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#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)
#define GLAPI_UUID_LENGTH 16
int
main(int argc, char *argv[])
{
glfs_t *fs = NULL;
glfs_t *fs2 = NULL;
int ret = 0, i;
glfs_fd_t *fd = NULL;
char *filename = "/a1";
char *filename2 = "/a2";
struct stat sb = {
0,
};
char *logfile = NULL;
char *volname = NULL;
char *hostname = NULL;
int cnt = 1;
int upcall_received = 0;
struct glfs_upcall *cbk = NULL;
struct glfs_object *root = NULL, *leaf = NULL;
unsigned char globjhdl[GFAPI_HANDLE_LENGTH];
unsigned char globjhdl2[GFAPI_HANDLE_LENGTH];
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);
/* This does not block, but enables caching of events. Real
* applications like NFS-Ganesha run this in a thread before activity
* on the fs (through this instance) happens. */
ret = glfs_h_poll_upcall(fs, &cbk);
LOG_ERR("glfs_h_poll_upcall", ret);
fs2 = glfs_new(volname);
if (!fs) {
fprintf(stderr, "glfs_new: returned NULL\n");
return 1;
}
ret = glfs_set_volfile_server(fs2, "tcp", hostname, 24007);
LOG_ERR("glfs_set_volfile_server", ret);
ret = glfs_set_logging(fs2, logfile, 7);
LOG_ERR("glfs_set_logging", ret);
ret = glfs_init(fs2);
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);
}
root = glfs_h_lookupat(fs2, NULL, "/", &sb, 0);
if (!root) {
ret = -1;
LOG_ERR("glfs_h_lookupat root", ret);
}
leaf = glfs_h_creat(fs2, 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);
while (cnt++ < 5 && !upcall_received) {
enum glfs_upcall_reason reason = 0;
struct glfs_upcall_inode *in_arg = NULL;
ret = glfs_h_poll_upcall(fs, &cbk);
LOG_ERR("glfs_h_poll_upcall", ret);
if (ret)
goto retry;
reason = glfs_upcall_get_reason(cbk);
fprintf(stderr, "Upcall received(%d)\n", reason);
if (reason == GLFS_UPCALL_INODE_INVALIDATE) {
struct glfs_object *object = NULL;
in_arg = glfs_upcall_get_event(cbk);
object = glfs_upcall_inode_get_object(in_arg);
ret = glfs_h_extract_handle(root, globjhdl + GLAPI_UUID_LENGTH,
GFAPI_HANDLE_LENGTH);
LOG_ERR("glfs_h_extract_handle", (ret != 16));
ret = glfs_h_extract_handle(object, globjhdl2 + GLAPI_UUID_LENGTH,
GFAPI_HANDLE_LENGTH);
LOG_ERR("glfs_h_extract_handle", (ret != 16));
if (memcmp(globjhdl + GLAPI_UUID_LENGTH,
globjhdl2 + GLAPI_UUID_LENGTH, 16)) {
fprintf(stderr, "Error: gfid mismatch\n");
exit(1);
}
upcall_received = 1;
}
retry:
if (!upcall_received)
sleep(1); /* glfs_h_poll_upcall() does not block */
if (!ret) {
glfs_free(cbk);
cbk = NULL;
}
}
if (!upcall_received) {
fprintf(stderr, "Error: Upcall not received\n");
exit(1);
}
ret = glfs_fini(fs);
LOG_ERR("glfs_fini", ret);
fprintf(stderr, "End of libgfapi_fini\n");
exit(0);
}
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