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
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_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
56const MsgTask* LocDualContext::mMsgTask = NULL;
57ContextBase* LocDualContext::mFgContext = NULL;
58ContextBase* LocDualContext::mBgContext = NULL;
59ContextBase* LocDualContext::mInjectContext = NULL;
60// the name must be shorter than 15 chars
61const char* LocDualContext::mLocationHalName = "Loc_hal_worker";
62const char* LocDualContext::mLBSLibName = "liblbs_core.so";
63
64pthread_mutex_t LocDualContext::mGetLocContextMutex = PTHREAD_MUTEX_INITIALIZER;
65
66const MsgTask* LocDualContext::getMsgTask(MsgTask::tCreate tCreator,
67                                          const char* name)
68{
69    if (NULL == mMsgTask) {
70        mMsgTask = new MsgTask(tCreator, name);
71    }
72    return mMsgTask;
73}
74
75const MsgTask* LocDualContext::getMsgTask(MsgTask::tAssociate tAssociate,
76                                          const char* name)
77{
78    if (NULL == mMsgTask) {
79        mMsgTask = new MsgTask(tAssociate, name);
80    } else if (tAssociate) {
81        mMsgTask->associate(tAssociate);
82    }
83    return mMsgTask;
84}
85
86ContextBase* LocDualContext::getLocFgContext(MsgTask::tCreate tCreator,
87                                             const char* name)
88{
89    pthread_mutex_lock(&LocDualContext::mGetLocContextMutex);
90    LOC_LOGD("%s:%d]: querying ContextBase with tCreator", __func__, __LINE__);
91    if (NULL == mFgContext) {
92        LOC_LOGD("%s:%d]: creating msgTask with tCreator", __func__, __LINE__);
93        const MsgTask* msgTask = getMsgTask(tCreator, name);
94        mFgContext = new LocDualContext(msgTask,
95                                        mFgExclMask);
96    }
97    if(NULL == mInjectContext) {
98        LOC_LOGD("%s:%d]: mInjectContext is FgContext", __func__, __LINE__);
99        mInjectContext = mFgContext;
100        injectFeatureConfig(mInjectContext);
101    }
102    pthread_mutex_unlock(&LocDualContext::mGetLocContextMutex);
103    return mFgContext;
104}
105
106ContextBase* LocDualContext::getLocFgContext(MsgTask::tAssociate tAssociate,
107                                             const char* name)
108{
109    pthread_mutex_lock(&LocDualContext::mGetLocContextMutex);
110    LOC_LOGD("%s:%d]: querying ContextBase with tAssociate", __func__, __LINE__);
111    if (NULL == mFgContext) {
112        LOC_LOGD("%s:%d]: creating msgTask with tAssociate", __func__, __LINE__);
113        const MsgTask* msgTask = getMsgTask(tAssociate, name);
114        mFgContext = new LocDualContext(msgTask,
115                                        mFgExclMask);
116    }
117    if(NULL == mInjectContext) {
118        LOC_LOGD("%s:%d]: mInjectContext is FgContext", __func__, __LINE__);
119        mInjectContext = mFgContext;
120        injectFeatureConfig(mInjectContext);
121    }
122    pthread_mutex_unlock(&LocDualContext::mGetLocContextMutex);
123    return mFgContext;
124}
125
126ContextBase* LocDualContext::getLocBgContext(MsgTask::tCreate tCreator,
127                                             const char* name)
128{
129    pthread_mutex_lock(&LocDualContext::mGetLocContextMutex);
130    LOC_LOGD("%s:%d]: querying ContextBase with tCreator", __func__, __LINE__);
131    if (NULL == mBgContext) {
132        LOC_LOGD("%s:%d]: creating msgTask with tCreator", __func__, __LINE__);
133        const MsgTask* msgTask = getMsgTask(tCreator, name);
134        mBgContext = new LocDualContext(msgTask,
135                                        mBgExclMask);
136    }
137    if(NULL == mInjectContext) {
138        LOC_LOGD("%s:%d]: mInjectContext is BgContext", __func__, __LINE__);
139        mInjectContext = mBgContext;
140        injectFeatureConfig(mInjectContext);
141    }
142    pthread_mutex_unlock(&LocDualContext::mGetLocContextMutex);
143    return mBgContext;
144}
145
146ContextBase* LocDualContext::getLocBgContext(MsgTask::tAssociate tAssociate,
147                                             const char* name)
148{
149    pthread_mutex_lock(&LocDualContext::mGetLocContextMutex);
150    LOC_LOGD("%s:%d]: querying ContextBase with tAssociate", __func__, __LINE__);
151    if (NULL == mBgContext) {
152        LOC_LOGD("%s:%d]: creating msgTask with tAssociate", __func__, __LINE__);
153        const MsgTask* msgTask = getMsgTask(tAssociate, name);
154        mBgContext = new LocDualContext(msgTask,
155                                        mBgExclMask);
156    }
157    if(NULL == mInjectContext) {
158        LOC_LOGD("%s:%d]: mInjectContext is BgContext", __func__, __LINE__);
159        mInjectContext = mBgContext;
160        injectFeatureConfig(mInjectContext);
161    }
162    pthread_mutex_unlock(&LocDualContext::mGetLocContextMutex);
163    return mBgContext;
164}
165
166void LocDualContext :: injectFeatureConfig(ContextBase *curContext)
167{
168    LOC_LOGD("%s:%d]: Enter", __func__, __LINE__);
169    if(curContext == mInjectContext) {
170        LOC_LOGD("%s:%d]: Calling LBSProxy (%p) to inject feature config",
171                 __func__, __LINE__, ((LocDualContext *)mInjectContext)->mLBSProxy);
172        ((LocDualContext *)mInjectContext)->mLBSProxy->injectFeatureConfig(curContext);
173    }
174    LOC_LOGD("%s:%d]: Exit", __func__, __LINE__);
175}
176
177LocDualContext::LocDualContext(const MsgTask* msgTask,
178                               LOC_API_ADAPTER_EVENT_MASK_T exMask) :
179    ContextBase(msgTask, exMask, mLBSLibName)
180{
181}
182
183}
184