eric6/Cooperation/Connection.py

Sun, 02 Feb 2020 11:04:32 +0100

author
Detlev Offenbach <detlev@die-offenbachs.de>
date
Sun, 02 Feb 2020 11:04:32 +0100
changeset 7380
c99320e859ca
parent 7360
9190402e4505
child 7780
41420f82c0ac
permissions
-rw-r--r--

Fixed an issue related to showing the application name in the menu bar of Gnome desktop under Wayland.

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1 # -*- coding: utf-8 -*-
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2
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3 # Copyright (c) 2010 - 2020 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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11 from PyQt5.QtCore import pyqtSignal, QTimer, QTime, QByteArray
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12 from PyQt5.QtNetwork import QTcpSocket, QHostInfo
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13
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14 from E5Gui import E5MessageBox
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15 from E5Gui.E5Application import e5App
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16
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17 import Preferences
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18
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19 MaxBufferSize = 1024 * 1024
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20 TransferTimeout = 30 * 1000
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21 PongTimeout = 60 * 1000
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22 PingInterval = 5 * 1000
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23 SeparatorToken = '|||'
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24 SeparatorToken_b = b'|||'
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25
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26
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27 class Connection(QTcpSocket):
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28 """
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29 Class representing a peer connection.
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30
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31 @signal readyForUse() emitted when the connection is ready for use
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32 @signal newMessage(user, message) emitted after a new message has
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33 arrived (string, string)
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34 @signal getParticipants() emitted after a get participants message has
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35 arrived
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36 @signal participants(participants) emitted after the list of participants
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37 has arrived (list of strings of "host:port")
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38 @signal editorCommand(hash, fn, message) emitted after an editor command
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39 has arrived (string, string, string)
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40 @signal rejected(message) emitted after a connection has been rejected
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41 (string)
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42 """
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43 WaitingForGreeting = 0
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44 ReadingGreeting = 1
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45 ReadyForUse = 2
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46
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47 PlainText = 0
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48 Ping = 1
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49 Pong = 2
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50 Greeting = 3
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51 GetParticipants = 4
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52 Participants = 5
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53 Editor = 6
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54 Undefined = 99
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55
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56 ProtocolMessage = "MESSAGE"
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57 ProtocolPing = "PING"
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58 ProtocolPong = "PONG"
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59 ProtocolGreeting = "GREETING"
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60 ProtocolGetParticipants = "GET_PARTICIPANTS"
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61 ProtocolParticipants = "PARTICIPANTS"
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62 ProtocolEditor = "EDITOR"
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63
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64 readyForUse = pyqtSignal()
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65 newMessage = pyqtSignal(str, str)
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66 getParticipants = pyqtSignal()
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67 participants = pyqtSignal(list)
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68 editorCommand = pyqtSignal(str, str, str)
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69 rejected = pyqtSignal(str)
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70
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71 def __init__(self, parent=None):
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72 """
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73 Constructor
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74
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75 @param parent referenec to the parent object (QObject)
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76 """
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77 super(Connection, self).__init__(parent)
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78
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79 self.__greetingMessage = self.tr("undefined")
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80 self.__username = self.tr("unknown")
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81 self.__serverPort = 0
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82 self.__state = Connection.WaitingForGreeting
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83 self.__currentDataType = Connection.Undefined
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84 self.__numBytesForCurrentDataType = -1
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85 self.__transferTimerId = 0
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86 self.__isGreetingMessageSent = False
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87 self.__pingTimer = QTimer(self)
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88 self.__pingTimer.setInterval(PingInterval)
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89 self.__pongTime = QTime()
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90 self.__buffer = QByteArray()
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91 self.__client = None
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92
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93 self.readyRead.connect(self.__processReadyRead)
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94 self.disconnected.connect(self.__disconnected)
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95 self.__pingTimer.timeout.connect(self.__sendPing)
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96 self.connected.connect(self.__sendGreetingMessage)
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97
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98 def name(self):
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99 """
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100 Public method to get the connection name.
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101
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102 @return connection name (string)
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103 """
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104 return self.__username
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105
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106 def serverPort(self):
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107 """
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108 Public method to get the server port.
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109
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110 @return server port (integer)
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111 """
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112 return self.__serverPort
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113
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114 def setClient(self, client):
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115 """
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116 Public method to set the reference to the cooperation client.
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117
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118 @param client reference to the cooperation client (CooperationClient)
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119 """
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120 self.__client = client
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121
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122 def setGreetingMessage(self, message, serverPort):
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123 """
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124 Public method to set the greeting message.
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125
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126 @param message greeting message (string)
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127 @param serverPort port number to include in the message (integer)
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128 """
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diff changeset
129 self.__greetingMessage = "{0}:{1}".format(message, serverPort)
a134031209be Added stage 1 of the cooperation functions (chat system).
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
130
a134031209be Added stage 1 of the cooperation functions (chat system).
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
131 def sendMessage(self, message):
a134031209be Added stage 1 of the cooperation functions (chat system).
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
132 """
a134031209be Added stage 1 of the cooperation functions (chat system).
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
133 Public method to send a message.
a134031209be Added stage 1 of the cooperation functions (chat system).
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
134
a134031209be Added stage 1 of the cooperation functions (chat system).
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
135 @param message message to be sent (string)
a134031209be Added stage 1 of the cooperation functions (chat system).
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
136 @return flag indicating a successful send (boolean)
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 if message == "":
a134031209be Added stage 1 of the cooperation functions (chat system).
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
139 return False
a134031209be Added stage 1 of the cooperation functions (chat system).
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
140
a134031209be Added stage 1 of the cooperation functions (chat system).
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
141 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
142 data = QByteArray("{0}{1}{2}{1}".format(
4327
ff666d8230f7 Changed code to make eric compatible to PyQt 5.5 (QByteArry issue).
Detlev Offenbach <detlev@die-offenbachs.de>
parents: 4021
diff changeset
143 Connection.ProtocolMessage, SeparatorToken, msg.size())
4331
711e7c35a49b Changed code to make eric compatible to PyQt 5.5 (QByteArry issue).
Detlev Offenbach <detlev@die-offenbachs.de>
parents: 4327
diff changeset
144 .encode("utf-8")) + msg
149
a134031209be Added stage 1 of the cooperation functions (chat system).
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
145 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
146
a134031209be Added stage 1 of the cooperation functions (chat system).
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
147 def timerEvent(self, evt):
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 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
150
a134031209be Added stage 1 of the cooperation functions (chat system).
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
151 @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
152 """
a134031209be Added stage 1 of the cooperation functions (chat system).
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
153 if evt.timerId() == self.__transferTimerId:
a134031209be Added stage 1 of the cooperation functions (chat system).
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
154 self.abort()
a134031209be Added stage 1 of the cooperation functions (chat system).
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
155 self.killTimer(self.__transferTimerId)
a134031209be Added stage 1 of the cooperation functions (chat system).
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
156 self.__transferTimerId = 0
a134031209be Added stage 1 of the cooperation functions (chat system).
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
157
a134031209be Added stage 1 of the cooperation functions (chat system).
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
158 def __processReadyRead(self):
a134031209be Added stage 1 of the cooperation functions (chat system).
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
159 """
a134031209be Added stage 1 of the cooperation functions (chat system).
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
160 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
161 """
a134031209be Added stage 1 of the cooperation functions (chat system).
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
162 if self.__state == Connection.WaitingForGreeting:
a134031209be Added stage 1 of the cooperation functions (chat system).
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
163 if not self.__readProtocolHeader():
a134031209be Added stage 1 of the cooperation functions (chat system).
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
164 return
a134031209be Added stage 1 of the cooperation functions (chat system).
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
165 if self.__currentDataType != Connection.Greeting:
a134031209be Added stage 1 of the cooperation functions (chat system).
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
166 self.abort()
a134031209be Added stage 1 of the cooperation functions (chat system).
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
167 return
a134031209be Added stage 1 of the cooperation functions (chat system).
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
168 self.__state = Connection.ReadingGreeting
a134031209be Added stage 1 of the cooperation functions (chat system).
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
169
a134031209be Added stage 1 of the cooperation functions (chat system).
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
170 if self.__state == Connection.ReadingGreeting:
a134031209be Added stage 1 of the cooperation functions (chat system).
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
171 if not self.__hasEnoughData():
a134031209be Added stage 1 of the cooperation functions (chat system).
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
172 return
a134031209be Added stage 1 of the cooperation functions (chat system).
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
173
2986
cd4e2cab7eb2 Started to shorten the code lines to max. 79 characters.
Detlev Offenbach <detlev@die-offenbachs.de>
parents: 2953
diff changeset
174 self.__buffer = QByteArray(
cd4e2cab7eb2 Started to shorten the code lines to max. 79 characters.
Detlev Offenbach <detlev@die-offenbachs.de>
parents: 2953
diff changeset
175 self.read(self.__numBytesForCurrentDataType))
149
a134031209be Added stage 1 of the cooperation functions (chat system).
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
176 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
177 self.abort()
a134031209be Added stage 1 of the cooperation functions (chat system).
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
178 return
a134031209be Added stage 1 of the cooperation functions (chat system).
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
179
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
180 try:
7250
d8bdc55aee1a Started to resolve code style issue M841.
Detlev Offenbach <detlev@die-offenbachs.de>
parents: 7229
diff changeset
181 user, serverPort = (
d8bdc55aee1a Started to resolve code style issue M841.
Detlev Offenbach <detlev@die-offenbachs.de>
parents: 7229
diff changeset
182 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
183 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
184 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
185 return
149
a134031209be Added stage 1 of the cooperation functions (chat system).
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
186 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
187
2285
a6fc5bda1de9 Corrected a few issues in the Cooperation function introduced during the IPv6 extension.
Detlev Offenbach <detlev@die-offenbachs.de>
parents: 1509
diff changeset
188 hostInfo = QHostInfo.fromName(self.peerAddress().toString())
1221
291dc0a51947 Added code to the cooperation functions to support IPv6.
Detlev Offenbach <detlev@die-offenbachs.de>
parents: 1131
diff changeset
189 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
190 user,
2285
a6fc5bda1de9 Corrected a few issues in the Cooperation function introduced during the IPv6 extension.
Detlev Offenbach <detlev@die-offenbachs.de>
parents: 1509
diff changeset
191 hostInfo.hostName(),
149
a134031209be Added stage 1 of the cooperation functions (chat system).
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
192 self.peerPort()
a134031209be Added stage 1 of the cooperation functions (chat system).
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
193 )
a134031209be Added stage 1 of the cooperation functions (chat system).
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
194 self.__currentDataType = Connection.Undefined
a134031209be Added stage 1 of the cooperation functions (chat system).
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
195 self.__numBytesForCurrentDataType = 0
a134031209be Added stage 1 of the cooperation functions (chat system).
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
196 self.__buffer.clear()
a134031209be Added stage 1 of the cooperation functions (chat system).
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
197
a134031209be Added stage 1 of the cooperation functions (chat system).
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
198 if not self.isValid():
a134031209be Added stage 1 of the cooperation functions (chat system).
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
199 self.abort()
a134031209be Added stage 1 of the cooperation functions (chat system).
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
200 return
a134031209be Added stage 1 of the cooperation functions (chat system).
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
201
165
3302a726fd1e Added functionality to kick and ban users and to manage banned users.
Detlev Offenbach <detlev@die-offenbachs.de>
parents: 164
diff changeset
202 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
203 user,
2285
a6fc5bda1de9 Corrected a few issues in the Cooperation function introduced during the IPv6 extension.
Detlev Offenbach <detlev@die-offenbachs.de>
parents: 1509
diff changeset
204 hostInfo.hostName(),
165
3302a726fd1e Added functionality to kick and ban users and to manage banned users.
Detlev Offenbach <detlev@die-offenbachs.de>
parents: 164
diff changeset
205 )
3302a726fd1e Added functionality to kick and ban users and to manage banned users.
Detlev Offenbach <detlev@die-offenbachs.de>
parents: 164
diff changeset
206 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
207 if bannedName in Preferences.getCooperation("BannedUsers"):
3190
a9a94491c4fd Changed the code to use QObject.tr() instead of QObject.trUtf8().
Detlev Offenbach <detlev@die-offenbachs.de>
parents: 3160
diff changeset
208 self.rejected.emit(self.tr(
2986
cd4e2cab7eb2 Started to shorten the code lines to max. 79 characters.
Detlev Offenbach <detlev@die-offenbachs.de>
parents: 2953
diff changeset
209 "* Connection attempted by banned user '{0}'.")
3021
801289962f4e Fixed a bunch of visible indentation issues.
Detlev Offenbach <detlev@die-offenbachs.de>
parents: 3020
diff changeset
210 .format(bannedName))
165
3302a726fd1e Added functionality to kick and ban users and to manage banned users.
Detlev Offenbach <detlev@die-offenbachs.de>
parents: 164
diff changeset
211 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
212 return
3302a726fd1e Added functionality to kick and ban users and to manage banned users.
Detlev Offenbach <detlev@die-offenbachs.de>
parents: 164
diff changeset
213
7250
d8bdc55aee1a Started to resolve code style issue M841.
Detlev Offenbach <detlev@die-offenbachs.de>
parents: 7229
diff changeset
214 if (self.__serverPort != self.peerPort() and
d8bdc55aee1a Started to resolve code style issue M841.
Detlev Offenbach <detlev@die-offenbachs.de>
parents: 7229
diff changeset
215 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
216 # 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
217 # if we shall accept automatically
3020
542e97d4ecb3 Fixed a bunch of visible indentation issues.
Detlev Offenbach <detlev@die-offenbachs.de>
parents: 2986
diff changeset
218 res = E5MessageBox.yesNo(
542e97d4ecb3 Fixed a bunch of visible indentation issues.
Detlev Offenbach <detlev@die-offenbachs.de>
parents: 2986
diff changeset
219 None,
3190
a9a94491c4fd Changed the code to use QObject.tr() instead of QObject.trUtf8().
Detlev Offenbach <detlev@die-offenbachs.de>
parents: 3160
diff changeset
220 self.tr("New Connection"),
a9a94491c4fd Changed the code to use QObject.tr() instead of QObject.trUtf8().
Detlev Offenbach <detlev@die-offenbachs.de>
parents: 3160
diff changeset
221 self.tr("""<p>Accept connection from """
a9a94491c4fd Changed the code to use QObject.tr() instead of QObject.trUtf8().
Detlev Offenbach <detlev@die-offenbachs.de>
parents: 3160
diff changeset
222 """<strong>{0}@{1}</strong>?</p>""").format(
2285
a6fc5bda1de9 Corrected a few issues in the Cooperation function introduced during the IPv6 extension.
Detlev Offenbach <detlev@die-offenbachs.de>
parents: 1509
diff changeset
223 user, hostInfo.hostName()),
945
8cd4d08fa9f6 Made code mostly PEP 8 compliant (except all whitespace and line length).
Detlev Offenbach <detlev@die-offenbachs.de>
parents: 791
diff changeset
224 yesDefault=True)
541
00e1a5d060c5 Continued replacing QMessageBox methods with own methods.
Detlev Offenbach <detlev@die-offenbachs.de>
parents: 538
diff changeset
225 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
226 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
227 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
228
1221
291dc0a51947 Added code to the cooperation functions to support IPv6.
Detlev Offenbach <detlev@die-offenbachs.de>
parents: 1131
diff changeset
229 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
230 chatWidget = self.__client.chatWidget()
291dc0a51947 Added code to the cooperation functions to support IPv6.
Detlev Offenbach <detlev@die-offenbachs.de>
parents: 1131
diff changeset
231 if chatWidget is not None and not chatWidget.isVisible():
2986
cd4e2cab7eb2 Started to shorten the code lines to max. 79 characters.
Detlev Offenbach <detlev@die-offenbachs.de>
parents: 2953
diff changeset
232 e5App().getObject(
cd4e2cab7eb2 Started to shorten the code lines to max. 79 characters.
Detlev Offenbach <detlev@die-offenbachs.de>
parents: 2953
diff changeset
233 "UserInterface").activateCooperationViewer()
1221
291dc0a51947 Added code to the cooperation functions to support IPv6.
Detlev Offenbach <detlev@die-offenbachs.de>
parents: 1131
diff changeset
234
149
a134031209be Added stage 1 of the cooperation functions (chat system).
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
235 if not self.__isGreetingMessageSent:
a134031209be Added stage 1 of the cooperation functions (chat system).
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
236 self.__sendGreetingMessage()
a134031209be Added stage 1 of the cooperation functions (chat system).
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
237
a134031209be Added stage 1 of the cooperation functions (chat system).
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
238 self.__pingTimer.start()
a134031209be Added stage 1 of the cooperation functions (chat system).
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
239 self.__pongTime.start()
a134031209be Added stage 1 of the cooperation functions (chat system).
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
240 self.__state = Connection.ReadyForUse
a134031209be Added stage 1 of the cooperation functions (chat system).
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
241 self.readyForUse.emit()
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 while self.bytesAvailable():
a134031209be Added stage 1 of the cooperation functions (chat system).
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
244 if self.__currentDataType == Connection.Undefined:
a134031209be Added stage 1 of the cooperation functions (chat system).
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
245 if not self.__readProtocolHeader():
a134031209be Added stage 1 of the cooperation functions (chat system).
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
246 return
a134031209be Added stage 1 of the cooperation functions (chat system).
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
247
a134031209be Added stage 1 of the cooperation functions (chat system).
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
248 if not self.__hasEnoughData():
a134031209be Added stage 1 of the cooperation functions (chat system).
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
249 return
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 self.__processData()
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 def __sendPing(self):
a134031209be Added stage 1 of the cooperation functions (chat system).
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
254 """
a134031209be Added stage 1 of the cooperation functions (chat system).
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
255 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
256 """
a134031209be Added stage 1 of the cooperation functions (chat system).
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
257 if self.__pongTime.elapsed() > PongTimeout:
a134031209be Added stage 1 of the cooperation functions (chat system).
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
258 self.abort()
a134031209be Added stage 1 of the cooperation functions (chat system).
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
259 return
a134031209be Added stage 1 of the cooperation functions (chat system).
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
260
6484
8bed668f2a85 Connection: fixed some more QByteArray related issues.
Detlev Offenbach <detlev@die-offenbachs.de>
parents: 6483
diff changeset
261 self.write(QByteArray("{0}{1}1{1}p".format(
8bed668f2a85 Connection: fixed some more QByteArray related issues.
Detlev Offenbach <detlev@die-offenbachs.de>
parents: 6483
diff changeset
262 Connection.ProtocolPing, SeparatorToken).encode("utf-8")))
149
a134031209be Added stage 1 of the cooperation functions (chat system).
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
263
a134031209be Added stage 1 of the cooperation functions (chat system).
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
264 def __sendGreetingMessage(self):
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 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
267 """
a134031209be Added stage 1 of the cooperation functions (chat system).
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
268 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
269 data = QByteArray("{0}{1}{2}{1}".format(
4327
ff666d8230f7 Changed code to make eric compatible to PyQt 5.5 (QByteArry issue).
Detlev Offenbach <detlev@die-offenbachs.de>
parents: 4021
diff changeset
270 Connection.ProtocolGreeting, SeparatorToken, greeting.size())
4331
711e7c35a49b Changed code to make eric compatible to PyQt 5.5 (QByteArry issue).
Detlev Offenbach <detlev@die-offenbachs.de>
parents: 4327
diff changeset
271 .encode("utf-8")) + greeting
149
a134031209be Added stage 1 of the cooperation functions (chat system).
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
272 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
273 self.__isGreetingMessageSent = True
a134031209be Added stage 1 of the cooperation functions (chat system).
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
274
945
8cd4d08fa9f6 Made code mostly PEP 8 compliant (except all whitespace and line length).
Detlev Offenbach <detlev@die-offenbachs.de>
parents: 791
diff changeset
275 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
276 """
a134031209be Added stage 1 of the cooperation functions (chat system).
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
277 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
278
a134031209be Added stage 1 of the cooperation functions (chat system).
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
279 @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
280 @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
281 """
a134031209be Added stage 1 of the cooperation functions (chat system).
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
282 if maxSize > MaxBufferSize:
a134031209be Added stage 1 of the cooperation functions (chat system).
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
283 return 0
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 numBytesBeforeRead = self.__buffer.size()
a134031209be Added stage 1 of the cooperation functions (chat system).
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
286 if numBytesBeforeRead == MaxBufferSize:
a134031209be Added stage 1 of the cooperation functions (chat system).
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
287 self.abort()
a134031209be Added stage 1 of the cooperation functions (chat system).
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
288 return 0
a134031209be Added stage 1 of the cooperation functions (chat system).
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
289
a134031209be Added stage 1 of the cooperation functions (chat system).
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
290 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
291 self.__buffer.append(self.read(1))
6483
1c0bfbf78353 Connection: fixed QByteArray related issues
Detlev Offenbach <detlev@die-offenbachs.de>
parents: 6048
diff changeset
292 if self.__buffer.endsWith(SeparatorToken_b):
149
a134031209be Added stage 1 of the cooperation functions (chat system).
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
293 break
a134031209be Added stage 1 of the cooperation functions (chat system).
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
294
a134031209be Added stage 1 of the cooperation functions (chat system).
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
295 return self.__buffer.size() - numBytesBeforeRead
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 __dataLengthForCurrentDataType(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 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
300
a134031209be Added stage 1 of the cooperation functions (chat system).
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
301 @return data length (integer)
a134031209be Added stage 1 of the cooperation functions (chat system).
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
302 """
7250
d8bdc55aee1a Started to resolve code style issue M841.
Detlev Offenbach <detlev@die-offenbachs.de>
parents: 7229
diff changeset
303 if (self.bytesAvailable() <= 0 or
d8bdc55aee1a Started to resolve code style issue M841.
Detlev Offenbach <detlev@die-offenbachs.de>
parents: 7229
diff changeset
304 self.__readDataIntoBuffer() <= 0 or
d8bdc55aee1a Started to resolve code style issue M841.
Detlev Offenbach <detlev@die-offenbachs.de>
parents: 7229
diff changeset
305 not self.__buffer.endsWith(SeparatorToken_b)):
149
a134031209be Added stage 1 of the cooperation functions (chat system).
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
306 return 0
a134031209be Added stage 1 of the cooperation functions (chat system).
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
307
6483
1c0bfbf78353 Connection: fixed QByteArray related issues
Detlev Offenbach <detlev@die-offenbachs.de>
parents: 6048
diff changeset
308 self.__buffer.chop(len(SeparatorToken_b))
149
a134031209be Added stage 1 of the cooperation functions (chat system).
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
309 number = self.__buffer.toInt()[0]
a134031209be Added stage 1 of the cooperation functions (chat system).
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
310 self.__buffer.clear()
a134031209be Added stage 1 of the cooperation functions (chat system).
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
311 return number
a134031209be Added stage 1 of the cooperation functions (chat system).
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
312
a134031209be Added stage 1 of the cooperation functions (chat system).
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
313 def __readProtocolHeader(self):
a134031209be Added stage 1 of the cooperation functions (chat system).
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
314 """
a134031209be Added stage 1 of the cooperation functions (chat system).
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
315 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
316
a134031209be Added stage 1 of the cooperation functions (chat system).
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
317 @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
318 """
a134031209be Added stage 1 of the cooperation functions (chat system).
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
319 if self.__transferTimerId:
a134031209be Added stage 1 of the cooperation functions (chat system).
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
320 self.killTimer(self.__transferTimerId)
a134031209be Added stage 1 of the cooperation functions (chat system).
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
321 self.__transferTimerId = 0
a134031209be Added stage 1 of the cooperation functions (chat system).
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
322
a134031209be Added stage 1 of the cooperation functions (chat system).
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
323 if self.__readDataIntoBuffer() <= 0:
a134031209be Added stage 1 of the cooperation functions (chat system).
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
324 self.__transferTimerId = self.startTimer(TransferTimeout)
a134031209be Added stage 1 of the cooperation functions (chat system).
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
325 return False
a134031209be Added stage 1 of the cooperation functions (chat system).
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
326
a134031209be Added stage 1 of the cooperation functions (chat system).
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
327 self.__buffer.chop(len(SeparatorToken))
6483
1c0bfbf78353 Connection: fixed QByteArray related issues
Detlev Offenbach <detlev@die-offenbachs.de>
parents: 6048
diff changeset
328 protocolHeader = str(self.__buffer, encoding="utf-8")
1c0bfbf78353 Connection: fixed QByteArray related issues
Detlev Offenbach <detlev@die-offenbachs.de>
parents: 6048
diff changeset
329 if protocolHeader == Connection.ProtocolPing:
149
a134031209be Added stage 1 of the cooperation functions (chat system).
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
330 self.__currentDataType = Connection.Ping
6483
1c0bfbf78353 Connection: fixed QByteArray related issues
Detlev Offenbach <detlev@die-offenbachs.de>
parents: 6048
diff changeset
331 elif protocolHeader == Connection.ProtocolPong:
149
a134031209be Added stage 1 of the cooperation functions (chat system).
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
332 self.__currentDataType = Connection.Pong
6483
1c0bfbf78353 Connection: fixed QByteArray related issues
Detlev Offenbach <detlev@die-offenbachs.de>
parents: 6048
diff changeset
333 elif protocolHeader == Connection.ProtocolMessage:
149
a134031209be Added stage 1 of the cooperation functions (chat system).
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
334 self.__currentDataType = Connection.PlainText
6483
1c0bfbf78353 Connection: fixed QByteArray related issues
Detlev Offenbach <detlev@die-offenbachs.de>
parents: 6048
diff changeset
335 elif protocolHeader == Connection.ProtocolGreeting:
149
a134031209be Added stage 1 of the cooperation functions (chat system).
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
336 self.__currentDataType = Connection.Greeting
6483
1c0bfbf78353 Connection: fixed QByteArray related issues
Detlev Offenbach <detlev@die-offenbachs.de>
parents: 6048
diff changeset
337 elif protocolHeader == Connection.ProtocolGetParticipants:
149
a134031209be Added stage 1 of the cooperation functions (chat system).
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
338 self.__currentDataType = Connection.GetParticipants
6483
1c0bfbf78353 Connection: fixed QByteArray related issues
Detlev Offenbach <detlev@die-offenbachs.de>
parents: 6048
diff changeset
339 elif protocolHeader == Connection.ProtocolParticipants:
149
a134031209be Added stage 1 of the cooperation functions (chat system).
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
340 self.__currentDataType = Connection.Participants
6483
1c0bfbf78353 Connection: fixed QByteArray related issues
Detlev Offenbach <detlev@die-offenbachs.de>
parents: 6048
diff changeset
341 elif protocolHeader == Connection.ProtocolEditor:
155
375e3c884874 Added code to transmit selections to remote editors.
Detlev Offenbach <detlev@die-offenbachs.de>
parents: 149
diff changeset
342 self.__currentDataType = Connection.Editor
149
a134031209be Added stage 1 of the cooperation functions (chat system).
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
343 else:
a134031209be Added stage 1 of the cooperation functions (chat system).
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
344 self.__currentDataType = Connection.Undefined
a134031209be Added stage 1 of the cooperation functions (chat system).
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
345 self.abort()
a134031209be Added stage 1 of the cooperation functions (chat system).
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
346 return False
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 self.__buffer.clear()
7250
d8bdc55aee1a Started to resolve code style issue M841.
Detlev Offenbach <detlev@die-offenbachs.de>
parents: 7229
diff changeset
349 self.__numBytesForCurrentDataType = (
d8bdc55aee1a Started to resolve code style issue M841.
Detlev Offenbach <detlev@die-offenbachs.de>
parents: 7229
diff changeset
350 self.__dataLengthForCurrentDataType())
149
a134031209be Added stage 1 of the cooperation functions (chat system).
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
351 return True
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 def __hasEnoughData(self):
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 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
356
a134031209be Added stage 1 of the cooperation functions (chat system).
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
357 @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
358 """
a134031209be Added stage 1 of the cooperation functions (chat system).
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
359 if self.__transferTimerId:
a134031209be Added stage 1 of the cooperation functions (chat system).
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
360 self.killTimer(self.__transferTimerId)
a134031209be Added stage 1 of the cooperation functions (chat system).
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
361 self.__transferTimerId = 0
a134031209be Added stage 1 of the cooperation functions (chat system).
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
362
a134031209be Added stage 1 of the cooperation functions (chat system).
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
363 if self.__numBytesForCurrentDataType <= 0:
7250
d8bdc55aee1a Started to resolve code style issue M841.
Detlev Offenbach <detlev@die-offenbachs.de>
parents: 7229
diff changeset
364 self.__numBytesForCurrentDataType = (
d8bdc55aee1a Started to resolve code style issue M841.
Detlev Offenbach <detlev@die-offenbachs.de>
parents: 7229
diff changeset
365 self.__dataLengthForCurrentDataType())
149
a134031209be Added stage 1 of the cooperation functions (chat system).
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
366
7250
d8bdc55aee1a Started to resolve code style issue M841.
Detlev Offenbach <detlev@die-offenbachs.de>
parents: 7229
diff changeset
367 if (self.bytesAvailable() < self.__numBytesForCurrentDataType or
d8bdc55aee1a Started to resolve code style issue M841.
Detlev Offenbach <detlev@die-offenbachs.de>
parents: 7229
diff changeset
368 self.__numBytesForCurrentDataType <= 0):
149
a134031209be Added stage 1 of the cooperation functions (chat system).
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
369 self.__transferTimerId = self.startTimer(TransferTimeout)
a134031209be Added stage 1 of the cooperation functions (chat system).
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
370 return False
a134031209be Added stage 1 of the cooperation functions (chat system).
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
371
a134031209be Added stage 1 of the cooperation functions (chat system).
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
372 return True
a134031209be Added stage 1 of the cooperation functions (chat system).
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
373
a134031209be Added stage 1 of the cooperation functions (chat system).
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
374 def __processData(self):
a134031209be Added stage 1 of the cooperation functions (chat system).
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
375 """
a134031209be Added stage 1 of the cooperation functions (chat system).
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
376 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
377 """
2986
cd4e2cab7eb2 Started to shorten the code lines to max. 79 characters.
Detlev Offenbach <detlev@die-offenbachs.de>
parents: 2953
diff changeset
378 self.__buffer = QByteArray(
cd4e2cab7eb2 Started to shorten the code lines to max. 79 characters.
Detlev Offenbach <detlev@die-offenbachs.de>
parents: 2953
diff changeset
379 self.read(self.__numBytesForCurrentDataType))
149
a134031209be Added stage 1 of the cooperation functions (chat system).
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
380 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
381 self.abort()
a134031209be Added stage 1 of the cooperation functions (chat system).
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
382 return
a134031209be Added stage 1 of the cooperation functions (chat system).
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
383
a134031209be Added stage 1 of the cooperation functions (chat system).
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
384 if self.__currentDataType == Connection.PlainText:
2986
cd4e2cab7eb2 Started to shorten the code lines to max. 79 characters.
Detlev Offenbach <detlev@die-offenbachs.de>
parents: 2953
diff changeset
385 self.newMessage.emit(
cd4e2cab7eb2 Started to shorten the code lines to max. 79 characters.
Detlev Offenbach <detlev@die-offenbachs.de>
parents: 2953
diff changeset
386 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
387 elif self.__currentDataType == Connection.Ping:
6484
8bed668f2a85 Connection: fixed some more QByteArray related issues.
Detlev Offenbach <detlev@die-offenbachs.de>
parents: 6483
diff changeset
388 self.write(QByteArray("{0}{1}1{1}p".format(
8bed668f2a85 Connection: fixed some more QByteArray related issues.
Detlev Offenbach <detlev@die-offenbachs.de>
parents: 6483
diff changeset
389 Connection.ProtocolPong, SeparatorToken).encode("utf-8")))
149
a134031209be Added stage 1 of the cooperation functions (chat system).
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
390 elif self.__currentDataType == Connection.Pong:
a134031209be Added stage 1 of the cooperation functions (chat system).
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
391 self.__pongTime.restart()
a134031209be Added stage 1 of the cooperation functions (chat system).
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
392 elif self.__currentDataType == Connection.GetParticipants:
a134031209be Added stage 1 of the cooperation functions (chat system).
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
393 self.getParticipants.emit()
a134031209be Added stage 1 of the cooperation functions (chat system).
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
394 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
395 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
396 if msg == "<empty>":
a134031209be Added stage 1 of the cooperation functions (chat system).
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
397 participantsList = []
a134031209be Added stage 1 of the cooperation functions (chat system).
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
398 else:
a134031209be Added stage 1 of the cooperation functions (chat system).
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
399 participantsList = msg.split(SeparatorToken)
a134031209be Added stage 1 of the cooperation functions (chat system).
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
400 self.participants.emit(participantsList[:])
155
375e3c884874 Added code to transmit selections to remote editors.
Detlev Offenbach <detlev@die-offenbachs.de>
parents: 149
diff changeset
401 elif self.__currentDataType == Connection.Editor:
7250
d8bdc55aee1a Started to resolve code style issue M841.
Detlev Offenbach <detlev@die-offenbachs.de>
parents: 7229
diff changeset
402 hashStr, fn, msg = (
d8bdc55aee1a Started to resolve code style issue M841.
Detlev Offenbach <detlev@die-offenbachs.de>
parents: 7229
diff changeset
403 str(self.__buffer, encoding="utf-8").split(SeparatorToken))
5597
3d88d53f8c2b Continued fixing code style issues detected by the extended style checker.
Detlev Offenbach <detlev@die-offenbachs.de>
parents: 5587
diff changeset
404 self.editorCommand.emit(hashStr, fn, msg)
149
a134031209be Added stage 1 of the cooperation functions (chat system).
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
405
a134031209be Added stage 1 of the cooperation functions (chat system).
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
406 self.__currentDataType = Connection.Undefined
a134031209be Added stage 1 of the cooperation functions (chat system).
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
407 self.__numBytesForCurrentDataType = 0
a134031209be Added stage 1 of the cooperation functions (chat system).
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
408 self.__buffer.clear()
a134031209be Added stage 1 of the cooperation functions (chat system).
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
409
a134031209be Added stage 1 of the cooperation functions (chat system).
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
410 def sendGetParticipants(self):
a134031209be Added stage 1 of the cooperation functions (chat system).
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
411 """
a134031209be Added stage 1 of the cooperation functions (chat system).
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
412 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
413 """
6484
8bed668f2a85 Connection: fixed some more QByteArray related issues.
Detlev Offenbach <detlev@die-offenbachs.de>
parents: 6483
diff changeset
414 self.write(QByteArray(
2986
cd4e2cab7eb2 Started to shorten the code lines to max. 79 characters.
Detlev Offenbach <detlev@die-offenbachs.de>
parents: 2953
diff changeset
415 "{0}{1}1{1}l".format(
6484
8bed668f2a85 Connection: fixed some more QByteArray related issues.
Detlev Offenbach <detlev@die-offenbachs.de>
parents: 6483
diff changeset
416 Connection.ProtocolGetParticipants, SeparatorToken
8bed668f2a85 Connection: fixed some more QByteArray related issues.
Detlev Offenbach <detlev@die-offenbachs.de>
parents: 6483
diff changeset
417 ).encode("utf-8")
8bed668f2a85 Connection: fixed some more QByteArray related issues.
Detlev Offenbach <detlev@die-offenbachs.de>
parents: 6483
diff changeset
418 ))
149
a134031209be Added stage 1 of the cooperation functions (chat system).
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
419
a134031209be Added stage 1 of the cooperation functions (chat system).
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
420 def sendParticipants(self, participants):
a134031209be Added stage 1 of the cooperation functions (chat system).
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
421 """
a134031209be Added stage 1 of the cooperation functions (chat system).
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
422 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
423
2986
cd4e2cab7eb2 Started to shorten the code lines to max. 79 characters.
Detlev Offenbach <detlev@die-offenbachs.de>
parents: 2953
diff changeset
424 @param participants list of participants (list of strings of
cd4e2cab7eb2 Started to shorten the code lines to max. 79 characters.
Detlev Offenbach <detlev@die-offenbachs.de>
parents: 2953
diff changeset
425 "host:port")
149
a134031209be Added stage 1 of the cooperation functions (chat system).
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
426 """
a134031209be Added stage 1 of the cooperation functions (chat system).
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
427 if participants:
a134031209be Added stage 1 of the cooperation functions (chat system).
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
428 message = SeparatorToken.join(participants)
a134031209be Added stage 1 of the cooperation functions (chat system).
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
429 else:
a134031209be Added stage 1 of the cooperation functions (chat system).
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
430 message = "<empty>"
a134031209be Added stage 1 of the cooperation functions (chat system).
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
431 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
432 data = QByteArray("{0}{1}{2}{1}".format(
4327
ff666d8230f7 Changed code to make eric compatible to PyQt 5.5 (QByteArry issue).
Detlev Offenbach <detlev@die-offenbachs.de>
parents: 4021
diff changeset
433 Connection.ProtocolParticipants, SeparatorToken, msg.size())
4331
711e7c35a49b Changed code to make eric compatible to PyQt 5.5 (QByteArry issue).
Detlev Offenbach <detlev@die-offenbachs.de>
parents: 4327
diff changeset
434 .encode("utf-8")) + msg
149
a134031209be Added stage 1 of the cooperation functions (chat system).
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
435 self.write(data)
155
375e3c884874 Added code to transmit selections to remote editors.
Detlev Offenbach <detlev@die-offenbachs.de>
parents: 149
diff changeset
436
375e3c884874 Added code to transmit selections to remote editors.
Detlev Offenbach <detlev@die-offenbachs.de>
parents: 149
diff changeset
437 def sendEditorCommand(self, projectHash, filename, message):
375e3c884874 Added code to transmit selections to remote editors.
Detlev Offenbach <detlev@die-offenbachs.de>
parents: 149
diff changeset
438 """
375e3c884874 Added code to transmit selections to remote editors.
Detlev Offenbach <detlev@die-offenbachs.de>
parents: 149
diff changeset
439 Public method to send an editor command.
375e3c884874 Added code to transmit selections to remote editors.
Detlev Offenbach <detlev@die-offenbachs.de>
parents: 149
diff changeset
440
375e3c884874 Added code to transmit selections to remote editors.
Detlev Offenbach <detlev@die-offenbachs.de>
parents: 149
diff changeset
441 @param projectHash hash of the project (string)
945
8cd4d08fa9f6 Made code mostly PEP 8 compliant (except all whitespace and line length).
Detlev Offenbach <detlev@die-offenbachs.de>
parents: 791
diff changeset
442 @param filename project relative universal file name of
155
375e3c884874 Added code to transmit selections to remote editors.
Detlev Offenbach <detlev@die-offenbachs.de>
parents: 149
diff changeset
443 the sending editor (string)
375e3c884874 Added code to transmit selections to remote editors.
Detlev Offenbach <detlev@die-offenbachs.de>
parents: 149
diff changeset
444 @param message editor command to be sent (string)
375e3c884874 Added code to transmit selections to remote editors.
Detlev Offenbach <detlev@die-offenbachs.de>
parents: 149
diff changeset
445 """
375e3c884874 Added code to transmit selections to remote editors.
Detlev Offenbach <detlev@die-offenbachs.de>
parents: 149
diff changeset
446 msg = QByteArray("{0}{1}{2}{1}{3}".format(
375e3c884874 Added code to transmit selections to remote editors.
Detlev Offenbach <detlev@die-offenbachs.de>
parents: 149
diff changeset
447 projectHash, SeparatorToken, filename, message).encode("utf-8"))
375e3c884874 Added code to transmit selections to remote editors.
Detlev Offenbach <detlev@die-offenbachs.de>
parents: 149
diff changeset
448 data = QByteArray("{0}{1}{2}{1}".format(
4327
ff666d8230f7 Changed code to make eric compatible to PyQt 5.5 (QByteArry issue).
Detlev Offenbach <detlev@die-offenbachs.de>
parents: 4021
diff changeset
449 Connection.ProtocolEditor, SeparatorToken, msg.size())
4331
711e7c35a49b Changed code to make eric compatible to PyQt 5.5 (QByteArry issue).
Detlev Offenbach <detlev@die-offenbachs.de>
parents: 4327
diff changeset
450 .encode("utf-8")) + msg
155
375e3c884874 Added code to transmit selections to remote editors.
Detlev Offenbach <detlev@die-offenbachs.de>
parents: 149
diff changeset
451 self.write(data)
164
b395b006d2a8 Fixed a few issues with the new cooperation stuff.
Detlev Offenbach <detlev@die-offenbachs.de>
parents: 162
diff changeset
452
b395b006d2a8 Fixed a few issues with the new cooperation stuff.
Detlev Offenbach <detlev@die-offenbachs.de>
parents: 162
diff changeset
453 def __disconnected(self):
b395b006d2a8 Fixed a few issues with the new cooperation stuff.
Detlev Offenbach <detlev@die-offenbachs.de>
parents: 162
diff changeset
454 """
b395b006d2a8 Fixed a few issues with the new cooperation stuff.
Detlev Offenbach <detlev@die-offenbachs.de>
parents: 162
diff changeset
455 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
456 """
b395b006d2a8 Fixed a few issues with the new cooperation stuff.
Detlev Offenbach <detlev@die-offenbachs.de>
parents: 162
diff changeset
457 self.__pingTimer.stop()
b395b006d2a8 Fixed a few issues with the new cooperation stuff.
Detlev Offenbach <detlev@die-offenbachs.de>
parents: 162
diff changeset
458 if self.__state == Connection.WaitingForGreeting:
3190
a9a94491c4fd Changed the code to use QObject.tr() instead of QObject.trUtf8().
Detlev Offenbach <detlev@die-offenbachs.de>
parents: 3160
diff changeset
459 self.rejected.emit(self.tr(
2986
cd4e2cab7eb2 Started to shorten the code lines to max. 79 characters.
Detlev Offenbach <detlev@die-offenbachs.de>
parents: 2953
diff changeset
460 "* 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
461 self.peerName(), self.peerPort()))

eric ide

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