Plug-In Power Pack for Netscape Communicator/Plug-In Power Pack for Netscape Communicator.iso/plugins/dataviews/dvtools/demos/telecomdemo/sim_util.c

C/C++ Source or Header | 1997-05-08 | 5KB | 215 lines

#ifndef lint
static char SccsId[]= "@(#)sim_util.c    V1.6    3/17/95";
#endif

/*
 |    File name: sim_util.c
 |========================================================================
 |
 |    Copyright (c) 1990 -- V.I. Corporation
 |
 |========================================================================
 */

#include "simulate.h"
#include "tlc_fundecl.h"


/*
 *   GetNamedView -- look in the view symbol table for the view indicated
 *     by the name.
 */
VIEW_STRUCT *
GetNamedView (name)
     char *name;
{
  VIEW_STRUCT *view_struct;
  SYMNODE symnode;

  if (name)
    if ((symnode = VTstkeyfind (SimParams.view_tab, name)) != NULL)
      {
        view_struct = (VIEW_STRUCT *) VTsnvalue (symnode);
        return view_struct;
      }
  return NULL;
}


/*
 *   GetNamedNode -- look in the node symbol table for the node indicated
 *     by the name.
 */
NODE_STRUCT *
GetNamedNode (name)
     char *name;
{
  NODE_STRUCT *node_struct;
  SYMNODE symnode;

  if (name)
    if ((symnode = VTstkeyfind (SimParams.node_tab, name)) != NULL)
      {
        node_struct = (NODE_STRUCT *) VTsnvalue (symnode);
        return node_struct;
      }
  return NULL;
}


/*
 *   GetNamedPart -- look in the part and switch symbol table for the part
 *     indicated by the name.
 */
PART_STRUCT *
GetNamedPart (name)
     char *name;
{
  PART_STRUCT *part_struct;
  SYMNODE symnode;


  if (name)
    {
      if ((symnode = VTstkeyfind (SimParams.part_tab, name)) == NULL)
        if ((symnode = VTstkeyfind (SimParams.switch_tab, name)) == NULL)
          return NULL;
      part_struct = (PART_STRUCT *) VTsnvalue (symnode);
      return part_struct;
    }
  return NULL;
}


/*
 *   GetNewViewStruct -- create and initialize a new view structure.
 */
VIEW_STRUCT *GetNewViewStruct
V_P_ ((void))
{
  VIEW_STRUCT *view_struct;

  view_struct = (VIEW_STRUCT *) S_ALLOC ((LONG) sizeof (VIEW_STRUCT));
  view_struct->view_name = NULL;
  view_struct->view = NULL;
  view_struct->drawport = NULL;
  view_struct->node_list = NULL;
  view_struct->last_node = NULL;
  view_struct->link_list = NULL;
  view_struct->last_link = NULL;
  view_struct->part_list = NULL;
  view_struct->last_part = NULL;
  view_struct->back_ptr = NULL;
  return view_struct;
}


/*
 *   GetNewNodeStruct -- create and initialize a new node struct.
 */
NODE_STRUCT *GetNewNodeStruct
V_P_ ((void))
{
  NODE_STRUCT *node_struct;

  node_struct = (NODE_STRUCT *) S_ALLOC ((LONG) sizeof (NODE_STRUCT));
  node_struct->node_name = NULL;
  node_struct->status = NORMAL;
  node_struct->switch_list = NULL;
  node_struct->last_switch = NULL;
  node_struct->softerror_count = 0;
  node_struct->critical_count = 0;
  node_struct->failure_count = 0;
  node_struct->next = NULL;
  node_struct->view_ptr = NULL;
  node_struct->back_ptr = NULL;
  return node_struct;
}


/*
 *   GetNewLinkStruct -- create and initialize a new link struct.
 */
LINK_STRUCT *GetNewLinkStruct
V_P_ ((void))
{
  LINK_STRUCT *link_struct;

  link_struct = (LINK_STRUCT *) S_ALLOC ((LONG) sizeof (LINK_STRUCT));
  link_struct->link_name = NULL;
  link_struct->status = NORMAL;
  link_struct->node1_name = NULL;
  link_struct->node2_name = NULL;
  link_struct->next = NULL;
  link_struct->switch1 = NULL;
  link_struct->switch2 = NULL;
  link_struct->back_ptr = NULL;
  return link_struct;
}


/*
 *   GetNewPartStruct -- create and initialze a new part structure.
 */
PART_STRUCT *GetNewPartStruct
V_P_ ((void))
{
  PART_STRUCT *part_struct;

  part_struct = (PART_STRUCT *) S_ALLOC ((LONG) sizeof (PART_STRUCT));
  part_struct->part_name = NULL;
  part_struct->status = NORMAL;
  part_struct->error_time = 0;
  part_struct->fix_time = 0;
  part_struct->err_prop = NULL;
  part_struct->node_name = NULL;
  part_struct->next = NULL;
  part_struct->next_switch = NULL;
  part_struct->primary_node = NULL;
  part_struct->back_ptr = NULL;
  return part_struct;
}


/*
 *   get_token -- get the next token from a string.  The token delimiter
 *     is an asterisk.  Put a null in place of the delimiter and return a
 *     pointer to the beginning of the next token.
 */
void
get_token (start, result, next)
     char *start;
     char **result;
     char **next;
{
  CHAR *cptr;

  if ((cptr = S_STR_INDEX (start, '*')) != NULL)
    {
      *cptr = '\0';
      *next = cptr + 1;
      *result = start;
    }
  else
    {
      *next = NULL;
      *result = start;
    }
}


/*
 *   SetNumberString -- set the value of the string in a vector text object
 *     to be a representation of a numeric value.
 */
void
SetNumberString (object, num)
     OBJECT object;
     int num;
{
  CHAR tmp_str[30];

  (VOID) sprintf (tmp_str, "%d", num);
  VOvtSetString (object, tmp_str);
}