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epavl_utils.php
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epavl_utils.php
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<?php
// ------------- TESTING FUNCTIONS BELOW
use mondrakeNG\mm\core\MMDiag;
use mondrakeNG\mm\core\MMUtils;
use mondrakeNG\rbppavl\RbppavlTraverser;
use mondrakeNG\rbppavl\RbppavlTree;
use mondrakeNG\rbppavl\RbppavlCbInterface;
use mondrakeNG\rbppavl\RbppavlTraverser;
function return_bytes ($size_str)
{
switch (substr ($size_str, -1))
{
case 'M': case 'm': return (int)$size_str * 1048576;
case 'K': case 'k': return (int)$size_str * 1024;
case 'G': case 'g': return (int)$size_str * 1073741824;
default: return $size_str;
}
}
function test_traverser($tree, $dsp) {
print("<br/>Traverser<br/>");
$trav = new RbppavlTraverser($tree);
$r = $trav->first();
$ctr=0;
while ($r != NULL) {
$xa = testCBC::dump($r);
print("$ctr: $xa");print("<br/>");
$r = $trav->next();
$ctr++;
}
}
function display_tree_structure($tree, $maxLev) {
$a = $tree->debugLevelOrderToArray($maxLev);
$cbc = new testCBC;
echo <<<_END
<html>
<style>
.login { border: 1px solid #999999; font: normal 10px verdana; color:#444444; }
.apptop { font: normal 20px verdana; }
</style>
<body>
<table class="login" border="0" cellpadding="2" cellspacing="5" bgcolor="#eeeeee">
_END;
for ($i = 0; $i <= $maxLev; $i++) {
echo "<tr><td align='center'><b>L$i:</b></td>";
for ($j = 0; $j < pow(2, $i); $j++) {
if (isset($a[$i][$j])) {
$xx = $cbc->dump($a[$i][$j][0]) . '<br/>h:' . $a[$i][$j][1] . ' (' . $a[$i][$j][2] . ')';
} else {
$xx = null;
}
if ($xx == NULL) $xx = "*";
$span = pow(2, $maxLev - $i);
echo "<td colspan='$span' align='center'>$xx</td>";
}
echo "</tr>";
}
echo <<<_END
</table>
</body>
</html>
_END;
}
function diag_walker() {
$obj = new MMDiag;
$headerSet = false;
foreach ($obj->get(true) as $msg) {
if(!$headerSet) {
echo <<<_END
<!-- The HTML section -->
<style>.signup { border: 1px solid #999999;
font: normal 10px verdana; color:#444444; }</style>
</head><body>
<table class="signup" border="1" cellpadding="2"
cellspacing="0" bgcolor="#eeeeee">
<tr>
<th>Class</th>
<th>.</th>
<th>Time</th>
<th>Id</th>
<th>Message</th>
</tr>
_END;
$headerSet = true;
}
echo "<tr>";
echo "<td>$msg->className</td>";
echo "<td>$msg->severity</td>";
echo "<td>$msg->time.$msg->uTime</td>";
echo "<td>$msg->id</td>";
echo "<td>$msg->fullText</td>";
echo "</tr>";
}
}
// --------------- SIMPLE TESTING
require_once "/home/mondrak1/private/mondrake/core/MMDiag.php";
class testClA {
public $q;
}
class testCBC implements RbppavlCbInterface {
private $diag = null;
public function __construct() {
$this->diag = new MMDiag;
}
function compare($a, $b) {
if ($a->q == $b->q) {
return 0;
}
return ($a->q < $b->q) ? -1 : 1;
}
function dump($a) {
return $a->q;
}
public function diagnosticMessage($severity, $id, $text, $params, $qText, $className = null) {
$params['#text'] = $text;
if (empty($className)) {
$className = get_class($this);
}
$this->diag->sLog($severity, $className, $id, $params);
}
public function errorHandler($id, $text, $params, $qText, $className = null) {
}
}
// play around with the variable values below to change behaviour of tests
$testChangeDiagnosticMessages = false;
$testDeletes = false;
$verbose = true;
$displayTree = array( 'atEndOfInserts' => true, );
$displayHowManyLevels = 7;
$logMemoryStatus = false;
$memoryThreshold = '100k';
$howManyCycles = 1;
$howManyNodes = 15;
$fromBalanceFactor = 1;
$toBalanceFactor = 3;
$maxIntValueInNode = 5000;
$diag = new MMDiag;
// Memory limit
if ($logMemoryStatus) {
$diag->sLog(1, 'test script', 0, array( '#text' => "Memory limit (Mb): " . return_bytes(ini_get('memory_limit'))/1024/1024, ));
}
// Test change diagnostic messages
if ($testChangeDiagnosticMessages) {
$tree = new RbppavlTree("testCBC");
$msgs = $tree->getMessages();
$msgs[3] = array(RBPPAVL_DEBUG, 'inserito nodo *radice* %node; contatore: %count');
$tree->setMessages($msgs);
}
for ($tx = 1; $tx <= $howManyCycles; $tx++) {
//$qres = array (0,1,2,12,34,14,32,12,3, 38,46,54,12,35,43,27,28,29,30,55);
//$qres = array (0,1,2,4,5,6,7,8,9,10,11,12,13,14,15,16,17,18,19,20);
//$qres = array (20,19,18,17,16,15,14,13,12,11,10,9,8,7,6,5,4,3,2,1,0);
for ($i = 0; $i < $howManyNodes; $i++) {
$qres[$i] = rand(0, $maxIntValueInNode);
}
for ($i = $fromBalanceFactor; $i <= $toBalanceFactor; $i++) {
print("<br/>");
$diag->sLog(1, 'test script', 0, array( '#text' => "Cycle: $tx, Balance factor: $i", ));
// ********* INSERTS *************
if ($logMemoryStatus) {
$diag->sLog(1, 'test script', 0, array( '#text' => "Memory at start inserts (Mb): " . round((memory_get_usage()/1024/1024), 2)));
}
$tree = new RbppavlTree("testCBC", $i, $verbose, $memoryThreshold);
$ctr=0;
foreach ($qres as $r) {
// for (;;) {
$nai = new testClA;
$nai->q = $r;
// $nai->q = rand(0,5000000);
$t = $tree->insert($nai);
// $tree->redus;
if ($tree->getStatusLevel() <= RBPPAVL_WARNING) {
break;
}
if (fmod($ctr, 1000) == 0) {
// $diag->sLog(1, null, 1, array( '#text' => (memory_get_usage()), ));
// $diag->sLog(1, null, 1, array( '#text' => memory_get_usage(), ));
set_time_limit(30);
}
//$diag->wipe();
//diag_walker();
//print("<br/><br/>");
//display_tree_structure($tree, $displayHowManyLevels);
$ctr++;
}
// $diag->wipe();
// $diag->wipe();
$failingNode = $tree->debugValidate();
$stats = $tree->getStatistics();
if ($logMemoryStatus) {
$diag->sLog(1, 'test script', 0, array( '#text' => "Memory at end inserts (Mb): " . round((memory_get_usage()/1024/1024), 2)));
}
//$diag->wipe();
diag_walker();
if ($displayTree['atEndOfInserts']) {
display_tree_structure($tree, $displayHowManyLevels);
}
// $diag->wipe();
test_traverser($tree, "dsp_r");
// ********* DELETES *************
//$qres = array (3,12,46,34,35,28,32,43,38,54,2,1,0,1,29);
//$qres = array (3,38,12,46,34,35,27,28,32,43,38,54,27,55,14,0,2,29,1,30,45);
/* $ctr=0;
foreach ($qres as $r) {
// while ($tree->count() > 0) {
// $trav = new RbppavlTraverser($tree);
// $r = $trav->first();
// $rnd = rand(0, ($tree->count() - 1));
// for ($x = 0; $x < $rnd; $x++) {
// $r = $trav->next();
// }
//print_r($r);
$nai = new testClA;
//$nai->q = $r->q;
$nai->q = $r;
//$t = $tree->find($nai);
$t = $tree->delete($nai);
// if (fmod($ctr, 500) == 0) {
// $diag->sLog(1, null, 1, array( '#text' => "Memory at $ctr: " . (memory_get_usage()/1024), ));
// $diag->sLog(1, null, 1, array( '#text' => memory_get_usage(), ));
set_time_limit(30);
if ($tree->root()) {
$tree->debugValidate();
}
// }
// $diag->wipe(2);
// diag_walker();
// print("<br/><br/>");
//display_tree_structure($tree, $displayHowManyLevels);
$ctr++;
}
$diag->wipe(2);
$stats = $tree->getStatistics();
$diag->sLog(1, null, 0, array( '#text' => "Memory: " . (memory_get_usage()/1024), ));
diag_walker();
//print("<br/>");*/
$tree = null;
}
}
// --------------- SIMPLE TESTING END
/*
class testRepl {
public $replicationSeq;
public $table;
public $primaryKey;
public $operation;
public $updateId;
public $environmentId;
public $clientId;
}
class testCBC {
private $diag = null;
public function __construct() {
$this->diag = new MMDiag;
}
function compare($a, $b) {
if ($a->replicationSeq > $b->replicationSeq)
return 1;
elseif ($a->replicationSeq < $b->replicationSeq)
return -1;
if ($a->table > $b->table)
return 1;
elseif ($a->table < $b->table)
return -1;
if ($a->primaryKey > $b->primaryKey)
return 1;
elseif ($a->primaryKey < $b->primaryKey)
return -1;
else
return 0;
}
function dump($a) {
return $a->replicationSeq . "->" . $a->table . "->" . $a->primaryKey . "->" . $a->operation;
}
public function logDiagnostic($severity, $id, $params, $className = null) {
if (empty($className)) {
$className = get_class($this);
}
$this->diag->sLog($severity, $className, $id, $params);
}
public function errorException($id, $params) {
}
}
include_once('/home/mondrak1/private/mondrake/MM_settings.php');
require_once 'MMSqlStatement.php';
require_once 'MMUtils.php';
$params = array(
"#idFrom#" => 181404,
"#idTo#" => 181446,
"#clientTypeId#" => 7,
"#environmentId#" => 1
);
$x = new MMSqlStatement;
$sqlq = MMUtils::retrieveSqlStatement("getReplicationChunk", $params);
$qres = MMObj::query($sqlq);
$tree = new RbppavlTree("testCBC", 4, $debugMode = true);
$ctr=0;
foreach ($qres as $r) {
$nai = new testRepl;
$nai->replicationSeq = $r[replication_seq];
$nai->table = $r[db_table];
$nai->primaryKey = $r[db_primary_key];
$nai->operation = $r[db_operation];
$nai->updateId = $r[db_audit_log_id];
$nai->environmentId = $r[environment_id];
$nai->clientId = $r[client_id];
$t = $tree->insert($nai);
print("$ctr: ");
diag_walker();
if ($t != NULL) {
print(" --> ");
if ($nai->operation == 'D' && $t->operation == 'I') { // DELETE after INSERT in same log --> no replica op
print(" D/I");
$x = $tree->delete($t);
print(" --> " . $tree->debugMsg);
if ($x != NULL)
unset($x);
}
elseif ($nai->operation == 'D' && $t->operation == 'U') { // DELETE after UPDATE in same log --> DELETE prevails
print(" D/U");
$t->operation = 'D';
$t->updateId = $nai->updateId;
}
elseif ($nai->operation == 'I' && $t->operation == 'D') { // INSERT after DELETE in same log --> INSERT prevails
print(" I/D");
$t->operation = 'I';
$t->updateId = $nai->updateId;
}
elseif ($nai->operation == 'U' && $t->operation == 'U') { // UPDATE after UPDATE in same log --> update id
print(" U/U");
$t->updateId = $nai->updateId;
}
elseif ($nai->operation == 'U' && $t->operation == 'D') { // UPDATE after DELETE in same log --> impossible
print(" U/D");
throw new Exception("UPDATE after DELETE in same log --> impossible");
}
elseif ($nai->operation == 'U' && $t->operation == 'I') { // UPDATE after INSERT in same log --> INSERT prevails
print(" U/I");
$t->operation = 'I';
$t->updateId = $nai->updateId;
}
elseif ($nai->operation == 'I' && $t->operation == 'U') { // INSERT after UPDATE in same log --> impossible
print(" I/U");
throw new Exception("INSERT after UPDATE in same log --> impossible");
}
}
print("<br/>");
$ctr++;
}
$failingNode = $tree->debugValidate();
$stats = $tree->getStatistics();print_r($stats);
diag_walker();
display_tree_structure($tree, $displayHowManyLevels);
test_traverser($tree, "dsp_r");
*/