[Spice-devel] [spice-gtk 3/9] usb-redir: Prepare for creation of emulated CD drive

[Victor Toso]

On Wed, Jul 24, 2019 at 01:53:45PM +0300, Yuri Benditovich wrote:
> Added command-line option for shared CD devices and respective
> property in usb-device-manager.
> 
> Signed-off-by: Yuri Benditovich <yuri.benditovich at daynix.com>
> ---
>  src/spice-option.c       | 15 +++++++++++++++
>  src/usb-device-manager.c | 33 +++++++++++++++++++++++++++++++++
>  2 files changed, 48 insertions(+)
> 
> diff --git a/src/spice-option.c b/src/spice-option.c
> index c2b059e..4fbca9f 100644
> --- a/src/spice-option.c
> +++ b/src/spice-option.c
> @@ -32,6 +32,7 @@ static char *smartcard_db = NULL;
>  static char *smartcard_certificates = NULL;
>  static char *usbredir_auto_redirect_filter = NULL;
>  static char *usbredir_redirect_on_connect = NULL;
> +static gchar **cd_share_files = NULL;
>  static gboolean smartcard = FALSE;
>  static gboolean disable_audio = FALSE;
>  static gboolean disable_usbredir = FALSE;
> @@ -183,6 +184,8 @@ GOptionGroup* spice_get_option_group(void)
>            N_("Filter selecting USB devices to be auto-redirected when plugged in"), N_("<filter-string>") },
>          { "spice-usbredir-redirect-on-connect", '\0', 0, G_OPTION_ARG_STRING, &usbredir_redirect_on_connect,
>            N_("Filter selecting USB devices to redirect on connect"), N_("<filter-string>") },
> +        { "spice-share-cd", '\0', 0, G_OPTION_ARG_STRING_ARRAY, &cd_share_files,
> +          N_("Name of ISO file or CD/DVD device to share"), N_("<filename> (repeat allowed)") },
>          { "spice-cache-size", '\0', 0, G_OPTION_ARG_INT, &cache_size,
>            N_("Image cache size (deprecated)"), N_("<bytes>") },
>          { "spice-glz-window-size", '\0', 0, G_OPTION_ARG_INT, &glz_window_size,
> @@ -272,6 +275,18 @@ void spice_set_session_option(SpiceSession *session)
>              g_object_set(m, "redirect-on-connect",
>                           usbredir_redirect_on_connect, NULL);
>      }
> +    if (cd_share_files) {
> +        SpiceUsbDeviceManager *m = spice_usb_device_manager_get(session, NULL);

Please check for errors as well, I patched the other two calls
for this

> +        if (m) {
> +            gchar **name = cd_share_files;
> +            while (name && *name) {
> +                g_object_set(m, "share-cd", *name, NULL);
> +                name++;
> +            }
> +        }
> +        g_strfreev(cd_share_files);
> +        cd_share_files = NULL;
> +    }
>      if (disable_usbredir)
>          g_object_set(session, "enable-usbredir", FALSE, NULL);
>      if (disable_audio)
> diff --git a/src/usb-device-manager.c b/src/usb-device-manager.c
> index 0961d16..b11bb15 100644
> --- a/src/usb-device-manager.c
> +++ b/src/usb-device-manager.c
> @@ -75,6 +75,7 @@ enum {
>      PROP_AUTO_CONNECT_FILTER,
>      PROP_REDIRECT_ON_CONNECT,
>      PROP_FREE_CHANNELS,
> +    PROP_SHARE_CD
>  };
>  
>  enum
> @@ -433,6 +434,26 @@ static void spice_usb_device_manager_set_property(GObject       *gobject,
>          priv->redirect_on_connect = g_strdup(filter);
>          break;
>      }
> +    case PROP_SHARE_CD:
> +    {
> +#ifdef USE_USBREDIR
> +        UsbCreateDeviceParameters param = { 0 };
> +        const gchar *name = g_value_get_string(value);
> +        /* the string is temporary, no need to keep it */
> +        SPICE_DEBUG("share_cd set to %s", name);
> +        if (name[0] == '!') {
> +            name++;
> +            param.device_param.create_cd.delete_on_eject = 1;
> +        }
> +        param.device_param.create_cd.filename = name;
> +        if (!spice_usb_backend_create_device(priv->context, USB_DEV_TYPE_CD, &param)) {
> +            g_warning(param.error->message);
> +            spice_usb_device_manager_device_error(self, NULL, param.error);
> +            g_error_free(param.error);
> +        }
> +#endif
> +        break;
> +    }
>      default:
>          G_OBJECT_WARN_INVALID_PROPERTY_ID(gobject, prop_id, pspec);
>          break;
> @@ -523,6 +544,18 @@ static void spice_usb_device_manager_class_init(SpiceUsbDeviceManagerClass *klas
>      g_object_class_install_property(gobject_class, PROP_REDIRECT_ON_CONNECT,
>                                      pspec);
>  
> +    /**
> +    * SpiceUsbDeviceManager:share-cd:
> +    *
> +    * Set a string specifying a filename (ISO) or physical CD/DVD device
> +    * to share via USB after a Spice connection has been established.
> +    *
> +    */
> +    pspec = g_param_spec_string("share-cd", "Share ISO file or device as CD",
> +        "File or device name to share", NULL,
> +        G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS);
> +    g_object_class_install_property(gobject_class, PROP_SHARE_CD, pspec);
> +
>      /**
>       * SpiceUsbDeviceManager:free-channels:
>       *
> -- 
> 2.17.1
> 
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> Spice-devel at lists.freedesktop.org
> https://lists.freedesktop.org/mailman/listinfo/spice-devel
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