Changed line ending

.drone.yml

@@ -4,6 +4,7 @@ pipeline:
         group: build
         commands:
             - go get -v -d ./...
+            - sh build_plugins.sh
             - go build .
     test:
         image: golang
@@ -12,7 +13,8 @@ pipeline:
         environment: [ test_api_token ]
         commands:
             - go get -v -d ./...
-            - go test ./...
+            - sh build_plugins.sh
+            - go test . ./commands ./settings ./plugin_manager/ ./shared/
     publish:
         image: plugins/docker
         repo: klmp200/alfred

alfred.go

@@ -2,13 +2,14 @@
 * @Author: Bartuccio Antoine
 * @Date:   2018-07-23 15:24:22
 * @Last Modified by:   klmp200
-* @Last Modified time: 2018-07-24 20:55:53
+* @Last Modified time: 2018-07-25 14:31:13
  */
 
 package main
 
 import (
 	"./commands"
+	"./plugin_manager"
 	"./settings"
 	"./shared"
 	tb "gopkg.in/tucnak/telebot.v2"
@@ -18,7 +19,7 @@ import (
 
 func main() {
 	registered_commands := map[string]func(*tb.Message){
-		tb.OnText:    commands.OnText,
+		// tb.OnText:    commands.OnText,
 		"/hello":     commands.Hello,
 		"/sponge":    commands.Sponge,
 		"/git":       commands.Git,
@@ -53,6 +54,9 @@ func main() {
 		b.Handle(key, value)
 	}
 
+	plugin_manager.Init("plugin", b)
+	b.Handle(tb.OnText, plugin_manager.HandleMessage)
+	plugin_manager.StartPlugins()
 	log.Println("Starting bot")
 	b.Start()
 }

build_plugins.sh

@@ -0,0 +1,12 @@
+# @Author: Bartuccio Antoine
+# @Date:   2018-07-25 12:47:23
+# @Last Modified by:   klmp200
+# @Last Modified time: 2018-07-25 12:58:04
+#!/bin/sh
+cd plugin
+rm -f *.so
+FILES=`ls *.go`
+for FILE in $FILES
+do
+	go build -buildmode=plugin $FILE
+done

plugin/plugin.go

@@ -0,0 +1,68 @@
+package main
+
+import (
+	"../plugin_manager"
+	tb "gopkg.in/tucnak/telebot.v2"
+)
+
+type plugin string
+
+func (g plugin) GetCommands() []string {
+	return []string{"plugin"}
+}
+
+func (g plugin) HandleCommand(bot *tb.Bot, msg *tb.Message, cmd string, args []string) {
+	if cmd == "plugin" {
+		ok := false
+		if len(args) >= 1 {
+			if args[0] == "list" {
+				lst := ""
+				for _, pName := range plugin_manager.GetPluginList() {
+					lst = lst + "-" + pName + "   (status: "
+					if plugin_manager.IsPluginEnable(pName) {
+						lst += "enable, "
+					} else {
+						lst += "disable, "
+					}
+					if plugin_manager.IsPluginRunning(pName) {
+						lst += "running"
+					} else {
+						lst += "stopped"
+					}
+					lst += ")\n"
+				}
+				bot.Send(msg.Chat, "liste des plugins disponible:\n"+lst)
+				ok = true
+			}
+			if args[0] == "enable" && len(args) >= 2 {
+				for _, name := range args[1:] {
+					if plugin_manager.ExistPlugin(name) {
+						plugin_manager.EnablePlugin(name, true)
+						bot.Send(msg.Chat, "enable plugin "+name)
+					}
+				}
+				ok = true
+			}
+			if args[0] == "disable" && len(args) >= 2 {
+				for _, name := range args[1:] {
+					if plugin_manager.ExistPlugin(name) {
+						plugin_manager.EnablePlugin(name, false)
+						bot.Send(msg.Chat, "disable plugin "+name)
+					}
+				}
+				ok = true
+			}
+		}
+		if !ok {
+			bot.Send(msg.Chat, "command inconnue\n"+
+				"liste de plugin:\n"+
+				"/plugin list\n"+
+				"activer un/des plugins\n"+
+				"/plugin enable nom_plugin\n"+
+				"désactiver un/des plugins\n"+
+				"/plugin disable nom_plugin")
+		}
+	}
+}
+
+var Plugin plugin

plugin/test.go

@@ -0,0 +1,40 @@
+package main
+
+import (
+	tb "gopkg.in/tucnak/telebot.v2"
+	"log"
+)
+
+type plugin string
+
+func (g plugin) GetCommands() []string {
+	return []string{"ping", "test"}
+}
+
+func (g plugin) Load() bool {
+	log.Println("plugin test loaded!")
+	return true
+}
+
+func (g plugin) HandleMessage(bot *tb.Bot, msg *tb.Message) {
+	log.Println("plugin test message: " + msg.Text)
+}
+
+func (g plugin) HandleCommand(bot *tb.Bot, msg *tb.Message, cmd string, args []string) {
+	if cmd == "ping" {
+		bot.Send(msg.Chat, "pong!")
+	}
+	argsS := ""
+	for _, arg := range args {
+		argsS = argsS + " " + arg
+	}
+	log.Print("plugin test cmd: " + cmd + " (args:" + argsS + ")")
+
+}
+
+func (g plugin) Unload() bool {
+	log.Println("plugin test unloaded!")
+	return true
+}
+
+var Plugin plugin

plugin/test2.go

@@ -0,0 +1,22 @@
+package main
+
+import (
+	tb "gopkg.in/tucnak/telebot.v2"
+	"log"
+)
+
+type plugin string
+
+func (g plugin) Load() {
+	log.Println("plugin test2 loaded!")
+}
+
+func (g plugin) HandleMessage(bot *tb.Bot, msg string) {
+	log.Println("test2 message: " + msg)
+}
+
+func (g plugin) Unload() {
+	log.Println("plugin test2 unloaded!")
+}
+
+var Plugin plugin

plugin_manager/manager.go

@@ -0,0 +1,162 @@
+/**
+ * @Author: KLIPFEL Arthur
+ * @Date:   2018-08-24 12:17:17
+ */
+package plugin_manager
+
+import (
+	tb "gopkg.in/tucnak/telebot.v2"
+	"log"
+	"path/filepath"
+	"strings"
+	"sync"
+)
+
+type PluginCtrl struct {
+	plugin  Plugin
+	mux     sync.Mutex
+	running bool
+	enable  bool
+}
+
+var pluginDir string
+var pluginsRunning bool
+var plugins map[string]PluginCtrl
+var context *tb.Bot
+
+func Init(_pluginDir string, bot *tb.Bot) {
+	pluginDir = _pluginDir
+	pluginsRunning = false
+	plugins = make(map[string]PluginCtrl)
+	context = bot
+	for _, fileName := range GetSoFiles(pluginDir) {
+		var p PluginCtrl
+		p.plugin = LoadSoFile(filepath.Join(pluginDir, fileName))
+		if p.plugin != nil {
+			p.running = false
+			p.enable = true
+			plugins[fileName[:len(fileName)-3]] = p
+		}
+	}
+}
+
+func GetPluginList() []string {
+	var lst []string
+	for name, _ := range plugins {
+		lst = append(lst, name)
+	}
+	return lst
+}
+
+func IsPluginRunning(name string) bool {
+	if p, ok := plugins[name]; ok {
+		return p.running
+	}
+	return false
+}
+
+func ExistPlugin(name string) bool {
+	if _, ok := plugins[name]; ok {
+		return true
+	}
+	return false
+}
+
+func GetPlugin(name string) Plugin {
+	if p, ok := plugins[name]; ok {
+		return p
+	}
+	return nil
+}
+
+func IsPluginEnable(name string) bool {
+	if p, ok := plugins[name]; ok {
+		return p.enable
+	}
+	return false
+}
+
+func EnablePlugin(name string, enable bool) {
+	if p, ok := plugins[name]; ok {
+		if enable != p.enable {
+			p.enable = enable
+			plugins[name] = p
+			if pluginsRunning {
+				if enable {
+					if !p.running {
+						startPlugin(name)
+					}
+				} else {
+					if p.running {
+						stopPlugin(name)
+					}
+				}
+			}
+		}
+	} else {
+		log.Fatal("error: plugin " + name + " not founded")
+	}
+}
+
+func StopPlugins() {
+	for k, _ := range plugins {
+		stopPlugin(k)
+	}
+	pluginsRunning = false
+}
+
+func HandleMessage(msg *tb.Message) {
+	for _, val := range plugins {
+		if val.enable && val.running {
+			if strings.HasPrefix(msg.Text, "/") {
+				split := strings.Split(msg.Text, " ")
+				split[0] = split[0][1:]
+				if Contains(split[0], ExecGetCommands(val.plugin)) {
+					ExecHandleCommand(val.plugin, context, msg, split[0], split[1:])
+				}
+			} else {
+				ExecHandleMessage(val.plugin, context, msg)
+			}
+		}
+	}
+}
+
+func StartPlugins() {
+	for k, val := range plugins {
+		if val.enable {
+			startPlugin(k)
+		}
+	}
+	pluginsRunning = true
+}
+
+func startPlugin(name string) {
+	if p, ok := plugins[name]; ok {
+		//p.mux.Lock()
+		if !p.running && p.enable {
+			p.running = ExecLoad(p.plugin)
+			plugins[name] = p
+		}
+		//p.mux.Unlock()
+	}
+}
+
+func stopPlugin(name string) {
+	if p, ok := plugins[name]; ok {
+		//p.mux.Lock()
+		if p.running {
+			p.running = false
+			plugins[name] = p
+			ExecUnload(p.plugin)
+		}
+		//p.mux.Unlock()
+	}
+}
+
+func Exit() {
+	for _, p := range plugins {
+		if p.running {
+			ExecUnload(p.plugin)
+		}
+	}
+}

plugin_manager/tools.go

@@ -0,0 +1,127 @@
+/**
+ * @Author: KLIPFEL Arthur
+ * @Date:   2018-08-24 12:17:17
+ */
+package plugin_manager
+
+import (
+	tb "gopkg.in/tucnak/telebot.v2"
+	"io/ioutil"
+	"log"
+	"plugin"
+	"strings"
+)
+
+type TestGetCommands interface {
+	GetCommands() []string
+}
+
+type TestLoad interface {
+	Load() bool
+}
+
+type TestHandleMessage interface {
+	HandleMessage(bot *tb.Bot, msg *tb.Message)
+}
+
+type TestHandleCommand interface {
+	HandleCommand(bot *tb.Bot, msg *tb.Message, cmd string, args []string)
+}
+
+type TestUnload interface {
+	Unload() bool
+}
+
+type Plugin interface { /*
+		GetCommandes() []string
+		Load() bool
+		HandleMessage(bot *tb.Bot, msg *tb.Message)
+		HandleCommand(bot *tb.Bot, msg *tb.Message, cmd string, args []string)
+		Unload() bool*/
+}
+
+func GetSoFiles(dir string) []string {
+	var slice []string
+
+	files, err := ioutil.ReadDir(dir)
+	if err != nil {
+		log.Fatal(err)
+	} else {
+		for _, f := range files {
+			if strings.HasSuffix(f.Name(), ".so") {
+				slice = append(slice, f.Name())
+			}
+		}
+	}
+	return slice
+}
+
+func LoadSoFile(file string) Plugin {
+	plug, err := plugin.Open(file)
+	if err != nil {
+		log.Fatal(err)
+		return nil
+	}
+
+	symPlugin, err := plug.Lookup("Plugin")
+	if err != nil {
+		log.Fatal(err)
+		return nil
+	}
+
+	var plugin Plugin
+	//plugin, _ = symPlugin.(Plugin)
+	plugin, ok := symPlugin.(Plugin)
+	if !ok {
+		log.Fatal(file + ": unexpected type from module symbol")
+		return nil
+	}
+	return plugin
+}
+
+func ExecGetCommands(plugin Plugin) []string {
+	p, ok := plugin.(TestGetCommands)
+	if ok {
+		return p.GetCommands()
+	}
+	return []string{}
+}
+
+func ExecLoad(plugin Plugin) bool {
+	p, ok := plugin.(TestLoad)
+	if ok {
+		return p.Load()
+	}
+	return true
+}
+
+func ExecHandleMessage(plugin Plugin, bot *tb.Bot, msg *tb.Message) {
+	p, ok := plugin.(TestHandleMessage)
+	if ok {
+		p.HandleMessage(bot, msg)
+	}
+}
+
+func ExecHandleCommand(plugin Plugin, bot *tb.Bot, msg *tb.Message, cmd string, args []string) {
+	p, ok := plugin.(TestHandleCommand)
+	if ok {
+		p.HandleCommand(bot, msg, cmd, args)
+	}
+}
+
+func ExecUnload(plugin Plugin) bool {
+	p, ok := plugin.(TestUnload)
+	if ok {
+		return p.Unload()
+	}
+	return true
+}
+
+func Contains(e string, s []string) bool {
+	for _, a := range s {
+		if a == e {
+			return true
+		}
+	}
+	return false
+}