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_CtxBase"
31
32 #include <dlfcn.h>
33 #include <cutils/sched_policy.h>
34 #include <unistd.h>
35 #include <ContextBase.h>
36 #include <msg_q.h>
37 #include <loc_target.h>
38 #include <log_util.h>
39 #include <loc_log.h>
40
41 namespace loc_core {
42
43 loc_gps_cfg_s_type ContextBase::mGps_conf {0};
44 loc_sap_cfg_s_type ContextBase::mSap_conf {0};
45
getCarrierCapabilities()46 uint32_t ContextBase::getCarrierCapabilities() {
47 #define carrierMSA (uint32_t)0x2
48 #define carrierMSB (uint32_t)0x1
49 #define gpsConfMSA (uint32_t)0x4
50 #define gpsConfMSB (uint32_t)0x2
51 uint32_t capabilities = mGps_conf.CAPABILITIES;
52 if ((mGps_conf.SUPL_MODE & carrierMSA) != carrierMSA) {
53 capabilities &= ~gpsConfMSA;
54 }
55 if ((mGps_conf.SUPL_MODE & carrierMSB) != carrierMSB) {
56 capabilities &= ~gpsConfMSB;
57 }
58
59 LOC_LOGV("getCarrierCapabilities: CAPABILITIES %x, SUPL_MODE %x, carrier capabilities %x",
60 mGps_conf.CAPABILITIES, mGps_conf.SUPL_MODE, capabilities);
61 return capabilities;
62 }
63
getLBSProxy(const char * libName)64 LBSProxyBase* ContextBase::getLBSProxy(const char* libName)
65 {
66 LBSProxyBase* proxy = NULL;
67 LOC_LOGD("%s:%d]: getLBSProxy libname: %s\n", __func__, __LINE__, libName);
68 void* lib = dlopen(libName, RTLD_NOW);
69
70 if ((void*)NULL != lib) {
71 getLBSProxy_t* getter = (getLBSProxy_t*)dlsym(lib, "getLBSProxy");
72 if (NULL != getter) {
73 proxy = (*getter)();
74 }
75 }
76 if (NULL == proxy) {
77 proxy = new LBSProxyBase();
78 }
79 LOC_LOGD("%s:%d]: Exiting\n", __func__, __LINE__);
80 return proxy;
81 }
82
createLocApi(LOC_API_ADAPTER_EVENT_MASK_T exMask)83 LocApiBase* ContextBase::createLocApi(LOC_API_ADAPTER_EVENT_MASK_T exMask)
84 {
85 LocApiBase* locApi = NULL;
86
87 // Check the target
88 if (TARGET_NO_GNSS != loc_get_target()){
89
90 if (NULL == (locApi = mLBSProxy->getLocApi(mMsgTask, exMask, this))) {
91 void *handle = NULL;
92 //try to see if LocApiV02 is present
93 if((handle = dlopen("libloc_api_v02.so", RTLD_NOW)) != NULL) {
94 LOC_LOGD("%s:%d]: libloc_api_v02.so is present", __func__, __LINE__);
95 getLocApi_t* getter = (getLocApi_t*)dlsym(handle, "getLocApi");
96 if(getter != NULL) {
97 LOC_LOGD("%s:%d]: getter is not NULL for LocApiV02", __func__, __LINE__);
98 locApi = (*getter)(mMsgTask, exMask, this);
99 }
100 }
101 // only RPC is the option now
102 else {
103 LOC_LOGD("%s:%d]: libloc_api_v02.so is NOT present. Trying RPC",
104 __func__, __LINE__);
105 handle = dlopen("libloc_api-rpc-qc.so", RTLD_NOW);
106 if (NULL != handle) {
107 getLocApi_t* getter = (getLocApi_t*)dlsym(handle, "getLocApi");
108 if (NULL != getter) {
109 LOC_LOGD("%s:%d]: getter is not NULL in RPC", __func__, __LINE__);
110 locApi = (*getter)(mMsgTask, exMask, this);
111 }
112 }
113 }
114 }
115 }
116
117 // locApi could still be NULL at this time
118 // we would then create a dummy one
119 if (NULL == locApi) {
120 locApi = new LocApiBase(mMsgTask, exMask, this);
121 }
122
123 return locApi;
124 }
125
ContextBase(const MsgTask * msgTask,LOC_API_ADAPTER_EVENT_MASK_T exMask,const char * libName)126 ContextBase::ContextBase(const MsgTask* msgTask,
127 LOC_API_ADAPTER_EVENT_MASK_T exMask,
128 const char* libName) :
129 mLBSProxy(getLBSProxy(libName)),
130 mMsgTask(msgTask),
131 mLocApi(createLocApi(exMask)),
132 mLocApiProxy(mLocApi->getLocApiProxy())
133 {
134 }
135
136 }
137