Re: [Qemu-devel] [PATCH RFC v3 for-2.9 01/11] rbd: Reject -blockdev server.*.{numeric, to, ipv4, ipv6}

[Jeff Cody <jcody@redhat.com>]

On Mon, Mar 27, 2017 at 03:26:25PM +0200, Markus Armbruster wrote:
> We use InetSocketAddress in the QAPI schema.  However, the code
> doesn't use inet_connect_saddr(), but formats "host" and "port" into a
> configuration string for rados_conf_set().  Thus, members "numeric",
> "to", "ipv4" and "ipv6" are silently ignored.  Not nice.  Example:
> 
>     -blockdev rbd,node-name=nn,pool=p,image=i,server.0.host=h0,server.0.port=12345,server.0.ipv4=off
> 
> Factor a suitable InetSocketAddressBase out of InetSocketAddress, and
> use that.  "numeric", "to", "ipv4" and "ipv6" are now rejected.
> 
> Signed-off-by: Markus Armbruster <armbru@redhat.com>
> Reviewed-by: Eric Blake <eblake@redhat.com>

Reviewed-by: Jeff Cody <jcody@redhat.com>

> ---
>  qapi-schema.json     | 21 ++++++++++++++-------
>  qapi/block-core.json |  2 +-
>  2 files changed, 15 insertions(+), 8 deletions(-)
> 
> diff --git a/qapi-schema.json b/qapi-schema.json
> index 68a4327..b921994 100644
> --- a/qapi-schema.json
> +++ b/qapi-schema.json
> @@ -4051,19 +4051,27 @@
>    'data': [ 'all', 'rx', 'tx' ] }
>  
>  ##
> +# @InetSocketAddressBase:
> +#
> +# @host: host part of the address
> +# @port: port part of the address
> +##
> +{ 'struct': 'InetSocketAddressBase',
> +  'data': {
> +    'host': 'str',
> +    'port': 'str' } }
> +
> +##
>  # @InetSocketAddress:
>  #
>  # Captures a socket address or address range in the Internet namespace.
>  #
> -# @host: host part of the address
> -#
> -# @port: port part of the address, or lowest port if @to is present
> -#
>  # @numeric: true if the host/port are guaranteed to be numeric,
>  #           false if name resolution should be attempted. Defaults to false.
>  #           (Since 2.9)
>  #
> -# @to: highest port to try
> +# @to: If present, this is range of possible addresses, with port
> +#      between @port and @to.
>  #
>  # @ipv4: whether to accept IPv4 addresses, default try both IPv4 and IPv6
>  #
> @@ -4072,9 +4080,8 @@
>  # Since: 1.3
>  ##
>  { 'struct': 'InetSocketAddress',
> +  'base': 'InetSocketAddressBase',
>    'data': {
> -    'host': 'str',
> -    'port': 'str',
>      '*numeric':  'bool',
>      '*to': 'uint16',
>      '*ipv4': 'bool',
> diff --git a/qapi/block-core.json b/qapi/block-core.json
> index 0f132fc..5d2efe4 100644
> --- a/qapi/block-core.json
> +++ b/qapi/block-core.json
> @@ -2652,7 +2652,7 @@
>              '*conf': 'str',
>              '*snapshot': 'str',
>              '*user': 'str',
> -            '*server': ['InetSocketAddress'],
> +            '*server': ['InetSocketAddressBase'],
>              '*auth-supported': ['RbdAuthMethod'],
>              '*password-secret': 'str' } }
>  
> -- 
> 2.7.4
>