function checkAddNode($pid, $isConnector, $link1, $link2, $link3)
{
$count = getCountByPid($pid);
if ($count >= 6) {
return "Pattern is full";
}
if ($isConnector == 1) {
if (getConnectorByPid($pid) != null) {
return "already exist a connector in this pattern";
}
} elseif ($isConnector == 0) {
if (getConnectorByPid($pid) == null) {
return "This pattern do not exist,please create a connector for it";
}
if ($link1 == null && $link2 == null && $link3 == null) {
return "A normal node must need to connect to the other node(s)";
}
}
if (getLinkCountByNid($link1) >= 3) {
return "Can not connect to Node" . $link1 . " because it has already connected with three nodes";
}
if (getLinkCountByNid($link2) >= 3) {
return "Can not connect to Node" . $link2 . " because it has already connected with three nodes";
}
if (getLinkCountByNid($link3) >= 3) {
return "Can not connect to Node" . $link3 . " because it has already connected with three nodes";
}
return "true";
}
function delete($nid)
{
$row = getNodeByNid($nid);
// $row['isActive']="no";
//delete the whole pattern
$list = array();
$list[0] = $row['nid'];
iniRecordList($list);
if ($row['isConnector'] == 2) {
return "domainFail";
} else {
if ($row['isConnector'] == 1) {
if (countPatternNodes($row['pid']) > 1) {
return "patternFail";
}
$neighbourList = findNodeNeighbour($row['nid']);
$did = getDidByNid($nid);
$domainId = getDomainByDid($did)['nid'];
if (count($neighbourList) > 1) {
for ($i = 0; $i < count($neighbourList); $i++) {
if ($neighbourList[$i] != $domainId) {
if (count(sendMessageIgnoreInactive($neighbourList[$i], $domainId, $list)) == 0) {
return "fail";
}
}
}
deleteNodesByNid($row['nid']);
deleteLinksByNid($row['nid']);
return "connectorSuccess";
} else {
//get all neighbors of this domain, includes one connector node
$tempDid = $neighbourList[0];
//echo "did ".$tempDid."</br>";
$tempNeighbourList = findNodeNeighbour($tempDid);
$tempCount = 0;
for ($i = 0; $i < count($tempNeighbourList); $i++) {
$tempNode = $tempNeighbourList[$i];
if ($tempDid == getDidByNid($tempNode)) {
$tempCount++;
}
}
//echo "count ".$tempCount;
if ($tempCount >= 1) {
deleteNodesByNid($row['nid']);
deleteLinksByNid($row['nid']);
return "connectorSuccess";
} else {
$domainNeighborList = findNodeNeighbour($domainId);
$domainNeighborsCount = count($domainNeighborList);
if ($domainNeighborsCount >= 2) {
$list[0] = $domainId;
iniRecordList($list);
for ($i = 0; $i < $domainNeighborsCount; $i++) {
for ($j = 0; $j < $domainNeighborsCount; $j++) {
if ($domainNeighborList[$i] != $domainNeighborList[$j]) {
if (count(sendMessageIgnoreInactive($domainNeighborList[$i], $domainNeighborList[$j], $list)) == 0) {
return "fail";
}
}
}
}
}
deleteNodesByNid($domainId);
deleteLinksByNid($domainId);
deleteNodesByNid($row['nid']);
deleteLinksByNid($row['nid']);
return $domainId;
}
}
} else {
$neighbourList = findNodeNeighbour($row['nid']);
$pid = getPidByNid($nid);
// echo $pid;
$connectorId = getConnectorByPid($pid)['nid'];
// echo $connectorId;
for ($i = 0; $i < count($neighbourList); $i++) {
// echo $neighbourList[$i];
if ($neighbourList[$i] == $connectorId) {
} else {
if (count(sendMessageIgnoreInactive($neighbourList[$i], $connectorId, $list)) == 0) {
return "fail";
}
}
}
deleteLinksByNid($row['nid']);
deleteNodesByNid($row['nid']);
return "normalSuccess";
}
}
}