profile

.gitignore

@@ -1,2 +1,4 @@
 region*.xml
 legendsbrowser
+*.pprof
+*.png

go.mod

@@ -5,5 +5,5 @@ go 1.18
 require (
 	github.com/gorilla/mux v1.8.0
 	github.com/iancoleman/strcase v0.2.0
-	github.com/sa-/slicefunk v0.1.2
+	github.com/pkg/profile v1.6.0
 )

go.sum

@@ -2,5 +2,5 @@ github.com/gorilla/mux v1.8.0 h1:i40aqfkR1h2SlN9hojwV5ZA91wcXFOvkdNIeFDP5koI=
 github.com/gorilla/mux v1.8.0/go.mod h1:DVbg23sWSpFRCP0SfiEN6jmj59UnW/n46BH5rLB71So=
 github.com/iancoleman/strcase v0.2.0 h1:05I4QRnGpI0m37iZQRuskXh+w77mr6Z41lwQzuHLwW0=
 github.com/iancoleman/strcase v0.2.0/go.mod h1:iwCmte+B7n89clKwxIoIXy/HfoL7AsD47ZCWhYzw7ho=
-github.com/sa-/slicefunk v0.1.2 h1:uTQiyKCTwc0RKNxXmG6NNlm3J1LF2hKmLgtf9kRAld4=
+github.com/pkg/profile v1.6.0 h1:hUDfIISABYI59DyeB3OTay/HxSRwTQ8rB/H83k6r5dM=
-github.com/sa-/slicefunk v0.1.2/go.mod h1:k0abNpV9EW8LIPl2+Hc9RiKsojKmsUhNNGFyMpjMTCI=
+github.com/pkg/profile v1.6.0/go.mod h1:qBsxPvzyUincmltOk6iyRVxHYg4adc0OFOv72ZdLa18=

main.go

@@ -5,16 +5,26 @@ import (
 	"legendsbrowser/model"
 	"legendsbrowser/server"
 	"net/http"
+	_ "net/http/pprof"
+	"runtime"
 
 	"github.com/gorilla/mux"
+	"github.com/pkg/profile"
 )
 
 var world model.World
 
 func main() {
+	defer profile.Start(profile.MemProfile).Stop()
+	go func() {
+		http.ListenAndServe(":8081", nil)
+	}()
+
 	fmt.Println("Hallo Welt!")
 
-	world.Load("region1-00152-01-01-legends.xml")
+	// world.Load("region1-00152-01-01-legends.xml")
+	world.Load("region2-00195-01-01-legends.xml")
+	runtime.GC()
 	world.Process()
 
 	model.ListOtherElements(&world.HistoricalEvents)

model/world.go

@@ -3,7 +3,7 @@ package model
 import (
 	"encoding/xml"
 	"fmt"
-	"io/ioutil"
+	"io"
 	"os"
 	"reflect"
 )
@@ -36,6 +36,10 @@ type World struct {
 	EntityMap                    map[int]*Entity
 }
 
+var cp437 = []byte("         \t\n  \r                   !\"#$%&'()*+,-./0123456789:;<=>?@ABCDEFGHIJKLMNOPQRSTUVWXYZ[\\]^_`abcdefghijklmnopqrstuvwxyz{|}~ CueaaaaceeeiiiAAEaAooouuyOU    faiounN                                                                                                ")
+
+// var cp437 = []byte("         \t\n  \r                   !\"#$%&'()*+,-./0123456789:;<=>?@ABCDEFGHIJKLMNOPQRSTUVWXYZ[\\]^_`abcdefghijklmnopqrstuvwxyz{|}~ ÇüéâäàåçêëèïîìÄÅÉæÆôöòûùÿÖÜ¢£¥₧ƒáíóúñÑ                                                                                                ")
+
 func (w *World) Load(file string) {
 	xmlFile, err := os.Open(file)
 	if err != nil {
@@ -45,9 +49,14 @@ func (w *World) Load(file string) {
 	fmt.Println("Successfully Opened users.xml")
 	defer xmlFile.Close()
 
-	byteValue, _ := ioutil.ReadAll(xmlFile)
+	byteValue, _ := io.ReadAll(xmlFile)
 	fmt.Println(len(byteValue))
 
+	copy(byteValue[30:35], []byte("UTF-8"))
+	for i := range byteValue {
+		byteValue[i] = cp437[byteValue[i]]
+	}
+
 	err = xml.Unmarshal(byteValue, w)
 	if err != nil {
 		fmt.Println(err)

sample.sh

@@ -0,0 +1,4 @@
+#!/bin/bash
+
+curl http://localhost:8081/debug/pprof/heap > heap.0.pprof
+go tool pprof heap.0.pprof