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authorChris Lu <chris.lu@gmail.com>2016-06-02 18:09:14 -0700
committerChris Lu <chris.lu@gmail.com>2016-06-02 18:09:14 -0700
commit5ce6bbf07672bf3f3c8d26cd2ce0e3e853a47c44 (patch)
tree2e4dd2ad0a618ab2b7cdebcdb9c503526c31e2e8 /weed/server/common.go
parentcaeffa3998adc060fa66c4cd77af971ff2d26c57 (diff)
downloadseaweedfs-5ce6bbf07672bf3f3c8d26cd2ce0e3e853a47c44.tar.xz
seaweedfs-5ce6bbf07672bf3f3c8d26cd2ce0e3e853a47c44.zip
directory structure change to work with glide
glide has its own requirements. My previous workaround caused me some code checkin errors. Need to fix this.
Diffstat (limited to 'weed/server/common.go')
-rw-r--r--weed/server/common.go179
1 files changed, 179 insertions, 0 deletions
diff --git a/weed/server/common.go b/weed/server/common.go
new file mode 100644
index 000000000..312bcea14
--- /dev/null
+++ b/weed/server/common.go
@@ -0,0 +1,179 @@
+package weed_server
+
+import (
+ "bytes"
+ "encoding/json"
+ "errors"
+ "fmt"
+ "net/http"
+ "path/filepath"
+ "strconv"
+ "strings"
+ "time"
+
+ "github.com/chrislusf/seaweedfs/weed/glog"
+ "github.com/chrislusf/seaweedfs/weed/operation"
+ "github.com/chrislusf/seaweedfs/weed/security"
+ "github.com/chrislusf/seaweedfs/weed/stats"
+ "github.com/chrislusf/seaweedfs/weed/storage"
+ "github.com/chrislusf/seaweedfs/weed/util"
+)
+
+var serverStats *stats.ServerStats
+var startTime = time.Now()
+
+func init() {
+ serverStats = stats.NewServerStats()
+ go serverStats.Start()
+
+}
+
+func writeJson(w http.ResponseWriter, r *http.Request, httpStatus int, obj interface{}) (err error) {
+ var bytes []byte
+ if r.FormValue("pretty") != "" {
+ bytes, err = json.MarshalIndent(obj, "", " ")
+ } else {
+ bytes, err = json.Marshal(obj)
+ }
+ if err != nil {
+ return
+ }
+ callback := r.FormValue("callback")
+ if callback == "" {
+ w.Header().Set("Content-Type", "application/json")
+ w.WriteHeader(httpStatus)
+ _, err = w.Write(bytes)
+ } else {
+ w.Header().Set("Content-Type", "application/javascript")
+ w.WriteHeader(httpStatus)
+ if _, err = w.Write([]uint8(callback)); err != nil {
+ return
+ }
+ if _, err = w.Write([]uint8("(")); err != nil {
+ return
+ }
+ fmt.Fprint(w, string(bytes))
+ if _, err = w.Write([]uint8(")")); err != nil {
+ return
+ }
+ }
+
+ return
+}
+
+// wrapper for writeJson - just logs errors
+func writeJsonQuiet(w http.ResponseWriter, r *http.Request, httpStatus int, obj interface{}) {
+ if err := writeJson(w, r, httpStatus, obj); err != nil {
+ glog.V(0).Infof("error writing JSON %s: %v", obj, err)
+ }
+}
+func writeJsonError(w http.ResponseWriter, r *http.Request, httpStatus int, err error) {
+ m := make(map[string]interface{})
+ m["error"] = err.Error()
+ writeJsonQuiet(w, r, httpStatus, m)
+}
+
+func debug(params ...interface{}) {
+ glog.V(4).Infoln(params)
+}
+
+func submitForClientHandler(w http.ResponseWriter, r *http.Request, masterUrl string) {
+ jwt := security.GetJwt(r)
+ m := make(map[string]interface{})
+ if r.Method != "POST" {
+ writeJsonError(w, r, http.StatusMethodNotAllowed, errors.New("Only submit via POST!"))
+ return
+ }
+
+ debug("parsing upload file...")
+ fname, data, mimeType, isGzipped, lastModified, _, _, pe := storage.ParseUpload(r)
+ if pe != nil {
+ writeJsonError(w, r, http.StatusBadRequest, pe)
+ return
+ }
+
+ debug("assigning file id for", fname)
+ r.ParseForm()
+ assignResult, ae := operation.Assign(masterUrl, 1, r.FormValue("replication"), r.FormValue("collection"), r.FormValue("ttl"))
+ if ae != nil {
+ writeJsonError(w, r, http.StatusInternalServerError, ae)
+ return
+ }
+
+ url := "http://" + assignResult.Url + "/" + assignResult.Fid
+ if lastModified != 0 {
+ url = url + "?ts=" + strconv.FormatUint(lastModified, 10)
+ }
+
+ debug("upload file to store", url)
+ uploadResult, err := operation.Upload(url, fname, bytes.NewReader(data), isGzipped, mimeType, jwt)
+ if err != nil {
+ writeJsonError(w, r, http.StatusInternalServerError, err)
+ return
+ }
+
+ m["fileName"] = fname
+ m["fid"] = assignResult.Fid
+ m["fileUrl"] = assignResult.PublicUrl + "/" + assignResult.Fid
+ m["size"] = uploadResult.Size
+ writeJsonQuiet(w, r, http.StatusCreated, m)
+ return
+}
+
+func deleteForClientHandler(w http.ResponseWriter, r *http.Request, masterUrl string) {
+ r.ParseForm()
+ fids := r.Form["fid"]
+ ret, err := operation.DeleteFiles(masterUrl, fids)
+ if err != nil {
+ writeJsonError(w, r, http.StatusInternalServerError, err)
+ return
+ }
+ writeJsonQuiet(w, r, http.StatusAccepted, ret)
+}
+
+func parseURLPath(path string) (vid, fid, filename, ext string, isVolumeIdOnly bool) {
+ switch strings.Count(path, "/") {
+ case 3:
+ parts := strings.Split(path, "/")
+ vid, fid, filename = parts[1], parts[2], parts[3]
+ ext = filepath.Ext(filename)
+ case 2:
+ parts := strings.Split(path, "/")
+ vid, fid = parts[1], parts[2]
+ dotIndex := strings.LastIndex(fid, ".")
+ if dotIndex > 0 {
+ ext = fid[dotIndex:]
+ fid = fid[0:dotIndex]
+ }
+ default:
+ sepIndex := strings.LastIndex(path, "/")
+ commaIndex := strings.LastIndex(path[sepIndex:], ",")
+ if commaIndex <= 0 {
+ vid, isVolumeIdOnly = path[sepIndex+1:], true
+ 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 statsCounterHandler(w http.ResponseWriter, r *http.Request) {
+ m := make(map[string]interface{})
+ m["Version"] = util.VERSION
+ m["Counters"] = serverStats
+ writeJsonQuiet(w, r, http.StatusOK, m)
+}
+
+func statsMemoryHandler(w http.ResponseWriter, r *http.Request) {
+ m := make(map[string]interface{})
+ m["Version"] = util.VERSION
+ m["Memory"] = stats.MemStat()
+ writeJsonQuiet(w, r, http.StatusOK, m)
+}