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