Exemplo n.º 1
0
func TumblrParser(taskset *nandu.TaskSet, task *common.Task, bytes []byte) {
	resp := new(TumblrResponse)
	err := json.Unmarshal(bytes, resp)
	if err != nil {
		util.Error("failed to parse response %s\n", err.Error())
		return
	}

	d := TaskTumblrData{}
	task.GetData(&d)

	if d.Sleep != 0 {
		time.Sleep(time.Duration(d.Sleep) * time.Millisecond)
	}

	if d.Bid == 0 {
		blog := getTumblrBlog(d.Name, taskset.GetDB())
		d.Bid = int64(blog.ID)
	}

	util.Info("fetching %s\n", task.Url)

	begin := int64(resp.Data.Blog.Posts) - d.Offset
	end := begin - int64(len(resp.Data.Posts)) + 1

	ibegin, iend := d.Update(begin, end)

	for i := ibegin; i < iend; i++ {
		post := resp.Data.Posts[i]
		post.TumblrBlogID = uint(d.Bid)
		post.Offset = uint(begin - i)
		for j := range post.TumblrPhotos {
			post.TumblrPhotos[j].Fill()
			url := post.TumblrPhotos[j].Orig.Url
			if fn, err := getFileName(url); err == nil {
				util.Info("yield %s %s (%d | %d)\n", url, fn, resp.Data.Blog.Posts, begin-i)
			}
		}
		taskset.GetDB().Create(&post)
	}

	if d.HasMore() {
		new_task := new(common.Task)
		new_task.Project = task.Project
		new_task.TaskSet = task.TaskSet
		d.Offset = int64(resp.Data.Blog.Posts) - d.Current + 1
		new_task.SetData(d)
		new_task.Url = genUrlFromInterval(&d)
		taskset.GetWorker().Push(new_task)
	}
}
Exemplo n.º 2
0
func DownloadParser(taskset *nandu.TaskSet, task *common.Task, bs []byte) {

	if gDownloadInfo == nil {
		var err error
		gDownloadInfo, err = NewDownloadInfo(kDownloadInfoFile)
		if err != nil {
			util.Fatal("%s\n", err.Error())
		}
	}

	h := md5.New()
	h.Write(bs)
	hash := fmt.Sprintf("%x", h.Sum(nil))

	data := DownloadData{}
	task.GetData(&data)

	if dup, fid := duplicate(taskset.GetDB(), hash); dup {
		setFileId(taskset.GetDB(), data.Pid, fid)
		return
	}

	iv, bs := encrypt(bs, gDownloadInfo.EncryptKey)

	fileData := FileData{}
	fileData.FileName = fmt.Sprintf("%x%s", iv[:4], hash[:24])
	fileData.Hash = hash

	err := gDownloadInfo.Bucket.PutObject(fileData.FileName, bytes.NewReader(bs))
	if err != nil {
		util.Error("can't create file %s\n", err.Error())
	} else {
		util.Info("downloading %s\n", task.Url)
		taskset.GetDB().Create(&fileData)
		setFileId(taskset.GetDB(), data.Pid, fileData.ID)
	}
}