static int
zebra_route(proto_tree *tree, tvbuff_t *tvb, int offset, guint16 len,
guint8 family)
{
guint32 prefix4;
guint8 message, prefixlen, buffer6[16];
proto_tree_add_item(tree, hf_zebra_type, tvb,
offset, 1, ENC_BIG_ENDIAN);
offset += 1;
proto_tree_add_item(tree, hf_zebra_rtflags, tvb,
offset, 1, ENC_BIG_ENDIAN);
offset += 1;
message = tvb_get_guint8(tvb, offset);
offset = zebra_route_message(tree, tvb, offset, message);
prefixlen = tvb_get_guint8(tvb, offset);
proto_tree_add_uint(tree, hf_zebra_prefixlen, tvb,
offset, 1, prefixlen);
offset += 1;
if (family == ZEBRA_FAMILY_IPV6) {
memset(buffer6, '\0', sizeof buffer6);
tvb_memcpy(tvb, buffer6, offset,
MIN((unsigned) PSIZE(prefixlen), sizeof buffer6));
proto_tree_add_ipv6(tree, hf_zebra_prefix6,
tvb, offset, PSIZE(prefixlen), buffer6);
}else {
prefix4 = 0;
tvb_memcpy(tvb, (guint8 *)&prefix4, offset,
MIN((unsigned) PSIZE(prefixlen), sizeof prefix4));
proto_tree_add_ipv4(tree, hf_zebra_prefix4,
tvb, offset, PSIZE(prefixlen), prefix4);
}
offset += PSIZE(prefixlen);
if (message & ZEBRA_ZAPI_MESSAGE_NEXTHOP) {
offset = zebra_route_nexthop(tree, tvb, offset, len);
}
if (message & ZEBRA_ZAPI_MESSAGE_IFINDEX) {
offset = zebra_route_ifindex(tree, tvb, offset, len);
}
if (message & ZEBRA_ZAPI_MESSAGE_DISTANCE) {
proto_tree_add_item(tree, hf_zebra_distance,
tvb, offset, 1, ENC_BIG_ENDIAN);
offset += 1;
}
if (message & ZEBRA_ZAPI_MESSAGE_METRIC) {
proto_tree_add_item(tree, hf_zebra_metric,
tvb, offset, 4, ENC_BIG_ENDIAN);
offset += 4;
}
return offset;
}
/*
* "xdr_encode"-like interface that allows daemon (client) to send
* a message to zebra server for a route that needs to be
* added/deleted to the kernel. Info about the route is specified
* by the caller in a struct zapi_ipv4. zapi_ipv4_read() then writes
* the info down the zclient socket using the stream_* functions.
*
* The corresponding read ("xdr_decode") function on the server
* side is zread_ipv4_add()/zread_ipv4_delete().
*
* 0 1 2 3 4 5 6 7 8 9 A B C D E F 0 1 2 3 4 5 6 7 8 9 A B C D E F
* +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
* | Length (2) | Command | Route Type |
* +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
* | ZEBRA Flags | Message Flags | Prefix length |
* +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
* | Destination IPv4 Prefix for route |
* +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
* | Nexthop count |
* +-+-+-+-+-+-+-+-+
*
*
* A number of IPv4 nexthop(s) or nexthop interface index(es) are then
* described, as per the Nexthop count. Each nexthop described as:
*
* +-+-+-+-+-+-+-+-+
* | Nexthop Type | Set to one of ZEBRA_NEXTHOP_*
* +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
* | IPv4 Nexthop address or Interface Index number |
* +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
*
* Alternatively, if the flags field has ZEBRA_FLAG_BLACKHOLE or
* ZEBRA_FLAG_REJECT is set then Nexthop count is set to 1, then _no_
* nexthop information is provided, and the message describes a prefix
* to blackhole or reject route.
*
* If ZAPI_MESSAGE_DISTANCE is set, the distance value is written as a 1
* byte value.
*
* If ZAPI_MESSAGE_METRIC is set, the metric value is written as an 8
* byte value.
*
* XXX: No attention paid to alignment.
*/
int
zapi_ipv4_route (u_char cmd, struct zclient *zclient, struct prefix_ipv4 *p,
struct zapi_ipv4 *api)
{
int i;
int psize;
struct stream *s;
/* Reset stream. */
s = zclient->obuf;
stream_reset (s);
zclient_create_header (s, cmd);
/* Put type and nexthop. */
stream_putc (s, api->type);
stream_putc (s, api->flags);
stream_putc (s, api->message);
stream_putw (s, api->safi);
/* Put prefix information. */
psize = PSIZE (p->prefixlen);
stream_putc (s, p->prefixlen);
stream_write (s, (u_char *) & p->prefix, psize);
/* Nexthop, ifindex, distance and metric information. */
if (CHECK_FLAG (api->message, ZAPI_MESSAGE_NEXTHOP))
{
if (CHECK_FLAG (api->flags, ZEBRA_FLAG_BLACKHOLE))
{
stream_putc (s, 1);
stream_putc (s, ZEBRA_NEXTHOP_BLACKHOLE);
/* XXX assert(api->nexthop_num == 0); */
/* XXX assert(api->ifindex_num == 0); */
}
else
stream_putc (s, api->nexthop_num + api->ifindex_num);
for (i = 0; i < api->nexthop_num; i++)
{
stream_putc (s, ZEBRA_NEXTHOP_IPV4);
stream_put_in_addr (s, api->nexthop[i]);
}
for (i = 0; i < api->ifindex_num; i++)
{
stream_putc (s, ZEBRA_NEXTHOP_IFINDEX);
stream_putl (s, api->ifindex[i]);
}
}
if (CHECK_FLAG (api->message, ZAPI_MESSAGE_DISTANCE))
stream_putc (s, api->distance);
if (CHECK_FLAG (api->message, ZAPI_MESSAGE_METRIC))
stream_putl (s, api->metric);
/* Put length at the first point of the stream. */
stream_putw_at (s, 0, stream_get_endp (s));
return zclient_send_message(zclient);
}
s32 bgp_nlri_parse_6pe (struct peer *peer, struct attr *attr, struct bgp_nlri *packet)
{
u_char *pnt;
u_char *lim;
struct prefix p;
int psize;
int prefixlen;
u_int32_t label;
u_char *tagpnt;
/* Check peer status. */
if (peer->status != Established)
return 0;
pnt = packet->nlri;
lim = pnt + packet->length;
for (; pnt < lim; pnt += psize)
{
/* Clear prefix structure. */
memset (&p, 0, sizeof (struct prefix));
/* Fetch prefix length. */
prefixlen = *pnt++;
p.family = AF_INET6;
psize = PSIZE (prefixlen);
if (prefixlen < 24)
{
zlog_err ("prefix length is less than 88: %d", prefixlen);
return -1;
}
label = decode_label (pnt);
/* Copyr label to prefix. */
tagpnt = pnt;
p.prefixlen = prefixlen - 24;
memcpy (&p.u.prefix, pnt + 3, psize - 3);
if (pnt + psize > lim)
return -1;
if (attr)
bgp_update (peer, &p, attr, AFI_IP6, SAFI_UNICAST,
ZEBRA_ROUTE_BGP, BGP_ROUTE_NORMAL, NULL, tagpnt, 0);
else
bgp_withdraw (peer, &p, attr, AFI_IP6, SAFI_UNICAST,
ZEBRA_ROUTE_BGP, BGP_ROUTE_NORMAL, NULL, tagpnt);
}
/* Packet length consistency check. */
if (pnt != lim)
return -1;
return 0;
}
check_entry(u64 va, u64 ps, char *str)
{
va &= ~ (PSIZE(ps)-1);
if ( va == 0x2000000002908000UL ||
va == 0x600000000000C000UL ) {
stop();
}
if (tlb_debug) printk("%s at %lx %lx\n", str, va, 1UL<<ps);
}
/* Zebra route add and delete treatment. */
static int
rip_zebra_read_ipv4 (int command, struct zclient *zclient, zebra_size_t length)
{
struct stream *s;
struct zapi_ipv4 api;
unsigned long ifindex;
struct in_addr nexthop;
struct prefix_ipv4 p;
s = zclient->ibuf;
ifindex = 0;
nexthop.s_addr = 0;
/* Type, flags, message. */
api.type = stream_getc (s);
api.flags = stream_getc (s);
api.message = stream_getc (s);
/* IPv4 prefix. */
memset (&p, 0, sizeof (struct prefix_ipv4));
p.family = AF_INET;
p.prefixlen = stream_getc (s);
stream_get (&p.prefix, s, PSIZE (p.prefixlen));
/* Nexthop, ifindex, distance, metric. */
if (CHECK_FLAG (api.message, ZAPI_MESSAGE_NEXTHOP))
{
api.nexthop_num = stream_getc (s);
nexthop.s_addr = stream_get_ipv4 (s);
}
if (CHECK_FLAG (api.message, ZAPI_MESSAGE_IFINDEX))
{
api.ifindex_num = stream_getc (s);
ifindex = stream_getl (s);
}
if (CHECK_FLAG (api.message, ZAPI_MESSAGE_DISTANCE))
api.distance = stream_getc (s);
else
api.distance = 255;
if (CHECK_FLAG (api.message, ZAPI_MESSAGE_METRIC))
api.metric = stream_getl (s);
else
api.metric = 0;
/* Then fetch IPv4 prefixes. */
if (command == ZEBRA_IPV4_ROUTE_ADD)
rip_redistribute_add (api.type, RIP_ROUTE_REDISTRIBUTE, &p, ifindex,
&nexthop, api.metric, api.distance);
else
rip_redistribute_delete (api.type, RIP_ROUTE_REDISTRIBUTE, &p, ifindex);
return 0;
}
int
zapi_ipv6_route (u_char cmd, struct_zclient *zclient, struct prefix_ipv6 *p,
struct zapi_ipv6 *api)
{
int i;
int psize;
struct stream *s;
/* Reset stream. */
s = zclient->obuf;
stream_reset (s);
/* Length place holder. */
stream_putw (s, 0);
/* Put command, type and nexthop. */
stream_putc (s, cmd);
stream_putc (s, api->type);
stream_putc (s, api->flags);
stream_putc (s, api->message);
/* Put prefix information. */
psize = PSIZE (p->prefixlen);
stream_putc (s, p->prefixlen);
stream_write (s, (u_char *)&p->prefix, psize);
/* Nexthop, ifindex, distance and metric information. */
if (CHECK_FLAG (api->message, ZAPI_MESSAGE_NEXTHOP))
{
stream_putc (s, api->nexthop_num + api->ifindex_num);
for (i = 0; i < api->nexthop_num; i++)
{
stream_putc (s, ZEBRA_NEXTHOP_IPV6);
stream_write (s, (u_char *)api->nexthop[i], 16);
}
for (i = 0; i < api->ifindex_num; i++)
{
stream_putc (s, ZEBRA_NEXTHOP_IFINDEX);
stream_putl (s, api->ifindex[i]);
}
}
if (CHECK_FLAG (api->message, ZAPI_MESSAGE_DISTANCE))
stream_putc (s, api->distance);
if (CHECK_FLAG (api->message, ZAPI_MESSAGE_METRIC))
stream_putl (s, api->metric);
/* Put length at the first point of the stream. */
stream_putw_at (s, 0, stream_get_endp (s));
return writen (zclient->sock, s->data, stream_get_endp (s));
}
/* Zebra route add and delete treatment. */
int
ripng_zebra_read_ipv6 (int command, struct zclient *zclient,
zebra_size_t length)
{
struct stream *s;
struct zapi_ipv6 api;
unsigned long ifindex;
struct in6_addr nexthop;
struct prefix_ipv6 p;
s = zclient->ibuf;
ifindex = 0;
memset (&nexthop, 0, sizeof (struct in6_addr));
/* Type, flags, message. */
api.type = stream_getc (s);
api.flags = stream_getc (s);
api.message = stream_getc (s);
/* IPv6 prefix. */
memset (&p, 0, sizeof (struct prefix_ipv6));
p.family = AF_INET6;
p.prefixlen = stream_getc (s);
stream_get (&p.prefix, s, PSIZE (p.prefixlen));
/* Nexthop, ifindex, distance, metric. */
if (CHECK_FLAG (api.message, ZAPI_MESSAGE_NEXTHOP))
{
api.nexthop_num = stream_getc (s);
stream_get (&nexthop, s, 16);
}
if (CHECK_FLAG (api.message, ZAPI_MESSAGE_IFINDEX))
{
api.ifindex_num = stream_getc (s);
ifindex = stream_getl (s);
}
if (CHECK_FLAG (api.message, ZAPI_MESSAGE_DISTANCE))
api.distance = stream_getc (s);
else
api.distance = 0;
if (CHECK_FLAG (api.message, ZAPI_MESSAGE_METRIC))
api.metric = stream_getl (s);
else
api.metric = 0;
if (command == ZEBRA_IPV6_ROUTE_ADD)
ripng_redistribute_add (api.type, 0, &p, ifindex);
else
ripng_redistribute_delete (api.type, 0, &p, ifindex);
return 0;
}
static int
babel_zebra_read_ipv4 (int command, struct zclient *zclient,
zebra_size_t length)
{
struct stream *s;
struct zapi_ipv4 api;
unsigned long ifindex = -1;
struct in_addr nexthop;
struct prefix_ipv4 prefix;
s = zclient->ibuf;
ifindex = 0;
memset (&nexthop, 0, sizeof (struct in_addr));
memset (&api, 0, sizeof(struct zapi_ipv4));
memset (&prefix, 0, sizeof (struct prefix_ipv4));
/* Type, flags, message. */
api.type = stream_getc (s);
api.flags = stream_getc (s);
api.message = stream_getc (s);
/* IPv6 prefix. */
prefix.family = AF_INET;
prefix.prefixlen = stream_getc (s);
stream_get (&prefix.prefix, s, PSIZE (prefix.prefixlen));
/* Nexthop, ifindex, distance, metric. */
if (CHECK_FLAG (api.message, ZAPI_MESSAGE_NEXTHOP)) {
api.nexthop_num = stream_getc (s);
stream_get (&nexthop, s, sizeof(nexthop));
}
if (CHECK_FLAG (api.message, ZAPI_MESSAGE_IFINDEX)) {
api.ifindex_num = stream_getc (s);
ifindex = stream_getl (s);
}
if (CHECK_FLAG (api.message, ZAPI_MESSAGE_DISTANCE))
api.distance = stream_getc (s);
else
api.distance = 0;
if (CHECK_FLAG (api.message, ZAPI_MESSAGE_METRIC))
api.metric = stream_getl (s);
else
api.metric = 0;
if (command == ZEBRA_IPV6_ROUTE_ADD) {
babel_ipv4_route_add(&api, &prefix, ifindex, &nexthop);
} else {
babel_ipv4_route_delete(&api, &prefix, ifindex);
}
return 0;
}
int
isis_zebra_read_ipv4 (int command, struct zclient *zclient,
zebra_size_t length)
{
struct stream *stream;
struct zapi_ipv4 api;
struct prefix_ipv4 p;
unsigned long ifindex;
struct in_addr nexthop;
stream = zclient->ibuf;
memset (&p, 0, sizeof (struct prefix_ipv4));
ifindex = 0;
api.type = stream_getc (stream);
api.flags = stream_getc (stream);
api.message = stream_getc (stream);
p.family = AF_INET;
p.prefixlen = stream_getc (stream);
stream_get (&p.prefix, stream, PSIZE (p.prefixlen));
if (CHECK_FLAG (api.message, ZAPI_MESSAGE_NEXTHOP))
{
api.nexthop_num = stream_getc (stream);
nexthop.s_addr = stream_get_ipv4 (stream);
}
if (CHECK_FLAG (api.message, ZAPI_MESSAGE_IFINDEX))
{
api.ifindex_num = stream_getc (stream);
ifindex = stream_getl (stream);
}
if (CHECK_FLAG (api.message, ZAPI_MESSAGE_DISTANCE))
api.distance = stream_getc (stream);
if (CHECK_FLAG (api.message, ZAPI_MESSAGE_METRIC))
api.metric = stream_getl (stream);
else
api.metric = 0;
if (command == ZEBRA_IPV4_ROUTE_ADD)
{
zlog_debug ("IPv4 Route add from Z");
}
return 0;
}
static struct isis_vertex *
isis_find_vertex (struct list *list, void *id, enum vertextype vtype)
{
struct listnode *node;
struct isis_vertex *vertex;
struct prefix *p1, *p2;
for (ALL_LIST_ELEMENTS_RO (list, node, vertex))
{
if (vertex->type != vtype)
continue;
switch (vtype)
{
case VTYPE_ES:
case VTYPE_NONPSEUDO_IS:
case VTYPE_NONPSEUDO_TE_IS:
if (memcmp ((u_char *) id, vertex->N.id, ISIS_SYS_ID_LEN) == 0)
return vertex;
break;
case VTYPE_PSEUDO_IS:
case VTYPE_PSEUDO_TE_IS:
if (memcmp ((u_char *) id, vertex->N.id, ISIS_SYS_ID_LEN + 1) == 0)
return vertex;
break;
case VTYPE_IPREACH_INTERNAL:
case VTYPE_IPREACH_EXTERNAL:
case VTYPE_IPREACH_TE:
#ifdef HAVE_IPV6
case VTYPE_IP6REACH_INTERNAL:
case VTYPE_IP6REACH_EXTERNAL:
#endif /* HAVE_IPV6 */
p1 = (struct prefix *) id;
p2 = (struct prefix *) &vertex->N.id;
if (p1->family == p2->family && p1->prefixlen == p2->prefixlen &&
memcmp (&p1->u.prefix, &p2->u.prefix,
PSIZE (p1->prefixlen)) == 0)
return vertex;
break;
}
}
return NULL;
}
unsigned logic_pinger_http_get_data(unsigned pkt, unsigned more_data)
{
char buf[1024];
char *dest = buf;
if(more_data == 0)
{
dest+=sprintf((char*)dest,"var pinger_packfmt={");
PLINK(dest, logic_pinger_setup[0], ip);
PLINK(dest, logic_pinger_setup[0], period);
PLINK(dest, logic_pinger_setup[0], timeout);
#ifdef DNS_MODULE
PLINK(dest, logic_pinger_setup[0], hostname);
#endif
PSIZE(dest, sizeof logic_pinger_setup[0]); // must be the last // size must be word-aligned!
dest += sprintf(dest, "}; var pinger_data=[");
}
struct logic_pinger_setup_s *setup;
for(;more_data<LOGIC_MAX_PINGER;)
{
setup = &logic_pinger_setup[more_data];
*dest++ = '{';
PDATA_IP(dest, (*setup), ip);
PDATA(dest, (*setup), period);
PDATA(dest, (*setup), timeout);
#ifdef DNS_MODULE
PDATA_PASC_STR(dest, (*setup), hostname);
#endif
--dest; // clear last PDATA-created comma
*dest++ = '}';
*dest++ = ',';
++more_data;
if(dest - buf > sizeof buf - 128) break; // data buffer capacity used up to 80%
}
if(more_data == LOGIC_MAX_PINGER)
{
more_data = 0; // reset pumping
--dest; // remove last comma
*dest++ = ']';
*dest++ = ';';
}
tcp_put_tx_body(pkt, (unsigned char*)buf, dest - buf);
return more_data;
}
void
zebra_read_ipv6 (int command, struct zserv *client, u_short length)
{
u_char type;
u_char flags;
struct in6_addr nexthop, *gate;
u_char *lim;
u_char *pnt;
unsigned int ifindex;
pnt = stream_pnt (client->ibuf);
lim = pnt + length;
type = stream_getc (client->ibuf);
flags = stream_getc (client->ibuf);
stream_get (&nexthop, client->ibuf, sizeof (struct in6_addr));
while (stream_pnt (client->ibuf) < lim)
{
int size;
struct prefix_ipv6 p;
ifindex = stream_getl (client->ibuf);
memset (&p, 0, sizeof (struct prefix_ipv6));
p.family = AF_INET6;
p.prefixlen = stream_getc (client->ibuf);
size = PSIZE(p.prefixlen);
stream_get (&p.prefix, client->ibuf, size);
if (IN6_IS_ADDR_UNSPECIFIED (&nexthop))
gate = NULL;
else
gate = &nexthop;
if (command == ZEBRA_IPV6_ROUTE_ADD)
rib_add_ipv6 (type, flags, &p, gate, ifindex, 0, 0, 0);
else
rib_delete_ipv6 (type, flags, &p, gate, ifindex, 0);
}
}
unsigned logic_http_get_data(unsigned pkt, unsigned more_data)
{
char buf[1024];
char *dest = buf;
if(more_data == 0)
{
dest+=sprintf((char*)dest,"var packfmt={");
PLINK(dest, logic_setup[0], flags);
PLINK(dest, logic_setup[0], input);
PLINK(dest, logic_setup[0], condition);
PLINK(dest, logic_setup[0], action);
PLINK(dest, logic_setup[0], output);
PSIZE(dest, sizeof logic_setup[0]); // must be the last // size must be word-aligned!
dest += sprintf(dest, "}; var data_logic_flags=%u; var data=[", logic_flags);
}
struct logic_setup_s *setup;
for(;more_data<LOGIC_MAX_RULES;)
{
setup = &logic_setup[more_data];
*dest++ = '{';
PDATA(dest, (*setup), flags);
PDATA(dest, (*setup), input);
PDATA(dest, (*setup), condition);
PDATA(dest, (*setup), action);
PDATA(dest, (*setup), output);
--dest; // clear last PDATA-created comma
*dest++ = '}';
*dest++ = ',';
++more_data;
if(dest - buf > sizeof buf - 128) break; // data buffer capacity used up to 80%
}
if(more_data == LOGIC_MAX_RULES)
{
more_data = 0; // reset pumping
--dest; // remove last comma
*dest++ = ']';
*dest++ = ';';
}
tcp_put_tx_body(pkt, (unsigned char*)buf, dest - buf);
return more_data;
}
unsigned tstat_http_get_data(unsigned pkt, unsigned more_data)
{
char buf[1024];
char *dest = buf;
if(more_data == 0)
{
dest+=sprintf((char*)dest,"var tstat_packfmt={");
PLINK(dest, tstat_setup[0], setpoint);
PLINK(dest, tstat_setup[0], hyst);
PLINK(dest, tstat_setup[0], sensor_no);
PSIZE(dest, sizeof tstat_setup[0]); // must be the last // size must be word-aligned!
dest += sprintf(dest, "}; var tstat_data=[");
}
struct tstat_setup_s *setup;
for(;more_data<TSTAT_MAX_CHANNEL;)
{
setup = &tstat_setup[more_data];
*dest++ = '{';
PDATA_SIGNED(dest, (*setup), setpoint);
PDATA(dest, (*setup), hyst);
PDATA(dest, (*setup), sensor_no);
--dest; // clear last PDATA-created comma
*dest++ = '}';
*dest++ = ',';
++more_data;
if(dest - buf > sizeof buf - 128) break; // data buffer capacity used up to 80%
}
if(more_data == TSTAT_MAX_CHANNEL)
{
more_data = 0; // reset pumping
--dest; // remove last comma
dest += sprintf(dest, "]; var termo_n_ch=%u;", TERMO_N_CH);
}
tcp_put_tx_body(pkt, (unsigned char*)buf, dest - buf);
return more_data;
}
/*
* The zebra server sends the clients a ZEBRA_IPV4_ROUTE_ADD or a
* ZEBRA_IPV6_ROUTE_ADD via zsend_route_multipath in the following
* situations:
* - when the client starts up, and requests default information
* by sending a ZEBRA_REDISTRIBUTE_DEFAULT_ADD to the zebra server, in the
* - case of rip, ripngd, ospfd and ospf6d, when the client sends a
* ZEBRA_REDISTRIBUTE_ADD as a result of the "redistribute" vty cmd,
* - when the zebra server redistributes routes after it updates its rib
*
* The zebra server sends clients a ZEBRA_IPV4_ROUTE_DELETE or a
* ZEBRA_IPV6_ROUTE_DELETE via zsend_route_multipath when:
* - a "ip route" or "ipv6 route" vty command is issued, a prefix is
* - deleted from zebra's rib, and this info
* has to be redistributed to the clients
*
* XXX The ZEBRA_IPV*_ROUTE_ADD message is also sent by the client to the
* zebra server when the client wants to tell the zebra server to add a
* route to the kernel (zapi_ipv4_add etc. ). Since it's essentially the
* same message being sent back and forth, this function and
* zapi_ipv{4,6}_{add, delete} should be re-written to avoid code
* duplication.
*/
int
zsend_route_multipath (int cmd, struct zserv *client, struct prefix *p,
struct rib *rib)
{
int psize;
struct stream *s;
struct nexthop *nexthop;
unsigned long nhnummark = 0;
int nhnum = 0;
u_char zapi_flags = ZAPI_MESSAGE_NEXTHOP | ZAPI_MESSAGE_IFINDEX;
s = client->obuf;
stream_reset (s);
/* Place holder for size. */
stream_putw (s, 0);
/* Put command, type and nexthop. */
stream_putc (s, cmd);
stream_putc (s, rib->type);
stream_putc (s, rib->flags);
/*
* XXX no need to set ZAPI_MESSAGE_NEXTHOP if we are going to
* send empty nexthop?
*/
if (cmd == ZEBRA_IPV4_ROUTE_ADD || ZEBRA_IPV6_ROUTE_ADD)
zapi_flags |= ZAPI_MESSAGE_METRIC;
stream_putc (s, zapi_flags);
/* Prefix. */
psize = PSIZE (p->prefixlen);
stream_putc (s, p->prefixlen);
stream_write (s, (u_char *) & p->u.prefix, psize);
/*
* XXX The message format sent by zebra below does not match the format
* of the corresponding message expected by the zebra server
* itself (e.g., see zread_ipv4_add). The nexthop_num is not set correctly,
* (is there a bug on the client side if more than one segment is sent?)
* nexthop ZEBRA_NEXTHOP_IPV4 is never set, ZEBRA_NEXTHOP_IFINDEX
* is hard-coded.
*/
/* Nexthop */
for (nexthop = rib->nexthop; nexthop; nexthop = nexthop->next)
{
if (CHECK_FLAG (nexthop->flags, NEXTHOP_FLAG_FIB))
{
nhnummark = stream_get_putp (s);
stream_putc (s, 1); /* placeholder */
nhnum++;
switch(nexthop->type)
{
case NEXTHOP_TYPE_IPV4:
case NEXTHOP_TYPE_IPV4_IFINDEX:
stream_put_in_addr (s, &nexthop->gate.ipv4);
break;
#ifdef HAVE_IPV6
case NEXTHOP_TYPE_IPV6:
case NEXTHOP_TYPE_IPV6_IFINDEX:
case NEXTHOP_TYPE_IPV6_IFNAME:
stream_write (s, (u_char *) &nexthop->gate.ipv6, 16);
break;
#endif
default:
if (cmd == ZEBRA_IPV4_ROUTE_ADD
|| cmd == ZEBRA_IPV4_ROUTE_DELETE)
{
struct in_addr empty;
memset (&empty, 0, sizeof (struct in_addr));
stream_write (s, (u_char *) &empty, IPV4_MAX_BYTELEN);
}
else
{
struct in6_addr empty;
memset (&empty, 0, sizeof (struct in6_addr));
stream_write (s, (u_char *) &empty, IPV6_MAX_BYTELEN);
}
}
/* Interface index. */
stream_putc (s, 1);
stream_putl (s, nexthop->ifindex);
break;
}
}
/* Metric */
stream_putl (s, rib->metric);
/* Write next-hop number */
if (nhnummark)
stream_putc_at (s, nhnummark, nhnum);
/* Write packet size. */
stream_putw_at (s, 0, stream_get_endp (s));
zebra_server_send_message (client->sock, s->data, stream_get_endp (s));
return 0;
}
static int
dissect_zebra_request(proto_tree *tree, gboolean request, tvbuff_t *tvb,
int offset, guint16 len, guint8 command)
{
guint32 prefix4;
guint16 i;
guint8 buffer6[16], prefixlen, message;
proto_item *ti;
proto_tree *msg_tree;
proto_tree_add_uint(tree, hf_zebra_len, tvb, offset, 2, len);
offset += 2;
proto_tree_add_uint(tree, hf_zebra_command, tvb, offset, 1,
command);
offset += 1;
switch(command) {
case ZEBRA_INTERFACE_ADD:
case ZEBRA_INTERFACE_UP:
case ZEBRA_INTERFACE_DOWN:
if (request) break;
/* Request just subscribes to messages */
proto_tree_add_item(tree, hf_zebra_interface,
tvb, offset, INTERFACE_NAMSIZ, ENC_ASCII|ENC_NA);
offset += INTERFACE_NAMSIZ;
proto_tree_add_item(tree, hf_zebra_index, tvb,
offset, 4, ENC_BIG_ENDIAN);
offset += 4;
proto_tree_add_item(tree, hf_zebra_intflags, tvb,
offset, 4, ENC_BIG_ENDIAN);
offset += 4;
proto_tree_add_item(tree, hf_zebra_metric, tvb,
offset, 4, ENC_BIG_ENDIAN);
offset += 4;
proto_tree_add_item(tree, hf_zebra_mtu, tvb,
offset, 4, ENC_BIG_ENDIAN);
offset += 4;
proto_tree_add_item(tree, hf_zebra_bandwidth, tvb,
offset, 4, ENC_BIG_ENDIAN);
offset += 4;
break;
case ZEBRA_INTERFACE_DELETE:
proto_tree_add_item(tree, hf_zebra_interface,
tvb, offset, INTERFACE_NAMSIZ, ENC_ASCII|ENC_NA);
offset += INTERFACE_NAMSIZ;
proto_tree_add_item(tree, hf_zebra_index, tvb,
offset, 4, ENC_BIG_ENDIAN);
offset += 4;
break;
case ZEBRA_INTERFACE_ADDRESS_ADD:
case ZEBRA_INTERFACE_ADDRESS_DELETE:
proto_tree_add_item(tree, hf_zebra_index, tvb,
offset, 4, ENC_BIG_ENDIAN);
offset += 4;
proto_tree_add_item(tree, hf_zebra_family, tvb,
offset, 1, ENC_BIG_ENDIAN);
offset += 1;
/* XXX - switch on the address family here, instead? */
if (len == 17) { /* IPv4 */
proto_tree_add_item(tree, hf_zebra_prefix4,
tvb, offset, 4, ENC_BIG_ENDIAN);
offset += 4;
}
else if (len == 41) { /* IPv6 */
proto_tree_add_item(tree, hf_zebra_prefix6,
tvb, offset, 16, ENC_NA);
offset += 16;
}
else break;
proto_tree_add_item(tree, hf_zebra_prefixlen, tvb,
offset, 1, ENC_BIG_ENDIAN);
offset += 1;
if (len == 17) { /* IPv4 */
proto_tree_add_item(tree, hf_zebra_dest4,
tvb, offset, 4, ENC_BIG_ENDIAN);
offset += 4;
}
else if (len == 41) { /* IPv6 */
proto_tree_add_item(tree, hf_zebra_dest6,
tvb, offset, 16, ENC_NA);
offset += 16;
}
break;
case ZEBRA_IPV4_ROUTE_ADD:
case ZEBRA_IPV4_ROUTE_DELETE:
proto_tree_add_item(tree, hf_zebra_type, tvb,
offset, 1, ENC_BIG_ENDIAN);
offset += 1;
proto_tree_add_item(tree, hf_zebra_rtflags, tvb,
offset, 1, ENC_BIG_ENDIAN);
offset += 1;
message = tvb_get_guint8(tvb, offset);
ti = proto_tree_add_uint(tree, hf_zebra_message, tvb,
offset, 1, message);
msg_tree = proto_item_add_subtree(ti, ett_message);
proto_tree_add_boolean(msg_tree, hf_zebra_msg_nexthop,
tvb, offset, 1, message);
proto_tree_add_boolean(msg_tree, hf_zebra_msg_index,
tvb, offset, 1, message);
proto_tree_add_boolean(msg_tree, hf_zebra_msg_distance,
tvb, offset, 1, message);
proto_tree_add_boolean(msg_tree, hf_zebra_msg_metric,
tvb, offset, 1, message);
offset += 1;
prefixlen = tvb_get_guint8(tvb, offset);
proto_tree_add_uint(tree, hf_zebra_prefixlen, tvb,
offset, 1, prefixlen);
offset += 1;
prefix4 = 0;
tvb_memcpy(tvb, (guint8 *)&prefix4, offset,
MIN((unsigned) PSIZE(prefixlen), sizeof prefix4));
proto_tree_add_ipv4(tree, hf_zebra_prefix4,
tvb, offset, PSIZE(prefixlen), prefix4);
offset += PSIZE(prefixlen);
if (message & ZEBRA_ZAPI_MESSAGE_NEXTHOP) {
i = tvb_get_guint8(tvb, offset);
proto_tree_add_uint(tree, hf_zebra_nexthopnum,
tvb, offset, 1, i);
offset += 1;
if (i>len) break; /* Sanity */
while (i--) {
proto_tree_add_item(tree,
hf_zebra_nexthop4, tvb,
offset, 4, ENC_BIG_ENDIAN);
offset += 4;
}
}
if (message & ZEBRA_ZAPI_MESSAGE_IFINDEX) {
i = tvb_get_guint8(tvb, offset);
proto_tree_add_uint(tree, hf_zebra_indexnum,
tvb, offset, 1, i);
offset += 1;
if (i>len) break; /* Sanity */
while (i--) {
proto_tree_add_item(tree,
hf_zebra_index, tvb,
offset, 4, ENC_BIG_ENDIAN);
offset += 4;
}
}
if (message & ZEBRA_ZAPI_MESSAGE_DISTANCE) {
proto_tree_add_item(tree, hf_zebra_distance,
tvb, offset, 1, ENC_BIG_ENDIAN);
offset += 1;
}
if (message & ZEBRA_ZAPI_MESSAGE_METRIC) {
proto_tree_add_item(tree, hf_zebra_metric,
tvb, offset, 4, ENC_BIG_ENDIAN);
offset += 4;
}
break;
case ZEBRA_IPV6_ROUTE_ADD:
case ZEBRA_IPV6_ROUTE_DELETE:
proto_tree_add_item(tree, hf_zebra_type, tvb,
offset, 1, ENC_BIG_ENDIAN);
offset += 1;
proto_tree_add_item(tree, hf_zebra_rtflags, tvb,
offset, 1, ENC_BIG_ENDIAN);
offset += 1;
message = tvb_get_guint8(tvb, offset);
ti = proto_tree_add_uint(tree, hf_zebra_message, tvb,
offset, 1, message);
msg_tree = proto_item_add_subtree(ti, ett_message);
proto_tree_add_boolean(msg_tree, hf_zebra_msg_nexthop,
tvb, offset, 1, message);
proto_tree_add_boolean(msg_tree, hf_zebra_msg_index,
tvb, offset, 1, message);
proto_tree_add_boolean(msg_tree, hf_zebra_msg_distance,
tvb, offset, 1, message);
proto_tree_add_boolean(msg_tree, hf_zebra_msg_metric,
tvb, offset, 1, message);
offset += 1;
prefixlen = tvb_get_guint8(tvb, offset);
proto_tree_add_uint(tree, hf_zebra_prefixlen, tvb,
offset, 1, prefixlen);
offset += 1;
memset(buffer6, '\0', sizeof buffer6);
tvb_memcpy(tvb, buffer6, offset,
MIN((unsigned) PSIZE(prefixlen), sizeof buffer6));
proto_tree_add_ipv6(tree, hf_zebra_prefix6,
tvb, offset, PSIZE(prefixlen), buffer6);
offset += PSIZE(prefixlen);
if (message & ZEBRA_ZAPI_MESSAGE_NEXTHOP) {
i = tvb_get_guint8(tvb, offset);
proto_tree_add_uint(tree, hf_zebra_nexthopnum,
tvb, offset, 1, i);
offset += 1;
if (i>len) break; /* Sanity */
while (i--) {
proto_tree_add_item(tree,
hf_zebra_nexthop6, tvb,
offset, 16, ENC_NA);
offset += 16;
}
}
if (message & ZEBRA_ZAPI_MESSAGE_IFINDEX) {
i = tvb_get_guint8(tvb, offset);
proto_tree_add_uint(tree, hf_zebra_indexnum,
tvb, offset, 1, i);
offset += 1;
if (i>len) break; /* Sanity */
while (i--) {
proto_tree_add_item(tree,
hf_zebra_index, tvb,
offset, 4, ENC_BIG_ENDIAN);
offset += 4;
}
}
if (message & ZEBRA_ZAPI_MESSAGE_DISTANCE) {
proto_tree_add_item(tree, hf_zebra_distance,
tvb, offset, 1, ENC_BIG_ENDIAN);
offset += 1;
}
if (message & ZEBRA_ZAPI_MESSAGE_METRIC) {
proto_tree_add_item(tree, hf_zebra_metric,
tvb, offset, 4, ENC_BIG_ENDIAN);
offset += 4;
}
break;
case ZEBRA_REDISTRIBUTE_ADD:
case ZEBRA_REDISTRIBUTE_DELETE:
proto_tree_add_item(tree, hf_zebra_type, tvb,
offset, 1, ENC_BIG_ENDIAN);
offset += 1;
break;
case ZEBRA_REDISTRIBUTE_DEFAULT_ADD:
case ZEBRA_REDISTRIBUTE_DEFAULT_DELETE:
break;
case ZEBRA_IPV4_NEXTHOP_LOOKUP:
proto_tree_add_item(tree, hf_zebra_nexthop4,
tvb, offset, 4, ENC_BIG_ENDIAN);
offset += 4;
proto_tree_add_item(tree, hf_zebra_metric,
tvb, offset, 4, ENC_BIG_ENDIAN);
offset += 4;
break;
case ZEBRA_IPV6_NEXTHOP_LOOKUP:
/* Not yet implemeted in ZEBRA */
break;
}
return offset;
}
void
ospf_zebra_add (struct prefix_ipv4 *p, struct ospf_route *or)
{
u_char message;
u_char distance;
u_char flags;
int psize;
struct stream *s;
struct ospf_path *path;
struct listnode *node;
if (zclient->redist[ZEBRA_ROUTE_OSPF])
{
message = 0;
flags = 0;
/* OSPF pass nexthop and metric */
SET_FLAG (message, ZAPI_MESSAGE_NEXTHOP);
SET_FLAG (message, ZAPI_MESSAGE_METRIC);
/* Distance value. */
distance = ospf_distance_apply (p, or);
if (distance)
SET_FLAG (message, ZAPI_MESSAGE_DISTANCE);
/* Make packet. */
s = zclient->obuf;
stream_reset (s);
/* Put command, type, flags, message. */
zclient_create_header (s, ZEBRA_IPV4_ROUTE_ADD);
stream_putc (s, ZEBRA_ROUTE_OSPF);
stream_putc (s, flags);
stream_putc (s, message);
stream_putw (s, SAFI_UNICAST);
/* Put prefix information. */
psize = PSIZE (p->prefixlen);
stream_putc (s, p->prefixlen);
stream_write (s, (u_char *) & p->prefix, psize);
/* Nexthop count. */
stream_putc (s, or->paths->count);
/* Nexthop, ifindex, distance and metric information. */
for (ALL_LIST_ELEMENTS_RO (or->paths, node, path))
{
if (path->nexthop.s_addr != INADDR_ANY &&
path->ifindex != 0)
{
stream_putc (s, ZEBRA_NEXTHOP_IPV4_IFINDEX);
stream_put_in_addr (s, &path->nexthop);
stream_putl (s, path->ifindex);
}
else if (path->nexthop.s_addr != INADDR_ANY)
{
stream_putc (s, ZEBRA_NEXTHOP_IPV4);
stream_put_in_addr (s, &path->nexthop);
}
else
{
stream_putc (s, ZEBRA_NEXTHOP_IFINDEX);
if (path->ifindex)
stream_putl (s, path->ifindex);
else
stream_putl (s, 0);
}
if (IS_DEBUG_OSPF (zebra, ZEBRA_REDISTRIBUTE))
{
char buf[2][INET_ADDRSTRLEN];
zlog_debug("Zebra: Route add %s/%d nexthop %s",
inet_ntop(AF_INET, &p->prefix,
buf[0], sizeof(buf[0])),
p->prefixlen,
inet_ntop(AF_INET, &path->nexthop,
buf[1], sizeof(buf[1])));
}
}
if (CHECK_FLAG (message, ZAPI_MESSAGE_DISTANCE))
stream_putc (s, distance);
if (CHECK_FLAG (message, ZAPI_MESSAGE_METRIC))
{
if (or->path_type == OSPF_PATH_TYPE1_EXTERNAL)
stream_putl (s, or->cost + or->u.ext.type2_cost);
else if (or->path_type == OSPF_PATH_TYPE2_EXTERNAL)
stream_putl (s, or->u.ext.type2_cost);
else
stream_putl (s, or->cost);
}
stream_putw_at (s, 0, stream_get_endp (s));
zclient_send_message(zclient);
}
/* Zebra server IPv4 prefix delete function. */
static void
zread_ipv4_delete (struct zserv *client, u_short length)
{
int i;
struct stream *s;
struct zapi_ipv4 api;
struct in_addr nexthop;
unsigned long ifindex;
struct prefix_ipv4 p;
u_char nexthop_num;
u_char nexthop_type;
u_char ifname_len;
s = client->ibuf;
ifindex = 0;
nexthop.s_addr = 0;
/* Type, flags, message. */
api.type = stream_getc (s);
api.flags = stream_getc (s);
api.message = stream_getc (s);
/* IPv4 prefix. */
memset (&p, 0, sizeof (struct prefix_ipv4));
p.family = AF_INET;
p.prefixlen = stream_getc (s);
stream_get (&p.prefix, s, PSIZE (p.prefixlen));
/* Nexthop, ifindex, distance, metric. */
if (CHECK_FLAG (api.message, ZAPI_MESSAGE_NEXTHOP))
{
nexthop_num = stream_getc (s);
for (i = 0; i < nexthop_num; i++)
{
nexthop_type = stream_getc (s);
switch (nexthop_type)
{
case ZEBRA_NEXTHOP_IFINDEX:
ifindex = stream_getl (s);
break;
case ZEBRA_NEXTHOP_IFNAME:
ifname_len = stream_getc (s);
stream_forward (s, ifname_len);
break;
case ZEBRA_NEXTHOP_IPV4:
nexthop.s_addr = stream_get_ipv4 (s);
break;
case ZEBRA_NEXTHOP_IPV6:
stream_forward (s, IPV6_MAX_BYTELEN);
break;
}
}
}
/* Distance. */
if (CHECK_FLAG (api.message, ZAPI_MESSAGE_DISTANCE))
api.distance = stream_getc (s);
else
api.distance = 0;
/* Metric. */
if (CHECK_FLAG (api.message, ZAPI_MESSAGE_METRIC))
api.metric = stream_getl (s);
else
api.metric = 0;
rib_delete_ipv4 (api.type, api.flags, &p, &nexthop, ifindex,
client->rtm_table);
}
/* Zebra server IPv6 prefix add function. */
static void
zread_ipv6_add (struct zserv *client, u_short length)
{
int i;
struct stream *s;
struct zapi_ipv6 api;
struct in6_addr nexthop;
unsigned long ifindex;
struct prefix_ipv6 p;
s = client->ibuf;
ifindex = 0;
memset (&nexthop, 0, sizeof (struct in6_addr));
/* Type, flags, message. */
api.type = stream_getc (s);
api.flags = stream_getc (s);
api.message = stream_getc (s);
/* IPv4 prefix. */
memset (&p, 0, sizeof (struct prefix_ipv6));
p.family = AF_INET6;
p.prefixlen = stream_getc (s);
stream_get (&p.prefix, s, PSIZE (p.prefixlen));
/* Nexthop, ifindex, distance, metric. */
if (CHECK_FLAG (api.message, ZAPI_MESSAGE_NEXTHOP))
{
u_char nexthop_type;
api.nexthop_num = stream_getc (s);
for (i = 0; i < api.nexthop_num; i++)
{
nexthop_type = stream_getc (s);
switch (nexthop_type)
{
case ZEBRA_NEXTHOP_IPV6:
stream_get (&nexthop, s, 16);
break;
case ZEBRA_NEXTHOP_IFINDEX:
ifindex = stream_getl (s);
break;
}
}
}
if (CHECK_FLAG (api.message, ZAPI_MESSAGE_DISTANCE))
api.distance = stream_getc (s);
else
api.distance = 0;
if (CHECK_FLAG (api.message, ZAPI_MESSAGE_METRIC))
api.metric = stream_getl (s);
else
api.metric = 0;
if (IN6_IS_ADDR_UNSPECIFIED (&nexthop))
rib_add_ipv6 (api.type, api.flags, &p, NULL, ifindex, 0, api.metric,
api.distance);
else
rib_add_ipv6 (api.type, api.flags, &p, &nexthop, ifindex, 0, api.metric,
api.distance);
}
static int redist_read_ipv4_route(int command, struct zclient *zclient,
zebra_size_t length, vrf_id_t vrf_id)
{
struct stream *s;
struct zapi_ipv4 api;
unsigned long ifindex;
struct in_addr nexthop;
struct prefix_ipv4 p;
int min_len = 4;
if (length < min_len) {
zlog_warn("%s %s: short buffer: length=%d min=%d",
__FILE__, __PRETTY_FUNCTION__,
length, min_len);
return -1;
}
s = zclient->ibuf;
ifindex = 0;
nexthop.s_addr = 0;
/* Type, flags, message. */
api.type = stream_getc(s);
api.flags = stream_getc(s);
api.message = stream_getc(s);
/* IPv4 prefix length. */
memset(&p, 0, sizeof(struct prefix_ipv4));
p.family = AF_INET;
p.prefixlen = stream_getc(s);
min_len +=
PSIZE(p.prefixlen) +
CHECK_FLAG(api.message, ZAPI_MESSAGE_NEXTHOP) ? 5 : 0 +
CHECK_FLAG(api.message, ZAPI_MESSAGE_IFINDEX) ? 5 : 0 +
CHECK_FLAG(api.message, ZAPI_MESSAGE_DISTANCE) ? 1 : 0 +
CHECK_FLAG(api.message, ZAPI_MESSAGE_METRIC) ? 4 : 0;
if (PIM_DEBUG_ZEBRA) {
zlog_debug("%s %s: length=%d min_len=%d flags=%s%s%s%s",
__FILE__, __PRETTY_FUNCTION__,
length, min_len,
CHECK_FLAG(api.message, ZAPI_MESSAGE_NEXTHOP) ? "nh" : "",
CHECK_FLAG(api.message, ZAPI_MESSAGE_IFINDEX) ? " ifi" : "",
CHECK_FLAG(api.message, ZAPI_MESSAGE_DISTANCE) ? " dist" : "",
CHECK_FLAG(api.message, ZAPI_MESSAGE_METRIC) ? " metr" : "");
}
if (length < min_len) {
zlog_warn("%s %s: short buffer: length=%d min_len=%d flags=%s%s%s%s",
__FILE__, __PRETTY_FUNCTION__,
length, min_len,
CHECK_FLAG(api.message, ZAPI_MESSAGE_NEXTHOP) ? "nh" : "",
CHECK_FLAG(api.message, ZAPI_MESSAGE_IFINDEX) ? " ifi" : "",
CHECK_FLAG(api.message, ZAPI_MESSAGE_DISTANCE) ? " dist" : "",
CHECK_FLAG(api.message, ZAPI_MESSAGE_METRIC) ? " metr" : "");
return -1;
}
/* IPv4 prefix. */
stream_get(&p.prefix, s, PSIZE(p.prefixlen));
/* Nexthop, ifindex, distance, metric. */
if (CHECK_FLAG(api.message, ZAPI_MESSAGE_NEXTHOP)) {
api.nexthop_num = stream_getc(s);
nexthop.s_addr = stream_get_ipv4(s);
}
if (CHECK_FLAG(api.message, ZAPI_MESSAGE_IFINDEX)) {
api.ifindex_num = stream_getc(s);
ifindex = stream_getl(s);
}
api.distance = CHECK_FLAG(api.message, ZAPI_MESSAGE_DISTANCE) ?
stream_getc(s) :
0;
api.metric = CHECK_FLAG(api.message, ZAPI_MESSAGE_METRIC) ?
stream_getl(s) :
0;
switch (command) {
case ZEBRA_IPV4_ROUTE_ADD:
if (PIM_DEBUG_ZEBRA) {
char buf[2][INET_ADDRSTRLEN];
zlog_debug("%s: add %s %s/%d "
"nexthop %s ifindex %ld metric%s %u distance%s %u",
__PRETTY_FUNCTION__,
zebra_route_string(api.type),
inet_ntop(AF_INET, &p.prefix, buf[0], sizeof(buf[0])),
p.prefixlen,
inet_ntop(AF_INET, &nexthop, buf[1], sizeof(buf[1])),
ifindex,
CHECK_FLAG(api.message, ZAPI_MESSAGE_METRIC) ? "-recv" : "-miss",
api.metric,
CHECK_FLAG(api.message, ZAPI_MESSAGE_DISTANCE) ? "-recv" : "-miss",
api.distance);
}
break;
case ZEBRA_IPV4_ROUTE_DELETE:
if (PIM_DEBUG_ZEBRA) {
char buf[2][INET_ADDRSTRLEN];
zlog_debug("%s: delete %s %s/%d "
"nexthop %s ifindex %ld metric%s %u distance%s %u",
__PRETTY_FUNCTION__,
zebra_route_string(api.type),
inet_ntop(AF_INET, &p.prefix, buf[0], sizeof(buf[0])),
p.prefixlen,
inet_ntop(AF_INET, &nexthop, buf[1], sizeof(buf[1])),
ifindex,
CHECK_FLAG(api.message, ZAPI_MESSAGE_METRIC) ? "-recv" : "-miss",
api.metric,
CHECK_FLAG(api.message, ZAPI_MESSAGE_DISTANCE) ? "-recv" : "-miss",
api.distance);
}
break;
default:
zlog_warn("%s: unknown command=%d", __PRETTY_FUNCTION__, command);
return -1;
}
sched_rpf_cache_refresh();
return 0;
}
int
ospf6_zebra_read_ipv6 (int command, struct zclient *zclient,
zebra_size_t length)
{
struct stream *s;
struct zapi_ipv6 api;
unsigned long ifindex;
struct prefix_ipv6 p;
struct in6_addr *nexthop;
char prefixstr[128], nexthopstr[128];
s = zclient->ibuf;
ifindex = 0;
nexthop = NULL;
memset (&api, 0, sizeof (api));
/* Type, flags, message. */
api.type = stream_getc (s);
api.flags = stream_getc (s);
api.message = stream_getc (s);
/* IPv6 prefix. */
memset (&p, 0, sizeof (struct prefix_ipv6));
p.family = AF_INET6;
p.prefixlen = stream_getc (s);
stream_get (&p.prefix, s, PSIZE (p.prefixlen));
/* Nexthop, ifindex, distance, metric. */
if (CHECK_FLAG (api.message, ZAPI_MESSAGE_NEXTHOP))
{
api.nexthop_num = stream_getc (s);
nexthop = (struct in6_addr *)
malloc (api.nexthop_num * sizeof (struct in6_addr));
stream_get (nexthop, s, api.nexthop_num * sizeof (struct in6_addr));
}
if (CHECK_FLAG (api.message, ZAPI_MESSAGE_IFINDEX))
{
api.ifindex_num = stream_getc (s);
ifindex = stream_getl (s);
}
if (CHECK_FLAG (api.message, ZAPI_MESSAGE_DISTANCE))
api.distance = stream_getc (s);
else
api.distance = 0;
if (CHECK_FLAG (api.message, ZAPI_MESSAGE_METRIC))
api.metric = stream_getl (s);
else
api.metric = 0;
/* log */
if (IS_OSPF6_DUMP_ZEBRA)
{
prefix2str ((struct prefix *)&p, prefixstr, sizeof (prefixstr));
inet_ntop (AF_INET6, &nexthop, nexthopstr, sizeof (nexthopstr));
if (command == ZEBRA_IPV6_ROUTE_ADD)
zlog_info ("ZEBRA: Receive add %s route: %s nexthop:%s ifindex:%ld",
zebra_route_name [api.type], prefixstr,
nexthopstr, ifindex);
else
zlog_info ("ZEBRA: Receive remove %s route: %s nexthop:%s ifindex:%ld",
zebra_route_name [api.type], prefixstr,
nexthopstr, ifindex);
}
if (command == ZEBRA_IPV6_ROUTE_ADD)
ospf6_asbr_route_add (api.type, ifindex, (struct prefix *) &p,
api.nexthop_num, nexthop);
else
ospf6_asbr_route_remove (api.type, ifindex, (struct prefix *) &p);
if (CHECK_FLAG (api.message, ZAPI_MESSAGE_NEXTHOP))
free (nexthop);
return 0;
}
void menuModelSensor(uint8_t event)
{
TelemetrySensor * sensor = & g_model.telemetrySensors[s_currIdx];
SUBMENU(STR_MENUSENSOR, SENSOR_FIELD_MAX, {0, 0, sensor->type == TELEM_TYPE_CALCULATED ? (uint8_t)0 : (uint8_t)1, SENSOR_UNIT_ROWS, SENSOR_PREC_ROWS, SENSOR_PARAM1_ROWS, SENSOR_PARAM2_ROWS, SENSOR_PARAM3_ROWS, SENSOR_PARAM4_ROWS, SENSOR_AUTOOFFSET_ROWS, SENSOR_FILTER_ROWS, SENSOR_PERSISTENT_ROWS, 0 });
lcd_outdezAtt(PSIZE(TR_MENUSENSOR)*FW+1, 0, s_currIdx+1, INVERS|LEFT);
putsTelemetryChannelValue(SENSOR_2ND_COLUMN, 0, s_currIdx, getValue(MIXSRC_FIRST_TELEM+3*s_currIdx), LEFT);
int8_t sub = m_posVert;
for (uint8_t i=0; i<LCD_LINES-1; i++) {
coord_t y = MENU_HEADER_HEIGHT + 1 + i*FH;
uint8_t k = i + s_pgOfs;
for (int j=0; j<k; j++) {
if (mstate_tab[j+1] == HIDDEN_ROW)
k++;
}
uint8_t attr = (sub==k ? (s_editMode>0 ? BLINK|INVERS : INVERS) : 0);
switch (k) {
case SENSOR_FIELD_NAME:
editSingleName(SENSOR_2ND_COLUMN, y, STR_NAME, sensor->label, TELEM_LABEL_LEN, event, attr);
break;
case SENSOR_FIELD_TYPE:
sensor->type = selectMenuItem(SENSOR_2ND_COLUMN, y, NO_INDENT(STR_TYPE), STR_VSENSORTYPES, sensor->type, 0, 1, attr, event);
if (attr && checkIncDec_Ret) {
sensor->instance = 0;
if (sensor->type == TELEM_TYPE_CALCULATED) {
sensor->param = 0;
sensor->autoOffset = 0;
sensor->filter = 0;
}
}
break;
case SENSOR_FIELD_ID:
if (sensor->type == TELEM_TYPE_CUSTOM) {
lcd_putsLeft(y, STR_ID);
lcd_outhex4(SENSOR_2ND_COLUMN, y, sensor->id, LEFT|(m_posHorz==0 ? attr : 0));
lcd_outdezAtt(SENSOR_3RD_COLUMN, y, sensor->instance, LEFT|(m_posHorz==1 ? attr : 0));
if (attr) {
switch (m_posHorz) {
case 0:
CHECK_INCDEC_MODELVAR_ZERO(event, sensor->id, 0xffff);
break;
case 1:
CHECK_INCDEC_MODELVAR_ZERO(event, sensor->instance, 0xff);
break;
}
}
}
else {
sensor->formula = selectMenuItem(SENSOR_2ND_COLUMN, y, STR_FORMULA, STR_VFORMULAS, sensor->formula, 0, TELEM_FORMULA_LAST, attr, event);
if (attr && checkIncDec_Ret) {
sensor->param = 0;
if (sensor->formula == TELEM_FORMULA_CELL) {
sensor->unit = UNIT_VOLTS;
sensor->prec = 2;
}
else if (sensor->formula == TELEM_FORMULA_DIST) {
sensor->unit = UNIT_DIST;
sensor->prec = 0;
}
else if (sensor->formula == TELEM_FORMULA_CONSUMPTION) {
sensor->unit = UNIT_MAH;
sensor->prec = 0;
}
}
}
break;
case SENSOR_FIELD_UNIT:
lcd_putsLeft(y, "Unit");
// TODO flash saving with selectMenuItem where I copied those 2 lines?
lcd_putsiAtt(SENSOR_2ND_COLUMN, y, STR_VTELEMUNIT, sensor->unit, attr);
if (attr) {
CHECK_INCDEC_MODELVAR_ZERO(event, sensor->unit, UNIT_MAX);
if (checkIncDec_Ret) {
telemetryItems[s_currIdx].clear();
}
}
break;
case SENSOR_FIELD_PRECISION:
sensor->prec = selectMenuItem(SENSOR_2ND_COLUMN, y, STR_PRECISION, STR_VPREC, sensor->prec, 0, 2, attr, event);
if (attr && checkIncDec_Ret) {
telemetryItems[s_currIdx].clear();
}
break;
case SENSOR_FIELD_PARAM1:
if (sensor->type == TELEM_TYPE_CALCULATED) {
if (sensor->formula == TELEM_FORMULA_CELL) {
lcd_putsLeft(y, STR_CELLSENSOR);
putsMixerSource(SENSOR_2ND_COLUMN, y, sensor->cell.source ? MIXSRC_FIRST_TELEM+3*(sensor->cell.source-1) : 0, attr);
if (attr) {
sensor->cell.source = checkIncDec(event, sensor->cell.source, 0, MAX_SENSORS, EE_MODEL|NO_INCDEC_MARKS, isCellsSensor);
}
break;
}
else if (sensor->formula == TELEM_FORMULA_DIST) {
lcd_putsLeft(y, STR_GPSSENSOR);
putsMixerSource(SENSOR_2ND_COLUMN, y, sensor->dist.gps ? MIXSRC_FIRST_TELEM+3*(sensor->dist.gps-1) : 0, attr);
if (attr) {
sensor->dist.gps = checkIncDec(event, sensor->dist.gps, 0, MAX_SENSORS, EE_MODEL|NO_INCDEC_MARKS, isGPSSensor);
}
break;
}
else if (sensor->formula == TELEM_FORMULA_CONSUMPTION) {
lcd_putsLeft(y, STR_CURRENTSENSOR);
putsMixerSource(SENSOR_2ND_COLUMN, y, sensor->consumption.source ? MIXSRC_FIRST_TELEM+3*(sensor->consumption.source-1) : 0, attr);
if (attr) {
sensor->consumption.source = checkIncDec(event, sensor->consumption.source, 0, MAX_SENSORS, EE_MODEL|NO_INCDEC_MARKS, isCurrentSensor);
}
break;
}
}
else {
if (sensor->unit == UNIT_RPMS) {
lcd_putsLeft(y, NO_INDENT(STR_BLADES));
if (attr) CHECK_INCDEC_MODELVAR(event, sensor->custom.ratio, 1, 30000);
lcd_outdezAtt(SENSOR_2ND_COLUMN, y, sensor->custom.ratio, LEFT|attr);
break;
}
else {
lcd_putsLeft(y, STR_RATIO);
if (attr) CHECK_INCDEC_MODELVAR(event, sensor->custom.ratio, 0, 30000);
if (sensor->custom.ratio == 0)
lcd_putcAtt(SENSOR_2ND_COLUMN, y, '-', attr);
else
lcd_outdezAtt(SENSOR_2ND_COLUMN, y, sensor->custom.ratio, LEFT|attr|PREC1);
break;
}
}
// no break
case SENSOR_FIELD_PARAM2:
if (sensor->type == TELEM_TYPE_CALCULATED) {
if (sensor->formula == TELEM_FORMULA_CELL) {
sensor->cell.index = selectMenuItem(SENSOR_2ND_COLUMN, y, STR_CELLINDEX, STR_VCELLINDEX, sensor->cell.index, 0, 8, attr, event);
break;
}
else if (sensor->formula == TELEM_FORMULA_DIST) {
lcd_putsLeft(y, STR_ALTSENSOR);
putsMixerSource(SENSOR_2ND_COLUMN, y, sensor->dist.alt ? MIXSRC_FIRST_TELEM+3*(sensor->dist.alt-1) : 0, attr);
if (attr) {
sensor->dist.alt = checkIncDec(event, sensor->dist.alt, 0, MAX_SENSORS, EE_MODEL|NO_INCDEC_MARKS, isAltSensor);
}
break;
}
}
else {
lcd_putsLeft(y, NO_INDENT(STR_OFFSET));
if (attr) CHECK_INCDEC_MODELVAR(event, sensor->custom.offset, -30000, +30000);
if (sensor->prec > 0) attr |= (sensor->prec == 2 ? PREC2 : PREC1);
lcd_outdezAtt(SENSOR_2ND_COLUMN, y, sensor->custom.offset, LEFT|attr);
break;
}
// no break
case SENSOR_FIELD_PARAM3:
// no break
case SENSOR_FIELD_PARAM4:
{
putsStrIdx(0, y, NO_INDENT(STR_SOURCE), k-SENSOR_FIELD_PARAM1+1);
int8_t & source = sensor->calc.sources[k-SENSOR_FIELD_PARAM1];
if (attr) {
source = checkIncDec(event, source, -MAX_SENSORS, MAX_SENSORS, EE_MODEL|NO_INCDEC_MARKS, isSensorAvailable);
}
if (source < 0) {
lcd_putcAtt(SENSOR_2ND_COLUMN, y, '-', attr);
putsMixerSource(lcdNextPos, y, MIXSRC_FIRST_TELEM+3*(-1-source), attr);
}
else {
putsMixerSource(SENSOR_2ND_COLUMN, y, source ? MIXSRC_FIRST_TELEM+3*(source-1) : 0, attr);
}
break;
}
case SENSOR_FIELD_AUTOOFFSET:
ON_OFF_MENU_ITEM(sensor->autoOffset, SENSOR_2ND_COLUMN, y, STR_AUTOOFFSET, attr, event);
break;
case SENSOR_FIELD_ONLYPOSITIVE:
ON_OFF_MENU_ITEM(sensor->onlyPositive, SENSOR_2ND_COLUMN, y, STR_ONLYPOSITIVE, attr, event);
break;
case SENSOR_FIELD_FILTER:
ON_OFF_MENU_ITEM(sensor->filter, SENSOR_2ND_COLUMN, y, STR_FILTER, attr, event);
break;
case SENSOR_FIELD_PERSISTENT:
ON_OFF_MENU_ITEM(sensor->persistent, SENSOR_2ND_COLUMN, y, NO_INDENT(STR_PERSISTENT), attr, event);
break;
case SENSOR_FIELD_LOGS:
ON_OFF_MENU_ITEM(sensor->logs, SENSOR_2ND_COLUMN, y, STR_LOGS, attr, event);
break;
}
}
}
/* Zebra route add and delete treatment. */
static int
zebra_read_ipv6 (int command, struct zclient *zclient, zebra_size_t length)
{
struct stream *s;
struct zapi_ipv6 api;
struct in6_addr nexthop;
struct prefix_ipv6 p;
s = zclient->ibuf;
memset (&nexthop, 0, sizeof (struct in6_addr));
/* Type, flags, message. */
api.type = stream_getc (s);
api.flags = stream_getc (s);
api.message = stream_getc (s);
/* IPv6 prefix. */
memset (&p, 0, sizeof (struct prefix_ipv6));
p.family = AF_INET6;
p.prefixlen = stream_getc (s);
stream_get (&p.prefix, s, PSIZE (p.prefixlen));
/* Nexthop, ifindex, distance, metric. */
if (CHECK_FLAG (api.message, ZAPI_MESSAGE_NEXTHOP))
{
api.nexthop_num = stream_getc (s);
stream_get (&nexthop, s, 16);
}
if (CHECK_FLAG (api.message, ZAPI_MESSAGE_IFINDEX))
{
api.ifindex_num = stream_getc (s);
stream_getl (s); /* ifindex, unused */
}
if (CHECK_FLAG (api.message, ZAPI_MESSAGE_DISTANCE))
api.distance = stream_getc (s);
else
api.distance = 0;
if (CHECK_FLAG (api.message, ZAPI_MESSAGE_METRIC))
api.metric = stream_getl (s);
else
api.metric = 0;
/* Simply ignore link-local address. */
if (IN6_IS_ADDR_LINKLOCAL (&p.prefix))
return 0;
if (command == ZEBRA_IPV6_ROUTE_ADD)
{
if (BGP_DEBUG(zebra, ZEBRA))
{
char buf[2][INET6_ADDRSTRLEN];
zlog_debug("Zebra rcvd: IPv6 route add %s %s/%d nexthop %s metric %u",
zebra_route_string(api.type),
inet_ntop(AF_INET6, &p.prefix, buf[0], sizeof(buf[0])),
p.prefixlen,
inet_ntop(AF_INET, &nexthop, buf[1], sizeof(buf[1])),
api.metric);
}
bgp_redistribute_add ((struct prefix *)&p, NULL, &nexthop,
api.metric, api.type);
}
else
{
if (BGP_DEBUG(zebra, ZEBRA))
{
char buf[2][INET6_ADDRSTRLEN];
zlog_debug("Zebra rcvd: IPv6 route delete %s %s/%d "
"nexthop %s metric %u",
zebra_route_string(api.type),
inet_ntop(AF_INET6, &p.prefix, buf[0], sizeof(buf[0])),
p.prefixlen,
inet_ntop(AF_INET6, &nexthop, buf[1], sizeof(buf[1])),
api.metric);
}
bgp_redistribute_delete ((struct prefix *) &p, api.type);
}
return 0;
}
static void
isis_zebra_route_add_ipv4 (struct prefix *prefix,
struct isis_route_info *route_info)
{
u_char message, flags;
int psize;
struct stream *stream;
struct isis_nexthop *nexthop;
struct listnode *node;
if (CHECK_FLAG (route_info->flag, ISIS_ROUTE_FLAG_ZEBRA_SYNCED))
return;
if (vrf_bitmap_check (zclient->redist[ZEBRA_ROUTE_ISIS], VRF_DEFAULT))
{
message = 0;
flags = 0;
SET_FLAG (message, ZAPI_MESSAGE_NEXTHOP);
SET_FLAG (message, ZAPI_MESSAGE_METRIC);
#if 0
SET_FLAG (message, ZAPI_MESSAGE_DISTANCE);
#endif
stream = zclient->obuf;
stream_reset (stream);
zclient_create_header (stream, ZEBRA_IPV4_ROUTE_ADD, VRF_DEFAULT);
/* type */
stream_putc (stream, ZEBRA_ROUTE_ISIS);
/* flags */
stream_putc (stream, flags);
/* message */
stream_putc (stream, message);
/* SAFI */
stream_putw (stream, SAFI_UNICAST);
/* prefix information */
psize = PSIZE (prefix->prefixlen);
stream_putc (stream, prefix->prefixlen);
stream_write (stream, (u_char *) & prefix->u.prefix4, psize);
stream_putc (stream, listcount (route_info->nexthops));
/* Nexthop, ifindex, distance and metric information */
for (ALL_LIST_ELEMENTS_RO (route_info->nexthops, node, nexthop))
{
/* FIXME: can it be ? */
if (nexthop->ip.s_addr != INADDR_ANY)
{
stream_putc (stream, ZEBRA_NEXTHOP_IPV4);
stream_put_in_addr (stream, &nexthop->ip);
}
else
{
stream_putc (stream, ZEBRA_NEXTHOP_IFINDEX);
stream_putl (stream, nexthop->ifindex);
}
}
#if 0
if (CHECK_FLAG (message, ZAPI_MESSAGE_DISTANCE))
stream_putc (stream, route_info->depth);
#endif
if (CHECK_FLAG (message, ZAPI_MESSAGE_METRIC))
stream_putl (stream, route_info->cost);
stream_putw_at (stream, 0, stream_get_endp (stream));
zclient_send_message(zclient);
SET_FLAG (route_info->flag, ISIS_ROUTE_FLAG_ZEBRA_SYNCED);
UNSET_FLAG (route_info->flag, ISIS_ROUTE_FLAG_ZEBRA_RESYNC);
}
void
bgp_dump_routes_entry (struct prefix *p, struct bgp_info *info, int afi,
int type, unsigned int seq)
{
struct stream *obuf;
struct attr *attr;
struct peer *peer;
int plen;
int safi = 0;
/* Make dump stream. */
obuf = bgp_dump_obuf;
stream_reset (obuf);
attr = info->attr;
peer = info->peer;
/* We support MRT's old format. */
if (type == MSG_TABLE_DUMP)
{
bgp_dump_header (obuf, MSG_TABLE_DUMP, afi);
stream_putw (obuf, 0); /* View # */
stream_putw (obuf, seq); /* Sequence number. */
}
else
{
bgp_dump_header (obuf, MSG_PROTOCOL_BGP4MP, BGP4MP_ENTRY);
stream_putl (obuf, info->uptime); /* Time Last Change */
stream_putw (obuf, afi); /* Address Family */
stream_putc (obuf, safi); /* SAFI */
}
if (afi == AFI_IP)
{
if (type == MSG_TABLE_DUMP)
{
/* Prefix */
stream_put_in_addr (obuf, &p->u.prefix4);
stream_putc (obuf, p->prefixlen);
/* Status */
stream_putc (obuf, 1);
/* Originated */
stream_putl (obuf, info->uptime);
/* Peer's IP address */
stream_put_in_addr (obuf, &peer->su.sin.sin_addr);
/* Peer's AS number. */
stream_putw (obuf, peer->as);
/* Dump attribute. */
bgp_dump_routes_attr (obuf, attr, p);
}
else
{
/* Next-Hop-Len */
stream_putc (obuf, IPV4_MAX_BYTELEN);
stream_put_in_addr (obuf, &attr->nexthop);
stream_putc (obuf, p->prefixlen);
plen = PSIZE (p->prefixlen);
stream_put (obuf, &p->u.prefix4, plen);
bgp_dump_routes_attr (obuf, attr, p);
}
}
#ifdef HAVE_IPV6
else if (afi == AFI_IP6)
{
if (type == MSG_TABLE_DUMP)
{
/* Prefix */
stream_write (obuf, (u_char *)&p->u.prefix6, IPV6_MAX_BYTELEN);
stream_putc (obuf, p->prefixlen);
/* Status */
stream_putc (obuf, 1);
/* Originated */
stream_putl (obuf, info->uptime);
/* Peer's IP address */
stream_write (obuf, (u_char *)&peer->su.sin6.sin6_addr,
IPV6_MAX_BYTELEN);
/* Peer's AS number. */
stream_putw (obuf, peer->as);
/* Dump attribute. */
bgp_dump_routes_attr (obuf, attr, p);
}
else
{
;
}
}
#endif /* HAVE_IPV6 */
/* Set length. */
bgp_dump_set_size (obuf, type);
fwrite (STREAM_DATA (obuf), stream_get_putp (obuf), 1, bgp_dump_routes.fp);
fflush (bgp_dump_routes.fp);
}
const pm_char *openLogs()
{
// Determine and set log file filename
FRESULT result;
DIR folder;
char filename[34]; // /LOGS/modelnamexxx-2013-01-01.log
if (!sdMounted())
return STR_NO_SDCARD;
if (sdGetFreeSectors() == 0)
return STR_SDCARD_FULL;
// check and create folder here
strcpy_P(filename, STR_LOGS_PATH);
result = f_opendir(&folder, filename);
if (result != FR_OK) {
if (result == FR_NO_PATH)
result = f_mkdir(filename);
if (result != FR_OK)
return SDCARD_ERROR(result);
}
filename[sizeof(LOGS_PATH)-1] = '/';
memcpy(&filename[sizeof(LOGS_PATH)], g_model.header.name, sizeof(g_model.header.name));
filename[sizeof(LOGS_PATH)+sizeof(g_model.header.name)] = '\0';
uint8_t i = sizeof(LOGS_PATH)+sizeof(g_model.header.name)-1;
uint8_t len = 0;
while (i>sizeof(LOGS_PATH)-1) {
if (!len && filename[i])
len = i+1;
if (len) {
if (filename[i])
filename[i] = idx2char(filename[i]);
else
filename[i] = '_';
}
i--;
}
if (len == 0) {
uint8_t num = g_eeGeneral.currModel + 1;
strcpy_P(&filename[sizeof(LOGS_PATH)], STR_MODEL);
filename[sizeof(LOGS_PATH) + PSIZE(TR_MODEL)] = (char)((num / 10) + '0');
filename[sizeof(LOGS_PATH) + PSIZE(TR_MODEL) + 1] = (char)((num % 10) + '0');
len = sizeof(LOGS_PATH) + PSIZE(TR_MODEL) + 2;
}
char * tmp = &filename[len];
#if defined(RTCLOCK)
tmp = strAppendDate(&filename[len]);
#endif
strcpy_P(tmp, STR_LOGS_EXT);
result = f_open(&g_oLogFile, filename, FA_OPEN_ALWAYS | FA_WRITE);
if (result != FR_OK) {
return SDCARD_ERROR(result);
}
if (f_size(&g_oLogFile) == 0) {
writeHeader();
}
else {
result = f_lseek(&g_oLogFile, f_size(&g_oLogFile)); // append
if (result != FR_OK) {
return SDCARD_ERROR(result);
}
}
return NULL;
}
void
isis_zebra_route_add_ipv4 (struct prefix *prefix,
struct isis_route_info *route_info)
{
u_char message, flags;
int psize;
struct stream *stream;
struct isis_nexthop *nexthop;
struct listnode *node;
if (CHECK_FLAG (route_info->flag, ISIS_ROUTE_FLAG_ZEBRA_SYNC))
return;
if (zclient->redist[ZEBRA_ROUTE_ISIS])
{
message = 0;
flags = 0;
SET_FLAG (message, ZAPI_MESSAGE_NEXTHOP);
SET_FLAG (message, ZAPI_MESSAGE_METRIC);
#if 0
SET_FLAG (message, ZAPI_MESSAGE_DISTANCE);
#endif
stream = zclient->obuf;
stream_reset (stream);
/* Length place holder. */
stream_putw (stream, 0);
/* command */
stream_putc (stream, ZEBRA_IPV4_ROUTE_ADD);
/* type */
stream_putc (stream, ZEBRA_ROUTE_ISIS);
/* flags */
stream_putc (stream, flags);
/* message */
stream_putc (stream, message);
/* prefix information */
psize = PSIZE (prefix->prefixlen);
stream_putc (stream, prefix->prefixlen);
stream_write (stream, (u_char *) & prefix->u.prefix4, psize);
stream_putc (stream, listcount (route_info->nexthops));
/* Nexthop, ifindex, distance and metric information */
for (node = listhead (route_info->nexthops); node; nextnode (node))
{
nexthop = getdata (node);
/* FIXME: can it be ? */
if (nexthop->ip.s_addr != INADDR_ANY)
{
stream_putc (stream, ZEBRA_NEXTHOP_IPV4);
stream_put_in_addr (stream, &nexthop->ip);
}
else
{
stream_putc (stream, ZEBRA_NEXTHOP_IFINDEX);
stream_putl (stream, nexthop->ifindex);
}
}
#if 0
if (CHECK_FLAG (message, ZAPI_MESSAGE_DISTANCE))
stream_putc (stream, route_info->depth);
#endif
if (CHECK_FLAG (message, ZAPI_MESSAGE_METRIC))
stream_putl (stream, route_info->cost);
stream_putw_at (stream, 0, stream_get_endp (stream));
writen (zclient->sock, stream->data, stream_get_endp (stream));
}
}
/*
* Parse the ZEBRA_IPV4_ROUTE_ADD sent from client. Update rib and
* add kernel route.
*/
static void
zread_ipv4_add (struct zserv *client, u_short length)
{
int i;
struct rib *rib;
struct prefix_ipv4 p;
u_char message;
struct in_addr nexthop;
u_char nexthop_num;
u_char nexthop_type;
struct stream *s;
unsigned int ifindex;
u_char ifname_len;
/* Get input stream. */
s = client->ibuf;
/* Allocate new rib. */
rib = XMALLOC (MTYPE_RIB, sizeof (struct rib));
memset (rib, 0, sizeof (struct rib));
/* Type, flags, message. */
rib->type = stream_getc (s);
rib->flags = stream_getc (s);
message = stream_getc (s);
rib->uptime = time (NULL);
/* IPv4 prefix. */
memset (&p, 0, sizeof (struct prefix_ipv4));
p.family = AF_INET;
p.prefixlen = stream_getc (s);
stream_get (&p.prefix, s, PSIZE (p.prefixlen));
/* Nexthop parse. */
if (CHECK_FLAG (message, ZAPI_MESSAGE_NEXTHOP))
{
nexthop_num = stream_getc (s);
for (i = 0; i < nexthop_num; i++)
{
nexthop_type = stream_getc (s);
switch (nexthop_type)
{
case ZEBRA_NEXTHOP_IFINDEX:
ifindex = stream_getl (s);
nexthop_ifindex_add (rib, ifindex);
break;
case ZEBRA_NEXTHOP_IFNAME:
ifname_len = stream_getc (s);
stream_forward (s, ifname_len);
break;
case ZEBRA_NEXTHOP_IPV4:
nexthop.s_addr = stream_get_ipv4 (s);
nexthop_ipv4_add (rib, &nexthop);
break;
case ZEBRA_NEXTHOP_IPV6:
stream_forward (s, IPV6_MAX_BYTELEN);
break;
case ZEBRA_NEXTHOP_BLACKHOLE:
nexthop_blackhole_add (rib);
break;
}
}
}
/* Distance. */
if (CHECK_FLAG (message, ZAPI_MESSAGE_DISTANCE))
rib->distance = stream_getc (s);
/* Metric. */
if (CHECK_FLAG (message, ZAPI_MESSAGE_METRIC))
rib->metric = stream_getl (s);
rib_add_ipv4_multipath (&p, rib);
}
static int
ospf6_zebra_read_ipv6 (int command, struct zclient *zclient,
zebra_size_t length)
{
struct stream *s;
struct zapi_ipv6 api;
unsigned long ifindex;
struct prefix_ipv6 p;
struct in6_addr *nexthop;
s = zclient->ibuf;
ifindex = 0;
nexthop = NULL;
memset (&api, 0, sizeof (api));
/* Type, flags, message. */
api.type = stream_getc (s);
api.flags = stream_getc (s);
api.message = stream_getc (s);
/* IPv6 prefix. */
memset (&p, 0, sizeof (struct prefix_ipv6));
p.family = AF_INET6;
p.prefixlen = stream_getc (s);
stream_get (&p.prefix, s, PSIZE (p.prefixlen));
/* Nexthop, ifindex, distance, metric. */
if (CHECK_FLAG (api.message, ZAPI_MESSAGE_NEXTHOP))
{
api.nexthop_num = stream_getc (s);
nexthop = (struct in6_addr *)
malloc (api.nexthop_num * sizeof (struct in6_addr));
stream_get (nexthop, s, api.nexthop_num * sizeof (struct in6_addr));
}
if (CHECK_FLAG (api.message, ZAPI_MESSAGE_IFINDEX))
{
api.ifindex_num = stream_getc (s);
ifindex = stream_getl (s);
}
if (CHECK_FLAG (api.message, ZAPI_MESSAGE_DISTANCE))
api.distance = stream_getc (s);
else
api.distance = 0;
if (CHECK_FLAG (api.message, ZAPI_MESSAGE_METRIC))
api.metric = stream_getl (s);
else
api.metric = 0;
if (IS_OSPF6_DEBUG_ZEBRA (RECV))
{
char prefixstr[128], nexthopstr[128];
prefix2str ((struct prefix *)&p, prefixstr, sizeof (prefixstr));
if (nexthop)
inet_ntop (AF_INET6, nexthop, nexthopstr, sizeof (nexthopstr));
else
snprintf (nexthopstr, sizeof (nexthopstr), "::");
zlog_debug ("Zebra Receive route %s: %s %s nexthop %s ifindex %ld",
(command == ZEBRA_IPV6_ROUTE_ADD ? "add" : "delete"),
zebra_route_string(api.type), prefixstr, nexthopstr, ifindex);
}
if (command == ZEBRA_IPV6_ROUTE_ADD)
ospf6_asbr_redistribute_add (api.type, ifindex, (struct prefix *) &p,
api.nexthop_num, nexthop);
else
ospf6_asbr_redistribute_remove (api.type, ifindex, (struct prefix *) &p);
if (CHECK_FLAG (api.message, ZAPI_MESSAGE_NEXTHOP))
free (nexthop);
return 0;
}
/* Zebra route add and delete treatment. */
static int
zebra_read_ipv4 (int command, struct zclient *zclient, zebra_size_t length,
vrf_id_t vrf_id)
{
struct stream *s;
struct zapi_ipv4 api;
struct in_addr nexthop;
struct prefix_ipv4 p;
unsigned char plength = 0;
s = zclient->ibuf;
nexthop.s_addr = 0;
/* Type, flags, message. */
api.type = stream_getc (s);
api.flags = stream_getc (s);
api.message = stream_getc (s);
/* IPv4 prefix. */
memset (&p, 0, sizeof (struct prefix_ipv4));
p.family = AF_INET;
plength = stream_getc (s);
p.prefixlen = MIN(IPV4_MAX_PREFIXLEN, plength);
stream_get (&p.prefix, s, PSIZE (p.prefixlen));
/* Nexthop, ifindex, distance, metric. */
if (CHECK_FLAG (api.message, ZAPI_MESSAGE_NEXTHOP))
{
api.nexthop_num = stream_getc (s);
nexthop.s_addr = stream_get_ipv4 (s);
}
if (CHECK_FLAG (api.message, ZAPI_MESSAGE_IFINDEX))
{
api.ifindex_num = stream_getc (s);
stream_getl (s); /* ifindex, unused */
}
if (CHECK_FLAG (api.message, ZAPI_MESSAGE_DISTANCE))
api.distance = stream_getc (s);
if (CHECK_FLAG (api.message, ZAPI_MESSAGE_METRIC))
api.metric = stream_getl (s);
else
api.metric = 0;
if (CHECK_FLAG (api.message, ZAPI_MESSAGE_TAG))
api.tag = stream_getl (s);
else
api.tag = 0;
if (command == ZEBRA_IPV4_ROUTE_ADD)
{
if (BGP_DEBUG(zebra, ZEBRA))
{
char buf[2][INET_ADDRSTRLEN];
zlog_debug("Zebra rcvd: IPv4 route add %s %s/%d nexthop %s metric %u tag %d",
zebra_route_string(api.type),
inet_ntop(AF_INET, &p.prefix, buf[0], sizeof(buf[0])),
p.prefixlen,
inet_ntop(AF_INET, &nexthop, buf[1], sizeof(buf[1])),
api.metric,
api.tag);
}
bgp_redistribute_add ((struct prefix *)&p, &nexthop, NULL,
api.metric, api.type, api.tag);
}
else
{
if (BGP_DEBUG(zebra, ZEBRA))
{
char buf[2][INET_ADDRSTRLEN];
zlog_debug("Zebra rcvd: IPv4 route delete %s %s/%d "
"nexthop %s metric %u tag %d",
zebra_route_string(api.type),
inet_ntop(AF_INET, &p.prefix, buf[0], sizeof(buf[0])),
p.prefixlen,
inet_ntop(AF_INET, &nexthop, buf[1], sizeof(buf[1])),
api.metric,
api.tag);
}
bgp_redistribute_delete((struct prefix *)&p, api.type);
}
return 0;
}
