function HandleGetItemEstimate($backend, $protocolversion, $devid)
{
global $zpushdtd;
global $input, $output;
$collections = array();
$decoder = new WBXMLDecoder($input, $zpushdtd);
$encoder = new WBXMLEncoder($output, $zpushdtd);
if (!$decoder->getElementStartTag(SYNC_GETITEMESTIMATE_GETITEMESTIMATE)) {
return false;
}
if (!$decoder->getElementStartTag(SYNC_GETITEMESTIMATE_FOLDERS)) {
return false;
}
while ($decoder->getElementStartTag(SYNC_GETITEMESTIMATE_FOLDER)) {
$collection = array();
if (!$decoder->getElementStartTag(SYNC_GETITEMESTIMATE_FOLDERTYPE)) {
return false;
}
$class = $decoder->getElementContent();
if (!$decoder->getElementEndTag()) {
return false;
}
if ($decoder->getElementStartTag(SYNC_GETITEMESTIMATE_FOLDERID)) {
$collectionid = $decoder->getElementContent();
if (!$decoder->getElementEndTag()) {
return false;
}
}
if (!$decoder->getElementStartTag(SYNC_FILTERTYPE)) {
return false;
}
$filtertype = $decoder->getElementContent();
if (!$decoder->getElementEndTag()) {
return false;
}
if (!$decoder->getElementStartTag(SYNC_SYNCKEY)) {
return false;
}
$synckey = $decoder->getElementContent();
if (!$decoder->getElementEndTag()) {
return false;
}
if (!$decoder->getElementEndTag()) {
return false;
}
// compatibility mode - get folderid from the state directory
if (!isset($collectionid)) {
$collectionid = _getFolderID($devid, $class);
}
$collection = array();
$collection["synckey"] = $synckey;
$collection["class"] = $class;
$collection["filtertype"] = $filtertype;
$collection["collectionid"] = $collectionid;
array_push($collections, $collection);
}
$encoder->startWBXML();
$encoder->startTag(SYNC_GETITEMESTIMATE_GETITEMESTIMATE);
foreach ($collections as $collection) {
$encoder->startTag(SYNC_GETITEMESTIMATE_RESPONSE);
$encoder->startTag(SYNC_GETITEMESTIMATE_STATUS);
$encoder->content(1);
$encoder->endTag();
$encoder->startTag(SYNC_GETITEMESTIMATE_FOLDER);
$encoder->startTag(SYNC_GETITEMESTIMATE_FOLDERTYPE);
$encoder->content($collection["class"]);
$encoder->endTag();
$encoder->startTag(SYNC_GETITEMESTIMATE_FOLDERID);
$encoder->content($collection["collectionid"]);
$encoder->endTag();
$encoder->startTag(SYNC_GETITEMESTIMATE_ESTIMATE);
$importer = new ImportContentsChangesMem();
$statemachine = new StateMachine();
$syncstate = $statemachine->getSyncState($collection["synckey"]);
$exporter = $backend->GetExporter($collection["collectionid"]);
$exporter->Config($importer, $collection["class"], $collection["filtertype"], $syncstate, 0, 0);
$encoder->content($exporter->GetChangeCount());
$encoder->endTag();
$encoder->endTag();
$encoder->endTag();
}
$encoder->endTag();
return true;
}
function HandleGetItemEstimate($backend, $protocolversion, $devid)
{
global $zpushdtd;
global $input, $output;
global $user;
$collections = array();
$decoder = new WBXMLDecoder($input, $zpushdtd);
$encoder = new WBXMLEncoder($output, $zpushdtd);
// Init state machine
$statemachine = new StateMachine($devid, $user);
$SyncCache = unserialize($statemachine->getSyncCache());
// Check the validity of the sync cache. If state is errornous set the syncstatus to 2 as retval for client
$syncstatus = 1;
if (!$decoder->getElementStartTag(SYNC_GETITEMESTIMATE_GETITEMESTIMATE)) {
return false;
}
if (!$decoder->getElementStartTag(SYNC_GETITEMESTIMATE_FOLDERS)) {
return false;
}
while ($decoder->getElementStartTag(SYNC_GETITEMESTIMATE_FOLDER)) {
$collection = array();
unset($class);
unset($filtertype);
unset($synckey);
$options = array();
$conversationmode = false;
while (($type = $decoder->getElementStartTag(SYNC_GETITEMESTIMATE_FOLDERTYPE) ? SYNC_GETITEMESTIMATE_FOLDERTYPE : ($decoder->getElementStartTag(SYNC_GETITEMESTIMATE_FOLDERID) ? SYNC_GETITEMESTIMATE_FOLDERID : ($decoder->getElementStartTag(SYNC_FILTERTYPE) ? SYNC_FILTERTYPE : ($decoder->getElementStartTag(SYNC_SYNCKEY) ? SYNC_SYNCKEY : ($decoder->getElementStartTag(SYNC_CONVERSATIONMODE) ? SYNC_CONVERSATIONMODE : ($decoder->getElementStartTag(SYNC_OPTIONS) ? SYNC_OPTIONS : -1)))))) != -1) {
switch ($type) {
case SYNC_GETITEMESTIMATE_FOLDERTYPE:
$class = $decoder->getElementContent();
if (!$decoder->getElementEndTag()) {
return false;
}
break;
case SYNC_GETITEMESTIMATE_FOLDERID:
$collectionid = $decoder->getElementContent();
if (!$decoder->getElementEndTag()) {
return false;
}
break;
case SYNC_FILTERTYPE:
$filtertype = $decoder->getElementContent();
if (!$decoder->getElementEndTag()) {
return false;
}
break;
case SYNC_SYNCKEY:
$synckey = $decoder->getElementContent();
if (!$decoder->getElementEndTag()) {
return false;
}
break;
case SYNC_CONVERSATIONMODE:
if (($conversationmode = $decoder->getElementContent()) !== false) {
if (!$decoder->getElementEndTag()) {
return false;
}
} else {
$conversationmode = true;
}
break;
case SYNC_OPTIONS:
unset($options_tmp);
while (($typeoptions = $decoder->getElementStartTag(SYNC_FOLDERTYPE) ? SYNC_FOLDERTYPE : ($decoder->getElementStartTag(SYNC_MAXITEMS) ? SYNC_MAXITEMS : ($decoder->getElementStartTag(SYNC_FILTERTYPE) ? SYNC_FILTERTYPE : -1))) != -1) {
switch ($typeoptions) {
case SYNC_FOLDERTYPE:
$options_tmp['foldertype'] = $decoder->getElementContent();
if (strtolower($options_tmp['foldertype']) == strtolower($SyncCache['folders'][$collectionid]['class'])) {
unset($options_tmp['foldertype']);
}
if (!$decoder->getElementEndTag()) {
return false;
}
break;
case SYNC_MAXITEMS:
$options_tmp['maxitems'] = $decoder->getElementContent();
if (!$decoder->getElementEndTag()) {
return false;
}
break;
case SYNC_FILTERTYPE:
$options_tmp['filtertype'] = $decoder->getElementContent();
if (!$decoder->getElementEndTag()) {
return false;
}
break;
}
}
if (isset($options_tmp['foldertype'])) {
$options['foldertype'] = $options_tmp['foldertype'];
$options[$options_tmp['foldertype']] = $options_tmp;
} else {
$options = array_merge($options, $options_tmp);
}
if (!$decoder->getElementEndTag()) {
// END Options
return false;
}
}
}
if (!$decoder->getElementEndTag()) {
// END Folder
return false;
}
// compatibility mode - get folderid from the state directory
if (!isset($collectionid)) {
$collectionid = _getFolderID($devid, $class);
}
if ($protocolversion >= 12.1 && !isset($class)) {
$class = $SyncCache['folders'][$collectionid]['class'];
} else {
if ($protocolversion >= 12.1) {
$SyncCache['folders'][$collectionid]['class'] = $class;
}
}
if ($protocolversion >= 12.1 && !isset($options['filtertype']) && isset($SyncCache['collections'][$collectionid]['filtertype'])) {
debugLog("filtertype not set! SyncCache Result " . $SyncCache['collections'][$collectionid]['filtertype']);
$options['filtertype'] = $SyncCache['collections'][$collectionid]['filtertype'];
} else {
if ($protocolversion >= 12.1 && isset($options['filtertype'])) {
$SyncCache['collections'][$collectionid]['filtertype'] = $options['filtertype'];
}
}
if ($protocolversion >= 12.1 && isset($options['foldertype']) && !isset($options[$options['foldertype']]['filtertype']) && isset($SyncCache['collections'][$collectionid][$options['foldertype']]['filtertype'])) {
debugLog("filtertype not set! SyncCache Result " . $SyncCache['collections'][$collectionid][$options['foldertype']]['filtertype']);
$options[$options['foldertype']]['filtertype'] = $SyncCache['collections'][$collectionid][$options['foldertype']]['filtertype'];
} else {
if ($protocolversion >= 12.1 && isset($options['foldertype']) && isset($options[$options['foldertype']]['filtertype'])) {
$SyncCache['collections'][$collectionid][$options['foldertype']]['filtertype'] = $options[$options['foldertype']]['filtertype'];
}
}
if ($protocolversion >= 12.1 && !isset($synckey) && isset($SyncCache['collections'][$collectionid]['synckey'])) {
$synckey = $SyncCache['collections'][$collectionid]['synckey'];
} else {
if ($protocolversion >= 12.1 && isset($synckey)) {
$SyncCache['collections'][$collectionid]['synckey'] = $synckey;
}
}
if ($protocolversion >= 12.1 && !isset($conversationmode) && isset($SyncCache['collections'][$collectionid]['conversationmode'])) {
$conversationmode = $SyncCache['collections'][$collectionid]['conversationmode'];
} else {
if ($protocolversion >= 12.1 && isset($conversationmode)) {
$SyncCache['collections'][$collectionid]['conversationmode'] = $conversationmode;
}
}
$collection = array();
$collection["synckey"] = $synckey;
$collection["class"] = $class;
if (isset($filtertype)) {
$collection["filtertype"] = $filtertype;
}
$collection["collectionid"] = $collectionid;
$collection["options"] = $options;
array_push($collections, $collection);
}
if (!$decoder->getElementEndTag()) {
// END Folders
return false;
}
if (!$decoder->getElementEndTag()) {
// END GetItemEstimate
return false;
}
$encoder->startWBXML();
$encoder->startTag(SYNC_GETITEMESTIMATE_GETITEMESTIMATE);
foreach ($collections as $collection) {
$encoder->startTag(SYNC_GETITEMESTIMATE_RESPONSE);
$importer = new ImportContentsChangesMem();
$statemachine = new StateMachine($devid, $user);
$syncstatus = 1;
$changecount = 0;
$optionchangecount = 0;
if (isset($collection["options"]["filtertype"]) || isset($collection["filtertype"])) {
$syncstate = $statemachine->getSyncState($collection["synckey"]);
$statemachine->cleanOldSyncState($collection["synckey"]);
if (is_numeric($syncstate) && $syncstate < 0 && strlen($syncstate) < 8) {
debugLog("GetSyncState: Got an error in HandleGetItemEstimate");
$syncstate = false;
if ($collection["synckey"] != '0' && $syncstate != -9) {
$syncstatus = 2;
} else {
$syncstatus = 4;
}
}
$exporter = $backend->GetExporter($collection["collectionid"]);
$exporter->Config($importer, $collection["class"], isset($collection["options"]["filtertype"]) ? $collection["options"]["filtertype"] : (isset($collection['filtertype']) ? $collection["filtertype"] : 0), $syncstate, 0, 0, false, false);
$changecount = $exporter->GetChangeCount();
if ($changecount === false) {
$syncstatus = 2;
}
}
// we currently add the optionfoldertype changecount to collection changecount since it is not better documented in specs!
// todo: validate with future open protocol specification!
if (isset($collection['options']['foldertype'])) {
$optionsyncstatus = 1;
$optionsyncstate = $statemachine->getSyncState($collection['options']['foldertype'] . $collection["synckey"]);
$statemachine->cleanOldSyncState($collection['options']['foldertype'] . $collection["synckey"]);
if (is_numeric($optionsyncstate) && $optionsyncstate < 0 && strlen($optionsyncstate) < 8) {
debugLog("GetSyncState: Got an error in HandleGetItemEstimate");
$optionsyncstate = false;
if ($collection["synckey"] != '0' && $syncstate != -9) {
$optionsyncstatus = 2;
} else {
$optionsyncstatus = 4;
}
}
$optionexporter = $backend->GetExporter($collection["collectionid"]);
$optionexporter->Config($importer, $collection['options']['foldertype'], $collection['options'][$collection['options']['foldertype']]['filtertype'], $optionsyncstate, 0, 0, false, false);
$optionchangecount = $optionexporter->GetChangeCount();
if ($optionchangecount === false) {
$optionsyncstatus = 2;
} else {
$changecount = $changecount + $optionchangecount;
}
if ($syncstatus == 1 && $optionsyncstatus != 1) {
$syncstatus = $optionsyncstatus;
}
}
$statemachine->cleanOldSyncState("mi" . $collection["synckey"]);
$encoder->startTag(SYNC_GETITEMESTIMATE_STATUS);
$encoder->content($syncstatus);
$encoder->endTag();
$encoder->startTag(SYNC_GETITEMESTIMATE_FOLDER);
if ($protocolversion <= 12.0) {
$encoder->startTag(SYNC_GETITEMESTIMATE_FOLDERTYPE);
debugLog("Collection Class is " . $collection["class"]);
$encoder->content($collection["class"]);
$encoder->endTag();
}
$encoder->startTag(SYNC_GETITEMESTIMATE_FOLDERID);
$encoder->content($collection["collectionid"]);
$encoder->endTag();
$encoder->startTag(SYNC_GETITEMESTIMATE_ESTIMATE);
$encoder->content($changecount);
$encoder->endTag();
$encoder->endTag();
$encoder->endTag();
}
$encoder->endTag();
$TempSyncCache = unserialize($statemachine->getSyncCache());
if (isset($SyncCache['timestamp']) && $TempSyncCache['timestamp'] > $SyncCache['timestamp']) {
debugLog("HandleSync: Changes in cache determined during Sync Wait/Heartbeat, exiting here. SyncCache not updated!");
return true;
} else {
$statemachine->setSyncCache(serialize($SyncCache));
}
return true;
}
