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 41namespace loc_core { 42 43LBSProxyBase* ContextBase::getLBSProxy(const char* libName) 44{ 45 LBSProxyBase* proxy = NULL; 46 LOC_LOGD("%s:%d]: getLBSProxy libname: %s\n", __func__, __LINE__, libName); 47 dlerror(); 48 void* lib = dlopen(libName, RTLD_NOW); 49 50 if ((void*)NULL != lib) { 51 dlerror(); 52 getLBSProxy_t* getter = (getLBSProxy_t*)dlsym(lib, "getLBSProxy"); 53 if (NULL != getter) { 54 proxy = (*getter)(); 55 } 56 else { 57 LOC_LOGD("%s:%d]: getter is NULL. Reason: %s", __func__, __LINE__, dlerror()); 58 } 59 } 60 else { 61 LOC_LOGD("%s:%d]: lib is NULL. Reason: %s", __func__, __LINE__, dlerror()); 62 } 63 if (NULL == proxy) { 64 proxy = new LBSProxyBase(); 65 } 66 LOC_LOGD("%s:%d]: Exiting\n", __func__, __LINE__); 67 return proxy; 68} 69 70LocApiBase* ContextBase::createLocApi(LOC_API_ADAPTER_EVENT_MASK_T exMask) 71{ 72 LocApiBase* locApi = NULL; 73 74 // first if can not be MPQ 75 if (TARGET_MPQ != loc_get_target()) { 76 if (NULL == (locApi = mLBSProxy->getLocApi(mMsgTask, exMask, this))) { 77 void *handle = NULL; 78 //try to see if LocApiV02 is present 79 if((handle = dlopen("libloc_api_v02.so", RTLD_NOW)) != NULL) { 80 LOC_LOGD("%s:%d]: libloc_api_v02.so is present", __func__, __LINE__); 81 dlerror(); 82 getLocApi_t* getter = (getLocApi_t*)dlsym(handle, "getLocApi"); 83 if(getter != NULL) { 84 LOC_LOGD("%s:%d]: getter is not NULL for LocApiV02", __func__, __LINE__); 85 locApi = (*getter)(mMsgTask,exMask, this); 86 } 87 else { 88 LOC_LOGD("%s:%d]: getter is NULL. Reason: %s", __func__, __LINE__, dlerror()); 89 } 90 } 91 // only RPC is the option now 92 else { 93 LOC_LOGD("%s:%d]: libloc_api_v02.so is NOT present. Trying RPC", 94 __func__, __LINE__); 95 handle = dlopen("libloc_api-rpc-qc.so", RTLD_NOW); 96 if (NULL != handle) { 97 getLocApi_t* getter = (getLocApi_t*)dlsym(handle, "getLocApi"); 98 if (NULL != getter) { 99 LOC_LOGD("%s:%d]: getter is NULL in RPC", __func__, __LINE__); 100 locApi = (*getter)(mMsgTask, exMask, this); 101 } 102 } 103 } 104 } 105 } 106 107 // locApi could still be NULL at this time 108 // we would then create a dummy one 109 if (NULL == locApi) { 110 locApi = new LocApiBase(mMsgTask, exMask, this); 111 } 112 113 return locApi; 114} 115 116ContextBase::ContextBase(const MsgTask* msgTask, 117 LOC_API_ADAPTER_EVENT_MASK_T exMask, 118 const char* libName) : 119 mLBSProxy(getLBSProxy(libName)), 120 mMsgTask(msgTask), 121 mLocApi(createLocApi(exMask)), 122 mLocApiProxy(mLocApi->getLocApiProxy()) 123{ 124} 125 126} 127