/*
 * This file is part of the PCEPlib, a PCEP protocol library.
 *
 * Copyright (C) 2020 Volta Networks https://voltanet.io/
 *
 * This library is free software; you can redistribute it and/or
 * modify it under the terms of the GNU Lesser General Public
 * License as published by the Free Software Foundation; either
 * version 2 of the License, or (at your option) any later version.
 *
 * This library 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
 * Lesser General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program.  If not, see <https://www.gnu.org/licenses/>.
 *
 * Author : Brady Johnson <brady@voltanet.io>
 */

#ifndef PCEP_TOOLS_H
#define PCEP_TOOLS_H

#include <stdint.h>
#include <netinet/in.h> // struct in_addr

#include "pcep_utils_double_linked_list.h"
#include "pcep_msg_messages.h"
#include "pcep_msg_objects.h"

#ifdef __cplusplus
extern "C" {
#endif

#define PCEP_MAX_SIZE 6000

/* Returns a double linked list of PCEP messages */
double_linked_list *pcep_msg_read(int sock_fd);
/* Given a double linked list of PCEP messages, return the first node that has
 * the same message type */
struct pcep_message *pcep_msg_get(double_linked_list *msg_list, uint8_t type);
/* Given a double linked list of PCEP messages, return the next node after
 * current node that has the same message type */
struct pcep_message *pcep_msg_get_next(double_linked_list *msg_list,
				       struct pcep_message *current,
				       uint8_t type);
struct pcep_object_header *pcep_obj_get(double_linked_list *list,
					uint8_t object_class);
struct pcep_object_header *pcep_obj_get_next(double_linked_list *list,
					     struct pcep_object_header *current,
					     uint8_t object_class);
struct pcep_object_tlv_header *pcep_tlv_get(double_linked_list *list,
					    uint16_t type);
struct pcep_object_tlv_header *
pcep_tlv_get_next(double_linked_list *list,
		  struct pcep_object_tlv_header *current, uint16_t type);
void pcep_obj_free_tlv(struct pcep_object_tlv_header *tlv);
void pcep_obj_free_object(struct pcep_object_header *obj);
void pcep_msg_free_message(struct pcep_message *message);
void pcep_msg_free_message_list(double_linked_list *list);
void pcep_msg_print(double_linked_list *list);
const char *get_message_type_str(uint8_t type);
const char *get_object_class_str(uint8_t class);
int pcep_msg_send(int sock_fd, struct pcep_message *hdr);

#ifdef __cplusplus
}
#endif

#endif
