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Diffstat (limited to 'gps/core/data-items/DataItemsFactoryProxy.cpp')
-rw-r--r-- | gps/core/data-items/DataItemsFactoryProxy.cpp | 82 |
1 files changed, 82 insertions, 0 deletions
diff --git a/gps/core/data-items/DataItemsFactoryProxy.cpp b/gps/core/data-items/DataItemsFactoryProxy.cpp new file mode 100644 index 0000000..10f73f4 --- /dev/null +++ b/gps/core/data-items/DataItemsFactoryProxy.cpp @@ -0,0 +1,82 @@ +/* Copyright (c) 2017-2020, 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_TAG "DataItemsFactoryProxy" + +#include <dlfcn.h> +#include <DataItemId.h> +#include <IDataItemCore.h> +#include <DataItemsFactoryProxy.h> +#include <loc_pla.h> +#include <log_util.h> +#include "loc_misc_utils.h" + +namespace loc_core +{ +void* DataItemsFactoryProxy::dataItemLibHandle = NULL; +get_concrete_data_item_fn* DataItemsFactoryProxy::getConcreteDIFunc = NULL; + +IDataItemCore* DataItemsFactoryProxy::createNewDataItem(DataItemId id) +{ + IDataItemCore *mydi = nullptr; + + if (NULL != getConcreteDIFunc) { + mydi = (*getConcreteDIFunc)(id); + } + else { + getConcreteDIFunc = (get_concrete_data_item_fn * ) + dlGetSymFromLib(dataItemLibHandle, DATA_ITEMS_LIB_NAME, DATA_ITEMS_GET_CONCRETE_DI); + + if (NULL != getConcreteDIFunc) { + LOC_LOGd("Loaded function %s : %p", DATA_ITEMS_GET_CONCRETE_DI, getConcreteDIFunc); + mydi = (*getConcreteDIFunc)(id); + } + else { + // dlysm failed. + const char * err = dlerror(); + if (NULL == err) + { + err = "Unknown"; + } + LOC_LOGe("failed to find symbol %s; error=%s", DATA_ITEMS_GET_CONCRETE_DI, err); + } + } + return mydi; +} + +void DataItemsFactoryProxy::closeDataItemLibraryHandle() +{ + if (NULL != dataItemLibHandle) { + dlclose(dataItemLibHandle); + dataItemLibHandle = NULL; + } +} + +} // namespace loc_core + + |