示例#1
0
func (ls *libstore) AppendToList(key, newItem string) error {
	var args storagerpc.PutArgs
	var reply storagerpc.PutReply

	args.Key = key
	args.Value = newItem

	// pick the right server
	cli, err := ls.GetServer(key)
	if err != nil {
		return err
	}

	// call rpc to storage server
	err = cli.Call("StorageServer.AppendToList", &args, &reply)
	if err != nil {
		return err
	}

	// check the reply status
	if reply.Status != storagerpc.OK {
		err = GetErrorType(reply.Status)
		return err
	}

	return nil
}
示例#2
0
func (ls *libstore) Put(key, value string) error {
	// Get the right server
	cli, err := ls.GetServer(key)
	if err != nil {
		return err
	}

	var args storagerpc.PutArgs
	var reply storagerpc.PutReply

	args.Key = key
	args.Value = value

	// call rpc put to storage server
	err = cli.Call("StorageServer.Put", &args, &reply)
	if err != nil {
		return err
	}

	if reply.Status != storagerpc.OK {
		err = GetErrorType(reply.Status)
		return err
	}

	return nil
}
示例#3
0
func (ls *libstore) AppendToList(key, newItem string) error {
	var args storagerpc.PutArgs
	var reply storagerpc.PutReply

	args.Key = key
	args.Value = newItem
	target_server := ls.GetServerIndex(key)
	ls.rpc_connection[target_server].Call("StorageServer.AppendToList", args, &reply)
	if reply.Status != storagerpc.OK {
		return errors.New("Error in AppendToList")
	}
	return nil
}
示例#4
0
func (ls *libstore) Put(key, value string) error {
	var args storagerpc.PutArgs
	var reply storagerpc.PutReply

	args.Key = key
	args.Value = value
	target_server := ls.GetServerIndex(key)
	ls.rpc_connection[target_server].Call("StorageServer.Put", args, &reply)
	if reply.Status != storagerpc.OK {
		return errors.New("Error in put operation")
	}
	return nil
}
示例#5
0
func (ls *libstore) RemoveFromList(key, removeItem string) error {
	var args storagerpc.PutArgs
	var reply storagerpc.PutReply

	args.Key = key
	args.Value = removeItem
	target_server := ls.GetServerIndex(key)
	ls.rpc_connection[target_server].Call("StorageServer.RemoveFromList", args, &reply)
	if reply.Status != storagerpc.OK {
		return errors.New("Error in RemoveFromList")
	} else {
		return nil
	}
}
示例#6
0
func (ls *libstore) RemoveFromList(key, removeItem string) error {
	var args storagerpc.PutArgs
	var reply storagerpc.PutReply

	args.Key = key
	args.Value = removeItem

	cli, err := ls.GetServer(key)
	if err != nil {
		return err
	}

	err = cli.Call("StorageServer.RemoveFromList", &args, &reply)

	if err != nil {
		return err
	}

	if reply.Status != storagerpc.OK {
		err = GetErrorType(reply.Status)
		return err
	}
	return nil
}