micro/profiler/http/http.go
Vasiliy Tolstov bbbcb22565 fieldalignment of all structs to save memory
Signed-off-by: Vasiliy Tolstov <v.tolstov@unistack.org>
2021-03-06 19:45:13 +03:00

81 lines
1.3 KiB
Go

// Package http enables the http profiler
package http
import (
"context"
"net/http"
"net/http/pprof"
"sync"
profile "github.com/unistack-org/micro/v3/profiler"
)
type httpProfile struct {
server *http.Server
sync.Mutex
running bool
}
var (
// DefaultAddress for http profiler
DefaultAddress = ":6060"
)
// Start the profiler
func (h *httpProfile) Start() error {
h.Lock()
defer h.Unlock()
if h.running {
return nil
}
go func() {
if err := h.server.ListenAndServe(); err != nil {
h.Lock()
h.running = false
h.Unlock()
}
}()
h.running = true
return nil
}
// Stop the profiler
func (h *httpProfile) Stop() error {
h.Lock()
defer h.Unlock()
if !h.running {
return nil
}
h.running = false
return h.server.Shutdown(context.TODO())
}
func (h *httpProfile) String() string {
return "http"
}
// NewProfile returns new http profiler
func NewProfile(opts ...profile.Option) profile.Profiler {
mux := http.NewServeMux()
mux.HandleFunc("/debug/pprof/", pprof.Index)
mux.HandleFunc("/debug/pprof/cmdline", pprof.Cmdline)
mux.HandleFunc("/debug/pprof/profile", pprof.Profile)
mux.HandleFunc("/debug/pprof/symbol", pprof.Symbol)
mux.HandleFunc("/debug/pprof/trace", pprof.Trace)
return &httpProfile{
server: &http.Server{
Addr: DefaultAddress,
Handler: mux,
},
}
}