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|
package internal
import (
"fmt"
"log"
"os"
"os/exec"
"syscall"
zmq "github.com/pebbe/zmq4"
)
type Bot struct {
BotToken string `json:"bot_token"`
Cmd *exec.Cmd // Ajouter une référence à la commande
ProcessID string
dealer *zmq.Socket // Stocker le PGID (Process Group ID)
read bool
readyChan chan bool // Canal pour indiquer que le bot est prêt
}
func Start(b *Bot) (*Bot, error) {
if b.readyChan == nil {
b.readyChan = make(chan bool)
}
// Create a new ZeroMQ socket specifically for this bot
ctx, err := zmq.NewContext()
if err != nil {
return nil, fmt.Errorf("[SERVER] failed to create context: %w", err)
}
// Each bot gets its own dealer socket
dealer, err := ctx.NewSocket(zmq.REP)
if err != nil {
return nil, fmt.Errorf("[SERVER] failed to create dealer: %w", err)
}
// Binding the socket to a specific address (may need to adjust the address based on your needs)
err = dealer.Bind(fmt.Sprintf("tcp://localhost:%s", b.ProcessID))
if err != nil {
return nil, fmt.Errorf("[SERVER] failed to bind dealer: %w", err)
}
// Configuration du bot
cmd := exec.Command("./discord-bot", b.BotToken, b.ProcessID) // Passer le port unique
cmd.SysProcAttr = &syscall.SysProcAttr{
Setpgid: true, // Permet de tuer le processus enfant si nécessaire
}
// Redirection des sorties pour le débogage
cmd.Stdout = os.Stdout
cmd.Stderr = os.Stderr
if err := cmd.Start(); err != nil {
return nil, fmt.Errorf("failed to start bot: %w", err)
}
b.Cmd = cmd
b.dealer = dealer
// Here we will receive messages from the bot in a separate goroutine
for {
msg, err := dealer.Recv(0)
if err != nil {
return nil, fmt.Errorf("[SERVER] failed to receive message: %w", err)
}
if msg == "ready" {
log.Printf("[SERVER] Bot is ready")
b.read = true
break
}
}
return b, nil
}
func (b *Bot) Stop() error {
if b.Cmd != nil && b.Cmd.Process.Pid != 0 {
if err := syscall.Kill(-b.Cmd.Process.Pid, syscall.SIGTERM); err != nil {
return fmt.Errorf("[SERVER] failed to stop bot: %w", err)
}
log.Printf("[SERVER] Bot %s stopped successfully", b.BotToken)
}
return nil
}
func (b *Bot) SendMessage(message string) error {
if b.dealer == nil {
return fmt.Errorf("[SERVER] sender socket is not initialized")
}
// Wait for the bot to be ready if it's not already
if !b.read {
log.Printf("[SERVER] Waiting for bot %s to be ready...", b.BotToken)
// this mean we should read the recv channel
msg, err := b.dealer.Recv(0)
if err != nil {
return fmt.Errorf("[SERVER] failed to receive message: %w", err)
}
log.Printf("[SERVER] Received message from bot %s: %s", b.BotToken, msg)
b.read = true
}
// Check if the bot process is still running
if err := b.Cmd.Process.Signal(syscall.Signal(0)); err != nil {
return fmt.Errorf("[SERVER] bot process is not running: %w", err)
}
// Check if the message is empty
if message == "" {
return fmt.Errorf("[SERVER] message is empty")
}
// Send the message
_, err := b.dealer.Send(message, 0)
if err != nil {
return fmt.Errorf("[SERVER] failed to send message to bot %s: %w", b.BotToken, err)
}
log.Printf("[SERVER] Sent message to bot %s: %s", b.BotToken, message)
b.read = false // Reset read state after sending the message
return nil
}
|
