#include <glusterfs/api/glfs.h>
#include <glusterfs/api/glfs-handles.h>
#include <errno.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>

#define NO_INIT 1

int count = 0;
void
read_cbk(glfs_fd_t *fd, ssize_t ret, void *data)
{
    count++;
}

glfs_t *
setup_new_client(char *hostname, char *volname, char *log_file, int flag)
{
    int ret = 0;
    glfs_t *fs = NULL;

    fs = glfs_new(volname);
    if (!fs) {
        fprintf(stderr, "\nglfs_new: returned NULL (%s)\n", strerror(errno));
        goto error;
    }

    ret = glfs_set_volfile_server(fs, "tcp", hostname, 24007);
    if (ret < 0) {
        fprintf(stderr, "\nglfs_set_volfile_server failed ret:%d (%s)\n", ret,
                strerror(errno));
        goto error;
    }

    ret = glfs_set_logging(fs, log_file, 7);
    if (ret < 0) {
        fprintf(stderr, "\nglfs_set_logging failed with ret: %d (%s)\n", ret,
                strerror(errno));
        goto error;
    }

    if (flag == NO_INIT)
        goto out;

    ret = glfs_init(fs);
    if (ret < 0) {
        fprintf(stderr, "\nglfs_init failed with ret: %d (%s)\n", ret,
                strerror(errno));
        goto error;
    }

out:
    return fs;
error:
    return NULL;
}

int
main(int argc, char *argv[])
{
    int ret = 0;
    glfs_t *fs = NULL;
    struct glfs_fd *fd = NULL;
    char *volname = NULL;
    char *log_file = NULL;
    char *hostname = NULL;
    char *buf = NULL;
    struct stat stat;

    if (argc != 4) {
        fprintf(
            stderr,
            "Expect following args %s <hostname> <Vol> <log file location>\n",
            argv[0]);
        return -1;
    }

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

    fs = setup_new_client(hostname, volname, log_file, 0);
    if (!fs) {
        fprintf(stderr, "\nsetup_new_client: returned NULL (%s)\n",
                strerror(errno));
        goto error;
    }

    fd = glfs_opendir(fs, "/");
    if (!fd) {
        fprintf(stderr, "/: %s\n", strerror(errno));
        return -1;
    }

    glfs_readdirplus(fd, &stat);

    fd = glfs_open(fs, "/test", O_RDWR);
    if (fd == NULL) {
        fprintf(stderr, "glfs_open: returned NULL\n");
        goto error;
    }

    buf = (char *)malloc(5);

    ret = glfs_pread(fd, buf, 5, 0, 0, NULL);
    if (ret < 0) {
        fprintf(stderr, "Read(%s): %d (%s)\n", "test", ret, strerror(errno));
        return ret;
    }

    free(buf);
    glfs_close(fd);

    ret = glfs_fini(fs);
    if (ret < 0) {
        fprintf(stderr, "glfs_fini failed with ret: %d (%s)\n", ret,
                strerror(errno));
        return -1;
    }

    return 0;
error:
    return -1;
}