| /** |
| * Licensed to the Apache Software Foundation (ASF) under one |
| * or more contributor license agreements. See the NOTICE file |
| * distributed with this work for additional information |
| * regarding copyright ownership. The ASF licenses this file |
| * to you under the Apache License, Version 2.0 (the |
| * "License"); you may not use this file except in compliance |
| * with the License. You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, |
| * software distributed under the License is distributed on an |
| * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY |
| * KIND, either express or implied. See the License for the |
| * specific language governing permissions and limitations |
| * under the License. |
| */ |
| |
| package protocol |
| |
| import ( |
| "fmt" |
| |
| "github.com/ugorji/go/codec" |
| "mynewt.apache.org/newt/util" |
| ) |
| |
| type ImageStateEntry struct { |
| Slot int `codec:"slot"` |
| Version string `codec:"version"` |
| Hash []byte `codec:"hash"` |
| Bootable bool `codec:"bootable"` |
| Pending bool `codec:"pending"` |
| Confirmed bool `codec:"confirmed"` |
| Active bool `codec:"active"` |
| Permanent bool `codec:"permanent"` |
| } |
| |
| type ImageStateRsp struct { |
| ReturnCode int `codec:"rc"` |
| Images []ImageStateEntry `codec:"images"` |
| SplitStatus SplitStatus `codec:"splitStatus"` |
| } |
| |
| type ImageStateReadReq struct { |
| } |
| |
| type ImageStateWriteReq struct { |
| Hash []byte `codec:"hash"` |
| Confirm bool `codec:"confirm"` |
| } |
| |
| func NewImageStateReadReq() (*ImageStateReadReq, error) { |
| s := &ImageStateReadReq{} |
| return s, nil |
| } |
| |
| func NewImageStateWriteReq() (*ImageStateWriteReq, error) { |
| s := &ImageStateWriteReq{} |
| return s, nil |
| } |
| |
| func NewImageStateRsp() (*ImageStateRsp, error) { |
| s := &ImageStateRsp{} |
| return s, nil |
| } |
| |
| func (i *ImageStateReadReq) Encode() (*NmgrReq, error) { |
| nmr, err := NewNmgrReq() |
| if err != nil { |
| return nil, err |
| } |
| |
| nmr.Op = NMGR_OP_READ |
| nmr.Flags = 0 |
| nmr.Group = NMGR_GROUP_ID_IMAGE |
| nmr.Id = IMGMGR_NMGR_ID_STATE |
| nmr.Len = 0 |
| |
| return nmr, nil |
| } |
| |
| func (i *ImageStateWriteReq) Encode() (*NmgrReq, error) { |
| nmr, err := NewNmgrReq() |
| if err != nil { |
| return nil, err |
| } |
| |
| clone, err := NewImageStateWriteReq() |
| if err != nil { |
| return nil, err |
| } |
| |
| clone.Confirm = i.Confirm |
| |
| if len(i.Hash) != 0 { |
| clone.Hash = i.Hash |
| if err != nil { |
| return nil, err |
| } |
| } |
| |
| nmr.Op = NMGR_OP_WRITE |
| nmr.Flags = 0 |
| nmr.Group = NMGR_GROUP_ID_IMAGE |
| nmr.Id = IMGMGR_NMGR_ID_STATE |
| |
| data := make([]byte, 0) |
| enc := codec.NewEncoderBytes(&data, new(codec.CborHandle)) |
| enc.Encode(clone) |
| nmr.Data = data |
| nmr.Len = uint16(len(data)) |
| |
| return nmr, nil |
| } |
| |
| func DecodeImageStateResponse(data []byte) (*ImageStateRsp, error) { |
| rsp := &ImageStateRsp{} |
| |
| dec := codec.NewDecoderBytes(data, new(codec.CborHandle)) |
| err := dec.Decode(&rsp) |
| if err != nil { |
| return nil, util.NewNewtError(fmt.Sprintf("Invalid incoming cbor: %s", |
| err.Error())) |
| } |
| return rsp, nil |
| } |