egroupware/phpgwapi/inc/horde/Horde/SyncML/Sync/SlowSync.php

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<?php
include_once 'Horde/SyncML/Sync/TwoWaySync.php';
/**
* Slow sync may just work; I think most of the work is going to be
* done by the API.
*
* $Horde: framework/SyncML/SyncML/Sync/SlowSync.php,v 1.7 2004/05/26 17:32:50 chuck 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>
* @version $Revision$
* @since Horde 3.0
* @package Horde_SyncML
*/
class Horde_SyncML_Sync_SlowSync extends Horde_SyncML_Sync_TwoWaySync {
function handleSync($currentCmdID, $hordeType, $syncType,&$output, $refts)
{
global $registry;
$history = $GLOBALS['phpgw']->contenthistory;
$state = &$_SESSION['SyncML.state'];
$adds = &$state->getAddedItems($hordeType);
#if($adds === FALSE)
#{
# Horde::logMessage("SyncML: reading added items from database", __FILE__, __LINE__, PEAR_LOG_DEBUG);
# $state->setAddedItems($hordeType, $registry->call($hordeType. '/list', array()));
# $adds = &$state->getAddedItems($hordeType);
#}
#Horde::logMessage("SyncML: ".count($adds). ' added items found for '.$hordeType , __FILE__, __LINE__, PEAR_LOG_DEBUG);
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$serverAnchorNext = $state->getServerAnchorNext($syncType);
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$counter = 0;
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while($guid = array_shift($adds))
{
#$guid_ts = max($history->getTSforAction($guid, 'add'),$history->getTSforAction($guid, 'modify'));
$sync_ts = $state->getChangeTS($syncType, $guid);
#Horde::logMessage("SyncML: slowsync timestamp add: $guid sync_ts: $sync_ts anchorNext: ". $serverAnchorNext.' / '.time(), __FILE__, __LINE__, PEAR_LOG_DEBUG);
// $sync_ts it got synced from client to server someone
// $sync_ts >= $serverAnchorNext it got synced from client to server in this sync package already
if ($sync_ts && $sync_ts >= $serverAnchorNext) {
// Change was done by us upon request of client.
// Don't mirror that back to the client.
//Horde::logMessage("SyncML: slowsync add: $guid ignored, came from client", __FILE__, __LINE__, PEAR_LOG_DEBUG);
continue;
}
#$locid = $state->getLocID($syncType, $guid);
// Create an Add request for client.
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# LK $contentType = $state->getPreferedContentTypeClient($syncType);
$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));
#Horde::logMessage("SyncML: slowsync add to server $c", __FILE__, __LINE__, PEAR_LOG_DEBUG);
if (!is_a($c, 'PEAR_Error')) {
// Item in history but not in database. Strange, but
// can happen.
#LK $cmd->setContent($state->convertServer2Client($c, $contentType));
$cmd->setContent($c);
$cmd->setContentType($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)
{
$state->setSyncStatus(SERVER_SYNC_DATA_PENDING);
return $currentCmdID;
}
}
}
#Horde::logMessage("SyncML: handling sync ".$currentCmdID, __FILE__, __LINE__, PEAR_LOG_DEBUG);
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$state->clearSync($syncType);
return $currentCmdID;
}
/**
* Here's where the actual processing of a client-sent Sync
* Command takes place. Entries are added or replaced
* from the server database by using Horde API (Registry) calls.
*/
function runSyncCommand(&$command) {
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Horde::logMessage('SyncML: content type is ' . $command->getContentType() .' moreData '. $command->_moreData, __FILE__, __LINE__, PEAR_LOG_DEBUG);
global $registry;
$history = $GLOBALS['egw']->contenthistory;
$state = &$_SESSION['SyncML.state'];
if(isset($state->_moreData['luid'])) {
if(($command->_luid == $state->_moreData['luid'])) {
Horde::logMessage('SyncML: got next moreData chunk '.$command->getContent(), __FILE__, __LINE__, PEAR_LOG_DEBUG);
$lastChunks = implode('',$state->_moreData['chunks']);
$command->_content = $lastChunks.$command->_content;
$stringlen1 = strlen($lastChunks);
$stringlen2 = strlen($command->_content);
if(!$command->_moreData && strlen($command->_content) != $state->_moreData['contentSize']) {
$command->_status = RESPONSE_SIZE_MISMATCH;
$state->_moreData = array();
return;
} elseif(!$command->_moreData && strlen($command->_content) == $state->_moreData['contentSize']) {
$state->_moreData = array();
Horde::logMessage('SyncML: chunk ended successful type is ' . $command->getContentType() .' content is '. $command->getContent(), __FILE__, __LINE__, PEAR_LOG_DEBUG);
}
} else {
// alert 223 needed too
#$command->_status = ALERT_NO_END_OF_DATA;
$state->_moreData = array();
return;
}
}
// don't add/replace the data currently, they are not yet complete
if($command->_moreData == TRUE) {
$state->_moreData['chunks'][] = $command->_content;
$state->_moreData['luid'] = $command->_luid;
// gets only set with the first chunk of data
if(isset($command->_contentSize))
$state->_moreData['contentSize'] = $command->_contentSize;
$command->_status = RESPONSE_CHUNKED_ITEM_ACCEPTED_AND_BUFFERED;
Horde::logMessage('SyncML: added moreData chunk '.$command->getContent(), __FILE__, __LINE__, PEAR_LOG_DEBUG);
return;
}
$hordeType = $type = $this->_targetLocURI;
// remove the './' from the beginning
$hordeType = str_replace('./','',$hordeType);
$syncElementItems = $command->getSyncElementItems();
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Horde::logMessage('SyncML: found '. count($syncElementItems) .' items to import', __FILE__, __LINE__, PEAR_LOG_DEBUG);
foreach($syncElementItems as $syncItem) {
if(!$contentType = $syncItem->getContentType()) {
$contentType = $state->getPreferedContentType($type);
}
if ($this->_targetLocURI == 'calendar' && strpos($syncItem->getContent(), 'BEGIN:VTODO') !== false) {
$hordeType = 'tasks';
}
$guid = false;
# if (is_a($command, 'Horde_SyncML_Command_Sync_Add')) {
# $guid = $registry->call($hordeType . '/import',
# array($state->convertClient2Server($syncItem->getContent(), $contentType), $contentType));
# if (!is_a($guid, 'PEAR_Error')) {
# $ts = $history->getTSforAction($guid, 'add');
# $state->setUID($type, $syncItem->getLocURI(), $guid, $ts);
# $state->log("Client-Add");
# #Horde::logMessage('SyncML: added client entry as ' . $guid, __FILE__, __LINE__, PEAR_LOG_DEBUG);
# } else {
# $state->log("Client-AddFailure");
# Horde::logMessage('SyncML: Error in adding client entry:' . $guid->message, __FILE__, __LINE__, PEAR_LOG_ERR);
# }
# } elseif (is_a($command, 'Horde_SyncML_Command_Sync_Replace')) {
#$guid = $state->getGlobalUID($type, $syncItem->getLocURI());
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Horde::logMessage('SyncML: start search for '. $syncItem->getContent() .' ('. $contentType .')' , __FILE__, __LINE__, PEAR_LOG_DEBUG);
$guid = $registry->call($hordeType . '/search',
array($state->convertClient2Server($syncItem->getContent(), $contentType), $contentType));
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Horde::logMessage('SyncML: found guid: '. ($guid ? $guid : 'not found') , __FILE__, __LINE__, PEAR_LOG_DEBUG);
$ok = false;
if ($guid) {
#Horde::logMessage('SyncML: locuri'. $syncItem->getLocURI() . ' guid ' . $guid , __FILE__, __LINE__, PEAR_LOG_ERR);
// Entry exists: replace current one.
$ok = $registry->call($hordeType . '/replace',
array($guid, $state->convertClient2Server($syncItem->getContent(), $contentType), $contentType));
if (!is_a($ok, 'PEAR_Error')) {
$ts = $history->getTSforAction($guid, 'modify');
$state->setUID($type, $syncItem->getLocURI(), $guid, $ts);
#Horde::logMessage('SyncML: replaced entry due to client request guid: '. $guid .' LocURI: '. $syncItem->getLocURI() .' ts: '. $ts, __FILE__, __LINE__, PEAR_LOG_DEBUG);
$state->log("Client-Replace");
$ok = true;
} else {
// Entry may have been deleted; try adding it.
$ok = false;
}
}
if (!$ok) {
// Entry does not exist in map or database: add a new
// one.
Horde::logMessage('SyncML: try to add contentype ' . $contentType .' to '. $hordeType, __FILE__, __LINE__, PEAR_LOG_DEBUG);
$guid = $registry->call($hordeType . '/import',
array($state->convertClient2Server($syncItem->getContent(), $contentType), $contentType));
if (!is_a($guid, 'PEAR_Error')) {
$ts = $history->getTSforAction($guid, 'add');
$state->setUID($type, $syncItem->getLocURI(), $guid, $ts);
$state->log("Client-AddReplace");
Horde::logMessage('SyncML: r/ added client entry as ' . $guid, __FILE__, __LINE__, PEAR_LOG_DEBUG);
} else {
Horde::logMessage('SyncML: Error in replacing/add client entry:' . $guid->message, __FILE__, __LINE__, PEAR_LOG_ERR);
$state->log("Client-AddFailure");
}
}
# }
}
return true;
}
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function loadData()
{
global $registry;
$state = &$_SESSION['SyncML.state'];
$syncType = $this->_targetLocURI;
$hordeType = str_replace('./','',$syncType);
#Horde::logMessage("SyncML: reading added items from database for $hordeType", __FILE__, __LINE__, PEAR_LOG_DEBUG);
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$state->setAddedItems($hordeType, $registry->call($hordeType. '/list', array()));
$adds = &$state->getAddedItems($hordeType);
$this->_syncDataLoaded = TRUE;
return count($state->getAddedItems($hordeType));
}
}