// you must call the function before calling console.Init
// goroutine not safe
func Register(name string, help string, f interface{}, server *chanrpc.Server) {
for _, c := range commands {
if c.name() == name {
log.Fatal("command %v is already registered", name)
}
}
server.Register(name, f)
c := new(ExternalCommand)
c._name = name
c._help = help
c.server = server
commands = append(commands, c)
}
// you must call the function before calling console.Init，也就是在leaf.Run之前
// goroutine not safe
// 注册命令
func Register(name string, help string, f interface{}, server *chanrpc.Server) {
//判断命令是否存在
for _, c := range commands {
if c.name() == name {
log.Fatal("command %v is already registered", name)
}
}
//注册f（函数）
server.Register(name, f) //将命令注册进RPC服务器内
c := new(ExternalCommand) //创建一个外部命令
c._name = name //保存命令名字
c._help = help //保存命令帮助
c.server = server //保存命令服务（一个rpc服务器）
commands = append(commands, c) //添加命令到命令列表中
}