/* *  Copyright (C) James R. Leu 2002 *  jleu@mindspring.com * *  This software is covered under the LGPL, for more *  info check out http://www.gnu.org/copyleft/lgpl.html */#include "lsr_struct.h"#include "lsr_insegment.h"#include "lsr_xconnect.h"#include "mpls_assert.h"#include "mpls_mm_impl.h"#include "mpls_trace_impl.h"uint32_t _lsr_insegment_next_index = 1;lsr_insegment *lsr_insegment_create(){  lsr_insegment *i = (lsr_insegment *) mpls_malloc(sizeof(lsr_insegment));  if (i) {    memset(i, 0, sizeof(lsr_insegment));    MPLS_REFCNT_INIT(i, 0);    MPLS_LIST_ELEM_INIT(i, _outsegment);    MPLS_LIST_ELEM_INIT(i, _global);    MPLS_LIST_INIT(&i->xconnect_root,lsr_xconnect);    i->index = _lsr_insegment_get_next_index();  }  return i;}void lsr_insegment_delete(lsr_insegment * i){  // LSR_PRINT(g->user_data,"if delete\n");  MPLS_REFCNT_ASSERT(i, 0);  mpls_free(i);}uint32_t _lsr_insegment_get_next_index(){  uint32_t retval = _lsr_insegment_next_index;  _lsr_insegment_next_index++;  if (retval > _lsr_insegment_next_index) {    _lsr_insegment_next_index = 1;  }  return retval;}mpls_return_enum lsr_insegment_add_xconnect(lsr_insegment *in, lsr_xconnect *x) {  if (in && x) {    MPLS_REFCNT_HOLD(x);    MPLS_LIST_ADD_HEAD(&in->xconnect_root, x, _insegment, lsr_xconnect);    _lsr_xconnect_add_insegment(x, in);    return MPLS_SUCCESS;  }  return MPLS_FAILURE;}mpls_return_enum lsr_insegment_del_xconnect(lsr_insegment *in, lsr_xconnect *x) {  if (in && x) {    MPLS_LIST_REMOVE(&in->xconnect_root, x, _insegment);    _lsr_xconnect_del_insegment(x);    MPLS_REFCNT_RELEASE(x, lsr_xconnect_delete);    return MPLS_SUCCESS;  }  return MPLS_FAILURE;}