| /* |
| * Licensed to the Apache Software Foundation (ASF) under one |
| * or more contributor license agreements. See the NOTICE file |
| * distributed with this work for additional information |
| * regarding copyright ownership. The ASF licenses this file |
| * to you 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 "os_test_priv.h" |
| |
| static uint16_t |
| omtw_chain_len(const struct os_mbuf *om) |
| { |
| const struct os_mbuf *cur; |
| uint16_t len; |
| |
| len = 0; |
| for (cur = om; cur != NULL; cur = SLIST_NEXT(cur, om_next)) { |
| len += cur->om_len; |
| } |
| |
| return len; |
| } |
| |
| TEST_CASE(os_mbuf_test_widen) |
| { |
| struct os_mbuf *om; |
| int rc; |
| int i; |
| |
| os_mbuf_test_setup(); |
| |
| om = os_mbuf_get(&os_mbuf_pool, 0); |
| TEST_ASSERT_FATAL(om != NULL, "Error allocating mbuf"); |
| os_mbuf_test_misc_assert_sane(om, NULL, 0, 0, 0); |
| |
| /*** Invalid offset. */ |
| rc = os_mbuf_widen(om, 1, 10); |
| TEST_ASSERT_FATAL(rc == SYS_EINVAL); |
| |
| /*** No pkthdr; widen within one buffer. */ |
| rc = os_mbuf_append(om, os_mbuf_test_data, 5); |
| TEST_ASSERT_FATAL(rc == 0); |
| |
| rc = os_mbuf_widen(om, 3, 5); |
| TEST_ASSERT_FATAL(rc == 0); |
| TEST_ASSERT(om->om_len == 10); |
| TEST_ASSERT(os_mbuf_cmpf(om, 0, os_mbuf_test_data, 3) == 0); |
| TEST_ASSERT(os_mbuf_cmpf(om, 8, os_mbuf_test_data + 3, 2) == 0); |
| |
| /*** No pkthdr; widen across several buffers. */ |
| os_mbuf_free_chain(om); |
| om = os_mbuf_get(&os_mbuf_pool, 0); |
| |
| rc = os_mbuf_append(om, os_mbuf_test_data, 10); |
| TEST_ASSERT_FATAL(rc == 0); |
| |
| rc = os_mbuf_widen(om, 8, 490); |
| TEST_ASSERT_FATAL(rc == 0); |
| |
| TEST_ASSERT(omtw_chain_len(om) == 500); |
| TEST_ASSERT(os_mbuf_cmpf(om, 0, os_mbuf_test_data, 8) == 0); |
| TEST_ASSERT(os_mbuf_cmpf(om, 498, os_mbuf_test_data + 8, 2) == 0); |
| |
| /*** No pkthdr; small widen, many mbufs. */ |
| os_mbuf_free_chain(om); |
| om = os_mbuf_get(&os_mbuf_pool, 0); |
| |
| os_mbuf_append(om, os_mbuf_test_data, 300); |
| rc = os_mbuf_widen(om, 200, 5); |
| TEST_ASSERT_FATAL(rc == 0); |
| |
| TEST_ASSERT(omtw_chain_len(om) == 305); |
| TEST_ASSERT(os_mbuf_cmpf(om, 0, os_mbuf_test_data, 200) == 0); |
| TEST_ASSERT(os_mbuf_cmpf(om, 205, os_mbuf_test_data + 200, 100) == 0); |
| |
| /*** Pkthdr; widen within one buffer. */ |
| om = os_mbuf_get_pkthdr(&os_mbuf_pool, 0); |
| TEST_ASSERT_FATAL(om != NULL); |
| |
| rc = os_mbuf_append(om, os_mbuf_test_data, 12); |
| TEST_ASSERT_FATAL(rc == 0); |
| |
| rc = os_mbuf_widen(om, 7, 4); |
| TEST_ASSERT_FATAL(rc == 0); |
| TEST_ASSERT(OS_MBUF_PKTLEN(om) == 16); |
| TEST_ASSERT(om->om_len == 16); |
| TEST_ASSERT(os_mbuf_cmpf(om, 0, os_mbuf_test_data, 7) == 0); |
| TEST_ASSERT(os_mbuf_cmpf(om, 11, os_mbuf_test_data + 7, 5) == 0); |
| |
| /*** Pkthdr; widen across several buffers. */ |
| os_mbuf_free_chain(om); |
| om = os_mbuf_get_pkthdr(&os_mbuf_pool, 0); |
| TEST_ASSERT_FATAL(om != NULL); |
| |
| rc = os_mbuf_append(om, os_mbuf_test_data, 52); |
| TEST_ASSERT_FATAL(rc == 0); |
| |
| rc = os_mbuf_widen(om, 38, 830); |
| TEST_ASSERT_FATAL(rc == 0); |
| |
| TEST_ASSERT(OS_MBUF_PKTLEN(om) == 882); |
| TEST_ASSERT(omtw_chain_len(om) == 882); |
| TEST_ASSERT(os_mbuf_cmpf(om, 0, os_mbuf_test_data, 38) == 0); |
| TEST_ASSERT(os_mbuf_cmpf(om, 868, os_mbuf_test_data + 38, 14) == 0); |
| |
| /*** Pkthdr; widen at edge. */ |
| os_mbuf_free_chain(om); |
| om = os_mbuf_get_pkthdr(&os_mbuf_pool, 0); |
| TEST_ASSERT_FATAL(om != NULL); |
| |
| os_mbuf_append(om, os_mbuf_test_data, 200); |
| rc = os_mbuf_widen(om, 200, 5); |
| TEST_ASSERT_FATAL(rc == 0); |
| |
| TEST_ASSERT(OS_MBUF_PKTLEN(om) == 205); |
| TEST_ASSERT(omtw_chain_len(om) == 205); |
| TEST_ASSERT(os_mbuf_cmpf(om, 0, os_mbuf_test_data, 200) == 0); |
| |
| /*** Ensure no memory leaks. */ |
| for (i = 0; i < 100; i++) { |
| os_mbuf_free_chain(om); |
| om = os_mbuf_get_pkthdr(&os_mbuf_pool, 0); |
| TEST_ASSERT_FATAL(om != NULL); |
| |
| os_mbuf_append(om, os_mbuf_test_data, 10); |
| rc = os_mbuf_widen(om, 5, 10000); |
| TEST_ASSERT_FATAL(rc == SYS_ENOMEM); |
| } |
| } |