Qiniu\Storage\ResumeUploader::uploadV1()

Complexity

Conditions	30
Paths	636

Size

Total Lines	113
Code Lines	71

Duplication

Lines	0
Ratio	0 %

Code Coverage

Tests	4
CRAP Score	30

Importance

Changes

0

<?php
    private function uploadV1($fname, $blkputRets = null)
    {
        // 尝试恢复恢复已上传的数据
        $isResumeUpload = $blkputRets !== null;
        $this->contexts = array();

        if ($blkputRets) {
            if (isset($blkputRets['contexts']) && isset($blkputRets['uploaded']) &&
                is_array($blkputRets['contexts']) && is_int($blkputRets['uploaded'])
            ) {
                $this->contexts = array_map(function ($ctx) {
                    if (is_array($ctx)) {
                        return $ctx;
                    } else {
                        // 兼容旧版本（旧版本没有存储 expireAt）
                        return array(
                            "ctx" => $ctx,
                            "expiredAt" => 0,
                        );
                    }
                }, $blkputRets['contexts']);
            }
        }

        // 上传分片
        $uploaded = 0;
        while ($uploaded < $this->size) {
            $blockSize = $this->blockSize($uploaded);
            $blockIndex = $uploaded / $this->partSize;
            if (!is_int($blockIndex)) {
                throw new \Exception("v1 part size changed");
            }
            // 如果已上传该分片且没有过期
            if (isset($this->contexts[$blockIndex]) && $this->contexts[$blockIndex]["expiredAt"] >= time()) {
                $uploaded += $blockSize;
                fseek($this->inputStream, $blockSize, SEEK_CUR);
                continue;
            }
            $data = fread($this->inputStream, $blockSize);
            if ($data === false) {
                throw new \Exception("file read failed", 1);
            }
            $crc = \Qiniu\crc32_data($data);
            $response = $this->makeBlock($data, $blockSize);


            $ret = null;
            if ($response->ok() && $response->json() != null) {
                $ret = $response->json();
            }
            if ($response->statusCode < 0) {
                list($accessKey, $bucket, $err) = \Qiniu\explodeUpToken($this->upToken);
                if ($err != null) {
                    return array(null, $err);
                }
                list($upHostBackup, $err) = $this->config->getUpBackupHostV2($accessKey, $bucket);
                if ($err != null) {
                    return array(null, $err);
                }
                $this->host = $upHostBackup;
            }

            if ($response->needRetry() || !isset($ret['crc32']) || $crc != $ret['crc32']) {
                $response = $this->makeBlock($data, $blockSize);
                $ret = $response->json();
            }
            if (!$response->ok() || !isset($ret['crc32']) || $crc != $ret['crc32']) {
                return array(null, new Error($this->currentUrl, $response));
            }

            // 如果可以在已上传取到说明是过期分片直接修改已上传信息，否则是新的片添加到已上传分片尾部
            if (isset($this->contexts[$blockIndex])) {
                $this->contexts[$blockIndex] = array(
                    'ctx' => $ret['ctx'],
                    'expiredAt' => $ret['expired_at'],
                );
            } else {
                array_push($this->contexts, array(
                    'ctx' => $ret['ctx'],
                    'expiredAt' => $ret['expired_at'],
                ));
            }
            $uploaded += $blockSize;

            // 记录断点
            if ($this->resumeRecordFile !== null) {
                $recordData = array(
                    'contexts' => $this->contexts,
                    'uploaded' => $uploaded
                );
                $recordData = json_encode($recordData);

                if ($recordData) {
                    $isWritten = file_put_contents($this->resumeRecordFile, $recordData);
                    if ($isWritten === false) {
                        error_log("write resumeRecordFile failed");
                    }
                } else {
                    error_log('resumeRecordData encode failed');
                }
            }
        }

        // 完成上传
        list($ret, $err) = $this->makeFile($fname);
        if ($err !== null) {
            $response = $err->getResponse();
            if ($isResumeUpload && $response->statusCode === 701) {
                fseek($this->inputStream, 0);
                return $this->uploadV1($fname);
            }
        }
        return array($ret, $err);
    }