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 #define LOG_TAG "GnssHAL_GnssXtraInterface" 18 19 #include "GnssXtra.h" 20 21 namespace android { 22 namespace hardware { 23 namespace gnss { 24 namespace V1_0 { 25 namespace implementation { 26 27 std::vector<std::unique_ptr<ThreadFuncArgs>> GnssXtra::sThreadFuncArgsList; 28 sp<IGnssXtraCallback> GnssXtra::sGnssXtraCbIface = nullptr; 29 bool GnssXtra::sInterfaceExists = false; 30 31 GpsXtraCallbacks GnssXtra::sGnssXtraCb = { 32 .download_request_cb = gnssXtraDownloadRequestCb, 33 .create_thread_cb = createThreadCb, 34 }; 35 36 GnssXtra::~GnssXtra() { 37 sThreadFuncArgsList.clear(); 38 sInterfaceExists = false; 39 } 40 41 pthread_t GnssXtra::createThreadCb(const char* name, void (*start)(void*), void* arg) { 42 return createPthread(name, start, arg, &sThreadFuncArgsList); 43 } 44 45 GnssXtra::GnssXtra(const GpsXtraInterface* xtraIface) : mGnssXtraIface(xtraIface) { 46 /* Error out if an instance of the interface already exists. */ 47 LOG_ALWAYS_FATAL_IF(sInterfaceExists); 48 sInterfaceExists = true; 49 } 50 51 void GnssXtra::gnssXtraDownloadRequestCb() { 52 if (sGnssXtraCbIface == nullptr) { 53 ALOGE("%s: GNSS Callback Interface configured incorrectly", __func__); 54 return; 55 } 56 57 auto ret = sGnssXtraCbIface->downloadRequestCb(); 58 if (!ret.isOk()) { 59 ALOGE("%s: Unable to invoke callback", __func__); 60 } 61 } 62 63 // Methods from ::android::hardware::gnss::V1_0::IGnssXtra follow. 64 Return<bool> GnssXtra::setCallback(const sp<IGnssXtraCallback>& callback) { 65 if (mGnssXtraIface == nullptr) { 66 ALOGE("%s: Gnss Xtra interface is unavailable", __func__); 67 return false; 68 } 69 70 sGnssXtraCbIface = callback; 71 72 return (mGnssXtraIface->init(&sGnssXtraCb) == 0); 73 } 74 75 Return<bool> GnssXtra::injectXtraData(const hidl_string& xtraData) { 76 if (mGnssXtraIface == nullptr) { 77 ALOGE("%s: Gnss Xtra interface is unavailable", __func__); 78 return false; 79 } 80 81 char* buf = new char[xtraData.size()]; 82 const char* data = xtraData.c_str(); 83 84 memcpy(buf, data, xtraData.size()); 85 86 int ret = mGnssXtraIface->inject_xtra_data(buf, xtraData.size()); 87 delete[] buf; 88 return (ret == 0); 89 } 90 91 } // namespace implementation 92 } // namespace V1_0 93 } // namespace gnss 94 } // namespace hardware 95 } // namespace android 96
