/* * 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: */