/* *  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_outsegment.h"#include "lsr_xconnect.h"#include "lsr_ftn.h"#include "lsr_if.h"#include "mpls_assert.h"#include "mpls_mm_impl.h"#include "mpls_trace_impl.h"uint32_t _lsr_outsegment_next_index = 1;lsr_outsegment *lsr_outsegment_create(){  lsr_outsegment *i = (lsr_outsegment *) mpls_malloc(sizeof(lsr_outsegment));  if (i) {    memset(i, 0, sizeof(lsr_outsegment));    MPLS_REFCNT_INIT(i, 0);    MPLS_LIST_ELEM_INIT(i, _global);    MPLS_LIST_ELEM_INIT(i, _if);    MPLS_LIST_INIT(&i->xconnect_root,lsr_xconnect);    MPLS_LIST_INIT(&i->ftn_root,lsr_ftn);    i->index = _lsr_outsegment_get_next_index();  }  return i;}void lsr_outsegment_delete(lsr_outsegment * i){  // LSR_PRINT(g->user_data,"if delete\n");  MPLS_REFCNT_ASSERT(i, 0);  mpls_free(i);}uint32_t _lsr_outsegment_get_next_index(){  uint32_t retval = _lsr_outsegment_next_index;  _lsr_outsegment_next_index++;  if (retval > _lsr_outsegment_next_index) {    _lsr_outsegment_next_index = 1;  }  return retval;}mpls_return_enum lsr_outsegment_add_xconnect(lsr_outsegment *out, lsr_xconnect *x) {  if (out && x) {    MPLS_REFCNT_HOLD(x);    MPLS_LIST_ADD_HEAD(&out->xconnect_root, x, _outsegment, lsr_xconnect);    _lsr_xconnect_add_outsegment(x, out);    return MPLS_SUCCESS;  }  return MPLS_FAILURE;}mpls_return_enum lsr_outsegment_del_xconnect(lsr_outsegment *out, lsr_xconnect *x) {  if (out && x) {    MPLS_LIST_REMOVE(&out->xconnect_root, x, _outsegment);    _lsr_xconnect_del_outsegment(x);    MPLS_REFCNT_RELEASE(x, lsr_xconnect_delete);    return MPLS_SUCCESS;  }  return MPLS_FAILURE;}mpls_return_enum _lsr_outsegment_add_if(lsr_outsegment * o, lsr_if * iff){  if (o && iff) {    MPLS_REFCNT_HOLD(iff);    o->iff = iff;    return MPLS_SUCCESS;  }  return MPLS_FAILURE;}mpls_return_enum _lsr_outsegment_del_if(lsr_outsegment * o){  if (o && o->iff) {    MPLS_REFCNT_RELEASE(o->iff, lsr_if_delete);    o->iff = NULL;    return MPLS_SUCCESS;  }  return MPLS_FAILURE;}mpls_return_enum lsr_outsegment_add_ftn(lsr_outsegment *out, lsr_ftn *x) {  if (out && x) {    MPLS_REFCNT_HOLD(x);    MPLS_LIST_ADD_HEAD(&out->ftn_root, x, _outsegment, lsr_ftn);    _lsr_ftn_add_outsegment(x, out);    return MPLS_SUCCESS;  }  return MPLS_FAILURE;}mpls_return_enum lsr_outsegment_del_ftn(lsr_outsegment *out, lsr_ftn *x) {  if (out && x) {    MPLS_LIST_REMOVE(&out->ftn_root, x, _outsegment);    _lsr_ftn_del_outsegment(x);    MPLS_REFCNT_RELEASE(x, lsr_ftn_delete);    return MPLS_SUCCESS;  }  return MPLS_FAILURE;}