Files
monibuca/plugin/debug/index.go
2024-11-12 10:19:55 +08:00

117 lines
2.9 KiB
Go

package plugin_debug
import (
myproc "github.com/cloudwego/goref/pkg/proc"
"github.com/go-delve/delve/pkg/config"
"github.com/go-delve/delve/service/debugger"
"io"
"m7s.live/v5"
"net/http"
"net/http/pprof"
"os"
runtimePPROF "runtime/pprof"
"strings"
"time"
)
var _ = m7s.InstallPlugin[DebugPlugin]()
var conf, _ = config.LoadConfig()
type DebugPlugin struct {
m7s.Plugin
ProfileDuration time.Duration `default:"10s" desc:"profile持续时间"`
Profile string `desc:"采集profile存储文件"`
ChartPeriod time.Duration `default:"1s" desc:"图表更新周期"`
Grfout string `default:"grf.out" desc:"grf输出文件"`
}
type WriteToFile struct {
header http.Header
io.Writer
}
func (w *WriteToFile) Header() http.Header {
// return w.w.Header()
return w.header
}
// func (w *WriteToFile) Write(p []byte) (int, error) {
// // w.w.Write(p)
// return w.Writer.Write(p)
// }
func (w *WriteToFile) WriteHeader(statusCode int) {
// w.w.WriteHeader(statusCode)
}
func (p *DebugPlugin) OnInit() error {
if p.Profile != "" {
go func() {
file, err := os.Create(p.Profile)
if err != nil {
return
}
defer file.Close()
p.Info("cpu profile start")
err = runtimePPROF.StartCPUProfile(file)
time.Sleep(p.ProfileDuration)
runtimePPROF.StopCPUProfile()
p.Info("cpu profile done")
}()
}
return nil
}
func (p *DebugPlugin) Pprof_Trace(w http.ResponseWriter, r *http.Request) {
r.URL.Path = "/debug" + r.URL.Path
pprof.Trace(w, r)
}
func (p *DebugPlugin) Pprof_profile(w http.ResponseWriter, r *http.Request) {
r.URL.Path = "/debug" + r.URL.Path
pprof.Profile(w, r)
}
func (p *DebugPlugin) ServeHTTP(w http.ResponseWriter, r *http.Request) {
if r.URL.Path == "/pprof" {
http.Redirect(w, r, "/debug/pprof/", http.StatusFound)
return
}
r.URL.Path = "/debug" + r.URL.Path
pprof.Index(w, r)
}
func (p *DebugPlugin) Charts_(w http.ResponseWriter, r *http.Request) {
r.URL.Path = "/static" + strings.TrimPrefix(r.URL.Path, "/charts")
staticFSHandler.ServeHTTP(w, r)
}
func (p *DebugPlugin) Charts_data(w http.ResponseWriter, r *http.Request) {
dataHandler(w, r)
}
func (p *DebugPlugin) Charts_datafeed(w http.ResponseWriter, r *http.Request) {
s.dataFeedHandler(w, r)
}
func (p *DebugPlugin) Grf(w http.ResponseWriter, r *http.Request) {
dConf := debugger.Config{
AttachPid: os.Getpid(),
Backend: "default",
CoreFile: "",
DebugInfoDirectories: conf.DebugInfoDirectories,
AttachWaitFor: "",
AttachWaitForInterval: 1,
AttachWaitForDuration: 0,
}
dbg, err := debugger.New(&dConf, nil)
defer dbg.Detach(false)
if err != nil {
http.Error(w, err.Error(), http.StatusInternalServerError)
return
}
if err = myproc.ObjectReference(dbg.Target(), p.Grfout); err != nil {
http.Error(w, err.Error(), http.StatusInternalServerError)
}
w.Write([]byte("ok"))
}