git.ozlabs.org Git - petitboot/blob - lib/pb-config/pb-config.c

   1
   2 #include <log/log.h>
   3 #include <types/types.h>
   4 #include <talloc/talloc.h>
   5
   6 #include "pb-config.h"
   7
   8 #include "storage.h"
   9
  10 static struct config            *config;
  11 static struct config_storage    *storage;
  12
  13
  14 static void config_set_defaults(struct config *config)
  15 {
  16         config->autoboot_enabled = true;
  17         config->autoboot_timeout_sec = 10;
  18         config->network.interfaces = NULL;
  19         config->network.n_interfaces = 0;
  20         config->network.dns_servers = NULL;
  21         config->network.n_dns_servers = 0;
  22
  23         config->n_boot_priorities = 2;
  24         config->boot_priorities = talloc_array(config, struct boot_priority,
  25                                                 config->n_boot_priorities);
  26         config->boot_priorities[0].type = DEVICE_TYPE_NETWORK;
  27         config->boot_priorities[1].type = DEVICE_TYPE_DISK;
  28
  29 }
  30
  31 static void dump_config(struct config *config)
  32 {
  33         int i;
  34
  35         pb_log("configuration:\n");
  36
  37         if (config->autoboot_enabled)
  38                 pb_log(" autoboot: enabled, %d sec\n",
  39                                 config->autoboot_timeout_sec);
  40         else
  41                 pb_log(" autoboot: disabled\n");
  42
  43         if (config->network.n_interfaces || config->network.n_dns_servers)
  44                 pb_log(" network configuration:\n");
  45
  46         for (i = 0; i < config->network.n_interfaces; i++) {
  47                 struct interface_config *ifconf =
  48                         config->network.interfaces[i];
  49
  50                 pb_log("  interface %02x:%02x:%02x:%02x:%02x:%02x\n",
  51                                 ifconf->hwaddr[0], ifconf->hwaddr[1],
  52                                 ifconf->hwaddr[2], ifconf->hwaddr[3],
  53                                 ifconf->hwaddr[4], ifconf->hwaddr[5]);
  54
  55                 if (ifconf->ignore) {
  56                         pb_log("   ignore\n");
  57                         continue;
  58                 }
  59
  60                 if (ifconf->method == CONFIG_METHOD_DHCP) {
  61                         pb_log("   dhcp\n");
  62
  63                 } else if (ifconf->method == CONFIG_METHOD_STATIC) {
  64                         pb_log("   static:\n");
  65                         pb_log("    ip:  %s\n", ifconf->static_config.address);
  66                         pb_log("    gw:  %s\n", ifconf->static_config.gateway);
  67
  68                 }
  69         }
  70         for (i = 0; i < config->network.n_dns_servers; i++)
  71                 pb_log("  dns server %s\n", config->network.dns_servers[i]);
  72 }
  73
  74 int config_init(void *ctx)
  75 {
  76         config = talloc(ctx, struct config);
  77         config_set_defaults(config);
  78
  79         storage = create_powerpc_nvram_storage(config);
  80
  81         storage->load(storage, config);
  82
  83         dump_config(config);
  84
  85         return 0;
  86 }
  87
  88 /* A non-exported function to allow the test infrastructure to initialise
  89  * (and change) the configuration variables */
  90 struct parser_test;
  91 struct config __attribute__((unused)) *test_config_init(
  92                 struct parser_test *test);
  93 struct config *test_config_init(struct parser_test *test)
  94 {
  95         config = talloc(test, struct config);
  96         config_set_defaults(config);
  97         return config;
  98 }
  99
 100 const struct config *config_get(void)
 101 {
 102         return config;
 103 }
 104
 105 void config_set_autoboot(bool autoboot_enabled)
 106 {
 107         config->autoboot_enabled = autoboot_enabled;
 108
 109         pb_log("set autoboot: %s\n",
 110                         config->autoboot_enabled ? "enabled" : "disabled");
 111 }
 112
 113 int config_fini(void)
 114 {
 115         talloc_free(config);
 116         return 0;
 117 }