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all switching to "weed command [args]" usage mode 

git-svn-id: https://weed-fs.googlecode.com/svn/trunk@66 282b0af5-e82d-9cf1-ede4-77906d7719d0
pull/2/head
chris.lu@gmail.com 13 years ago
parent
85da309eed
commit
aab5390cb5
3 changed files with 0 additions and 332 deletions
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  1. 91
      weed-fs/src/cmd/weedmaster/weedmaster.go
  2. 59
      weed-fs/src/cmd/weedvolume/fix_volume_index/fix_volume_index.go
  3. 182
      weed-fs/src/cmd/weedvolume/weedvolume.go

91
weed-fs/src/cmd/weedmaster/weedmaster.go
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@ -1,91 +0,0 @@
package main
import (
"pkg/directory"
"encoding/json"
"flag"
"fmt"
"log"
"net/http"
"pkg/storage"
"strconv"
"strings"
)
var (
port = flag.Int("port", 9333, "http listen port")
metaFolder = flag.String("mdir", "/tmp", "data directory to store mappings")
capacity = flag.Int("capacity", 100, "maximum number of volumes to hold")
mapper *directory.Mapper
IsDebug = flag.Bool("debug", false, "verbose debug information")
volumeSizeLimitMB = flag.Uint("volumeSizeLimitMB", 32*1024, "Default Volume Size in MegaBytes")
)
func dirLookupHandler(w http.ResponseWriter, r *http.Request) {
vid := r.FormValue("volumeId")
commaSep := strings.Index(vid, ",")
if commaSep > 0 {
vid = vid[0:commaSep]
}
volumeId, _ := strconv.ParseUint(vid, 10, 64)
machine, e := mapper.Get(uint32(volumeId))
if e == nil {
writeJson(w, r, machine.Server)
} else {
log.Println("Invalid volume id", volumeId)
writeJson(w, r, map[string]string{"error": "volume id " + strconv.FormatUint(volumeId, 10) + " not found"})
}
}
func dirAssignHandler(w http.ResponseWriter, r *http.Request) {
c:=r.FormValue("count")
fid, count, machine, err := mapper.PickForWrite(c)
if err == nil {
writeJson(w, r, map[string]string{"fid": fid, "url": machine.Url, "publicUrl":machine.PublicUrl, "count":strconv.Itoa(count)})
} else {
log.Println(err)
writeJson(w, r, map[string]string{"error": err.Error()})
}
}
func dirJoinHandler(w http.ResponseWriter, r *http.Request) {
s := r.RemoteAddr[0:strings.Index(r.RemoteAddr, ":")+1] + r.FormValue("port")
publicUrl := r.FormValue("publicUrl")
volumes := new([]storage.VolumeInfo)
json.Unmarshal([]byte(r.FormValue("volumes")), volumes)
if *IsDebug {
log.Println(s, "volumes", r.FormValue("volumes"))
}
mapper.Add(*directory.NewMachine(s, publicUrl, *volumes))
}
func dirStatusHandler(w http.ResponseWriter, r *http.Request) {
writeJson(w, r, mapper)
}
func writeJson(w http.ResponseWriter, r *http.Request, obj interface{}) {
w.Header().Set("Content-Type", "application/javascript")
bytes, _ := json.Marshal(obj)
callback := r.FormValue("callback")
if callback == "" {
w.Write(bytes)
} else {
w.Write([]uint8(callback))
w.Write([]uint8("("))
fmt.Fprint(w, string(bytes))
w.Write([]uint8(")"))
}
}
func main() {
flag.Parse()
log.Println("Volume Size Limit is", *volumeSizeLimitMB, "MB")
mapper = directory.NewMapper(*metaFolder, "directory", uint64(*volumeSizeLimitMB)*1024*1024)
http.HandleFunc("/dir/assign", dirAssignHandler)
http.HandleFunc("/dir/lookup", dirLookupHandler)
http.HandleFunc("/dir/join", dirJoinHandler)
http.HandleFunc("/dir/status", dirStatusHandler)
log.Println("Start directory service at http://127.0.0.1:" + strconv.Itoa(*port))
e := http.ListenAndServe(":"+strconv.Itoa(*port), nil)
if e != nil {
log.Fatal("Fail to start:", e)
}
}

59
weed-fs/src/cmd/weedvolume/fix_volume_index/fix_volume_index.go
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@ -1,59 +0,0 @@
package main
import (
"pkg/storage"
"flag"
"log"
"os"
"path"
"strconv"
)
var (
dir = flag.String("dir", "/tmp", "data directory to store files")
volumeId = flag.Int("volumeId", -1, "a non-negative volume id. The volume should already exist in the dir. The volume index file should not exist.")
IsDebug = flag.Bool("debug", false, "enable debug mode")
store *storage.Store
)
func main() {
flag.Parse()
if *volumeId == -1 {
flag.Usage()
return
}
fileName := strconv.Itoa(*volumeId)
dataFile, e := os.OpenFile(path.Join(*dir, fileName+".dat"), os.O_RDONLY, 0644)
if e != nil {
log.Fatalf("Read Volume [ERROR] %s\n", e)
}
defer dataFile.Close()
indexFile, ie := os.OpenFile(path.Join(*dir, fileName+".idx"), os.O_WRONLY|os.O_CREATE, 0644)
if ie != nil {
log.Fatalf("Create Volume Index [ERROR] %s\n", ie)
}
defer indexFile.Close()
//skip the volume super block
dataFile.Seek(storage.SuperBlockSize, 0)
n, length := storage.ReadNeedle(dataFile)
nm := storage.NewNeedleMap(indexFile)
offset := uint32(storage.SuperBlockSize)
for n != nil {
if *IsDebug {
log.Println("key", n.Key, "volume offset", offset, "data_size", n.Size, "length", length)
}
if n.Size > 0 {
count, pe := nm.Put(n.Key, offset/8, n.Size)
if *IsDebug {
log.Println("saved", count, "with error", pe)
}
}
offset += length
n, length = storage.ReadNeedle(dataFile)
}
}

182
weed-fs/src/cmd/weedvolume/weedvolume.go
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@ -1,182 +0,0 @@
package main
import (
"encoding/json"
"flag"
"fmt"
"log"
"math/rand"
"mime"
"net/http"
"pkg/storage"
"strconv"
"strings"
"time"
)
var (
port = flag.Int("port", 8080, "http listen port")
chunkFolder = flag.String("dir", "/tmp", "data directory to store files")
volumes = flag.String("volumes", "0,1-3,4", "comma-separated list of volume ids or range of ids")
publicUrl = flag.String("publicUrl", "localhost:8080", "public url to serve data read")
metaServer = flag.String("mserver", "localhost:9333", "master directory server to store mappings")
IsDebug = flag.Bool("debug", false, "enable debug mode")
pulse = flag.Int("pulseSeconds", 5, "number of seconds between heartbeats")
store *storage.Store
)
func statusHandler(w http.ResponseWriter, r *http.Request) {
writeJson(w, r, store.Status())
}
func addVolumeHandler(w http.ResponseWriter, r *http.Request) {
store.AddVolume(r.FormValue("volume"))
writeJson(w, r, store.Status())
}
func storeHandler(w http.ResponseWriter, r *http.Request) {
switch r.Method {
case "GET":
GetHandler(w, r)
case "DELETE":
DeleteHandler(w, r)
case "POST":
PostHandler(w, r)
}
}
func GetHandler(w http.ResponseWriter, r *http.Request) {
n := new(storage.Needle)
vid, fid, ext := parseURLPath(r.URL.Path)
volumeId, _ := strconv.ParseUint(vid, 10, 64)
n.ParsePath(fid)
if *IsDebug {
log.Println("volume", volumeId, "reading", n)
}
cookie := n.Cookie
count, e := store.Read(volumeId, n)
if *IsDebug {
log.Println("read bytes", count, "error", e)
}
if n.Cookie != cookie {
log.Println("request with unmaching cookie from ", r.RemoteAddr, "agent", r.UserAgent())
return
}
if ext != "" {
mtype := mime.TypeByExtension(ext)
w.Header().Set("Content-Type", mtype)
if storage.IsCompressable(ext, mtype){
if strings.Contains(r.Header.Get("Accept-Encoding"), "gzip"){
w.Header().Set("Content-Encoding", "gzip")
}else{
n.Data = storage.UnGzipData(n.Data)
}
}
}
w.Write(n.Data)
}
func PostHandler(w http.ResponseWriter, r *http.Request) {
vid, _, _ := parseURLPath(r.URL.Path)
volumeId, e := strconv.ParseUint(vid, 10, 64)
if e != nil {
writeJson(w, r, e)
} else {
needle, ne := storage.NewNeedle(r)
if ne != nil {
writeJson(w, r, ne)
} else {
ret := store.Write(volumeId, needle)
m := make(map[string]uint32)
m["size"] = ret
writeJson(w, r, m)
}
}
}
func DeleteHandler(w http.ResponseWriter, r *http.Request) {
n := new(storage.Needle)
vid, fid, _ := parseURLPath(r.URL.Path)
volumeId, _ := strconv.ParseUint(vid, 10, 64)
n.ParsePath(fid)
if *IsDebug {
log.Println("deleting", n)
}
cookie := n.Cookie
count, ok := store.Read(volumeId, n)
if ok != nil {
m := make(map[string]uint32)
m["size"] = 0
writeJson(w, r, m)
return
}
if n.Cookie != cookie {
log.Println("delete with unmaching cookie from ", r.RemoteAddr, "agent", r.UserAgent())
return
}
n.Size = 0
store.Delete(volumeId, n)
m := make(map[string]uint32)
m["size"] = uint32(count)
writeJson(w, r, m)
}
func writeJson(w http.ResponseWriter, r *http.Request, obj interface{}) {
w.Header().Set("Content-Type", "application/javascript")
bytes, _ := json.Marshal(obj)
callback := r.FormValue("callback")
if callback == "" {
w.Write(bytes)
} else {
w.Write([]uint8(callback))
w.Write([]uint8("("))
fmt.Fprint(w, string(bytes))
w.Write([]uint8(")"))
}
//log.Println("JSON Response", string(bytes))
}
func parseURLPath(path string) (vid, fid, ext string) {
sepIndex := strings.LastIndex(path, "/")
commaIndex := strings.LastIndex(path[sepIndex:], ",")
if commaIndex <= 0 {
if "favicon.ico" != path[sepIndex+1:] {
log.Println("unknown file id", path[sepIndex+1:])
}
return
}
dotIndex := strings.LastIndex(path[sepIndex:], ".")
vid = path[sepIndex+1 : commaIndex]
fid = path[commaIndex+1:]
ext = ""
if dotIndex > 0 {
fid = path[commaIndex+1 : dotIndex]
ext = path[dotIndex:]
}
return
}
func main() {
flag.Parse()
//TODO: now default to 1G, this value should come from server?
store = storage.NewStore(*port, *publicUrl, *chunkFolder, *volumes)
defer store.Close()
http.HandleFunc("/", storeHandler)
http.HandleFunc("/status", statusHandler)
http.HandleFunc("/add_volume", addVolumeHandler)
go func() {
for {
store.Join(*metaServer)
time.Sleep(time.Duration(float32(*pulse*1e3)*(1+rand.Float32())) * time.Millisecond)
}
}()
log.Println("store joined at", *metaServer)
log.Println("Start storage service at http://127.0.0.1:"+strconv.Itoa(*port), "public url", *publicUrl)
e := http.ListenAndServe(":"+strconv.Itoa(*port), nil)
if e != nil {
log.Fatalf("Fail to start:", e)
}
}
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