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      1 /*
      2  * Copyright (C) 2016 The Android Open Source Project
      3  *
      4  * Licensed under the Apache License, Version 2.0 (the "License");
      5  * you may not use this file except in compliance with the License.
      6  * You may obtain a copy of the License at
      7  *
      8  *      http://www.apache.org/licenses/LICENSE-2.0
      9  *
     10  * Unless required by applicable law or agreed to in writing, software
     11  * distributed under the License is distributed on an "AS IS" BASIS,
     12  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
     13  * See the License for the specific language governing permissions and
     14  * limitations under the License.
     15  */
     16 
     17 #ifndef android_hardware_gnss_V1_0_AGnss_H_
     18 #define android_hardware_gnss_V1_0_AGnss_H_
     19 
     20 #include <ThreadCreationWrapper.h>
     21 #include <android/hardware/gnss/1.0/IAGnss.h>
     22 #include <hardware/gps_internal.h>
     23 #include <hidl/Status.h>
     24 #include <netinet/in.h>
     25 
     26 namespace android {
     27 namespace hardware {
     28 namespace gnss {
     29 namespace V1_0 {
     30 namespace implementation {
     31 
     32 using ::android::hardware::gnss::V1_0::IAGnss;
     33 using ::android::hardware::gnss::V1_0::IAGnssCallback;
     34 using ::android::hardware::Return;
     35 using ::android::hardware::Void;
     36 using ::android::hardware::hidl_vec;
     37 using ::android::hardware::hidl_string;
     38 using ::android::sp;
     39 
     40 /*
     41  * Extended interface for AGNSS support. Also contains wrapper methods to allow
     42  * methods from IAGnssCallback interface to be passed into the conventional
     43  * implementation of the GNSS HAL.
     44  */
     45 struct AGnss : public IAGnss {
     46     AGnss(const AGpsInterface* agpsIface);
     47     ~AGnss();
     48     /*
     49      * Methods from ::android::hardware::gnss::V1_0::IAGnss interface follow.
     50      * These declarations were generated from IAGnss.hal.
     51      */
     52     Return<void> setCallback(const sp<IAGnssCallback>& callback) override;
     53     Return<bool> dataConnClosed() override;
     54     Return<bool> dataConnFailed() override;
     55     Return<bool> setServer(IAGnssCallback::AGnssType type,
     56                          const hidl_string& hostname, int32_t port) override;
     57     Return<bool> dataConnOpen(const hidl_string& apn,
     58                                            IAGnss::ApnIpType apnIpType) override;
     59 
     60     /*
     61      * Callback methods to be passed into the conventional GNSS HAL by the default
     62      * implementation. These methods are not part of the IAGnss base class.
     63      */
     64     static pthread_t createThreadCb(const char* name, void (*start)(void*), void* arg);
     65     static void statusCb(AGpsStatus* status);
     66 
     67     /*
     68      * Holds function pointers to the callback methods.
     69      */
     70     static AGpsCallbacks sAGnssCb;
     71 
     72  private:
     73     const AGpsInterface* mAGnssIface = nullptr;
     74     static sp<IAGnssCallback> sAGnssCbIface;
     75     static std::vector<std::unique_ptr<ThreadFuncArgs>> sThreadFuncArgsList;
     76     static bool sInterfaceExists;
     77 };
     78 
     79 }  // namespace implementation
     80 }  // namespace V1_0
     81 }  // namespace gnss
     82 }  // namespace hardware
     83 }  // namespace android
     84 
     85 #endif  // android_hardware_gnss_V1_0_AGnss_H_
     86