1 /*
2 * Copyright (C) 2021 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 #include "hidl-utils.h"
18
19 #include <android-base/logging.h>
20 #include <android/binder_manager.h>
21 #include <android/binder_process.h>
22 #include <libradiocompat/CallbackManager.h>
23 #include <libradiocompat/RadioConfig.h>
24 #include <libradiocompat/RadioData.h>
25 #include <libradiocompat/RadioMessaging.h>
26 #include <libradiocompat/RadioModem.h>
27 #include <libradiocompat/RadioNetwork.h>
28 #include <libradiocompat/RadioSim.h>
29 #include <libradiocompat/RadioVoice.h>
30
31 namespace android::hardware::radio::service {
32
33 using namespace std::string_literals;
34
35 static std::vector<std::shared_ptr<ndk::ICInterface>> gPublishedHals;
36
37 template <typename T>
publishRadioHal(std::shared_ptr<compat::DriverContext> ctx,sp<V1_5::IRadio> hidlHal,std::shared_ptr<compat::CallbackManager> cm,const std::string & slot)38 static void publishRadioHal(std::shared_ptr<compat::DriverContext> ctx, sp<V1_5::IRadio> hidlHal,
39 std::shared_ptr<compat::CallbackManager> cm, const std::string& slot) {
40 const auto instance = T::descriptor + "/"s + slot;
41 if (!AServiceManager_isDeclared(instance.c_str())) {
42 LOG(INFO) << instance << " is not declared in VINTF (this may be intentional)";
43 return;
44 }
45 LOG(DEBUG) << "Publishing " << instance;
46
47 auto aidlHal = ndk::SharedRefBase::make<T>(ctx, hidlHal, cm);
48 gPublishedHals.push_back(aidlHal);
49 const auto status = AServiceManager_addService(aidlHal->asBinder().get(), instance.c_str());
50 CHECK_EQ(status, STATUS_OK);
51 }
52
publishRadio(std::string slot)53 static void publishRadio(std::string slot) {
54 auto radioHidl = V1_5::IRadio::getService(slot);
55 CHECK(radioHidl) << "HIDL IRadio not present in VINTF";
56
57 hidl_utils::linkDeathToDeath(radioHidl);
58
59 auto context = std::make_shared<compat::DriverContext>();
60 auto callbackMgr = std::make_shared<compat::CallbackManager>(context, radioHidl);
61
62 publishRadioHal<compat::RadioData>(context, radioHidl, callbackMgr, slot);
63 publishRadioHal<compat::RadioMessaging>(context, radioHidl, callbackMgr, slot);
64 publishRadioHal<compat::RadioModem>(context, radioHidl, callbackMgr, slot);
65 publishRadioHal<compat::RadioNetwork>(context, radioHidl, callbackMgr, slot);
66 publishRadioHal<compat::RadioSim>(context, radioHidl, callbackMgr, slot);
67 publishRadioHal<compat::RadioVoice>(context, radioHidl, callbackMgr, slot);
68 }
69
publishRadioConfig()70 static void publishRadioConfig() {
71 auto hidlHal = config::V1_1::IRadioConfig::getService();
72 CHECK(hidlHal) << "HIDL IRadioConfig not present in VINTF";
73
74 hidl_utils::linkDeathToDeath(hidlHal);
75
76 auto aidlHal = ndk::SharedRefBase::make<compat::RadioConfig>(hidlHal);
77 gPublishedHals.push_back(aidlHal);
78 const auto instance = compat::RadioConfig::descriptor + "/default"s;
79 const auto status = AServiceManager_addService(aidlHal->asBinder().get(), instance.c_str());
80 CHECK_EQ(status, STATUS_OK);
81 }
82
main()83 static void main() {
84 base::InitLogging(nullptr, base::LogdLogger(base::RADIO));
85 base::SetDefaultTag("radiocompat");
86 base::SetMinimumLogSeverity(base::VERBOSE);
87 LOG(DEBUG) << "Radio HAL compat service starting...";
88
89 publishRadioConfig();
90
91 const auto slots = hidl_utils::listManifestByInterface(V1_0::IRadio::descriptor);
92 LOG(INFO) << "Found " << slots.size() << " slot(s)";
93 for (const auto& slot : slots) {
94 publishRadio(slot);
95 }
96
97 LOG(DEBUG) << "Radio HAL compat service is operational";
98 ABinderProcess_joinThreadPool();
99 LOG(FATAL) << "Radio HAL compat service has stopped";
100 }
101
102 } // namespace android::hardware::radio::service
103
main()104 int main() {
105 android::hardware::radio::service::main();
106 return EXIT_FAILURE; // should not reach
107 }
108