regenerate.c

   1 #include <unistd.h>
   2 #include "files.h"
   3 #include "log.h"
   4 #include "maps.h"
   5 #include "net.h"
   6 #include "params.h"
   7 #include "random.h"
   8 #include "shm.h"
   9 #include "trinity.h"
  10
  11 static void do_sso_sockets(void)
  12 {
  13         struct sockopt so = { 0, 0, 0, 0 };
  14         unsigned int i;
  15         int fd, ret;
  16
  17         for (i = 0; i < nr_sockets; i++) {
  18                 fd = shm->sockets[i].fd;
  19                 do_setsockopt(&so);
  20                 ret = setsockopt(fd, so.level, so.optname, (void *)so.optval, so.optlen);
  21                 if (ret == 0)
  22                         output(1, "Setsockopt(%lx %lx %lx %lx) on fd %d\n",
  23                                 so.level, so.optname, so.optval, so.optlen, fd);
  24 //              else
  25 //                      output(1, "sso failed %s\n", strerror(errno));
  26         }
  27 }
  28
  29 void regenerate(void)
  30 {
  31         if (no_files == TRUE)   /* We don't regenerate sockets */
  32                 return;
  33
  34         /* we're about to exit. */
  35         if (shm->spawn_no_more)
  36                 return;
  37
  38         shm->regenerating = TRUE;
  39
  40         sleep(1);       /* give children time to finish with fds. */
  41
  42         shm->regenerate = 0;
  43
  44         output(0, "Regenerating random pages, fd's etc.\n");
  45
  46         regenerate_fds();
  47
  48         /* Do random setsockopts on all network sockets. */
  49         do_sso_sockets();
  50
  51         destroy_maps();
  52         setup_maps();
  53
  54         generate_random_page(page_rand);
  55
  56         shm->regenerating = FALSE;
  57 }