LocDualContext.cpp revision 8aac9d301fc5aa83071492803f4335b73f2604e3 
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
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26 * IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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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
64const MsgTask* LocDualContext::getMsgTask(MsgTask::tCreate tCreator,
65                                          const char* name)
66{
67    if (NULL == mMsgTask) {
68        mMsgTask = new MsgTask(tCreator, name);
69    }
70    return mMsgTask;
71}
72
73const MsgTask* LocDualContext::getMsgTask(MsgTask::tAssociate tAssociate,
74                                          const char* name)
75{
76    if (NULL == mMsgTask) {
77        mMsgTask = new MsgTask(tAssociate, name);
78    } else if (tAssociate) {
79        mMsgTask->associate(tAssociate);
80    }
81    return mMsgTask;
82}
83
84ContextBase* LocDualContext::getLocFgContext(MsgTask::tCreate tCreator,
85                                             const char* name)
86{
87    if (NULL == mFgContext) {
88        const MsgTask* msgTask = getMsgTask(tCreator, name);
89        mFgContext = new LocDualContext(msgTask,
90                                        mFgExclMask);
91    }
92    if(NULL == mInjectContext) {
93        mInjectContext = mFgContext;
94        injectFeatureConfig(mInjectContext);
95    }
96    return mFgContext;
97}
98
99ContextBase* LocDualContext::getLocFgContext(MsgTask::tAssociate tAssociate,
100                                        const char* name)
101{
102    if (NULL == mFgContext) {
103        const MsgTask* msgTask = getMsgTask(tAssociate, name);
104        mFgContext = new LocDualContext(msgTask,
105                                        mFgExclMask);
106    }
107    if(NULL == mInjectContext) {
108        LOC_LOGD("%s:%d]: mInjectContext is FgContext", __func__, __LINE__);
109        mInjectContext = mFgContext;
110        injectFeatureConfig(mInjectContext);
111    }
112    return mFgContext;
113
114}
115
116ContextBase* LocDualContext::getLocBgContext(MsgTask::tCreate tCreator,
117                                             const char* name)
118{
119    if (NULL == mBgContext) {
120        const MsgTask* msgTask = getMsgTask(tCreator, name);
121        mBgContext = new LocDualContext(msgTask,
122                                        mBgExclMask);
123    }
124    if(NULL == mInjectContext) {
125        LOC_LOGD("%s:%d]: mInjectContext is BgContext", __func__, __LINE__);
126        mInjectContext = mBgContext;
127        injectFeatureConfig(mInjectContext);
128    }
129    return mBgContext;
130}
131
132ContextBase* LocDualContext::getLocBgContext(MsgTask::tAssociate tAssociate,
133                                             const char* name)
134{
135    if (NULL == mBgContext) {
136        const MsgTask* msgTask = getMsgTask(tAssociate, name);
137        mBgContext = new LocDualContext(msgTask,
138                                        mBgExclMask);
139    }
140    if(NULL == mInjectContext) {
141        LOC_LOGD("%s:%d]: mInjectContext is BgContext", __func__, __LINE__);
142        mInjectContext = mBgContext;
143        injectFeatureConfig(mInjectContext);
144    }
145    return mBgContext;
146}
147
148void LocDualContext :: injectFeatureConfig(ContextBase *curContext)
149{
150    LOC_LOGD("%s:%d]: Enter", __func__, __LINE__);
151    if(curContext == mInjectContext) {
152        LOC_LOGD("%s:%d]: Calling LBSProxy (%p) to inject feature config",
153                 __func__, __LINE__, ((LocDualContext *)mInjectContext)->mLBSProxy);
154        ((LocDualContext *)mInjectContext)->mLBSProxy->injectFeatureConfig(curContext);
155    }
156    LOC_LOGD("%s:%d]: Exit", __func__, __LINE__);
157}
158
159LocDualContext::LocDualContext(const MsgTask* msgTask,
160                               LOC_API_ADAPTER_EVENT_MASK_T exMask) :
161    ContextBase(msgTask, exMask, mLBSLibName)
162{
163}
164
165}
166