hdf5/test/links.c

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/* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *
* Copyright by the Board of Trustees of the University of Illinois. *
* All rights reserved. *
* *
* This file is part of HDF5. The full HDF5 copyright notice, including *
* terms governing use, modification, and redistribution, is contained in *
* the files COPYING and Copyright.html. COPYING can be found at the root *
* of the source code distribution tree; Copyright.html can be found at the *
* root level of an installed copy of the electronic HDF5 document set and *
* is linked from the top-level documents page. It can also be found at *
* http://hdf.ncsa.uiuc.edu/HDF5/doc/Copyright.html. If you do not have *
* access to either file, you may request a copy from hdfhelp@ncsa.uiuc.edu. *
* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */
/*
* Programmer: Robb Matzke <matzke@llnl.gov>
* Friday, April 10, 1998
*
* Purpose: Tests hard and soft (symbolic) links.
*/
#include "h5test.h"
const char *FILENAME[] = {
"links1",
"links2",
"links3",
NULL
};
/*-------------------------------------------------------------------------
* Function: mklinks
*
* Purpose: Build a file with assorted links.
*
* Return: Success: 0
*
* Failure: -1
*
* Programmer: Robb Matzke
* Friday, August 14, 1998
*
* Modifications:
*
*-------------------------------------------------------------------------
*/
static int
mklinks(hid_t fapl)
{
hid_t file, scalar, grp, d1;
static hsize_t size[1] = {1};
char filename[1024];
TESTING("link creation");
/* Create a file */
h5_fixname(FILENAME[0], fapl, filename, sizeof filename);
if ((file=H5Fcreate(filename, H5F_ACC_TRUNC, H5P_DEFAULT, fapl))<0) {
goto error;
}
if ((scalar=H5Screate_simple (1, size, size))<0) goto error;
/* Create a group */
if ((grp=H5Gcreate (file, "grp1", 0))<0) goto error;
if (H5Gclose (grp)<0) goto error;
/* Create a dataset */
if ((d1=H5Dcreate (file, "d1", H5T_NATIVE_INT, scalar, H5P_DEFAULT))<0) {
goto error;
}
if (H5Dclose (d1)<0) goto error;
/* Create a hard link */
if (H5Glink (file, H5G_LINK_HARD, "d1", "grp1/hard")<0) goto error;
/* Create a symbolic link */
if (H5Glink (file, H5G_LINK_SOFT, "/d1", "grp1/soft")<0) goto error;
/* Create a symbolic link to something that doesn't exist */
if (H5Glink (file, H5G_LINK_SOFT, "foobar", "grp1/dangle")<0) goto error;
/* Create a recursive symbolic link */
if (H5Glink (file, H5G_LINK_SOFT, "/grp1/recursive",
"/grp1/recursive")<0) {
goto error;
}
/* Close */
if (H5Sclose (scalar)<0) goto error;
if (H5Fclose (file)<0) goto error;
PASSED();
return 0;
error:
return -1;
}
/*-------------------------------------------------------------------------
* Function: new_links
*
* Purpose: Build a file with assorted links for different locations.
*
* Return: Success: 0
*
* Failure: -1
*
* Programmer: Raymond Lu
* Friday, April 19, 2002
*
* Modifications:
*
*-------------------------------------------------------------------------
*/
static int
new_links(hid_t fapl)
{
hid_t file_a, file_b=(-1);
hid_t grp1_a=(-1), grp1_b=(-1), grp2_a=(-1), grp2_b=(-1);
hid_t scalar=(-1);
hid_t dset1=(-1), dset2=(-1);
char filename[1024];
static hsize_t size[1] = {1};
TESTING("H5Glink2 function");
/* Create two files */
h5_fixname(FILENAME[1], fapl, filename, sizeof filename);
if ((file_a=H5Fcreate(filename, H5F_ACC_TRUNC, H5P_DEFAULT, fapl))<0) {
goto error;
}
h5_fixname(FILENAME[2], fapl, filename, sizeof filename);
if ((file_b=H5Fcreate(filename, H5F_ACC_TRUNC, H5P_DEFAULT, fapl))<0) {
goto error;
}
if ((scalar=H5Screate_simple (1, size, size))<0) goto error;
/* Create two groups in each file */
if ((grp1_a=H5Gcreate (file_a, "grp1", 0))<0) goto error;
if ((grp2_a=H5Gcreate (file_a, "grp2", 0))<0) goto error;
if ((grp1_b=H5Gcreate (file_b, "grp1", 0))<0) goto error;
if ((grp2_b=H5Gcreate (file_b, "grp2", 0))<0) goto error;
/* Create datasets */
if((dset1=H5Dcreate(file_a, "dataset1", H5T_NATIVE_INT, scalar,
H5P_DEFAULT))<0) {
goto error;
}
if((dset2=H5Dcreate(grp1_a, "dataset2", H5T_NATIVE_INT, scalar,
H5P_DEFAULT))<0) {
goto error;
}
/* Create links within a file. Both of source and destination use
* H5G_SAME_LOC. Both hard and soft links should fail. */
H5E_BEGIN_TRY {
if(H5Glink2(H5G_SAME_LOC, "dataset1", H5G_LINK_HARD , H5G_SAME_LOC,
"hard")!=FAIL) goto error;
} H5E_END_TRY;
H5E_BEGIN_TRY {
if(H5Glink2(H5G_SAME_LOC, "dataset1", H5G_LINK_SOFT , H5G_SAME_LOC,
"soft")!=FAIL) goto error;
} H5E_END_TRY;
/* Create links across files. Both hard and soft links should fail. */
H5E_BEGIN_TRY {
if(H5Glink2(file_a, "dataset1", H5G_LINK_HARD , file_b,
"hard")!=FAIL) goto error;
} H5E_END_TRY;
H5E_BEGIN_TRY {
if(H5Glink2(file_a, "dataset1", H5G_LINK_SOFT, file_b, "soft")!=FAIL)
goto error;
} H5E_END_TRY;
/* Create links to test H5G_SAME_LOC, H5G_LINK_HARD, H5G_LINK_SOFT. */
if(H5Glink2(grp1_a, "dataset2", H5G_LINK_HARD , H5G_SAME_LOC,
"hard1")<0) {
goto error;
}
if(H5Glink2(H5G_SAME_LOC, "dataset2", H5G_LINK_SOFT , grp1_a,
"soft1")<0) {
goto error;
}
/* Create links to test H5G_LINK_HARD, H5G_LINK_SOFT across different
* locations. */
if(H5Glink2(grp1_a, "dataset2", H5G_LINK_HARD, grp2_a, "hard2")<0) {
goto error;
}
if(H5Glink2(grp1_a, "/grp1/dataset2", H5G_LINK_SOFT , grp2_a, "soft2")<0) {
goto error;
}
/* Close dataspace and files */
if (H5Sclose (scalar)<0) goto error;
if (H5Dclose(dset1)<0) goto error;
if (H5Dclose(dset2)<0) goto error;
if (H5Gclose (grp1_a)<0) goto error;
if (H5Gclose (grp2_a)<0) goto error;
if (H5Gclose (grp1_b)<0) goto error;
if (H5Gclose (grp2_b)<0) goto error;
if (H5Fclose (file_a)<0) goto error;
if (H5Fclose (file_b)<0) goto error;
PASSED();
return 0;
error:
H5E_BEGIN_TRY {
H5Sclose (scalar);
H5Dclose (dset1);
H5Dclose (dset2);
H5Gclose (grp1_a);
H5Gclose (grp2_a);
H5Gclose (grp1_b);
H5Gclose (grp2_b);
H5Fclose (file_a);
H5Fclose (file_b);
} H5E_END_TRY;
return -1;
}
/*-------------------------------------------------------------------------
* Function: cklinks
*
* Purpose: Open the file created in the first step and check that the
* links look correct.
*
* Return: Success: 0
*
* Failure: -1
*
* Programmer: Robb Matzke
* Friday, August 14, 1998
*
* Modifications:
*
*-------------------------------------------------------------------------
*/
static int
cklinks(hid_t fapl)
{
hid_t file;
H5G_stat_t sb1, sb2;
char linkval[1024];
char filename[1024];
herr_t status;
TESTING("link queries");
/* Open the file */
h5_fixname(FILENAME[0], fapl, filename, sizeof filename);
if ((file=H5Fopen(filename, H5F_ACC_RDONLY, fapl))<0) {
goto error;
}
/* Hard link */
if (H5Gget_objinfo(file, "d1", TRUE, &sb1)<0) goto error;
if (H5Gget_objinfo(file, "grp1/hard", TRUE, &sb2)<0) goto error;
if (H5G_DATASET!=sb2.type) {
H5_FAILED();
puts(" Unexpected object type should have been a dataset");
goto error;
}
if (sb1.objno[0]!=sb2.objno[0] || sb1.objno[1]!=sb2.objno[1]) {
H5_FAILED();
puts(" Hard link test failed. Link seems not to point to the ");
puts(" expected file location.");
goto error;
}
/* Symbolic link */
if (H5Gget_objinfo(file, "grp1/soft", TRUE, &sb2)<0) goto error;
if (H5G_DATASET!=sb2.type) {
H5_FAILED();
puts(" Unexpected object type should have been a dataset");
goto error;
}
if (sb1.objno[0]!=sb2.objno[0] || sb1.objno[1]!=sb2.objno[1]) {
H5_FAILED();
puts(" Soft link test failed. Link seems not to point to the ");
puts(" expected file location.");
goto error;
}
if (H5Gget_linkval(file, "grp1/soft", sizeof linkval, linkval)<0) {
goto error;
}
if (strcmp(linkval, "/d1")) {
H5_FAILED();
puts(" Soft link test failed. Wrong link value");
goto error;
}
/* Dangling link */
H5E_BEGIN_TRY {
status = H5Gget_objinfo(file, "grp1/dangle", TRUE, &sb2);
} H5E_END_TRY;
if (status>=0) {
H5_FAILED();
puts(" H5Gget_objinfo() should have failed for a dangling link.");
goto error;
}
if (H5Gget_objinfo(file, "grp1/dangle", FALSE, &sb2)<0) goto error;
if (H5G_LINK!=sb2.type) {
H5_FAILED();
puts(" Unexpected object type should have been a symbolic link");
goto error;
}
if (H5Gget_linkval(file, "grp1/dangle", sizeof linkval, linkval)<0) {
goto error;
}
if (strcmp(linkval, "foobar")) {
H5_FAILED();
puts(" Dangling link test failed. Wrong link value");
goto error;
}
/* Recursive link */
H5E_BEGIN_TRY {
status = H5Gget_objinfo(file, "grp1/recursive", TRUE, &sb2);
} H5E_END_TRY;
if (status>=0) {
H5_FAILED();
puts(" H5Gget_objinfo() should have failed for a recursive link.");
goto error;
}
if (H5Gget_objinfo(file, "grp1/recursive", FALSE, &sb2)<0) goto error;
if (H5G_LINK!=sb2.type) {
H5_FAILED();
puts(" Unexpected object type should have been a symbolic link");
goto error;
}
if (H5Gget_linkval(file, "grp1/recursive", sizeof linkval, linkval)<0) {
goto error;
}
if (strcmp(linkval, "/grp1/recursive")) {
H5_FAILED();
puts(" Recursive link test failed. Wrong link value");
goto error;
}
/* Cleanup */
if (H5Fclose(file)<0) goto error;
PASSED();
return 0;
error:
return -1;
}
/*-------------------------------------------------------------------------
* Function: ck_new_links
*
* Purpose: Open the file created in the first step and check that the
* links look correct.
*
* Return: Success: 0
*
* Failure: -1
*
* Programmer: Raymond Lu
* Thursday, April 25, 2002
*
* Modifications:
*
*-------------------------------------------------------------------------
*/
static int
ck_new_links(hid_t fapl)
{
hid_t file;
H5G_stat_t sb_dset, sb_hard1, sb_hard2, sb_soft1, sb_soft2;
char filename[1024];
char linkval[1024];
TESTING("new link queries");
/* Open the file */
h5_fixname(FILENAME[1], fapl, filename, sizeof filename);
if ((file=H5Fopen(filename, H5F_ACC_RDONLY, fapl))<0) {
goto error;
}
/* Get hard link info */
if(H5Gget_objinfo(file, "/grp1/dataset2", TRUE, &sb_dset)<0)
goto error;
if(H5Gget_objinfo(file, "/grp1/hard1", TRUE, &sb_hard1)<0)
goto error;
if(H5Gget_objinfo(file, "/grp2/hard2", TRUE, &sb_hard2)<0)
goto error;
/* Check hard links */
if(H5G_DATASET!=sb_hard1.type || H5G_DATASET!=sb_hard2.type) {
H5_FAILED();
puts(" Unexpected object type, should have been a dataset");
goto error;
}
if( sb_dset.objno[0]!=sb_hard1.objno[0] ||
sb_dset.objno[1]!=sb_hard1.objno[1] ||
sb_dset.objno[0]!=sb_hard2.objno[0] ||
sb_dset.objno[1]!=sb_hard2.objno[1] ) {
H5_FAILED();
puts(" Hard link test failed. Link seems not to point to the ");
puts(" expected file location.");
goto error;
}
/* Get soft link info */
if(H5Gget_objinfo(file, "/grp1/soft1", TRUE, &sb_soft1)<0) goto error;
if(H5Gget_objinfo(file, "/grp2/soft2", TRUE, &sb_soft2)<0) goto error;
/* Check soft links */
if(H5G_DATASET!=sb_soft1.type || H5G_DATASET!=sb_soft2.type) {
H5_FAILED();
puts(" Unexpected object type, should have been a dataset");
goto error;
}
if( sb_dset.objno[0]!=sb_soft1.objno[0] ||
sb_dset.objno[1]!=sb_soft1.objno[1] ||
sb_dset.objno[0]!=sb_soft2.objno[0] ||
sb_dset.objno[1]!=sb_soft2.objno[1] ) {
H5_FAILED();
puts(" Soft link test failed. Link seems not to point to the ");
puts(" expected file location.");
goto error;
}
if (H5Gget_linkval(file, "grp2/soft2", sizeof linkval, linkval)<0) {
goto error;
}
if (strcmp(linkval, "/grp1/dataset2")) {
H5_FAILED();
puts(" Soft link test failed. Wrong link value");
goto error;
}
/* Cleanup */
if(H5Fclose(file)<0) goto error;
PASSED();
return 0;
error:
return -1;
}
/*-------------------------------------------------------------------------
* Function: main
*
* Purpose: Test links
*
* Return: Success: exit(0)
*
* Failure: exit(non-zero)
*
* Programmer: Robb Matzke
* Friday, August 14, 1998
*
* Modifications:
*
*-------------------------------------------------------------------------
*/
int
main(void)
{
int nerrors = 0;
hid_t fapl;
h5_reset();
fapl = h5_fileaccess();
/* The tests... */
nerrors += mklinks(fapl) < 0 ? 1 : 0;
nerrors += new_links(fapl) < 0 ? 1 : 0;
nerrors += cklinks(fapl) < 0 ? 1 : 0;
nerrors += ck_new_links(fapl) < 0 ? 1 : 0;
/* Results */
if (nerrors) {
printf("***** %d LINK TEST%s FAILED! *****\n",
nerrors, 1 == nerrors ? "" : "S");
exit(1);
}
printf("All link tests passed.\n");
h5_cleanup(FILENAME, fapl);
return 0;
}