1 /*
2 * Copyright (c) 2023 Huawei Device Co., Ltd.
3 * Licensed under the Apache License, Version 2.0 (the "License");
4 * you may not use this file except in compliance with the License.
5 * You may obtain a copy of the License at
6 *
7 * http://www.apache.org/licenses/LICENSE-2.0
8 *
9 * Unless required by applicable law or agreed to in writing, software
10 * distributed under the License is distributed on an "AS IS" BASIS,
11 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
12 * See the License for the specific language governing permissions and
13 * limitations under the License.
14 */
15
16 #include <dlfcn.h>
17 #include "telephony_ext_wrapper.h"
18 #include "telephony_log_wrapper.h"
19
20 namespace OHOS {
21 namespace Telephony {
22 namespace {
23 const std::string TELEPHONY_EXT_WRAPPER_PATH = "libtelephony_ext_service.z.so";
24 } // namespace
25
TelephonyExtWrapper()26 TelephonyExtWrapper::TelephonyExtWrapper() {}
~TelephonyExtWrapper()27 TelephonyExtWrapper::~TelephonyExtWrapper()
28 {
29 TELEPHONY_LOGD("TelephonyExtWrapper::~TelephonyExtWrapper() start");
30 dlclose(telephonyExtWrapperHandle_);
31 telephonyExtWrapperHandle_ = nullptr;
32 }
33
InitTelephonyExtWrapper()34 void TelephonyExtWrapper::InitTelephonyExtWrapper()
35 {
36 TELEPHONY_LOGD("TelephonyExtWrapper::InitTelephonyExtWrapper() start");
37 telephonyExtWrapperHandle_ = dlopen(TELEPHONY_EXT_WRAPPER_PATH.c_str(), RTLD_NOW);
38 if (telephonyExtWrapperHandle_ == nullptr) {
39 TELEPHONY_LOGE("libtelephony_ext_service.z.so was not loaded, error: %{public}s", dlerror());
40 return;
41 }
42
43 dataEndSelfCure_ = (DATA_EDN_SELF_CURE)dlsym(telephonyExtWrapperHandle_, "DataEndSelfCure");
44 // Check whether all function pointers are empty.
45 if (dataEndSelfCure_ == nullptr) {
46 TELEPHONY_LOGE("telephony ext wrapper symbol failed, error: %{public}s", dlerror());
47 return;
48 }
49 TELEPHONY_LOGI("telephony ext wrapper init success");
50 }
51 } // namespace Telephony
52 } // namespace OHOS