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Diffstat (limited to 'gpxe/src/usr/imgmgmt.c')
-rw-r--r-- | gpxe/src/usr/imgmgmt.c | 127 |
1 files changed, 127 insertions, 0 deletions
diff --git a/gpxe/src/usr/imgmgmt.c b/gpxe/src/usr/imgmgmt.c new file mode 100644 index 00000000..bead4867 --- /dev/null +++ b/gpxe/src/usr/imgmgmt.c @@ -0,0 +1,127 @@ +/* + * Copyright (C) 2007 Michael Brown <mbrown@fensystems.co.uk>. + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License as + * published by the Free Software Foundation; either version 2 of the + * License, or any later version. + * + * This program is distributed in the hope that it will be useful, but + * WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. + */ + +#include <stdint.h> +#include <stdlib.h> +#include <stdio.h> +#include <errno.h> +#include <gpxe/image.h> +#include <gpxe/downloader.h> +#include <gpxe/monojob.h> +#include <gpxe/open.h> +#include <gpxe/uri.h> +#include <usr/imgmgmt.h> + +/** @file + * + * Image management + * + */ + +/** + * Fetch an image + * + * @v uri_string URI as a string (e.g. "http://www.nowhere.com/vmlinuz") + * @v name Name for image, or NULL + * @v register_image Image registration routine + * @ret rc Return status code + */ +int imgfetch ( struct image *image, const char *uri_string, + int ( * image_register ) ( struct image *image ) ) { + struct uri *uri; + int rc; + + if ( ! ( uri = parse_uri ( uri_string ) ) ) + return -ENOMEM; + + image_set_uri ( image, uri ); + + if ( ( rc = create_downloader ( &monojob, image, image_register, + LOCATION_URI, uri ) ) == 0 ) + rc = monojob_wait ( uri_string ); + + uri_put ( uri ); + return rc; +} + +/** + * Load an image + * + * @v image Image + * @ret rc Return status code + */ +int imgload ( struct image *image ) { + int rc; + + /* Try to load image */ + if ( ( rc = image_autoload ( image ) ) != 0 ) + return rc; + + return 0; +} + +/** + * Execute an image + * + * @v image Image + * @ret rc Return status code + */ +int imgexec ( struct image *image ) { + return image_exec ( image ); +} + +/** + * Identify the first loaded image + * + * @ret image Image, or NULL + */ +struct image * imgautoselect ( void ) { + struct image *image; + + for_each_image ( image ) { + if ( image->flags & IMAGE_LOADED ) + return image; + } + + return NULL; +} + +/** + * Display status of an image + * + * @v image Executable/loadable image + */ +void imgstat ( struct image *image ) { + printf ( "%s: %zd bytes", image->name, image->len ); + if ( image->type ) + printf ( " [%s]", image->type->name ); + if ( image->flags & IMAGE_LOADED ) + printf ( " [LOADED]" ); + if ( image->cmdline ) + printf ( " \"%s\"", image->cmdline ); + printf ( "\n" ); +} + +/** + * Free an image + * + * @v image Executable/loadable image + */ +void imgfree ( struct image *image ) { + unregister_image ( image ); +} |