标签：
file system ssdb
go http listen
文件存储到 ssdb
gfs
|
twemproxy
|
ssdb(master) ssdb(slave)
ssdb 连接协议为 redis 协议
生成MD5 KEY
handle.go 代码
package main
import (
"fmt"
"io/ioutil"
"net/http"
"path"
)
func (ctx *Context) server(w http.ResponseWriter, r *http.Request) {
//params := r.URL.Query()
//key := params.Get("k")
//callback := params.Get("cb")
path := r.URL.Path
if path == "/" {
home(w, r)
} else {
md5key := path[1:len(path)]
fmt.Println("md5key:" + md5key)
ctx.store.Get("key")
val, err := ctx.store.Get(md5key)
if err != nil {
fmt.Fprint(w, "the file not exits!")
}
fmt.Fprint(w, val)
ctx.download(w, r, md5key)
}
}
func home(w http.ResponseWriter, r *http.Request) {
if r.Method != "GET" {
http.Error(w, "Method Not Allowed", 405)
return
}
html := `<!DOCTYPE html>
<html>
<head>
<meta charset="UTF-8"/>
</head>
<body>
<form action="/upload" method="POST" enctype="multipart/form-data">
<label for="field1">file:</label>
<input name="file" type="file" />
<input type="submit"></input>
</form>
</body>
</html>`
fmt.Fprint(w, html)
}
func (ctx *Context) upload(w http.ResponseWriter, r *http.Request) {
// if err := r.ParseMultipartForm(CACHE_MAX_SIZE); err != nil {
// //ctx.context.Logger.Error(err.Error())
// //ctx.doError(err, http.StatusForbidden)
// return
// }
file, handle, err := r.FormFile("file")
if err != nil {
//ctx.doError(err, 500)
fmt.Println(err)
return
}
defer file.Close()
//fmt.Println("upload file:%s", handle.Filename)
//fmt.Println("ext" + path.Ext(handle.Filename))
ext := path.Ext(handle.Filename)
data, err := ioutil.ReadAll(file)
if err != nil {
//ctx.doError(err, 500)
fmt.Println(err)
return
}
md5key := fmt.Sprintf("%s%s", gen_md5_str(data), ext)
ctx.store.Set(md5key, data)
if err != nil {
//fmt.Println("upload file fail:" md5key)
fmt.Println(err)
return
}
w.Write([]byte(fmt.Sprintf("%s", md5key)))
}
func (ctx *Context) download(w http.ResponseWriter, r *http.Request, key string) {
val, err := ctx.store.Get(key)
if err != nil {
fmt.Fprint(w, "the file not exits!")
}
fmt.Fprint(w, val)
}
代码托管到 github
https://github.com/dtxlink/gfs
标签：
原文地址：http://www.cnblogs.com/linsongbin/p/4683410.html
