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
getLBSProxy(const char * libName)43 LBSProxyBase* ContextBase::getLBSProxy(const char* libName)
44 {
45 LBSProxyBase* proxy = NULL;
46 LOC_LOGD("%s:%d]: getLBSProxy libname: %s\n", __func__, __LINE__, libName);
47 void* lib = dlopen(libName, RTLD_NOW);
48
49 if ((void*)NULL != lib) {
50 getLBSProxy_t* getter = (getLBSProxy_t*)dlsym(lib, "getLBSProxy");
51 if (NULL != getter) {
52 proxy = (*getter)();
53 }
54 }
55 if (NULL == proxy) {
56 proxy = new LBSProxyBase();
57 }
58 LOC_LOGD("%s:%d]: Exiting\n", __func__, __LINE__);
59 return proxy;
60 }
61
createLocApi(LOC_API_ADAPTER_EVENT_MASK_T exMask)62 LocApiBase* ContextBase::createLocApi(LOC_API_ADAPTER_EVENT_MASK_T exMask)
63 {
64 LocApiBase* locApi = NULL;
65
66 // Check the target
67 if (TARGET_NO_GNSS != loc_get_target()){
68
69 if (NULL == (locApi = mLBSProxy->getLocApi(mMsgTask, exMask, this))) {
70 void *handle = NULL;
71 //try to see if LocApiV02 is present
72 if((handle = dlopen("libloc_api_v02.so", RTLD_NOW)) != NULL) {
73 LOC_LOGD("%s:%d]: libloc_api_v02.so is present", __func__, __LINE__);
74 getLocApi_t* getter = (getLocApi_t*)dlsym(handle, "getLocApi");
75 if(getter != NULL) {
76 LOC_LOGD("%s:%d]: getter is not NULL for LocApiV02", __func__, __LINE__);
77 locApi = (*getter)(mMsgTask, exMask, this);
78 }
79 }
80 // only RPC is the option now
81 else {
82 LOC_LOGD("%s:%d]: libloc_api_v02.so is NOT present. Trying RPC",
83 __func__, __LINE__);
84 handle = dlopen("libloc_api-rpc-qc.so", RTLD_NOW);
85 if (NULL != handle) {
86 getLocApi_t* getter = (getLocApi_t*)dlsym(handle, "getLocApi");
87 if (NULL != getter) {
88 LOC_LOGD("%s:%d]: getter is not NULL in RPC", __func__, __LINE__);
89 locApi = (*getter)(mMsgTask, exMask, this);
90 }
91 }
92 }
93 }
94 }
95
96 // locApi could still be NULL at this time
97 // we would then create a dummy one
98 if (NULL == locApi) {
99 locApi = new LocApiBase(mMsgTask, exMask, this);
100 }
101
102 return locApi;
103 }
104
ContextBase(const MsgTask * msgTask,LOC_API_ADAPTER_EVENT_MASK_T exMask,const char * libName)105 ContextBase::ContextBase(const MsgTask* msgTask,
106 LOC_API_ADAPTER_EVENT_MASK_T exMask,
107 const char* libName) :
108 mLBSProxy(getLBSProxy(libName)),
109 mMsgTask(msgTask),
110 mLocApi(createLocApi(exMask)),
111 mLocApiProxy(mLocApi->getLocApiProxy())
112 {
113 }
114
115 }
116