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http.go
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http.go
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// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// https://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
//
// Original source: github.com/micro/go-micro/v3/debug/profile/http/http.go
// Package http enables the http profiler
package http
import (
"context"
"net/http"
"net/http/pprof"
"sync"
"github.com/micro/micro/v3/service/debug/profile"
)
type httpProfile struct {
sync.Mutex
running bool
server *http.Server
}
var (
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"
}
func NewProfile(opts ...profile.Option) profile.Profile {
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,
},
}
}