当前位置: 首页>>代码示例>>Golang>>正文


Golang Needle.WriteHeader方法代码示例

本文整理汇总了Golang中github.com/Terry-Mao/bfs/store/needle.Needle.WriteHeader方法的典型用法代码示例。如果您正苦于以下问题:Golang Needle.WriteHeader方法的具体用法?Golang Needle.WriteHeader怎么用?Golang Needle.WriteHeader使用的例子?那么, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在github.com/Terry-Mao/bfs/store/needle.Needle的用法示例。


在下文中一共展示了Needle.WriteHeader方法的1个代码示例,这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞,您的评价将有助于系统推荐出更棒的Golang代码示例。

示例1: ServeHTTP

func (h httpUploadsHandler) ServeHTTP(wr http.ResponseWriter, r *http.Request) {
	var (
		i, rn, tn, nn, nb int
		ok                bool
		buf               []byte
		err               error
		vid               int64
		key               int64
		cookie            int64
		size              int64
		str               string
		keys              []string
		cookies           []string
		sr                sizer
		fr                *os.File
		fi                os.FileInfo
		v                 *Volume
		n                 *needle.Needle
		ns                []needle.Needle
		uerr              errors.Error
		file              multipart.File
		fh                *multipart.FileHeader
		fhs               []*multipart.FileHeader
		res               = map[string]interface{}{"ret": errors.RetOK}
	)
	if r.Method != "POST" {
		http.Error(wr, "method not allowed", http.StatusMethodNotAllowed)
		return
	}
	defer HttpPostWriter(r, wr, time.Now(), res)
	// check total content-length
	if size, err = strconv.ParseInt(r.Header.Get("Content-Length"), 10, 64); err != nil {
		res["ret"] = errors.RetInternalErr
		return
	}
	if size > int64(h.c.NeedleMaxSize*h.c.BatchMaxNum) {
		res["ret"] = errors.RetNeedleTooLarge
		return
	}
	str = r.FormValue("vid")
	if vid, err = strconv.ParseInt(str, 10, 32); err != nil {
		log.Errorf("strconv.ParseInt(\"%s\") error(%v)", str, err)
		res["ret"] = errors.RetParamErr
		return
	}
	keys = r.MultipartForm.Value["keys"]
	cookies = r.MultipartForm.Value["cookies"]
	if len(keys) != len(cookies) {
		log.Errorf("param length not match, keys: %d, cookies: %d", len(keys), len(cookies))
		res["ret"] = errors.RetParamErr
		return
	}
	fhs = r.MultipartForm.File["file"]
	nn = len(fhs)
	if len(keys) != nn {
		log.Errorf("param length not match, keys: %d, cookies: %d, files: %d", len(keys), len(cookies), len(fhs))
		res["ret"] = errors.RetParamErr
		return
	}
	nb = int(size-1)/(h.c.NeedleMaxSize) + 1
	buf = h.s.Buffer(nb)
	ns = h.s.Needle(nn)
	tn = needle.HeaderSize
	for i, fh = range fhs {
		if key, err = strconv.ParseInt(keys[i], 10, 64); err != nil {
			log.Errorf("strconv.ParseInt(\"%s\") error(%v)", keys[i], err)
			err = errors.ErrParam
			break
		}
		if cookie, err = strconv.ParseInt(cookies[i], 10, 32); err != nil {
			log.Errorf("strconv.ParseInt(\"%s\") error(%v)", cookies[i], err)
			err = errors.ErrParam
			break
		}
		file, err = fh.Open()
		file.Close()
		if err != nil {
			log.Errorf("fh.Open() error(%v)", err)
			break
		}
		// check size
		if sr, ok = file.(sizer); ok {
			size = sr.Size()
		} else if fr, ok = file.(*os.File); ok {
			if fi, err = fr.Stat(); err != nil {
				break
			}
			size = fi.Size()
		}
		if size > int64(h.c.NeedleMaxSize) {
			err = errors.ErrNeedleTooLarge
			break
		}
		if rn, err = file.Read(buf[tn:]); err != nil {
			log.Errorf("file.Read() error(%v)", err)
			break
		}
		n = &ns[i]
		n.Init(key, int32(cookie), buf[tn:tn+rn])
		n.WriteHeader(buf[tn-needle.HeaderSize:])
//.........这里部分代码省略.........
开发者ID:xiaoma20082008,项目名称:bfs,代码行数:101,代码来源:http_api.go


注:本文中的github.com/Terry-Mao/bfs/store/needle.Needle.WriteHeader方法示例由纯净天空整理自Github/MSDocs等开源代码及文档管理平台,相关代码片段筛选自各路编程大神贡献的开源项目,源码版权归原作者所有,传播和使用请参考对应项目的License;未经允许,请勿转载。