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hdf5/test/mount.c
Albert Cheng 5ce4069c24 [svn-r771] Changed exit(n) in main() to return(n) to pacify the compiler. 
Platform tested:
    O2K
1998-10-21 00:12:58 -05:00

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/*
* Copyright (C) 1998 NCSA
* All rights reserved.
*
* Programmer: Robb Matzke <matzke@llnl.gov>
* Wednesday, October 7, 1998
*
* Purpose: Tests file mounting.
*/
#include <hdf5.h>
#include <stdlib.h>
#define FALSE 0
#define TRUE 1
#define FILE_NAME_1 "mount_1.h5"
#define FILE_NAME_2 "mount_2.h5"
#define FILE_NAME_3 "mount_3.h5"
#include <H5config.h>
#ifndef HAVE_ATTRIBUTE
# undef __attribute__
# define __attribute__(X) /*void*/
# define __unused__ /*void*/
#else
# define __unused__ __attribute__((unused))
#endif
/*-------------------------------------------------------------------------
* Function: cleanup
*
* Purpose: Removes test files
*
* Return: void
*
* Programmer: Robb Matzke
* Thursday, June 4, 1998
*
* Modifications:
*
*-------------------------------------------------------------------------
*/
static void
cleanup(void)
{
if (!getenv("HDF5_NOCLEANUP")) {
remove(FILE_NAME_1);
remove(FILE_NAME_2);
remove(FILE_NAME_3);
}
}
/*-------------------------------------------------------------------------
* Function: display_error_cb
*
* Purpose: Displays the error stack after printing "*FAILED*".
*
* Return: Success: 0
*
* Failure: -1
*
* Programmer: Robb Matzke
* Wednesday, March 4, 1998
*
* Modifications:
*
*-------------------------------------------------------------------------
*/
static herr_t
display_error_cb(void __unused__ *client_data)
{
puts("*FAILED*");
H5Eprint(stdout);
return 0;
}
/*-------------------------------------------------------------------------
* Function: setup
*
* Purpose: Create some files and populate them with a few groups.
*
* Return: Success: 0
*
* Failure: -1
*
* Programmer: Robb Matzke
* Wednesday, October 7, 1998
*
* Modifications:
*
*-------------------------------------------------------------------------
*/
static int
setup(void)
{
hid_t file=-1;
/* file 1 */
if ((file=H5Fcreate(FILE_NAME_1, H5F_ACC_TRUNC, H5P_DEFAULT,
H5P_DEFAULT))<0) goto error;
if (H5Gclose(H5Gcreate(file, "/mnt1", 0))<0) goto error;
if (H5Gclose(H5Gcreate(file, "/mnt1/file1", 0))<0) goto error;
if (H5Gclose(H5Gcreate(file, "/mnt_unlink", 0))<0) goto error;
if (H5Gclose(H5Gcreate(file, "/mnt_move_a", 0))<0) goto error;
if (H5Glink(file, H5G_LINK_HARD, "/mnt1/file1", "/file1")<0) goto error;
if (H5Glink(file, H5G_LINK_HARD, "/mnt1", "/mnt1_link")<0) goto error;
if (H5Fclose(file)<0) goto error;
/* file 2 */
if ((file=H5Fcreate(FILE_NAME_2, H5F_ACC_TRUNC, H5P_DEFAULT,
H5P_DEFAULT))<0) goto error;
if (H5Gclose(H5Gcreate(file, "/file2", 0))<0) goto error;
if (H5Gclose(H5Gcreate(file, "/rename_a", 0))<0) goto error;
if (H5Gclose(H5Gcreate(file, "/rename_b", 0))<0) goto error;
if (H5Gclose(H5Gcreate(file, "/rename_a/x", 0))<0) goto error;
if (H5Fclose(file)<0) goto error;
/* file 3 */
if ((file=H5Fcreate(FILE_NAME_3, H5F_ACC_TRUNC, H5P_DEFAULT,
H5P_DEFAULT))<0) goto error;
if (H5Fclose(file)<0) goto error;
return 0;
error:
H5E_BEGIN_TRY {
H5Fclose(file);
} H5E_END_TRY;
return -1;
}
/*-------------------------------------------------------------------------
* Function: test_basic
*
* Purpose: Mount file1 at file2:/mnt1 and try accessing an object in
* file2. Then unmount.
*
* Return: Success: 0
*
* Failure: number of errors
*
* Programmer: Robb Matzke
* Wednesday, October 7, 1998
*
* Modifications:
*
*-------------------------------------------------------------------------
*/
static int
test_basic(void)
{
hid_t file1=-1, file2=-1, grp=-1;
printf("%-70s", "Testing basic functionality");
fflush(stdout);
if ((file1=H5Fopen(FILE_NAME_1, H5F_ACC_RDONLY, H5P_DEFAULT))<0 ||
(file2=H5Fopen(FILE_NAME_2, H5F_ACC_RDONLY, H5P_DEFAULT))<0)
goto error;
if (H5Fmount(file1, "/mnt1", file2, H5P_DEFAULT)<0) goto error;
if ((grp=H5Gopen(file1, "/mnt1/file2"))<0) goto error;
if (H5Gclose(grp)<0) goto error;
if (H5Funmount(file1, "/mnt1")<0) goto error;
if (H5Fclose(file1)<0) goto error;
if (H5Fclose(file2)<0) goto error;
puts(" PASSED");
return 0;
error:
H5E_BEGIN_TRY {
H5Fclose(file1);
H5Fclose(file2);
} H5E_END_TRY;
return 1;
}
/*-------------------------------------------------------------------------
* Function: test_illegal
*
* Purpose: Test things that are illegal to do. We should get a failure
* from the library for each of them.
*
* Return: Success: 0
*
* Failure: number of errors
*
* Programmer: Robb Matzke
* Wednesday, October 7, 1998
*
* Modifications:
*
*-------------------------------------------------------------------------
*/
static int
test_illegal(void)
{
hid_t file1=-1, file2=-1, file3=-1, mnt=-1;
herr_t status;
printf("%-70s", "Testing illegal mount operations");
fflush(stdout);
/* Open the files */
if ((file1=H5Fopen(FILE_NAME_1, H5F_ACC_RDONLY, H5P_DEFAULT))<0 ||
(file2=H5Fopen(FILE_NAME_2, H5F_ACC_RDONLY, H5P_DEFAULT))<0 ||
(file3=H5Fopen(FILE_NAME_3, H5F_ACC_RDONLY, H5P_DEFAULT))<0)
goto error;
/* Try mounting a file on itself */
H5E_BEGIN_TRY {
status = H5Fmount(file1, "/mnt1", file1, H5P_DEFAULT);
} H5E_END_TRY;
if (status>=0) {
puts("*FAILED*");
puts(" Mounting a file on itself should have failed.");
goto error;
}
/*
* Try mounting two files at the same place. We have to open the mount
* point before we mount the first file or we'll end up mounting file3 at
* the root of file2 and the mount will succeed.
*/
if ((mnt=H5Gopen(file1, "/mnt1"))<0) goto error;
if (H5Fmount(mnt, ".", file2, H5P_DEFAULT)<0) goto error;
H5E_BEGIN_TRY {
status = H5Fmount(mnt, ".", file3, H5P_DEFAULT);
} H5E_END_TRY;
if (status>=0) {
puts("*FAILED*");
puts(" Mounting two files at one mount point should have failed.");
goto error;
}
if (H5Funmount(mnt, ".")<0) goto error;
if (H5Gclose(mnt)<0) goto error;
/* Close everything and return */
if (H5Fclose(file1)<0) goto error;
if (H5Fclose(file2)<0) goto error;
if (H5Fclose(file3)<0) goto error;
puts(" PASSED");
return 0;
error:
H5E_BEGIN_TRY {
H5Gclose(mnt);
H5Fclose(file1);
H5Fclose(file2);
H5Fclose(file3);
} H5E_END_TRY;
return 1;
}
/*-------------------------------------------------------------------------
* Function: test_hide
*
* Purpose: The previous contents of the mount point is temporarily
* hidden. If objects in that group had names from other groups
* then the objects will still be visible by those other names.
*
* Return: Success: 0
*
* Failure: number of errors
*
* Programmer: Robb Matzke
* Wednesday, October 7, 1998
*
* Modifications:
*
*-------------------------------------------------------------------------
*/
static int
test_hide(void)
{
hid_t file1=-1, file2=-1, grp=-1;
H5G_stat_t sb1, sb2;
printf("%-70s", "Testing name hiding under mount point");
fflush(stdout);
if ((file1=H5Fopen(FILE_NAME_1, H5F_ACC_RDONLY, H5P_DEFAULT))<0 ||
(file2=H5Fopen(FILE_NAME_2, H5F_ACC_RDONLY, H5P_DEFAULT))<0)
goto error;
/* Get information about file1:/mnt1/file1 for later */
if (H5Gget_objinfo(file1, "/mnt1/file1", TRUE, &sb1)<0) goto error;
/* Build the virtual file */
if (H5Fmount(file1, "/mnt1", file2, H5P_DEFAULT)<0) goto error;
/* Original names under file1:/mnt1 should not be accessible */
H5E_BEGIN_TRY {
grp = H5Gopen(file1, "/mnt1/file1");
} H5E_END_TRY;
if (grp>=0) {
puts("*FAILED*");
puts(" Name is still accessible under mount point.");
goto error;
}
/*
* The original objects under file1:/mnt1 are still accessible by their
* other names. This is a rather stupid test but demonstrates a point.
*/
if (H5Gget_objinfo(file1, "/file1", TRUE, &sb2)<0) goto error;
if (sb1.fileno[0]!=sb2.fileno[0] || sb1.fileno[1]!=sb2.fileno[1] ||
sb1.objno[0]!=sb2.objno[0] || sb1.objno[1]!=sb2.objno[1]) {
puts("*FAILED*");
puts(" Hard link failed for hidden object.");
goto error;
}
/* Unmount and close objects */
if (H5Funmount(file1, "/mnt1")<0) goto error;
H5Fclose(file1);
H5Fclose(file2);
puts(" PASSED");
return 0;
error:
H5E_BEGIN_TRY {
H5Gclose(grp);
H5Fclose(file1);
H5Fclose(file2);
} H5E_END_TRY;
return 1;
}
/*-------------------------------------------------------------------------
* Function: test_assoc
*
* Purpose: Opening the mount point is the same as opening the root group
* of the mounted file before the file was mounted.
*
* Return: Success: 0
*
* Failure: number of errors
*
* Programmer: Robb Matzke
* Tuesday, October 13, 1998
*
* Modifications:
*
*-------------------------------------------------------------------------
*/
static int
test_assoc(void)
{
hid_t file1=-1, file2=-1;
H5G_stat_t sb1, sb2;
printf("%-70s", "Testing mount point open");
fflush(stdout);
/* Open the files */
if ((file1=H5Fopen(FILE_NAME_1, H5F_ACC_RDONLY, H5P_DEFAULT))<0 ||
(file2=H5Fopen(FILE_NAME_2, H5F_ACC_RDONLY, H5P_DEFAULT))<0)
goto error;
/* Get information about the root of file2 */
if (H5Gget_objinfo(file2, "/", TRUE, &sb1)<0) goto error;
/* Create the virtual file */
if (H5Fmount(file1, "/mnt1", file2, H5P_DEFAULT)<0) goto error;
/*
* Get info about the mount point -- should be the same as the root group
* of file2.
*/
if (H5Gget_objinfo(file1, "/mnt1", TRUE, &sb2)<0) goto error;
if (sb1.fileno[0]!=sb2.fileno[0] || sb1.fileno[1]!=sb2.fileno[1] ||
sb1.objno[0]!=sb2.objno[0] || sb1.objno[1]!=sb2.objno[1]) {
puts("*FAILED*");
puts(" Association failed.");
goto error;
}
/* Shut down */
if (H5Funmount(file1, "/mnt1_link")<0) goto error;
if (H5Fclose(file1)<0) goto error;
if (H5Fclose(file2)<0) goto error;
puts(" PASSED");
return 0;
error:
H5E_BEGIN_TRY {
H5Fclose(file2);
H5Fclose(file1);
} H5E_END_TRY;
return 1;
}
/*-------------------------------------------------------------------------
* Function: test_mntlnk
*
* Purpose: The mount point is actually an OID (not a name) so if there
* are other names for that group then the root group of the
* child will be visible in all those names.
*
* Return: Success: 0
*
* Failure: number of errors
*
* Programmer: Robb Matzke
* Wednesday, October 7, 1998
*
* Modifications:
*
*-------------------------------------------------------------------------
*/
static int
test_mntlnk(void)
{
hid_t file1=-1, file2=-1, grp=-1;
printf("%-70s", "Testing multi-linked mount point");
fflush(stdout);
/* Build the virtual file */
if ((file1=H5Fopen(FILE_NAME_1, H5F_ACC_RDONLY, H5P_DEFAULT))<0 ||
(file2=H5Fopen(FILE_NAME_2, H5F_ACC_RDONLY, H5P_DEFAULT))<0)
goto error;
if (H5Fmount(file1, "/mnt1", file2, H5P_DEFAULT)<0) goto error;
/*
* Can we see file2:/file2 as both file1:/mnt1/file2 and
* file1:/mnt1_link/file2?
*/
if ((grp=H5Gopen(file1, "/mnt1/file2"))<0) goto error;
if (H5Gclose(grp)<0) goto error;
if ((grp=H5Gopen(file1, "/mnt1_link/file2"))<0) goto error;
if (H5Gclose(grp)<0) goto error;
/* Unlink using second name */
if (H5Funmount(file1, "/mnt1_link")<0) goto error;
if (H5Fclose(file1)<0) goto error;
if (H5Fclose(file2)<0) goto error;
puts(" PASSED");
return 0;
error:
H5E_BEGIN_TRY {
H5Gclose(grp);
H5Fclose(file1);
H5Fclose(file2);
} H5E_END_TRY;
return 1;
}
/*-------------------------------------------------------------------------
* Function: test_move
*
* Purpose: An object cannot be moved or renamed with H5Gmove() in such a
* way that the new location would be in a different file than
* the original location.
*
* Return: Success: 0
*
* Failure: number of errors
*
* Programmer: Robb Matzke
* Wednesday, October 7, 1998
*
* Modifications:
*
*-------------------------------------------------------------------------
*/
static int
test_move(void)
{
hid_t file1=-1, file2=-1;
herr_t status;
printf("%-70s", "Testing object renaming");
fflush(stdout);
/* Build the virtual file */
if ((file1=H5Fopen(FILE_NAME_1, H5F_ACC_RDWR, H5P_DEFAULT))<0 ||
(file2=H5Fopen(FILE_NAME_2, H5F_ACC_RDWR, H5P_DEFAULT))<0)
goto error;
if (H5Fmount(file1, "/mnt1", file2, H5P_DEFAULT)<0) goto error;
/* First rename an object in the mounted file, then try it across files */
if (H5Gmove(file1, "/mnt1/rename_a/x", "/mnt1/rename_b/y")<0) goto error;
H5E_BEGIN_TRY {
status = H5Gmove(file1, "/mnt1/rename_b/y", "/y");
} H5E_END_TRY;
if (status>=0) {
puts("*FAILED*");
puts(" Moving an object across files should not have been possible");
goto error;
}
/* Shut down */
if (H5Funmount(file1, "/mnt1")<0) goto error;
if (H5Fclose(file1)<0) goto error;
if (H5Fclose(file2)<0) goto error;
puts(" PASSED");
return 0;
error:
H5E_BEGIN_TRY {
H5Fclose(file1);
H5Fclose(file2);
} H5E_END_TRY;
return 1;
}
/*-------------------------------------------------------------------------
* Function: test_preopen
*
* Purpose: Objects that are opened under the mount point before the
* child is mounted will remain accessible.
*
* Return: Success: 0
*
* Failure: number of errors
*
* Programmer: Robb Matzke
* Wednesday, October 7, 1998
*
* Modifications:
*
*-------------------------------------------------------------------------
*/
static int
test_preopen(void)
{
hid_t file1=-1, file2=-1, grp=-1;
printf("%-70s", "Testing preopening objects under the mount point");
fflush(stdout);
if ((file1=H5Fopen(FILE_NAME_1, H5F_ACC_RDONLY, H5P_DEFAULT))<0 ||
(file2=H5Fopen(FILE_NAME_2, H5F_ACC_RDONLY, H5P_DEFAULT))<0)
goto error;
/* Open something under the mount point */
if ((grp=H5Gopen(file1, "/mnt1/file1"))<0) goto error;
/* Build the virtual file */
if (H5Fmount(file1, "/mnt1", file2, H5P_DEFAULT)<0) goto error;
/* Now access the thing we previously opened */
if (H5Gget_objinfo(grp, ".", TRUE, NULL)<0) goto error;
/* Shut down */
if (H5Funmount(file1, "/mnt1")<0) goto error;
if (H5Gclose(grp)<0) goto error;
if (H5Fclose(file1)<0) goto error;
if (H5Fclose(file2)<0) goto error;
puts(" PASSED");
return 0;
error:
H5E_BEGIN_TRY {
H5Gclose(grp);
H5Fclose(file2);
H5Fclose(file1);
} H5E_END_TRY;
return 1;
}
/*-------------------------------------------------------------------------
* Function: test_postopen
*
* Purpose: Objects that are open in a mounted file remain accessible
* after the file is unmounted. Unmounting the file doesn't
* close the file.
*
* Return: Success: 0
*
* Failure: number of errors
*
* Programmer: Robb Matzke
* Wednesday, October 14, 1998
*
* Modifications:
*
*-------------------------------------------------------------------------
*/
static int
test_postopen(void)
{
hid_t file1=-1, file2=-1, grp=-1;
printf("%-70s", "Testing open object access after unmount");
fflush(stdout);
/* Create the virtual file */
if ((file1=H5Fopen(FILE_NAME_1, H5F_ACC_RDONLY, H5P_DEFAULT))<0 ||
(file2=H5Fopen(FILE_NAME_2, H5F_ACC_RDONLY, H5P_DEFAULT))<0)
goto error;
if (H5Fmount(file1, "/mnt1", file2, H5P_DEFAULT)<0) goto error;
/* Open some object in the mounted file */
if ((grp=H5Gopen(file1, "/mnt1/file2"))<0) goto error;
/* Unmount the file */
if (H5Funmount(file1, "/mnt1")<0) goto error;
/* Now access the thing we previously opened */
if (H5Gget_objinfo(grp, ".", TRUE, NULL)<0) goto error;
/* Try accessing it from the file */
if (H5Gget_objinfo(file2, "/file2", TRUE, NULL)<0) goto error;
/* Shut down */
if (H5Gclose(grp)<0) goto error;
if (H5Fclose(file1)<0) goto error;
if (H5Fclose(file2)<0) goto error;
puts(" PASSED");
return 0;
error:
H5E_BEGIN_TRY {
H5Gclose(grp);
H5Fclose(file2);
H5Fclose(file1);
} H5E_END_TRY;
return 1;
}
/*-------------------------------------------------------------------------
* Function: test_unlink
*
* Purpose: Unlinking the mount point from its name doesn't affect its
* existence or the fact that there is a file that is mounted
* there.
*
* Return: Success: 0
*
* Failure: number of errors
*
* Programmer: Robb Matzke
* Tuesday, October 13, 1998
*
* Modifications:
*
*-------------------------------------------------------------------------
*/
static int
test_unlink(void)
{
hid_t file1=-1, file2=-1, mnt=-1, root=-1;
herr_t status;
printf("%-70s", "Testing mount point unlinking");
fflush(stdout);
/* Open files */
if ((file1=H5Fopen(FILE_NAME_1, H5F_ACC_RDWR, H5P_DEFAULT))<0 ||
(file2=H5Fopen(FILE_NAME_2, H5F_ACC_RDWR, H5P_DEFAULT))<0)
goto error;
/*
* Opening the mount point before mounting opens the group in the parent
* file, but opening the mount point after mounting is the same as
* opening the root group of the child file.
*/
if ((mnt=H5Gopen(file1, "/mnt_unlink"))<0) goto error;
if (H5Fmount(file1, "/mnt_unlink", file2, H5P_DEFAULT)<0) goto error;
if ((root=H5Gopen(file1, "/mnt_unlink"))<0) goto error;
/*
* "/file2" of file2 should be visible as an absolute name through either
* file handle but not from the `mnt' handle since that handle was opened
* before the H5Fmount() and thus refers to the mount point itself rather
* than the group mounted there.
*/
if (H5Gget_objinfo(file1, "/mnt_unlink/file2", TRUE, NULL)<0) goto error;
if (H5Gget_objinfo(mnt, "/mnt_unlink/file2", TRUE, NULL)<0) goto error;
if (H5Gget_objinfo(root, "/mnt_unlink/file2", TRUE, NULL)<0) goto error;
if (H5Gget_objinfo(root, "file2", TRUE, NULL)<0) goto error;
H5E_BEGIN_TRY {
status = H5Gget_objinfo(mnt, "file2", TRUE, NULL);
} H5E_END_TRY;
if (status>=0) {
puts("*FAILED*");
puts(" Incorrect traversal from mount point!");
goto error;
}
/* Unlink the mount point */
if (H5Gunlink(file1, "/mnt_unlink")<0) goto error;
/*
* We should still be able to get to "/file2" of file2 by starting at
* `root' which is still open, but not by name.
*/
if (H5Gget_objinfo(root, "file2", TRUE, NULL)<0) goto error;
H5E_BEGIN_TRY {
status = H5Gget_objinfo(mnt, "file2", TRUE, NULL);
} H5E_END_TRY;
if (status>=0) {
puts("*FAILED*");
puts(" Traversal through mount point should not have worked!");
goto error;
}
H5E_BEGIN_TRY {
status = H5Gget_objinfo(file2, "/mnt_unlink/file2", TRUE, NULL);
} H5E_END_TRY;
if (status>=0) {
puts("*FAILED*");
puts(" Traversal through mount point should not have worked!");
goto error;
}
/*
* It's no longer possible to unmount the child by supplying the name of
* the mount point because the name doesn't exist anymore. We must
* supply the mount point directly.
*/
H5E_BEGIN_TRY {
status = H5Funmount(file1, "/mnt_unlink");
} H5E_END_TRY;
if (status>=0) {
puts("*FAILED*");
puts(" Unmount by name should not have been allowed!");
goto error;
}
H5E_BEGIN_TRY {
status = H5Funmount(file2, "/");
} H5E_END_TRY;
if (status>=0) {
puts("*FAILED*");
puts(" Unmount by name should not have been allowed!");
goto error;
}
if (H5Funmount(mnt, ".")<0) goto error;
/* Close files */
if (H5Gclose(mnt)<0) goto error;
if (H5Gclose(root)<0) goto error;
if (H5Fclose(file1)<0) goto error;
if (H5Fclose(file2)<0) goto error;
puts(" PASSED");
return 0;
error:
H5E_BEGIN_TRY {
H5Gclose(mnt);
H5Gclose(root);
H5Fclose(file2);
H5Fclose(file1);
} H5E_END_TRY;
return 1;
}
/*-------------------------------------------------------------------------
* Function: test_mvmpt
*
* Purpose: Try renaming the mount point while a file is mounted there.
*
* Return: Success: 0
*
* Failure: number of errors
*
* Programmer: Robb Matzke
* Tuesday, October 13, 1998
*
* Modifications:
*
*-------------------------------------------------------------------------
*/
static int
test_mvmpt(void)
{
hid_t file1=-1, file2=-1;
printf("%-70s", "Testing mount point renaming");
fflush(stdout);
/* Build the virtual file */
if ((file1=H5Fopen(FILE_NAME_1, H5F_ACC_RDWR, H5P_DEFAULT))<0 ||
(file2=H5Fopen(FILE_NAME_2, H5F_ACC_RDWR, H5P_DEFAULT))<0)
goto error;
if (H5Fmount(file1, "/mnt_move_a", file2, H5P_DEFAULT)<0) goto error;
/* Rename the mount point */
if (H5Gmove(file1, "/mnt_move_a", "/mnt_move_b")<0) goto error;
/* Access something under the new name */
if (H5Gget_objinfo(file1, "/mnt_move_b/file2", TRUE, NULL)<0) goto error;
/* Shut down */
if (H5Funmount(file1, "/mnt_move_b")<0) goto error;
if (H5Fclose(file1)<0) goto error;
if (H5Fclose(file2)<0) goto error;
puts(" PASSED");
return 0;
error:
H5E_BEGIN_TRY {
H5Fclose(file1);
H5Fclose(file2);
} H5E_END_TRY;
return 1;
}
/*-------------------------------------------------------------------------
* Function: test_interlink
*
* Purpose: Hard links cannot cross file boundaries.
*
* Return: Success: 0
*
* Failure: number of errors
*
* Programmer: Robb Matzke
* Wednesday, October 14, 1998
*
* Modifications:
*
*-------------------------------------------------------------------------
*/
static int
test_interlink(void)
{
hid_t file1=-1, file2=-1, type=-1, space=-1, dset=-1;
herr_t status;
hsize_t cur_dims[1] = {2};
printf("%-70s", "Testing interfile hard links");
fflush(stdout);
/* Build the virtual file */
if ((file1=H5Fopen(FILE_NAME_1, H5F_ACC_RDWR, H5P_DEFAULT))<0 ||
(file2=H5Fopen(FILE_NAME_2, H5F_ACC_RDWR, H5P_DEFAULT))<0)
goto error;
if (H5Fmount(file1, "/mnt1", file2, H5P_DEFAULT)<0) goto error;
/* Try an interfile hard link directly */
H5E_BEGIN_TRY {
status = H5Glink(file1, H5G_LINK_HARD, "/mnt1/file2", "/file2");
} H5E_END_TRY;
if (status>=0) {
puts("*FAILED*");
puts(" Interfile hard link should not have been allowed!");
goto error;
}
/* Try an interfile hard link by renaming something */
H5E_BEGIN_TRY {
status = H5Gmove(file1, "/mnt1/file2", "/file2");
} H5E_END_TRY;
if (status>=0) {
puts("*FAILED*");
puts(" Interfile renaming should not have been allowed!");
goto error;
}
/* Try an interfile hard link by sharing a data type */
if ((type=H5Tcopy(H5T_NATIVE_INT))<0) goto error;
if (H5Tcommit(file1, "/type1", type)<0) goto error;
if ((space=H5Screate_simple(1, cur_dims, NULL))<0) goto error;
H5E_BEGIN_TRY {
dset = H5Dcreate(file1, "/mnt1/file2/dset", type, space, H5P_DEFAULT);
} H5E_END_TRY;
if (dset>=0) {
puts("*FAILED*");
puts(" Dataset and shared type must be in the same file!");
goto error;
}
/* Shut down */
if (H5Sclose(space)<0) goto error;
if (H5Tclose(type)<0) goto error;
if (H5Funmount(file1, "/mnt1")<0) goto error;
if (H5Fclose(file1)<0) goto error;
if (H5Fclose(file2)<0) goto error;
puts(" PASSED");
return 0;
error:
H5E_BEGIN_TRY {
H5Dclose(dset);
H5Sclose(space);
H5Tclose(type);
H5Fclose(file1);
H5Fclose(file2);
} H5E_END_TRY;
return 1;
}
/*-------------------------------------------------------------------------
* Function: test_uniformity
*
* Purpose: Any file handle is equivalent to any other file handle in the
* same virtual file.
*
* Return: Success: 0
*
* Failure: number of errors
*
* Programmer: Robb Matzke
* Wednesday, October 14, 1998
*
* Modifications:
*
*-------------------------------------------------------------------------
*/
static int
test_uniformity(void)
{
hid_t file1=-1, file2=-1;
printf("%-70s", "Testing file handle uniformity");
fflush(stdout);
/* Build the virtual file */
if ((file1=H5Fopen(FILE_NAME_1, H5F_ACC_RDWR, H5P_DEFAULT))<0 ||
(file2=H5Fopen(FILE_NAME_2, H5F_ACC_RDWR, H5P_DEFAULT))<0)
goto error;
if (H5Fmount(file1, "/mnt1", file2, H5P_DEFAULT)<0) goto error;
/* Access some things from the file1 handle */
if (H5Gget_objinfo(file1, "/", TRUE, NULL)<0) goto error;
if (H5Gget_objinfo(file1, "/mnt1", TRUE, NULL)<0) goto error;
if (H5Gget_objinfo(file1, "mnt1", TRUE, NULL)<0) goto error;
if (H5Gget_objinfo(file1, "/mnt1/file2", TRUE, NULL)<0) goto error;
if (H5Gget_objinfo(file1, "mnt1/file2", TRUE, NULL)<0) goto error;
/* Access the same things from the file2 handle */
if (H5Gget_objinfo(file2, "/", TRUE, NULL)<0) goto error;
if (H5Gget_objinfo(file2, "/mnt1", TRUE, NULL)<0) goto error;
if (H5Gget_objinfo(file2, "mnt1", TRUE, NULL)<0) goto error;
if (H5Gget_objinfo(file2, "/mnt1/file2", TRUE, NULL)<0) goto error;
if (H5Gget_objinfo(file2, "mnt1/file2", TRUE, NULL)<0) goto error;
/* Shut down */
if (H5Funmount(file1, "/mnt1")<0) goto error;
if (H5Fclose(file1)<0) goto error;
if (H5Fclose(file2)<0) goto error;
puts(" PASSED");
return 0;
error:
H5E_BEGIN_TRY {
H5Fclose(file1);
H5Fclose(file2);
} H5E_END_TRY;
return 1;
}
/*-------------------------------------------------------------------------
* Function: test_close
*
* Purpose: Closing any file handle closes the entire virtual file.
*
* Return: Success: 0
*
* Failure: number of errors
*
* Programmer: Robb Matzke
* Wednesday, October 14, 1998
*
* Modifications:
*
*-------------------------------------------------------------------------
*/
static int
test_close(void)
{
hid_t file1=-1, file2=-1;
herr_t status;
printf("%-70s", "Testing file handle close");
fflush(stdout);
/* Build the virtual file */
if ((file1=H5Fopen(FILE_NAME_1, H5F_ACC_RDWR, H5P_DEFAULT))<0 ||
(file2=H5Fopen(FILE_NAME_2, H5F_ACC_RDWR, H5P_DEFAULT))<0)
goto error;
if (H5Fmount(file1, "/mnt1", file2, H5P_DEFAULT)<0) goto error;
/*
* Close file1 unmounting it from the virtual file. Objects in file2 are
* still accessible through the file2 handle, but nothing in file1 is
* accessible.
*/
if (H5Fclose(file1)<0) goto error;
H5E_BEGIN_TRY {
status = H5Gget_objinfo(file2, "/mnt1", TRUE, NULL);
} H5E_END_TRY;
if (status>=0) {
puts("*FAILED*");
puts(" File1 contents are still accessible!");
goto error;
}
if (H5Fclose(file2)<0) goto error;
/* Build the virtual file again */
if ((file1=H5Fopen(FILE_NAME_1, H5F_ACC_RDWR, H5P_DEFAULT))<0 ||
(file2=H5Fopen(FILE_NAME_2, H5F_ACC_RDWR, H5P_DEFAULT))<0)
goto error;
if (H5Fmount(file1, "/mnt1", file2, H5P_DEFAULT)<0) goto error;
/*
* Close file2. It is not actually closed because it's a child of file1.
*/
if (H5Fclose(file2)<0) goto error;
if (H5Gget_objinfo(file1, "/mnt1/file2", TRUE, NULL)<0) goto error;
if (H5Fclose(file1)<0) goto error;
/* Shut down */
puts(" PASSED");
return 0;
error:
H5E_BEGIN_TRY {
H5Fclose(file1);
H5Fclose(file2);
} H5E_END_TRY;
return 1;
}
/*-------------------------------------------------------------------------
* Function: main
*
* Purpose: Test file mounting
*
* Return: Success: zero
*
* Failure: non-zero
*
* Programmer: Robb Matzke
* Wednesday, October 7, 1998
*
* Modifications:
*
*-------------------------------------------------------------------------
*/
int
main(void)
{
int nerrors = 0;
H5Eset_auto(display_error_cb, NULL);
if (setup()<0) goto error;
nerrors += test_basic();
nerrors += test_illegal();
nerrors += test_hide();
nerrors += test_assoc();
nerrors += test_mntlnk();
nerrors += test_unlink();
nerrors += test_move();
nerrors += test_mvmpt();
nerrors += test_preopen();
nerrors += test_postopen();
nerrors += test_interlink();
nerrors += test_uniformity();
nerrors += test_close();
if (nerrors) goto error;
puts("All mount tests passed.");
cleanup();
return(0);
error:
puts("***** MOUNT ERRORS *****");
return(1);
}
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