80 lines
1.6 KiB
Go
80 lines
1.6 KiB
Go
package clashapi
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import (
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"bytes"
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"net"
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"net/http"
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"time"
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"github.com/sagernet/sing-box/experimental/clashapi/trafficontrol"
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"github.com/sagernet/sing/common/json"
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"github.com/sagernet/ws"
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"github.com/sagernet/ws/wsutil"
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"github.com/go-chi/chi/v5"
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"github.com/go-chi/render"
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)
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// API created by Clash.Meta
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func (s *Server) setupMetaAPI(r chi.Router) {
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r.Get("/memory", memory(s.trafficManager))
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r.Mount("/group", groupRouter(s))
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}
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type Memory struct {
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Inuse uint64 `json:"inuse"`
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OSLimit uint64 `json:"oslimit"` // maybe we need it in the future
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}
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func memory(trafficManager *trafficontrol.Manager) func(w http.ResponseWriter, r *http.Request) {
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return func(w http.ResponseWriter, r *http.Request) {
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var conn net.Conn
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if r.Header.Get("Upgrade") == "websocket" {
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var err error
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conn, _, _, err = ws.UpgradeHTTP(r, w)
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if err != nil {
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return
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}
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}
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if conn == nil {
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w.Header().Set("Content-Type", "application/json")
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render.Status(r, http.StatusOK)
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}
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tick := time.NewTicker(time.Second)
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defer tick.Stop()
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buf := &bytes.Buffer{}
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var err error
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first := true
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for range tick.C {
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buf.Reset()
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inuse := trafficManager.Snapshot().Memory
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// make chat.js begin with zero
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// this is shit var,but we need output 0 for first time
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if first {
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first = false
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inuse = 0
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}
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if err := json.NewEncoder(buf).Encode(Memory{
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Inuse: inuse,
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OSLimit: 0,
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}); err != nil {
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break
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}
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if conn == nil {
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_, err = w.Write(buf.Bytes())
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w.(http.Flusher).Flush()
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} else {
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err = wsutil.WriteServerText(conn, buf.Bytes())
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}
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if err != nil {
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break
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}
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}
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}
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}
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