#ifndef _MY_COMM_H_
#define _MY_COMM_H_


#include <stdint.h>

#ifdef __cplusplus
extern "C" {
#endif

#define COMM_IP_LEN   16
#define COMM_DEV_LEN 256

typedef enum
{
    COMM_TYPE_UNKNOWN,
    COMM_TYPE_TCP_SERVER,
    COMM_TYPE_TCP_CLIENT,
    COMM_TYPE_UDP_SERVER,
    COMM_TYPE_UDP_CLIENT,
    COMM_TYPE_UART,
}CommType;

typedef enum
{
    COMM_DEBUG_OFF,
    COMM_DEBUG_ON,
}CommDebugShow;

typedef enum
{
    COMM_STATE_DISCONNECTED,
    COMM_STATE_CONNECTED,
}CommState;

typedef enum
{
    COMM_FD_UNKNOWN = 0,
    COMM_FD_FILE,
    COMM_FD_SOCKET,
    COMM_FD_SERIAL,
    COMM_FD_PIPE,
}CommFdType;

typedef struct 
{   
    char local_ip[COMM_IP_LEN];
    uint16_t local_port;
    char remote_ip[COMM_IP_LEN];
    uint16_t remote_port;
}stru_tcp_para;

typedef struct 
{
    char local_ip[COMM_IP_LEN];
    uint16_t local_port;
    char remote_ip[COMM_IP_LEN];
    uint16_t remote_port;
}stru_udp_para;


typedef struct 
{
    char device[COMM_DEV_LEN];
    uint32_t baudrate;
    uint8_t data_bits;
    uint8_t stop_bits;
    uint8_t parity;
}stru_uart_para;

typedef struct 
{
    CommFdType type;
    union 
    {
        struct 
        {
            char local_ip[16];
            int local_port;
            char remote_ip[16];
            int remote_port;
            int protocol;  // SOCK_STREAM or SOCK_DGRAM
        } socket_info;
        
        struct 
        {
            char device[256];
            int baud_rate;
            int data_bits;
            int stop_bits;
            char parity[8];
        } serial_info;
        
        struct 
        {
            char filename[256];
            off_t size;
        } file_info;
    };
}stru_comm_fd_info;


typedef void (*comm_state_cb)(int id, int socket_fd, CommState state);
typedef void (*comm_recv_cb)(int id, int socket_fd, const uint8_t*data, uint16_t len);



int comm_create(CommType type, CommDebugShow debug_show, void *p_para);
int comm_connect(int id);
int comm_disconnect(int id);

int comm_send(int id, int fd,  const uint8_t *data, uint16_t len);
int comm_recv_register(int id, comm_recv_cb cb);
int comm_state_register(int id, comm_state_cb cb);
int comm_destroy(int id);


#ifdef __cplusplus
}
#endif

#endif