Ed Coyne | 7464ac9 | 2017-06-08 12:26:48 -0700 | [diff] [blame] | 1 | /* |
| 2 | * Copyright (C) 2017 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 "BootAction.h" |
| 18 | |
| 19 | #define LOG_TAG "BootAction" |
| 20 | |
Ed Coyne | 7464ac9 | 2017-06-08 12:26:48 -0700 | [diff] [blame] | 21 | #include <dlfcn.h> |
Braden Kell | 6dd64f3 | 2017-09-25 17:30:28 -0700 | [diff] [blame] | 22 | |
Ed Coyne | 7464ac9 | 2017-06-08 12:26:48 -0700 | [diff] [blame] | 23 | #include <pio/peripheral_manager_client.h> |
| 24 | #include <utils/Log.h> |
| 25 | |
Ed Coyne | 7464ac9 | 2017-06-08 12:26:48 -0700 | [diff] [blame] | 26 | namespace android { |
| 27 | |
| 28 | BootAction::~BootAction() { |
| 29 | if (mLibHandle != nullptr) { |
| 30 | dlclose(mLibHandle); |
| 31 | } |
| 32 | } |
| 33 | |
David Pursell | 54a8fe4 | 2017-09-29 16:05:26 -0700 | [diff] [blame] | 34 | bool BootAction::init(const std::string& libraryPath, |
| 35 | const std::vector<ABootActionParameter>& parameters) { |
Ed Coyne | 7464ac9 | 2017-06-08 12:26:48 -0700 | [diff] [blame] | 36 | APeripheralManagerClient* client = nullptr; |
| 37 | ALOGD("Connecting to peripheralmanager"); |
| 38 | // Wait for peripheral manager to come up. |
| 39 | while (client == nullptr) { |
| 40 | client = APeripheralManagerClient_new(); |
| 41 | if (client == nullptr) { |
| 42 | ALOGV("peripheralmanager is not up, sleeping before we check again."); |
| 43 | usleep(250000); |
| 44 | } |
| 45 | } |
| 46 | ALOGD("Peripheralmanager is up."); |
| 47 | APeripheralManagerClient_delete(client); |
| 48 | |
Braden Kell | 6dd64f3 | 2017-09-25 17:30:28 -0700 | [diff] [blame] | 49 | |
Ed Coyne | 428ed51 | 2017-08-14 15:10:06 -0700 | [diff] [blame] | 50 | ALOGI("Loading boot action %s", libraryPath.c_str()); |
| 51 | mLibHandle = dlopen(libraryPath.c_str(), RTLD_NOW); |
Ed Coyne | 7464ac9 | 2017-06-08 12:26:48 -0700 | [diff] [blame] | 52 | if (mLibHandle == nullptr) { |
| 53 | ALOGE("Unable to load library at %s :: %s", |
Ed Coyne | 428ed51 | 2017-08-14 15:10:06 -0700 | [diff] [blame] | 54 | libraryPath.c_str(), dlerror()); |
Ed Coyne | 7464ac9 | 2017-06-08 12:26:48 -0700 | [diff] [blame] | 55 | return false; |
| 56 | } |
| 57 | |
| 58 | void* loaded = nullptr; |
| 59 | if (!loadSymbol("boot_action_init", &loaded) || loaded == nullptr) { |
| 60 | return false; |
| 61 | } |
| 62 | mLibInit = reinterpret_cast<libInit>(loaded); |
| 63 | |
| 64 | loaded = nullptr; |
| 65 | if (!loadSymbol("boot_action_shutdown", &loaded) || loaded == nullptr) { |
| 66 | return false; |
| 67 | } |
| 68 | mLibShutdown = reinterpret_cast<libShutdown>(loaded); |
| 69 | |
| 70 | // StartPart is considered optional, if it isn't exported by the library |
| 71 | // we will still call init and shutdown. |
| 72 | loaded = nullptr; |
| 73 | if (!loadSymbol("boot_action_start_part", &loaded) || loaded == nullptr) { |
| 74 | ALOGI("No boot_action_start_part found, action will not be told when " |
| 75 | "Animation parts change."); |
| 76 | } else { |
| 77 | mLibStartPart = reinterpret_cast<libStartPart>(loaded); |
| 78 | } |
| 79 | |
| 80 | ALOGD("Entering boot_action_init"); |
Braden Kell | 6dd64f3 | 2017-09-25 17:30:28 -0700 | [diff] [blame] | 81 | bool result = mLibInit(parameters.data(), parameters.size()); |
Ed Coyne | 7464ac9 | 2017-06-08 12:26:48 -0700 | [diff] [blame] | 82 | ALOGD("Returned from boot_action_init"); |
| 83 | return result; |
| 84 | } |
| 85 | |
| 86 | void BootAction::startPart(int partNumber, int playNumber) { |
| 87 | if (mLibStartPart == nullptr) return; |
| 88 | |
| 89 | ALOGD("Entering boot_action_start_part"); |
| 90 | mLibStartPart(partNumber, playNumber); |
| 91 | ALOGD("Returned from boot_action_start_part"); |
| 92 | } |
| 93 | |
| 94 | void BootAction::shutdown() { |
| 95 | ALOGD("Entering boot_action_shutdown"); |
| 96 | mLibShutdown(); |
| 97 | ALOGD("Returned from boot_action_shutdown"); |
| 98 | } |
| 99 | |
| 100 | bool BootAction::loadSymbol(const char* symbol, void** loaded) { |
| 101 | *loaded = dlsym(mLibHandle, symbol); |
| 102 | if (loaded == nullptr) { |
| 103 | ALOGE("Unable to load symbol : %s :: %s", symbol, dlerror()); |
| 104 | return false; |
| 105 | } |
| 106 | return true; |
| 107 | } |
| 108 | |
Ed Coyne | 7464ac9 | 2017-06-08 12:26:48 -0700 | [diff] [blame] | 109 | } // namespace android |