示例#1
0
文件: hash_spec.c 项目: troy2914/irrd
/* put a series of object offsets/lengths from a linked list */
void util_put_ll_objs (LINKED_LIST *ll, char **cp) {
  objlist_t *obj_p;
  u_short _type;
  char *c = *cp;

  LL_Iterate (ll, obj_p) {
    UTIL_PUT_NETLONG  (obj_p->offset, c); 
    UTIL_PUT_NETLONG  (obj_p->len, c);
    _type = (u_short) obj_p->type;
    UTIL_PUT_NETSHORT (_type, c); /* type */
  }
示例#2
0
/* ospf_send_database
 */
int ospf_send_database (ospf_neighbor_t *neighbor) {
  u_char buf[1024], *cp = buf;
  u_short length, checksum;
  ospf_interface_t *ospf_interface = neighbor->ospf_interface;
  
  memset (buf, 0, 1023);
  UTIL_PUT_BYTE (OSPF_VERSION, cp);
  UTIL_PUT_BYTE (OSPF_DATABASE_DESCRIPTION, cp);
  cp += 2; /* skip length for now */
  UTIL_PUT_NETLONG (OSPF.router_id, cp);
  UTIL_PUT_NETLONG (ospf_interface->area->area_id, cp); 

  cp += 2; /* skip checksum for now */

  UTIL_PUT_NETSHORT (ospf_interface->authentication_type, cp);
  if (ospf_interface->authentication_type == OSPF_AUTH_NULL) {
    cp += 8; /* skip authentication */
  }
  if (ospf_interface->authentication_type == OSPF_AUTH_PASSWORD) {
    memcpy (cp, ospf_interface->password, 8);
    cp += 8; 
  }
  
  /* network mask */
  UTIL_PUT_NETSHORT (1500, cp); /* mtu */
  UTIL_PUT_BYTE (2, cp); /* options */

  /* build bits */
  UTIL_PUT_BYTE (neighbor->I_M_MS, cp); /* flags */

  UTIL_PUT_NETLONG (neighbor->dd_seq_num, cp);
  trace (NORM, OSPF.trace, "\n");
  if (ospf_interface->authentication_type == OSPF_AUTH_PASSWORD)
    trace (NORM, OSPF.trace, "Send OSPF Database password: %s\n", 
	   ospf_interface->password);
  trace (NORM, OSPF.trace, "Send OSPF Database seq: %d, options 0x%x, flags %s\n", 
	 neighbor->dd_seq_num, neighbor->options, 
	 ospf_neighbor_database_flags (neighbor->I_M_MS));


  /* no LSA header  for time being -- just doing exstart stuff
   * right now 
   */
  
  /* go back and fill in length */
  length = cp - buf;
  if (length % 2 != 0) {
    length++; /* pad */
  }

  cp = buf; cp += 2;
  UTIL_PUT_SHORT (length, cp);

  /* go back and checksum */
  cp = buf;
  checksum = in_cksum (cp, length);
  cp += 12;
  UTIL_PUT_NETSHORT (checksum, cp);

  packet_send_wire_unicast (neighbor->prefix, buf, length);
  /*packet_send_wire_multicast (OSPF_ALLSPFRouters, ospf_interface->interface, 
			      buf, length);*/

  return (1);
}