Add qemu 2.4.0

[kvmfornfv.git] / qemu / roms / ipxe / src / usr / imgmgmt.c

diff --git a/qemu/roms/ipxe/src/usr/imgmgmt.c b/qemu/roms/ipxe/src/usr/imgmgmt.c
new file mode 100644 (file)
index 0000000..c9c5716
--- /dev/null
+++ b/qemu/roms/ipxe/src/usr/imgmgmt.c
@@ -0,0 +1,166 @@
+/*
+ * 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., 51 Franklin Street, Fifth Floor, Boston, MA
+ * 02110-1301, USA.
+ */
+
+FILE_LICENCE ( GPL2_OR_LATER );
+
+#include <stdint.h>
+#include <stdlib.h>
+#include <stdio.h>
+#include <errno.h>
+#include <ipxe/image.h>
+#include <ipxe/downloader.h>
+#include <ipxe/monojob.h>
+#include <ipxe/open.h>
+#include <ipxe/uri.h>
+#include <usr/imgmgmt.h>
+
+/** @file
+ *
+ * Image management
+ *
+ */
+
+/**
+ * Download a new image
+ *
+ * @v uri              URI
+ * @v timeout          Download timeout
+ * @v image            Image to fill in
+ * @ret rc             Return status code
+ */
+int imgdownload ( struct uri *uri, unsigned long timeout,
+                 struct image **image ) {
+       const char *password;
+       char *uri_string_redacted;
+       int rc;
+
+       /* Construct redacted URI */
+       password = uri->password;
+       if ( password )
+               uri->password = "***";
+       uri_string_redacted = format_uri_alloc ( uri );
+       uri->password = password;
+       if ( ! uri_string_redacted ) {
+               rc = -ENOMEM;
+               goto err_uri_string;
+       }
+
+       /* Resolve URI */
+       uri = resolve_uri ( cwuri, uri );
+       if ( ! uri ) {
+               rc = -ENOMEM;
+               goto err_resolve_uri;
+       }
+
+       /* Allocate image */
+       *image = alloc_image ( uri );
+       if ( ! *image ) {
+               rc = -ENOMEM;
+               goto err_alloc_image;
+       }
+
+       /* Create downloader */
+       if ( ( rc = create_downloader ( &monojob, *image ) ) != 0 ) {
+               printf ( "Could not start download: %s\n", strerror ( rc ) );
+               goto err_create_downloader;
+       }
+
+       /* Wait for download to complete */
+       if ( ( rc = monojob_wait ( uri_string_redacted, timeout ) ) != 0 )
+               goto err_monojob_wait;
+
+       /* Register image */
+       if ( ( rc = register_image ( *image ) ) != 0 ) {
+               printf ( "Could not register image: %s\n", strerror ( rc ) );
+               goto err_register_image;
+       }
+
+ err_register_image:
+ err_monojob_wait:
+ err_create_downloader:
+       image_put ( *image );
+ err_alloc_image:
+       uri_put ( uri );
+ err_resolve_uri:
+       free ( uri_string_redacted );
+ err_uri_string:
+       return rc;
+}
+
+/**
+ * Download a new image
+ *
+ * @v uri_string       URI string
+ * @v timeout          Download timeout
+ * @v image            Image to fill in
+ * @ret rc             Return status code
+ */
+int imgdownload_string ( const char *uri_string, unsigned long timeout,
+                        struct image **image ) {
+       struct uri *uri;
+       int rc;
+
+       if ( ! ( uri = parse_uri ( uri_string ) ) )
+               return -ENOMEM;
+
+       rc = imgdownload ( uri, timeout, image );
+
+       uri_put ( uri );
+       return rc;
+}
+
+/**
+ * Acquire an image
+ *
+ * @v name_uri         Name or URI string
+ * @v timeout          Download timeout
+ * @v image            Image to fill in
+ * @ret rc             Return status code
+ */
+int imgacquire ( const char *name_uri, unsigned long timeout,
+                struct image **image ) {
+
+       /* If we already have an image with the specified name, use it */
+       *image = find_image ( name_uri );
+       if ( *image )
+               return 0;
+
+       /* Otherwise, download a new image */
+       return imgdownload_string ( name_uri, timeout, image );
+}
+
+/**
+ * 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_TRUSTED )
+               printf ( " [TRUSTED]" );
+       if ( image->flags & IMAGE_SELECTED )
+               printf ( " [SELECTED]" );
+       if ( image->flags & IMAGE_AUTO_UNREGISTER )
+               printf ( " [AUTOFREE]" );
+       if ( image->cmdline )
+               printf ( " \"%s\"", image->cmdline );
+       printf ( "\n" );
+}