android_device_lenovo_karate/gps/core/LocDualContext.cpp

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/* Copyright (c) 2011-2014, The Linux Foundation. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are
* met:
* * Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* * Redistributions in binary form must reproduce the above
* copyright notice, this list of conditions and the following
* disclaimer in the documentation and/or other materials provided
* with the distribution.
* * Neither the name of The Linux Foundation, nor the names of its
* contributors may be used to endorse or promote products derived
* from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED "AS IS" AND ANY EXPRESS OR IMPLIED
* WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT
* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS
* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR
* BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
* WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE
* OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN
* IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*
*/
#define LOG_NDDEBUG 0
#define LOG_TAG "LocSvc_DualCtx"
#include <cutils/sched_policy.h>
#include <unistd.h>
#include <LocDualContext.h>
#include <msg_q.h>
#include <log_util.h>
#include <loc_log.h>
namespace loc_core {
// nothing exclude for foreground
const LOC_API_ADAPTER_EVENT_MASK_T
LocDualContext::mFgExclMask = 0;
// excluded events for background clients
const LOC_API_ADAPTER_EVENT_MASK_T
LocDualContext::mBgExclMask =
(LOC_API_ADAPTER_BIT_PARSED_POSITION_REPORT |
LOC_API_ADAPTER_BIT_SATELLITE_REPORT |
LOC_API_ADAPTER_BIT_NMEA_1HZ_REPORT |
LOC_API_ADAPTER_BIT_NMEA_POSITION_REPORT |
LOC_API_ADAPTER_BIT_IOCTL_REPORT |
LOC_API_ADAPTER_BIT_STATUS_REPORT |
LOC_API_ADAPTER_BIT_GEOFENCE_GEN_ALERT |
LOC_API_ADAPTER_BIT_GNSS_MEASUREMENT);
const MsgTask* LocDualContext::mMsgTask = NULL;
ContextBase* LocDualContext::mFgContext = NULL;
ContextBase* LocDualContext::mBgContext = NULL;
ContextBase* LocDualContext::mInjectContext = NULL;
// the name must be shorter than 15 chars
const char* LocDualContext::mLocationHalName = "Loc_hal_worker";
const char* LocDualContext::mLBSLibName = "liblbs_core.so";
pthread_mutex_t LocDualContext::mGetLocContextMutex = PTHREAD_MUTEX_INITIALIZER;
const MsgTask* LocDualContext::getMsgTask(LocThread::tCreate tCreator,
const char* name, bool joinable)
{
if (NULL == mMsgTask) {
mMsgTask = new MsgTask(tCreator, name, joinable);
}
return mMsgTask;
}
inline
const MsgTask* LocDualContext::getMsgTask(const char* name, bool joinable) {
return getMsgTask((LocThread::tCreate)NULL, name, joinable);
}
ContextBase* LocDualContext::getLocFgContext(LocThread::tCreate tCreator,
LocMsg* firstMsg, const char* name, bool joinable)
{
pthread_mutex_lock(&LocDualContext::mGetLocContextMutex);
LOC_LOGD("%s:%d]: querying ContextBase with tCreator", __func__, __LINE__);
if (NULL == mFgContext) {
LOC_LOGD("%s:%d]: creating msgTask with tCreator", __func__, __LINE__);
const MsgTask* msgTask = getMsgTask(tCreator, name, joinable);
mFgContext = new LocDualContext(msgTask,
mFgExclMask);
}
if(NULL == mInjectContext) {
LOC_LOGD("%s:%d]: mInjectContext is FgContext", __func__, __LINE__);
mInjectContext = mFgContext;
injectFeatureConfig(mInjectContext);
}
pthread_mutex_unlock(&LocDualContext::mGetLocContextMutex);
if (firstMsg) {
mFgContext->sendMsg(firstMsg);
}
return mFgContext;
}
ContextBase* LocDualContext::getLocBgContext(LocThread::tCreate tCreator,
LocMsg* firstMsg, const char* name, bool joinable)
{
pthread_mutex_lock(&LocDualContext::mGetLocContextMutex);
LOC_LOGD("%s:%d]: querying ContextBase with tCreator", __func__, __LINE__);
if (NULL == mBgContext) {
LOC_LOGD("%s:%d]: creating msgTask with tCreator", __func__, __LINE__);
const MsgTask* msgTask = getMsgTask(tCreator, name, joinable);
mBgContext = new LocDualContext(msgTask,
mBgExclMask);
}
if(NULL == mInjectContext) {
LOC_LOGD("%s:%d]: mInjectContext is BgContext", __func__, __LINE__);
mInjectContext = mBgContext;
injectFeatureConfig(mInjectContext);
}
pthread_mutex_unlock(&LocDualContext::mGetLocContextMutex);
if (firstMsg) {
mBgContext->sendMsg(firstMsg);
}
return mBgContext;
}
void LocDualContext :: injectFeatureConfig(ContextBase *curContext)
{
LOC_LOGD("%s:%d]: Enter", __func__, __LINE__);
if(curContext == mInjectContext) {
LOC_LOGD("%s:%d]: Calling LBSProxy (%p) to inject feature config",
__func__, __LINE__, ((LocDualContext *)mInjectContext)->mLBSProxy);
((LocDualContext *)mInjectContext)->mLBSProxy->injectFeatureConfig(curContext);
}
LOC_LOGD("%s:%d]: Exit", __func__, __LINE__);
}
LocDualContext::LocDualContext(const MsgTask* msgTask,
LOC_API_ADAPTER_EVENT_MASK_T exMask) :
ContextBase(msgTask, exMask, mLBSLibName)
{
}
}