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DqRedis.php
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445 lines (401 loc) · 16.5 KB
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<?php
include_once 'DqLoader.php';
class DqRedis{
const TOTAL_WRITE_NUMS ='dq_write_total_nums';
const TOTAL_NOTIFY_NUMS='dq_notify_total_nums';
const TOTAL_DELETE_NUMS='dq_del_total_nums';
const TID_SEP_CHAR=':';
public static function getRedisServerById($jobId){
$key = crc32($jobId) % count(DqConf::getRedisServer());
$server = DqConf::getRedisServer();
return $server[$key];
}
//获取配置配件
static $instance=array();
public static function getRedisInstance($jobid,$flag='master',$force=false){
static $instance = null;
try {
$redis = self::getRedisServerById($jobid);
if(empty($redis)){
throw new Exception('get empty redis server,jobid='.$jobid);
}
return self::connect($redis, $flag, $force);
}catch (Exception $e){
DqLog::writeLog('getRedisInstance fail,msg='.$e->getMessage(),DqLog::LOG_TYPE_EXCEPTION);
}
}
private static function connect($redis,$flag='master',$force=false){
static $time=0;
$host = $redis[$flag]['host'];
$port = $redis[$flag]['port'];
$rid = $redis[$flag]['id'];
if(empty($host) || empty($port)){
throw new Exception('empty host or port');
}
$auth = $redis[$flag]['auth'];
$key = $host.":".$port;
try {
if (!$force) {
if((time() - $time) > DqConf::$redis_ping_interval && isset(self::$instance[$key]) ){ //每个20秒心跳检测一次
$time = time();
self::$instance[$key]->ping(); //如果连接断开这里会抛出异常, 耗时2-3ms
}
if (isset(self::$instance[$key]) ) {
return self::$instance[$key];
}
}
}catch (Exception $e){
DqLog::writeLog($e->getMessage().'line:'.$e->getLine(),DqLog::LOG_TYPE_EXCEPTION);
}
$redis = new Redis();
$redis->rid = $rid;
$redis->connect($host, $port, 3);
if(!empty($auth)){
$redis->auth($auth);
}
self::$instance[$key] = $redis;
$time = time();
return self::$instance[$key];
}
public static function getJobKey(){
return DqConf::$prefix.'job_info';
}
public static function getBucketKey($topic,$flag=false){
$key = crc32($topic) % DqConf::$bucket;
if($flag==false) {
return DqConf::$prefix . 'bucket_' . $key;
}else{
return DqConf::$prefix . 'bucket_' . $flag;
}
}
public static function getReadyQueueKey(){
return DqConf::$prefix.'ready_queue';
}
public static function getExpireTime($data){
if(isset($data['fix_time'])){
return strtotime($data['fix_time']);
}
$topic = $data['topic'];
$topRegistered = DqModule::getRegisterTopic();
if(!isset($topRegistered[$topic])){
DqLog::writeLog("$topic topic is unregisted",DqLog::LOG_TYPE_EXCEPTION);
return false;
}
$delay = $topRegistered[$topic]['delay'];
return time() + $delay;
}
public static function handle($data){
try {
//$start = DqComm::msectime();
$topRegistered = DqModule::getRegisterTopic();
$topic = $data['topic'];
$id = $data['id'];
$tid = self::create_tid($topic,$id);
$redis = self::getRedisInstance($tid);
if (!in_array($topic, array_keys($topRegistered))) {
throw new DqException('topic=' . $topic . ' is not registed');
}
if ($topRegistered[$topic]['status']!=1) {
throw new DqException('topic=' . $topic . ' is offline or deleted');
}
$hkey = self::getJobKey();
$zkey = self::getBucketKey($topic);
$score = self::getExpireTime($data);
$data['body']['notify_time'] = date('Y-m-d H:i:s',$score);
if(!isset($data['body']['dq_set_time'])) {
$data['body']['dq_set_time'] = date('Y-m-d H:i:s');
}
$body = json_encode($data['body']);
$pipe = $redis->multi(Redis::PIPELINE);
$ret1 = $pipe->hSet($hkey, $tid, $body);
$ret2 = $pipe->zadd($zkey, $score, $tid);
$result = $pipe->exec();
$isSucc = $result[0] || $result[1];
if($isSucc){
$notifyId = $topRegistered[$topic]['id']; //数据库自增id
DqRedis::incr_nums($notifyId,'total_write');
DqRedis::incr_nums($notifyId,'tw:'.date('Ymd'));
//记录总的写入个数
self::redis_self_incr($redis->rid,self::TOTAL_WRITE_NUMS);
}
DqLog::writeLog('handle succ:'.json_encode($data),DqLog::LOG_TYPE_REQUEST);
//echo (DqComm::msectime() - $start)."\n";
return $ret1 || $ret2;
}catch (DqException $e){
DqLog::writeLog('handle fail:'.json_encode($data).',msg='.$e->getMessage(),DqLog::LOG_TYPE_REQUEST);
DqLog::writeLog($e->getMessage(),DqLog::LOG_TYPE_EXCEPTION);
return false;
}
}
public static function timer($i=0){
DqMain::install_sig_usr1();
while(true) {
try {
$redisServers = self::getAllRedisServer();
foreach ($redisServers as $objRdis) {
$bucketKey = self::getBucketKey('',$i);
$start = 0;
while (true) {
pcntl_signal_dispatch();
DqMain::sig_stop_check();
$data = $objRdis->zRange($bucketKey, $start, $start, true);
if (empty($data)) {
break;
}
$tid = key($data);
$score = $data[$tid];
if ($score < time()) { //第一个元素到时间了移动到就绪队列
$readyKey = self::getReadyQueueKey();
$lockKey = 'lock:'.$tid;
if($objRdis->setnx($lockKey,1)) { //加锁保证移动数据操作原子性
DqLog::writeLog('get lock succ,id='.$tid);
DqLog::writeLog('data ready,data=' . json_encode($data));
if ($objRdis->zrem($bucketKey, $tid)) {
if (!$objRdis->rpush($readyKey, $tid)) {
$strMsg = 'move to ready queue failed,id=' . $tid . ',data=' . $objRdis->hget(self::getJobKey(), $tid);
DqLog::writeLog($strMsg, DqLog::LOG_TYPE_EXCEPTION);
} else {
DqLog::writeLog('data ready,data=' . json_encode($data) . ' move to queue succ,key=' . $readyKey);
}
} else {
$strMsg = 'del from bucket failed,id=' . $tid . ',score=' . date('Y-m-d H:i:s', $score) . ',data=' . $objRdis->hget(self::getJobKey(), $tid);
DqLog::writeLog($strMsg, DqLog::LOG_TYPE_EXCEPTION);
}
if($objRdis->delete($lockKey)){
DqLog::writeLog('delete lock succ,key='.$lockKey);
}else{
DqLog::writeLog('delete lock fail,key='.$lockKey,DqLog::LOG_TYPE_EXCEPTION);
}
}else{
DqLog::writeLog('get lock fail,tid='.$tid);
}
}
$start++;
}
}
} catch (Exception $e) {
DqLog::writeLog($e->getMessage(), DqLog::LOG_TYPE_EXCEPTION);
}
usleep(100000);
}
}
//获取id获取内容
public static function getBody($id){
$redis = self::getRedisInstance($id);
$data =$redis->hget(self::getJobKey(),$id);
return json_decode($data,true);
}
//删除内容
public static function delMsg($topic,$tid,$is_user_del=false){
try {
$redis = self::getRedisInstance($tid);
$flag1 = $redis->hdel(self::getJobKey(), $tid);
$flag2 = $redis->zDelete(self::getBucketKey($topic), $tid);
$ret = $flag1 || $flag2;
if ($ret && $is_user_del) {
$redis->incr(self::TOTAL_DELETE_NUMS);
$modules = DqModule::getRegisterTopic();
$regId = $modules[$topic]['id'];
DqRedis::incr_nums($regId, 'tdel:' . date('Ymd'),true);
DqRedis::incr_nums($regId, 'total_del',true);
}
DqLog::writeLog("delMsg succ,param=$topic,$tid,$is_user_del,ret=$flag1 || $flag2",DqLog::LOG_TYPE_REQUEST);
return $ret;
}catch (Exception $e){
DqLog::writeLog('delMsg fail,msg='.$e->getMessage().",param=$topic,$tid,$is_user_del",DqLog::LOG_TYPE_REQUEST);
}
}
public static function getAllRedisServer(){
$redisServers = DqConf::getRedisServer();
$servers = array();
foreach ($redisServers as $redis) {
$objRdis = self::connect($redis, 'master');
$servers[] = $objRdis;
}
return $servers;
}
public static function getAllTopic(){
$allModules = array_keys(DqModule::getRegisterTopic());
return $allModules;
}
static function parse_tid($tid){
$pos = strpos($tid,self::TID_SEP_CHAR);
if($pos===false){
return false;
}
$id = substr($tid,$pos+1);
$topic=substr($tid,0,$pos);
return array($topic,$id);
}
static function create_tid($topic,$id){
return $topic.self::TID_SEP_CHAR.$id;
}
public static function consume(){
DqMain::install_sig_usr1();
while(true) {
try {
$redisServerList = self::getAllRedisServer();
foreach ($redisServerList as $redis) {
$key = self::getReadyQueueKey();
while (true) {
pcntl_signal_dispatch();
DqMain::sig_stop_check();
$tid = $redis->lpop($key);
if(empty($tid)){
self::incr_force();
break;
}
DqLog::writeLog('ready pop tid=' . $tid);
$body = self::getBody($tid);
if (empty($body)) {
continue;
}
DqLog::writeLog('ready pop tid=' . $tid . ' body=' . json_encode($body));
self::redis_self_incr($redis->rid,self::TOTAL_NOTIFY_NUMS);
list($topic) = self::parse_tid($tid);
DqModule::notify($topic, $tid, $body);
}
}
} catch (Exception $e) {
DqLog::writeLog($e->getMessage(), DqLog::LOG_TYPE_EXCEPTION);
}
sleep(1);
}
}
static public function checkRedisStatus(){
static $num =0;
static $last_check_time=0;
$redisServers = DqConf::getRedisServer();
if(empty($redisServers)){
DqLog::writeLog('redis server empty,please add..',DqLog::LOG_TYPE_EXCEPTION);
return ;
}
foreach ($redisServers as $redis) {
try{
$objRdis = self::connect($redis, 'master', true);
$objRdis->ping();
} catch (Exception $e) {
$msg = $e->getMessage();
DqLog::writeLog($e->getMessage().' redis='.json_encode($redis),DqLog::LOG_TYPE_EXCEPTION);
if($msg=='Redis server went away'){
if(empty($last_check_time)){
$last_check_time = time();
$num ++;
}else{
if(time()-$last_check_time>30){
if($num>10) {
DqAlert::send_redis_down_notice($redis, $msg);
}
$num = 0;
$last_check_time = 0;
}else{
$num ++;
}
}
}
}
}
}
static public function incr_force(){
self::redis_self_incr('','',true);
self::incr_nums('','',true);
}
static public function redis_self_incr($id='',$key='',$force=false){
static $buf=array();
static $time = 0;
if(empty($time)){
$time = time();
}
try {
if (!empty($id) && !empty($key)) {
isset($buf[$id][$key]) ? $buf[$id][$key]++ : $buf[$id][$key] = 1;
}
if (!$force) {
if (time() - $time < DqConf::$flush_incr_interval) {
return true;
}
}
$servers = DqConf::getRedisServer();
foreach ($servers as $redis) {
try {
$id = $redis['master']['id'];
if(isset($buf[$id])) {
$incrs = $buf[$id];
$objRedis = self::connect($redis, 'master', false);
foreach ($incrs as $k => $v) {
if($objRedis->incrby($k, $v)){
unset($buf[$id][$k]); //删除已写入的
}else{
self::connect($redis, 'master', true); //强制重新连接
DqLog::writeLog("redis_self_incr fail,$k, $v,buf=".json_encode($buf),DqLog::LOG_TYPE_EXCEPTION);
}
}
}
} catch (Exception $e) {
DqLog::writeLog('redis_self_incr fail,msg=' . $e->getMessage(),DqLog::LOG_TYPE_EXCEPTION);
}
}
$time = time();
}catch (Exception $e){
DqLog::writeLog('redis_self_incr fail,msg=' . $e->getMessage(),DqLog::LOG_TYPE_EXCEPTION);
return false;
}
}
static public function incr_nums($id='',$key='',$force=false){
static $buf=array();
static $time = 0;
if(!empty($id) && !empty($key)){
$key = $id . ':' . $key;
if(isset($buf[$key])){
$buf[$key] ++;
}else{
$buf[$key] = 1;
}
}
if(empty($time)){
$time = time();
}
if(!$force) {
if (time() - $time < DqConf::$flush_incr_interval) {
return true;
}
}
if(empty($buf)){
return true;
}
try {
$server = DqConf::getRedisServer();
$redis = $server[0];
$objRedis = self::connect($redis, 'master', false);
foreach ($buf as $key => $incr) {
try {
if (!$objRedis->hincrby('dq_nums', $key, $incr)) {
self::connect($redis, 'master', true); //强制重新连接
DqLog::writeLog("incr_nums fail $id,$key,$incr,buf=".json_encode($buf), DqLog::LOG_TYPE_EXCEPTION);
}else{
unset($buf[$key]); //已写入的删除
}
} catch (Exception $e) {
DqLog::writeLog("incr_nums fail $id,$key,msg=" . $e->getMessage(), DqLog::LOG_TYPE_EXCEPTION);
}
}
$time = time();
return true;
}catch (Exception $e){
DqLog::writeLog('incr_nums exception,msg='.$e->getMessage(),DqLog::LOG_TYPE_EXCEPTION);
return false;
}
}
public static function get_nums($id,$key){
try {
$server = DqConf::getRedisServer();
$redis = $server[0];
$objRedis = self::connect($redis, 'master', false);
$key = $id . ':' . $key;
return $objRedis->hget('dq_nums', $key);
}catch (Exception $e){
DqLog::writeLog("get_nums fail $id,$key,msg=".$e->getMessage(),DqLog::LOG_TYPE_EXCEPTION);
return 0;
}
}
}