From 6dd7fe85809c697615cf4c68f0e610c86f2ce2d2 Mon Sep 17 00:00:00 2001
From: Sven Schmalle <sven.schmalle@ta-logistic.de>
Date: Thu, 27 Feb 2020 21:09:41 +0100
Subject: [PATCH] Service-Funktion (z.B. als Windows Service) eingebaut

---
 README.md | 21 +++++++++++++++++--
 main.go   | 63 ++++++++++++++++++++++++++++++++++++++++++++++++++++---
 2 files changed, 79 insertions(+), 5 deletions(-)

diff --git a/README.md b/README.md
index cc1be64..ca6de10 100644
--- a/README.md
+++ b/README.md
@@ -30,8 +30,25 @@ Zum kompilieren folgende Go-Abhängigkeiten installieren:
  - `go get github.com/mandolyte/mdtopdf`
  - `go get github.com/blevesearch/bleve`
  - `go get github.com/shuLhan/go-bindata`
+ - `go get github.com/kardianos/service`
  
-
 Die Build-Scripte liegen im Unterordner `build`  
 
-Download der Binaries unter: [https://nc.masilux.de/index.php/s/dGRdPsa6XPPiyQk](https://nc.masilux.de/index.php/s/dGRdPsa6XPPiyQk)
\ No newline at end of file
+Download der Binaries unter: [https://nc.masilux.de/index.php/s/dGRdPsa6XPPiyQk](https://nc.masilux.de/index.php/s/dGRdPsa6XPPiyQk)
+
+
+----
+#### Installation als Dienst unter Windows:
+```
+sc create go-wiki-srv binpath="P:\Go\gowiki\gowiki_amd64.exe" start=delayed-auto DisplayName="GoWiki"
+sc start go-wiki-srv
+sc query go-wiki-srv
+```
+
+Deinstallation:
+```
+sc stop go-wiki-srv
+sc delete go-wiki-srv
+```
+
+----
diff --git a/main.go b/main.go
index b5c6899..d722786 100644
--- a/main.go
+++ b/main.go
@@ -18,12 +18,64 @@ import (
 	"github.com/blevesearch/bleve"
 	"github.com/blevesearch/bleve/search/highlight/highlighter/html"
 	"github.com/gorilla/mux"
+	"github.com/kardianos/service"
 	"github.com/mandolyte/mdtopdf"
 	"gopkg.in/src-d/go-git.v4"
 	"gopkg.in/src-d/go-git.v4/plumbing/object"
 )
 
-var config = readConfig("")
+//-------------------------------------------------------------------------------------------------
+// Service Configuration
+var logger service.Logger
+
+type program struct{}
+
+func (p *program) Start(s service.Service) error {
+	// Start should not block. Do the actual work async.
+	go p.run()
+	return nil
+}
+func (p *program) run() {
+	wikimain()
+}
+func (p *program) Stop(s service.Service) error {
+	// Stop should not block. Return with a few seconds.
+	return nil
+}
+
+func main() {
+	svcConfig := &service.Config{
+		Name:        "GoWiki",
+		DisplayName: "GoWiki",
+		Description: "GoWiki Service",
+	}
+
+	prg := &program{}
+	s, err := service.New(prg, svcConfig)
+	if err != nil {
+		log.Fatal(err)
+	}
+	if len(os.Args) > 1 {
+		err = service.Control(s, os.Args[1])
+		if err != nil {
+			log.Fatal(err)
+		}
+		return
+	}
+
+	logger, err = s.Logger(nil)
+	if err != nil {
+		log.Fatal(err)
+	}
+	err = s.Run()
+	if err != nil {
+		logger.Error(err)
+	}
+}
+
+//-------------------------------------------------------------------------------------------------
+
+var config *Configuration
 
 type Configuration struct {
 	Host        string
@@ -35,7 +87,12 @@ type Configuration struct {
 }
 
 // our main function
-func main() {
+func wikimain() {
+	// Startverzeichnis auslesen und als Arbeitsverzeichnis setzen
+	dir, _ := filepath.Abs(filepath.Dir(os.Args[0]))
+	os.Chdir(dir)
+
+	config = readConfig(path.Join(dir, "config.json"))
 
 	// Ausgeben der Config-Optionen
 	fmt.Println("Host: " + config.Host)
@@ -423,7 +480,7 @@ func readConfig(filename string) *Configuration {
 	// initialize conf with default values.
 	conf := &Configuration{Host: "http://127.0.0.1", Port: "8000", DataPath: "./data", DataPathFTS: "", WebUser: "", WebPasswd: ""}
 
-	b, err := ioutil.ReadFile("./config.json")
+	b, err := ioutil.ReadFile(filename)
 	if err != nil {
 		return conf
 	}