rsvpte/rsvpte_if.c

   1 /*
   2  *  Copyright (C) James R. Leu 2003
   3  *  jleu@mindspring.com
   4  *
   5  *  This software is covered under the LGPL, for more
   6  *  info check out http://www.gnu.org/copyleft/lgpl.html
   7  */
   8
   9 #include "rsvpte_struct.h"
  10 #include "rsvpte_if.h"
  11
  12 #include "mpls_assert.h"
  13 #include "mpls_mm_impl.h"
  14 #include "mpls_socket_impl.h"
  15 #include "mpls_timer_impl.h"
  16 #include "mpls_ifmgr_impl.h"
  17 #include "mpls_trace_impl.h"
  18
  19 uint32_t _rsvpte_if_next_index = 1;
  20
  21 rsvpte_if *rsvpte_if_create()
  22 {
  23   rsvpte_if *i = (rsvpte_if *) mpls_malloc(sizeof(rsvpte_if));
  24
  25   if (i) {
  26     memset(i, 0, sizeof(rsvpte_if));
  27     MPLS_REFCNT_INIT(i, 0);
  28     MPLS_LIST_ELEM_INIT(i, _global);
  29     i->label_space = -1;
  30     i->index = _rsvpte_if_get_next_index();
  31     i->oper_state = MPLS_OPER_DOWN;
  32     i->admin_state = MPLS_ADMIN_DISABLE;
  33   }
  34   return i;
  35 }
  36
  37 void rsvpte_if_delete(rsvpte_if * i)
  38 {
  39   LDP_PRINT(g->user_data,"if delete\n");
  40   MPLS_REFCNT_ASSERT(i, 0);
  41   mpls_free(i);
  42 }
  43
  44 mpls_return_enum rsvpte_if_startup(rsvpte_global * g, rsvpte_if * i)
  45 {
  46   LDP_ENTER(g->user_data, "rsvpte_if_startup");
  47
  48   MPLS_ASSERT(i != NULL);
  49
  50   i->oper_state = MPLS_OPER_UP;
  51   i->admin_state = MPLS_ADMIN_ENABLE;
  52
  53   LDP_EXIT(g->user_data, "rsvpte_if_startup");
  54
  55   return MPLS_SUCCESS;
  56
  57   /*
  58    * when a interface update comes in, it will search the global
  59    * list of interfaces, and start up the interface then
  60    */
  61   i->oper_state = MPLS_OPER_DOWN;
  62
  63   LDP_EXIT(g->user_data, "rsvpte_if_startup-delayed");
  64
  65   return MPLS_SUCCESS;
  66 }
  67
  68 mpls_return_enum rsvpte_if_shutdown(rsvpte_global * g, rsvpte_if * i)
  69 {
  70   MPLS_ASSERT(i != NULL);
  71
  72   LDP_ENTER(g->user_data, "rsvpte_if_shutdown");
  73
  74   i->oper_state = MPLS_OPER_DOWN;
  75   i->admin_state = MPLS_ADMIN_DISABLE;
  76
  77   LDP_EXIT(g->user_data, "rsvpte_if_shutdown");
  78
  79   return MPLS_SUCCESS;
  80 }
  81
  82 uint32_t _rsvpte_if_get_next_index()
  83 {
  84   uint32_t retval = _rsvpte_if_next_index;
  85
  86   _rsvpte_if_next_index++;
  87   if (retval > _rsvpte_if_next_index) {
  88     _rsvpte_if_next_index = 1;
  89   }
  90   return retval;
  91 }
  92
  93 mpls_bool rsvpte_if_is_active(rsvpte_if * i)
  94 {
  95   MPLS_ASSERT(i);
  96   if (i->oper_state == MPLS_OPER_UP)
  97     return MPLS_BOOL_TRUE;
  98
  99   return MPLS_BOOL_FALSE;
 100 }