update readme

.vscode/settings.json

@@ -0,0 +1,3 @@
+{
+  "go.buildFlags": ["-tags=linux"],
+}

Makefile

@@ -0,0 +1,27 @@
+REPO_NAME=go-loader-test
+REPO_LINK=https://git.aliberksandikci.com.tr/asandikci/${REPO_NAME}
+
+DATA_DIR=/etc/go-loader-test/
+LIB_DIR=/usr/share/go-loader-test/
+PLUGIN_DIR=${LIB_DIR}/plugins/
+TEMP_DIR=$(mktemp -d)
+MAIN_DIR=${TEMP_DIR}/${REPO_NAME}/
+
+
+install:
+	sudo go build -o ${DESTDIR}/usr/bin/${REPO_NAME} ./cmd/go-loader-test/
+	@sudo mkdir -p "${DESTDIR}/${LIB_DIR}"
+	@sudo mkdir -p "${DESTDIR}/${PLUGIN_DIR}"
+
+	sudo go build -buildmode=plugin -o ${DESTDIR}/${PLUGIN_DIR}/tmptest.so ./plugins/tmptest
+	@sudo mkdir -p "${DESTDIR}/${DATA_DIR}"
+
+windows_install:
+	sudo env GOOS=windows GOARCH=amd64 go build -o ${DESTDIR}/usr/bin/${REPO_NAME} ./cmd/go-loader-test/
+	@sudo mkdir -p "${DESTDIR}/${LIB_DIR}"
+	@sudo mkdir -p "${DESTDIR}/${PLUGIN_DIR}"
+
+	sudo GOOS=windows GOARCH=amd64 go build -buildmode=plugin -o ${DESTDIR}/${PLUGIN_DIR}/tmptest.so ./plugins/tmptest
+	@sudo mkdir -p "${DESTDIR}/${DATA_DIR}"
+uninstall:
+	@sudo rm -rf ${DESTDIR}/usr/bin/${REPO_NAME}

README.md

@@ -1,8 +1,9 @@
-- test for plugin and goloader logics
-- contains some parts from https://git.aliberksandikci.com.tr/Liderahenk/ahenk-go
+This branch uses original go plugin implementation, see https://pkg.go.dev/plugin and https://git.aliberksandikci.com.tr/Liderahenk/ahenk-docs/src/branch/main/dev/resources.md#plugin-logic for more information
 
-- official plugin logic: https://pkg.go.dev/plugin - [branch](https://git.aliberksandikci.com.tr/asandikci/go-loader-test/src/branch/original-plugin)
-- goloader plugin logic: https://github.com/eh-steve/goloader - [branch](https://git.aliberksandikci.com.tr/asandikci/go-loader-test/src/branch/eh-steve/goloader)
-- goloader plugin logic + [crosscompile](git.aliberksandikci.com.tr/asandikci/go-crosscompile) - [branch](https://git.aliberksandikci.com.tr/asandikci/go-loader-test/src/branch/eh-steve/goloader+crosscompile) 
-
-- see [branches](https://git.aliberksandikci.com.tr/asandikci/go-loader-test/branches) for more
+---
+# Pros
+- Fast, Lightweight
+- Official
+# Cons
+- Can't be unload
+- Can't be use with windows

cmd/go-loader-test/main.go

@@ -0,0 +1,22 @@
+package main
+
+import (
+	"log"
+	"os"
+)
+
+const ExecutablePath = "/usr/bin/go-loader-test"
+const DataDir = "/etc/go-loader-test/"
+const LogFile = DataDir + "go-loader-test"
+const LibDir = "/usr/share/go-loader-test/"
+const PluginDir = LibDir + "/plugins/"
+
+// Main Function that starts daemon and controls arguments
+func main() {
+	if len(os.Args) == 2 && os.Args[1] == "tmptest" {
+		log.Print("TEMPORARY TEST STARTED, log files are NOT redirecting!")
+		PluginManager("tmptest")
+	} else {
+		panic("Please enter a valid option !")
+	}
+}

cmd/go-loader-test/plugin-manager.go

@@ -0,0 +1,74 @@
+package main
+
+import (
+	"encoding/json"
+	"log"
+
+	"git.aliberksandikci.com.tr/asandikci/go-loader-test/pkg/utils"
+)
+
+// General Functions/Methods that each plugin has
+type PlugGeneral interface {
+	Info() map[string]interface{}
+}
+
+// plugins/tmptest
+type TmpTest interface {
+	TmpTest()
+}
+
+// FILLME creating new plugin interface, template
+// type NewPluginInterface interface {
+// 	PluginMethod() returnType
+// }
+
+// Loads Plugins and runs them concurrently.
+// When you create a new plugin create a new interface and call this plugin in this function
+func PluginManager(params ...string) {
+	chanPlug := make(chan interface{})
+
+	if len(params) > 0 && params[0] == "tmptest" {
+		go LoadPlugin("tmptest", chanPlug)
+		res, ok := <-chanPlug
+		var tmptest TmpTest = res.(TmpTest)
+		checkPlugin(res, ok)
+		tmptest.TmpTest()
+	}
+}
+
+// Logs plugin outputs.
+func logPlugin(title string, mp map[string]interface{}, toJson bool) {
+	log.Printf("\n----- %v -----\n", title)
+	if toJson {
+		data, err := json.MarshalIndent(&mp, "", " ")
+		utils.Check(err)
+		log.Println(string(data))
+	} else {
+		for i, v := range mp {
+			log.Printf("%v: %v\n", i, v)
+		}
+	}
+}
+
+// Checks plugin status
+func checkPlugin(plugVal interface{}, status bool) {
+	if status {
+		if plugVal == nil {
+			log.Fatal("Plugin loaded but there is no value!")
+		} else {
+			plugInfo := plugVal.(PlugGeneral).Info()
+			log.Printf("Plugin \"%v\" loaded and ready to use, version \"%v\" ", plugInfo["name"], plugInfo["version"])
+		}
+	} else {
+		if plugVal == nil {
+			log.Fatal("Plugin closed and there is no value! ")
+		} else {
+			log.Fatal("Plugin closed or there is an error")
+		}
+	}
+}
+
+// // TODO response to Lider
+// // func createResponse() {
+
+// // }

cmd/go-loader-test/plugin-opener.go

@@ -0,0 +1,26 @@
+package main
+
+import (
+	"fmt"
+	"os"
+	"plugin"
+
+	"git.aliberksandikci.com.tr/asandikci/go-loader-test/pkg/utils"
+)
+
+func LoadPlugin(plugName string, chn chan interface{}) {
+
+	plug, err := plugin.Open(PluginDir + plugName + ".so")
+	utils.Check(err)
+
+	symPlug, err := plug.Lookup(utils.FirstUpperEN(plugName) + "Connect")
+	utils.Check(err)
+
+	var plugOut interface{}
+	plugOut, ok := symPlug.(interface{})
+	if !ok {
+		fmt.Println("unexpected type from module symbol")
+		os.Exit(1)
+	}
+	chn <- plugOut
+}

go.mod

@@ -0,0 +1,5 @@
+module git.aliberksandikci.com.tr/asandikci/go-loader-test
+
+go 1.21.0
+
+require golang.org/x/text v0.12.0

go.sum

@@ -0,0 +1,2 @@
+golang.org/x/text v0.12.0 h1:k+n5B8goJNdU7hSvEtMUz3d1Q6D/XW4COJSJR6fN0mc=
+golang.org/x/text v0.12.0/go.mod h1:TvPlkZtksWOMsz7fbANvkp4WM8x/WCo/om8BMLbz+aE=

pkg/utils/main.go

@@ -0,0 +1,69 @@
+package utils
+
+import (
+	"log"
+	"os"
+
+	"golang.org/x/text/cases"
+	"golang.org/x/text/language"
+)
+
+func Byte2String(arr []int8) string {
+	b := make([]byte, len(arr))
+	for i, v := range arr {
+		b[i] = byte(v)
+	}
+	return string(b)
+}
+
+func Byte2MiB(b uint64) float64 {
+	return float64(float64(b) / (1024 * 1024))
+}
+
+func Byte2GiB(b uint64) float64 {
+	return float64(float64(b) / (1024 * 1024 * 1024))
+}
+
+func MB2GiB(b uint64) float64 {
+	return float64(float64(b*1000*1000) / (1024 * 1024 * 1024))
+}
+
+func CheckPath(path string) (bool, error) {
+	_, err := os.Stat(path)
+	if err == nil {
+		return true, nil
+	}
+	if os.IsNotExist(err) {
+		return false, nil
+	}
+	return false, err
+}
+
+func CreatePath(path string) {
+	if flag, err := CheckPath(path); flag {
+		if err != nil {
+			log.Fatal(err)
+		}
+	} else if err := os.Mkdir(path, os.ModePerm); err != nil {
+		log.Fatal(err)
+	}
+}
+
+func Check(err error) {
+	if err != nil {
+		panic(err)
+	}
+}
+
+func OpenLogFile(path string) *os.File {
+	f, err := os.OpenFile(path, os.O_WRONLY|os.O_APPEND|os.O_CREATE, 0644)
+	if err != nil {
+		panic(err)
+	}
+	return f
+}
+
+// Makes first character uppercase of given English string
+func FirstUpperEN(str string) string {
+	return cases.Title(language.English).String(str)
+} // TODO cases.NoLower vs cases.Compact !

plugins/tmptest/info.go

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+package main
+
+func (p plug) Info() map[string]interface{} {
+	return map[string]interface{}{
+		"name":        "tmptest",
+		"version":     "1.0.2",
+		"support":     "any",
+		"description": "Temporary testing",
+		"developer":   "asandikci@aliberksandikci.com.tr",
+	}
+}

plugins/tmptest/main.go

@@ -0,0 +1,24 @@
+package main
+
+import (
+	"fmt"
+	"time"
+)
+
+type plug string
+
+// exported plugin Symbol
+var TmptestConnect plug
+
+func (p plug) TmpTest() {
+	fmt.Println()
+	fmt.Println("----- Entered Test Area -----")
+	fmt.Println()
+	fmt.Println()
+
+	fmt.Println()
+	fmt.Println()
+	fmt.Println("----- End of Test Area -----")
+	fmt.Println()
+	time.Sleep(3 * time.Second)
+}