discover: Change parsers to emit resources rather than filenames
[petitboot] / discover / yaboot-parser.c
index 7fedf20f13963434abe1729f118aabc262244fbf..0a66e8d588241d69b66a9fc3d1119edce7f3c38a 100644 (file)
@@ -9,11 +9,11 @@
 #include "types/types.h"
 #include "parser-conf.h"
 #include "parser-utils.h"
-#include "paths.h"
+#include "resource.h"
 
 struct yaboot_state {
        struct discover_boot_option *opt;
-       const char *desc_image;
+       char *desc_image;
        char *desc_initrd;
        int globals_done;
        const char *const *known_names;
@@ -56,11 +56,40 @@ static void yaboot_finish(struct conf_context *conf)
        state->opt->option->boot_args = talloc_strdup(state->opt->option, "");
 }
 
+static struct resource *create_yaboot_devpath_resource(
+               struct conf_context *conf,
+               const char *path, char **desc_str)
+{
+       const char *g_boot = conf_get_global_option(conf, "boot");
+       const char *g_part = conf_get_global_option(conf, "partition");
+       struct resource *res;
+       char *devpath;
+
+       if (g_boot && g_part) {
+               devpath = talloc_asprintf(conf,
+                               "%s%s:%s", g_boot, g_part, path);
+       } else if (g_boot) {
+               devpath = talloc_asprintf(conf, "%s:%s", g_boot, path);
+       } else {
+               devpath = talloc_strdup(conf, path);
+       }
+
+       res = create_devpath_resource(conf->dc, conf->dc->device, devpath);
+
+       if (desc_str)
+               *desc_str = devpath;
+       else
+               talloc_free(devpath);
+
+       return res;
+}
+
+
 static void yaboot_process_pair(struct conf_context *conf, const char *name,
                char *value)
 {
        struct yaboot_state *state = conf->parser_info;
-       struct boot_option *opt = state->opt->option;
+       struct discover_boot_option *opt = state->opt;
        struct fixed_pair {
                const char *image;
                const char *initrd;
@@ -91,35 +120,14 @@ static void yaboot_process_pair(struct conf_context *conf, const char *name,
        /* image */
 
        if (streq(name, "image")) {
-               const char *g_boot = conf_get_global_option(conf, "boot");
-               const char *g_part = conf_get_global_option(conf, "partition");
 
                /* First finish any previous image. */
-
-               if (opt->boot_image_file)
+               if (opt->boot_image)
                        yaboot_finish(conf);
 
                /* Then start the new image. */
-
-               if (g_boot && g_part) {
-                       char* dev = talloc_asprintf(NULL, "%s%s", g_boot,
-                               g_part);
-
-                       opt->boot_image_file = resolve_path(opt,
-                               value, dev);
-                       state->desc_image = talloc_asprintf(opt,
-                               "%s%s", dev, value);
-                       talloc_free(dev);
-               } else if (g_boot) {
-                       opt->boot_image_file = resolve_path(opt,
-                               value, g_boot);
-                       state->desc_image = talloc_asprintf(opt,
-                               "%s%s", g_boot, value);
-               } else {
-                       opt->boot_image_file = resolve_path(opt,
-                               value, conf->dc->device->device_path);
-                       state->desc_image = talloc_strdup(opt, value);
-               }
+               opt->boot_image = create_yaboot_devpath_resource(conf,
+                               value, &state->desc_image);
 
                return;
        }
@@ -136,31 +144,33 @@ static void yaboot_process_pair(struct conf_context *conf, const char *name,
        if (suse_fp) {
                /* First finish any previous image. */
 
-               if (opt->boot_image_file)
+               if (opt->boot_image)
                        yaboot_finish(conf);
 
                /* Then start the new image. */
 
                if (*value == '/') {
-                       opt->boot_image_file = resolve_path(opt,
-                               value, conf->dc->device->device_path);
-                       state->desc_image = talloc_strdup(opt, value);
+                       opt->boot_image = create_yaboot_devpath_resource(
+                                       conf, value, &state->desc_image);
                } else {
-                       opt->boot_image_file = resolve_path(opt,
-                               suse_fp->image, conf->dc->device->device_path);
-                       state->desc_image = talloc_strdup(opt,
-                               suse_fp->image);
-
-                       opt->initrd_file = resolve_path(opt,
-                               suse_fp->initrd, conf->dc->device->device_path);
-                       state->desc_initrd = talloc_asprintf(state, "initrd=%s",
-                               suse_fp->initrd);
+                       char *tmp;
+
+                       opt->boot_image = create_yaboot_devpath_resource(
+                                       conf, suse_fp->image,
+                                       &state->desc_image);
+
+                       opt->initrd = create_yaboot_devpath_resource(
+                                       conf, suse_fp->initrd, &tmp);
+
+                       state->desc_initrd = talloc_asprintf(opt,
+                               "initrd=%s", tmp);
+                       talloc_free(tmp);
                }
 
                return;
        }
 
-       if (!opt->boot_image_file) {
+       if (!opt->boot_image) {
                pb_log("%s: unknown name: %s\n", __func__, name);
                return;
        }
@@ -168,86 +178,66 @@ static void yaboot_process_pair(struct conf_context *conf, const char *name,
        /* initrd */
 
        if (streq(name, "initrd")) {
-               const char *g_boot = conf_get_global_option(conf, "boot");
-               const char *g_part = conf_get_global_option(conf, "partition");
-
-               if (g_boot && g_part) {
-                       char* dev = talloc_asprintf(NULL, "%s%s", g_boot,
-                               g_part);
-
-                       opt->initrd_file = resolve_path(opt,
-                               value, dev);
-                       state->desc_initrd = talloc_asprintf(state,
-                               "initrd=%s%s", dev, value);
-                       talloc_free(dev);
-               } else if (g_boot) {
-                       opt->initrd_file = resolve_path(opt,
-                               value, g_boot);
-                       state->desc_initrd = talloc_asprintf(state,
-                               "initrd=%s%s", g_boot, value);
-               } else {
-                       opt->initrd_file = resolve_path(opt,
-                               value, conf->dc->device->device_path);
-                       state->desc_initrd = talloc_asprintf(state, "initrd=%s",
-                               value);
-               }
+               opt->initrd = create_yaboot_devpath_resource(conf,
+                               value, &state->desc_image);
+
                return;
        }
 
        /* label */
 
        if (streq(name, "label")) {
-               opt->id = talloc_asprintf(opt, "%s#%s",
+               opt->option->id = talloc_asprintf(opt->option, "%s#%s",
                        conf->dc->device->device->id, value);
-               opt->name = talloc_strdup(opt, value);
+               opt->option->name = talloc_strdup(opt->option, value);
                return;
        }
 
        /* args */
 
        if (streq(name, "append")) {
-               opt->boot_args = talloc_asprintf_append(
-                       opt->boot_args, "%s ", value);
+               opt->option->boot_args = talloc_asprintf_append(
+                       opt->option->boot_args, "%s ", value);
                return;
        }
 
        if (streq(name, "initrd-size")) {
-               opt->boot_args = talloc_asprintf_append(
-                       opt->boot_args, "ramdisk_size=%s ", value);
+               opt->option->boot_args = talloc_asprintf_append(
+                       opt->option->boot_args, "ramdisk_size=%s ", value);
                return;
        }
 
        if (streq(name, "literal")) {
-               if (*opt->boot_args) {
+               if (*opt->option->boot_args) {
                        pb_log("%s: literal over writes '%s'\n", __func__,
-                               opt->boot_args);
-                       talloc_free(opt->boot_args);
+                               opt->option->boot_args);
+                       talloc_free(opt->option->boot_args);
                }
-               talloc_asprintf(opt, "%s ", value);
+               talloc_asprintf(opt->option, "%s ", value);
                return;
        }
 
        if (streq(name, "ramdisk")) {
-               opt->boot_args = talloc_asprintf_append(
-                       opt->boot_args, "ramdisk=%s ", value);
+               opt->option->boot_args = talloc_asprintf_append(
+                       opt->option->boot_args, "ramdisk=%s ", value);
                return;
        }
 
        if (streq(name, "read-only")) {
-               opt->boot_args = talloc_asprintf_append(
-                       opt->boot_args, "ro ");
+               opt->option->boot_args = talloc_asprintf_append(
+                       opt->option->boot_args, "ro ");
                return;
        }
 
        if (streq(name, "read-write")) {
-               opt->boot_args = talloc_asprintf_append(
-                       opt->boot_args, "rw ");
+               opt->option->boot_args = talloc_asprintf_append(
+                       opt->option->boot_args, "rw ");
                return;
        }
 
        if (streq(name, "root")) {
-               opt->boot_args = talloc_asprintf_append(
-                       opt->boot_args, "root=%s ", value);
+               opt->option->boot_args = talloc_asprintf_append(
+                       opt->option->boot_args, "root=%s ", value);
                return;
        }