[Spice-devel] [PATCH spice-gtk 5/5] Teach spicy to use a NBD channel

Hans de Goede hdegoede at redhat.com
Sat Jun 8 07:36:04 PDT 2013


Hi,

Looks good, ack.

Regards,

Hans


On 06/05/2013 05:39 PM, Marc-André Lureau wrote:
> ---
>   gtk/spicy.c | 102 +++++++++++++++++++++++++++++++++++++++++++++++++++++++-----
>   1 file changed, 95 insertions(+), 7 deletions(-)
>
> diff --git a/gtk/spicy.c b/gtk/spicy.c
> index dff9d44..0b5b1ea 100644
> --- a/gtk/spicy.c
> +++ b/gtk/spicy.c
> @@ -97,6 +97,7 @@ struct spice_connection {
>       SpiceSession     *session;
>       SpiceGtkSession  *gtk_session;
>       SpiceMainChannel *main;
> +    SpiceNbdChannel  *nbd_channel;
>       SpiceWindow     *wins[CHANNELID_MAX * MONITORID_MAX];
>       SpiceAudio       *audio;
>       const char       *mouse_state;
> @@ -121,6 +122,8 @@ static void del_window(spice_connection *conn, SpiceWindow *win);
>   static gboolean fullscreen = false;
>   static gboolean version = false;
>   static char *spicy_title = NULL;
> +static gchar *nbd_file = NULL;
> +
>   /* globals */
>   static GMainLoop     *mainloop = NULL;
>   static int           connections = 0;
> @@ -373,6 +376,50 @@ static void menu_cb_connect(GtkAction *action, void *data)
>       connection_connect(conn);
>   }
>
> +static void nbd_set_file_finished(GObject *source_object,
> +                                  GAsyncResult *res,
> +                                  gpointer user_data)
> +{
> +    SpiceNbdChannel *nbd = SPICE_NBD_CHANNEL(source_object);
> +    GError *error = NULL;
> +
> +    if (!spice_nbd_channel_set_file_finish(nbd, res, &error)) {
> +        g_warning("Failed to set NBD file: %s", error->message);
> +        g_clear_error(&error);
> +    }
> +}
> +
> +static void update_nbd_export(struct spice_connection *conn, const gchar *path)
> +{
> +    GFile *file = NULL;
> +
> +    g_message("Update nbd export: %s", path);
> +    if (path)
> +        file = g_file_new_for_path(path);
> +
> +    spice_nbd_channel_set_file_async(conn->nbd_channel, file, SPICE_NBD_OPEN_NONE,
> +                                     NULL, nbd_set_file_finished, conn);
> +}
> +
> +static void menu_cb_change_nbd(GtkAction *action, void *data)
> +{
> +    GtkWidget *chooser;
> +    SpiceWindow *win = data;
> +
> +    chooser = gtk_file_chooser_dialog_new(_("Select disk image"),
> +                                          GTK_WINDOW(win->toplevel),
> +                                          GTK_FILE_CHOOSER_ACTION_OPEN,
> +                                          GTK_STOCK_CANCEL, GTK_RESPONSE_CANCEL,
> +                                          GTK_STOCK_OPEN, GTK_RESPONSE_ACCEPT,
> +                                          NULL);
> +    if (gtk_dialog_run(GTK_DIALOG(chooser)) == GTK_RESPONSE_ACCEPT) {
> +        gchar *path = gtk_file_chooser_get_filename(GTK_FILE_CHOOSER(chooser));
> +        update_nbd_export(win->conn, path);
> +        g_free(path);
> +    }
> +    gtk_widget_destroy(chooser);
> +}
> +
>   static void menu_cb_close(GtkAction *action, void *data)
>   {
>       SpiceWindow *win = data;
> @@ -761,6 +808,10 @@ static const GtkActionEntry entries[] = {
>           .label       = N_("_Connect ..."),
>           .callback    = G_CALLBACK(menu_cb_connect),
>       },{
> +        .name        = "ChangeNBD",
> +        .label       = N_("_Change NBD image"),
> +        .callback    = G_CALLBACK(menu_cb_change_nbd),
> +    },{
>           .name        = "Close",
>           .stock_id    = GTK_STOCK_CLOSE,
>           .label       = N_("_Close"),
> @@ -878,6 +929,7 @@ static char ui_xml[] =
>   "      <menuitem action='Connect'/>\n"
>   "      <menu action='FileRecentMenu'/>\n"
>   "      <separator/>\n"
> +"      <menuitem action='ChangeNBD'/>\n"
>   "      <menuitem action='Close'/>\n"
>   "    </menu>\n"
>   "    <menu action='EditMenu'>\n"
> @@ -1322,24 +1374,39 @@ static void display_mark(SpiceChannel *channel, gint mark, SpiceWindow *win)
>       }
>   }
>
> -static void update_auto_usbredir_sensitive(spice_connection *conn)
> +static void update_action_sensitive(spice_connection *conn,
> +                                    const gchar *action, gboolean sensitive)
>   {
> -#ifdef USE_USBREDIR
>       int i;
>       GtkAction *ac;
> -    gboolean sensitive;
>
> -    sensitive = spice_session_has_channel_type(conn->session,
> -                                               SPICE_CHANNEL_USBREDIR);
>       for (i = 0; i < SPICE_N_ELEMENTS(conn->wins); i++) {
>           if (conn->wins[i] == NULL)
>               continue;
> -        ac = gtk_action_group_get_action(conn->wins[i]->ag, "auto-usbredir");
> +        ac = gtk_action_group_get_action(conn->wins[i]->ag, action);
>           gtk_action_set_sensitive(ac, sensitive);
>       }
> +}
> +
> +static void update_auto_usbredir_sensitive(spice_connection *conn)
> +{
> +#ifdef USE_USBREDIR
> +    gboolean sensitive;
> +
> +    sensitive = spice_session_has_channel_type(conn->session, SPICE_CHANNEL_USBREDIR);
> +    update_action_sensitive(conn, "auto-usbredir", sensitive);
>   #endif
>   }
>
> +static void update_nbd_sensitive(spice_connection *conn)
> +{
> +    gboolean sensitive;
> +
> +    sensitive = spice_session_has_channel_type(conn->session, SPICE_CHANNEL_NBD);
> +    update_action_sensitive(conn, "ChangeNBD", sensitive);
> +}
> +
> +
>   static SpiceWindow* get_window(spice_connection *conn, int channel_id, int monitor_id)
>   {
>       g_return_val_if_fail(channel_id < CHANNELID_MAX, NULL);
> @@ -1401,6 +1468,7 @@ static void display_monitors(SpiceChannel *display, GParamSpec *pspec,
>                                             G_CALLBACK(display_mark), w, 0);
>               gtk_widget_show(w->toplevel);
>               update_auto_usbredir_sensitive(conn);
> +            update_nbd_sensitive(conn);
>           }
>       }
>
> @@ -1475,6 +1543,7 @@ static void port_opened(SpiceChannel *channel, GParamSpec *pspec,
>           /* only send a break event and disconnect */
>           if (g_strcmp0(name, "org.spice.spicy.break") == 0) {
>               spice_port_event(port, SPICE_PORT_EVENT_BREAK);
> +            spice_channel_flush_async(channel, NULL, port_flushed_cb, conn);
>           }
>
>           /* handle the first spicy port and connect it to stdin/out */
> @@ -1486,7 +1555,6 @@ static void port_opened(SpiceChannel *channel, GParamSpec *pspec,
>           if (port == stdin_port)
>               goto end;
>
> -        spice_channel_flush_async(channel, NULL, port_flushed_cb, conn);
>       } else {
>           if (port == stdin_port)
>               stdin_port = NULL;
> @@ -1565,6 +1633,15 @@ static void channel_new(SpiceSession *s, SpiceChannel *channel, gpointer data)
>                            G_CALLBACK(port_data), conn);
>           spice_channel_connect(channel);
>       }
> +
> +    if (SPICE_IS_NBD_CHANNEL(channel)) {
> +        SpiceNbdChannel *nbd = SPICE_NBD_CHANNEL(channel);
> +        update_nbd_sensitive(conn);
> +        SPICE_DEBUG("new nbd channel");
> +        conn->nbd_channel = nbd;
> +        spice_channel_connect(channel);
> +        update_nbd_export(conn, nbd_file);
> +    }
>   }
>
>   static void channel_destroy(SpiceSession *s, SpiceChannel *channel, gpointer data)
> @@ -1593,6 +1670,10 @@ static void channel_destroy(SpiceSession *s, SpiceChannel *channel, gpointer dat
>           update_auto_usbredir_sensitive(conn);
>       }
>
> +    if (SPICE_IS_NBD_CHANNEL(channel)) {
> +        update_nbd_sensitive(conn);
> +    }
> +
>       if (SPICE_IS_PORT_CHANNEL(channel)) {
>           if (SPICE_PORT_CHANNEL(channel) == stdin_port)
>               stdin_port = NULL;
> @@ -1693,6 +1774,12 @@ static GOptionEntry cmd_entries[] = {
>           .description      = N_("Set the window title"),
>           .arg_description  = N_("<title>"),
>       },{
> +        .long_name        = "nbd-file",
> +        .arg              = G_OPTION_ARG_FILENAME,
> +        .arg_data         = &nbd_file,
> +        .description      = N_("image file (for NBD channels)"),
> +        .arg_description  = N_("<FILE>"),
> +    },{
>           /* end of list */
>       }
>   };
> @@ -1888,6 +1975,7 @@ int main(int argc, char *argv[])
>       g_key_file_free(keyfile);
>
>       g_free(spicy_title);
> +    g_free(nbd_file);
>
>       setup_terminal(true);
>       return 0;
>


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