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Documentation/Source/eric4.Utilities.SingleApplication.html
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| 1 <?xml version="1.0" encoding="utf-8"?> | |
| 2 <!DOCTYPE html PUBLIC '-//W3C//DTD XHTML 1.0 Strict//EN' | |
| 3 'http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd'> | |
| 4 <html><head> | |
| 5 <title>eric4.Utilities.SingleApplication</title> | |
| 6 <style> | |
| 7 body { | |
| 8 background:white; | |
| 9 margin: 0em 1em 10em 1em; | |
| 10 color: black; | |
| 11 } | |
| 12 | |
| 13 h1 { color: white; background: #4FA4FF; } | |
| 14 h2 { color: white; background: #4FA4FF; } | |
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| 16 h4 { color: white; background: #00557F; } | |
| 17 | |
| 18 a { color: #AA5500; } | |
| 19 | |
| 20 </style> | |
| 21 </head> | |
| 22 <body><a NAME="top" ID="top"></a> | |
| 23 <h1>eric4.Utilities.SingleApplication</h1> | |
| 24 <p> | |
| 25 Module implementing the single application server and client. | |
| 26 </p> | |
| 27 <h3>Global Attributes</h3> | |
| 28 <table> | |
| 29 <tr><td>None</td></tr> | |
| 30 </table> | |
| 31 <h3>Classes</h3> | |
| 32 <table> | |
| 33 <tr> | |
| 34 <td><a href="#SingleApplicationClient">SingleApplicationClient</a></td> | |
| 35 <td>Class implementing the single application client base class.</td> | |
| 36 </tr><tr> | |
| 37 <td><a href="#SingleApplicationServer">SingleApplicationServer</a></td> | |
| 38 <td>Class implementing the single application server base class.</td> | |
| 39 </tr> | |
| 40 </table> | |
| 41 <h3>Functions</h3> | |
| 42 <table> | |
| 43 <tr><td>None</td></tr> | |
| 44 </table> | |
| 45 <hr /><hr /> | |
| 46 <a NAME="SingleApplicationClient" ID="SingleApplicationClient"></a> | |
| 47 <h2>SingleApplicationClient</h2> | |
| 48 <p> | |
| 49 Class implementing the single application client base class. | |
| 50 </p> | |
| 51 <h3>Derived from</h3> | |
| 52 object | |
| 53 <h3>Class Attributes</h3> | |
| 54 <table> | |
| 55 <tr><td>None</td></tr> | |
| 56 </table> | |
| 57 <h3>Methods</h3> | |
| 58 <table> | |
| 59 <tr> | |
| 60 <td><a href="#SingleApplicationClient.__init__">SingleApplicationClient</a></td> | |
| 61 <td>Constructor</td> | |
| 62 </tr><tr> | |
| 63 <td><a href="#SingleApplicationClient.connect">connect</a></td> | |
| 64 <td>Public method to connect the single application client to its server.</td> | |
| 65 </tr><tr> | |
| 66 <td><a href="#SingleApplicationClient.disconnect">disconnect</a></td> | |
| 67 <td>Public method to disconnect from the Single Appliocation server.</td> | |
| 68 </tr><tr> | |
| 69 <td><a href="#SingleApplicationClient.errstr">errstr</a></td> | |
| 70 <td>Public method to return a meaningful error string for the last error.</td> | |
| 71 </tr><tr> | |
| 72 <td><a href="#SingleApplicationClient.processArgs">processArgs</a></td> | |
| 73 <td>Public method to process the command line args passed to the UI.</td> | |
| 74 </tr><tr> | |
| 75 <td><a href="#SingleApplicationClient.sendCommand">sendCommand</a></td> | |
| 76 <td>Public method to send the command to the application server.</td> | |
| 77 </tr> | |
| 78 </table> | |
| 79 <a NAME="SingleApplicationClient.__init__" ID="SingleApplicationClient.__init__"></a> | |
| 80 <h4>SingleApplicationClient (Constructor)</h4> | |
| 81 <b>SingleApplicationClient</b>(<i>name</i>) | |
| 82 <p> | |
| 83 Constructor | |
| 84 </p><dl> | |
| 85 <dt><i>name</i></dt> | |
| 86 <dd> | |
| 87 name of the local server to connect to (string) | |
| 88 </dd> | |
| 89 </dl><a NAME="SingleApplicationClient.connect" ID="SingleApplicationClient.connect"></a> | |
| 90 <h4>SingleApplicationClient.connect</h4> | |
| 91 <b>connect</b>(<i></i>) | |
| 92 <p> | |
| 93 Public method to connect the single application client to its server. | |
| 94 </p><dl> | |
| 95 <dt>Returns:</dt> | |
| 96 <dd> | |
| 97 value indicating success or an error number. Value is one of: | |
| 98 <table> | |
| 99 <tr><td>0</td><td>No application is running</td></tr> | |
| 100 <tr><td>1</td><td>Application is already running</td></tr> | |
| 101 </table> | |
| 102 </dd> | |
| 103 </dl><a NAME="SingleApplicationClient.disconnect" ID="SingleApplicationClient.disconnect"></a> | |
| 104 <h4>SingleApplicationClient.disconnect</h4> | |
| 105 <b>disconnect</b>(<i></i>) | |
| 106 <p> | |
| 107 Public method to disconnect from the Single Appliocation server. | |
| 108 </p><a NAME="SingleApplicationClient.errstr" ID="SingleApplicationClient.errstr"></a> | |
| 109 <h4>SingleApplicationClient.errstr</h4> | |
| 110 <b>errstr</b>(<i></i>) | |
| 111 <p> | |
| 112 Public method to return a meaningful error string for the last error. | |
| 113 </p><dl> | |
| 114 <dt>Returns:</dt> | |
| 115 <dd> | |
| 116 error string for the last error (string) | |
| 117 </dd> | |
| 118 </dl><a NAME="SingleApplicationClient.processArgs" ID="SingleApplicationClient.processArgs"></a> | |
| 119 <h4>SingleApplicationClient.processArgs</h4> | |
| 120 <b>processArgs</b>(<i>args</i>) | |
| 121 <p> | |
| 122 Public method to process the command line args passed to the UI. | |
| 123 </p><p> | |
| 124 <b>Note</b>: This method must be overridden by subclasses. | |
| 125 </p><dl> | |
| 126 <dt><i>args</i></dt> | |
| 127 <dd> | |
| 128 command line args (list of strings) | |
| 129 </dd> | |
| 130 </dl><a NAME="SingleApplicationClient.sendCommand" ID="SingleApplicationClient.sendCommand"></a> | |
| 131 <h4>SingleApplicationClient.sendCommand</h4> | |
| 132 <b>sendCommand</b>(<i>cmd</i>) | |
| 133 <p> | |
| 134 Public method to send the command to the application server. | |
| 135 </p><dl> | |
| 136 <dt><i>cmd</i></dt> | |
| 137 <dd> | |
| 138 command to be sent (string) | |
| 139 </dd> | |
| 140 </dl> | |
| 141 <div align="right"><a href="#top">Up</a></div> | |
| 142 <hr /><hr /> | |
| 143 <a NAME="SingleApplicationServer" ID="SingleApplicationServer"></a> | |
| 144 <h2>SingleApplicationServer</h2> | |
| 145 <p> | |
| 146 Class implementing the single application server base class. | |
| 147 </p> | |
| 148 <h3>Derived from</h3> | |
| 149 QLocalServer | |
| 150 <h3>Class Attributes</h3> | |
| 151 <table> | |
| 152 <tr><td>None</td></tr> | |
| 153 </table> | |
| 154 <h3>Methods</h3> | |
| 155 <table> | |
| 156 <tr> | |
| 157 <td><a href="#SingleApplicationServer.__init__">SingleApplicationServer</a></td> | |
| 158 <td>Constructor</td> | |
| 159 </tr><tr> | |
| 160 <td><a href="#SingleApplicationServer.__disconnected">__disconnected</a></td> | |
| 161 <td>Private method to handle the closure of the socket.</td> | |
| 162 </tr><tr> | |
| 163 <td><a href="#SingleApplicationServer.__newConnection">__newConnection</a></td> | |
| 164 <td>Private slot to handle a new connection.</td> | |
| 165 </tr><tr> | |
| 166 <td><a href="#SingleApplicationServer.__parseLine">__parseLine</a></td> | |
| 167 <td>Private method to handle data from the client.</td> | |
| 168 </tr><tr> | |
| 169 <td><a href="#SingleApplicationServer.handleCommand">handleCommand</a></td> | |
| 170 <td>Public slot to handle the command sent by the client.</td> | |
| 171 </tr><tr> | |
| 172 <td><a href="#SingleApplicationServer.shutdown">shutdown</a></td> | |
| 173 <td>Public method used to shut down the server.</td> | |
| 174 </tr> | |
| 175 </table> | |
| 176 <a NAME="SingleApplicationServer.__init__" ID="SingleApplicationServer.__init__"></a> | |
| 177 <h4>SingleApplicationServer (Constructor)</h4> | |
| 178 <b>SingleApplicationServer</b>(<i>name</i>) | |
| 179 <p> | |
| 180 Constructor | |
| 181 </p><dl> | |
| 182 <dt><i>name</i></dt> | |
| 183 <dd> | |
| 184 name this server is listening to (string) | |
| 185 </dd> | |
| 186 </dl><a NAME="SingleApplicationServer.__disconnected" ID="SingleApplicationServer.__disconnected"></a> | |
| 187 <h4>SingleApplicationServer.__disconnected</h4> | |
| 188 <b>__disconnected</b>(<i></i>) | |
| 189 <p> | |
| 190 Private method to handle the closure of the socket. | |
| 191 </p><a NAME="SingleApplicationServer.__newConnection" ID="SingleApplicationServer.__newConnection"></a> | |
| 192 <h4>SingleApplicationServer.__newConnection</h4> | |
| 193 <b>__newConnection</b>(<i></i>) | |
| 194 <p> | |
| 195 Private slot to handle a new connection. | |
| 196 </p><a NAME="SingleApplicationServer.__parseLine" ID="SingleApplicationServer.__parseLine"></a> | |
| 197 <h4>SingleApplicationServer.__parseLine</h4> | |
| 198 <b>__parseLine</b>(<i></i>) | |
| 199 <p> | |
| 200 Private method to handle data from the client. | |
| 201 </p><a NAME="SingleApplicationServer.handleCommand" ID="SingleApplicationServer.handleCommand"></a> | |
| 202 <h4>SingleApplicationServer.handleCommand</h4> | |
| 203 <b>handleCommand</b>(<i>cmd, params</i>) | |
| 204 <p> | |
| 205 Public slot to handle the command sent by the client. | |
| 206 </p><p> | |
| 207 <b>Note</b>: This method must be overridden by subclasses. | |
| 208 </p><dl> | |
| 209 <dt><i>cmd</i></dt> | |
| 210 <dd> | |
| 211 commandstring (string) | |
| 212 </dd><dt><i>params</i></dt> | |
| 213 <dd> | |
| 214 parameterstring (string) | |
| 215 </dd> | |
| 216 </dl><a NAME="SingleApplicationServer.shutdown" ID="SingleApplicationServer.shutdown"></a> | |
| 217 <h4>SingleApplicationServer.shutdown</h4> | |
| 218 <b>shutdown</b>(<i></i>) | |
| 219 <p> | |
| 220 Public method used to shut down the server. | |
| 221 </p> | |
| 222 <div align="right"><a href="#top">Up</a></div> | |
| 223 <hr /> | |
| 224 </body></html> |
