/**
* 可以获取Memcache的一个连接，并保持
* @author FM
* @example LibMem\L($Id);
* @param string $Id
* @param bool $new_link 为TRUE时强制产生新的连接
* @param bool $persist_link 为TRUE时，获得持久化连接
* @param int $retryTimes 重连次数，默认不重连
* @param int $retry_interval 重试间隔秒数
* @internal 分布式的方法，采用Twemproxy
* @return \Memcache 成功时返回Memcache对象，失败时返回FALSE
*/
function L($Id = 'default', $new_link = FALSE, $persist_link = FALSE, $retryTimes = 0, $retry_interval = 2)
{
$cfgId = $Id;
static $_obj = array();
if ($persist_link) {
$Id .= '|p';
}
if (isset($_obj[$Id]) === FALSE) {
$memConf = C('mchost_' . $cfgId);
// 先获得$memId的conf
if (empty($memConf) || !is_array($memConf)) {
// 无配置错误
if (DEBUG) {
throw new \Exception('no memconf ' . $cfgId . ' config.', 10002);
} else {
return FALSE;
}
}
$_obj[$Id] = new \Memcache();
// host/port/timeout/ // timeout参数不需要
if ($persist_link) {
$r = $_obj[$Id]->pconnect($memConf['host'][0], $memConf['host'][1]);
} else {
$r = $_obj[$Id]->connect($memConf['host'][0], $memConf['host'][1]);
}
// 如果第一次连接不成功，则重连
if (!$r) {
$retry = 0;
while ($retry < $retryTimes) {
if ($persist_link) {
$r = $_obj[$Id]->pconnect($memConf['host'][0], $memConf['host'][1]);
} else {
$r = $_obj[$Id]->connect($memConf['host'][0], $memConf['host'][1]);
}
if ($r) {
break;
} else {
unset($_obj[$Id]);
}
// 重连，间隔2秒钟
$retry++;
if ($retry_interval > 0) {
sleep($retry_interval);
}
}
}
if (!$r || !isset($_obj[$Id]) || !$_obj[$Id]) {
$code = 10002;
$message = 'can not connect to memcached';
Log($code, $message, $memConf);
if (DEBUG) {
throw new \Exception($message, $code);
} else {
return FALSE;
}
}
}
return $_obj[$Id];
}
static function Dump($x, $message = NULL)
{
if (defined('LOG_VERBOSE')) {
if ($message != NULL) {
Log($message);
}
// Dump x
ob_start();
var_dump($x);
$contents = ob_get_contents();
ob_end_clean();
error_log($contents);
if ($message != NULL) {
Log("**************************************");
}
}
}
public function closeDay()
{
if ($cur_price = Stock::getCurPrice($this->sc_id)) {
$this->day_close = $cur_price;
$this->status = $this->day_open > $this->day_close ? ((double) $this->day_close / (double) $this->day_open - 1.0) * 100.0 : ((double) $this->day_close / (double) $this->day_open - 1.0) * 100.0;
$database = new Database();
$query = "UPDATE " . self::$table;
$query .= " SET day_close =" . $this->day_close . ", status=" . $this->status;
$query .= " WHERE id=" . $this->id;
echo $query;
$run = $database->query($query);
if ($run) {
unset($database);
return true;
} else {
Log("Couldnt execute StockHistory::closeday close manually for {$this->sc_id}", LOG_MANUAL);
return false;
}
} else {
Log("Couldnt execute StockHistory::closeday close manually for {$this->sc_id}", LOG_MANUAL);
return false;
}
}
/**
* 初始化函数
* @param string $name 连接名
* @param array $config 连接配置
* @throws Exception
*/
public function __construct($name, $config)
{
$host = $config['host'];
$port = $config['port'];
$db = isset($config['db']) ? $config['db'] : 0;
$conn =& self::findServer($config);
$this->db = $db;
$this->name = $name;
if (!$conn) {
switch (strtolower($config['type'])) {
case 'mysql':
$user = $config['user'];
$pwd = $config['pwd'];
$timeout = 2;
//秒
if (!empty($config['timeout'])) {
$timeout = +$config['timeout'];
}
try {
$conn = array('type' => $config['type'], 'host' => $host, 'port' => $port, 'db' => $db, 'name' => $name, 'ctime' => microtime(true), 'handle' => new PDO("mysql:host={$host};port={$port};dbname={$db};charset=utf8", "{$user}", "{$pwd}", array(PDO::ATTR_ERRMODE => PDO::ERRMODE_EXCEPTION, PDO::ATTR_DEFAULT_FETCH_MODE => PDO::FETCH_ASSOC)));
//php5.3.6以下版本会忽略DSN中的charset设定 这里手动指定字符集
$conn['handle']->query('set names utf8;');
//禁用prepared statements的仿真效果 防止SQL注入
$conn['handle']->setAttribute(PDO::ATTR_EMULATE_PREPARES, false);
Log("MysqlConnected: {$this->name} {$host}:{$port} {$db}");
self::$connections[] =& $conn;
} catch (PDOException $e) {
$message = $e->getMessage();
Log("MysqlError: {$message} at {$this->name} connect");
}
break;
default:
//默认redis
$conn = array('type' => $config['type'], 'host' => $host, 'port' => $port, 'db' => 0, 'name' => $name, 'handle' => new Redis());
$timeout = 0;
if (!empty($config['timeout'])) {
$timeout = +$config['timeout'];
}
try {
$start_time = microtime(true);
if (!$conn['handle']->connect($host, $port, $timeout)) {
$took = microtime(true) - $start_time;
throw new Exception("Connection failed, took {$took}s.");
}
$conn['ctime'] = microtime(true);
Log("RedisConnected: {$this->name} {$host}:{$port}");
self::$connections[] =& $conn;
} catch (Exception $e) {
$message = $e->getMessage();
Log("RedisError: {$message} at {$this->name} connect");
}
break;
}
}
$this->connection =& $conn;
}
<?php
/**
* Created by PhpStorm.
* User: Seevali
* Date: 2014-08-15
* Time: 09:33
*/
define('_MEXEC', 'OK');
require_once "../../system/load.php";
$action = $_REQUEST['action'];
switch ($action) {
case "Log":
Log();
break;
}
function Log()
{
}
/**
* 可以获取Redis的一个连接，并保持
* @author FM
* @example LibMy\L($Id);
* @param string $Id
* @param bool $new_link 为TRUE时强制产生新的连接
* @param bool $persist_link 为TRUE时，获得持久化连接
* @param int $retryTimes 重连次数，默认为0，不重连
* @param int $retry_interval 重连间隔时间，默认为2秒
* @internal 分布式的方法，采用Twemproxy
* @return \Redis 成功时返回Redis对象，失败时返回FALSE
*/
function L($Id = 'default', $new_link = FALSE, $persist_link = FALSE, $options = array(), $retryTimes = 0, $retry_interval = 2)
{
$cfgId = $Id;
static $_obj = array();
if ($persist_link) {
$Id .= '|p';
}
if (isset($_obj[$Id]) === FALSE || $new_link) {
$rdConf = C('rdhost_' . $cfgId);
// 先获得$rdId的conf
if (empty($rdConf) || !is_array($rdConf)) {
// 无配置错误
if (DEBUG) {
throw new \Exception('no redis ' . $cfgId . ' config.', 10002);
} else {
return FALSE;
}
}
$_obj[$Id] = new \Redis();
// host/port/timeout/reserved(should be NULL)/retry_interval
// timeout/reserved/retry_interval 这几个参数基本无效
if ($persist_link) {
$r = $_obj[$Id]->pconnect($rdConf['host'][0], $rdConf['host'][1]);
} else {
$r = $_obj[$Id]->connect($rdConf['host'][0], $rdConf['host'][1]);
}
if (!$r) {
$retry = 0;
while ($retry < $retryTimes) {
$r = $_obj[$Id]->connect($rdConf['host'][0], $rdConf['host'][1]);
if ($r) {
break;
} else {
unset($_obj[$Id]);
}
// 重连，间隔2秒钟
$retry++;
if ($retry_interval > 0) {
sleep($retry_interval);
}
}
}
if (!$r || !isset($_obj[$Id]) || !$_obj[$Id]) {
// 连接失败时，记录一条日志，报警监控
$code = 10003;
$message = 'can not connect to redis';
Log($code, $message, $rdConf);
if (DEBUG) {
throw new \Exception($message, $code);
} else {
return FALSE;
}
}
if ($options) {
foreach ($options as $k => $v) {
$_obj[$Id]->setOption($k, $v);
}
}
}
return $_obj[$Id];
}
FUNCTION CountStatBar($max, $value) {
$res = 5;
$der = 80;
$size = 150;
$width = Ceil($size*((Log($res + $der*$value/$max)-Log($res))/(Log($res+$der)-Log($res))));
RETURN $width;
}
