Re: [PATCH v6 07/10] spice: add support for listen type socket

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On Wed, Jun 08, 2016 at 05:25:45PM +0200, Pavel Hrdina wrote:
> Resolves: https://bugzilla.redhat.com/show_bug.cgi?id=1335832
> 
> Signed-off-by: Pavel Hrdina <phrdina@xxxxxxxxxx>
> ---
>  docs/formatdomain.html.in                          |  2 +-
>  src/conf/domain_conf.c                             | 31 ++++++++----
>  src/qemu/qemu_command.c                            | 56 ++++++++++++++++------
>  src/qemu/qemu_migration.c                          | 47 +++++++++++++-----
>  .../qemuxml2argv-graphics-spice-auto-socket.args   | 20 ++++++++
>  .../qemuxml2argv-graphics-spice-auto-socket.xml    | 30 ++++++++++++
>  .../qemuxml2argv-graphics-spice-socket.args        | 20 ++++++++
>  .../qemuxml2argv-graphics-spice-socket.xml         | 30 ++++++++++++
>  tests/qemuxml2argvtest.c                           |  6 +++
>  .../qemuxml2xmlout-graphics-spice-auto-socket.xml  | 35 ++++++++++++++
>  .../qemuxml2xmlout-graphics-spice-socket.xml       | 35 ++++++++++++++
>  tests/qemuxml2xmltest.c                            |  2 +
>  12 files changed, 277 insertions(+), 37 deletions(-)
>  create mode 100644 tests/qemuxml2argvdata/qemuxml2argv-graphics-spice-auto-socket.args
>  create mode 100644 tests/qemuxml2argvdata/qemuxml2argv-graphics-spice-auto-socket.xml
>  create mode 100644 tests/qemuxml2argvdata/qemuxml2argv-graphics-spice-socket.args
>  create mode 100644 tests/qemuxml2argvdata/qemuxml2argv-graphics-spice-socket.xml
>  create mode 100644 tests/qemuxml2xmloutdata/qemuxml2xmlout-graphics-spice-auto-socket.xml
>  create mode 100644 tests/qemuxml2xmloutdata/qemuxml2xmlout-graphics-spice-socket.xml
> 

> @@ -21924,18 +21925,28 @@ virDomainGraphicsDefFormat(virBufferPtr buf,
>          break;
>  
>      case VIR_DOMAIN_GRAPHICS_TYPE_SPICE:
> -        if (def->data.spice.port)
> -            virBufferAsprintf(buf, " port='%d'",
> -                              def->data.spice.port);
> +        switch (glisten->type) {

This could be typecasted.

> +        case VIR_DOMAIN_GRAPHICS_LISTEN_TYPE_ADDRESS:
> +        case VIR_DOMAIN_GRAPHICS_LISTEN_TYPE_NETWORK:
> +            if (def->data.spice.port)
> +                virBufferAsprintf(buf, " port='%d'",
> +                                  def->data.spice.port);
>  
> -        if (def->data.spice.tlsPort)
> -            virBufferAsprintf(buf, " tlsPort='%d'",
> -                              def->data.spice.tlsPort);
> +            if (def->data.spice.tlsPort)
> +                virBufferAsprintf(buf, " tlsPort='%d'",
> +                                  def->data.spice.tlsPort);
>  
> -        virBufferAsprintf(buf, " autoport='%s'",
> -                          def->data.spice.autoport ? "yes" : "no");
> +            virBufferAsprintf(buf, " autoport='%s'",
> +                              def->data.spice.autoport ? "yes" : "no");
>  
> -        virDomainGraphicsListenDefFormatAddr(buf, glisten, flags);
> +            virDomainGraphicsListenDefFormatAddr(buf, glisten, flags);
> +            break;
> +
> +        case VIR_DOMAIN_GRAPHICS_LISTEN_TYPE_NONE:
> +        case VIR_DOMAIN_GRAPHICS_LISTEN_TYPE_SOCKET:
> +        case VIR_DOMAIN_GRAPHICS_LISTEN_TYPE_LAST:
> +            break;
> +        }
>  
>          if (def->data.spice.keymap)
>              virBufferEscapeString(buf, " keymap='%s'",
> diff --git a/src/qemu/qemu_command.c b/src/qemu/qemu_command.c
> index 1d25655..1b46012 100644
> --- a/src/qemu/qemu_command.c
> +++ b/src/qemu/qemu_command.c
> @@ -7347,27 +7347,53 @@ qemuBuildGraphicsSPICECommandLine(virQEMUDriverConfigPtr cfg,
>          goto error;
>      }
>  
> -    glisten = virDomainGraphicsGetListen(graphics, 0);
> -
> -    if (port > 0) {
> -        virBufferAsprintf(&opt, "port=%u,", port);
> -        hasInsecure = true;
> +    if (!(glisten = virDomainGraphicsGetListen(graphics, 0))) {
> +        virReportError(VIR_ERR_INTERNAL_ERROR, "%s",
> +                       _("missing listen element"));
> +        goto error;
>      }
>  
> -    if (tlsPort > 0) {
> -        if (!cfg->spiceTLS) {
> +    switch (glisten->type) {

Same here.

Separating the change to using switch from adding the _SOCKET case would
have made the diff nicer, but luckily we have -b.

> +    case VIR_DOMAIN_GRAPHICS_LISTEN_TYPE_SOCKET:
> +        if (!virQEMUCapsGet(qemuCaps, QEMU_CAPS_SPICE_UNIX)) {
>              virReportError(VIR_ERR_CONFIG_UNSUPPORTED, "%s",
> -                           _("spice TLS port set in XML configuration,"
> -                             " but TLS is disabled in qemu.conf"));
> +                           _("unix socket for spice graphics are not supported "
> +                             "with this QEMU"));

> +        if (dom->def->graphics[i]->type == VIR_DOMAIN_GRAPHICS_TYPE_SPICE) {
> +            virDomainGraphicsListenDefPtr glisten =
> +                virDomainGraphicsGetListen(dom->def->graphics[i], 0);
> +
> +            if (!glisten) {
> +                virReportError(VIR_ERR_INTERNAL_ERROR, "%s",
> +                               _("missing listen element"));
> +                return -1;
> +            }
> +
> +            switch (glisten->type) {

This can also be typecasted.

> +            case VIR_DOMAIN_GRAPHICS_LISTEN_TYPE_ADDRESS:
> +            case VIR_DOMAIN_GRAPHICS_LISTEN_TYPE_NETWORK:
> +                /* Seamless migration is supported only for listen types
> +                 * 'address and 'network'. */
> +                if (!(mig->graphics =
> +                      qemuMigrationCookieGraphicsSpiceAlloc(driver,
> +                                                            dom->def->graphics[i],
> +                                                            glisten)))
> +                    return -1;
> +                mig->flags |= QEMU_MIGRATION_COOKIE_GRAPHICS;
> +                break;
> +
> +            case VIR_DOMAIN_GRAPHICS_LISTEN_TYPE_SOCKET:
> +            case VIR_DOMAIN_GRAPHICS_LISTEN_TYPE_NONE:
> +            case VIR_DOMAIN_GRAPHICS_LISTEN_TYPE_LAST:
> +                break;
> +            }

ACK

Jan

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