NAttr* attr_create(NStrPool* pool, const char** attrs)
{
NAttr* na;
int num = attr_num(attrs);
if (num == 0)
return N_NULL;
na = (NAttr*)NBK_malloc0(sizeof(NAttr) * (num + 1));
N_ASSERT(na);
na[0].d.spool = pool;
attr_parse(na, attrs);
return na;
}
int
main (int argc, char **argv)
{
int ret;
FILE *fp;
struct stream *s;
time_t now;
int type;
int subtype;
size_t len;
int source_as;
int dest_as;
int ifindex;
int family;
struct in_addr sip;
struct in_addr dip;
u_int16_t viewno, seq_num;
struct prefix_ipv4 p;
s = stream_new (10000);
if (argc != 2)
{
fprintf (stderr, "Usage: %s FILENAME\n", argv[0]);
exit (1);
}
fp = fopen (argv[1], "r");
if (!fp)
{
perror ("fopen");
exit (1);
}
while (1)
{
stream_reset (s);
ret = fread (s->data, 12, 1, fp);
if (!ret || feof (fp))
{
printf ("END OF FILE\n");
break;
}
if (ferror (fp))
{
printf ("ERROR OF FREAD\n");
break;
}
/* Extract header. */
now = stream_getl (s);
type = stream_getw (s);
subtype = stream_getw (s);
len = stream_getl (s);
printf ("TIME: %s", ctime (&now));
/* printf ("TYPE: %d/%d\n", type, subtype); */
if (type == MSG_PROTOCOL_BGP4MP)
printf ("TYPE: BGP4MP");
else if (type == MSG_PROTOCOL_BGP4MP_ET)
printf ("TYPE: BGP4MP_ET");
else if (type == MSG_TABLE_DUMP)
printf ("TYPE: MSG_TABLE_DUMP");
else
printf ("TYPE: Unknown %d", type);
if (type == MSG_TABLE_DUMP)
switch (subtype)
{
case AFI_IP:
printf ("/AFI_IP\n");
break;
case AFI_IP6:
printf ("/AFI_IP6\n");
break;
default:
printf ("/UNKNOWN %d", subtype);
break;
}
else
{
switch (subtype)
{
case BGP4MP_STATE_CHANGE:
printf ("/CHANGE\n");
break;
case BGP4MP_MESSAGE:
printf ("/MESSAGE\n");
break;
case BGP4MP_ENTRY:
printf ("/ENTRY\n");
break;
case BGP4MP_SNAPSHOT:
printf ("/SNAPSHOT\n");
break;
default:
printf ("/UNKNOWN %d", subtype);
break;
}
}
printf ("len: %zd\n", len);
ret = fread (s->data + 12, len, 1, fp);
if (feof (fp))
{
printf ("ENDOF FILE 2\n");
break;
}
if (ferror (fp))
{
printf ("ERROR OF FREAD 2\n");
break;
}
/* printf ("now read %d\n", len); */
if (type == MSG_TABLE_DUMP)
{
u_char status;
time_t originated;
struct in_addr peer;
u_int16_t attrlen;
viewno = stream_getw (s);
seq_num = stream_getw (s);
printf ("VIEW: %d\n", viewno);
printf ("SEQUENCE: %d\n", seq_num);
/* start */
while (s->getp < len - 16)
{
p.prefix.s_addr = stream_get_ipv4 (s);
p.prefixlen = stream_getc (s);
printf ("PREFIX: %s/%d\n", inet_ntoa (p.prefix), p.prefixlen);
status = stream_getc (s);
originated = stream_getl (s);
peer.s_addr = stream_get_ipv4 (s);
source_as = stream_getw(s);
printf ("FROM: %s AS%d\n", inet_ntoa (peer), source_as);
printf ("ORIGINATED: %s", ctime (&originated));
attrlen = stream_getw (s);
printf ("ATTRLEN: %d\n", attrlen);
attr_parse (s, attrlen);
printf ("STATUS: 0x%x\n", status);
}
}
else
{
source_as = stream_getw (s);
dest_as = stream_getw (s);
printf ("source_as: %d\n", source_as);
printf ("dest_as: %d\n", dest_as);
ifindex = stream_getw (s);
family = stream_getw (s);
printf ("ifindex: %d\n", ifindex);
printf ("family: %d\n", family);
sip.s_addr = stream_get_ipv4 (s);
dip.s_addr = stream_get_ipv4 (s);
printf ("saddr: %s\n", inet_ntoa (sip));
printf ("daddr: %s\n", inet_ntoa (dip));
printf ("\n");
}
}
fclose (fp);
return 0;
}
