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1 /* Copyright (c) 2011-2014, 2016-2020 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_Ctx"
31 
32 #include <cutils/sched_policy.h>
33 #include <unistd.h>
34 #include <LocContext.h>
35 #include <msg_q.h>
36 #include <log_util.h>
37 #include <loc_log.h>
38 
39 namespace loc_core {
40 
41 const MsgTask* LocContext::mMsgTask = NULL;
42 ContextBase* LocContext::mContext = NULL;
43 // the name must be shorter than 15 chars
44 const char* LocContext::mLocationHalName = "Loc_hal_worker";
45 #ifndef USE_GLIB
46 const char* LocContext::mLBSLibName = "liblbs_core.so";
47 #else
48 const char* LocContext::mLBSLibName = "liblbs_core.so.1";
49 #endif
50 
51 pthread_mutex_t LocContext::mGetLocContextMutex = PTHREAD_MUTEX_INITIALIZER;
52 
getMsgTask(const char * name)53 const MsgTask* LocContext::getMsgTask(const char* name)
54 {
55     if (NULL == mMsgTask) {
56         mMsgTask = new MsgTask(name);
57     }
58     return mMsgTask;
59 }
60 
getLocContext(const char * name)61 ContextBase* LocContext::getLocContext(const char* name)
62 {
63     pthread_mutex_lock(&LocContext::mGetLocContextMutex);
64     LOC_LOGD("%s:%d]: querying ContextBase with tCreator", __func__, __LINE__);
65     if (NULL == mContext) {
66         LOC_LOGD("%s:%d]: creating msgTask with tCreator", __func__, __LINE__);
67         const MsgTask* msgTask = getMsgTask(name);
68         mContext = new LocContext(msgTask);
69     }
70     pthread_mutex_unlock(&LocContext::mGetLocContextMutex);
71 
72     return mContext;
73 }
74 
injectFeatureConfig(ContextBase * curContext)75 void LocContext :: injectFeatureConfig(ContextBase *curContext)
76 {
77     LOC_LOGD("%s:%d]: Calling LBSProxy (%p) to inject feature config",
78              __func__, __LINE__, ((LocContext *)curContext)->mLBSProxy);
79     ((LocContext *)curContext)->mLBSProxy->injectFeatureConfig(curContext);
80 }
81 
LocContext(const MsgTask * msgTask)82 LocContext::LocContext(const MsgTask* msgTask) :
83     ContextBase(msgTask, 0, mLBSLibName)
84 {
85 }
86 
87 }
88