/*
- * Copyright (c) 2009, 2010, 2011, 2012 Nicira, Inc.
+ * Copyright (c) 2009, 2010, 2011, 2012, 2013 Nicira, Inc.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
#include "flow.h"
#include "ofp-util.h"
#include "packets.h"
+#include "random.h"
#include "unaligned.h"
#undef NDEBUG
struct flow flow;
unsigned int x;
- x = rand () % N_FLOW_VALUES;
+ x = random_range(N_FLOW_VALUES);
memset(&flow, 0, sizeof flow);
flow.nw_src = nw_src_values[get_value(&x, N_NW_SRC_VALUES)];
flow.nw_dst = nw_dst_values[get_value(&x, N_NW_DST_VALUES)];
shuffle(unsigned int *p, size_t n)
{
for (; n > 1; n--, p++) {
- unsigned int *q = &p[rand() % n];
+ unsigned int *q = &p[random_range(n)];
unsigned int tmp = *p;
*p = *q;
*q = tmp;
shuffle_u32s(uint32_t *p, size_t n)
{
for (; n > 1; n--, p++) {
- uint32_t *q = &p[rand() % n];
+ uint32_t *q = &p[random_range(n)];
uint32_t tmp = *p;
*p = *q;
*q = tmp;
int i;
do {
- wcf = rand() & ((1u << CLS_N_FIELDS) - 1);
+ wcf = random_uint32() & ((1u << CLS_N_FIELDS) - 1);
value_mask = ~wcf & ((1u << CLS_N_FIELDS) - 1);
} while ((1 << count_ones(value_mask)) < N_RULES);
tcls_init(&tcls);
for (i = 0; i < N_RULES; i++) {
- unsigned int priority = rand();
+ unsigned int priority = random_uint32();
do {
- value_pats[i] = rand() & value_mask;
+ value_pats[i] = random_uint32() & value_mask;
} while (array_contains(value_pats, i, value_pats[i]));
rules[i] = make_rule(wcf, priority, value_pats[i]);
assert(n_tables < 10);
for (i = 0; i < n_tables; i++) {
do {
- wcfs[i] = rand() & ((1u << CLS_N_FIELDS) - 1);
+ wcfs[i] = random_uint32() & ((1u << CLS_N_FIELDS) - 1);
} while (array_contains(wcfs, i, wcfs[i]));
}
struct classifier cls;
struct tcls tcls;
- srand(iteration);
+ random_set_seed(iteration + 1);
for (i = 0; i < MAX_RULES; i++) {
priorities[i] = i * 129;
}
for (i = 0; i < MAX_RULES; i++) {
struct test_rule *rule;
unsigned int priority = priorities[i];
- int wcf = wcfs[rand() % n_tables];
- int value_pat = rand() & ((1u << CLS_N_FIELDS) - 1);
+ int wcf = wcfs[random_range(n_tables)];
+ int value_pat = random_uint32() & ((1u << CLS_N_FIELDS) - 1);
rule = make_rule(wcf, priority, value_pat);
tcls_insert(&tcls, rule);
classifier_insert(&cls, &rule->cls_rule);
struct test_rule *target;
struct cls_cursor cursor;
- target = clone_rule(tcls.rules[rand() % tcls.n_rules]);
+ target = clone_rule(tcls.rules[random_range(tcls.n_rules)]);
cls_cursor_init(&cursor, &cls, &target->cls_rule);
CLS_CURSOR_FOR_EACH_SAFE (rule, next_rule, cls_rule, &cursor) {
{ 0xffffffff, 0xaaaaaaaa, 0x55555555, 0x80000000,
0x00000001, 0xface0000, 0x00d00d1e, 0xdeadbeef };
- return values[random_uint32() % ARRAY_SIZE(values)];
+ return values[random_range(ARRAY_SIZE(values))];
}
static bool