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158 lines
4.3 KiB
158 lines
4.3 KiB
/******************************************************************************
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*
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* Copyright 2016 Google, Inc.
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at:
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*
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******************************************************************************/
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#include <gtest/gtest.h>
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#include <base/logging.h>
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#include <fcntl.h>
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#include <sys/mman.h>
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#include <sys/stat.h>
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#include <sys/types.h>
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#include "osi/include/wakelock.h"
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#include "AllocationTestHarness.h"
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static bool is_wake_lock_acquired = false;
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static int acquire_wake_lock_cb(const char* lock_name) {
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is_wake_lock_acquired = true;
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return BT_STATUS_SUCCESS;
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}
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static int release_wake_lock_cb(const char* lock_name) {
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is_wake_lock_acquired = false;
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return BT_STATUS_SUCCESS;
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}
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static bt_os_callouts_t bt_wakelock_callouts = {
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sizeof(bt_os_callouts_t), NULL, acquire_wake_lock_cb, release_wake_lock_cb};
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class WakelockTest : public AllocationTestHarness {
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protected:
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void SetUp() override {
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AllocationTestHarness::SetUp();
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// TODO (jamuraa): maybe use base::CreateNewTempDirectory instead?
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#if defined(OS_GENERIC)
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tmp_dir_ = "/tmp/btwlXXXXXX";
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#else
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tmp_dir_ = "/data/local/tmp/btwlXXXXXX";
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#endif // !defined(OS_GENERIC)
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char* buffer = const_cast<char*>(tmp_dir_.c_str());
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char* dtemp = mkdtemp(buffer);
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if (!dtemp) {
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perror("Can't make wake lock test directory: ");
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CHECK(false);
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}
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lock_path_ = tmp_dir_ + "/wake_lock";
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unlock_path_ = tmp_dir_ + "/wake_unlock";
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creat(lock_path_.c_str(), S_IRWXU);
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creat(unlock_path_.c_str(), S_IRWXU);
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}
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void TearDown() override {
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is_wake_lock_acquired = false;
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wakelock_cleanup();
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wakelock_set_os_callouts(NULL);
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// Clean up the temp wake lock directory
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unlink(lock_path_.c_str());
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unlink(unlock_path_.c_str());
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rmdir(tmp_dir_.c_str());
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AllocationTestHarness::TearDown();
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}
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//
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// Test whether the file-based wakelock is acquired.
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//
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bool IsFileWakeLockAcquired() {
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bool acquired = false;
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int lock_fd = open(lock_path_.c_str(), O_RDONLY);
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CHECK(lock_fd >= 0);
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int unlock_fd = open(unlock_path_.c_str(), O_RDONLY);
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CHECK(unlock_fd >= 0);
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struct stat lock_stat, unlock_stat;
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fstat(lock_fd, &lock_stat);
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fstat(unlock_fd, &unlock_stat);
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CHECK(lock_stat.st_size >= unlock_stat.st_size);
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void* lock_file =
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mmap(nullptr, lock_stat.st_size, PROT_READ, MAP_PRIVATE, lock_fd, 0);
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void* unlock_file = mmap(nullptr, unlock_stat.st_size, PROT_READ,
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MAP_PRIVATE, unlock_fd, 0);
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if (memcmp(lock_file, unlock_file, unlock_stat.st_size) == 0) {
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acquired = lock_stat.st_size > unlock_stat.st_size;
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} else {
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// these files should always either be with a lock that has more,
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// or equal.
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CHECK(false);
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}
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munmap(lock_file, lock_stat.st_size);
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munmap(unlock_file, unlock_stat.st_size);
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close(lock_fd);
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close(unlock_fd);
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return acquired;
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}
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std::string tmp_dir_;
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std::string lock_path_;
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std::string unlock_path_;
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};
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TEST_F(WakelockTest, test_set_os_callouts) {
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wakelock_set_os_callouts(&bt_wakelock_callouts);
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// Initially, the wakelock is not acquired
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ASSERT_FALSE(is_wake_lock_acquired);
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for (size_t i = 0; i < 1000; i++) {
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wakelock_acquire();
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ASSERT_TRUE(is_wake_lock_acquired);
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wakelock_release();
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ASSERT_FALSE(is_wake_lock_acquired);
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}
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}
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TEST_F(WakelockTest, test_set_paths) {
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wakelock_set_os_callouts(NULL); // Make sure we use native wakelocks
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wakelock_set_paths(lock_path_.c_str(), unlock_path_.c_str());
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// Initially, the wakelock is not acquired
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ASSERT_FALSE(IsFileWakeLockAcquired());
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for (size_t i = 0; i < 1000; i++) {
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wakelock_acquire();
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ASSERT_TRUE(IsFileWakeLockAcquired());
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wakelock_release();
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ASSERT_FALSE(IsFileWakeLockAcquired());
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}
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}
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