[Spice-devel] [PATCH spice-protocol v3] agent: Add support for reporting on free space

[Pavel Grunt]

On Sun, 2017-05-21 at 15:09 +0200, Jakub Janků wrote:
> Agent can send VDAgentFileXferStatusMessage with result
> VD_AGENT_FILE_XFER_STATUS_NOT_ENOUGH_SPACE to indicate lack of free
> space. This enables more detailed error reporting, so the user knows
> why the file transfer has failed.
> 
> Add VD_AGENT_CAP_FILE_XFER_DETAILED_ERRORS to ensure detailed errors
> are not sent to clients that do not support it. This can be used
> with more file xfer errors in the future.
> ---
>  spice/vd_agent.h | 9 +++++++++
>  1 file changed, 9 insertions(+)
> 
> diff --git a/spice/vd_agent.h b/spice/vd_agent.h
> index 3b1f183..2a168d0 100644
> --- a/spice/vd_agent.h
> +++ b/spice/vd_agent.h
> @@ -99,11 +99,19 @@ enum {
>      VD_AGENT_FILE_XFER_STATUS_CANCELLED,
>      VD_AGENT_FILE_XFER_STATUS_ERROR,
>      VD_AGENT_FILE_XFER_STATUS_SUCCESS,
> +    VD_AGENT_FILE_XFER_STATUS_NOT_ENOUGH_SPACE,
>  };
>  
>  typedef struct SPICE_ATTR_PACKED VDAgentFileXferStatusMessage {
>     uint32_t id;
>     uint32_t result;
> +   /* Used to send additional data for detailed error messages
> +    * to clients with VD_AGENT_CAP_FILE_XFER_DETAILED_ERRORS
> capability.
> +    * Type of data varies with the result:
> +    * result : data type
> +    * VD_AGENT_FILE_XFER_STATUS_NOT_ENOUGH_SPACE : uint64_t
> +    */
> +   uint8_t data[0];
>  } VDAgentFileXferStatusMessage;
>  
>  typedef struct SPICE_ATTR_PACKED VDAgentFileXferStartMessage {
> @@ -248,6 +256,7 @@ enum {
>      VD_AGENT_CAP_AUDIO_VOLUME_SYNC,
>      VD_AGENT_CAP_MONITORS_CONFIG_POSITION,
>      VD_AGENT_CAP_FILE_XFER_DISABLED,
> +    VD_AGENT_CAP_FILE_XFER_DETAILED_ERRORS,
>      VD_AGENT_END_CAP,
>  };
>  


Looks good to me, ack.

Thanks,
Pavel