egroupware/phpgwapi/inc/horde/Horde/SyncML/Sync/TwoWaySync.php
2006-07-09 07:27:23 +00:00

255 lines
10 KiB
PHP

<?php
include_once 'Horde/SyncML/Sync.php';
include_once 'Horde/SyncML/Command/Sync/ContentSyncElement.php';
/**
* $Horde: framework/SyncML/SyncML/Sync/TwoWaySync.php,v 1.12 2004/07/26 09:24:38 jan Exp $
*
* Copyright 2003-2004 Anthony Mills <amills@pyramid6.com>
*
* See the enclosed file COPYING for license information (LGPL). If you
* did not receive this file, see http://www.fsf.org/copyleft/lgpl.html.
*
* @author Anthony Mills <amills@pyramid6.com>
* @author Karsten Fourmont <fourmont@gmx.de>
*
* @version $Revision$
* @since Horde 3.0
* @package Horde_SyncML
*/
class Horde_SyncML_Sync_TwoWaySync extends Horde_SyncML_Sync {
function endSync($currentCmdID, &$output) {
global $registry;
$state = &$_SESSION['SyncML.state'];
$syncType = $this->_targetLocURI;
$hordeType = str_replace('./','',$syncType);
$refts = $state->getServerAnchorLast($syncType);
$currentCmdID = $this->handleSync($currentCmdID,
$hordeType,
$syncType,
$output,
$refts);
if ($syncType == 'calendar' && $state->handleTasksInCalendar()) {
Horde::logMessage("SyncML: handling tasks in calendar sync", __FILE__, __LINE__, PEAR_LOG_DEBUG);
$currentCmdID = $this->handleSync($currentCmdID, 'tasks', $syncType,
$output, $refts);
}
return $currentCmdID;
}
function handleSync($currentCmdID, $hordeType, $syncType,&$output, $refts) {
global $registry;
// array of Items which got modified, but got never send to the client before
$missedAdds = array();
$history = $GLOBALS['phpgw']->contenthistory;
$state = &$_SESSION['SyncML.state'];
$counter = 0;
$changes = &$state->getChangedItems($hordeType);
$deletes = &$state->getDeletedItems($hordeType);
$adds = &$state->getAddedItems($hordeType);
Horde::logMessage("SyncML: ".count($changes).' changed items found for '.$hordeType, __FILE__, __LINE__, PEAR_LOG_DEBUG);
Horde::logMessage("SyncML: ".count($deletes).' deleted items found for '.$hordeType, __FILE__, __LINE__, PEAR_LOG_DEBUG);
Horde::logMessage("SyncML: ".count($adds). ' added items found for '.$hordeType , __FILE__, __LINE__, PEAR_LOG_DEBUG);
// handle changes
if(is_array($changes)) {
while($guid = array_shift($changes)) {
$guid_ts = $history->getTSforAction($guid, 'modify');
$sync_ts = $state->getChangeTS($syncType, $guid);
Horde::logMessage("SyncML: timestamp modify guid_ts: $guid_ts sync_ts: $sync_ts", __FILE__, __LINE__, PEAR_LOG_DEBUG);
if ($sync_ts && $sync_ts == $guid_ts) {
// Change was done by us upon request of client.
// Don't mirror that back to the client.
Horde::logMessage("SyncML: change: $guid ignored, came from client", __FILE__, __LINE__, PEAR_LOG_DEBUG);
continue;
}
Horde::logMessage("SyncML: change $guid hs_ts:$guid_ts dt_ts:" . $state->getChangeTS($syncType, $guid), __FILE__, __LINE__, PEAR_LOG_DEBUG);
$locid = $state->getLocID($syncType, $guid);
if (!$locid) {
// somehow we missed to add, lets store the uid, so we add this entry later
$missedAdds[] = $guid;
Horde::logMessage("SyncML: unable to create change for $guid: locid not found in map", __FILE__, __LINE__, PEAR_LOG_WARNING);
continue;
}
// Create a replace request for client.
$contentType = $state->getPreferedContentTypeClient($this->_sourceLocURI);
if(is_a($contentType, 'PEAR_Error')) {
// Client did not sent devinfo
$contentType = array('ContentType' => $state->getPreferedContentType($this->_targetLocURI));
}
$c = $registry->call($hordeType. '/export',
array('guid' => $guid, 'contentType' => $contentType));
if (!is_a($c, 'PEAR_Error')) {
// Item in history but not in database. Strange, but can happen.
Horde::logMessage("SyncML: change: $guid export content: $c", __FILE__, __LINE__, PEAR_LOG_DEBUG);
$cmd = &new Horde_SyncML_Command_Sync_ContentSyncElement();
# LK $cmd->setContent($state->convertServer2Client($c, $contentType));
$cmd->setContent($c);
$cmd->setSourceURI($guid);
$cmd->setTargetURI($locid);
$cmd->setContentType($contentType['ContentType']);
if($hordeType == 'sifcalendar' || $hordeType == 'sifcontacts' || $hordeType == 'siftasks') {
$cmd->setContentFormat('b64');
}
$currentCmdID = $cmd->outputCommand($currentCmdID, $output, 'Replace');
$state->log('Server-Replace');
// return if we have to much data
if(++$counter >= MAX_ENTRIES && $hordeType != 'sifcalendar' && $hordeType != 'sifcontacts' && $hordeType != 'siftasks') {
$state->setSyncStatus(SERVER_SYNC_DATA_PENDING);
return $currentCmdID;
}
}
}
}
Horde::logMessage("SyncML: handling sync (changes done) ".$currentCmdID, __FILE__, __LINE__, PEAR_LOG_DEBUG);
// handle deletes
if(is_array($deletes)) {
while($guid = array_shift($deletes)) {
$guid_ts = $history->getTSforAction($guid, 'delete');
$sync_ts = $state->getChangeTS($syncType, $guid);
Horde::logMessage("SyncML: timestamp delete guid_ts: $guid_ts sync_ts: $sync_ts", __FILE__, __LINE__, PEAR_LOG_DEBUG);
if ($sync_ts && $sync_ts == $guid_ts) {
// Change was done by us upon request of client.
// Don't mirror that back to the client.
Horde::logMessage("SyncML: delete $guid ignored, came from client", __FILE__, __LINE__, PEAR_LOG_DEBUG);
continue;
}
$locid = $state->getLocID($syncType, $guid);
if (!$locid) {
Horde::logMessage("SyncML: unable to create delete for $guid: locid not found in map", __FILE__, __LINE__, PEAR_LOG_WARNING);
continue;
}
Horde::logMessage("SyncML: delete: $guid", __FILE__, __LINE__, PEAR_LOG_DEBUG);
// Create a Delete request for client.
$cmd = &new Horde_SyncML_Command_Sync_ContentSyncElement();
$cmd->setTargetURI($locid);
$cmd->setSourceURI($guid);
$currentCmdID = $cmd->outputCommand($currentCmdID, $output, 'Delete');
$state->log('Server-Delete');
$state->removeUID($syncType, $locid);
// return if we have to much data
if(++$counter >= MAX_ENTRIES && $hordeType != 'sifcalender' && $hordeType != 'sifcontacts' &&$hordeType != 'siftasks') {
$state->setSyncStatus(SERVER_SYNC_DATA_PENDING);
return $currentCmdID;
}
}
}
#Horde::logMessage("SyncML: handling sync ".$currentCmdID, __FILE__, __LINE__, PEAR_LOG_DEBUG);
// handle missing adds.
if(count($missedAdds) > 0) {
Horde::logMessage("SyncML: add missed changes as adds ".count($adds).' / '.$missedAdds[0], __FILE__, __LINE__, PEAR_LOG_DEBUG);
$state->setAddedItems($hordeType, array_merge($adds, $missedAdds));
$adds = &$state->getAddedItems($hordeType);
Horde::logMessage("SyncML: merged adds counter ".count($adds).' / '.$adds[0], __FILE__, __LINE__, PEAR_LOG_DEBUG);
}
if(is_array($adds)) {
while($guid = array_shift($adds)) {
$guid_ts = $history->getTSforAction($guid, 'add');
$sync_ts = $state->getChangeTS($syncType, $guid);
Horde::logMessage("SyncML: timestamp add $guid guid_ts: $guid_ts sync_ts: $sync_ts", __FILE__, __LINE__, PEAR_LOG_DEBUG);
if ($sync_ts && $sync_ts == $guid_ts) {
// Change was done by us upon request of client.
// Don't mirror that back to the client.
Horde::logMessage("SyncML: add: $guid ignored, came from client", __FILE__, __LINE__, PEAR_LOG_DEBUG);
continue;
}
$locid = $state->getLocID($syncType, $guid);
if ($locid && $refts == 0) {
// For slow sync (ts=0): do not add data for which we
// have a locid again. This is a heuristic to avoid
// duplication of entries.
Horde::logMessage("SyncML: skipping add of guid $guid as there already is a locid $locid", __FILE__, __LINE__, PEAR_LOG_DEBUG);
continue;
}
Horde::logMessage("SyncML: add: $guid", __FILE__, __LINE__, PEAR_LOG_DEBUG);
// Create an Add request for client.
$contentType = $state->getPreferedContentTypeClient($this->_sourceLocURI);
if(is_a($contentType, 'PEAR_Error')) {
// Client did not sent devinfo
$contentType = array('ContentType' => $state->getPreferedContentType($this->_targetLocURI));
}
$cmd = &new Horde_SyncML_Command_Sync_ContentSyncElement();
$c = $registry->call($hordeType . '/export',
array(
'guid' => $guid ,
'contentType' => $contentType ,
)
);
if (!is_a($c, 'PEAR_Error')) {
// Item in history but not in database. Strange, but can happen.
$cmd->setContent($c);
if($hordeType == 'sifcalendar' || $hordeType == 'sifcontacts' || $hordeType == 'siftasks') {
$cmd->setContentFormat('b64');
}
$cmd->setContentType($contentType['ContentType']);
$cmd->setSourceURI($guid);
$currentCmdID = $cmd->outputCommand($currentCmdID, $output, 'Add');
$state->log('Server-Add');
// return if we have to much data
if(++$counter >= MAX_ENTRIES && $hordeType != 'sifcalendar' && $hordeType != 'sifcontacts' &&$hordeType != 'siftasks') {
$state->setSyncStatus(SERVER_SYNC_DATA_PENDING);
return $currentCmdID;
}
}
}
}
Horde::logMessage("SyncML: handling sync ".$currentCmdID, __FILE__, __LINE__, PEAR_LOG_DEBUG);
$state->clearSync($syncType);
return $currentCmdID;
}
function loadData()
{
global $registry;
$state = &$_SESSION['SyncML.state'];
$syncType = $this->_targetLocURI;
$hordeType = str_replace('./','',$syncType);
$refts = $state->getServerAnchorLast($syncType);
Horde::logMessage("SyncML: reading changed items from database for $hordeType", __FILE__, __LINE__, PEAR_LOG_DEBUG);
$state->setChangedItems($hordeType, $registry->call($hordeType. '/listBy', array('action' => 'modify', 'timestamp' => $refts)));
Horde::logMessage("SyncML: reading deleted items from database for $hordeType", __FILE__, __LINE__, PEAR_LOG_DEBUG);
$state->setDeletedItems($hordeType, $registry->call($hordeType. '/listBy', array('action' => 'delete', 'timestamp' => $refts)));
Horde::logMessage("SyncML: reading added items from database for $hordeType", __FILE__, __LINE__, PEAR_LOG_DEBUG);
$state->setAddedItems($hordeType, $registry->call($hordeType. '/listBy', array('action' => 'add', 'timestamp' => $refts)));
$this->_syncDataLoaded = TRUE;
return count($state->getChangedItems($hordeType)) +
count($state->getDeletedItems($hordeType)) +
count($state->getAddedItems($hordeType));
}
}