/*
 * Copyright (c) 2017-2020 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 connection_vft.h
 * @brief Connection VFT
 */

#ifndef HICNLIGHT_CONNECTION_VFT_H
#define HICNLIGHT_CONNECTION_VFT_H

#include "connection.h"

typedef struct {
    int (*initialize)(connection_t * connection);
    void (*finalize)(connection_t * connection);
    int (*get_socket)(const listener_t * listener, const address_t * local,
            const address_t * remote, const char * interface_name);
    int (*send)(const connection_t * connection, msgbuf_t * msgbuf, bool queue);
    int (*send_packet)(const connection_t * connection,
            const uint8_t * packet, size_t size);
    void (*read_callback)(connection_t * connection, int fd, void * data);
    size_t data_size;
} connection_ops_t;

#define DECLARE_CONNECTION(NAME)                                \
const connection_ops_t connection_ ## NAME = {                  \
    .initialize = connection_ ## NAME ## _initialize,           \
    .finalize = connection_ ## NAME ## _finalize,               \
    .get_socket = listener_ ## NAME ## _get_socket,             \
    .send = connection_ ## NAME ## _send,                       \
    .send_packet = connection_ ## NAME ## _send_packet,         \
    .data_size = sizeof(connection_ ## NAME ## _data_t),        \
};

//    .read_callback = connection_ ## NAME ## _read_callback,

extern const connection_ops_t * connection_vft[];

#endif /* HICNLIGHT_CONNECTION_VFT_H */