Merge changes from topic "libhealthloop"
* changes: [REFACTOR] health 2.0: healthd_common -> libhealthloop health 2.0: Move healthd_common.cpp
This commit is contained in:
commit
9a41dd7f5a
8 changed files with 568 additions and 274 deletions
|
@ -31,7 +31,11 @@ cc_library_static {
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vendor_available: true,
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srcs: [
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"Health.cpp",
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"healthd_common.cpp",
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"healthd_common_adapter.cpp",
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],
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whole_static_libs: [
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"libhealthloop",
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],
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export_include_dirs: ["include"],
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@ -1,273 +0,0 @@
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/*
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* Copyright (C) 2013 The Android Open Source Project
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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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#define LOG_TAG "android.hardware.health@2.0-impl"
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#define KLOG_LEVEL 6
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#include <healthd/BatteryMonitor.h>
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#include <healthd/healthd.h>
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#include <batteryservice/BatteryService.h>
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#include <cutils/klog.h>
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#include <cutils/uevent.h>
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#include <errno.h>
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#include <libgen.h>
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#include <sys/epoll.h>
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#include <sys/timerfd.h>
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#include <unistd.h>
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#include <utils/Errors.h>
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#include <health2/Health.h>
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using namespace android;
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// Periodic chores fast interval in seconds
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#define DEFAULT_PERIODIC_CHORES_INTERVAL_FAST (60 * 1)
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// Periodic chores fast interval in seconds
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#define DEFAULT_PERIODIC_CHORES_INTERVAL_SLOW (60 * 10)
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static struct healthd_config healthd_config = {
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.periodic_chores_interval_fast = DEFAULT_PERIODIC_CHORES_INTERVAL_FAST,
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.periodic_chores_interval_slow = DEFAULT_PERIODIC_CHORES_INTERVAL_SLOW,
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.batteryStatusPath = String8(String8::kEmptyString),
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.batteryHealthPath = String8(String8::kEmptyString),
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.batteryPresentPath = String8(String8::kEmptyString),
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.batteryCapacityPath = String8(String8::kEmptyString),
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.batteryVoltagePath = String8(String8::kEmptyString),
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.batteryTemperaturePath = String8(String8::kEmptyString),
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.batteryTechnologyPath = String8(String8::kEmptyString),
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.batteryCurrentNowPath = String8(String8::kEmptyString),
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.batteryCurrentAvgPath = String8(String8::kEmptyString),
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.batteryChargeCounterPath = String8(String8::kEmptyString),
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.batteryFullChargePath = String8(String8::kEmptyString),
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.batteryCycleCountPath = String8(String8::kEmptyString),
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.energyCounter = NULL,
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.boot_min_cap = 0,
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.screen_on = NULL,
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};
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static int eventct;
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static int epollfd;
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#define POWER_SUPPLY_SUBSYSTEM "power_supply"
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static int uevent_fd;
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static int wakealarm_fd;
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// -1 for no epoll timeout
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static int awake_poll_interval = -1;
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static int wakealarm_wake_interval = DEFAULT_PERIODIC_CHORES_INTERVAL_FAST;
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using ::android::hardware::health::V2_0::implementation::Health;
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struct healthd_mode_ops* healthd_mode_ops = nullptr;
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int healthd_register_event(int fd, void (*handler)(uint32_t), EventWakeup wakeup) {
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struct epoll_event ev;
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ev.events = EPOLLIN;
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if (wakeup == EVENT_WAKEUP_FD) ev.events |= EPOLLWAKEUP;
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ev.data.ptr = (void*)handler;
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if (epoll_ctl(epollfd, EPOLL_CTL_ADD, fd, &ev) == -1) {
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KLOG_ERROR(LOG_TAG, "epoll_ctl failed; errno=%d\n", errno);
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return -1;
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}
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eventct++;
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return 0;
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}
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static void wakealarm_set_interval(int interval) {
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struct itimerspec itval;
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if (wakealarm_fd == -1) return;
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wakealarm_wake_interval = interval;
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if (interval == -1) interval = 0;
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itval.it_interval.tv_sec = interval;
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itval.it_interval.tv_nsec = 0;
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itval.it_value.tv_sec = interval;
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itval.it_value.tv_nsec = 0;
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if (timerfd_settime(wakealarm_fd, 0, &itval, NULL) == -1)
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KLOG_ERROR(LOG_TAG, "wakealarm_set_interval: timerfd_settime failed\n");
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}
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void healthd_battery_update_internal(bool charger_online) {
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// Fast wake interval when on charger (watch for overheat);
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// slow wake interval when on battery (watch for drained battery).
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int new_wake_interval = charger_online ? healthd_config.periodic_chores_interval_fast
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: healthd_config.periodic_chores_interval_slow;
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if (new_wake_interval != wakealarm_wake_interval) wakealarm_set_interval(new_wake_interval);
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// During awake periods poll at fast rate. If wake alarm is set at fast
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// rate then just use the alarm; if wake alarm is set at slow rate then
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// poll at fast rate while awake and let alarm wake up at slow rate when
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// asleep.
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if (healthd_config.periodic_chores_interval_fast == -1)
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awake_poll_interval = -1;
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else
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awake_poll_interval = new_wake_interval == healthd_config.periodic_chores_interval_fast
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? -1
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: healthd_config.periodic_chores_interval_fast * 1000;
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}
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static void healthd_battery_update(void) {
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Health::getImplementation()->update();
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}
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static void periodic_chores() {
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healthd_battery_update();
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}
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#define UEVENT_MSG_LEN 2048
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static void uevent_event(uint32_t /*epevents*/) {
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char msg[UEVENT_MSG_LEN + 2];
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char* cp;
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int n;
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n = uevent_kernel_multicast_recv(uevent_fd, msg, UEVENT_MSG_LEN);
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if (n <= 0) return;
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if (n >= UEVENT_MSG_LEN) /* overflow -- discard */
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return;
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msg[n] = '\0';
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msg[n + 1] = '\0';
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cp = msg;
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while (*cp) {
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if (!strcmp(cp, "SUBSYSTEM=" POWER_SUPPLY_SUBSYSTEM)) {
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healthd_battery_update();
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break;
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}
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/* advance to after the next \0 */
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while (*cp++)
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;
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}
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}
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static void uevent_init(void) {
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uevent_fd = uevent_open_socket(64 * 1024, true);
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if (uevent_fd < 0) {
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KLOG_ERROR(LOG_TAG, "uevent_init: uevent_open_socket failed\n");
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return;
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}
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fcntl(uevent_fd, F_SETFL, O_NONBLOCK);
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if (healthd_register_event(uevent_fd, uevent_event, EVENT_WAKEUP_FD))
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KLOG_ERROR(LOG_TAG, "register for uevent events failed\n");
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}
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static void wakealarm_event(uint32_t /*epevents*/) {
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unsigned long long wakeups;
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if (read(wakealarm_fd, &wakeups, sizeof(wakeups)) == -1) {
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KLOG_ERROR(LOG_TAG, "wakealarm_event: read wakealarm fd failed\n");
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return;
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}
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periodic_chores();
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}
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static void wakealarm_init(void) {
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wakealarm_fd = timerfd_create(CLOCK_BOOTTIME_ALARM, TFD_NONBLOCK);
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if (wakealarm_fd == -1) {
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KLOG_ERROR(LOG_TAG, "wakealarm_init: timerfd_create failed\n");
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return;
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}
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if (healthd_register_event(wakealarm_fd, wakealarm_event, EVENT_WAKEUP_FD))
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KLOG_ERROR(LOG_TAG, "Registration of wakealarm event failed\n");
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wakealarm_set_interval(healthd_config.periodic_chores_interval_fast);
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}
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static void healthd_mainloop(void) {
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int nevents = 0;
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while (1) {
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struct epoll_event events[eventct];
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int timeout = awake_poll_interval;
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int mode_timeout;
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/* Don't wait for first timer timeout to run periodic chores */
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if (!nevents) periodic_chores();
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healthd_mode_ops->heartbeat();
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mode_timeout = healthd_mode_ops->preparetowait();
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if (timeout < 0 || (mode_timeout > 0 && mode_timeout < timeout)) timeout = mode_timeout;
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nevents = epoll_wait(epollfd, events, eventct, timeout);
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if (nevents == -1) {
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if (errno == EINTR) continue;
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KLOG_ERROR(LOG_TAG, "healthd_mainloop: epoll_wait failed\n");
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break;
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}
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for (int n = 0; n < nevents; ++n) {
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if (events[n].data.ptr) (*(void (*)(int))events[n].data.ptr)(events[n].events);
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}
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}
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return;
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}
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static int healthd_init() {
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epollfd = epoll_create1(EPOLL_CLOEXEC);
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if (epollfd == -1) {
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KLOG_ERROR(LOG_TAG, "epoll_create1 failed; errno=%d\n", errno);
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return -1;
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}
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healthd_mode_ops->init(&healthd_config);
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wakealarm_init();
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uevent_init();
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return 0;
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}
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int healthd_main() {
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int ret;
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klog_set_level(KLOG_LEVEL);
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if (!healthd_mode_ops) {
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KLOG_ERROR("healthd ops not set, exiting\n");
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exit(1);
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}
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ret = healthd_init();
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if (ret) {
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KLOG_ERROR("Initialization failed, exiting\n");
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exit(2);
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}
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healthd_mainloop();
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KLOG_ERROR("Main loop terminated, exiting\n");
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return 3;
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}
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74
health/2.0/default/healthd_common_adapter.cpp
Normal file
74
health/2.0/default/healthd_common_adapter.cpp
Normal file
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@ -0,0 +1,74 @@
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/*
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* Copyright (C) 2019 The Android Open Source Project
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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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// Support legacy functions in healthd/healthd.h using healthd_mode_ops.
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// New code should use HealthLoop directly instead.
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#include <memory>
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#include <cutils/klog.h>
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#include <health/HealthLoop.h>
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#include <health2/Health.h>
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#include <healthd/healthd.h>
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using android::hardware::health::HealthLoop;
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using android::hardware::health::V2_0::implementation::Health;
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struct healthd_mode_ops* healthd_mode_ops = nullptr;
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// Adapter of HealthLoop to use legacy healthd_mode_ops.
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class HealthLoopAdapter : public HealthLoop {
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public:
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// Expose internal functions, assuming clients calls them in the same thread
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// where StartLoop is called.
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int RegisterEvent(int fd, BoundFunction func, EventWakeup wakeup) {
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return HealthLoop::RegisterEvent(fd, func, wakeup);
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}
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void AdjustWakealarmPeriods(bool charger_online) {
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return HealthLoop::AdjustWakealarmPeriods(charger_online);
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}
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protected:
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void Init(healthd_config* config) override { healthd_mode_ops->init(config); }
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void Heartbeat() override { healthd_mode_ops->heartbeat(); }
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int PrepareToWait() override { return healthd_mode_ops->preparetowait(); }
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void ScheduleBatteryUpdate() override { Health::getImplementation()->update(); }
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};
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static std::unique_ptr<HealthLoopAdapter> health_loop;
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int healthd_register_event(int fd, void (*handler)(uint32_t), EventWakeup wakeup) {
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auto wrapped_handler = [handler](auto*, uint32_t epevents) { handler(epevents); };
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return health_loop->RegisterEvent(fd, wrapped_handler, wakeup);
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}
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void healthd_battery_update_internal(bool charger_online) {
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health_loop->AdjustWakealarmPeriods(charger_online);
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}
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int healthd_main() {
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if (!healthd_mode_ops) {
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KLOG_ERROR("healthd ops not set, exiting\n");
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exit(1);
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}
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health_loop = std::make_unique<HealthLoopAdapter>();
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int ret = health_loop->StartLoop();
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// Should not reach here. The following will exit().
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health_loop.reset();
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return ret;
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}
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35
health/utils/libhealthloop/Android.bp
Normal file
35
health/utils/libhealthloop/Android.bp
Normal file
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@ -0,0 +1,35 @@
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// Copyright (C) 2019 The Android Open Source Project
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//
|
||||
// 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.
|
||||
|
||||
cc_library_static {
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name: "libhealthloop",
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vendor_available: true,
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recovery_available: true,
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srcs: [
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"HealthLoop.cpp",
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"utils.cpp",
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],
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shared_libs: [
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"libcutils",
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"libbase",
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],
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header_libs: [
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"libbatteryservice_headers",
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"libhealthd_headers",
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"libutils_headers",
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],
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export_include_dirs: [
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"include",
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||||
],
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}
|
267
health/utils/libhealthloop/HealthLoop.cpp
Normal file
267
health/utils/libhealthloop/HealthLoop.cpp
Normal file
|
@ -0,0 +1,267 @@
|
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/*
|
||||
* Copyright (C) 2013 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 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.
|
||||
*/
|
||||
|
||||
#define LOG_TAG "HealthLoop"
|
||||
#define KLOG_LEVEL 6
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||||
|
||||
#include <health/HealthLoop.h>
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||||
|
||||
#include <errno.h>
|
||||
#include <libgen.h>
|
||||
#include <stdio.h>
|
||||
#include <stdlib.h>
|
||||
#include <string.h>
|
||||
#include <sys/epoll.h>
|
||||
#include <sys/timerfd.h>
|
||||
#include <unistd.h>
|
||||
|
||||
#include <android-base/logging.h>
|
||||
#include <batteryservice/BatteryService.h>
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#include <cutils/klog.h>
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||||
#include <cutils/uevent.h>
|
||||
#include <healthd/healthd.h>
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||||
#include <utils/Errors.h>
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||||
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||||
#include <health/utils.h>
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||||
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||||
using namespace android;
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||||
using namespace std::chrono_literals;
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||||
|
||||
#define POWER_SUPPLY_SUBSYSTEM "power_supply"
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||||
|
||||
namespace android {
|
||||
namespace hardware {
|
||||
namespace health {
|
||||
|
||||
HealthLoop::HealthLoop() {
|
||||
InitHealthdConfig(&healthd_config_);
|
||||
awake_poll_interval_ = -1;
|
||||
wakealarm_wake_interval_ = healthd_config_.periodic_chores_interval_fast;
|
||||
}
|
||||
|
||||
HealthLoop::~HealthLoop() {
|
||||
LOG(FATAL) << "HealthLoop cannot be destroyed";
|
||||
}
|
||||
|
||||
int HealthLoop::RegisterEvent(int fd, BoundFunction func, EventWakeup wakeup) {
|
||||
CHECK(!reject_event_register_);
|
||||
|
||||
auto* event_handler =
|
||||
event_handlers_
|
||||
.emplace_back(std::make_unique<EventHandler>(EventHandler{this, fd, func}))
|
||||
.get();
|
||||
|
||||
struct epoll_event ev;
|
||||
|
||||
ev.events = EPOLLIN;
|
||||
|
||||
if (wakeup == EVENT_WAKEUP_FD) ev.events |= EPOLLWAKEUP;
|
||||
|
||||
ev.data.ptr = reinterpret_cast<void*>(event_handler);
|
||||
|
||||
if (epoll_ctl(epollfd_, EPOLL_CTL_ADD, fd, &ev) == -1) {
|
||||
KLOG_ERROR(LOG_TAG, "epoll_ctl failed; errno=%d\n", errno);
|
||||
return -1;
|
||||
}
|
||||
|
||||
return 0;
|
||||
}
|
||||
|
||||
void HealthLoop::WakeAlarmSetInterval(int interval) {
|
||||
struct itimerspec itval;
|
||||
|
||||
if (wakealarm_fd_ == -1) return;
|
||||
|
||||
wakealarm_wake_interval_ = interval;
|
||||
|
||||
if (interval == -1) interval = 0;
|
||||
|
||||
itval.it_interval.tv_sec = interval;
|
||||
itval.it_interval.tv_nsec = 0;
|
||||
itval.it_value.tv_sec = interval;
|
||||
itval.it_value.tv_nsec = 0;
|
||||
|
||||
if (timerfd_settime(wakealarm_fd_, 0, &itval, NULL) == -1)
|
||||
KLOG_ERROR(LOG_TAG, "wakealarm_set_interval: timerfd_settime failed\n");
|
||||
}
|
||||
|
||||
void HealthLoop::AdjustWakealarmPeriods(bool charger_online) {
|
||||
// Fast wake interval when on charger (watch for overheat);
|
||||
// slow wake interval when on battery (watch for drained battery).
|
||||
|
||||
int new_wake_interval = charger_online ? healthd_config_.periodic_chores_interval_fast
|
||||
: healthd_config_.periodic_chores_interval_slow;
|
||||
|
||||
if (new_wake_interval != wakealarm_wake_interval_) WakeAlarmSetInterval(new_wake_interval);
|
||||
|
||||
// During awake periods poll at fast rate. If wake alarm is set at fast
|
||||
// rate then just use the alarm; if wake alarm is set at slow rate then
|
||||
// poll at fast rate while awake and let alarm wake up at slow rate when
|
||||
// asleep.
|
||||
|
||||
if (healthd_config_.periodic_chores_interval_fast == -1)
|
||||
awake_poll_interval_ = -1;
|
||||
else
|
||||
awake_poll_interval_ = new_wake_interval == healthd_config_.periodic_chores_interval_fast
|
||||
? -1
|
||||
: healthd_config_.periodic_chores_interval_fast * 1000;
|
||||
}
|
||||
|
||||
void HealthLoop::PeriodicChores() {
|
||||
ScheduleBatteryUpdate();
|
||||
}
|
||||
|
||||
// TODO(b/140330870): Use BPF instead.
|
||||
#define UEVENT_MSG_LEN 2048
|
||||
void HealthLoop::UeventEvent(uint32_t /*epevents*/) {
|
||||
// No need to lock because uevent_fd_ is guaranteed to be initialized.
|
||||
|
||||
char msg[UEVENT_MSG_LEN + 2];
|
||||
char* cp;
|
||||
int n;
|
||||
|
||||
n = uevent_kernel_multicast_recv(uevent_fd_, msg, UEVENT_MSG_LEN);
|
||||
if (n <= 0) return;
|
||||
if (n >= UEVENT_MSG_LEN) /* overflow -- discard */
|
||||
return;
|
||||
|
||||
msg[n] = '\0';
|
||||
msg[n + 1] = '\0';
|
||||
cp = msg;
|
||||
|
||||
while (*cp) {
|
||||
if (!strcmp(cp, "SUBSYSTEM=" POWER_SUPPLY_SUBSYSTEM)) {
|
||||
ScheduleBatteryUpdate();
|
||||
break;
|
||||
}
|
||||
|
||||
/* advance to after the next \0 */
|
||||
while (*cp++)
|
||||
;
|
||||
}
|
||||
}
|
||||
|
||||
void HealthLoop::UeventInit(void) {
|
||||
uevent_fd_.reset(uevent_open_socket(64 * 1024, true));
|
||||
|
||||
if (uevent_fd_ < 0) {
|
||||
KLOG_ERROR(LOG_TAG, "uevent_init: uevent_open_socket failed\n");
|
||||
return;
|
||||
}
|
||||
|
||||
fcntl(uevent_fd_, F_SETFL, O_NONBLOCK);
|
||||
if (RegisterEvent(uevent_fd_, &HealthLoop::UeventEvent, EVENT_WAKEUP_FD))
|
||||
KLOG_ERROR(LOG_TAG, "register for uevent events failed\n");
|
||||
}
|
||||
|
||||
void HealthLoop::WakeAlarmEvent(uint32_t /*epevents*/) {
|
||||
// No need to lock because wakealarm_fd_ is guaranteed to be initialized.
|
||||
|
||||
unsigned long long wakeups;
|
||||
|
||||
if (read(wakealarm_fd_, &wakeups, sizeof(wakeups)) == -1) {
|
||||
KLOG_ERROR(LOG_TAG, "wakealarm_event: read wakealarm fd failed\n");
|
||||
return;
|
||||
}
|
||||
|
||||
PeriodicChores();
|
||||
}
|
||||
|
||||
void HealthLoop::WakeAlarmInit(void) {
|
||||
wakealarm_fd_.reset(timerfd_create(CLOCK_BOOTTIME_ALARM, TFD_NONBLOCK));
|
||||
if (wakealarm_fd_ == -1) {
|
||||
KLOG_ERROR(LOG_TAG, "wakealarm_init: timerfd_create failed\n");
|
||||
return;
|
||||
}
|
||||
|
||||
if (RegisterEvent(wakealarm_fd_, &HealthLoop::WakeAlarmEvent, EVENT_WAKEUP_FD))
|
||||
KLOG_ERROR(LOG_TAG, "Registration of wakealarm event failed\n");
|
||||
|
||||
WakeAlarmSetInterval(healthd_config_.periodic_chores_interval_fast);
|
||||
}
|
||||
|
||||
void HealthLoop::MainLoop(void) {
|
||||
int nevents = 0;
|
||||
while (1) {
|
||||
reject_event_register_ = true;
|
||||
size_t eventct = event_handlers_.size();
|
||||
struct epoll_event events[eventct];
|
||||
int timeout = awake_poll_interval_;
|
||||
|
||||
int mode_timeout;
|
||||
|
||||
/* Don't wait for first timer timeout to run periodic chores */
|
||||
if (!nevents) PeriodicChores();
|
||||
|
||||
Heartbeat();
|
||||
|
||||
mode_timeout = PrepareToWait();
|
||||
if (timeout < 0 || (mode_timeout > 0 && mode_timeout < timeout)) timeout = mode_timeout;
|
||||
nevents = epoll_wait(epollfd_, events, eventct, timeout);
|
||||
if (nevents == -1) {
|
||||
if (errno == EINTR) continue;
|
||||
KLOG_ERROR(LOG_TAG, "healthd_mainloop: epoll_wait failed\n");
|
||||
break;
|
||||
}
|
||||
|
||||
for (int n = 0; n < nevents; ++n) {
|
||||
if (events[n].data.ptr) {
|
||||
auto* event_handler = reinterpret_cast<EventHandler*>(events[n].data.ptr);
|
||||
event_handler->func(event_handler->object, events[n].events);
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
return;
|
||||
}
|
||||
|
||||
int HealthLoop::InitInternal() {
|
||||
epollfd_.reset(epoll_create1(EPOLL_CLOEXEC));
|
||||
if (epollfd_ == -1) {
|
||||
KLOG_ERROR(LOG_TAG, "epoll_create1 failed; errno=%d\n", errno);
|
||||
return -1;
|
||||
}
|
||||
|
||||
// Call subclass's init for any additional init steps.
|
||||
// Note that healthd_config_ is initialized before wakealarm_fd_; see
|
||||
// AdjustUeventWakealarmPeriods().
|
||||
Init(&healthd_config_);
|
||||
|
||||
WakeAlarmInit();
|
||||
UeventInit();
|
||||
|
||||
return 0;
|
||||
}
|
||||
|
||||
int HealthLoop::StartLoop() {
|
||||
int ret;
|
||||
|
||||
klog_set_level(KLOG_LEVEL);
|
||||
|
||||
ret = InitInternal();
|
||||
if (ret) {
|
||||
KLOG_ERROR(LOG_TAG, "Initialization failed, exiting\n");
|
||||
return 2;
|
||||
}
|
||||
|
||||
MainLoop();
|
||||
KLOG_ERROR(LOG_TAG, "Main loop terminated, exiting\n");
|
||||
return 3;
|
||||
}
|
||||
|
||||
} // namespace health
|
||||
} // namespace hardware
|
||||
} // namespace android
|
108
health/utils/libhealthloop/include/health/HealthLoop.h
Normal file
108
health/utils/libhealthloop/include/health/HealthLoop.h
Normal file
|
@ -0,0 +1,108 @@
|
|||
/*
|
||||
* Copyright (C) 2019 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 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.
|
||||
*/
|
||||
#pragma once
|
||||
|
||||
#include <memory>
|
||||
#include <mutex>
|
||||
#include <vector>
|
||||
|
||||
#include <android-base/unique_fd.h>
|
||||
#include <healthd/healthd.h>
|
||||
|
||||
namespace android {
|
||||
namespace hardware {
|
||||
namespace health {
|
||||
|
||||
class HealthLoop {
|
||||
public:
|
||||
HealthLoop();
|
||||
|
||||
// Client is responsible for holding this forever. Process will exit
|
||||
// when this is destroyed.
|
||||
virtual ~HealthLoop();
|
||||
|
||||
// Initialize and start the main loop. This function does not exit unless
|
||||
// the process is interrupted.
|
||||
// Once the loop is started, event handlers are no longer allowed to be
|
||||
// registered.
|
||||
int StartLoop();
|
||||
|
||||
protected:
|
||||
// healthd_mode_ops overrides. Note that healthd_mode_ops->battery_update
|
||||
// is missing because it is only used by BatteryMonitor.
|
||||
// Init is called right after epollfd_ is initialized (so RegisterEvent
|
||||
// is allowed) but before other things are initialized (so SetChargerOnline
|
||||
// is not allowed.)
|
||||
virtual void Init(healthd_config* config) = 0;
|
||||
virtual void Heartbeat() = 0;
|
||||
virtual int PrepareToWait() = 0;
|
||||
|
||||
// Note that this is NOT healthd_mode_ops->battery_update(BatteryProperties*),
|
||||
// which is called by BatteryMonitor after values are fetched. This is the
|
||||
// implementation of healthd_battery_update(), which calls
|
||||
// the correct IHealth::update(),
|
||||
// which calls BatteryMonitor::update(), which calls
|
||||
// healthd_mode_ops->battery_update(BatteryProperties*).
|
||||
virtual void ScheduleBatteryUpdate() = 0;
|
||||
|
||||
// Register an epoll event. When there is an event, |func| will be
|
||||
// called with |this| as the first argument and |epevents| as the second.
|
||||
// This may be called in a different thread from where StartLoop is called
|
||||
// (for obvious reasons; StartLoop never ends).
|
||||
// Once the loop is started, event handlers are no longer allowed to be
|
||||
// registered.
|
||||
using BoundFunction = std::function<void(HealthLoop*, uint32_t /* epevents */)>;
|
||||
int RegisterEvent(int fd, BoundFunction func, EventWakeup wakeup);
|
||||
|
||||
// Helper for implementing ScheduleBatteryUpdate(). An implementation of
|
||||
// ScheduleBatteryUpdate should get charger_online from BatteryMonitor::update(),
|
||||
// then reset wake alarm interval by calling AdjustWakealarmPeriods.
|
||||
void AdjustWakealarmPeriods(bool charger_online);
|
||||
|
||||
private:
|
||||
struct EventHandler {
|
||||
HealthLoop* object = nullptr;
|
||||
int fd;
|
||||
BoundFunction func;
|
||||
};
|
||||
|
||||
int InitInternal();
|
||||
void MainLoop();
|
||||
void WakeAlarmInit();
|
||||
void WakeAlarmEvent(uint32_t);
|
||||
void UeventInit();
|
||||
void UeventEvent(uint32_t);
|
||||
void WakeAlarmSetInterval(int interval);
|
||||
void PeriodicChores();
|
||||
|
||||
// These are fixed after InitInternal() is called.
|
||||
struct healthd_config healthd_config_;
|
||||
android::base::unique_fd wakealarm_fd_;
|
||||
android::base::unique_fd uevent_fd_;
|
||||
|
||||
android::base::unique_fd epollfd_;
|
||||
std::vector<std::unique_ptr<EventHandler>> event_handlers_;
|
||||
int awake_poll_interval_; // -1 for no epoll timeout
|
||||
int wakealarm_wake_interval_;
|
||||
|
||||
// If set to true, future RegisterEvent() will be rejected. This is to ensure all
|
||||
// events are registered before StartLoop().
|
||||
bool reject_event_register_ = false;
|
||||
};
|
||||
|
||||
} // namespace health
|
||||
} // namespace hardware
|
||||
} // namespace android
|
28
health/utils/libhealthloop/include/health/utils.h
Normal file
28
health/utils/libhealthloop/include/health/utils.h
Normal file
|
@ -0,0 +1,28 @@
|
|||
/*
|
||||
* Copyright (C) 2019 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 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.
|
||||
*/
|
||||
#pragma once
|
||||
|
||||
#include <healthd/healthd.h>
|
||||
|
||||
namespace android {
|
||||
namespace hardware {
|
||||
namespace health {
|
||||
|
||||
void InitHealthdConfig(struct healthd_config* healthd_config);
|
||||
|
||||
} // namespace health
|
||||
} // namespace hardware
|
||||
} // namespace android
|
51
health/utils/libhealthloop/utils.cpp
Normal file
51
health/utils/libhealthloop/utils.cpp
Normal file
|
@ -0,0 +1,51 @@
|
|||
/*
|
||||
* Copyright (C) 2019 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 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 <health/utils.h>
|
||||
namespace android {
|
||||
namespace hardware {
|
||||
namespace health {
|
||||
|
||||
// Periodic chores fast interval in seconds
|
||||
#define DEFAULT_PERIODIC_CHORES_INTERVAL_FAST (60 * 1)
|
||||
// Periodic chores fast interval in seconds
|
||||
#define DEFAULT_PERIODIC_CHORES_INTERVAL_SLOW (60 * 10)
|
||||
|
||||
void InitHealthdConfig(struct healthd_config* healthd_config) {
|
||||
*healthd_config = {
|
||||
.periodic_chores_interval_fast = DEFAULT_PERIODIC_CHORES_INTERVAL_FAST,
|
||||
.periodic_chores_interval_slow = DEFAULT_PERIODIC_CHORES_INTERVAL_SLOW,
|
||||
.batteryStatusPath = String8(String8::kEmptyString),
|
||||
.batteryHealthPath = String8(String8::kEmptyString),
|
||||
.batteryPresentPath = String8(String8::kEmptyString),
|
||||
.batteryCapacityPath = String8(String8::kEmptyString),
|
||||
.batteryVoltagePath = String8(String8::kEmptyString),
|
||||
.batteryTemperaturePath = String8(String8::kEmptyString),
|
||||
.batteryTechnologyPath = String8(String8::kEmptyString),
|
||||
.batteryCurrentNowPath = String8(String8::kEmptyString),
|
||||
.batteryCurrentAvgPath = String8(String8::kEmptyString),
|
||||
.batteryChargeCounterPath = String8(String8::kEmptyString),
|
||||
.batteryFullChargePath = String8(String8::kEmptyString),
|
||||
.batteryCycleCountPath = String8(String8::kEmptyString),
|
||||
.energyCounter = NULL,
|
||||
.boot_min_cap = 0,
|
||||
.screen_on = NULL,
|
||||
};
|
||||
}
|
||||
|
||||
} // namespace health
|
||||
} // namespace hardware
|
||||
} // namespace android
|
Loading…
Reference in a new issue