1 /* Copyright (c) 2011-2014, The Linux Foundation. All rights reserved.
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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     // first if can not be MPQ
88     if (TARGET_MPQ != loc_get_target()) {
89         if (NULL == (locApi = mLBSProxy->getLocApi(mMsgTask, exMask, this))) {
90             void *handle = NULL;
91             //try to see if LocApiV02 is present
92             if((handle = dlopen("libloc_api_v02.so", RTLD_NOW)) != NULL) {
93                 LOC_LOGD("%s:%d]: libloc_api_v02.so is present", __func__, __LINE__);
94                 getLocApi_t* getter = (getLocApi_t*)dlsym(handle, "getLocApi");
95                 if(getter != NULL) {
96                     LOC_LOGD("%s:%d]: getter is not NULL for LocApiV02", __func__, __LINE__);
97                     locApi = (*getter)(mMsgTask, exMask, this);
98                 }
99             }
100             // only RPC is the option now
101             else {
102                 LOC_LOGD("%s:%d]: libloc_api_v02.so is NOT present. Trying RPC",
103                          __func__, __LINE__);
104                 handle = dlopen("libloc_api-rpc-qc.so", RTLD_NOW);
105                 if (NULL != handle) {
106                     getLocApi_t* getter = (getLocApi_t*)dlsym(handle, "getLocApi");
107                     if (NULL != getter) {
108                         LOC_LOGD("%s:%d]: getter is not NULL in RPC", __func__, __LINE__);
109                         locApi = (*getter)(mMsgTask, exMask, this);
110                     }
111                 }
112             }
113         }
114     }
115 
116     // locApi could still be NULL at this time
117     // we would then create a dummy one
118     if (NULL == locApi) {
119         locApi = new LocApiBase(mMsgTask, exMask, this);
120     }
121 
122     return locApi;
123 }
124 
ContextBase(const MsgTask * msgTask,LOC_API_ADAPTER_EVENT_MASK_T exMask,const char * libName)125 ContextBase::ContextBase(const MsgTask* msgTask,
126                          LOC_API_ADAPTER_EVENT_MASK_T exMask,
127                          const char* libName) :
128     mLBSProxy(getLBSProxy(libName)),
129     mMsgTask(msgTask),
130     mLocApi(createLocApi(exMask)),
131     mLocApiProxy(mLocApi->getLocApiProxy())
132 {
133 }
134 
135 }
136