| /* |
| * Copyright (C) 2018 The Android Open Source Project |
| * |
| * 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 requied 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. |
| * |
| */ |
| |
| #define LOG_TAG "BpfTest" |
| #include <assert.h> |
| #include <errno.h> |
| #include <inttypes.h> |
| #include <netinet/in.h> |
| #include <stdio.h> |
| #include <stdlib.h> |
| #include <sys/types.h> |
| #include <sys/utsname.h> |
| |
| #include <android-base/stringprintf.h> |
| #include <android-base/unique_fd.h> |
| #include <gtest/gtest.h> |
| #include <utils/Log.h> |
| |
| #include "bpf/BpfUtils.h" |
| |
| using namespace android::bpf; |
| |
| namespace android { |
| |
| TEST(BpfTest, bpfMapPinTest) { |
| const char* bpfMapPath = "/sys/fs/bpf/testMap"; |
| if (!hasBpfSupport()) { |
| GTEST_LOG_(INFO) << "skipped since kernel version is not compatible.\n"; |
| return; |
| } |
| int ret = access(bpfMapPath, F_OK); |
| if (!ret) { |
| ASSERT_EQ(0, remove(bpfMapPath)); |
| } else { |
| ASSERT_EQ(errno, ENOENT); |
| } |
| |
| android::base::unique_fd mapfd(createMap(BPF_MAP_TYPE_HASH, sizeof(uint32_t), |
| sizeof(uint32_t), 10, |
| BPF_F_NO_PREALLOC)); |
| ASSERT_LT(0, mapfd) << "create map failed with error: " << strerror(errno); |
| ASSERT_EQ(0, bpfFdPin(mapfd, bpfMapPath)) |
| << "pin map failed with error: " << strerror(errno); |
| ASSERT_EQ(0, access(bpfMapPath, F_OK)); |
| ASSERT_EQ(0, remove(bpfMapPath)); |
| } |
| |
| } // namespace android |