bluetooth/simplescan.c

   1 #include <stdio.h>
   2 #include <stdlib.h>
   3 #include <unistd.h>
   4 #include <sys/socket.h>
   5 #include <bluetooth/bluetooth.h>
   6 #include <bluetooth/hci.h>
   7 #include <bluetooth/hci_lib.h>
   8
   9 int main(void)
  10 {
  11         char addr[19];
  12         char name[248];
  13         inquiry_info *ii;
  14         int err, i, max_rsp, num_rsp;
  15         int dev_id, sock, len, flags;
  16
  17         dev_id = hci_get_route(NULL);
  18         if (dev_id < 0) {
  19                 perror("Error: Can't get route");
  20                 exit(1);
  21         }
  22
  23         sock = hci_open_dev(dev_id);
  24         if (sock < 0) {
  25                 perror("Error: Can't open device");
  26                 exit(1);
  27         }
  28
  29         len = 5;
  30         max_rsp = 5;
  31         flags = IREQ_CACHE_FLUSH;
  32
  33         ii = malloc(max_rsp * sizeof(inquiry_info));
  34         if (!ii) {
  35                 perror("malloc()");
  36                 exit(1);
  37         }
  38
  39         num_rsp = hci_inquiry(dev_id, len, max_rsp, NULL, &ii, flags);
  40         if (num_rsp < 0) {
  41                 perror("Can't inquiry devices");
  42                 free(ii);
  43                 exit(1);
  44         }
  45
  46         for (i = 0; i < num_rsp; i++) {
  47                 memset(name, '\0', sizeof(name));
  48                 err = hci_read_remote_name(sock, &(ii + i)->bdaddr,
  49                                            sizeof(name), name, 0);
  50                 if (err < 0)
  51                         strcpy(name, "[unknown]");
  52
  53                 ba2str(&(ii + i)->bdaddr, addr);
  54                 printf("%s %s\n", addr, name);
  55         }
  56
  57         free(ii);
  58         close(sock);
  59
  60         exit(1);
  61 }