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/*
* Label Manager Test
*
* Copyright (C) 2017 by Bingen Eguzkitza,
* Volta Networks Inc.
*
* This file is part of FreeRangeRouting (FRR)
*
* FRR 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.
*
* FRR 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 this program; see the file COPYING; if not, write to the Free Software
* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
*/
#ifdef HAVE_CONFIG_H
#include "config.h"
#endif
#include "lib/stream.h"
#include "lib/zclient.h"
#define ZSERV_PATH "/tmp/zserv.api" // TODO!!
#define KEEP 0 /* change to 1 to avoid garbage collection */
#define CHUNK_SIZE 32
struct zclient *zclient;
unsigned short instance = 1;
const char *sequence = "GGRGGGRRG";
static int zebra_send_get_label_chunk(void);
static int zebra_send_release_label_chunk(uint32_t start, uint32_t end);
static void process_next_call(uint32_t start, uint32_t end)
{
sleep(3);
if (!*sequence)
exit(0);
if (*sequence == 'G')
zebra_send_get_label_chunk();
else if (*sequence == 'R')
zebra_send_release_label_chunk(start, end);
}
/* Connect to Label Manager */
static int zebra_send_label_manager_connect()
{
int ret;
printf("Connect to Label Manager\n");
ret = lm_label_manager_connect(zclient, 0);
printf("Label Manager connection result: %u \n", ret);
if (ret != 0) {
fprintf(stderr, "Error %d connecting to Label Manager %s\n",
ret, strerror(errno));
exit(1);
}
process_next_call(0, 0);
}
/* Get Label Chunk */
static int zebra_send_get_label_chunk()
{
uint32_t start;
uint32_t end;
int ret;
printf("Ask for label chunk \n");
ret = lm_get_label_chunk(zclient, KEEP, MPLS_LABEL_BASE_ANY, CHUNK_SIZE,
&start, &end);
if (ret != 0) {
fprintf(stderr, "Error %d requesting label chunk %s\n", ret,
strerror(errno));
exit(1);
}
sequence++;
printf("Label Chunk assign: %u - %u \n", start, end);
process_next_call(start, end);
}
/* Release Label Chunk */
static int zebra_send_release_label_chunk(uint32_t start, uint32_t end)
{
struct stream *s;
int ret;
printf("Release label chunk: %u - %u\n", start, end);
ret = lm_release_label_chunk(zclient, start, end);
if (ret != 0) {
fprintf(stderr, "Error releasing label chunk\n");
exit(1);
}
sequence++;
process_next_call(start - CHUNK_SIZE, end - CHUNK_SIZE);
}
void init_zclient(struct thread_master *master, char *lm_zserv_path)
{
frr_zclient_addr(&zclient_addr, &zclient_addr_len, lm_zserv_path);
zclient = zclient_new(master, &zclient_options_default);
/* zclient_init(zclient, ZEBRA_LABEL_MANAGER, 0); */
zclient->sock = -1;
zclient->redist_default = ZEBRA_ROUTE_LDP;
zclient->instance = instance;
if (zclient_socket_connect(zclient) < 0) {
printf("Error connecting synchronous zclient!\n");
exit(1);
}
}
int main(int argc, char *argv[])
{
struct thread_master *master;
struct thread thread;
int ret;
printf("Sequence to be tested: %s\n", sequence);
master = thread_master_create(NULL);
init_zclient(master, ZSERV_PATH);
zebra_send_label_manager_connect();
return 0;
}
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