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#include <fcntl.h>
#include <unistd.h>
#include <time.h>
#include <limits.h>
#include <string.h>
#include <stdio.h>
#include <stdlib.h>
#include <errno.h>
#include <glusterfs/api/glfs.h>
#include <glusterfs/api/glfs-handles.h>
#define LOG_ERR(msg) \
do { \
fprintf(stderr, "%s : Error (%s)\n", msg, strerror(errno)); \
} while (0)
int cbk_complete = 0;
int cbk_ret_val = -1;
void
cbk_check()
{
while (cbk_complete != 1) {
sleep(1);
}
if (cbk_ret_val < 0) {
fprintf(stderr, "cbk_ret_val is -ve\n");
}
}
int
fill_iov(struct iovec *iov, char fillchar, int count)
{
int ret = -1;
iov->iov_base = malloc(count + 1);
if (iov->iov_base == NULL) {
return ret;
} else {
iov->iov_len = count;
ret = 0;
}
memset(iov->iov_base, fillchar, count);
memset(iov->iov_base + count, '\0', 1);
return ret;
}
glfs_t *
init_glfs(const char *hostname, const char *volname, const char *logfile)
{
int ret = -1;
glfs_t *fs = NULL;
fs = glfs_new(volname);
if (!fs) {
LOG_ERR("glfs_new failed");
return NULL;
}
ret = glfs_set_volfile_server(fs, "tcp", hostname, 24007);
if (ret < 0) {
LOG_ERR("glfs_set_volfile_server failed");
goto out;
}
ret = glfs_set_logging(fs, logfile, 7);
if (ret < 0) {
LOG_ERR("glfs_set_logging failed");
goto out;
}
ret = glfs_init(fs);
if (ret < 0) {
LOG_ERR("glfs_init failed");
goto out;
}
ret = 0;
out:
if (ret) {
glfs_fini(fs);
fs = NULL;
}
return fs;
}
void
pwritev_async_cbk(glfs_fd_t *fd, ssize_t ret, struct stat *prestat,
struct stat *poststat, void *cookie)
{
if (ret < 0) {
LOG_ERR("glfs_pwritev failed");
}
cbk_ret_val = ret;
cbk_complete = 1;
}
int
pwritev_async(glfs_t *fs, glfs_fd_t *glfd, int char_count)
{
ssize_t ret = -1;
int flags = O_RDWR;
struct iovec iov = {0};
void *write_cookie = NULL;
ret = fill_iov(&iov, 'a', char_count);
if (ret) {
LOG_ERR("failed to create iov");
goto out;
}
write_cookie = strdup("write_cookie");
ret = glfs_pwritev_async(glfd, &iov, 1, 0, flags, pwritev_async_cbk,
&write_cookie);
out:
if (ret < 0) {
LOG_ERR("glfs_pwritev async failed");
}
return ret;
}
void
pwrite_async_cbk(glfs_fd_t *fd, ssize_t ret, struct stat *prestat,
struct stat *poststat, void *cookie)
{
if (ret < 0) {
LOG_ERR("glfs_pwrite_cbk failed");
}
cbk_ret_val = ret;
cbk_complete = 1;
}
int
pwrite_async(glfs_fd_t *glfd)
{
ssize_t ret = -1;
int flags = O_RDWR;
char buf1[10];
char *buf2 = "ten bytes!";
void *write_cookie = strdup("write_cookie");
ret = glfs_pwrite_async(glfd, buf1, 10, 0, flags, pwrite_async_cbk,
&write_cookie);
if (ret < 0) {
LOG_ERR("glfs_pwrite_async failed");
}
return ret;
}
void
writev_async_cbk(glfs_fd_t *fd, ssize_t ret, struct stat *prestat,
struct stat *poststat, void *cookie)
{
if (ret < 0) {
LOG_ERR("glfs_writev_cbk failed");
}
cbk_ret_val = ret;
cbk_complete = 1;
}
int
writev_async(glfs_t *fs, glfs_fd_t *glfd, int char_count)
{
ssize_t ret = -1;
int flags = O_RDWR;
struct iovec iov = {0};
void *write_cookie = NULL;
ret = fill_iov(&iov, 'a', char_count);
if (ret) {
LOG_ERR("failed to create iov");
goto out;
}
write_cookie = strdup("write_cookie");
ret = glfs_writev_async(glfd, &iov, 1, flags, writev_async_cbk,
&write_cookie);
out:
if (ret < 0) {
LOG_ERR("glfs_writev_async failed");
}
return ret;
}
void
write_async_cbk(glfs_fd_t *fd, ssize_t ret, struct stat *prestat,
struct stat *poststat, void *cookie)
{
if (ret < 0) {
LOG_ERR("glfs_write_cbk failed");
}
cbk_ret_val = ret;
cbk_complete = 1;
}
int
write_async(glfs_fd_t *glfd)
{
ssize_t ret = -1;
int flags = O_RDWR;
char buf1[10];
char *buf2 = "ten bytes!";
void *write_cookie = strdup("write_cookie");
ret = glfs_write_async(glfd, buf1, 10, flags, write_async_cbk,
&write_cookie);
if (ret < 0) {
LOG_ERR("glfs_write_async failed");
}
return ret;
}
void
preadv_async_cbk(glfs_fd_t *fd, ssize_t ret, struct stat *prestat,
struct stat *poststat, void *cookie)
{
if (ret < 0) {
LOG_ERR("glfs_preadv_cbk failed");
}
cbk_ret_val = ret;
cbk_complete = 1;
}
int
preadv_async(glfs_t *fs, glfs_fd_t *glfd, int char_count)
{
ssize_t ret = -1;
int flags = O_RDWR;
struct iovec iov = {0};
void *read_cookie = NULL;
ret = fill_iov(&iov, 'a', char_count);
if (ret) {
LOG_ERR("failed to create iov");
goto out;
}
read_cookie = strdup("preadv_cookie");
ret = glfs_preadv_async(glfd, &iov, 1, 0, flags, preadv_async_cbk,
&read_cookie);
out:
if (ret < 0) {
LOG_ERR("glfs_preadv async failed");
}
return ret;
}
void
pread_async_cbk(glfs_fd_t *fd, ssize_t ret, struct stat *prestat,
struct stat *poststat, void *cookie)
{
if (ret < 0) {
LOG_ERR("glfs_pread_cbk failed");
}
cbk_ret_val = ret;
cbk_complete = 1;
}
int
pread_async(glfs_fd_t *glfd)
{
ssize_t ret = -1;
int flags = O_RDWR;
char buf1[10];
void *read_cookie = strdup("read_cookie");
ret = glfs_pread_async(glfd, buf1, 10, 0, flags, pread_async_cbk,
&read_cookie);
if (ret < 0) {
LOG_ERR("glfs_pread_async failed");
}
return ret;
}
void
readv_async_cbk(glfs_fd_t *fd, ssize_t ret, struct stat *prestat,
struct stat *poststat, void *cookie)
{
if (ret < 0) {
LOG_ERR("glfs_readv_cbk failed");
}
cbk_ret_val = ret;
cbk_complete = 1;
}
int
readv_async(glfs_t *fs, glfs_fd_t *glfd, int char_count)
{
ssize_t ret = -1;
int flags = O_RDWR;
struct iovec iov = {0};
void *read_cookie = NULL;
ret = fill_iov(&iov, 'a', char_count);
if (ret) {
LOG_ERR("failed to create iov");
goto out;
}
read_cookie = strdup("read_cookie");
ret = glfs_readv_async(glfd, &iov, 1, flags, readv_async_cbk, &read_cookie);
out:
if (ret < 0) {
LOG_ERR("glfs_readv_async failed");
}
return ret;
}
void
read_async_cbk(glfs_fd_t *fd, ssize_t ret, struct stat *prestat,
struct stat *poststat, void *cookie)
{
if (ret < 0) {
LOG_ERR("glfs_read_cbk failed");
}
cbk_ret_val = ret;
cbk_complete = 1;
}
int
read_async(glfs_fd_t *glfd)
{
ssize_t ret = -1;
int flags = O_RDWR;
char buf1[10];
void *read_cookie = strdup("read_cookie");
ret = glfs_read_async(glfd, buf1, 10, flags, read_async_cbk, &read_cookie);
if (ret < 0) {
LOG_ERR("glfs_read_async failed");
}
return ret;
}
void
fsync_async_cbk(glfs_fd_t *fd, ssize_t ret, struct stat *prestat,
struct stat *poststat, void *cookie)
{
if (ret < 0) {
LOG_ERR("glfs_fsync_async_cbk failed");
}
cbk_ret_val = ret;
cbk_complete = 1;
}
void
fdatasync_async_cbk(glfs_fd_t *fd, ssize_t ret, struct stat *prestat,
struct stat *poststat, void *cookie)
{
if (ret < 0) {
LOG_ERR("glfs_fdatasync_async_cbk failed");
}
cbk_ret_val = ret;
cbk_complete = 1;
}
void
ftruncate_async_cbk(glfs_fd_t *fd, ssize_t ret, struct stat *prestat,
struct stat *poststat, void *cookie)
{
if (ret < 0) {
LOG_ERR("glfs_ftruncate_async_cbk failed");
}
cbk_ret_val = ret;
cbk_complete = 1;
}
int
main(int argc, char *argv[])
{
int ret = 0;
char *hostname = NULL;
char *volname = NULL;
char *logfile = NULL;
glfs_t *fs = NULL;
const char *filename = "glfs_test.txt";
int flags = (O_RDWR | O_CREAT);
glfs_fd_t *glfd = NULL;
int count = 200;
void *data = strdup("Sample_text");
if (argc != 4) {
fprintf(stderr, "Invalid argument\n");
exit(1);
}
hostname = argv[1];
volname = argv[2];
logfile = argv[3];
fs = init_glfs(hostname, volname, logfile);
if (fs == NULL) {
LOG_ERR("init_glfs failed");
return -1;
}
glfd = glfs_creat(fs, filename, flags, 0644);
if (glfd == NULL) {
LOG_ERR("glfs_creat failed");
exit(1);
}
ret = pwritev_async(fs, glfd, count);
if (ret) {
LOG_ERR("glfs_pwritev_async_test failed");
exit(1);
}
cbk_check();
ret = writev_async(fs, glfd, count);
if (ret) {
LOG_ERR("glfs_writev_async_test failed");
exit(1);
}
cbk_check();
ret = write_async(glfd);
if (ret) {
LOG_ERR("glfs_write_async_test failed");
exit(1);
}
cbk_check();
ret = preadv_async(fs, glfd, count);
if (ret) {
LOG_ERR("glfs_preadv_async_test failed");
exit(1);
}
cbk_check();
ret = pread_async(glfd);
if (ret) {
LOG_ERR("glfs_pread_async_test failed");
exit(1);
}
cbk_check();
ret = readv_async(fs, glfd, count);
if (ret) {
LOG_ERR("glfs_readv_async_test failed");
exit(1);
}
cbk_check();
ret = read_async(glfd);
if (ret) {
LOG_ERR("glfs_read_async_test failed");
exit(1);
}
cbk_check();
ret = glfs_fsync(glfd, NULL, NULL);
if (ret < 0) {
LOG_ERR("glfs_fsync failed");
exit(1);
}
ret = glfs_fdatasync(glfd, NULL, NULL);
if (ret < 0) {
LOG_ERR("glfs_fdatasync failed");
exit(1);
}
ret = glfs_fsync_async(glfd, fsync_async_cbk, data);
if (ret < 0) {
LOG_ERR("glfs_fsync_async failed");
exit(1);
}
cbk_check();
ret = glfs_fdatasync_async(glfd, fdatasync_async_cbk, data);
if (ret < 0) {
LOG_ERR("glfs_fdatasync_async failed");
exit(1);
}
cbk_check();
ret = glfs_ftruncate_async(glfd, 4, ftruncate_async_cbk, data);
if (ret < 0) {
LOG_ERR("glfs_ftruncate_async failed");
exit(1);
}
ret = glfs_close(glfd);
if (ret < 0) {
LOG_ERR("glfs close failed");
}
ret = glfs_fini(fs);
return ret;
}
|
