1 /* Copyright (c) 2011-2013, 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
getIzatProxy(const char * libName)44 IzatProxyBase* ContextBase::getIzatProxy(const char* libName)
45 {
46 IzatProxyBase* proxy = NULL;
47 void* lib = dlopen(libName, RTLD_NOW);
48
49 if ((void*)NULL != lib) {
50 getIzatProxy_t* getter = (getIzatProxy_t*)dlsym(lib, "getIzatProxy");
51 if (NULL != getter) {
52 proxy = (*getter)();
53 }
54 }
55 if (NULL == proxy) {
56 proxy = new IzatProxyBase();
57 }
58 return proxy;
59 }
60
createLocApi(LOC_API_ADAPTER_EVENT_MASK_T exMask)61 LocApiBase* ContextBase::createLocApi(LOC_API_ADAPTER_EVENT_MASK_T exMask)
62 {
63 LocApiBase* locApi = NULL;
64
65 // first if can not be MPQ
66 if (TARGET_MPQ != get_target()) {
67 if (NULL == (locApi = mIzatProxy->getLocApi(mMsgTask, exMask))) {
68 void *handle = NULL;
69 //try to see if LocApiV02 is present
70 if((handle = dlopen("libloc_api_v02.so", RTLD_NOW)) != NULL) {
71 LOC_LOGD("%s:%d]: libloc_api_v02.so is present", __func__, __LINE__);
72 getLocApi_t* getter = (getLocApi_t*)dlsym(handle, "getLocApi");
73 if(getter != NULL) {
74 LOC_LOGD("%s:%d]: getter is not NULL for LocApiV02", __func__, __LINE__);
75 locApi = (*getter)(mMsgTask,exMask);
76 }
77 }
78 // only RPC is the option now
79 else {
80 LOC_LOGD("%s:%d]: libloc_api_v02.so is NOT present. Trying RPC",
81 __func__, __LINE__);
82 handle = dlopen("libloc_api-rpc-qc.so", RTLD_NOW);
83 if (NULL != handle) {
84 getLocApi_t* getter = (getLocApi_t*)dlsym(handle, "getLocApi");
85 if (NULL != getter) {
86 LOC_LOGD("%s:%d]: getter is not NULL in RPC", __func__, __LINE__);
87 locApi = (*getter)(mMsgTask, exMask);
88 }
89 }
90 }
91 }
92 }
93
94 // locApi could still be NULL at this time
95 // we would then create a dummy one
96 if (NULL == locApi) {
97 locApi = new LocApiBase(mMsgTask, exMask);
98 }
99
100 return locApi;
101 }
102
ContextBase(const MsgTask * msgTask,LOC_API_ADAPTER_EVENT_MASK_T exMask,const char * libName)103 ContextBase::ContextBase(const MsgTask* msgTask,
104 LOC_API_ADAPTER_EVENT_MASK_T exMask,
105 const char* libName) :
106 mIzatProxy(getIzatProxy(libName)),
107 mMsgTask(msgTask),
108 mLocApi(createLocApi(exMask))
109 {
110 }
111
112 }
113