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/* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *
 * Copyright by The HDF Group.                                               *
 * 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 COPYING file, which can be found at the root of the source code       *
 * distribution tree, or in https://www.hdfgroup.org/licenses.               *
 * If you do not have access to either file, you may request a copy from     *
 * help@hdfgroup.org.                                                        *
 * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */

/*
 * Purpose:     Fixed array testing functions.
 *
 */

/**********************/
/* Module Declaration */
/**********************/

#include "H5FAmodule.h" /* This source code file is part of the H5FA module */
#define H5FA_TESTING

/***********************/
/* Other Packages Used */
/***********************/

/***********/
/* Headers */
/***********/
#include "H5private.h"   /* Generic Functions			*/
#include "H5Eprivate.h"  /* Error handling		  	*/
#include "H5FApkg.h"     /* Fixed Arrays				*/
#include "H5FLprivate.h" /* Free Lists                           */
#include "H5VMprivate.h" /* Vector functions			*/

/****************/
/* Local Macros */
/****************/

/* Sanity checking value for callback contexts */
#define H5FA__TEST_BOGUS_VAL 42

/******************/
/* Local Typedefs */
/******************/

/* Callback context */
typedef struct H5FA__test_ctx_t {
    uint32_t bogus; /* Placeholder field to verify that context is working */
} H5FA__test_ctx_t;

/********************/
/* Package Typedefs */
/********************/

/********************/
/* Local Prototypes */
/********************/

/* Fixed array class callbacks */
static void  *H5FA__test_crt_context(void *udata);
static herr_t H5FA__test_dst_context(void *ctx);
static herr_t H5FA__test_fill(void *nat_blk, size_t nelmts);
static herr_t H5FA__test_encode(void *raw, const void *elmt, size_t nelmts, void *ctx);
static herr_t H5FA__test_decode(const void *raw, void *elmt, size_t nelmts, void *ctx);
static herr_t H5FA__test_debug(FILE *stream, int indent, int fwidth, hsize_t idx, const void *elmt);
static void  *H5FA__test_crt_dbg_context(H5F_t *f, haddr_t obj_addr);

/*********************/
/* Package Variables */
/*********************/

/* Fixed array testing class information */
const H5FA_class_t H5FA_CLS_TEST[1] = {{
    H5FA_CLS_TEST_ID,           /* Type of Fixed array */
    "Testing",                  /* Name of fixed array class */
    sizeof(uint64_t),           /* Size of native element */
    H5FA__test_crt_context,     /* Create context */
    H5FA__test_dst_context,     /* Destroy context */
    H5FA__test_fill,            /* Fill block of missing elements callback */
    H5FA__test_encode,          /* Element encoding callback */
    H5FA__test_decode,          /* Element decoding callback */
    H5FA__test_debug,           /* Element debugging callback */
    H5FA__test_crt_dbg_context, /* Create debugging context */
    H5FA__test_dst_context      /* Destroy debugging context */
}};

/*****************************/
/* Library Private Variables */
/*****************************/

/*******************/
/* Local Variables */
/*******************/

/* Declare a free list to manage the H5FA__test_ctx_t struct */
H5FL_DEFINE_STATIC(H5FA__test_ctx_t);

/*-------------------------------------------------------------------------
 * Function:    H5FA__test_crt_context
 *
 * Purpose:     Create context for callbacks
 *
 * Return:      Success:    non-NULL
 *              Failure:    NULL
 *
 * Programmer:  Vailin Choi
 *              Thursday, April 30, 2009
 *
 *-------------------------------------------------------------------------
 */
static void *
H5FA__test_crt_context(void H5_ATTR_UNUSED *udata)
{
    H5FA__test_ctx_t *ctx; /* Context for callbacks */
    void             *ret_value = NULL;

    FUNC_ENTER_PACKAGE

    /* Allocate new context structure */
    if (NULL == (ctx = H5FL_MALLOC(H5FA__test_ctx_t)))
        HGOTO_ERROR(H5E_FARRAY, H5E_CANTALLOC, NULL, "can't allocate fixed array client callback context")

    /* Initialize the context */
    ctx->bogus = H5FA__TEST_BOGUS_VAL;

    /* Set return value */
    ret_value = ctx;

done:
    FUNC_LEAVE_NOAPI(ret_value)
} /* end H5FA__test_crt_context() */

/*-------------------------------------------------------------------------
 * Function:    H5FA__test_dst_context
 *
 * Purpose:     Destroy context for callbacks
 *
 * Return:      SUCCEED/FAIL
 *
 * Programmer:  Vailin Choi
 *              Thursday, April 30, 2009
 *
 *-------------------------------------------------------------------------
 */
static herr_t
H5FA__test_dst_context(void *_ctx)
{
    H5FA__test_ctx_t *ctx = (H5FA__test_ctx_t *)_ctx; /* Callback context to destroy */

    FUNC_ENTER_PACKAGE_NOERR

    /* Sanity checks */
    assert(H5FA__TEST_BOGUS_VAL == ctx->bogus);

    /* Release context structure */
    ctx = H5FL_FREE(H5FA__test_ctx_t, ctx);

    FUNC_LEAVE_NOAPI(SUCCEED)
} /* end H5FA__test_dst_context() */

/*-------------------------------------------------------------------------
 * Function:    H5FA__test_fill
 *
 * Purpose:     Fill "missing elements" in block of elements
 *
 * Return:      SUCCEED/FAIL
 *
 * Programmer:  Vailin Choi
 *              Thursday, April 30, 2009
 *
 *-------------------------------------------------------------------------
 */
static herr_t
H5FA__test_fill(void *nat_blk, size_t nelmts)
{
    uint64_t fill_val = H5FA_TEST_FILL; /* Value to fill elements with */

    FUNC_ENTER_PACKAGE_NOERR

    /* Sanity checks */
    assert(nat_blk);
    assert(nelmts);

    H5VM_array_fill(nat_blk, &fill_val, sizeof(uint64_t), nelmts);

    FUNC_LEAVE_NOAPI(SUCCEED)
} /* end H5FA__test_fill() */

/*-------------------------------------------------------------------------
 * Function:    H5FA__test_encode
 *
 * Purpose:     Encode an element from "native" to "raw" form
 *
 * Return:      SUCCEED/FAIL
 *
 * Programmer:  Vailin Choi
 *              Thursday, April 30, 2009
 *
 *-------------------------------------------------------------------------
 */
static herr_t
H5FA__test_encode(void *raw, const void *_elmt, size_t nelmts, void H5_ATTR_UNUSED *_ctx)
{
#ifndef NDEBUG
    H5FA__test_ctx_t *ctx = (H5FA__test_ctx_t *)_ctx; /* Callback context to destroy */
#endif
    const uint64_t *elmt = (const uint64_t *)_elmt; /* Convenience pointer to native elements */

    FUNC_ENTER_PACKAGE_NOERR

    /* Sanity checks */
    assert(raw);
    assert(elmt);
    assert(nelmts);
    assert(H5FA__TEST_BOGUS_VAL == ctx->bogus);

    /* Encode native elements into raw elements */
    while (nelmts) {
        /* Encode element */
        /* (advances 'raw' pointer) */
        UINT64ENCODE(raw, *elmt);

        /* Advance native element pointer */
        elmt++;

        /* Decrement # of elements to encode */
        nelmts--;
    } /* end while */

    FUNC_LEAVE_NOAPI(SUCCEED)
} /* end H5FA__test_encode() */

/*-------------------------------------------------------------------------
 * Function:    H5FA__test_decode
 *
 * Purpose:     Decode an element from "raw" to "native" form
 *
 * Return:      SUCCEED/FAIL
 *
 * Programmer:  Vailin Choi
 *              Thursday, April 30, 2009
 *
 *-------------------------------------------------------------------------
 */
static herr_t
H5FA__test_decode(const void *_raw, void *_elmt, size_t nelmts, void H5_ATTR_UNUSED *_ctx)
{
#ifndef NDEBUG
    H5FA__test_ctx_t *ctx = (H5FA__test_ctx_t *)_ctx; /* Callback context to destroy */
#endif
    uint64_t      *elmt = (uint64_t *)_elmt;     /* Convenience pointer to native elements */
    const uint8_t *raw  = (const uint8_t *)_raw; /* Convenience pointer to raw elements */

    FUNC_ENTER_PACKAGE_NOERR

    /* Sanity checks */
    assert(raw);
    assert(elmt);
    assert(nelmts);
    assert(H5FA__TEST_BOGUS_VAL == ctx->bogus);

    /* Decode raw elements into native elements */
    while (nelmts) {
        /* Decode element */
        /* (advances 'raw' pointer) */
        UINT64DECODE(raw, *elmt);

        /* Advance native element pointer */
        elmt++;

        /* Decrement # of elements to decode */
        nelmts--;
    } /* end while */

    FUNC_LEAVE_NOAPI(SUCCEED)
} /* end H5FA__test_decode() */

/*-------------------------------------------------------------------------
 * Function:    H5FA__test_debug
 *
 * Purpose:     Display an element for debugging
 *
 * Return:      SUCCEED/FAIL
 *
 * Programmer:  Vailin Choi
 *              Thursday, April 30, 2009
 *
 *-------------------------------------------------------------------------
 */
static herr_t
H5FA__test_debug(FILE *stream, int indent, int fwidth, hsize_t idx, const void *elmt)
{
    char temp_str[128]; /* Temporary string, for formatting */

    FUNC_ENTER_PACKAGE_NOERR

    /* Sanity checks */
    assert(stream);
    assert(elmt);

    /* Print element */
    HDsnprintf(temp_str, sizeof(temp_str), "Element #%llu:", (unsigned long long)idx);
    fprintf(stream, "%*s%-*s %llu\n", indent, "", fwidth, temp_str,
            (unsigned long long)*(const uint64_t *)elmt);

    FUNC_LEAVE_NOAPI(SUCCEED)
} /* end H5FA__test_debug() */

/*-------------------------------------------------------------------------
 * Function:    H5FA__test_crt_dbg_context
 *
 * Purpose:     Create context for debugging callback
 *
 * Return:      Success:    non-NULL
 *              Failure:    NULL
 *
 * Programmer:  Quincey Koziol
 *              Tuesday, December 1, 2009
 *
 *-------------------------------------------------------------------------
 */
static void *
H5FA__test_crt_dbg_context(H5F_t H5_ATTR_UNUSED *f, haddr_t H5_ATTR_UNUSED obj_addr)
{
    H5FA__test_ctx_t *ctx; /* Context for callbacks */
    void             *ret_value = NULL;

    FUNC_ENTER_PACKAGE

    /* Allocate new context structure */
    if (NULL == (ctx = H5FL_MALLOC(H5FA__test_ctx_t)))
        HGOTO_ERROR(H5E_FARRAY, H5E_CANTALLOC, NULL, "can't allocate fixed array client callback context")

    /* Initialize the context */
    ctx->bogus = H5FA__TEST_BOGUS_VAL;

    /* Set return value */
    ret_value = ctx;

done:
    FUNC_LEAVE_NOAPI(ret_value)
} /* end H5FA__test_crt_dbg_context() */

/*-------------------------------------------------------------------------
 * Function:    H5FA__get_cparam_test
 *
 * Purpose:     Retrieve the parameters used to create the fixed array
 *
 * Return:      SUCCEED/FAIL
 *
 * Programmer:  Vailin Choi
 *              Thursday, April 30, 2009
 *
 *-------------------------------------------------------------------------
 */
herr_t
H5FA__get_cparam_test(const H5FA_t *fa, H5FA_create_t *cparam)
{
    FUNC_ENTER_PACKAGE_NOERR

    /* Check arguments. */
    assert(fa);
    assert(cparam);

    /* Get fixed array creation parameters */
    cparam->raw_elmt_size = fa->hdr->cparam.raw_elmt_size;
    cparam->nelmts        = fa->hdr->cparam.nelmts;

    FUNC_LEAVE_NOAPI(SUCCEED)
} /* end H5FA__get_cparam_test() */

/*-------------------------------------------------------------------------
 * Function:    H5FA__cmp_cparam_test
 *
 * Purpose:     Compare the parameters used to create the fixed array
 *
 * Return:      An integer value like strcmp
 *
 * Programmer:  Vailin Choi
 *              Thursday, April 30, 2009
 *
 *-------------------------------------------------------------------------
 */
int
H5FA__cmp_cparam_test(const H5FA_create_t *cparam1, const H5FA_create_t *cparam2)
{
    int ret_value = 0;

    FUNC_ENTER_PACKAGE_NOERR

    /* Check arguments. */
    assert(cparam1);
    assert(cparam2);

    /* Compare creation parameters for array */
    if (cparam1->raw_elmt_size < cparam2->raw_elmt_size)
        ret_value = -1;
    else if (cparam1->raw_elmt_size > cparam2->raw_elmt_size)
        ret_value = 1;

    FUNC_LEAVE_NOAPI(ret_value)

} /* end H5FA__cmp_cparam_test() */