1 /* Copyright (c) 2011-2014, The Linux Foundation. All rights reserved. 2 * 3 * Redistribution and use in source and binary forms, with or without 4 * modification, are permitted provided that the following conditions are 5 * met: 6 * * Redistributions of source code must retain the above copyright 7 * notice, this list of conditions and the following disclaimer. 8 * * Redistributions in binary form must reproduce the above 9 * copyright notice, this list of conditions and the following 10 * disclaimer in the documentation and/or other materials provided 11 * with the distribution. 12 * * Neither the name of The Linux Foundation, nor the names of its 13 * contributors may be used to endorse or promote products derived 14 * from this software without specific prior written permission. 15 * 16 * THIS SOFTWARE IS PROVIDED "AS IS" AND ANY EXPRESS OR IMPLIED 17 * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF 18 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT 19 * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS 20 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 21 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 22 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR 23 * BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, 24 * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE 25 * OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN 26 * IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 27 * 28 */ 29 #define LOG_NDDEBUG 0 30 #define LOG_TAG "LocSvc_DualCtx" 31 32 #include <cutils/sched_policy.h> 33 #include <unistd.h> 34 #include <LocDualContext.h> 35 #include <msg_q.h> 36 #include <log_util.h> 37 #include <loc_log.h> 38 39 namespace loc_core { 40 41 // nothing exclude for foreground 42 const LOC_API_ADAPTER_EVENT_MASK_T 43 LocDualContext::mFgExclMask = 0; 44 // excluded events for background clients 45 const LOC_API_ADAPTER_EVENT_MASK_T 46 LocDualContext::mBgExclMask = 47 (LOC_API_ADAPTER_BIT_PARSED_POSITION_REPORT | 48 LOC_API_ADAPTER_BIT_SATELLITE_REPORT | 49 LOC_API_ADAPTER_BIT_NMEA_1HZ_REPORT | 50 LOC_API_ADAPTER_BIT_NMEA_POSITION_REPORT | 51 LOC_API_ADAPTER_BIT_IOCTL_REPORT | 52 LOC_API_ADAPTER_BIT_STATUS_REPORT | 53 LOC_API_ADAPTER_BIT_GEOFENCE_GEN_ALERT | 54 LOC_API_ADAPTER_BIT_GNSS_MEASUREMENT); 55 56 const MsgTask* LocDualContext::mMsgTask = NULL; 57 ContextBase* LocDualContext::mFgContext = NULL; 58 ContextBase* LocDualContext::mBgContext = NULL; 59 ContextBase* LocDualContext::mInjectContext = NULL; 60 // the name must be shorter than 15 chars 61 const char* LocDualContext::mLocationHalName = "Loc_hal_worker"; 62 const char* LocDualContext::mLBSLibName = "liblbs_core.so"; 63 64 pthread_mutex_t LocDualContext::mGetLocContextMutex = PTHREAD_MUTEX_INITIALIZER; 65 66 const MsgTask* LocDualContext::getMsgTask(MsgTask::tCreate tCreator, 67 const char* name) 68 { 69 if (NULL == mMsgTask) { 70 mMsgTask = new MsgTask(tCreator, name); 71 } 72 return mMsgTask; 73 } 74 75 const MsgTask* LocDualContext::getMsgTask(MsgTask::tAssociate tAssociate, 76 const char* name) 77 { 78 if (NULL == mMsgTask) { 79 mMsgTask = new MsgTask(tAssociate, name); 80 } else if (tAssociate) { 81 mMsgTask->associate(tAssociate); 82 } 83 return mMsgTask; 84 } 85 86 ContextBase* LocDualContext::getLocFgContext(MsgTask::tCreate tCreator, 87 const char* name) 88 { 89 pthread_mutex_lock(&LocDualContext::mGetLocContextMutex); 90 LOC_LOGD("%s:%d]: querying ContextBase with tCreator", __func__, __LINE__); 91 if (NULL == mFgContext) { 92 LOC_LOGD("%s:%d]: creating msgTask with tCreator", __func__, __LINE__); 93 const MsgTask* msgTask = getMsgTask(tCreator, name); 94 mFgContext = new LocDualContext(msgTask, 95 mFgExclMask); 96 } 97 if(NULL == mInjectContext) { 98 LOC_LOGD("%s:%d]: mInjectContext is FgContext", __func__, __LINE__); 99 mInjectContext = mFgContext; 100 injectFeatureConfig(mInjectContext); 101 } 102 pthread_mutex_unlock(&LocDualContext::mGetLocContextMutex); 103 return mFgContext; 104 } 105 106 ContextBase* LocDualContext::getLocFgContext(MsgTask::tAssociate tAssociate, 107 const char* name) 108 { 109 pthread_mutex_lock(&LocDualContext::mGetLocContextMutex); 110 LOC_LOGD("%s:%d]: querying ContextBase with tAssociate", __func__, __LINE__); 111 if (NULL == mFgContext) { 112 LOC_LOGD("%s:%d]: creating msgTask with tAssociate", __func__, __LINE__); 113 const MsgTask* msgTask = getMsgTask(tAssociate, name); 114 mFgContext = new LocDualContext(msgTask, 115 mFgExclMask); 116 } 117 if(NULL == mInjectContext) { 118 LOC_LOGD("%s:%d]: mInjectContext is FgContext", __func__, __LINE__); 119 mInjectContext = mFgContext; 120 injectFeatureConfig(mInjectContext); 121 } 122 pthread_mutex_unlock(&LocDualContext::mGetLocContextMutex); 123 return mFgContext; 124 } 125 126 ContextBase* LocDualContext::getLocBgContext(MsgTask::tCreate tCreator, 127 const char* name) 128 { 129 pthread_mutex_lock(&LocDualContext::mGetLocContextMutex); 130 LOC_LOGD("%s:%d]: querying ContextBase with tCreator", __func__, __LINE__); 131 if (NULL == mBgContext) { 132 LOC_LOGD("%s:%d]: creating msgTask with tCreator", __func__, __LINE__); 133 const MsgTask* msgTask = getMsgTask(tCreator, name); 134 mBgContext = new LocDualContext(msgTask, 135 mBgExclMask); 136 } 137 if(NULL == mInjectContext) { 138 LOC_LOGD("%s:%d]: mInjectContext is BgContext", __func__, __LINE__); 139 mInjectContext = mBgContext; 140 injectFeatureConfig(mInjectContext); 141 } 142 pthread_mutex_unlock(&LocDualContext::mGetLocContextMutex); 143 return mBgContext; 144 } 145 146 ContextBase* LocDualContext::getLocBgContext(MsgTask::tAssociate tAssociate, 147 const char* name) 148 { 149 pthread_mutex_lock(&LocDualContext::mGetLocContextMutex); 150 LOC_LOGD("%s:%d]: querying ContextBase with tAssociate", __func__, __LINE__); 151 if (NULL == mBgContext) { 152 LOC_LOGD("%s:%d]: creating msgTask with tAssociate", __func__, __LINE__); 153 const MsgTask* msgTask = getMsgTask(tAssociate, name); 154 mBgContext = new LocDualContext(msgTask, 155 mBgExclMask); 156 } 157 if(NULL == mInjectContext) { 158 LOC_LOGD("%s:%d]: mInjectContext is BgContext", __func__, __LINE__); 159 mInjectContext = mBgContext; 160 injectFeatureConfig(mInjectContext); 161 } 162 pthread_mutex_unlock(&LocDualContext::mGetLocContextMutex); 163 return mBgContext; 164 } 165 166 void LocDualContext :: injectFeatureConfig(ContextBase *curContext) 167 { 168 LOC_LOGD("%s:%d]: Enter", __func__, __LINE__); 169 if(curContext == mInjectContext) { 170 LOC_LOGD("%s:%d]: Calling LBSProxy (%p) to inject feature config", 171 __func__, __LINE__, ((LocDualContext *)mInjectContext)->mLBSProxy); 172 ((LocDualContext *)mInjectContext)->mLBSProxy->injectFeatureConfig(curContext); 173 } 174 LOC_LOGD("%s:%d]: Exit", __func__, __LINE__); 175 } 176 177 LocDualContext::LocDualContext(const MsgTask* msgTask, 178 LOC_API_ADAPTER_EVENT_MASK_T exMask) : 179 ContextBase(msgTask, exMask, mLBSLibName) 180 { 181 } 182 183 } 184