127 lines
3.5 KiB
C++
127 lines
3.5 KiB
C++
/******************************************************************************
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*
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* Copyright (C) 2014 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 "AlarmTestHarness.h"
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#include <fcntl.h>
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#include <sys/mman.h>
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#include <unistd.h>
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#include <hardware/bluetooth.h>
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extern "C" {
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#include "osi/include/alarm.h"
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#include "osi/include/allocation_tracker.h"
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#include "osi/include/wakelock.h"
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}
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static timer_t timer;
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static alarm_cb saved_callback;
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static void *saved_data;
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static AlarmTestHarness *current_harness;
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static void timer_callback(void *) {
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saved_callback(saved_data);
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}
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void AlarmTestHarness::SetUp() {
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AllocationTestHarness::SetUp();
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current_harness = this;
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TIMER_INTERVAL_FOR_WAKELOCK_IN_MS = 100;
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struct sigevent sigevent;
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memset(&sigevent, 0, sizeof(sigevent));
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sigevent.sigev_notify = SIGEV_THREAD;
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sigevent.sigev_notify_function = (void (*)(union sigval))timer_callback;
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sigevent.sigev_value.sival_ptr = NULL;
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timer_create(CLOCK_BOOTTIME, &sigevent, &timer);
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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 // !defined(OS_GENERIC)
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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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assert(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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wakelock_set_paths(lock_path_.c_str(), unlock_path_.c_str());
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}
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void AlarmTestHarness::TearDown() {
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alarm_cleanup();
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wakelock_cleanup();
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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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timer_delete(timer);
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AllocationTestHarness::TearDown();
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}
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bool AlarmTestHarness::WakeLockHeld() {
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bool held = false;
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int lock_fd = open(lock_path_.c_str(), O_RDONLY);
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assert(lock_fd >= 0);
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int unlock_fd = open(unlock_path_.c_str(), O_RDONLY);
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assert(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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assert(lock_stat.st_size >= unlock_stat.st_size);
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void *lock_file = mmap(nullptr, lock_stat.st_size, PROT_READ,
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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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held = 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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assert(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 held;
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}
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