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#include <sys/types.h>
#include <unistd.h>
#include <stdlib.h>
#include <string.h>
#include <stdio.h>
#include <fcntl.h>
#include "directory.h"
#include <sys/stat.h>
#include "xutil.h"
#include "lutil.h"
#include "ftn.h"
#include "config.h"
#include "nodecheck.h"
#include "nlindex.h"
#ifndef IF_DBM_SUFFIX
#ifdef HAS_BSD_DB
#define IF_DBM_SUFFIX ".db"
#else
#define IF_DBM_SUFFIX ".dir"
#endif
#endif
#ifdef HAS_NDBM_H
DBM *nldb=NULL;
#endif
int openstatus = 0;
int n;
DIR *dp;
struct dirent *de;
struct _nodelist *nodevector;
int initnl(void)
{
int i,rc;
fa_list *tmp;
time_t lastmtime;
struct stat stbuf;
char *indexnm,*nlnm=NULL,*p;
if (openstatus > 1) return openstatus;
if (openstatus == 1) return 0;
n=0;
for (tmp=nllist;tmp;tmp=tmp->next) n++;
debug(20,"Initialize %d nodelists",n);
nodevector=(struct _nodelist *)xmalloc(n * sizeof(struct _nodelist));
lastmtime=configtime;
i=0;
for (tmp=nllist;tmp;tmp=tmp->next)
{
if (tmp->addr->domain)
nodevector[i].domain=tmp->addr->domain;
else if (whoami->addr->domain)
nodevector[i].domain=whoami->addr->domain;
else
nodevector[i].domain="fidonet";
nlnm=xstrcpy(tmp->addr->name);
if ((rc=stat(tmp->addr->name,&stbuf)) != 0)
{
int next,mext=0;
if (nlnm) free(nlnm);
if ((nlnm=strrchr(tmp->addr->name,'/')))
nlnm++;
else nlnm=tmp->addr->name;
if (dp == NULL) dp=opendir(nlbase);
if (dp != NULL)
{
rewinddir(dp);
while ((de=readdir(dp)))
if (strncmp(de->d_name,nlnm,strlen(nlnm)) == 0)
{
p=(de->d_name)+strlen(nlnm);
if ((*p == '.') && (strlen(p) == 4) &&
(strspn(p+1,"0123456789") == 3))
{
next=atoi(p+1);
if (next > mext) mext=next;
}
}
}
else logerr("$cannot open \"%s\" directory",S(nlbase));
nlnm=xstrcpy(tmp->addr->name);
nlnm=xstrcat(nlnm,".999");
sprintf(nlnm+strlen(nlnm)-3,"%03d",mext);
debug(20,"try \"%s\" nodelist",S(nlnm));
rc=stat(nlnm,&stbuf);
}
if (rc == 0)
{
if (stbuf.st_mtime > lastmtime)
lastmtime=stbuf.st_mtime;
nodevector[i].fp=fopen(nlnm,"r");
if (nodevector[i].fp == NULL)
logerr("$cannot open nodelist \"%s\"",S(nlnm));
else debug(20,"opened nodelist \"%s\"",S(nlnm));
}
else
{
logerr("$cannot stat nodelist \"%s\"",
S(tmp->addr->name));
nodevector[i].fp=NULL;
}
i++;
if (nlnm) free(nlnm);
}
if (dp != NULL) closedir(dp);
dp=NULL;
for (i=0;i<n;i++)
{
debug(20,"nodelist: %3d: %-08s %08lx",
i,nodevector[i].domain,nodevector[i].fp);
}
indexnm=xstrcpy(nlbase);
indexnm=xstrcat(indexnm,INDEX);
indexnm=xstrcat(indexnm,IF_DBM_SUFFIX);
if ((stat(indexnm,&stbuf) != 0) || (stbuf.st_mtime < lastmtime)) rc=1;
else rc=0;
indexnm[strlen(indexnm)-strlen(IF_DBM_SUFFIX)]='\0';
debug(20,"Trying open existing \"%s\"",S(indexnm));
#ifdef HAS_NDBM_H
if (nldb == NULL)
if ((nldb=dbm_open(indexnm,O_RDONLY,0600)) == NULL)
rc=2;
#else
if (dbminit(indexnm) != 0) rc=2;
#endif
free(indexnm);
if (rc > 1)
{
openstatus=2;
logerr("$cannot open nodelist index (%d)",rc);
}
else openstatus=1;
return rc;
}
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