// Copyright IBM Corp. 2020, 2026
// SPDX-License-Identifier: BUSL-1.1

//go:build pprof
// +build pprof

package base

import (
	"context"
	"errors"
	"net/http"
	"net/http/pprof"

	"github.com/hashicorp/boundary/internal/event"
)

func StartPprof(ctx context.Context) {
	const op = "base.StartPprof"
	go func() {
		const addr = "localhost:6060"
		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)
		mux.Handle("/debug/pprof/block", pprof.Handler("block"))
		mux.Handle("/debug/pprof/goroutine", pprof.Handler("goroutine"))
		mux.Handle("/debug/pprof/heap", pprof.Handler("heap"))
		mux.Handle("/debug/pprof/threadcreate", pprof.Handler("threadcreate"))
		mux.Handle("/debug/pprof/mutex", pprof.Handler("mutex"))
		mux.Handle("/debug/pprof/allocs", pprof.Handler("allocs"))
		event.WriteSysEvent(ctx, op, "starting pprof HTTP server", "addr", addr)
		if err := http.ListenAndServe(addr, mux); err != nil && !errors.Is(err, http.ErrServerClosed) {
			event.WriteSysEvent(ctx, op, "failed to serve pprof HTTP server", "error", err.Error())
		}
	}()
}