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-rw-r--r--src/vppinfra/test_vec.c1159
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diff --git a/src/vppinfra/test_vec.c b/src/vppinfra/test_vec.c
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+/*
+ * Copyright (c) 2015 Cisco and/or its affiliates.
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at:
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+/*
+ Copyright (c) 2001, 2002, 2003 Eliot Dresselhaus
+ Written by Fred Delley <fdelley@cisco.com> .
+
+ Permission is hereby granted, free of charge, to any person obtaining
+ a copy of this software and associated documentation files (the
+ "Software"), to deal in the Software without restriction, including
+ without limitation the rights to use, copy, modify, merge, publish,
+ distribute, sublicense, and/or sell copies of the Software, and to
+ permit persons to whom the Software is furnished to do so, subject to
+ the following conditions:
+
+ The above copyright notice and this permission notice shall be
+ included in all copies or substantial portions of the Software.
+
+ THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
+ EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+ MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
+ NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
+ LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
+ OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
+ WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+*/
+
+#ifdef CLIB_LINUX_KERNEL
+#include <linux/unistd.h>
+#endif
+
+#ifdef CLIB_UNIX
+#include <unistd.h>
+#include <stdlib.h>
+#include <stdio.h>
+#endif
+
+#include <vppinfra/clib.h>
+#include <vppinfra/mheap.h>
+#include <vppinfra/format.h>
+#include <vppinfra/error.h>
+#include <vppinfra/random.h>
+#include <vppinfra/time.h>
+
+#include "test_vec.h"
+
+static int verbose;
+#define if_verbose(format,args...) \
+ if (verbose) { clib_warning(format, ## args); }
+
+#define MAX_CHANGE 100
+
+
+typedef enum
+{
+ /* Values have to be sequential and start with 0. */
+ OP_IS_VEC_RESIZE = 0,
+ OP_IS_VEC_ADD1,
+ OP_IS_VEC_ADD2,
+ OP_IS_VEC_ADD,
+ OP_IS_VEC_INSERT,
+ OP_IS_VEC_INSERT_ELTS,
+ OP_IS_VEC_DELETE,
+ OP_IS_VEC_DUP,
+ OP_IS_VEC_IS_EQUAL,
+ OP_IS_VEC_ZERO,
+ OP_IS_VEC_SET,
+ OP_IS_VEC_VALIDATE,
+ OP_IS_VEC_FREE,
+ OP_IS_VEC_INIT,
+ OP_IS_VEC_CLONE,
+ OP_IS_VEC_APPEND,
+ OP_IS_VEC_PREPEND,
+ /* Operations on vectors with custom headers. */
+ OP_IS_VEC_INIT_H,
+ OP_IS_VEC_RESIZE_H,
+ OP_IS_VEC_FREE_H,
+ OP_MAX,
+} op_t;
+
+#define FIRST_VEC_OP OP_IS_VEC_RESIZE
+#define LAST_VEC_OP OP_IS_VEC_PREPEND
+#define FIRST_VEC_HDR_OP OP_IS_VEC_INIT_H
+#define LAST_VEC_HDR_OP OP_IS_VEC_FREE_H
+
+uword g_prob_ratio[] = {
+ [OP_IS_VEC_RESIZE] = 5,
+ [OP_IS_VEC_ADD1] = 5,
+ [OP_IS_VEC_ADD2] = 5,
+ [OP_IS_VEC_ADD] = 5,
+ [OP_IS_VEC_INSERT] = 5,
+ [OP_IS_VEC_INSERT_ELTS] = 5,
+ [OP_IS_VEC_DELETE] = 30,
+ [OP_IS_VEC_DUP] = 5,
+ [OP_IS_VEC_IS_EQUAL] = 5,
+ [OP_IS_VEC_ZERO] = 2,
+ [OP_IS_VEC_SET] = 3,
+ [OP_IS_VEC_VALIDATE] = 5,
+ [OP_IS_VEC_FREE] = 5,
+ [OP_IS_VEC_INIT] = 5,
+ [OP_IS_VEC_CLONE] = 5,
+ [OP_IS_VEC_APPEND] = 5,
+ [OP_IS_VEC_PREPEND] = 5,
+ /* Operations on vectors with custom headers. */
+ [OP_IS_VEC_INIT_H] = 5,
+ [OP_IS_VEC_RESIZE_H] = 5,
+ [OP_IS_VEC_FREE_H] = 5,
+};
+
+op_t *g_prob;
+op_t *g_prob_wh;
+
+uword g_call_stats[OP_MAX];
+
+
+/* A structure for both vector headers and vector elements might be useful to
+ uncover potential alignement issues. */
+
+typedef struct
+{
+ u8 field1[4];
+ CLIB_PACKED (u32 field2);
+} hdr_t;
+
+typedef struct
+{
+ u8 field1[3];
+ CLIB_PACKED (u32 field2);
+} elt_t;
+
+#ifdef CLIB_UNIX
+u32 g_seed = 0xdeadbabe;
+uword g_verbose = 1;
+#endif
+
+op_t *g_op_prob;
+uword g_set_verbose_at = ~0;
+uword g_dump_period = ~0;
+
+
+static u8 *
+format_vec_op_type (u8 * s, va_list * args)
+{
+ op_t op = va_arg (*args, int);
+
+ switch (op)
+ {
+#define _(n) \
+ case OP_IS_##n: \
+ s = format (s, "OP_IS_" #n); \
+ break;
+
+ _(VEC_RESIZE);
+ _(VEC_ADD1);
+ _(VEC_ADD2);
+ _(VEC_ADD);
+ _(VEC_INSERT);
+ _(VEC_INSERT_ELTS);
+ _(VEC_DELETE);
+ _(VEC_DUP);
+ _(VEC_IS_EQUAL);
+ _(VEC_ZERO);
+ _(VEC_SET);
+ _(VEC_VALIDATE);
+ _(VEC_FREE);
+ _(VEC_INIT);
+ _(VEC_CLONE);
+ _(VEC_APPEND);
+ _(VEC_PREPEND);
+ _(VEC_INIT_H);
+ _(VEC_RESIZE_H);
+ _(VEC_FREE_H);
+
+ default:
+ s = format (s, "Unknown vec op (%d)", op);
+ break;
+ }
+
+#undef _
+
+ return s;
+}
+
+static void
+dump_call_stats (uword * stats)
+{
+ uword i;
+
+ fformat (stdout, "Call Stats\n----------\n");
+
+ for (i = 0; i < OP_MAX; i++)
+ fformat (stdout, "%-8d %U\n", stats[i], format_vec_op_type, i);
+}
+
+
+/* XXX - Purposely low value for debugging the validator. Will be set it to a
+ more sensible value later. */
+#define MAX_VEC_LEN 10
+
+#define create_random_vec_wh(elt_type, len, hdr_bytes, seed) \
+({ \
+ elt_type * _v(v) = NULL; \
+ uword _v(l) = (len); \
+ uword _v(h) = (hdr_bytes); \
+ u8 * _v(hdr); \
+ \
+ if (_v(l) == 0) \
+ goto __done__; \
+ \
+ /* ~0 means select random length between 0 and MAX_VEC_LEN. */ \
+ if (_v(l) == ~0) \
+ _v(l) = bounded_random_u32 (&(seed), 0, MAX_VEC_LEN); \
+ \
+ _v(v) = _vec_resize (NULL, _v(l), _v(l) * sizeof (elt_type), _v(h), 0); \
+ fill_with_random_data (_v(v), vec_bytes (_v(v)), (seed)); \
+ \
+ /* Fill header with random data as well. */ \
+ if (_v(h) > 0) \
+ { \
+ _v(hdr) = vec_header (_v(v), _v(h)); \
+ fill_with_random_data (_v(hdr), _v(h), (seed)); \
+ } \
+ \
+__done__: \
+ _v(v); \
+})
+
+#define create_random_vec(elt_type, len, seed) \
+create_random_vec_wh (elt_type, len, 0, seed)
+
+#define compute_vec_hash(hash, vec) \
+({ \
+ u8 * _v(v) = (u8 *) (vec); \
+ uword _v(n) = vec_len (vec) * sizeof ((vec)[0]); \
+ u8 _v(hh) = (u8) (hash); \
+ \
+ compute_mem_hash (_v(hh), _v(v), _v(n)); \
+})
+
+static elt_t *
+validate_vec_free (elt_t * vec)
+{
+ vec_free (vec);
+ ASSERT (vec == NULL);
+ return vec;
+}
+
+static elt_t *
+validate_vec_free_h (elt_t * vec, uword hdr_bytes)
+{
+ vec_free_h (vec, hdr_bytes);
+ ASSERT (vec == NULL);
+ return vec;
+}
+
+static void
+validate_vec_hdr (elt_t * vec, uword hdr_bytes)
+{
+ u8 *hdr;
+ u8 *hdr_end;
+ vec_header_t *vh;
+
+ if (!vec)
+ return;
+
+ vh = _vec_find (vec);
+ hdr = vec_header (vec, hdr_bytes);
+ hdr_end = vec_header_end (hdr, hdr_bytes);
+
+ ASSERT (hdr_end == (u8 *) vec);
+ ASSERT ((u8 *) vh - (u8 *) hdr >= hdr_bytes);
+}
+
+static void
+validate_vec_len (elt_t * vec)
+{
+ u8 *ptr;
+ u8 *end;
+ uword len;
+ uword bytes;
+ uword i;
+ elt_t *elt;
+
+ if (!vec)
+ return;
+
+ ptr = (u8 *) vec;
+ end = (u8 *) vec_end (vec);
+ len = vec_len (vec);
+ bytes = sizeof (vec[0]) * len;
+
+ ASSERT (bytes == vec_bytes (vec));
+ ASSERT ((ptr + bytes) == end);
+
+ i = 0;
+
+ /* XXX - TODO: confirm that auto-incrementing in vec_is_member() would not
+ have the expected result. */
+ while (vec_is_member (vec, (__typeof__ (vec[0]) *) ptr))
+ {
+ ptr++;
+ i++;
+ }
+
+ ASSERT (ptr == end);
+ ASSERT (i == bytes);
+
+ i = 0;
+
+ vec_foreach (elt, vec) i++;
+
+ ASSERT (i == len);
+}
+
+static void
+validate_vec (elt_t * vec, uword hdr_bytes)
+{
+ validate_vec_hdr (vec, hdr_bytes);
+ validate_vec_len (vec);
+
+ if (!vec || vec_len (vec) == 0)
+ {
+ VERBOSE3 ("Vector at %p has zero elements.\n\n", vec);
+ }
+ else
+ {
+ if (hdr_bytes > 0)
+ VERBOSE3 ("Header: %U\n",
+ format_hex_bytes, vec_header (vec, sizeof (vec[0])),
+ sizeof (vec[0]));
+
+ VERBOSE3 ("%U\n\n",
+ format_hex_bytes, vec, vec_len (vec) * sizeof (vec[0]));
+ }
+}
+
+static elt_t *
+validate_vec_resize (elt_t * vec, uword num_elts)
+{
+ uword len1 = vec_len (vec);
+ uword len2;
+ u8 hash = compute_vec_hash (0, vec);
+
+ vec_resize (vec, num_elts);
+ len2 = vec_len (vec);
+
+ ASSERT (len2 == len1 + num_elts);
+ ASSERT (compute_vec_hash (hash, vec) == 0);
+ validate_vec (vec, 0);
+ return vec;
+}
+
+static elt_t *
+validate_vec_resize_h (elt_t * vec, uword num_elts, uword hdr_bytes)
+{
+ uword len1, len2;
+ u8 *end1, *end2;
+ u8 *hdr = NULL;
+ u8 hash, hdr_hash;
+
+ len1 = vec_len (vec);
+
+ if (vec)
+ hdr = vec_header (vec, hdr_bytes);
+
+ hash = compute_vec_hash (0, vec);
+ hdr_hash = compute_mem_hash (0, hdr, hdr_bytes);
+
+ vec_resize_ha (vec, num_elts, hdr_bytes, 0);
+ len2 = vec_len (vec);
+
+ ASSERT (len2 == len1 + num_elts);
+
+ end1 = (u8 *) (vec + len1);
+ end2 = (u8 *) vec_end (vec);
+
+ while (end1 != end2)
+ {
+ ASSERT (*end1 == 0);
+ end1++;
+ }
+
+ if (vec)
+ hdr = vec_header (vec, hdr_bytes);
+
+ ASSERT (compute_vec_hash (hash, vec) == 0);
+ ASSERT (compute_mem_hash (hdr_hash, hdr, hdr_bytes) == 0);
+ validate_vec (vec, 1);
+ return vec;
+}
+
+static elt_t *
+generic_validate_vec_add (elt_t * vec, uword num_elts, uword is_add2)
+{
+ uword len1 = vec_len (vec);
+ uword len2;
+ u8 hash = compute_vec_hash (0, vec);
+ elt_t *new;
+
+ if (is_add2)
+ {
+ vec_add2 (vec, new, num_elts);
+ }
+ else
+ {
+ new = create_random_vec (elt_t, num_elts, g_seed);
+
+ VERBOSE3 ("%U\n", format_hex_bytes, new,
+ vec_len (new) * sizeof (new[0]));
+
+ /* Add the hash value of the new elements to that of the old vector. */
+ hash = compute_vec_hash (hash, new);
+
+ if (num_elts == 1)
+ vec_add1 (vec, new[0]);
+ else if (num_elts > 1)
+ vec_add (vec, new, num_elts);
+
+ vec_free (new);
+ }
+
+ len2 = vec_len (vec);
+ ASSERT (len2 == len1 + num_elts);
+
+ ASSERT (compute_vec_hash (hash, vec) == 0);
+ validate_vec (vec, 0);
+ return vec;
+}
+
+static elt_t *
+validate_vec_add1 (elt_t * vec)
+{
+ return generic_validate_vec_add (vec, 1, 0);
+}
+
+static elt_t *
+validate_vec_add2 (elt_t * vec, uword num_elts)
+{
+ return generic_validate_vec_add (vec, num_elts, 1);
+}
+
+static elt_t *
+validate_vec_add (elt_t * vec, uword num_elts)
+{
+ return generic_validate_vec_add (vec, num_elts, 0);
+}
+
+static elt_t *
+validate_vec_insert (elt_t * vec, uword num_elts, uword start_elt)
+{
+ uword len1 = vec_len (vec);
+ uword len2;
+ u8 hash;
+
+ /* vec_insert() would not handle it properly. */
+ if (start_elt > len1 || num_elts == 0)
+ return vec;
+
+ hash = compute_vec_hash (0, vec);
+ vec_insert (vec, num_elts, start_elt);
+ len2 = vec_len (vec);
+
+ ASSERT (len2 == len1 + num_elts);
+ ASSERT (compute_vec_hash (hash, vec) == 0);
+ validate_vec (vec, 0);
+ return vec;
+}
+
+static elt_t *
+validate_vec_insert_elts (elt_t * vec, uword num_elts, uword start_elt)
+{
+ uword len1 = vec_len (vec);
+ uword len2;
+ elt_t *new;
+ u8 hash;
+
+ /* vec_insert_elts() would not handle it properly. */
+ if (start_elt > len1 || num_elts == 0)
+ return vec;
+
+ new = create_random_vec (elt_t, num_elts, g_seed);
+
+ VERBOSE3 ("%U\n", format_hex_bytes, new, vec_len (new) * sizeof (new[0]));
+
+ /* Add the hash value of the new elements to that of the old vector. */
+ hash = compute_vec_hash (0, vec);
+ hash = compute_vec_hash (hash, new);
+
+ vec_insert_elts (vec, new, num_elts, start_elt);
+ len2 = vec_len (vec);
+
+ vec_free (new);
+
+ ASSERT (len2 == len1 + num_elts);
+ ASSERT (compute_vec_hash (hash, vec) == 0);
+ validate_vec (vec, 0);
+ return vec;
+}
+
+static elt_t *
+validate_vec_delete (elt_t * vec, uword num_elts, uword start_elt)
+{
+ uword len1 = vec_len (vec);
+ uword len2;
+ u8 *start;
+ u8 hash;
+ u8 hash_del;
+
+ /* vec_delete() would not handle it properly. */
+ if (start_elt + num_elts > len1)
+ return vec;
+
+ start = (u8 *) vec + (start_elt * sizeof (vec[0]));
+
+ hash = compute_vec_hash (0, vec);
+ hash_del = compute_mem_hash (0, start, num_elts * sizeof (vec[0]));
+ hash ^= hash_del;
+
+ vec_delete (vec, num_elts, start_elt);
+ len2 = vec_len (vec);
+
+ ASSERT (len2 == len1 - num_elts);
+ ASSERT (compute_vec_hash (hash, vec) == 0);
+ validate_vec (vec, 0);
+ return vec;
+}
+
+static elt_t *
+validate_vec_dup (elt_t * vec)
+{
+ elt_t *new;
+ u8 hash;
+
+ hash = compute_vec_hash (0, vec);
+ new = vec_dup (vec);
+
+ ASSERT (compute_vec_hash (hash, new) == 0);
+
+ validate_vec (new, 0);
+ return new;
+}
+
+static elt_t *
+validate_vec_zero (elt_t * vec)
+{
+ u8 *ptr;
+ u8 *end;
+
+ vec_zero (vec);
+
+ ptr = (u8 *) vec;
+ end = (u8 *) (vec + vec_len (vec));
+
+ while (ptr != end)
+ {
+ ASSERT (ptr < (u8 *) vec_end (vec));
+ ASSERT (ptr[0] == 0);
+ ptr++;
+ }
+
+ validate_vec (vec, 0);
+ return vec;
+}
+
+static void
+validate_vec_is_equal (elt_t * vec)
+{
+ elt_t *new = NULL;
+
+ if (vec_len (vec) <= 0)
+ return;
+
+ new = vec_dup (vec);
+ ASSERT (vec_is_equal (new, vec));
+ vec_free (new);
+}
+
+static elt_t *
+validate_vec_set (elt_t * vec)
+{
+ uword i;
+ uword len = vec_len (vec);
+ elt_t *new;
+
+ if (!vec)
+ return NULL;
+
+ new = create_random_vec (elt_t, 1, g_seed);
+
+ VERBOSE3 ("%U\n", format_hex_bytes, new, vec_len (new) * sizeof (new[0]));
+
+ vec_set (vec, new[0]);
+
+ for (i = 0; i < len; i++)
+ ASSERT (memcmp (&vec[i], &new[0], sizeof (vec[0])) == 0);
+
+ vec_free (new);
+ validate_vec (vec, 0);
+ return vec;
+}
+
+static elt_t *
+validate_vec_validate (elt_t * vec, uword index)
+{
+ uword len = vec_len (vec);
+ word num_new = index - len + 1;
+ u8 *ptr;
+ u8 *end;
+ u8 hash = compute_vec_hash (0, vec);
+
+ if (num_new < 0)
+ num_new = 0;
+
+ vec_validate (vec, index);
+
+ /* Old len but new vec pointer! */
+ ptr = (u8 *) (vec + len);
+ end = (u8 *) (vec + len + num_new);
+
+ ASSERT (len + num_new == vec_len (vec));
+ ASSERT (compute_vec_hash (hash, vec) == 0);
+
+ while (ptr != end)
+ {
+ ASSERT (ptr < (u8 *) vec_end (vec));
+ ASSERT (ptr[0] == 0);
+ ptr++;
+ }
+
+ validate_vec (vec, 0);
+ return vec;
+}
+
+static elt_t *
+validate_vec_init (uword num_elts)
+{
+ u8 *ptr;
+ u8 *end;
+ uword len;
+ elt_t *new;
+
+ new = vec_new (elt_t, num_elts);
+ len = vec_len (new);
+
+ ASSERT (len == num_elts);
+
+ ptr = (u8 *) new;
+ end = (u8 *) (new + len);
+
+ while (ptr != end)
+ {
+ ASSERT (ptr < (u8 *) vec_end (new));
+ ASSERT (ptr[0] == 0);
+ ptr++;
+ }
+
+ validate_vec (new, 0);
+ return new;
+}
+
+static elt_t *
+validate_vec_init_h (uword num_elts, uword hdr_bytes)
+{
+ uword i = 0;
+ u8 *ptr;
+ u8 *end;
+ uword len;
+ elt_t *new;
+
+ new = vec_new_ha (elt_t, num_elts, hdr_bytes, 0);
+ len = vec_len (new);
+
+ ASSERT (len == num_elts);
+
+ /* We have 2 zero-regions to check: header & vec data (skip _VEC struct). */
+ for (i = 0; i < 2; i++)
+ {
+ if (i == 0)
+ {
+ ptr = (u8 *) vec_header (new, hdr_bytes);
+ end = ptr + hdr_bytes;
+ }
+ else
+ {
+ ptr = (u8 *) new;
+ end = (u8 *) (new + len);
+ }
+
+ while (ptr != end)
+ {
+ ASSERT (ptr < (u8 *) vec_end (new));
+ ASSERT (ptr[0] == 0);
+ ptr++;
+ }
+ }
+
+ validate_vec (new, 1);
+ return new;
+}
+
+/* XXX - I don't understand the purpose of the vec_clone() call. */
+static elt_t *
+validate_vec_clone (elt_t * vec)
+{
+ elt_t *new;
+
+ vec_clone (new, vec);
+
+ ASSERT (vec_len (new) == vec_len (vec));
+ ASSERT (compute_vec_hash (0, new) == 0);
+ validate_vec (new, 0);
+ return new;
+}
+
+static elt_t *
+validate_vec_append (elt_t * vec)
+{
+ elt_t *new;
+ uword num_elts = bounded_random_u32 (&g_seed, 0, MAX_CHANGE);
+ uword len;
+ u8 hash = 0;
+
+ new = create_random_vec (elt_t, num_elts, g_seed);
+
+ len = vec_len (vec) + vec_len (new);
+ hash = compute_vec_hash (0, vec);
+ hash = compute_vec_hash (hash, new);
+
+ vec_append (vec, new);
+ vec_free (new);
+
+ ASSERT (vec_len (vec) == len);
+ ASSERT (compute_vec_hash (hash, vec) == 0);
+ validate_vec (vec, 0);
+ return vec;
+}
+
+static elt_t *
+validate_vec_prepend (elt_t * vec)
+{
+ elt_t *new;
+ uword num_elts = bounded_random_u32 (&g_seed, 0, MAX_CHANGE);
+ uword len;
+ u8 hash = 0;
+
+ new = create_random_vec (elt_t, num_elts, g_seed);
+
+ len = vec_len (vec) + vec_len (new);
+ hash = compute_vec_hash (0, vec);
+ hash = compute_vec_hash (hash, new);
+
+ vec_prepend (vec, new);
+ vec_free (new);
+
+ ASSERT (vec_len (vec) == len);
+ ASSERT (compute_vec_hash (hash, vec) == 0);
+ validate_vec (vec, 0);
+ return vec;
+}
+
+static void
+run_validator_wh (uword iter)
+{
+ elt_t *vec;
+ uword i;
+ uword op;
+ uword num_elts;
+ uword len;
+ uword dump_time;
+ f64 time[3]; /* [0]: start, [1]: last, [2]: current */
+
+ vec = create_random_vec_wh (elt_t, ~0, sizeof (hdr_t), g_seed);
+ validate_vec (vec, 0);
+ VERBOSE2 ("Start with len %d\n", vec_len (vec));
+
+ time[0] = unix_time_now ();
+ time[1] = time[0];
+ dump_time = g_dump_period;
+
+ for (i = 1; i <= iter; i++)
+ {
+ if (i >= g_set_verbose_at)
+ g_verbose = 2;
+
+ op = bounded_random_u32 (&g_seed, 0, vec_len (g_prob_wh) - 1);
+ op = g_prob_wh[op];
+
+ switch (op)
+ {
+ case OP_IS_VEC_INIT_H:
+ num_elts = bounded_random_u32 (&g_seed, 0, MAX_CHANGE);
+ vec_free_h (vec, sizeof (hdr_t));
+ VERBOSE2 ("vec_init_h(), new elts %d\n", num_elts);
+ vec = validate_vec_init_h (num_elts, sizeof (hdr_t));
+ break;
+
+ case OP_IS_VEC_RESIZE_H:
+ len = vec_len (vec);
+ num_elts = bounded_random_u32 (&g_seed, len, len + MAX_CHANGE);
+ VERBOSE2 ("vec_resize_h(), %d new elts.\n", num_elts);
+ vec = validate_vec_resize_h (vec, num_elts, sizeof (hdr_t));
+ break;
+
+ case OP_IS_VEC_FREE_H:
+ VERBOSE2 ("vec_free_h()\n");
+ vec = validate_vec_free_h (vec, sizeof (hdr_t));
+ break;
+
+ default:
+ ASSERT (0);
+ break;
+ }
+
+ g_call_stats[op]++;
+
+ if (i == dump_time)
+ {
+ time[2] = unix_time_now ();
+ VERBOSE1 ("%d vec ops in %f secs. (last %d in %f secs.).\n",
+ i, time[2] - time[0], g_dump_period, time[2] - time[1]);
+ time[1] = time[2];
+ dump_time += g_dump_period;
+
+ VERBOSE1 ("vec len %d\n", vec_len (vec));
+ VERBOSE2 ("%U\n\n",
+ format_hex_bytes, vec, vec_len (vec) * sizeof (vec[0]));
+ }
+
+ VERBOSE2 ("len %d\n", vec_len (vec));
+ }
+
+ validate_vec (vec, sizeof (hdr_t));
+ vec_free_h (vec, sizeof (hdr_t));
+}
+
+static void
+run_validator (uword iter)
+{
+ elt_t *vec;
+ elt_t *new;
+ uword i;
+ uword op;
+ uword num_elts;
+ uword index;
+ uword len;
+ uword dump_time;
+ f64 time[3]; /* [0]: start, [1]: last, [2]: current */
+
+ vec = create_random_vec (elt_t, ~0, g_seed);
+ validate_vec (vec, 0);
+ VERBOSE2 ("Start with len %d\n", vec_len (vec));
+
+ time[0] = unix_time_now ();
+ time[1] = time[0];
+ dump_time = g_dump_period;
+
+ for (i = 1; i <= iter; i++)
+ {
+ if (i >= g_set_verbose_at)
+ g_verbose = 2;
+
+ op = bounded_random_u32 (&g_seed, 0, vec_len (g_prob) - 1);
+ op = g_prob[op];
+
+ switch (op)
+ {
+ case OP_IS_VEC_RESIZE:
+ len = vec_len (vec);
+ num_elts = bounded_random_u32 (&g_seed, len, len + MAX_CHANGE);
+ VERBOSE2 ("vec_resize(), %d new elts.\n", num_elts);
+ vec = validate_vec_resize (vec, num_elts);
+ break;
+
+ case OP_IS_VEC_ADD1:
+ VERBOSE2 ("vec_add1()\n");
+ vec = validate_vec_add1 (vec);
+ break;
+
+ case OP_IS_VEC_ADD2:
+ num_elts = bounded_random_u32 (&g_seed, 0, MAX_CHANGE);
+ VERBOSE2 ("vec_add2(), %d new elts.\n", num_elts);
+ vec = validate_vec_add2 (vec, num_elts);
+ break;
+
+ case OP_IS_VEC_ADD:
+ num_elts = bounded_random_u32 (&g_seed, 0, MAX_CHANGE);
+ VERBOSE2 ("vec_add(), %d new elts.\n", num_elts);
+ vec = validate_vec_add (vec, num_elts);
+ break;
+
+ case OP_IS_VEC_INSERT:
+ len = vec_len (vec);
+ num_elts = bounded_random_u32 (&g_seed, 0, MAX_CHANGE);
+ index = bounded_random_u32 (&g_seed, 0,
+ (len > 0) ? (len - 1) : (0));
+ VERBOSE2 ("vec_insert(), %d new elts, index %d.\n", num_elts,
+ index);
+ vec = validate_vec_insert (vec, num_elts, index);
+ break;
+
+ case OP_IS_VEC_INSERT_ELTS:
+ len = vec_len (vec);
+ num_elts = bounded_random_u32 (&g_seed, 0, MAX_CHANGE);
+ index = bounded_random_u32 (&g_seed, 0,
+ (len > 0) ? (len - 1) : (0));
+ VERBOSE2 ("vec_insert_elts(), %d new elts, index %d.\n",
+ num_elts, index);
+ vec = validate_vec_insert_elts (vec, num_elts, index);
+ break;
+
+ case OP_IS_VEC_DELETE:
+ len = vec_len (vec);
+ index = bounded_random_u32 (&g_seed, 0, len - 1);
+ num_elts = bounded_random_u32 (&g_seed, 0,
+ (len > index) ? (len - index) : (0));
+ VERBOSE2 ("vec_delete(), %d elts, index %d.\n", num_elts, index);
+ vec = validate_vec_delete (vec, num_elts, index);
+ break;
+
+ case OP_IS_VEC_DUP:
+ VERBOSE2 ("vec_dup()\n");
+ new = validate_vec_dup (vec);
+ vec_free (new);
+ break;
+
+ case OP_IS_VEC_IS_EQUAL:
+ VERBOSE2 ("vec_is_equal()\n");
+ validate_vec_is_equal (vec);
+ break;
+
+ case OP_IS_VEC_ZERO:
+ VERBOSE2 ("vec_zero()\n");
+ vec = validate_vec_zero (vec);
+ break;
+
+ case OP_IS_VEC_SET:
+ VERBOSE2 ("vec_set()\n");
+ vec = validate_vec_set (vec);
+ break;
+
+ case OP_IS_VEC_VALIDATE:
+ len = vec_len (vec);
+ index = bounded_random_u32 (&g_seed, 0, len - 1 + MAX_CHANGE);
+ VERBOSE2 ("vec_validate(), index %d\n", index);
+ vec = validate_vec_validate (vec, index);
+ break;
+
+ case OP_IS_VEC_FREE:
+ VERBOSE2 ("vec_free()\n");
+ vec = validate_vec_free (vec);
+ break;
+
+ case OP_IS_VEC_INIT:
+ num_elts = bounded_random_u32 (&g_seed, 0, MAX_CHANGE);
+ vec_free (vec);
+ VERBOSE2 ("vec_init(), new elts %d\n", num_elts);
+ vec = validate_vec_init (num_elts);
+ break;
+
+ case OP_IS_VEC_CLONE:
+ VERBOSE2 ("vec_clone()\n");
+ new = validate_vec_clone (vec);
+ vec_free (new);
+ break;
+
+ case OP_IS_VEC_APPEND:
+ VERBOSE2 ("vec_append()\n");
+ vec = validate_vec_append (vec);
+ break;
+
+ case OP_IS_VEC_PREPEND:
+ VERBOSE2 ("vec_prepend()\n");
+ vec = validate_vec_prepend (vec);
+ break;
+
+ default:
+ ASSERT (0);
+ break;
+ }
+
+ g_call_stats[op]++;
+
+ if (i == dump_time)
+ {
+ time[2] = unix_time_now ();
+ VERBOSE1 ("%d vec ops in %f secs. (last %d in %f secs.).\n",
+ i, time[2] - time[0], g_dump_period, time[2] - time[1]);
+ time[1] = time[2];
+ dump_time += g_dump_period;
+
+ VERBOSE1 ("vec len %d\n", vec_len (vec));
+ VERBOSE2 ("%U\n\n",
+ format_hex_bytes, vec, vec_len (vec) * sizeof (vec[0]));
+ }
+
+ VERBOSE2 ("len %d\n", vec_len (vec));
+ }
+
+ validate_vec (vec, 0);
+ vec_free (vec);
+}
+
+static void
+prob_init (void)
+{
+ uword i, j, ratio, len, index;
+
+ /* Create the vector to implement the statistical profile:
+ vec [ op1 op1 op1 op2 op3 op3 op3 op4 op4 .... ] */
+ for (i = FIRST_VEC_OP; i <= LAST_VEC_OP; i++)
+ {
+ ratio = g_prob_ratio[i];
+ if (ratio <= 0)
+ continue;
+
+ len = vec_len (g_prob);
+ index = len - 1 + ratio;
+ ASSERT (index >= 0);
+
+ /* Pre-allocate new elements. */
+ vec_validate (g_prob, index);
+
+ for (j = len; j <= index; j++)
+ g_prob[j] = i;
+ }
+
+ /* Operations on vectors with headers. */
+ for (i = FIRST_VEC_HDR_OP; i <= LAST_VEC_HDR_OP; i++)
+ {
+ ratio = g_prob_ratio[i];
+ if (ratio <= 0)
+ continue;
+
+ len = vec_len (g_prob_wh);
+ index = len - 1 + ratio;
+ ASSERT (index >= 0);
+
+ /* Pre-allocate new elements. */
+ vec_validate (g_prob_wh, index);
+
+ for (j = len; j <= index; j++)
+ g_prob_wh[j] = i;
+ }
+
+ VERBOSE3 ("prob_vec, len %d\n%U\n", vec_len (g_prob),
+ format_hex_bytes, g_prob, vec_len (g_prob) * sizeof (g_prob[0]));
+ VERBOSE3 ("prob_vec_wh, len %d\n%U\n", vec_len (g_prob_wh),
+ format_hex_bytes, g_prob_wh,
+ vec_len (g_prob_wh) * sizeof (g_prob_wh[0]));
+}
+
+static void
+prob_free (void)
+{
+ vec_free (g_prob);
+ vec_free (g_prob_wh);
+}
+
+int
+test_vec_main (unformat_input_t * input)
+{
+ uword iter = 1000;
+ uword help = 0;
+ uword big = 0;
+
+ while (unformat_check_input (input) != UNFORMAT_END_OF_INPUT)
+ {
+ if (0 == unformat (input, "iter %d", &iter)
+ && 0 == unformat (input, "seed %d", &g_seed)
+ && 0 == unformat (input, "verbose %d", &g_verbose)
+ && 0 == unformat (input, "set %d", &g_set_verbose_at)
+ && 0 == unformat (input, "dump %d", &g_dump_period)
+ && 0 == unformat (input, "help %=", &help, 1)
+ && 0 == unformat (input, "big %=", &big, 1))
+ {
+ clib_error ("unknown input `%U'", format_unformat_error, input);
+ goto usage;
+ }
+ }
+
+ if (big)
+ {
+ u8 *bigboy = 0;
+ u64 one_gig = (1 << 30);
+ u64 size;
+ u64 index;
+
+ fformat (stdout, "giant vector test...");
+ size = 5ULL * one_gig;
+
+ vec_validate (bigboy, size);
+
+ for (index = size; index >= 0; index--)
+ bigboy[index] = index & 0xff;
+ return 0;
+ }
+
+
+ if (help)
+ goto usage;
+
+ prob_init ();
+ run_validator (iter);
+ run_validator_wh (iter);
+ if (verbose)
+ dump_call_stats (g_call_stats);
+ prob_free ();
+
+ if (verbose)
+ {
+ memory_snap ();
+ }
+ return 0;
+
+usage:
+ fformat (stdout, "Usage: test_vec iter <N> seed <N> verbose <N> "
+ "set <N> dump <N>\n");
+ if (help)
+ return 0;
+
+ return -1;
+}
+
+#ifdef CLIB_UNIX
+int
+main (int argc, char *argv[])
+{
+ unformat_input_t i;
+ int ret;
+
+ mheap_alloc (0, (uword) 10ULL << 30);
+
+ verbose = (argc > 1);
+ unformat_init_command_line (&i, argv);
+ ret = test_vec_main (&i);
+ unformat_free (&i);
+
+ return ret;
+}
+#endif /* CLIB_UNIX */
+
+/*
+ * fd.io coding-style-patch-verification: ON
+ *
+ * Local Variables:
+ * eval: (c-set-style "gnu")
+ * End:
+ */