--- /dev/null
+/*
+ * zebra_fpm_dt.c
+ *
+ * @copyright Copyright (C) 2016 Sproute Networks, Inc.
+ *
+ * @author Avneesh Sachdev <avneesh@sproute.com>
+ *
+ * This file is part of GNU Zebra.
+ *
+ * GNU Zebra is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License as published by the
+ * Free Software Foundation; either version 2, or (at your option) any
+ * later version.
+ *
+ * GNU Zebra is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ * General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with GNU Zebra; see the file COPYING. If not, write to the Free
+ * Software Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA
+ * 02111-1307, USA.
+ */
+
+/*
+ * Developer tests for the zebra code that interfaces with the
+ * forwarding plane manager.
+ *
+ * The functions here are built into developer builds of zebra (when
+ * DEV_BUILD is defined), and can be called via the 'invoke' cli
+ * command.
+ *
+ * For example:
+ *
+ * # invoke zebra function zfpm_dt_benchmark_protobuf_encode 100000
+ *
+ */
+
+#include <zebra.h>
+#include "log.h"
+#include "vrf.h"
+
+#include "zebra/rib.h"
+
+#include "zebra_fpm_private.h"
+
+#include "qpb/qpb_allocator.h"
+#include "qpb/linear_allocator.h"
+
+#include "qpb/qpb.h"
+#include "fpm/fpm.pb-c.h"
+
+/*
+ * Externs.
+ */
+extern int zfpm_dt_benchmark_netlink_encode (int argc, const char **argv);
+extern int zfpm_dt_benchmark_protobuf_encode (int argc, const char **argv);
+extern int zfpm_dt_benchmark_protobuf_decode (int argc, const char **argv);
+
+/*
+ * zfpm_dt_find_route
+ *
+ * Selects a suitable rib destination for fpm interface tests.
+ */
+static int
+zfpm_dt_find_route (rib_dest_t **dest_p, struct rib **rib_p)
+{
+ struct route_node *rnode;
+ route_table_iter_t iter;
+ struct route_table *table;
+ rib_dest_t *dest;
+ struct rib *rib;
+ int ret;
+
+ table = zebra_vrf_table (AFI_IP, SAFI_UNICAST, VRF_DEFAULT);
+ if (!table)
+ return 0;
+
+ route_table_iter_init(&iter, table);
+ while ((rnode = route_table_iter_next(&iter)))
+ {
+ dest = rib_dest_from_rnode (rnode);
+
+ if (!dest)
+ continue;
+
+ rib = zfpm_route_for_update(dest);
+ if (!rib)
+ continue;
+
+ if (rib->nexthop_active_num <= 0)
+ continue;
+
+ *dest_p = dest;
+ *rib_p = rib;
+ ret = 1;
+ goto done;
+ }
+
+ ret = 0;
+
+ done:
+ route_table_iter_cleanup(&iter);
+ return ret;
+}
+#ifdef HAVE_NETLINK
+
+/*
+ * zfpm_dt_benchmark_netlink_encode
+ */
+int
+zfpm_dt_benchmark_netlink_encode (int argc, const char **argv)
+{
+ int times, i, len;
+ rib_dest_t *dest;
+ struct rib *rib;
+ char buf[4096];
+
+ times = 100000;
+ if (argc > 0) {
+ times = atoi(argv[0]);
+ }
+
+ if (!zfpm_dt_find_route(&dest, &rib)) {
+ return 1;
+ }
+
+ for (i = 0; i < times; i++) {
+ len = zfpm_netlink_encode_route(RTM_NEWROUTE, dest, rib, buf, sizeof(buf));
+ if (len <= 0) {
+ return 2;
+ }
+ }
+ return 0;
+}
+
+#endif /* HAVE_NETLINK */
+
+#ifdef HAVE_PROTOBUF
+
+/*
+ * zfpm_dt_benchmark_protobuf_encode
+ */
+int
+zfpm_dt_benchmark_protobuf_encode (int argc, const char **argv)
+{
+ int times, i, len;
+ rib_dest_t *dest;
+ struct rib *rib;
+ uint8_t buf[4096];
+
+ times = 100000;
+ if (argc > 0) {
+ times = atoi(argv[0]);
+ }
+
+ if (!zfpm_dt_find_route(&dest, &rib)) {
+ return 1;
+ }
+
+ for (i = 0; i < times; i++) {
+ len = zfpm_protobuf_encode_route(dest, rib, buf, sizeof(buf));
+ if (len <= 0) {
+ return 2;
+ }
+ }
+ return 0;
+}
+
+/*
+ * zfpm_dt_log_fpm_message
+ */
+static void
+zfpm_dt_log_fpm_message (Fpm__Message *msg)
+{
+ Fpm__AddRoute *add_route;
+ Fpm__Nexthop *nexthop;
+ struct prefix prefix;
+ u_char family, nh_family;
+ uint if_index;
+ char *if_name;
+ size_t i;
+ char buf[INET6_ADDRSTRLEN];
+ union g_addr nh_addr;
+
+ if (msg->type != FPM__MESSAGE__TYPE__ADD_ROUTE)
+ return;
+
+ zfpm_debug ("Add route message");
+ add_route = msg->add_route;
+
+ if (!qpb_address_family_get (add_route->address_family, &family))
+ return;
+
+ if (!qpb_l3_prefix_get (add_route->key->prefix, family, &prefix))
+ return;
+
+ zfpm_debug ("Vrf id: %d, Prefix: %s/%d, Metric: %d", add_route->vrf_id,
+ inet_ntop (family, &prefix.u.prefix, buf, sizeof (buf)),
+ prefix.prefixlen, add_route->metric);
+
+ /*
+ * Go over nexthops.
+ */
+ for (i = 0; i < add_route->n_nexthops; i++)
+ {
+ nexthop = add_route->nexthops[i];
+ if (!qpb_if_identifier_get (nexthop->if_id, &if_index, &if_name))
+ continue;
+
+ if (nexthop->address)
+ qpb_l3_address_get (nexthop->address, &nh_family, &nh_addr);
+
+ zfpm_debug ("Nexthop - if_index: %d (%s), gateway: %s, ", if_index,
+ if_name ? if_name : "name not specified",
+ nexthop->address ? inet_ntoa (nh_addr.ipv4) : "None");
+ }
+}
+
+/*
+ * zfpm_dt_benchmark_protobuf_decode
+ */
+int
+zfpm_dt_benchmark_protobuf_decode (int argc, const char **argv)
+{
+ int times, i, len;
+ rib_dest_t *dest;
+ struct rib *rib;
+ uint8_t msg_buf[4096];
+ QPB_DECLARE_STACK_ALLOCATOR (allocator, 8192);
+ Fpm__Message *fpm_msg;
+
+ QPB_INIT_STACK_ALLOCATOR (allocator);
+
+ times = 100000;
+ if (argc > 0)
+ times = atoi(argv[0]);
+
+ if (!zfpm_dt_find_route (&dest, &rib))
+ return 1;
+
+ /*
+ * Encode the route into the message buffer once only.
+ */
+ len = zfpm_protobuf_encode_route (dest, rib, msg_buf, sizeof (msg_buf));
+ if (len <= 0)
+ return 2;
+
+ // Decode once, and display the decoded message
+ fpm_msg = fpm__message__unpack(&allocator, len, msg_buf);
+
+ if (fpm_msg)
+ {
+ zfpm_dt_log_fpm_message(fpm_msg);
+ QPB_RESET_STACK_ALLOCATOR (allocator);
+ }
+
+ /*
+ * Decode encoded message the specified number of times.
+ */
+ for (i = 0; i < times; i++)
+ {
+ fpm_msg = fpm__message__unpack (&allocator, len, msg_buf);
+
+ if (!fpm_msg)
+ return 3;
+
+ // fpm__message__free_unpacked(msg, NULL);
+ QPB_RESET_STACK_ALLOCATOR (allocator);
+ }
+ return 0;
+}
+
+#endif /* HAVE_PROTOBUF */
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