))
a134031209be Added stage 1 of the cooperation functions (chat system).
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
406 data = QByteArray("{0}{1}{2}{1}".format(
a134031209be Added stage 1 of the cooperation functions (chat system).
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
407 Connection.ProtocolParticipants, SeparatorToken, msg.size())) + msg
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parents:
diff changeset
408 self.write(data)
155
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parents: 149
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409
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parents: 149
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410 def sendEditorCommand(self, projectHash, filename, message):
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parents: 149
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411 """
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parents: 149
diff changeset
412 Public method to send an editor command.
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Detlev Offenbach <detlev@die-offenbachs.de>
parents: 149
diff changeset
413
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parents: 149
diff changeset
414 @param projectHash hash of the project (string)
945
8cd4d08fa9f6 Made code mostly PEP 8 compliant (except all whitespace and line length).
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parents: 791
diff changeset
415 @param filename project relative universal file name of
155
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parents: 149
diff changeset
416 the sending editor (string)
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parents: 149
diff changeset
417 @param message editor command to be sent (string)
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Detlev Offenbach <detlev@die-offenbachs.de>
parents: 149
diff changeset
418 """
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parents: 149
diff changeset
419 msg = QByteArray("{0}{1}{2}{1}{3}".format(
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parents: 149
diff changeset
420 projectHash, SeparatorToken, filename, message).encode("utf-8"))
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parents: 149
diff changeset
421 data = QByteArray("{0}{1}{2}{1}".format(
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Detlev Offenbach <detlev@die-offenbachs.de>
parents: 149
diff changeset
422 Connection.ProtocolEditor, SeparatorToken, msg.size())) + msg
375e3c884874 Added code to transmit selections to remote editors.
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parents: 149
diff changeset
423 self.write(data)
164
b395b006d2a8 Fixed a few issues with the new cooperation stuff.
Detlev Offenbach <detlev@die-offenbachs.de>
parents: 162
diff changeset
424
b395b006d2a8 Fixed a few issues with the new cooperation stuff.
Detlev Offenbach <detlev@die-offenbachs.de>
parents: 162
diff changeset
425 def __disconnected(self):
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Detlev Offenbach <detlev@die-offenbachs.de>
parents: 162
diff changeset
426 """
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Detlev Offenbach <detlev@die-offenbachs.de>
parents: 162
diff changeset
427 Private slot to handle the connection being dropped.
b395b006d2a8 Fixed a few issues with the new cooperation stuff.
Detlev Offenbach <detlev@die-offenbachs.de>
parents: 162
diff changeset
428 """
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Detlev Offenbach <detlev@die-offenbachs.de>
parents: 162
diff changeset
429 self.__pingTimer.stop()
b395b006d2a8 Fixed a few issues with the new cooperation stuff.
Detlev Offenbach <detlev@die-offenbachs.de>
parents: 162
diff changeset
430 if self.__state == Connection.WaitingForGreeting:
b395b006d2a8 Fixed a few issues with the new cooperation stuff.
Detlev Offenbach <detlev@die-offenbachs.de>
parents: 162
diff changeset
431 self.rejected.emit(self.trUtf8("* Connection to {0}:{1} refused.").format(
541
00e1a5d060c5 Continued replacing QMessageBox methods with own methods.
Detlev Offenbach <detlev@die-offenbachs.de>
parents: 538
diff changeset
432 self.peerName(), self.peerPort()))

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