#include <fcntl.h>
#include <unistd.h>
#include <time.h>
#include <limits.h>
#include <string.h>
#include <stdio.h>
#include <errno.h>
#include <stdlib.h>
#include <glusterfs/api/glfs.h>
#include <glusterfs/api/glfs-handles.h>
int gfapi = 1;

#define LOG_ERR(func, ret)                                                     \
    do {                                                                       \
        if (ret != 0) {                                                        \
            fprintf(stderr, "%s : returned error ret(%d), errno(%d)\n", func,  \
                    ret, errno);                                               \
            exit(1);                                                           \
        } else {                                                               \
            fprintf(stderr, "%s : returned %d\n", func, ret);                  \
        }                                                                      \
    } while (0)
#define LOG_IF_NO_ERR(func, ret)                                               \
    do {                                                                       \
        if (ret == 0) {                                                        \
            fprintf(stderr, "%s : hasn't returned error %d\n", func, ret);     \
            exit(1);                                                           \
        } else {                                                               \
            fprintf(stderr, "%s : returned %d\n", func, ret);                  \
        }                                                                      \
    } while (0)
int
main(int argc, char *argv[])
{
    glfs_t *fs = NULL;
    int ret = 0, i;
    glfs_fd_t *fd = NULL;
    char *filename = "/a1";
    char *filename2 = "/a2";
    struct stat sb = {
        0,
    };
    struct glfs_upcall *cbk = NULL;
    char *logfile = NULL;
    char *volname = NULL;
    int cnt = 1;
    struct glfs_upcall_inode *in_arg = NULL;
    struct glfs_object *root = NULL, *leaf = NULL;

    fprintf(stderr, "Starting libgfapi_fini\n");
    if (argc != 4) {
        fprintf(stderr, "Invalid argument\n");
        exit(1);
    }

    hostname = argv[1] volname = argv[2];
    logfile = argv[3];

    fs = glfs_new(volname);
    if (!fs) {
        fprintf(stderr, "glfs_new: returned NULL\n");
        return 1;
    }

    ret = glfs_set_volfile_server(fs, "tcp", hostname, 24007);
    LOG_ERR("glfs_set_volfile_server", ret);

    ret = glfs_set_logging(fs, logfile, 7);
    LOG_ERR("glfs_set_logging", ret);

    ret = glfs_init(fs);
    LOG_ERR("glfs_init", ret);

    sleep(2);
    root = glfs_h_lookupat(fs, NULL, "/", &sb, 0);
    if (!root) {
        ret = -1;
        LOG_ERR("glfs_h_lookupat root", ret);
    }
    leaf = glfs_h_lookupat(fs, root, filename, &sb, 0);
    if (!leaf) {
        ret = -1;
        LOG_IF_NO_ERR("glfs_h_lookupat leaf", ret);
    }

    leaf = glfs_h_creat(fs, root, filename, O_RDWR, 0644, &sb);
    if (!leaf) {
        ret = -1;
        LOG_ERR("glfs_h_lookupat leaf", ret);
    }
    fprintf(stderr, "glfs_h_create leaf - %p\n", leaf);

    leaf = glfs_h_lookupat(fs, root, filename2, &sb, 0);
    if (!leaf) {
        ret = -1;
        LOG_IF_NO_ERR("glfs_h_lookupat leaf", ret);
    }

    ret = glfs_h_rename(fs, root, filename, root, filename2);
    LOG_ERR("glfs_rename", ret);

    while (cnt++ < 5) {
        ret = glfs_h_poll_upcall(fs, &cbk);
        LOG_ERR("glfs_h_poll_upcall", ret);

        /* There should not be any upcalls sent */
        if (glfs_upcall_get_reason(cbk) != GLFS_UPCALL_EVENT_NULL) {
            fprintf(stderr, "Error: Upcall received(%d)\n",
                    glfs_upcall_get_reason(cbk));
            exit(1);
        }

        glfs_free(cbk);
    }

    ret = glfs_fini(fs);
    LOG_ERR("glfs_fini", ret);

    fprintf(stderr, "End of libgfapi_fini\n");

    exit(0);
}