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[增加]Composer增加zoujingli/ip2region组件
This commit is contained in:
邹景立
parent
2fe769b50a
commit
8640072a93
357
vendor/zoujingli/ip2region/Ip2Region.php
vendored
Normal file
357
vendor/zoujingli/ip2region/Ip2Region.php
vendored
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<?php
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/**
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* ip2region php seacher client class
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*
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* @author chenxin<chenxin619315@gmail.com>
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* @date 2015-10-29
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*/
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defined('INDEX_BLOCK_LENGTH') or define('INDEX_BLOCK_LENGTH', 12);
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defined('TOTAL_HEADER_LENGTH') or define('TOTAL_HEADER_LENGTH', 4096);
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class Ip2Region {
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/**
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* db file handler
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*/
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private $dbFileHandler = NULL;
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/**
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* header block info
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*/
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private $HeaderSip = NULL;
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private $HeaderPtr = NULL;
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private $headerLen = 0;
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/**
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* super block index info
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*/
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private $firstIndexPtr = 0;
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private $lastIndexPtr = 0;
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private $totalBlocks = 0;
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/**
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* for memory mode only
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* the original db binary string
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*/
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private $dbBinStr = NULL;
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private $dbFile = NULL;
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/**
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* construct method
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*
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* @param ip2regionFile
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*/
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public function __construct($ip2regionFile = null) {
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$this->dbFile = is_null($ip2regionFile) ? __DIR__ . '/ip2region.db' : $ip2regionFile;
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}
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/**
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* all the db binary string will be loaded into memory
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* then search the memory only and this will a lot faster than disk base search
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* @Note:
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* invoke it once before put it to public invoke could make it thread safe
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*
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* @param $ip
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*/
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public function memorySearch($ip) {
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//check and load the binary string for the first time
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if ($this->dbBinStr == NULL) {
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$this->dbBinStr = file_get_contents($this->dbFile);
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if ($this->dbBinStr == false) {
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throw new Exception("Fail to open the db file {$this->dbFile}");
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}
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$this->firstIndexPtr = self::getLong($this->dbBinStr, 0);
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$this->lastIndexPtr = self::getLong($this->dbBinStr, 4);
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$this->totalBlocks = ($this->lastIndexPtr - $this->firstIndexPtr) / INDEX_BLOCK_LENGTH + 1;
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}
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if (is_string($ip)) $ip = self::safeIp2long($ip);
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//binary search to define the data
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$l = 0;
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$h = $this->totalBlocks;
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$dataPtr = 0;
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while ($l <= $h) {
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$m = (($l + $h) >> 1);
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$p = $this->firstIndexPtr + $m * INDEX_BLOCK_LENGTH;
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$sip = self::getLong($this->dbBinStr, $p);
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if ($ip < $sip) {
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$h = $m - 1;
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} else {
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$eip = self::getLong($this->dbBinStr, $p + 4);
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if ($ip > $eip) {
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$l = $m + 1;
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} else {
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$dataPtr = self::getLong($this->dbBinStr, $p + 8);
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break;
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}
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}
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}
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//not matched just stop it here
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if ($dataPtr == 0) return NULL;
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//get the data
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$dataLen = (($dataPtr >> 24) & 0xFF);
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$dataPtr = ($dataPtr & 0x00FFFFFF);
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return array(
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'city_id' => self::getLong($this->dbBinStr, $dataPtr),
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'region' => substr($this->dbBinStr, $dataPtr + 4, $dataLen - 4)
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);
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}
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/**
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* get the data block throught the specifield ip address or long ip numeric with binary search algorithm
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*
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* @param ip
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* @return mixed Array or NULL for any error
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*/
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public function binarySearch($ip) {
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//check and conver the ip address
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if (is_string($ip)) $ip = self::safeIp2long($ip);
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if ($this->totalBlocks == 0) {
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//check and open the original db file
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if ($this->dbFileHandler == NULL) {
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$this->dbFileHandler = fopen($this->dbFile, 'r');
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if ($this->dbFileHandler == false) {
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throw new Exception("Fail to open the db file {$this->dbFile}");
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}
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}
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fseek($this->dbFileHandler, 0);
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$superBlock = fread($this->dbFileHandler, 8);
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$this->firstIndexPtr = self::getLong($superBlock, 0);
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$this->lastIndexPtr = self::getLong($superBlock, 4);
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$this->totalBlocks = ($this->lastIndexPtr - $this->firstIndexPtr) / INDEX_BLOCK_LENGTH + 1;
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}
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//binary search to define the data
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$l = 0;
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$h = $this->totalBlocks;
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$dataPtr = 0;
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while ($l <= $h) {
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$m = (($l + $h) >> 1);
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$p = $m * INDEX_BLOCK_LENGTH;
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fseek($this->dbFileHandler, $this->firstIndexPtr + $p);
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$buffer = fread($this->dbFileHandler, INDEX_BLOCK_LENGTH);
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$sip = self::getLong($buffer, 0);
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if ($ip < $sip) {
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$h = $m - 1;
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} else {
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$eip = self::getLong($buffer, 4);
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if ($ip > $eip) {
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$l = $m + 1;
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} else {
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$dataPtr = self::getLong($buffer, 8);
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break;
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}
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}
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}
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//not matched just stop it here
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if ($dataPtr == 0) return NULL;
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//get the data
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$dataLen = (($dataPtr >> 24) & 0xFF);
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$dataPtr = ($dataPtr & 0x00FFFFFF);
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fseek($this->dbFileHandler, $dataPtr);
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$data = fread($this->dbFileHandler, $dataLen);
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return array(
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'city_id' => self::getLong($data, 0),
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'region' => substr($data, 4)
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);
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}
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/**
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* get the data block associated with the specifield ip with b-tree search algorithm
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* @Note: not thread safe
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*
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* @param ip
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* @return Mixed Array for NULL for any error
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*/
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public function btreeSearch($ip) {
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if (is_string($ip)) $ip = self::safeIp2long($ip);
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//check and load the header
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if ($this->HeaderSip == NULL) {
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//check and open the original db file
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if ($this->dbFileHandler == NULL) {
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$this->dbFileHandler = fopen($this->dbFile, 'r');
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if ($this->dbFileHandler == false) {
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throw new Exception("Fail to open the db file {$this->dbFile}");
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}
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}
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fseek($this->dbFileHandler, 8);
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$buffer = fread($this->dbFileHandler, TOTAL_HEADER_LENGTH);
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//fill the header
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$idx = 0;
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$this->HeaderSip = array();
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$this->HeaderPtr = array();
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for ($i = 0; $i < TOTAL_HEADER_LENGTH; $i += 8) {
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$startIp = self::getLong($buffer, $i);
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$dataPtr = self::getLong($buffer, $i + 4);
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if ($dataPtr == 0) break;
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$this->HeaderSip[] = $startIp;
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$this->HeaderPtr[] = $dataPtr;
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$idx++;
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}
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$this->headerLen = $idx;
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}
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//1. define the index block with the binary search
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$l = 0;
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$h = $this->headerLen;
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$sptr = 0;
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$eptr = 0;
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while ($l <= $h) {
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$m = (($l + $h) >> 1);
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//perfetc matched, just return it
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if ($ip == $this->HeaderSip[$m]) {
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if ($m > 0) {
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$sptr = $this->HeaderPtr[$m - 1];
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$eptr = $this->HeaderPtr[$m];
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} else {
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$sptr = $this->HeaderPtr[$m];
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$eptr = $this->HeaderPtr[$m + 1];
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}
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break;
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}
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//less then the middle value
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if ($ip < $this->HeaderSip[$m]) {
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if ($m == 0) {
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$sptr = $this->HeaderPtr[$m];
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$eptr = $this->HeaderPtr[$m + 1];
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break;
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} else if ($ip > $this->HeaderSip[$m - 1]) {
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$sptr = $this->HeaderPtr[$m - 1];
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$eptr = $this->HeaderPtr[$m];
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break;
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}
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$h = $m - 1;
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} else {
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if ($m == $this->headerLen - 1) {
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$sptr = $this->HeaderPtr[$m - 1];
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$eptr = $this->HeaderPtr[$m];
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break;
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} else if ($ip <= $this->HeaderSip[$m + 1]) {
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$sptr = $this->HeaderPtr[$m];
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$eptr = $this->HeaderPtr[$m + 1];
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break;
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}
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$l = $m + 1;
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}
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}
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//match nothing just stop it
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if ($sptr == 0) return NULL;
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//2. search the index blocks to define the data
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$blockLen = $eptr - $sptr;
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fseek($this->dbFileHandler, $sptr);
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$index = fread($this->dbFileHandler, $blockLen + INDEX_BLOCK_LENGTH);
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$dataptr = 0;
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$l = 0;
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$h = $blockLen / INDEX_BLOCK_LENGTH;
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while ($l <= $h) {
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$m = (($l + $h) >> 1);
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$p = (int)($m * INDEX_BLOCK_LENGTH);
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$sip = self::getLong($index, $p);
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if ($ip < $sip) {
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$h = $m - 1;
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} else {
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$eip = self::getLong($index, $p + 4);
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if ($ip > $eip) {
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$l = $m + 1;
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} else {
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$dataptr = self::getLong($index, $p + 8);
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break;
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}
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}
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}
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//not matched
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if ($dataptr == 0) return NULL;
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//3. get the data
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$dataLen = (($dataptr >> 24) & 0xFF);
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$dataPtr = ($dataptr & 0x00FFFFFF);
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fseek($this->dbFileHandler, $dataPtr);
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$data = fread($this->dbFileHandler, $dataLen);
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return array(
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'city_id' => self::getLong($data, 0),
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'region' => substr($data, 4)
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);
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}
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/**
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* safe self::safeIp2long function
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*
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* @param ip
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* */
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public static function safeIp2long($ip) {
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$ip = ip2long($ip);
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// convert signed int to unsigned int if on 32 bit operating system
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if ($ip < 0 && PHP_INT_SIZE == 4) {
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$ip = sprintf("%u", $ip);
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}
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return $ip;
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}
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/**
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* read a long from a byte buffer
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*
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* @param b
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* @param offset
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*/
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public static function getLong($b, $offset) {
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$val = (
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(ord($b[$offset++])) |
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(ord($b[$offset++]) << 8) |
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(ord($b[$offset++]) << 16) |
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(ord($b[$offset]) << 24)
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);
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// convert signed int to unsigned int if on 32 bit operating system
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|
if ($val < 0 && PHP_INT_SIZE == 4) {
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$val = sprintf("%u", $val);
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}
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|
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return $val;
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||||||
|
}
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|
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||||||
|
/**
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* destruct method, resource destroy
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||||||
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*/
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public function __destruct() {
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if ($this->dbFileHandler != NULL) {
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fclose($this->dbFileHandler);
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|
}
|
||||||
|
|
||||||
|
$this->dbBinStr = NULL;
|
||||||
|
$this->HeaderSip = NULL;
|
||||||
|
$this->HeaderPtr = NULL;
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
?>
|
||||||
225
vendor/zoujingli/ip2region/LICENSE.md
vendored
Normal file
225
vendor/zoujingli/ip2region/LICENSE.md
vendored
Normal file
@ -0,0 +1,225 @@
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|
Apache License
|
||||||
|
Version 2.0, January 2004
|
||||||
|
http://www.apache.org/licenses/
|
||||||
|
|
||||||
|
TERMS AND CONDITIONS FOR USE, REPRODUCTION, AND DISTRIBUTION
|
||||||
|
|
||||||
|
1. Definitions.
|
||||||
|
|
||||||
|
"License" shall mean the terms and conditions for use, reproduction,
|
||||||
|
and distribution as defined by Sections 1 through 9 of this document.
|
||||||
|
|
||||||
|
"Licensor" shall mean the copyright owner or entity authorized by
|
||||||
|
the copyright owner that is granting the License.
|
||||||
|
|
||||||
|
"Legal Entity" shall mean the union of the acting entity and all
|
||||||
|
other entities that control, are controlled by, or are under common
|
||||||
|
control with that entity. For the purposes of this definition,
|
||||||
|
"control" means (i) the power, direct or indirect, to cause the
|
||||||
|
direction or management of such entity, whether by contract or
|
||||||
|
otherwise, or (ii) ownership of fifty percent (50%) or more of the
|
||||||
|
outstanding shares, or (iii) beneficial ownership of such entity.
|
||||||
|
|
||||||
|
"You" (or "Your") shall mean an individual or Legal Entity
|
||||||
|
exercising permissions granted by this License.
|
||||||
|
|
||||||
|
"Source" form shall mean the preferred form for making modifications,
|
||||||
|
including but not limited to software source code, documentation
|
||||||
|
source, and configuration files.
|
||||||
|
|
||||||
|
"Object" form shall mean any form resulting from mechanical
|
||||||
|
transformation or translation of a Source form, including but
|
||||||
|
not limited to compiled object code, generated documentation,
|
||||||
|
and conversions to other media types.
|
||||||
|
|
||||||
|
"Work" shall mean the work of authorship, whether in Source or
|
||||||
|
Object form, made available under the License, as indicated by a
|
||||||
|
copyright notice that is included in or attached to the work
|
||||||
|
(an example is provided in the Appendix below).
|
||||||
|
|
||||||
|
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APPENDIX: How to apply the Apache License to your work.
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|
||||||
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==========================================================================
|
||||||
|
The following license applies to the ip2region library
|
||||||
|
--------------------------------------------------------------------------
|
||||||
|
Copyright (c) 2015 Lionsoul<chenxin619315@gmail.com>
|
||||||
|
|
||||||
|
Permission is hereby granted, free of charge, to any person obtaining
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the following conditions:
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The above copyright notice and this permission notice shall be
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|
||||||
50
vendor/zoujingli/ip2region/README.md
vendored
Normal file
50
vendor/zoujingli/ip2region/README.md
vendored
Normal file
@ -0,0 +1,50 @@
|
|||||||
|
[](https://packagist.org/packages/zoujingli/ip2region)
|
||||||
|
[](https://packagist.org/packages/zoujingli/ip2region)
|
||||||
|
[](https://packagist.org/packages/zoujingli/ip2region)
|
||||||
|
[](https://packagist.org/packages/zoujingli/ip2region)
|
||||||
|
|
||||||
|
|
||||||
|
本库基于 [ip2region](https://github.com/lionsoul2014/ip2region) ，简单整合方便使用`composer`来管理。
|
||||||
|
--
|
||||||
|
|
||||||
|
[ip2region](https://github.com/lionsoul2014/ip2region) - 最自由的ip地址查询库，ip到地区的映射库，提供Binary,B树和纯内存三种查询算法，妈妈再也不用担心我的ip地址定位。
|
||||||
|
|
||||||
|
### 1. 99.9%准确率，定时更新：
|
||||||
|
|
||||||
|
数据聚合了一些知名ip到地名查询提供商的数据，这些是他们官方的的准确率，经测试着实比纯真啥的准确多了。<br />
|
||||||
|
每次聚合一下数据需要1-2天，会不定时更新。
|
||||||
|
|
||||||
|
### 2. 标准化的数据格式：
|
||||||
|
|
||||||
|
每条ip数据段都固定了格式：_城市Id|国家|区域|省份|城市|ISP_
|
||||||
|
|
||||||
|
只有中国的数据精确到了城市，其他国家只能定位到国家，后前的选项全部是0，已经包含了全部你能查到的大大小小的国家。
|
||||||
|
（请忽略前面的城市Id，个人项目需求）
|
||||||
|
|
||||||
|
### 3. 体积小：
|
||||||
|
|
||||||
|
数据库文件ip2region.db只有3.5M
|
||||||
|
|
||||||
|
### Composer 安装
|
||||||
|
|
||||||
|
```
|
||||||
|
composer require zoujingli/ip2region
|
||||||
|
```
|
||||||
|
|
||||||
|
### ip2region 使用
|
||||||
|
```php
|
||||||
|
|
||||||
|
$ip2region = new Ip2Region();
|
||||||
|
|
||||||
|
$ip = '101.105.35.57';
|
||||||
|
|
||||||
|
$info = $ip2region->btreeSearch($ip);
|
||||||
|
|
||||||
|
var_export($info, true);
|
||||||
|
|
||||||
|
// array (
|
||||||
|
// 'city_id' => 2163,
|
||||||
|
// 'region' => '中国|华南|广东省|深圳市|鹏博士',
|
||||||
|
// )
|
||||||
|
|
||||||
|
```
|
||||||
18
vendor/zoujingli/ip2region/composer.json
vendored
Normal file
18
vendor/zoujingli/ip2region/composer.json
vendored
Normal file
@ -0,0 +1,18 @@
|
|||||||
|
{
|
||||||
|
"type": "library",
|
||||||
|
"name": "zoujingli/ip2region",
|
||||||
|
"homepage": "https://github.com/zoujingli/Ip2Region",
|
||||||
|
"description": "Ip2Region",
|
||||||
|
"license": "Apache 2.0",
|
||||||
|
"keywords": [
|
||||||
|
"Ip2Region"
|
||||||
|
],
|
||||||
|
"require": {
|
||||||
|
"php": ">=5.3.3"
|
||||||
|
},
|
||||||
|
"autoload": {
|
||||||
|
"classmap": [
|
||||||
|
"Ip2Region.php"
|
||||||
|
]
|
||||||
|
}
|
||||||
|
}
|
||||||
BIN
vendor/zoujingli/ip2region/ip2region.db
vendored
Normal file
BIN
vendor/zoujingli/ip2region/ip2region.db
vendored
Normal file
Binary file not shown.
Loading…
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Reference in New Issue
Block a user