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/*
* Copyright (c) 2021-2022 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.
*/
/**
* \file modules/hicn_light/route.c
* \brief Implementation of route object VFT for hicn_light.
*/
#include <assert.h>
#include <hicn/ctrl/api.h>
#include <hicn/util/log.h>
#include "base.h"
#include "route.h"
#include <hicn/ctrl/hicn-light.h>
#include "../../object_private.h"
static int hicnlight_route_parse(const uint8_t *buffer, size_t size,
hc_route_t *route) {
if (size != sizeof(cmd_route_list_item_t)) return -1;
cmd_route_list_item_t *item = (cmd_route_list_item_t *)buffer;
if (!IS_VALID_NAME(item->face_name)) {
ERROR("[hc_connection_parse] Invalid face_name received");
return -1;
}
if (!IS_VALID_ID(item->face_id)) {
ERROR("[hc_connection_parse] Invalid face_id received");
return -1;
}
if (!IS_VALID_FAMILY(item->family)) {
ERROR("[hc_listener_parse] Invalid family received");
return -1;
}
if (!IS_VALID_ADDRESS(item->remote_addr)) {
ERROR("[hc_connection_parse] Invalid address received");
return -1;
}
// LEN
// COST
*route = (hc_route_t){
.face_name = "", /* This is not reported back */
.face_id = item->face_id,
.family = (int)(item->family),
.remote_addr = item->remote_addr,
.len = item->len,
.cost = item->cost,
};
if (hc_route_validate(route, false) < 0) return -1;
return 0;
}
int _hicnlight_route_parse(const uint8_t *buffer, size_t size,
hc_object_t *object) {
return hicnlight_route_parse(buffer, size, &object->route);
}
/* ROUTE CREATE */
int hicnlight_route_serialize_create(const hc_object_t *object,
uint8_t *packet) {
const hc_route_t *route = &object->route;
int rc;
msg_route_add_t *msg = (msg_route_add_t *)packet;
*msg = (msg_route_add_t){.header =
{
.message_type = REQUEST_LIGHT,
.command_id = COMMAND_TYPE_ROUTE_ADD,
.length = 1,
.seq_num = 0,
},
.payload = {
.address = route->remote_addr,
.cost = route->cost,
.family = route->family,
.len = route->len,
}};
/*
* The route commands expects the ID or name as part of the
* symbolic_or_connid attribute.
*/
if (route->face_name[0] != '\0') {
rc = snprintf(msg->payload.symbolic_or_connid, SYMBOLIC_NAME_LEN, "%s",
route->face_name);
} else {
rc = snprintf(msg->payload.symbolic_or_connid, SYMBOLIC_NAME_LEN, "%d",
route->face_id);
}
if ((rc < 0) || (rc >= SYMBOLIC_NAME_LEN)) return -1;
return sizeof(msg_route_add_t);
}
/* ROUTE DELETE */
int hicnlight_route_serialize_delete(const hc_object_t *object,
uint8_t *packet) {
const hc_route_t *route = &object->route;
int rc;
msg_route_remove_t *msg = (msg_route_remove_t *)packet;
memset(msg, 0, sizeof(msg_route_remove_t));
*msg = (msg_route_remove_t){.header =
{
.message_type = REQUEST_LIGHT,
.command_id = COMMAND_TYPE_ROUTE_REMOVE,
.length = 1,
.seq_num = 0,
},
.payload = {
.family = (uint8_t)route->family,
.len = route->len,
}};
/*
* Direct copy as part of the previous assignment does not work correctly...
* to be investigated
*/
memcpy(&msg->payload.address, &route->remote_addr, sizeof(hicn_ip_address_t));
/*
* The route commands expects the ID or name as part of the
* symbolic_or_connid attribute.
*/
if (route->face_name[0] != '\0') {
rc = snprintf(msg->payload.symbolic_or_connid, SYMBOLIC_NAME_LEN, "%s",
route->face_name);
} else {
rc = snprintf(msg->payload.symbolic_or_connid, SYMBOLIC_NAME_LEN, "%d",
route->face_id);
}
if ((rc < 0) || (rc >= SYMBOLIC_NAME_LEN)) return -1;
return sizeof(msg_route_remove_t);
}
/* ROUTE LIST */
int hicnlight_route_serialize_list(const hc_object_t *object, uint8_t *packet) {
msg_route_list_t *msg = (msg_route_list_t *)packet;
*msg = (msg_route_list_t){.header = {
.message_type = REQUEST_LIGHT,
.command_id = COMMAND_TYPE_ROUTE_LIST,
.length = 0,
.seq_num = 0,
}};
return sizeof(msg_header_t); // Do not use msg_route_list_t
}
DECLARE_MODULE_OBJECT_OPS(hicnlight, route);
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