88 lines
3.2 KiB
C++
88 lines
3.2 KiB
C++
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/* Copyright (c) 2018, The Linux Foundation. All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions are
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* met:
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* * Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* * Redistributions in binary form must reproduce the above
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* copyright notice, this list of conditions and the following
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* disclaimer in the documentation and/or other materials provided
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* with the distribution.
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* * Neither the name of The Linux Foundation, nor the names of its
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* contributors may be used to endorse or promote products derived
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* from this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED "AS IS" AND ANY EXPRESS OR IMPLIED
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* WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
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* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT
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* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS
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* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR
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* BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
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* WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE
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* OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN
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* IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#include <unistd.h>
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#include <PowerEvtHandler.h>
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#include <LocationApiService.h>
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#include <log_util.h>
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#include <syslog.h>
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#define ACK_TIMEOUT_US 300000 // 300 msec
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LocationApiService* PowerEvtHandler::mLocationApiService = nullptr;
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PowerEvtHandler* PowerEvtHandler::getPwrEvtHandler(LocationApiService* locServiceApiObj) {
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mLocationApiService = locServiceApiObj;
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static PowerEvtHandler instance;
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return &instance;
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}
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PowerEvtHandler::PowerEvtHandler() {
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int ret = pwr_state_notification_register(PowerEvtHandler::pwrStateCb);
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syslog(LOG_INFO, "PowerEvtHandler: register api returned: %d", ret);
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}
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PowerEvtHandler::~PowerEvtHandler() {
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}
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int PowerEvtHandler::pwrStateCb(power_state_t pwr_state) {
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client_ack_t client_ack;
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client_ack.ack = ERR;
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PowerStateType powerState = POWER_STATE_UNKNOWN;
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syslog(LOG_INFO, "PowerEvtHandler: pwrStateCb: %d", pwr_state.sys_state);
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switch (pwr_state.sys_state) {
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case SYS_SUSPEND:
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client_ack.ack = SUSPEND_ACK;
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powerState = POWER_STATE_SUSPEND;
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break;
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case SYS_RESUME:
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client_ack.ack = RESUME_ACK;
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powerState = POWER_STATE_RESUME;
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break;
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case SYS_SHUTDOWN:
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client_ack.ack = SHUTDOWN_ACK;
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powerState = POWER_STATE_SHUTDOWN;
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break;
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}
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if (powerState != POWER_STATE_UNKNOWN) {
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if (mLocationApiService) {
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mLocationApiService->onPowerEvent(powerState);
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}
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}
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//Allow some time to stop the session and write calibration data NVM.
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usleep(ACK_TIMEOUT_US);
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syslog(LOG_INFO, "PowerEvtHandler: pwrStateCb sending ack");
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send_acknowledgement(client_ack);
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return 0;
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}
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