[svn-r22219] Description:

    Merge "file image" changes from feature branch back to trunk.

Tested on:
    Mac OSX/64 10.7.3 (amazon) w/debug
    (h5committest upcoming)

1 files changed, 395 insertions, 0 deletions

diff --git a/testpar/t_file_image.c b/testpar/t_file_image.c
new file mode 100644
index 0000000..d265957
--- /dev/null
+++ b/testpar/t_file_image.c
@@ -0,0 +1,395 @@
+/* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *
+ * Copyright by The HDF Group.                                               *
+ * 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://hdfgroup.org/HDF5/doc/Copyright.html.  If you do not have          *
+ * access to either file, you may request a copy from help@hdfgroup.org.     *
+ * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */
+
+/*
+ * Parallel tests for file image operations
+ */
+
+#include "testphdf5.h"
+
+/* file_image_daisy_chain_test
+ *
+ * Process zero:
+ *
+ *	1) Creates a core file with an integer vector data set of 
+ * 	   length n (= mpi_size), 
+ *
+ *	2) Initializes the vector to zero in * location 0, and to -1 
+ *         everywhere else.  
+ *
+ *	3) Flushes the core file, and gets an image of it.  Closes
+ *	   the core file.
+ *
+ *	4) Sends the image to process 1.
+ *
+ *	5) Awaits receipt on a file image from process n-1.
+ *
+ *	6) opens the image received from process n-1, verifies that
+ *	   it contains a vector of length equal to mpi_size, and 
+ *	   that the vector contains (0, 1, 2, ... n-1)
+ *
+ *	7) closes the core file and exits.
+ *
+ * Process i (0 < i < n)
+ *
+ *	1) Await receipt of file image from process (i - 1).
+ *
+ *	2) Open the image with the core file driver, verify that i
+ *	   contains a vector v of length, and that v[j] = j for 
+ *	   0 <= j < i, and that v[j] == -1 for i <= j < n
+ *
+ *	3) Set v[i] = i in the core file.
+ *
+ *	4) Flush the core file and send it to process (i + 1) % n.
+ *
+ *	5) close the core file and exit.
+ *
+ * Test fails on a hang (if an image is not received), or on invalid data.
+ *
+ *                                               JRM -- 11/28/11
+ */
+void
+file_image_daisy_chain_test(void)
+{
+    char file_name[1024] = "\0";
+    int mpi_size, mpi_rank;
+    int mpi_result;
+    int i;
+    int space_ndims;
+    MPI_Status rcvstat;
+    int * vector_ptr = NULL;
+    hid_t fapl_id = -1;
+    hid_t file_id;			/* file IDs */
+    hid_t dset_id = -1;
+    hid_t dset_type_id = -1;
+    hid_t space_id = -1;
+    herr_t err;
+    hsize_t dims[1];
+    void * image_ptr = NULL;
+    ssize_t bytes_read;
+    ssize_t image_len;
+    hbool_t vector_ok = TRUE;
+    htri_t tri_result;
+
+
+    /* set up MPI parameters */
+    MPI_Comm_size(MPI_COMM_WORLD, &mpi_size);
+    MPI_Comm_rank(MPI_COMM_WORLD, &mpi_rank);
+
+    /* setup file name */
+    HDsnprintf(file_name, 1024, "file_image_daisy_chain_test_%05d.h5", 
+               (int)mpi_rank);
+
+    if(mpi_rank == 0) {
+ 
+	/* 1) Creates a core file with an integer vector data set 
+         *    of length mpi_size, 
+         */
+	fapl_id = H5Pcreate(H5P_FILE_ACCESS);
+        VRFY((fapl_id >= 0), "creating fapl");
+
+	err = H5Pset_fapl_core(fapl_id, (size_t)(64 *1024), FALSE);
+        VRFY((err >= 0), "setting core file driver in fapl.");
+
+        file_id = H5Fcreate(file_name, 0, H5P_DEFAULT, fapl_id);
+        VRFY((file_id >= 0), "created core file");
+
+        dims[0] = (hsize_t)mpi_size;
+	space_id = H5Screate_simple(1, dims, dims);
+        VRFY((space_id >= 0), "created data space");
+
+        dset_id = H5Dcreate2(file_id, "v", H5T_NATIVE_INT, space_id,
+                             H5P_DEFAULT, H5P_DEFAULT, H5P_DEFAULT);
+        VRFY((dset_id >= 0), "created data set");
+ 
+
+	/* 2) Initialize the vector to zero in location 0, and 
+         *    to -1 everywhere else.  
+         */
+
+	vector_ptr = (int *)HDmalloc((size_t)(mpi_size) * sizeof(int));
+        VRFY((vector_ptr != NULL), "allocated in memory representation of vector");
+
+        vector_ptr[0] = 0;
+        for(i = 1; i < mpi_size; i++)
+            vector_ptr[i] = -1;
+
+	err = H5Dwrite(dset_id, H5T_NATIVE_INT, H5S_ALL, H5S_ALL,
+                       H5P_DEFAULT, (void *)vector_ptr);
+        VRFY((err >= 0), "wrote initial data to vector.");
+
+        HDfree(vector_ptr);
+        vector_ptr = NULL;
+
+ 
+        /* 3) Flush the core file, and get an image of it.  Close
+         *    the core file.
+         */
+	err = H5Fflush(file_id, H5F_SCOPE_GLOBAL);
+        VRFY((err >= 0), "flushed core file.");
+
+        image_len = H5Fget_file_image(file_id, NULL, (size_t)0);
+        VRFY((image_len > 0), "got image file size");
+
+        image_ptr = (void *)HDmalloc((size_t)image_len);
+        VRFY(image_ptr != NULL, "allocated file image buffer.");
+
+        bytes_read = H5Fget_file_image(file_id, image_ptr, (size_t)image_len);
+        VRFY(bytes_read == image_len, "wrote file into image buffer");
+
+        err = H5Sclose(space_id);
+	VRFY((err >= 0), "closed data space.");
+
+	err = H5Dclose(dset_id);
+	VRFY((err >= 0), "closed data set.");
+
+	err = H5Fclose(file_id);
+	VRFY((err >= 0), "closed core file(1).");
+
+	err = H5Pclose(fapl_id);
+	VRFY((err >= 0), "closed fapl(1).");
+
+ 
+        /* 4) Send the image to process 1. */
+
+        mpi_result = MPI_Ssend((void *)(&image_len), (int)sizeof(ssize_t), 
+			       MPI_BYTE, 1, 0, MPI_COMM_WORLD);
+	VRFY((mpi_result == MPI_SUCCESS), "sent image size to process 1");
+
+        mpi_result = MPI_Ssend((void *)image_ptr, (int)image_len, 
+			       MPI_BYTE, 1, 0, MPI_COMM_WORLD);
+	VRFY((mpi_result == MPI_SUCCESS), "sent image to process 1");
+
+        HDfree(image_ptr);
+        image_ptr = NULL;
+        image_len = 0;
+
+
+	/* 5) Await receipt on a file image from process n-1. */
+
+	mpi_result = MPI_Recv((void *)(&image_len), (int)sizeof(ssize_t),
+                              MPI_BYTE, mpi_size - 1, 0, MPI_COMM_WORLD,
+                              &rcvstat);
+	VRFY((mpi_result == MPI_SUCCESS), "received image len from process n-1");
+
+        image_ptr = (void *)HDmalloc((size_t)image_len);
+        VRFY(image_ptr != NULL, "allocated file image receive buffer.");
+
+	mpi_result = MPI_Recv((void *)image_ptr, (int)image_len,
+                              MPI_BYTE, mpi_size - 1, 0, MPI_COMM_WORLD,
+                              &rcvstat);
+	VRFY((mpi_result == MPI_SUCCESS), \
+             "received file image from process n-1");
+ 
+	/* 6) open the image received from process n-1, verify that
+         *    it contains a vector of length equal to mpi_size, and 
+	 *    that the vector contains (0, 1, 2, ... n-1).
+         */
+	fapl_id = H5Pcreate(H5P_FILE_ACCESS);
+        VRFY((fapl_id >= 0), "creating fapl");
+
+	err = H5Pset_fapl_core(fapl_id, (size_t)(64 *1024), FALSE);
+        VRFY((err >= 0), "setting core file driver in fapl.");
+
+	err = H5Pset_file_image(fapl_id, image_ptr, (size_t)image_len);
+        VRFY((err >= 0), "set file image in fapl.");
+
+        file_id = H5Fopen(file_name, H5F_ACC_RDWR, fapl_id);
+        VRFY((file_id >= 0), "opened received file image file");
+
+	dset_id = H5Dopen1(file_id, "v");
+        VRFY((dset_id >= 0), "opened data set");
+
+	dset_type_id = H5Dget_type(dset_id);
+        VRFY((dset_type_id >= 0), "obtained data set type");
+
+	tri_result = H5Tequal(dset_type_id, H5T_NATIVE_INT);
+        VRFY((tri_result == TRUE), "verified data set type");
+
+	space_id = H5Dget_space(dset_id);
+        VRFY((space_id >= 0), "opened data space");
+
+	space_ndims = H5Sget_simple_extent_ndims(space_id);
+	VRFY((space_ndims == 1), "verified data space num dims(1)");
+
+	space_ndims = H5Sget_simple_extent_dims(space_id, dims, NULL);
+	VRFY((space_ndims == 1), "verified data space num dims(2)");
+	VRFY((dims[0] == (hsize_t)mpi_size), "verified data space dims");
+
+	vector_ptr = (int *)HDmalloc((size_t)(mpi_size) * sizeof(int));
+        VRFY((vector_ptr != NULL), "allocated in memory rep of vector");
+
+	err = H5Dread(dset_id, H5T_NATIVE_INT, H5S_ALL, H5S_ALL, 
+                      H5P_DEFAULT, (void *)vector_ptr);
+        VRFY((err >= 0), "read received vector.");
+
+	vector_ok = TRUE;
+	for(i = 0; i < mpi_size; i++)
+            if(vector_ptr[i] != i)
+                vector_ok = FALSE;
+        VRFY((vector_ok), "verified received vector.");
+ 
+	/* 7) closes the core file and exit. */
+
+        err = H5Sclose(space_id);
+	VRFY((err >= 0), "closed data space.");
+
+	err = H5Dclose(dset_id);
+	VRFY((err >= 0), "closed data set.");
+
+	err = H5Fclose(file_id);
+	VRFY((err >= 0), "closed core file(1).");
+
+	err = H5Pclose(fapl_id);
+	VRFY((err >= 0), "closed fapl(1).");
+
+        HDfree(image_ptr);
+        image_ptr = NULL;
+        image_len = 0;
+    } else {
+        /* 1) Await receipt of file image from process (i - 1). */
+
+	mpi_result = MPI_Recv((void *)(&image_len), (int)sizeof(ssize_t),
+                              MPI_BYTE, mpi_rank - 1, 0, MPI_COMM_WORLD,
+                              &rcvstat);
+	VRFY((mpi_result == MPI_SUCCESS), \
+             "received image size from process mpi_rank-1");
+
+        image_ptr = (void *)HDmalloc((size_t)image_len);
+        VRFY(image_ptr != NULL, "allocated file image receive buffer.");
+
+	mpi_result = MPI_Recv((void *)image_ptr, (int)image_len,
+                              MPI_BYTE, mpi_rank - 1, 0, MPI_COMM_WORLD,
+                              &rcvstat);
+	VRFY((mpi_result == MPI_SUCCESS), \
+             "received file image from process mpi_rank-1");
+ 
+	/* 2) Open the image with the core file driver, verify that it
+	 *    contains a vector v of length, and that v[j] = j for 
+	 *    0 <= j < i, and that v[j] == -1 for i <= j < n
+	 */
+	fapl_id = H5Pcreate(H5P_FILE_ACCESS);
+        VRFY((fapl_id >= 0), "creating fapl");
+
+	err = H5Pset_fapl_core(fapl_id, (size_t)(64 * 1024), FALSE);
+        VRFY((err >= 0), "setting core file driver in fapl.");
+
+	err = H5Pset_file_image(fapl_id, image_ptr, (size_t)image_len);
+        VRFY((err >= 0), "set file image in fapl.");
+
+        file_id = H5Fopen(file_name, H5F_ACC_RDWR, fapl_id);
+	H5Eprint1(stderr);
+        VRFY((file_id >= 0), "opened received file image file");
+
+	dset_id = H5Dopen1(file_id, "v");
+        VRFY((dset_id >= 0), "opened data set");
+
+	dset_type_id = H5Dget_type(dset_id);
+        VRFY((dset_type_id >= 0), "obtained data set type");
+
+	tri_result = H5Tequal(dset_type_id, H5T_NATIVE_INT);
+        VRFY((tri_result == TRUE), "verified data set type");
+
+	space_id = H5Dget_space(dset_id);
+        VRFY((space_id >= 0), "opened data space");
+
+	space_ndims = H5Sget_simple_extent_ndims(space_id);
+	VRFY((space_ndims == 1), "verified data space num dims(1)");
+
+	space_ndims = H5Sget_simple_extent_dims(space_id, dims, NULL);
+	VRFY((space_ndims == 1), "verified data space num dims(2)");
+	VRFY((dims[0] == (hsize_t)mpi_size), "verified data space dims");
+
+	vector_ptr = (int *)HDmalloc((size_t)(mpi_size) * sizeof(int));
+        VRFY((vector_ptr != NULL), "allocated in memory rep of vector");
+
+	err = H5Dread(dset_id, H5T_NATIVE_INT, H5S_ALL, H5S_ALL, 
+                       H5P_DEFAULT, (void *)vector_ptr);
+        VRFY((err >= 0), "read received vector.");
+
+	vector_ok = TRUE;
+	for(i = 0; i < mpi_size; i++){
+            if(i < mpi_rank) {
+                if(vector_ptr[i] != i)
+                    vector_ok = FALSE;
+	    } else {
+                if(vector_ptr[i] != -1)
+                    vector_ok = FALSE;
+	    }
+        }
+        VRFY((vector_ok), "verified received vector.");
+ 
+
+	/* 3) Set v[i] = i in the core file. */
+
+	vector_ptr[mpi_rank] = mpi_rank;
+
+	err = H5Dwrite(dset_id, H5T_NATIVE_INT, H5S_ALL, H5S_ALL,
+                       H5P_DEFAULT, (void *)vector_ptr);
+        VRFY((err >= 0), "wrote modified data to vector.");
+
+        HDfree(vector_ptr);
+        vector_ptr = NULL;
+
+ 
+	/* 4) Flush the core file and send it to process (mpi_rank + 1) % n. */
+
+	err = H5Fflush(file_id, H5F_SCOPE_GLOBAL);
+        VRFY((err >= 0), "flushed core file.");
+
+        image_len = H5Fget_file_image(file_id, NULL, (size_t)0);
+        VRFY((image_len > 0), "got (possibly modified) image file len");
+
+        image_ptr = (void *)HDrealloc((void *)image_ptr, (size_t)image_len);
+        VRFY(image_ptr != NULL, "re-allocated file image buffer.");
+
+        bytes_read = H5Fget_file_image(file_id, image_ptr, (size_t)image_len);
+        VRFY(bytes_read == image_len, "wrote file into image buffer");
+
+        mpi_result = MPI_Ssend((void *)(&image_len), (int)sizeof(ssize_t), 
+			       MPI_BYTE, (mpi_rank + 1) % mpi_size, 0, 
+                               MPI_COMM_WORLD);
+	VRFY((mpi_result == MPI_SUCCESS), \
+             "sent image size to process (mpi_rank + 1) % mpi_size");
+
+        mpi_result = MPI_Ssend((void *)image_ptr, (int)image_len, 
+			       MPI_BYTE, (mpi_rank + 1) % mpi_size, 0, 
+                               MPI_COMM_WORLD);
+	VRFY((mpi_result == MPI_SUCCESS), \
+              "sent image to process (mpi_rank + 1) % mpi_size");
+
+        HDfree(image_ptr);
+        image_ptr = NULL;
+        image_len = 0;
+ 
+	/* 5) close the core file and exit. */
+
+        err = H5Sclose(space_id);
+	VRFY((err >= 0), "closed data space.");
+
+	err = H5Dclose(dset_id);
+	VRFY((err >= 0), "closed data set.");
+
+	err = H5Fclose(file_id);
+	VRFY((err >= 0), "closed core file(1).");
+
+	err = H5Pclose(fapl_id);
+	VRFY((err >= 0), "closed fapl(1).");
+    }
+
+    return;
+
+} /* file_image_daisy_chain_test() */
+