git.ozlabs.org Git - petitboot/blob - discover/sysinfo.c

   1
   2 #include <string.h>
   3
   4 #include <talloc/talloc.h>
   5
   6 #include "discover-server.h"
   7 #include "sysinfo.h"
   8
   9 static struct system_info *sysinfo;
  10 static struct discover_server *server;
  11
  12 const struct system_info *system_info_get(void)
  13 {
  14         return sysinfo;
  15 }
  16
  17 void system_info_register_interface(unsigned int hwaddr_size, uint8_t *hwaddr,
  18                 const char *name)
  19 {
  20         struct interface_info *if_info;
  21         unsigned int i;
  22
  23         for (i = 0; i < sysinfo->n_interfaces; i++) {
  24                 if_info = sysinfo->interfaces[i];
  25
  26                 if (if_info->hwaddr_size != hwaddr_size)
  27                         continue;
  28
  29                 if (memcmp(if_info->hwaddr, hwaddr, hwaddr_size))
  30                         continue;
  31
  32                 /* update the name and we're done */
  33                 talloc_free(if_info->name);
  34                 if_info->name = talloc_strdup(if_info, name);
  35                 discover_server_notify_system_info(server, sysinfo);
  36                 return;
  37         }
  38
  39         if_info = talloc_zero(sysinfo, struct interface_info);
  40         if_info->hwaddr_size = hwaddr_size;
  41         if_info->hwaddr = talloc_memdup(if_info, hwaddr, hwaddr_size);
  42         if_info->name = talloc_strdup(if_info, name);
  43
  44         sysinfo->n_interfaces++;
  45         sysinfo->interfaces = talloc_realloc(sysinfo, sysinfo->interfaces,
  46                                                 struct interface_info *,
  47                                                 sysinfo->n_interfaces);
  48         sysinfo->interfaces[sysinfo->n_interfaces - 1] = if_info;
  49
  50         discover_server_notify_system_info(server, sysinfo);
  51 }
  52
  53 static void system_info_set_identifier(struct system_info *info
  54                 __attribute__((unused)))
  55 {
  56         /* todo: call helpers to set type & id */
  57 }
  58
  59 void system_info_init(struct discover_server *s)
  60 {
  61         sysinfo = talloc_zero(server, struct system_info);
  62         server = s;
  63         system_info_set_identifier(sysinfo);
  64 }