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_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 <platform_lib_log_util.h>
37#include <loc_log.h>
38
39namespace loc_core {
40
41// nothing exclude for foreground
42const LOC_API_ADAPTER_EVENT_MASK_T
43LocDualContext::mFgExclMask = 0;
44// excluded events for background clients
45const LOC_API_ADAPTER_EVENT_MASK_T
46LocDualContext::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
55const MsgTask* LocDualContext::mMsgTask = NULL;
56ContextBase* LocDualContext::mFgContext = NULL;
57ContextBase* LocDualContext::mBgContext = NULL;
58ContextBase* LocDualContext::mInjectContext = NULL;
59// the name must be shorter than 15 chars
60const char* LocDualContext::mLocationHalName = "Loc_hal_worker";
61#ifndef USE_GLIB
62const char* LocDualContext::mLBSLibName = "liblbs_core.so";
63#else
64const char* LocDualContext::mLBSLibName = "liblbs_core.so.1";
65#endif
66
67pthread_mutex_t LocDualContext::mGetLocContextMutex = PTHREAD_MUTEX_INITIALIZER;
68
69const 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
78inline
79const MsgTask* LocDualContext::getMsgTask(const char* name, bool joinable) {
80    return getMsgTask((LocThread::tCreate)NULL, name, joinable);
81}
82
83ContextBase* 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
108ContextBase* 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
133void 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
144LocDualContext::LocDualContext(const MsgTask* msgTask,
145                               LOC_API_ADAPTER_EVENT_MASK_T exMask) :
146    ContextBase(msgTask, exMask, mLBSLibName)
147{
148}
149
150}
151