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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.
*/
#include <vppinfra/dlist.h>
typedef struct
{
dlist_elt_t *test_pool;
u32 head_index;
} test_main_t;
test_main_t test_main;
int
test_dlist_main (unformat_input_t * input)
{
test_main_t *tm = &test_main;
dlist_elt_t *head, *elt;
u32 elt_index, head_index;
u32 value;
int i;
pool_get (tm->test_pool, head);
head_index = head - tm->test_pool;
clib_dlist_init (tm->test_pool, head - tm->test_pool);
for (i = 1; i <= 3; i++)
{
pool_get (tm->test_pool, elt);
elt_index = elt - tm->test_pool;
clib_dlist_init (tm->test_pool, elt_index);
elt->value = i;
clib_dlist_addtail (tm->test_pool, head_index, elt_index);
}
head = pool_elt_at_index (tm->test_pool, head_index);
fformat (stdout, "Dump forward links\n");
elt_index = head->next;
i = 1;
value = 0;
while (value != ~0)
{
elt = pool_elt_at_index (tm->test_pool, elt_index);
fformat (stdout, "elt %d value %d\n", i++, elt->value);
elt_index = elt->next;
value = elt->value;
}
fformat (stdout, "Dump reverse links\n");
elt_index = head->prev;
i = 1;
value = 0;
while (value != ~0)
{
elt = pool_elt_at_index (tm->test_pool, elt_index);
fformat (stdout, "elt %d value %d\n", i++, elt->value);
elt_index = elt->prev;
value = elt->value;
}
fformat (stdout, "remove first element\n");
elt_index = clib_dlist_remove_head (tm->test_pool, head_index);
elt = pool_elt_at_index (tm->test_pool, elt_index);
fformat (stdout, "removed index %d value %d\n", elt_index, elt->value);
head = pool_elt_at_index (tm->test_pool, head_index);
fformat (stdout, "Dump forward links\n");
elt_index = head->next;
i = 1;
value = 0;
while (value != ~0)
{
elt = pool_elt_at_index (tm->test_pool, elt_index);
fformat (stdout, "elt %d value %d\n", i++, elt->value);
elt_index = elt->next;
value = elt->value;
}
fformat (stdout, "Dump reverse links\n");
elt_index = head->prev;
i = 1;
value = 0;
while (value != ~0)
{
elt = pool_elt_at_index (tm->test_pool, elt_index);
fformat (stdout, "elt %d value %d\n", i++, elt->value);
elt_index = elt->prev;
value = elt->value;
}
fformat (stdout, "re-insert index %d value %d at head\n", 1, 1);
clib_dlist_addhead (tm->test_pool, head_index, 1);
fformat (stdout, "Dump forward links\n");
elt_index = head->next;
i = 1;
value = 0;
while (value != ~0)
{
elt = pool_elt_at_index (tm->test_pool, elt_index);
fformat (stdout, "elt %d value %d\n", i++, elt->value);
elt_index = elt->next;
value = elt->value;
}
fformat (stdout, "Dump reverse links\n");
elt_index = head->prev;
i = 1;
value = 0;
while (value != ~0)
{
elt = pool_elt_at_index (tm->test_pool, elt_index);
fformat (stdout, "elt %d value %d\n", i++, elt->value);
elt_index = elt->prev;
value = elt->value;
}
fformat (stdout, "Remove middle element\n");
clib_dlist_remove (tm->test_pool, 2);
elt = pool_elt_at_index (tm->test_pool, 2);
fformat (stdout, "removed index %d value %d\n", elt_index, elt->value);
fformat (stdout, "Dump forward links\n");
elt_index = head->next;
i = 1;
value = 0;
while (value != ~0)
{
elt = pool_elt_at_index (tm->test_pool, elt_index);
fformat (stdout, "elt %d value %d\n", i++, elt->value);
elt_index = elt->next;
value = elt->value;
}
fformat (stdout, "Dump reverse links\n");
elt_index = head->prev;
i = 1;
value = 0;
while (value != ~0)
{
elt = pool_elt_at_index (tm->test_pool, elt_index);
fformat (stdout, "elt %d value %d\n", i++, elt->value);
elt_index = elt->prev;
value = elt->value;
}
return 0;
}
#ifdef CLIB_UNIX
int
main (int argc, char *argv[])
{
unformat_input_t i;
int ret;
clib_mem_init (0, 3ULL << 30);
unformat_init_command_line (&i, argv);
ret = test_dlist_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:
*/
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