2006-07-09 14:14:57 +00:00
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<title>Module HowTo - Advanced upload options</title>
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<link rel="stylesheet" type="text/css" href="style/layout.css">
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2008-01-06 18:15:35 +00:00
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<link rel="shortcut icon" type="image/x-icon" href="images/favicon.ico">
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2006-07-09 14:14:57 +00:00
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</head>
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<body>
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<div style="text-align: center;">
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<h1>Module HowTo - Advanced upload options<br>
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</h1>
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<div style="text-align: left;"><br>
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The <span style="font-style: italic;">ieee802Device</span> module only
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needs the basic upload functions for its functionality.<br>
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However there are more possibilities for the modules to control the
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file upload.<br>
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</div>
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<div style="text-align: left;"><br>
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<h2>1. Module order<br>
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</h2>
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Your module might depend on the input values of another module. In this
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case you probably want that your module is called as the second one.<br>
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<br>
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You can define dependencies to other modules with the function <span
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style="font-weight: bold;">get_uploadPreDepends()</span> or <span
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style="font-weight: bold;">meta['upload_preDepends']</span>.<br>
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<br>
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<span style="font-weight: bold; text-decoration: underline;">Example:</span><br
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style="font-weight: bold; text-decoration: underline;">
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<br>
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The <span style="font-style: italic;">sambaGroupMapping</span> module
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needs the group name to set the default <span
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style="font-style: italic;">displayName</span>. Therefore it depends
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on the <span style="font-style: italic;">posixGroup</span> module<br>
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<br>
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<table style="width: 100%; text-align: left;" class="mod-code"
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border="0" cellpadding="2" cellspacing="2">
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<tbody>
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<tr>
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<td style="vertical-align: top;"> /**<br>
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* Returns meta data that is interpreted by parent
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class<br>
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*<br>
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* @return array array with meta data<br>
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*/<br>
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<span style="font-weight: bold;"> function</span>
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get_metaData() {<br>
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$return = array();<br>
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// upload dependencies<br>
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$return[<span
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style="color: rgb(255, 0, 0);">'upload_preDepends'</span>] =
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array('posixGroup');<br>
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[...]<br>
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</td>
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</tr>
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</tbody>
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</table>
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<br>
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<br>
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<h2>2. Upload post actions<br>
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</h2>
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If your module does not only create an account but relates the account
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with other existing LDAP entries you can do these modifications after
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the account was created.<br>
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This is useful for adding users to groups or setting quotas.<br>
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<br>
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You have to implement the function <span style="font-weight: bold;">doUploadPostActions()</span>
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in your module. Since post actions are very special there is no <span
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style="font-style: italic;">meta data</span> for this.<br>
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<br>
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<span style="font-weight: bold; text-decoration: underline;">Example:</span><br
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style="font-weight: bold; text-decoration: underline;">
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<br>
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The <span style="font-style: italic;">posixAccount</span> module
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offers to put the user account in additional groups. This is done in
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the post actions.<br>
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<br>
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<table style="width: 100%; text-align: left;" class="mod-code"
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border="0" cellpadding="2" cellspacing="2">
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<tbody>
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<tr>
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<td style="vertical-align: top;"> /**<br>
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* This function executes one post upload action.<br>
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*<br>
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* @param array $data array containing one account in
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each element<br>
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* @param array $ids array(<column_name> =>
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<column number>)<br>
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* @param array $failed list of accounts which were
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not created successfully<br>
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* @param array $temp variable to store temporary
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data between two post actions<br>
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* @return array current status<br>
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* <br> array (<br>
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* <br> 'status' => 'finished' |
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'inProgress'<br>
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* <br> 'progress' => 0..100<br>
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* <br> 'errors' => array (<array
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of parameters for StatusMessage>)<br>
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* <br> )<br>
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*/<br>
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<span style="font-weight: bold;">function</span> <span
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style="color: rgb(255, 0, 0);">doUploadPostActions</span>($data, $ids,
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$failed, &$temp) {<br>
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[...]<br>
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}<br>
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</td>
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</tr>
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</tbody>
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</table>
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<br>
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Please make sure that the actions in one call of <span
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style="font-weight: bold;">doUploadPostActions()</span> are not very
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time consuming (only one LDAP operation). Your function will be called
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repeatedly until you give back the status "finished".<br>
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This allows LAM to avoid running longer than the maximum execution time
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by sending meta refreshes to the browser.<br>
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<span style="font-weight: bold;"></span>
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<h2><span style="font-weight: bold;"></span></h2>
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</div>
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</div>
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</body>
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</html>
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