seaweedfs/weed/server/filer_server_handlers.go
2020-11-15 16:59:28 -08:00

85 lines
3 KiB
Go

package weed_server
import (
"github.com/chrislusf/seaweedfs/weed/util"
"net/http"
"time"
"github.com/chrislusf/seaweedfs/weed/stats"
)
func (fs *FilerServer) filerHandler(w http.ResponseWriter, r *http.Request) {
w.Header().Set("Server", "SeaweedFS Filer "+util.VERSION)
if r.Header.Get("Origin") != "" {
w.Header().Set("Access-Control-Allow-Origin", "*")
w.Header().Set("Access-Control-Allow-Credentials", "true")
}
start := time.Now()
switch r.Method {
case "GET":
stats.FilerRequestCounter.WithLabelValues("get").Inc()
fs.GetOrHeadHandler(w, r, true)
stats.FilerRequestHistogram.WithLabelValues("get").Observe(time.Since(start).Seconds())
case "HEAD":
stats.FilerRequestCounter.WithLabelValues("head").Inc()
fs.GetOrHeadHandler(w, r, false)
stats.FilerRequestHistogram.WithLabelValues("head").Observe(time.Since(start).Seconds())
case "DELETE":
stats.FilerRequestCounter.WithLabelValues("delete").Inc()
if _, ok := r.URL.Query()["tagging"]; ok {
fs.DeleteTaggingHandler(w, r)
} else {
fs.DeleteHandler(w, r)
}
stats.FilerRequestHistogram.WithLabelValues("delete").Observe(time.Since(start).Seconds())
case "PUT":
stats.FilerRequestCounter.WithLabelValues("put").Inc()
if _, ok := r.URL.Query()["tagging"]; ok {
fs.PutTaggingHandler(w, r)
} else {
fs.PostHandler(w, r)
}
stats.FilerRequestHistogram.WithLabelValues("put").Observe(time.Since(start).Seconds())
case "POST":
stats.FilerRequestCounter.WithLabelValues("post").Inc()
fs.PostHandler(w, r)
stats.FilerRequestHistogram.WithLabelValues("post").Observe(time.Since(start).Seconds())
case "OPTIONS":
stats.FilerRequestCounter.WithLabelValues("options").Inc()
OptionsHandler(w, r, false)
stats.FilerRequestHistogram.WithLabelValues("head").Observe(time.Since(start).Seconds())
}
}
func (fs *FilerServer) readonlyFilerHandler(w http.ResponseWriter, r *http.Request) {
w.Header().Set("Server", "SeaweedFS Filer "+util.VERSION)
if r.Header.Get("Origin") != "" {
w.Header().Set("Access-Control-Allow-Origin", "*")
w.Header().Set("Access-Control-Allow-Credentials", "true")
}
start := time.Now()
switch r.Method {
case "GET":
stats.FilerRequestCounter.WithLabelValues("get").Inc()
fs.GetOrHeadHandler(w, r, true)
stats.FilerRequestHistogram.WithLabelValues("get").Observe(time.Since(start).Seconds())
case "HEAD":
stats.FilerRequestCounter.WithLabelValues("head").Inc()
fs.GetOrHeadHandler(w, r, false)
stats.FilerRequestHistogram.WithLabelValues("head").Observe(time.Since(start).Seconds())
case "OPTIONS":
stats.FilerRequestCounter.WithLabelValues("options").Inc()
OptionsHandler(w, r, true)
stats.FilerRequestHistogram.WithLabelValues("head").Observe(time.Since(start).Seconds())
}
}
func OptionsHandler(w http.ResponseWriter, r *http.Request, isReadOnly bool) {
if isReadOnly {
w.Header().Add("Access-Control-Allow-Methods", "GET, OPTIONS")
} else {
w.Header().Add("Access-Control-Allow-Methods", "PUT, POST, GET, DELETE, OPTIONS")
}
w.Header().Add("Access-Control-Allow-Headers", "*")
}