1 /* Copyright (c) 2011-2014, 2016-2019 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(LocThread::tCreate tCreator,const char * name,bool joinable)53 const MsgTask* LocContext::getMsgTask(LocThread::tCreate tCreator,
54 const char* name, bool joinable)
55 {
56 if (NULL == mMsgTask) {
57 mMsgTask = new MsgTask(tCreator, name, joinable);
58 }
59 return mMsgTask;
60 }
61
62 inline
getMsgTask(const char * name,bool joinable)63 const MsgTask* LocContext::getMsgTask(const char* name, bool joinable) {
64 return getMsgTask((LocThread::tCreate)NULL, name, joinable);
65 }
66
getLocContext(LocThread::tCreate tCreator,LocMsg * firstMsg,const char * name,bool joinable)67 ContextBase* LocContext::getLocContext(LocThread::tCreate tCreator,
68 LocMsg* firstMsg, const char* name, bool joinable)
69 {
70 pthread_mutex_lock(&LocContext::mGetLocContextMutex);
71 LOC_LOGD("%s:%d]: querying ContextBase with tCreator", __func__, __LINE__);
72 if (NULL == mContext) {
73 LOC_LOGD("%s:%d]: creating msgTask with tCreator", __func__, __LINE__);
74 const MsgTask* msgTask = getMsgTask(tCreator, name, joinable);
75 mContext = new LocContext(msgTask);
76 }
77 pthread_mutex_unlock(&LocContext::mGetLocContextMutex);
78
79 if (firstMsg) {
80 mContext->sendMsg(firstMsg);
81 }
82
83 return mContext;
84 }
85
injectFeatureConfig(ContextBase * curContext)86 void LocContext :: injectFeatureConfig(ContextBase *curContext)
87 {
88 LOC_LOGD("%s:%d]: Calling LBSProxy (%p) to inject feature config",
89 __func__, __LINE__, ((LocContext *)curContext)->mLBSProxy);
90 ((LocContext *)curContext)->mLBSProxy->injectFeatureConfig(curContext);
91 }
92
LocContext(const MsgTask * msgTask)93 LocContext::LocContext(const MsgTask* msgTask) :
94 ContextBase(msgTask, 0, mLBSLibName)
95 {
96 }
97
98 }
99