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conflicts fixed

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狮子的魂
2015-12-08 21:48:39 +08:00
parent 9b0b7e8ebd
commit 83d7586c84
18 changed files with 1 additions and 1862 deletions
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250
binding/php/Ip2Region.class.php
View File

@@ -2,255 +2,6 @@
/**
* ip2region php seacher client class
*
<<<<<<< HEAD
* @author chenxin<chenxin619315@gmail.com>
* @date 2015-10-29
*/
defined('INDEX_BLOCK_LENGTH') or define('INDEX_BLOCK_LENGTH', 12);
defined('TOTAL_HEADER_LENGTH') or define('TOTAL_HEADER_LENGTH', 4096);
class Ip2Region
{
/**
* db file handler
*/
private $dbFileHandler = NULL;
/**
* header block info
*/
private $HeaderSip = NULL;
private $HeaderPtr = NULL;
private $headerLen = 0;
/**
* super block index info
*/
private $firstIndexPtr = 0;
private $lastIndexPtr = 0;
private $totalBlocks = 0;
/**
* construct method
*
* @param ip2regionFile
*/
public function __construct( $ip2regionFile )
{
$this->dbFileHandler = fopen($ip2regionFile, 'r');
}
/**
* get the data block throught the specifield ip address or long ip numeric with binary search algorithm
*
* @param ip
* @return mixed Array or NULL for any error
*/
public function binarySearch( $ip )
{
//check and conver the ip address
if ( is_string($ip) ) $ip = ip2long($ip);
if ( $this->totalBlocks == 0 )
{
fseek($this->dbFileHandler, 0);
$superBlock = fread($this->dbFileHandler, 8);
$this->firstIndexPtr = self::getLong($superBlock, 0);
$this->lastIndexPtr = self::getLong($superBlock, 4);
$this->totalBlocks = ($this->lastIndexPtr-$this->firstIndexPtr)/INDEX_BLOCK_LENGTH + 1;
}
//binary search to define the data
$l = 0;
$h = $this->totalBlocks;
$dataPtr = 0;
while ( $l <= $h )
{
$m = (($l + $h) >> 1);
$p = $m * INDEX_BLOCK_LENGTH;
fseek($this->dbFileHandler, $this->firstIndexPtr + $p);
$buffer = fread($this->dbFileHandler, INDEX_BLOCK_LENGTH);
$sip = self::getLong($buffer, 0);
if ( $ip < $sip ) {
$h = $m - 1;
} else {
$eip = self::getLong($buffer, 4);
if ( $ip > $eip ) {
$l = $m + 1;
} else {
$dataPtr = self::getLong($buffer, 8);
break;
}
}
}
//not matched just stop it here
if ( $dataPtr == 0 ) return NULL;
//get the data
$dataLen = (($dataPtr >> 24) & 0xFF);
$dataPtr = ($dataPtr & 0x00FFFFFF);
fseek($this->dbFileHandler, $dataPtr);
$data = fread($this->dbFileHandler, $dataLen);
return array(
'city_id' => self::getLong($data, 0),
'region' => substr($data, 4)
);
}
/**
* get the data block associated with the specifield ip with b-tree search algorithm
*
* @param ip
* @return Mixed Array for NULL for any error
*/
public function btreeSearch( $ip )
{
if ( is_string($ip) ) $ip = ip2long($ip);
//check and load the header
if ( $this->HeaderSip == NULL )
{
fseek($this->dbFileHandler, 8);
$buffer = fread($this->dbFileHandler, TOTAL_HEADER_LENGTH);
//fill the header
$idx = 0;
$this->HeaderSip = array();
$this->HeaderPtr = array();
for ( $i = 0; $i < TOTAL_HEADER_LENGTH; $i += 8 )
{
$startIp = self::getLong($buffer, $i);
$dataPtr = self::getLong($buffer, $i + 4);
if ( $dataPtr == 0 ) break;
$this->HeaderSip[] = $startIp;
$this->HeaderPtr[] = $dataPtr;
$idx++;
}
$this->headerLen = $idx;
}
//1. define the index block with the binary search
$l = 0; $h = $this->headerLen; $sptr = 0; $eptr = 0;
while ( $l <= $h )
{
$m = (($l + $h) >> 1);
//perfetc matched, just return it
if ( $ip == $this->HeaderSip[$m] ) {
if ( $m > 0 ) {
$sptr = $this->HeaderPtr[$m-1];
$eptr = $this->HeaderPtr[$m ];
} else {
$sptr = $this->HeaderPtr[$m ];
$eptr = $this->HeaderPtr[$m+1];
}
break;
}
//less then the middle value
if ( $ip < $this->HeaderSip[$m] ) {
if ( $m == 0 ) {
$sptr = $this->HeaderPtr[$m ];
$eptr = $this->HeaderPtr[$m+1];
break;
} else if ( $ip > $this->HeaderSip[$m-1] ) {
$sptr = $this->HeaderPtr[$m-1];
$eptr = $this->HeaderPtr[$m ];
break;
}
$h = $m - 1;
} else {
if ( $m == $this->headerLen - 1 ) {
$sptr = $this->HeaderPtr[$m-1];
$eptr = $this->HeaderPtr[$m ];
break;
} else if ( $ip <= $this->HeaderSip[$m+1] ) {
$sptr = $this->HeaderPtr[$m ];
$eptr = $this->HeaderPtr[$m+1];
break;
}
$l = $m + 1;
}
}
//match nothing just stop it
if ( $sptr == 0 ) return NULL;
//2. search the index blocks to define the data
$blockLen = $eptr - $sptr;
fseek($this->dbFileHandler, $sptr);
$index = fread($this->dbFileHandler, $blockLen + INDEX_BLOCK_LENGTH);
$dataptr = 0;
$l = 0; $h = $blockLen / INDEX_BLOCK_LENGTH;
while ( $l <= $h ) {
$m = (($l + $h) >> 1);
$p = (int)($m * INDEX_BLOCK_LENGTH);
$sip = self::getLong($index, $p);
if ( $ip < $sip ) {
$h = $m - 1;
} else {
$eip = self::getLong($index, $p + 4);
if ( $ip > $eip ) {
$l = $m + 1;
} else {
$dataptr = self::getLong($index, $p + 8);
break;
}
}
}
//not matched
if ( $dataptr == 0 ) return NULL;
//3. get the data
$dataLen = (($dataptr >> 24) & 0xFF);
$dataPtr = ($dataptr & 0x00FFFFFF);
fseek($this->dbFileHandler, $dataPtr);
$data = fread($this->dbFileHandler, $dataLen);
return array(
'city_id' => self::getLong($data, 0),
'region' => substr($data, 4)
);
}
/**
* read a long from a byte buffer
*
* @param b
* @param offset
*/
public static function getLong( $b, $offset )
{
return (
(ord($b[$offset++])) |
(ord($b[$offset++]) << 8) |
(ord($b[$offset++]) << 16) |
(ord($b[$offset ]) << 24)
);
}
/**
* destruct method, resource destroy
*/
public function __destruct()
{
if ( $this->dbFileHandler != NULL ) fclose($this->dbFileHandler);
$this->HeaderSip = NULL;
$this->HeaderPtr = NULL;
}
=======
* @author chenxin<chenxin619315@gmail.com>
* @date 2015-10-29
*/
@@ -498,6 +249,5 @@ class Ip2Region
$this->HeaderSip = NULL;
$this->HeaderPtr = NULL;
}
>>>>>>> 7e51a4909fdb01014f948c2dbc5cfb5fbed9ce56
}
?>

42
binding/php/testSeacher.php
View File

@@ -2,32 +2,11 @@
/**
* Ip2Region php client test script
*
<<<<<<< HEAD
* @author chenxin<chenxin619315@gmail.com>
=======
* @author chenxin<chenxin619315@gmail.com>
>>>>>>> 7e51a4909fdb01014f948c2dbc5cfb5fbed9ce56
*/
if ( $argc < 2 )
{
<<<<<<< HEAD
$usage = <<<EOF
Usage: php Test.php [ip2region db file] [alrogrithm]
+-Algorithm: binary or b-tree\n
EOF;
exit($usage);
}
array_shift($argv);
$dbFile = $argv[0];
$method = 1;
$algorithm = 'B-tree';
if ( isset($argv[1])
&& strtolower($argv[1]) == 'binary' ) {
$method = 2;
$algorithm = 'Binary';
=======
$usage = <<<EOF
Usage: php Test.php [ip2region db file] [alrogrithm]
+-Algorithm: binary or b-tree\n
@@ -43,7 +22,6 @@ if ( isset($argv[1])
&& strtolower($argv[1]) == 'binary' ) {
$method = 2;
$algorithm = 'Binary';
>>>>>>> 7e51a4909fdb01014f948c2dbc5cfb5fbed9ce56
}
require dirname(__FILE__) . '/Ip2Region.class.php';
@@ -61,21 +39,6 @@ echo $initStr, "\n";
while ( true )
{
<<<<<<< HEAD
echo "ip2region>> ";
$line = trim(fgets(STDIN));
if ( strlen($line) < 2 ) continue;
if ( $line == 'quit' ) break;
if ( ip2long($line) == NULL ) {
echo "Error: invalid ip address\n";
continue;
}
$s_time = getTime();
$data = $method==2 ? $ip2regionObj->binarySearch($line) : $ip2regionObj->btreeSearch($line);
$c_time = getTime() - $s_time;
printf("%s|%s in %.5f millseconds\n", $data['city_id'], $data['region'], $c_time);
=======
echo "ip2region>> ";
$line = trim(fgets(STDIN));
if ( strlen($line) < 2 ) continue;
@@ -89,15 +52,10 @@ while ( true )
$data = $method==2 ? $ip2regionObj->binarySearch($line) : $ip2regionObj->btreeSearch($line);
$c_time = getTime() - $s_time;
printf("%s|%s in %.5f millseconds\n", $data['city_id'], $data['region'], $c_time);
>>>>>>> 7e51a4909fdb01014f948c2dbc5cfb5fbed9ce56
}
function getTime()
{
<<<<<<< HEAD
return (microtime(true) * 1000);
=======
return (microtime(true) * 1000);
>>>>>>> 7e51a4909fdb01014f948c2dbc5cfb5fbed9ce56
}
?>