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diff --git a/phplib/db_mysqli.inc b/phplib/db_mysqli.inc
index 37495bc..aaf8492 100644
--- a/phplib/db_mysqli.inc
+++ b/phplib/db_mysqli.inc
@@ -1,582 +1,581 @@
<?php
/*
* Session Management for PHP3
*
* Copyright (c) 1998,1999 SH Online Dienst GmbH
* Boris Erdmann, Kristian Koehntopp
*
* $Id: db_mysql.inc,v 1.4 2006-05-12 11:38:39 adigeo Exp $
*
*/
class DB_Sql
{
/* public: connection parameters */
public $Host = "";
public $Database = "";
public $User = "";
public $Password = "";
/* public: configuration parameters */
public $Auto_Free = 0; ## Set to 1 for automatic mysql_free_result()
public $Debug = 0; ## Set to 1 for debugging messages.
public $Halt_On_Error = "no"; ## "report" (halt with message), "no" (ignore errors quietly), "report" (ignore errror, but spit a warning)
public $Seq_Table = "db_sequence";
/* public: result array and current row number */
public $Record = array();
public $Row;
/* public: current error number and error text */
public $Errno = 0;
public $Error = "";
/* public: this is an api revision, not a CVS revision. */
public $type = "mysqli";
public $revision = "1.2";
/* private: link and query handles */
private $Link_ID = 0;
private $Query_ID = 0;
public $type_mappings = array(
"int" => array(
"int",
"tinyint",
"smallint",
"mediumint",
"bigint"
),
"string" => array(
"char",
"varchar",
"enum"
),
"blob" => array(
"longblob",
"mediumblob",
"text"
),
"real" => array(
"decimal",
"double"
)
);
public $flag_mappings = array(
"not_null" => array(
"NO",
),
"primary_key" => array(
"PRI",
),
"multiple_key" => array(
"MUL"
),
"unique_key" => array(
"UNI"
),
"binary" => array(
"timestamp",
"date",
"datetime"
),
"blob binary" => array(
"longblob",
"mediumblob",
"blob"
),
"blob" => array(
"text"
),
"unsigned zerofill" => array(
"0000-00-00 00:00:00",
"CURRENT_TIMESTAMP"
),
"enum" => array(
"enum"
)
);
public $length_mappings = array(
16777215 => array("mediumblob"),
65535 => array("text","blob"),
22 => array("double"),
19 => array("timestamp","datetime"),
10 => array("date")
);
public $extra_mappings = array(
"unsigned zerofill" => array("on update CURRENT_TIMESTAMP")
);
private function remap($arr)
{
$ret = array();
foreach ($arr as $key => $value) {
foreach ($value as $name) {
$ret[$name] = $key;
}
}
return $ret;
}
/* public: constructor */
public function __construct($query = "")
{
$this->query($query);
}
/* public: some trivial reporting */
public function link_id()
{
return is_int($this->Link_ID) ? 0 : mysqli_thread_id($this->Link_ID);
}
public function query_id()
{
return $this->Query_ID;
}
/* public: connection management */
public function connect($Database = "", $Host = "", $User = "", $Password = "")
{
/* Handle defaults */
if ("" == $Database) {
$Database = $this->Database;
}
if ("" == $Host) {
$Host = $this->Host;
}
if ("" == $User) {
$User = $this->User;
}
if ("" == $Password) {
$Password = $this->Password;
}
/* establish connection, select database */
if (0 == $this->link_id()) {
mysqli_report(MYSQLI_REPORT_OFF);
$link = mysqli_init();
if (!$link) {
die('mysqli_init failed');
}
if (!mysqli_options($link, MYSQLI_OPT_CONNECT_TIMEOUT, 2)) {
die('Setting MYSQLI_OPT_CONNECT_TIMEOUT failed');
}
if (!mysqli_real_connect($link, "p:".$Host, $User, $Password)) {
syslog(LOG_NOTICE, "Error in connect(): connect as $User to $Host failed");
$this->halt("connect as $User to $Host failed.");
return 0;
}
$this->Link_ID = $link;
debug("Connected to mysql with $User to $Host ".$this->link_id());
// print "Connected to mysql with $User to $Host ".$this->link_id();
if (!((bool)mysqli_query($this->Link_ID, "USE " . $Database))) {
syslog(LOG_NOTICE, "Error in connect(): cannot use database");
$this->halt("cannot use database ".$this->Database);
return 0;
}
}
return $this->Link_ID;
}
/* public: discard the query result */
public function free()
{
if (isset($this->Query_ID) && is_resource($this->Query_ID)) {
@mysqli_free_result($this->Query_ID);
$this->Query_ID = 0;
}
}
/* public: perform a query */
public function query($Query_String)
{
/* No empty queries, please, since PHP4 chokes on them. */
if ($Query_String == "") {
/* The empty query string is passed on from the constructor,
* when calling the class without a query, e.g. in situations
* like these: '$db = new DB_Sql_Subclass;'
*/
return 0;
}
if (!$this->connect()) {
return 0; /* we already complained in connect() about that. */
};
# New query, discard previous result.
if ($this->Query_ID) {
$this->free();
}
try {
$this->Query_ID = @mysqli_query($this->Link_ID, $Query_String);
$this->Row = 0;
$this->Errno = mysqli_errno($this->Link_ID);
$this->Error = mysqli_error($this->Link_ID);
if ($this->Errno) {
throw new Exception($this->Errno);
}
} catch (Exception $e) {
/*
2006= CR_SERVER_GONE_ERROR
2013= CR_SERVER_LOST
*/
$dbError = $e->getMessage();
if ($dbError=='2006' || $dbError=='2013') {
- syslog(LOG_NOTICE, sprintf("Warning: mysql connection %s lost with code %s", $this->link_id(), $dbError));
- printf("Warning: mysql connection %s lost with code %s\n", $this->link_id(), $dbError);
+ warningAndPrint(sprintf("Warning: mysql connection %s lost with code %s", $this->link_id(), $dbError));
if ($this->Query_ID) {
$this->free();
}
mysqli_close($this->Link_ID);
$this->Link_ID = 0;
if (!$this->connect()) {
syslog(LOG_NOTICE, "Error: failed to re-connect to the MySQL server");
return 0;
}
syslog(LOG_NOTICE, sprintf("Mysql connection re-created with %s", $this->link_id()));
printf("Mysql connection re-created with %s\n", $this->link_id());
$this->Query_ID = @mysqli_query($this->Link_ID, $Query_String);
$this->Row = 0;
$this->Errno = mysqli_errno();
$this->Error = mysqli_error();
} else {
$this->halt("Invalid SQL: ".$Query_String);
}
}
# Will return nada if it fails. That's fine.
return $this->Query_ID;
}
/* public: walk result set */
public function next_record()
{
if (!$this->Query_ID) {
$this->halt("next_record called with no query pending.");
return 0;
}
$this->Record = @mysqli_fetch_assoc($this->Query_ID);
$this->Errno = mysqli_errno($this->Link_ID);
$this->Error = mysqli_error($this->Link_ID);
$this->Row += 1;
$stat = is_array($this->Record);
if (!$stat && $this->Auto_Free) {
$this->free();
}
return $stat;
}
/* public: position in result set */
public function seek($pos = 0)
{
$status = @mysqli_data_seek($this->Query_ID, $pos);
if ($status) {
$this->Row = $pos;
} else {
$this->halt("seek($pos) failed: result has ".$this->num_rows()." rows");
/* half assed attempt to save the day,
* but do not consider this documented or even
* desireable behaviour.
*/
@mysqli_data_seek($this->Query_ID, $this->num_rows());
$this->Row = $this->num_rows;
return 0;
}
return 1;
}
/* public: table locking */
public function lock($table, $mode = "write")
{
$this->connect();
$query="lock tables ";
if (is_array($table)) {
while (list($key, $value) = each($table)) {
if ($key=="read" && $key!=0) {
$query.="$value read, ";
} else {
$query.="$value $mode, ";
}
}
$query=substr($query, 0, -2);
} else {
$query.="$table $mode";
}
$res = @mysqli_query($this->Link_ID, $query);
if (!$res) {
$this->halt("lock($table, $mode) failed.");
return 0;
}
return $res;
}
public function unlock()
{
$this->connect();
$res = @mysqli_query($this->Link_ID, "unlock tables");
if (!$res) {
$this->halt("unlock() failed.");
return 0;
}
return $res;
}
/* public: evaluate the result (size, width) */
public function affected_rows()
{
return @mysqli_affected_rows($this->Link_ID);
}
public function num_rows()
{
if (isset($this->Query_ID)) {
return @mysqli_num_rows($this->Query_ID);
}
return 0;
}
public function num_fields()
{
return @mysqli_num_fields($this->Query_ID);
}
/* public: shorthand notations */
public function nf()
{
return $this->num_rows();
}
public function np()
{
print $this->num_rows();
}
public function f($Name)
{
return $this->Record[$Name];
}
public function p($Name)
{
print $this->Record[$Name];
}
/* public: sequence numbers */
public function nextid($seq_name)
{
$this->connect();
if ($this->lock($this->Seq_Table)) {
/* get sequence number (locked) and increment */
$q = sprintf(
"select nextid from %s where seq_name = '%s'",
$this->Seq_Table,
$seq_name
);
$id = @mysqli_query($this->Link_ID, $q);
$res = @mysqli_fetch_array($id);
/* No current value, make one */
if (!is_array($res)) {
$currentid = 0;
$q = sprintf(
"insert into %s values('%s', %s)",
$this->Seq_Table,
$seq_name,
$currentid
);
$id = @mysqli_query($this->Link_ID, $q);
} else {
$currentid = $res["nextid"];
}
$nextid = $currentid + 1;
$q = sprintf(
"update %s set nextid = '%s' where seq_name = '%s'",
$this->Seq_Table,
$nextid,
$seq_name
);
$id = @mysqli_query($this->Link_ID, $q);
$this->unlock();
} else {
$this->halt("cannot lock ".$this->Seq_Table." - has it been created?");
return 0;
}
return $nextid;
}
/* public: return table metadata */
public function metadata($table = '', $full = false)
{
$count = 0;
$id = 0;
$res = array();
$remapped = $this->remap($this->type_mappings);
$remapped_flag = $this->remap($this->flag_mappings);
$rlengths = $this->remap($this->length_mappings);
$remapped_extra = $this->remap($this->extra_mappings);
/*
* Due to compatibility problems with Table we changed the behavior
* of metadata();
* depending on $full, metadata returns the following values:
*
* - full is false (default):
* $result[]:
* [0]["table"] table name
* [0]["name"] field name
* [0]["type"] field type
* [0]["len"] field length
* [0]["flags"] field flags
*
* - full is true
* $result[]:
* ["num_fields"] number of metadata records
* [0]["table"] table name
* [0]["name"] field name
* [0]["type"] field type
* [0]["len"] field length
* [0]["flags"] field flags
* ["meta"][field name] index of field named "field name"
* The last one is used, if you have a field name, but no index.
* Test: if (isset($result['meta']['myfield'])) { ...
*/
// if no $table specified, assume that we are working with a query
// result
if ($table) {
$this->connect();
//maybe we need escaping
$q = sprintf("SHOW COLUMNS FROM %s.%s", $this->Database, $table);
$id = (($___mysqli_tmp = mysqli_query($this->Link_ID, $q)) ? $___mysqli_tmp : false);
if (!$id) {
$this->halt("Metadata query failed.");
}
} else {
$id = $this->Query_ID;
if (!$id) {
$this->halt("No query specified.");
}
}
$i = 0;
$meta = array();
while ($row = mysqli_fetch_object($id)) {
list($type, $len, $ignore) = sscanf($row->Type, "%[^[(](%d) %[^[]]");
$res[$i]["table"] = $table;
$res[$i]["name"] = $row->Field;
$res[$i]["type"] = isset($remapped[$type]) ? $remapped[$type] : $type;
$res[$i]['len'] = isset($len) ? $len : (isset($rlengths[$type]) ? $rlengths[$type] : -1);
if ($type == 'enum') {
preg_match("/^enum\(\'(.*)\'\)$/", $row->Type, $matches);
$enum = explode("','", $matches[1]);
$max = max(array_map('strlen', $enum));
$res[$i]['len'] = $max;
}
if (preg_match("/^decimal\((.*)\)$/", $row->Type, $matches)) {
$len = explode("','", $matches[1]);
$res[$i]['len'] = $len[0]+2;
}
$flags = array();
isset($remapped_flag[$row->Null])? $flags[]=$remapped_flag[$row->Null]: '' ;
isset($remapped_flag[$row->Key])? $flags[]=$remapped_flag[$row->Key]: '' ;
$ignore ? $flags[] = $ignore: '';
isset($remapped_extra[$row->Extra])? $flags[]=$remapped_extra[$row->Extra]: ($row->Extra ? $flags[] = $row->Extra: '');
isset($remapped_flag[$row->Default])? $flags[]=$remapped_flag[$row->Default]: '' ;
isset($remapped_flag[$type])? $flags[]=$remapped_flag[$type]: '' ;
if ($row->Extra == 'on update CURRENT_TIMESTAMP' || $row->Default == 'CURRENT_TIMESTAMP') {
$flags[] = "timestamp";
}
$res[$i]['flags'] = trim(
sprintf(
"%s",
join(' ', array_unique($flags))
)
);
$meta[$row->Field] = $i;
$i++;
}
// made this IF due to performance (one if is faster than $count if's)
if ($full) {
$res["num_fields"] = $i;
$res["meta"]= $meta;
}
// free the result only if we were called on a table
if ($table) {
@mysqli_free_result($id);
}
return $res;
}
public function table_names()
{
$this->query("SHOW TABLES");
$i = 0;
while ($info=mysqli_fetch_row($this->Query_ID)) {
$return[$i]["table_name"]= $info[0];
$return[$i]["tablespace_name"]=$this->Database;
$return[$i]["database"]=$this->Database;
$i++;
}
return $return;
}
/* private: error handling */
private function halt($msg)
{
if (!mysqli_connect_errno()) {
$this->Error = @mysqli_error($this->Link_ID);
$this->Errno = @mysqli_errno($this->Link_ID);
}
if ($this->Halt_On_Error == "no") {
return;
}
$this->haltmsg($msg);
if ($this->Halt_On_Error != "report") {
die("Session halted.\n");
}
}
private function haltmsg($msg)
{
$log=sprintf("Database error: %s\n", $msg);
syslog(LOG_NOTICE, $log);
if ($this->Errno) {
$log=printf("MySQL error: %s (%s)\n", $this->Errno, $this->Error);
syslog(LOG_NOTICE, $log);
}
}
}
?>

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