1 /* Copyright (c) 2011-2014, 2016-2017 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_NDEBUG 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 <platform_lib_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_SATELLITE_REPORT |
48 LOC_API_ADAPTER_BIT_NMEA_1HZ_REPORT |
49 LOC_API_ADAPTER_BIT_NMEA_POSITION_REPORT |
50 LOC_API_ADAPTER_BIT_IOCTL_REPORT |
51 LOC_API_ADAPTER_BIT_STATUS_REPORT |
52 LOC_API_ADAPTER_BIT_GEOFENCE_GEN_ALERT |
53 LOC_API_ADAPTER_BIT_GNSS_MEASUREMENT);
54
55 const MsgTask* LocDualContext::mMsgTask = NULL;
56 ContextBase* LocDualContext::mFgContext = NULL;
57 ContextBase* LocDualContext::mBgContext = NULL;
58 ContextBase* LocDualContext::mInjectContext = NULL;
59 // the name must be shorter than 15 chars
60 const char* LocDualContext::mLocationHalName = "Loc_hal_worker";
61 #ifndef USE_GLIB
62 const char* LocDualContext::mLBSLibName = "liblbs_core.so";
63 #else
64 const char* LocDualContext::mLBSLibName = "liblbs_core.so.1";
65 #endif
66
67 pthread_mutex_t LocDualContext::mGetLocContextMutex = PTHREAD_MUTEX_INITIALIZER;
68
getMsgTask(LocThread::tCreate tCreator,const char * name,bool joinable)69 const MsgTask* LocDualContext::getMsgTask(LocThread::tCreate tCreator,
70 const char* name, bool joinable)
71 {
72 if (NULL == mMsgTask) {
73 mMsgTask = new MsgTask(tCreator, name, joinable);
74 }
75 return mMsgTask;
76 }
77
78 inline
getMsgTask(const char * name,bool joinable)79 const MsgTask* LocDualContext::getMsgTask(const char* name, bool joinable) {
80 return getMsgTask((LocThread::tCreate)NULL, name, joinable);
81 }
82
getLocFgContext(LocThread::tCreate tCreator,LocMsg * firstMsg,const char * name,bool joinable)83 ContextBase* LocDualContext::getLocFgContext(LocThread::tCreate tCreator,
84 LocMsg* firstMsg, const char* name, bool joinable)
85 {
86 pthread_mutex_lock(&LocDualContext::mGetLocContextMutex);
87 LOC_LOGD("%s:%d]: querying ContextBase with tCreator", __func__, __LINE__);
88 if (NULL == mFgContext) {
89 LOC_LOGD("%s:%d]: creating msgTask with tCreator", __func__, __LINE__);
90 const MsgTask* msgTask = getMsgTask(tCreator, name, joinable);
91 mFgContext = new LocDualContext(msgTask,
92 mFgExclMask);
93 }
94 if(NULL == mInjectContext) {
95 LOC_LOGD("%s:%d]: mInjectContext is FgContext", __func__, __LINE__);
96 mInjectContext = mFgContext;
97 injectFeatureConfig(mInjectContext);
98 }
99 pthread_mutex_unlock(&LocDualContext::mGetLocContextMutex);
100
101 if (firstMsg) {
102 mFgContext->sendMsg(firstMsg);
103 }
104
105 return mFgContext;
106 }
107
getLocBgContext(LocThread::tCreate tCreator,LocMsg * firstMsg,const char * name,bool joinable)108 ContextBase* LocDualContext::getLocBgContext(LocThread::tCreate tCreator,
109 LocMsg* firstMsg, const char* name, bool joinable)
110 {
111 pthread_mutex_lock(&LocDualContext::mGetLocContextMutex);
112 LOC_LOGD("%s:%d]: querying ContextBase with tCreator", __func__, __LINE__);
113 if (NULL == mBgContext) {
114 LOC_LOGD("%s:%d]: creating msgTask with tCreator", __func__, __LINE__);
115 const MsgTask* msgTask = getMsgTask(tCreator, name, joinable);
116 mBgContext = new LocDualContext(msgTask,
117 mBgExclMask);
118 }
119 if(NULL == mInjectContext) {
120 LOC_LOGD("%s:%d]: mInjectContext is BgContext", __func__, __LINE__);
121 mInjectContext = mBgContext;
122 injectFeatureConfig(mInjectContext);
123 }
124 pthread_mutex_unlock(&LocDualContext::mGetLocContextMutex);
125
126 if (firstMsg) {
127 mBgContext->sendMsg(firstMsg);
128 }
129
130 return mBgContext;
131 }
132
injectFeatureConfig(ContextBase * curContext)133 void LocDualContext :: injectFeatureConfig(ContextBase *curContext)
134 {
135 LOC_LOGD("%s:%d]: Enter", __func__, __LINE__);
136 if(curContext == mInjectContext) {
137 LOC_LOGD("%s:%d]: Calling LBSProxy (%p) to inject feature config",
138 __func__, __LINE__, ((LocDualContext *)mInjectContext)->mLBSProxy);
139 ((LocDualContext *)mInjectContext)->mLBSProxy->injectFeatureConfig(curContext);
140 }
141 LOC_LOGD("%s:%d]: Exit", __func__, __LINE__);
142 }
143
LocDualContext(const MsgTask * msgTask,LOC_API_ADAPTER_EVENT_MASK_T exMask)144 LocDualContext::LocDualContext(const MsgTask* msgTask,
145 LOC_API_ADAPTER_EVENT_MASK_T exMask) :
146 ContextBase(msgTask, exMask, mLBSLibName)
147 {
148 }
149
150 }
151