#ifdef __cplusplus
extern "C"{
#endif

#ifdef __cplusplus
}
#endif

#include <dlfcn.h>
#include <stdlib.h>
#include <stdio.h>

#include "libcbhomebus.h"

#define check_only(fn, lib) \
do{ \
    if(!fn){ \
        dlclose(lib); \
        printf("run func %s error\n", #fn); \
        return; \
    } \
}while(0)

#define check_with_ret(fn, lib, flag) \
do{ \
    if(!fn){ \
        dlclose(lib); \
        printf("run func %s error\n", #fn); \
        return flag; \
    } \
}while(0)


hbhomebus c_bhomebus_handle(const char *so){
    hbhomebus lib = dlopen(so, RTLD_LAZY);
    if(lib){

        fn_shm_destroy = (tfn_shm_destroy)dlsym(lib, l_shm_destroy);
        check_with_ret(fn_shm_destroy, lib, NULL);
    }else{
        printf("softbus dlopen - %s\n", dlerror());
    }
    return lib;
}

void c_bhomebus_release(hbhomebus lib){
    if(lib) {
        dlclose(lib);
    }
}

void wrap_fn_shm_init(hbhomebus lib, int size){
    if (!fn_shm_init){
        fn_shm_init = (tfn_shm_init)dlsym(lib, l_shm_init);
        check_only(fn_shm_init, lib);
    }
    fn_shm_init(size);
}

int wrap_fn_shm_alloc_key(hbhomebus lib){
    if (!fn_shm_alloc_key){
        fn_shm_alloc_key = (tfn_shm_alloc_key)dlsym(lib, l_shm_alloc_key);
        check_with_ret(fn_shm_alloc_key, lib, -1);
    }
    return fn_shm_alloc_key();
}

void wrap_fn_shm_destroy(hbhomebus lib){
    if (!fn_shm_destroy){
        printf("shm destroy failed\n");
        return;
    }
    fn_shm_destroy();
}

////////////////////////////////////////////
// dgram socket mode
////////////////////////////////////////////

void * wrap_fn_socket_open(hbhomebus lib)
{
    if(!fn_socket_open){
        fn_socket_open = (tfn_net_mod_socket_open)dlsym(lib,l_net_mod_socket_open);
        check_with_ret(fn_socket_open, lib, NULL);
    }
    return fn_socket_open();
}

void wrap_fn_socket_close(hbhomebus lib, void *_socket)
{
    if(!fn_socket_close){
        fn_socket_close = (tfn_net_mod_socket_close)dlsym(lib,l_net_mod_socket_close);
        check_only(fn_socket_close, lib);
    }
    return fn_socket_close(_socket);
}

int wrap_fn_socket_bind(hbhomebus lib, void * _socket, int key)
{
    if(!fn_socket_bind){
        fn_socket_bind = (tfn_net_mod_socket_bind)dlsym(lib,l_net_mod_socket_bind);
        check_with_ret(fn_socket_bind, lib, -1);
    }
    return fn_socket_bind(_socket, key);
}

int wrap_fn_socket_force_bind(hbhomebus lib, void * _socket, int key)
{
    if(!fn_socket_force_bind){
        fn_socket_force_bind = (tfn_net_mod_socket_force_bind)dlsym(lib,l_net_mod_socket_force_bind);
        check_with_ret(fn_socket_force_bind, lib, -1);
    }
    return fn_socket_force_bind(_socket, key);
}

int wrap_fn_socket_sendto(hbhomebus lib, void *_socket, const void *buf, const int size, const int key)
{
    if(!fn_socket_sendto){
        fn_socket_sendto = (tfn_net_mod_socket_sendto)dlsym(lib,l_net_mod_socket_sendto);
        check_with_ret(fn_socket_sendto, lib, -1);
    }
    return fn_socket_sendto(_socket, buf, size, key);
}

int wrap_fn_socket_sendto_timeout(hbhomebus lib, void *_socket, const void *buf, const int size, const int key, int sec, int nsec)
{
    if(!fn_socket_sendto_timeout){
        fn_socket_sendto_timeout = (tfn_net_mod_socket_sendto_timeout)dlsym(lib,l_net_mod_socket_sendto_timeout);
        check_with_ret(fn_socket_sendto_timeout, lib, -1);
    }
    return fn_socket_sendto_timeout(_socket, buf, size, key, sec, nsec);
}

int wrap_fn_socket_sendto_nowait(hbhomebus lib, void *_socket, const void *buf, const int size, const int key)
{
    if(!fn_socket_sendto_nowait){
        fn_socket_sendto_nowait = (tfn_net_mod_socket_sendto_nowait)dlsym(lib,l_net_mod_socket_sendto_nowait);
        check_with_ret(fn_socket_sendto_nowait, lib, -1);
    }
    return fn_socket_sendto_nowait(_socket, buf, size, key);
}

int wrap_fn_socket_recvfrom(hbhomebus lib, void *_socket, void **buf, int *size, int *key)
{
    if(!fn_socket_recvfrom){
        fn_socket_recvfrom = (tfn_net_mod_socket_recvfrom)dlsym(lib,l_net_mod_socket_recvfrom);
        check_with_ret(fn_socket_recvfrom, lib, -1);
    }
    return fn_socket_recvfrom(_socket, buf, size, key);
}

int wrap_fn_socket_recvfrom_timeout(hbhomebus lib, void *_socket, void **buf, int *size, int *key, int sec, int nsec)
{
    if(!fn_socket_recvfrom_timeout){
        fn_socket_recvfrom_timeout = (tfn_net_mod_socket_recvfrom_timeout)dlsym(lib,l_net_mod_socket_recvfrom_timeout);
        check_with_ret(fn_socket_recvfrom_timeout, lib, -1);
    }
    return fn_socket_recvfrom_timeout(_socket, buf, size, key, sec, nsec);
}

int wrap_fn_socket_recvfrom_nowait(hbhomebus lib, void *_socket, void **buf, int *size, int *key)
{
    if(!fn_socket_recvfrom_nowait){
        fn_socket_recvfrom_nowait = (tfn_net_mod_socket_recvfrom_nowait)dlsym(lib,l_net_mod_socket_recvfrom_nowait);
        check_with_ret(fn_socket_recvfrom_nowait, lib, -1);
    }
    return fn_socket_recvfrom_nowait(_socket, buf, size, key);
}

int wrap_fn_socket_sendandrecv(hbhomebus lib, void *_sockt, void *node_arr, int arrlen, void *send_buf, int send_size,
        void ** recv_arr, int *recv_arr_size)
{
    if(!fn_socket_sendandrecv){
        fn_socket_sendandrecv = (tfn_net_mod_socket_sendandrecv)dlsym(lib,l_net_mod_socket_sendandrecv);
        check_with_ret(fn_socket_sendandrecv, lib, -1);
    }
    return fn_socket_sendandrecv(_sockt, (net_node_t*) node_arr, arrlen, send_buf, send_size, (net_mod_recv_msg_t**)recv_arr, recv_arr_size);
}

int wrap_fn_socket_sendandrecv_timeout(hbhomebus lib, void *_socket, void *node_arr, int arrlen, void *send_buf, int send_size,
        void ** recv_arr, int *recv_arr_size, int timeout)
{
    if(!fn_socket_sendandrecv_timeout){
        fn_socket_sendandrecv_timeout = (tfn_net_mod_socket_sendandrecv_timeout)dlsym(lib,l_net_mod_socket_sendandrecv_timeout);
        check_with_ret(fn_socket_sendandrecv_timeout, lib, -1);
    }
    return fn_socket_sendandrecv_timeout(_socket, (net_node_t*)node_arr, arrlen, send_buf, send_size, (net_mod_recv_msg_t**)recv_arr, recv_arr_size, timeout);
}

int wrap_fn_socket_sendandrecv_nowait(hbhomebus lib, void *_socket, void *node_arr, int arrlen, void *send_buf, int send_size,
        void ** recv_arr, int *recv_arr_size)
{
    if(!fn_socket_sendandrecv_nowait){
        fn_socket_sendandrecv_nowait = (tfn_net_mod_socket_sendandrecv_nowait)dlsym(lib,l_net_mod_socket_sendandrecv_nowait);
        check_with_ret(fn_socket_sendandrecv_nowait, lib, -1);
    }
    return fn_socket_sendandrecv_nowait(_socket, (net_node_t*)node_arr, arrlen, send_buf, send_size, (net_mod_recv_msg_t**)recv_arr, recv_arr_size);
}

int  wrap_fn_socket_start_bus(hbhomebus lib, void * _socket)
{
    if(!fn_socket_start_bus){
        fn_socket_start_bus = (tfn_net_mod_socket_start_bus)dlsym(lib,l_net_mod_socket_start_bus);
        check_with_ret(fn_socket_start_bus, lib, -1);
    }
    return fn_socket_start_bus(_socket);
}

int wrap_fn_socket_pub(hbhomebus lib, void *_socket, void *node_arr, int node_arr_len, char *topic, int topic_size, void *content, int content_size)
{
    if(!fn_socket_pub){
        fn_socket_pub = (tfn_net_mod_socket_pub)dlsym(lib,l_net_mod_socket_pub);
        check_with_ret(fn_socket_pub, lib, -1);
    }
    return fn_socket_pub(_socket, (net_node_t*)node_arr, node_arr_len, topic, topic_size, content, content_size);
}

int wrap_fn_socket_pub_timeout(hbhomebus lib, void *_socket, void *node_arr, int node_arr_len, char *topic, int topic_size, void *content, int content_size, int timeout)
{
    if(!fn_socket_pub_timeout){
        fn_socket_pub_timeout = (tfn_net_mod_socket_pub_timeout)dlsym(lib,l_net_mod_socket_pub_timeout);
        check_with_ret(fn_socket_pub_timeout, lib, -1);
    }
    return fn_socket_pub_timeout(_socket, (net_node_t*)node_arr, node_arr_len, topic, topic_size, content, content_size, timeout);
}

int wrap_fn_socket_pub_nowait(hbhomebus lib, void *_socket, void *node_arr, int node_arr_len, char *topic, int topic_size, void *content, int content_size)
{
    if(!fn_socket_pub_nowait){
        fn_socket_pub_nowait = (tfn_net_mod_socket_pub_nowait)dlsym(lib,l_net_mod_socket_pub_nowait);
        check_with_ret(fn_socket_pub_nowait, lib, -1);
    }
    return fn_socket_pub_nowait(_socket, (net_node_t*)node_arr, node_arr_len, topic, topic_size, content, content_size);
}

int  wrap_fn_socket_sub(hbhomebus lib, void * _socket, void *topic, int size, int key)
{
    if(!fn_socket_sub){
        fn_socket_sub = (tfn_net_mod_socket_sub)dlsym(lib,l_net_mod_socket_sub);
        check_with_ret(fn_socket_sub, lib, -1);
    }
    return fn_socket_sub(_socket, topic, size, key);
}

int  wrap_fn_socket_sub_timeout(hbhomebus lib, void * _socket, void *topic, int size, int key, int sec, int nsec)
{
    if(!fn_socket_sub_timeout){
        fn_socket_sub_timeout = (tfn_net_mod_socket_sub_timeout)dlsym(lib,l_net_mod_socket_sub_timeout);
        check_with_ret(fn_socket_sub_timeout, lib, -1);
    }
    return fn_socket_sub_timeout(_socket, topic, size, key, sec, nsec);
}

int  wrap_fn_socket_sub_nowait(hbhomebus lib, void * _socket, void *topic, int size, int key)
{
    if(!fn_socket_sub_nowait){
        fn_socket_sub_nowait = (tfn_net_mod_socket_sub_nowait)dlsym(lib,l_net_mod_socket_sub_nowait);
        check_with_ret(fn_socket_sub_nowait, lib, -1);
    }
    return fn_socket_sub_nowait(_socket, topic, size, key);
}

int  wrap_fn_socket_desub(hbhomebus lib, void * _socket, void *topic, int size, int key)
{
    if(!fn_socket_desub){
        fn_socket_desub = (tfn_net_mod_socket_desub)dlsym(lib,l_net_mod_socket_desub);
        check_with_ret(fn_socket_desub, lib, -1);
    }
    return fn_socket_desub(_socket, topic, size, key);
}

int  wrap_fn_socket_desub_timeout(hbhomebus lib, void * _socket, void *topic, int size, int key, int sec, int nsec)
{
    if(!fn_socket_desub_timeout){
        fn_socket_desub_timeout = (tfn_net_mod_socket_desub_timeout)dlsym(lib,l_net_mod_socket_desub_timeout);
        check_with_ret(fn_socket_desub_timeout, lib, -1);
    }
    return fn_socket_desub_timeout(_socket, topic, size, key, sec, nsec);
}

int  wrap_fn_socket_desub_nowait(hbhomebus lib, void * _socket, void *topic, int size, int key)
{
    if(!fn_socket_desub_nowait){
        fn_socket_desub_nowait = (tfn_net_mod_socket_sub_nowait)dlsym(lib,l_net_mod_socket_sub_nowait);
        check_with_ret(fn_socket_desub_nowait, lib, -1);
    }
    return fn_socket_desub_nowait(_socket, topic, size, key);
}

int wrap_fn_socket_get_key(hbhomebus lib, void * _socket)
{
    if(!fn_socket_get_key){
        fn_socket_get_key = (tfn_net_mod_socket_get_key)dlsym(lib,l_net_mod_socket_get_key);
        check_with_ret(fn_socket_get_key, lib, -1);
    }
    return fn_socket_get_key(_socket);
}

void  wrap_fn_socket_free_recv_msg_arr(hbhomebus lib, void * arr, int size)
{
    if(!fn_socket_free_recv_msg_arr){
        fn_socket_free_recv_msg_arr = (tfn_net_mod_socket_free_recv_msg_arr)dlsym(lib,l_net_mod_socket_free_recv_msg_arr);
        check_only(fn_socket_free_recv_msg_arr, lib);
    }
    return fn_socket_free_recv_msg_arr((net_mod_recv_msg_t*)arr, size);
}

void wrap_fn_socket_free(hbhomebus lib, void *buf)
{
    if(!fn_socket_free){
        fn_socket_free = (tfn_net_mod_socket_free)dlsym(lib,l_net_mod_socket_free);
        check_only(fn_socket_free, lib);
    }
    return fn_socket_free(buf);
}

int wrap_fn_socket_remove_key(hbhomebus lib, int key){
    if (!fn_socket_remove_key){
        fn_socket_remove_key = (tfn_shm_mod_socket_remove_key)dlsym(lib, l_shm_mod_socket_remove_key);
        check_with_ret(fn_socket_remove_key, lib, -1);
    }
    return fn_socket_remove_key(key);
}

int wrap_fn_socket_remove_keys(hbhomebus lib, void *keys, int length){
    if (!fn_socket_remove_keys){
        fn_socket_remove_keys = (tfn_shm_mod_socket_remove_keys)dlsym(lib, l_shm_mod_socket_remove_keys);
        check_with_ret(fn_socket_remove_keys, lib, -1);
    }
    return fn_socket_remove_keys((int*)keys, length);
}