func()

in api/datanode/datanode.go [220:246]

• 25 lines of code
• 3 McCabe index (conditional complexity)

func (dnClient *DatanodeClient) GetBlock(id *dnapi.DatanodeBlockID) ([]ChunkInfo, error) {
	result := make([]ChunkInfo, 0)

	req := dnapi.GetBlockRequestProto{
		BlockID: id,
	}
	commandType := dnapi.Type_GetBlock
	proto := dnapi.ContainerCommandRequestProto{
		CmdType:      &commandType,
		GetBlock:     &req,
		ContainerID:  id.ContainerID,
		DatanodeUuid: dnClient.GetCurrentDnUUid(),
	}

	resp, err := dnClient.sendDatanodeCommand(proto)
	if err != nil {
		return result, err
	}
	for _, chunkInfo := range resp.GetGetBlock().GetBlockData().Chunks {
		result = append(result, ChunkInfo{
			Name:   chunkInfo.GetChunkName(),
			Offset: chunkInfo.GetOffset(),
			Len:    chunkInfo.GetLen(),
		})
	}
	return result, nil
}