pb-config: Move config storage modules to "platform" modules in discover code
[petitboot] / lib / pb-config / pb-config.c
index 40bc39fc516a36da4593899cbe762bd36d26162d..35008cc8c823afdf095fb2ffc319c0b828979b63 100644 (file)
 
+#include <string.h>
+
 #include <log/log.h>
 #include <types/types.h>
 #include <talloc/talloc.h>
 
 #include "pb-config.h"
 
-#include "storage.h"
-
-void                           *config_ctx;
-static struct config           *config;
-static struct config_storage   *storage;
-
-
-void config_set_defaults(struct config *config)
+static struct interface_config *config_copy_interface(struct config *ctx,
+               struct interface_config *src)
 {
-       config->autoboot_enabled = true;
-       config->autoboot_timeout_sec = 10;
-       config->network.interfaces = NULL;
-       config->network.n_interfaces = 0;
-       config->network.dns_servers = NULL;
-       config->network.n_dns_servers = 0;
-
-       config->n_boot_priorities = 2;
-       config->boot_priorities = talloc_array(config, struct boot_priority,
-                                               config->n_boot_priorities);
-       config->boot_priorities[0].type = DEVICE_TYPE_NETWORK;
-       config->boot_priorities[1].type = DEVICE_TYPE_DISK;
-
-}
-
-void dump_config(struct config *config);
-void dump_config(struct config *config)
-{
-       unsigned int i;
+       struct interface_config *dest = talloc(ctx, struct interface_config);
 
-       pb_log("configuration:\n");
+       memcpy(dest->hwaddr, src->hwaddr, sizeof(src->hwaddr));
+       dest->ignore = src->ignore;
 
-       if (config->autoboot_enabled)
-               pb_log(" autoboot: enabled, %d sec\n",
-                               config->autoboot_timeout_sec);
-       else
-               pb_log(" autoboot: disabled\n");
+       if (dest->ignore)
+               return dest;
 
-       if (config->network.n_interfaces || config->network.n_dns_servers)
-               pb_log(" network configuration:\n");
+       dest->method = src->method;
 
-       for (i = 0; i < config->network.n_interfaces; i++) {
-               struct interface_config *ifconf =
-                       config->network.interfaces[i];
-
-               pb_log("  interface %02x:%02x:%02x:%02x:%02x:%02x\n",
-                               ifconf->hwaddr[0], ifconf->hwaddr[1],
-                               ifconf->hwaddr[2], ifconf->hwaddr[3],
-                               ifconf->hwaddr[4], ifconf->hwaddr[5]);
-
-               if (ifconf->ignore) {
-                       pb_log("   ignore\n");
-                       continue;
-               }
-
-               if (ifconf->method == CONFIG_METHOD_DHCP) {
-                       pb_log("   dhcp\n");
-
-               } else if (ifconf->method == CONFIG_METHOD_STATIC) {
-                       pb_log("   static:\n");
-                       pb_log("    ip:  %s\n", ifconf->static_config.address);
-                       pb_log("    gw:  %s\n", ifconf->static_config.gateway);
-
-               }
+       switch (src->method) {
+       case CONFIG_METHOD_DHCP:
+               break;
+       case CONFIG_METHOD_STATIC:
+               dest->static_config.address =
+                       talloc_strdup(dest, src->static_config.address);
+               dest->static_config.gateway =
+                       talloc_strdup(dest, src->static_config.gateway);
+               break;
        }
-       for (i = 0; i < config->network.n_dns_servers; i++)
-               pb_log("  dns server %s\n", config->network.dns_servers[i]);
-}
-
-int config_init(void *ctx)
-{
-       config_ctx = talloc_new(ctx);
 
-       config = talloc(config_ctx, struct config);
-       config_set_defaults(config);
-
-       storage = create_powerpc_nvram_storage(config);
-
-       storage->load(storage, config);
-
-       dump_config(config);
-
-       return 0;
+       return dest;
 }
 
-int config_set(struct config *newconfig)
+struct config *config_copy(void *ctx, const struct config *src)
 {
-       int rc;
-
-       if (!storage || !storage->save)
-               return -1;
+       struct config *dest;
+       unsigned int i;
 
-       if (newconfig == config)
-               return 0;
+       dest = talloc(ctx, struct config);
+       dest->autoboot_enabled = src->autoboot_enabled;
+       dest->autoboot_timeout_sec = src->autoboot_timeout_sec;
 
-       pb_log("new configuration data received\n");
-       dump_config(config);
+       dest->network.n_interfaces = src->network.n_interfaces;
+       dest->network.interfaces = talloc_array(dest, struct interface_config *,
+                                       dest->network.n_interfaces);
+       dest->network.n_dns_servers = src->network.n_dns_servers;
+       dest->network.dns_servers = talloc_array(dest, const char *,
+                                       dest->network.n_dns_servers);
 
-       rc = storage->save(storage, config);
+       for (i = 0; i < src->network.n_interfaces; i++)
+               dest->network.interfaces[i] = config_copy_interface(dest,
+                               src->network.interfaces[i]);
 
-       if (!rc)
-               config = talloc_steal(config_ctx, newconfig);
-       else
-               pb_log("error saving new configuration; changes lost\n");
+       for (i = 0; i < src->network.n_dns_servers; i++)
+               dest->network.dns_servers[i] = talloc_strdup(dest,
+                               src->network.dns_servers[i]);
 
-       return rc;
-}
+       dest->n_boot_priorities = src->n_boot_priorities;
+       dest->boot_priorities = talloc_array(dest, struct boot_priority,
+                       src->n_boot_priorities);
 
-/* A non-exported function to allow the test infrastructure to initialise
- * (and change) the configuration variables */
-struct parser_test;
-struct config __attribute__((unused)) *test_config_init(
-               struct parser_test *test);
-struct config *test_config_init(struct parser_test *test)
-{
-       config = talloc(test, struct config);
-       config_set_defaults(config);
-       return config;
-}
+       for (i = 0; i < src->n_boot_priorities; i++)
+               dest->boot_priorities[i].type = src->boot_priorities[i].type;
 
-const struct config *config_get(void)
-{
-       return config;
-}
-
-void config_set_autoboot(bool autoboot_enabled)
-{
-       config->autoboot_enabled = autoboot_enabled;
-
-       pb_log("set autoboot: %s\n",
-                       config->autoboot_enabled ? "enabled" : "disabled");
-}
-
-int config_fini(void)
-{
-       talloc_free(config_ctx);
-       return 0;
+       return dest;
 }