src/dumm/dumm.c

   1 #include <sys/stat.h>
   2
   3 #include <debug.h>
   4
   5 #include "dumm.h"
   6
   7 typedef struct private_dumm_t private_dumm_t;
   8
   9 struct private_dumm_t {
  10         dumm_t public;
  11         linked_list_t *guests;
  12 };
  13
  14 static guest_t* start_guest(private_dumm_t *this, char *name, char *kernel,
  15                                                         char *master, int mem)
  16 {
  17         guest_t *guest;
  18
  19         guest = guest_create(name, kernel, master, mem);
  20         if (guest)
  21         {
  22                 if (guest->start(guest))
  23                 {
  24                         this->guests->insert_last(this->guests, guest);
  25                         return guest;
  26                 }
  27                 guest->destroy(guest);
  28         }
  29         return NULL;
  30 }
  31
  32 static iterator_t* create_guest_iterator(private_dumm_t *this)
  33 {
  34         return this->guests->create_iterator(this->guests, TRUE);
  35 }
  36
  37 static void destroy(private_dumm_t *this)
  38 {
  39         this->guests->destroy_offset(this->guests, offsetof(guest_t, destroy));
  40         free(this);
  41 }
  42
  43 /**
  44  * check for a directory, create if it does not exist
  45  */
  46 static bool makedir(char *dir)
  47 {
  48         struct stat st;
  49
  50         if (stat(dir, &st) != 0)
  51         {
  52                 return mkdir(dir, S_IRWXU) == 0;
  53         }
  54         return S_ISDIR(st.st_mode);
  55 }
  56
  57 dumm_t *dumm_create()
  58 {
  59         private_dumm_t *this = malloc_thing(private_dumm_t);
  60
  61         this->public.start_guest = (void*)start_guest;
  62         this->public.create_guest_iterator = (void*)create_guest_iterator;
  63         this->public.destroy = (void*)destroy;
  64
  65         if (!makedir(HOST_DIR) || !makedir(MOUNT_DIR) || !makedir(RUN_DIR))
  66         {
  67                 free(this);
  68                 return NULL;
  69         }
  70
  71         this->guests = linked_list_create();
  72         return &this->public;
  73 }
  74