coredns/middleware/pprof/pprof.go
2016-04-29 22:04:22 +01:00

46 lines
787 B
Go

package pprof
import (
"log"
"net"
"net/http"
pp "net/http/pprof"
)
type Handler struct {
ln net.Listener
mux *http.ServeMux
}
func (h *Handler) Start() error {
if ln, err := net.Listen("tcp", addr); err != nil {
log.Printf("[ERROR] Failed to start pprof handler: %s", err)
return err
} else {
h.ln = ln
}
h.mux = http.NewServeMux()
h.mux.HandleFunc(path+"/", pp.Index)
h.mux.HandleFunc(path+"/cmdline", pp.Cmdline)
h.mux.HandleFunc(path+"/profile", pp.Profile)
h.mux.HandleFunc(path+"/symbol", pp.Symbol)
h.mux.HandleFunc(path+"/trace", pp.Trace)
go func() {
http.Serve(h.ln, h.mux)
}()
return nil
}
func (h *Handler) Shutdown() error {
if h.ln != nil {
return h.ln.Close()
}
return nil
}
const (
addr = "localhost:6053"
path = "/debug/pprof"
)