android_device_lenovo_msm89.../gps/core/ContextBase.cpp
2017-06-27 14:19:43 +02:00

138 lines
5 KiB
C++

/* Copyright (c) 2011-2014, The Linux Foundation. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are
* met:
* * Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* * Redistributions in binary form must reproduce the above
* copyright notice, this list of conditions and the following
* disclaimer in the documentation and/or other materials provided
* with the distribution.
* * Neither the name of The Linux Foundation, nor the names of its
* contributors may be used to endorse or promote products derived
* from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED "AS IS" AND ANY EXPRESS OR IMPLIED
* WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT
* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS
* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR
* BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
* WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE
* OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN
* IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*
*/
#define LOG_NDDEBUG 0
#define LOG_TAG "LocSvc_CtxBase"
#include <dlfcn.h>
#include <cutils/sched_policy.h>
#include <unistd.h>
#include <ContextBase.h>
#include <msg_q.h>
#include <loc_target.h>
#include <platform_lib_includes.h>
#include <loc_log.h>
namespace loc_core {
loc_gps_cfg_s_type ContextBase::mGps_conf {0};
loc_sap_cfg_s_type ContextBase::mSap_conf {0};
uint32_t ContextBase::getCarrierCapabilities() {
#define carrierMSA (uint32_t)0x2
#define carrierMSB (uint32_t)0x1
#define gpsConfMSA (uint32_t)0x4
#define gpsConfMSB (uint32_t)0x2
uint32_t capabilities = mGps_conf.CAPABILITIES;
if ((mGps_conf.SUPL_MODE & carrierMSA) != carrierMSA) {
capabilities &= ~gpsConfMSA;
}
if ((mGps_conf.SUPL_MODE & carrierMSB) != carrierMSB) {
capabilities &= ~gpsConfMSB;
}
LOC_LOGV("getCarrierCapabilities: CAPABILITIES %x, SUPL_MODE %x, carrier capabilities %x",
mGps_conf.CAPABILITIES, mGps_conf.SUPL_MODE, capabilities);
return capabilities;
}
LBSProxyBase* ContextBase::getLBSProxy(const char* libName)
{
LBSProxyBase* proxy = NULL;
LOC_LOGD("%s:%d]: getLBSProxy libname: %s\n", __func__, __LINE__, libName);
void* lib = dlopen(libName, RTLD_NOW);
if ((void*)NULL != lib) {
getLBSProxy_t* getter = (getLBSProxy_t*)dlsym(lib, "getLBSProxy");
if (NULL != getter) {
proxy = (*getter)();
}
}
else
{
LOC_LOGW("%s:%d]: FAILED TO LOAD libname: %s\n", __func__, __LINE__, libName);
}
if (NULL == proxy) {
proxy = new LBSProxyBase();
}
LOC_LOGD("%s:%d]: Exiting\n", __func__, __LINE__);
return proxy;
}
LocApiBase* ContextBase::createLocApi(LOC_API_ADAPTER_EVENT_MASK_T exMask)
{
LocApiBase* locApi = NULL;
if (NULL == (locApi = mLBSProxy->getLocApi(mMsgTask, exMask, this))) {
void *handle = NULL;
//try to see if LocApiV02 is present
if ((handle = dlopen("libloc_api_v02.so", RTLD_NOW)) != NULL) {
LOC_LOGD("%s:%d]: libloc_api_v02.so is present", __func__, __LINE__);
getLocApi_t* getter = (getLocApi_t*) dlsym(handle, "getLocApi");
if (getter != NULL) {
LOC_LOGD("%s:%d]: getter is not NULL for LocApiV02", __func__,
__LINE__);
locApi = (*getter)(mMsgTask, exMask, this);
}
}
// only RPC is the option now
else {
LOC_LOGD("%s:%d]: libloc_api_v02.so is NOT present. Trying RPC",
__func__, __LINE__);
handle = dlopen("libloc_api-rpc-qc.so", RTLD_NOW);
if (NULL != handle) {
getLocApi_t* getter = (getLocApi_t*) dlsym(handle, "getLocApi");
if (NULL != getter) {
LOC_LOGD("%s:%d]: getter is not NULL in RPC", __func__,
__LINE__);
locApi = (*getter)(mMsgTask, exMask, this);
}
}
}
}
// locApi could still be NULL at this time
// we would then create a dummy one
if (NULL == locApi) {
locApi = new LocApiBase(mMsgTask, exMask, this);
}
return locApi;
}
ContextBase::ContextBase(const MsgTask* msgTask,
LOC_API_ADAPTER_EVENT_MASK_T exMask,
const char* libName) :
mLBSProxy(getLBSProxy(libName)),
mMsgTask(msgTask),
mLocApi(createLocApi(exMask)),
mLocApiProxy(mLocApi->getLocApiProxy())
{
}
}