<?php
declare(strict_types=1);
$lane=$argv[1]??'';$action=$argv[2]??'';
if(!in_array($lane,['B','C'],true)||!in_array($action,['metadata','preflight','inspect-drift','native-preflight','fixture','start','run','stop'],true))exit(78);
$env=[];$runtimeKeys=['PATH','LANG','TZ','LD_LIBRARY_PATH','DM_HOME','NLS_LANG','DM_CHARSET','DM_SVC_PATH','LC_ALL','LC_CTYPE'];
if($lane==='B'){foreach($runtimeKeys as $k)if(getenv($k)!==false)$env[$k]=getenv($k);$ini=parse_ini_file('/workspace/zhct/zhctproject/ai_api/.env.local',true,INI_SCANNER_RAW);$v=array_merge(['HOSTPORT'=>'3306','CHARSET'=>'utf8','PREFIX'=>'yoshop_'],$ini['DATABASE']??[]);foreach(['HOSTNAME'=>'HOST','HOSTPORT'=>'PORT','DATABASE'=>'SCHEMA','USERNAME'=>'USER','PASSWORD'=>'PASSWORD','CHARSET'=>'CHARSET','PREFIX'=>'PREFIX'] as $f=>$t){if(!array_key_exists($f,$v))throw new RuntimeException('Missing approved local key '.$f);$env['POC_AI_'.$t]=$v[$f];}$env['POC_DIALECT']='mysql';$php=['/usr/local/php7.4/bin/php'];}
else{$cmd=file_get_contents('/proc/53772/cmdline');if(strpos($cmd,'127.0.0.1:18102')===false)throw new RuntimeException('DM parent identity drift');$allowed=$runtimeKeys;foreach(['AI','STORE','ZHCT'] as $dbKey)foreach(['HOST','PORT','SCHEMA','USER','PASSWORD','CHARSET','PREFIX'] as $key)$allowed[]='POC_'.$dbKey.'_'.$key;$allowed[]='POC_DIALECT';foreach(explode("\0",file_get_contents('/proc/53772/environ')) as $entry){$p=explode('=',$entry,2);if(count($p)===2&&in_array($p[0],$allowed,true))$env[$p[0]]=$p[1];}unset($entry,$p);if(($env['POC_AI_HOST']??'')!=='127.0.0.1'||($env['POC_AI_PORT']??'')!=='5238'||($env['POC_AI_SCHEMA']??'')!=='AIZHCT_APP')throw new RuntimeException('DM target drift');foreach(['STORE','ZHCT'] as $dbKey)if(isset($env['POC_'.$dbKey.'_HOST'])&&($env['POC_'.$dbKey.'_HOST']!=='127.0.0.1'||$env['POC_'.$dbKey.'_PORT']!=='5237'||$env['POC_'.$dbKey.'_SCHEMA']!=='ZHCT_APP'))throw new RuntimeException('Secondary DM target drift');$php=['/www/server/php/74/bin/php','-c','/www/server/php/74/etc/php-cli.ini','-d','extension=/home/dmdba/dmdbms/drivers/php_pdo/libphp74_dm.so','-d','extension=/home/dmdba/dmdbms/drivers/php_pdo/php74_pdo_dm.so'];}
$env['COMMENT_LANE']=$lane;$env['COMMENT_RUNTIME']=__DIR__.'/private';$env['COMMENT_ROOT']=__DIR__.'/source';$env['COMMENT_BASE']='http://127.0.0.1:'.($lane==='B'?18851:18852);
$port=$lane==='B'?18851:18852;
if($action==='start'){if($s=@fsockopen('127.0.0.1',$port,$e,$m,1)){fclose($s);throw new RuntimeException('Own port collision');}if(is_file(__DIR__.'/private/state.json'))throw new RuntimeException('Own worker state already exists');$args=array_merge($php,['-d','allow_url_fopen=0','-d','disable_functions=curl_init,curl_setopt,curl_exec,curl_close,curl_multi_init,curl_multi_exec,fsockopen,stream_socket_client','-d','display_errors=0','-d','log_errors=0','-S','127.0.0.1:'.$port,'-t',__DIR__,__DIR__.'/router.php']);$cmd='nohup '.implode(' ',array_map('escapeshellarg',$args)).' </dev/null >/dev/null 2>&1 & echo $!';$p=proc_open($cmd,[1=>['pipe','w'],2=>['pipe','w']],$pipes,null,$env);$pid=trim(stream_get_contents($pipes[1]));$err=stream_get_contents($pipes[2]);fclose($pipes[1]);fclose($pipes[2]);if(proc_close($p)!==0||!ctype_digit($pid)||$err!=='')throw new RuntimeException('Own worker launch failed');file_put_contents(__DIR__.'/private/state.json',json_encode(['pid'=>(int)$pid,'port'=>$port]));chmod(__DIR__.'/private/state.json',0600);echo json_encode(['lane'=>$lane,'collision_zero'=>true,'pid'=>(int)$pid,'port'=>$port]),"\n";exit;}
if($action==='stop'){$s=json_decode(file_get_contents(__DIR__.'/private/state.json'),true);$cmd=str_replace("\0",' ',file_get_contents('/proc/'.$s['pid'].'/cmdline'));if(strpos($cmd,__DIR__.'/router.php')===false||strpos($cmd,':'.$port)===false)throw new RuntimeException('Own worker identity drift');posix_kill($s['pid'],SIGTERM);usleep(200000);if($socket=@fsockopen('127.0.0.1',$port,$e,$m,1)){fclose($socket);throw new RuntimeException('Own port remains open');}echo json_encode(['lane'=>$lane,'own_worker_stopped'=>true,'port_closed'=>true]),"\n";exit;}
$p=proc_open(array_merge($php,[__DIR__.'/'.$action.'.php']),[0=>STDIN,1=>STDOUT,2=>STDERR],$pipes,null,$env);exit(proc_close($p));