<?php

namespace Home\Controller;
use OSS\OssClient;
use OSS\Core\OSsException;

class OssController extends HomeController {
    
   
    /**
    *上传到OSS
    */
    public function upload_game_pak_oss($return_data=null){
        /**
        * 根据Config配置，得到一个OssClient实例
        */
        try {
            Vendor('OSS.autoload');
            $ossClient = new \OSS\OssClient(C("oss_storage.accesskeyid"), C("oss_storage.accesskeysecr"), C("oss_storage.domain"));
        } catch (OssException $e) {
            $this->error($e->getMessage());
        }

        $bucket = C('oss_storage.bucket');
        $oss_file_path ="icon/". $return_data["savename"];
        $avatar = $return_data["path"];
        try {

         $this->multiuploadFile($ossClient,$bucket,$oss_file_path,$avatar);        
        return true;
        } catch (OssException $e) {
            /* 返回JSON数据 */
           $this->error($e->getMessage());
        }
    }

     public function multiuploadFile($ossClient, $bucket,$url,$file){
        //$file = __FILE__;
        $options = array();
        try{
            #初始化分片上传文件
            $uploadId = $ossClient->initiateMultipartUpload($bucket, $url);
            //$ossClient->multiuploadFile($bucket, $url, $file, $options);
        } catch(OssException $e) {
            printf(__FUNCTION__ . ": initiateMultipartUpload FAILED\n");
            printf($e->getMessage() . "\n");
            return;
        }
        /*
         * step 2. 上传分片
         */
        $partSize = 5 * 1000 * 1024;
        $uploadFile = $file;
        $uploadFileSize = filesize($uploadFile);
        $pieces = $ossClient->generateMultiuploadParts($uploadFileSize, $partSize);
        $responseUploadPart = array();
        $uploadPosition = 0;
        $isCheckMd5 = true;
        foreach ($pieces as $i => $piece) {
            $fromPos = $uploadPosition + (integer)$piece[$ossClient::OSS_SEEK_TO];
            $toPos = (integer)$piece[$ossClient::OSS_LENGTH] + $fromPos - 1;
            $upOptions = array(
                $ossClient::OSS_FILE_UPLOAD => $uploadFile,
                $ossClient::OSS_PART_NUM => ($i + 1),
                $ossClient::OSS_SEEK_TO => $fromPos,
                $ossClient::OSS_LENGTH => $toPos - $fromPos + 1,
                $ossClient::OSS_CHECK_MD5 => $isCheckMd5,
            );
            if ($isCheckMd5) {
                $contentMd5 = \OSS\Core\OssUtil::getMd5SumForFile($uploadFile, $fromPos, $toPos);
                $upOptions[$ossClient::OSS_CONTENT_MD5] = $contentMd5;
            }
            //2. 将每一分片上传到OSS
            try {
                $responseUploadPart[] = $ossClient->uploadPart($bucket, $url, $uploadId, $upOptions);
            } catch(OssException $e) {
                printf(__FUNCTION__ . ": initiateMultipartUpload, uploadPart - part#{$i} FAILED\n");
                printf($e->getMessage() . "\n");
                return;
            }
            //printf(__FUNCTION__ . ": initiateMultipartUpload, uploadPart - part#{$i} OK\n");
        }
        $uploadParts = array();
        foreach ($responseUploadPart as $i => $eTag) {
            $uploadParts[] = array(
                'PartNumber' => ($i + 1),
                'ETag' => $eTag,
            );
        }
        /**
         * step 3. 完成上传
         */
        try {
            $ossClient->completeMultipartUpload($bucket, $url, $uploadId, $uploadParts);
        }  catch(OssException $e) {
            printf(__FUNCTION__ . ": completeMultipartUpload FAILED\n");
            printf($e->getMessage() . "\n");
            return;
        }
    }

}