//----------------------------------------------------------
// 广播包
// 只由 SYS_USR 接收
// 外部只需要调用Broadcast函数即可
func SYS_broadcast(sess *Session, obj *IPCObject) []byte {
// 解包
DEBUG("RECEIVED SYS_BROADCAST")
realmsg := &IPCObject{}
err := json.Unmarshal(obj.Object, realmsg)
if err != nil {
ERR("SYS_broadcast cannot decode msg", err, obj.Object)
return nil
}
// 投递closure
send := func(MQ chan IPCObject) {
defer func() {
recover()
}()
MQ <- *realmsg
}
// 循环投递
DEBUG("SERVICE", realmsg.Service)
users := gsdb.ListAll()
for _, v := range users {
peer := gsdb.QueryOnline(v)
if peer != nil {
if v != SYS_USR { // 广播包不能投递给系统玩家
send(peer.MQ)
}
}
}
DEBUG("BROADCAST Delivered to", len(users), "users")
return nil
}
func ListAll(output io.Writer) {
Print(output, reflect.ValueOf(gsdb.ListAll()))
}