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/*
* Copyright (c) 2019 Cisco and/or its affiliates.
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at:
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#include <inttypes.h>
#include <signal.h>
#include <stdio.h>
#include <stdlib.h>
#include <unistd.h>
#include "hicn_light.h"
#include "model/hicn_model.h"
sr_subscription_ctx_t *subscription = NULL;
volatile int exit_application = 0;
int sr_plugin_init_cb(sr_session_ctx_t *session, void **private_ctx) {
HICN_INVOKE_BEGIN
sr_subscription_ctx_t *subscription = NULL;
int rc = SR_ERR_OK;
rc = hicn_connect_light();
if (SR_ERR_OK != rc) {
HICN_LOG_ERR("hicn light connect error , with return %d.", rc);
return SR_ERR_INTERNAL;
}
// HICN subscribe
hicn_subscribe_events(session, &subscription);
/* set subscription as our private context */
*private_ctx = subscription;
HICN_INVOKE_END;
return SR_ERR_OK;
}
void sr_plugin_cleanup_cb(sr_session_ctx_t *session, void *private_ctx) {
HICN_INVOKE_BEGIN;
/* subscription was set as our private context */
sr_unsubscribe(session, private_ctx);
HICN_LOG_DBG_MSG("hicn light unload plugin ok.");
hicn_disconnect_light();
HICN_LOG_DBG_MSG("hicn light disconnect ok.");
HICN_INVOKE_END;
}
static void sigint_handler(int signum) { exit_application = 1; }
int subscribe_all_module_events(sr_session_ctx_t *session) {
sr_plugin_init_cb(session, (void **)&subscription);
return 0;
}
int main(int argc, char **argv) {
sr_conn_ctx_t *connection = NULL;
sr_session_ctx_t *session = NULL;
int rc = SR_ERR_OK;
/* connect to hicn light */
rc = hicn_connect_light();
if (-1 == rc) {
fprintf(stderr, "hicn light connect error");
return -1;
}
/* connect to sysrepo */
rc = sr_connect("cpe_application", SR_CONN_DEFAULT, &connection);
if (SR_ERR_OK != rc) {
fprintf(stderr, "Error by sr_connect: %s\n", sr_strerror(rc));
goto cleanup;
}
/* start session */
rc = sr_session_start(connection, SR_DS_STARTUP, SR_SESS_DEFAULT, &session);
if (SR_ERR_OK != rc) {
fprintf(stderr, "Error by sr_session_start: %s\n", sr_strerror(rc));
goto cleanup;
}
/* subscribe all module events */
rc = subscribe_all_module_events(session);
if (SR_ERR_OK != rc) {
fprintf(stderr, "Error by subscribe module events: %s\n", sr_strerror(rc));
goto cleanup;
}
/* loop until ctrl-c is pressed / SIGINT is received */
signal(SIGINT, sigint_handler);
signal(SIGPIPE, SIG_IGN);
while (!exit_application) {
sleep(2);
}
printf("Application exit requested, exiting.\n");
cleanup:
if (NULL != subscription) {
sr_unsubscribe(session, subscription);
}
if (NULL != session) {
sr_session_stop(session);
}
if (NULL != connection) {
sr_disconnect(connection);
}
hicn_disconnect_light();
return rc;
}
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