ospfh_d.c

实现禁位自动排列在禁位中具体实现了此方法所以这是一个创新很有应用价值在VC平台上调试通过

/* Initiate and start the OSPFH */

#include "ospfh.h"
#include "ospfh_patch.h"

struct ospf *
ospfh_init(struct thread_master *master)
{
	struct ospf *new = malloc(sizeof (struct ospf));
	
  new->nbrlist=list_new();
  new->lsa_list=list_new();
  new->ls_ack=list_new();
  new->ls_ack_direct.ls_ack=list_new();
  new->maxage_lsa=list_new();

  new->t_write=NULL;
  new->t_read=NULL;
  new->t_maxage=NULL;              /* MaxAge LSA remover timer. */
  new->t_maxage_walker=NULL;       /* MaxAge LSA checking timer. */
  new->t_lsa_list=NULL;
  new->t_ls_ack=NULL;
  new->t_ls_feed_up_timer=NULL;
 // new->t_ls_feed_down_timer=NULL;


  //add a part 11.23
  new->t_lsa_self=NULL;
  new->lsa_self=NULL;
  new->ls_upd_in = 0;
  new->ls_upd_out = 0;
  new->ls_ack_in = 0;
  new->ls_ack_out = 0;
  new->discarded = 0;
  new->v_ls_ack=1;
  new->v_ls_feed_up=5;
 // new->v_ls_feed_down=10;



  new->transmit_delay =OSPF_TRANSMIT_DELAY_DEFAULT;

  new->retransmit_interval=OSPF_RETRANSMIT_INTERVAL_DEFAULT;


  new->outbuf=ospf_fifo_new ();


  new->rx_lsa_count=0;
  new->lsa_originate_count=0;
  new->mtu=OSPF_IF_MTU;


  new->master=master;

  new->conf_cmd[0].string="set self rc id";
  new->conf_cmd[0].func=router_id_set;
  new->conf_cmd[1].string="set ip address";
  new->conf_cmd[1].func=ip_addr_set;
  new->conf_cmd[2].string="set neighbor id";
  new->conf_cmd[2].func=nbr_id_set;
  new->conf_cmd[3].string="set speaker id";
  new->conf_cmd[3].func=speaker_rc_id_set;
  new->conf_cmd[4].string="set uplayer rc id";
  new->conf_cmd[4].func=uplayer_rc_id_set;
  new->conf_cmd[5].string="set downlayer rc id";
  new->conf_cmd[5].func=downlayer_rc_id_set;


    return new;
}

void
ospfh_init_continue(struct ospf *top)
{
	
	
    ospf_sock_init();
	top->fd = ospf_sock(top->ip_address);
	top->t_read = thread_add_read (top->master, ospf_read, top, top->fd);


}


struct ospf_neighbor *
ospf_nbr_new (struct ospf *top)
{
  struct ospf_neighbor *nbr;


  /* Allcate new neighbor. */
  nbr = (struct ospf_neighbor* )malloc(sizeof (struct ospf_neighbor));

   nbr->top=top;
  /* Set inheritance values. */
  nbr->v_ls_upd = top->retransmit_interval;
  nbr->t_ls_upd=NULL;


  //list_init

  nbr->ls_rxmt = list_new();
 //见listlink.c
  
  return nbr;
}

/*read the config file and execute the command*/
int
ospf_read_file (FILE *fp , struct ospf * top)
{
  int ret;
  struct vector * vline;
  char * buf;
  buf=(char*)XMALLOC(1,VTY_BUFSIZ);
  memset(buf, 0 , VTY_BUFSIZ);

  while (fgets (buf, VTY_BUFSIZ, fp))
    {
      vline = cmd_make_strvec (buf);

      /* In case of comment line */
      if (vline == NULL)
	     continue;
      /* Execute configuration command : this is strict match */
      ret = cmd_execute_command_strict (vline, NULL , top);

      cmd_free_strvec (vline);
	  memset(buf, 0 , VTY_BUFSIZ);

    }//end while
  XFREE(1,buf);
  return 0;
}

void
ospf_read_config (char *config_file, struct ospf * top)
{
  char *cwd;
  FILE *confp = NULL;
  char *fullpath;
  int ret;
  char * temp="\\";

  /* If -f flag specified. */
  if (config_file != NULL)
  {
      if (! IS_DIRECTORY_SEP (config_file[0]))
	  {
	  cwd = _getcwd (NULL, _MAX_PATH );
	  fullpath = XMALLOC (1, 
			      strlen (cwd) + strlen (config_file) + 2);
	  sprintf (fullpath, "%s%s%s", cwd, temp,config_file);
	  }
      else
	    fullpath = config_file;

      confp = fopen (fullpath, "r");

      if (confp == NULL)
	  {
	        printf ("can't open configuration file [%s]\n", 
		       config_file);
	        exit(1);
		 
	  }
  }
  else
  {
	  printf("no configuration file is given\n");
      exit(1);
  }

  ret=ospf_read_file (confp,top);
  

  fclose (confp);

}