coredns/plugin/pprof/pprof.go
Miek Gieben d8714e64e4 Remove the word middleware (#1067)
* Rename middleware to plugin

first pass; mostly used 'sed', few spots where I manually changed
text.

This still builds a coredns binary.

* fmt error

* Rename AddMiddleware to AddPlugin

* Readd AddMiddleware to remain backwards compat
2017-09-14 09:36:06 +01:00

49 lines
867 B
Go

// Package pprof implement a debug endpoint for getting profiles using the
// go pprof tooling.
package pprof
import (
"log"
"net"
"net/http"
pp "net/http/pprof"
)
type handler struct {
addr string
ln net.Listener
mux *http.ServeMux
}
func (h *handler) Startup() error {
ln, err := net.Listen("tcp", h.addr)
if err != nil {
log.Printf("[ERROR] Failed to start pprof handler: %s", err)
return err
}
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 (
path = "/debug/pprof"
)