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
getMsgTask(LocThread::tCreate tCreator,const char * name,bool joinable)66 const MsgTask* LocDualContext::getMsgTask(LocThread::tCreate tCreator,
67 const char* name, bool joinable)
68 {
69 if (NULL == mMsgTask) {
70 mMsgTask = new MsgTask(tCreator, name, joinable);
71 }
72 return mMsgTask;
73 }
74
75 inline
getMsgTask(const char * name,bool joinable)76 const MsgTask* LocDualContext::getMsgTask(const char* name, bool joinable) {
77 return getMsgTask((LocThread::tCreate)NULL, name, joinable);
78 }
79
getLocFgContext(LocThread::tCreate tCreator,LocMsg * firstMsg,const char * name,bool joinable)80 ContextBase* LocDualContext::getLocFgContext(LocThread::tCreate tCreator,
81 LocMsg* firstMsg, const char* name, bool joinable)
82 {
83 pthread_mutex_lock(&LocDualContext::mGetLocContextMutex);
84 LOC_LOGD("%s:%d]: querying ContextBase with tCreator", __func__, __LINE__);
85 if (NULL == mFgContext) {
86 LOC_LOGD("%s:%d]: creating msgTask with tCreator", __func__, __LINE__);
87 const MsgTask* msgTask = getMsgTask(tCreator, name, joinable);
88 mFgContext = new LocDualContext(msgTask,
89 mFgExclMask);
90 }
91 if(NULL == mInjectContext) {
92 LOC_LOGD("%s:%d]: mInjectContext is FgContext", __func__, __LINE__);
93 mInjectContext = mFgContext;
94 injectFeatureConfig(mInjectContext);
95 }
96 pthread_mutex_unlock(&LocDualContext::mGetLocContextMutex);
97
98 if (firstMsg) {
99 mFgContext->sendMsg(firstMsg);
100 }
101
102 return mFgContext;
103 }
104
getLocBgContext(LocThread::tCreate tCreator,LocMsg * firstMsg,const char * name,bool joinable)105 ContextBase* LocDualContext::getLocBgContext(LocThread::tCreate tCreator,
106 LocMsg* firstMsg, const char* name, bool joinable)
107 {
108 pthread_mutex_lock(&LocDualContext::mGetLocContextMutex);
109 LOC_LOGD("%s:%d]: querying ContextBase with tCreator", __func__, __LINE__);
110 if (NULL == mBgContext) {
111 LOC_LOGD("%s:%d]: creating msgTask with tCreator", __func__, __LINE__);
112 const MsgTask* msgTask = getMsgTask(tCreator, name, joinable);
113 mBgContext = new LocDualContext(msgTask,
114 mBgExclMask);
115 }
116 if(NULL == mInjectContext) {
117 LOC_LOGD("%s:%d]: mInjectContext is BgContext", __func__, __LINE__);
118 mInjectContext = mBgContext;
119 injectFeatureConfig(mInjectContext);
120 }
121 pthread_mutex_unlock(&LocDualContext::mGetLocContextMutex);
122
123 if (firstMsg) {
124 mBgContext->sendMsg(firstMsg);
125 }
126
127 return mBgContext;
128 }
129
injectFeatureConfig(ContextBase * curContext)130 void LocDualContext :: injectFeatureConfig(ContextBase *curContext)
131 {
132 LOC_LOGD("%s:%d]: Enter", __func__, __LINE__);
133 if(curContext == mInjectContext) {
134 LOC_LOGD("%s:%d]: Calling LBSProxy (%p) to inject feature config",
135 __func__, __LINE__, ((LocDualContext *)mInjectContext)->mLBSProxy);
136 ((LocDualContext *)mInjectContext)->mLBSProxy->injectFeatureConfig(curContext);
137 }
138 LOC_LOGD("%s:%d]: Exit", __func__, __LINE__);
139 }
140
LocDualContext(const MsgTask * msgTask,LOC_API_ADAPTER_EVENT_MASK_T exMask)141 LocDualContext::LocDualContext(const MsgTask* msgTask,
142 LOC_API_ADAPTER_EVENT_MASK_T exMask) :
143 ContextBase(msgTask, exMask, mLBSLibName)
144 {
145 }
146
147 }
148