/*
 * @Author: jiejie
 * @Github: https://github.com/jiejieTop
 * @Date: 2019-12-09 21:31:02
 * @LastEditTime: 2020-10-17 14:14:41
 * @Description: the code belongs to jiejie, please keep the author information
 * and source code according to the license.
 */
#ifndef _NETWORK_H_
#define _NETWORK_H_

#include "mqtt_defconfig.h"

#ifdef __cplusplus
extern "C" {
#endif

#define NETWORK_CHANNEL_TCP 0
#define NETWORK_CHANNEL_TLS 1

typedef struct network {
    const char* host;
    const char* port;
    int socket;
#ifndef MQTT_NETWORK_TYPE_NO_TLS
    int channel; /* tcp or tls */
    const char* ca_crt;
    unsigned int ca_crt_len;
    unsigned int timeout_ms;  // SSL handshake timeout in millisecond
    void* nettype_tls_params;
#endif
} network_t;

int network_init(network_t* n,
                 const char* host,
                 const char* port,
                 const char* ca);
int network_set_ca(network_t* n, const char* ca);
void network_set_channel(network_t* n, int channel);
int network_set_host_port(network_t* n, char* host, char* port);
int network_read(network_t* n, unsigned char* buf, int len, int timeout);
int network_write(network_t* n, unsigned char* buf, int len, int timeout);
int network_connect(network_t* n);
void network_disconnect(network_t* n);
void network_release(network_t* n);

#ifdef __cplusplus
}
#endif

#endif