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Mathias Agopian65ab4712010-07-14 17:59:35 -07001/*
Ruben Brunkd1176ef2014-02-21 10:51:38 -08002 * Copyright (C) 2008 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 */
Mathias Agopian65ab4712010-07-14 17:59:35 -070016
17#define LOG_TAG "CameraService"
Eino-Ville Talvalaa84bbe62015-09-08 17:59:17 -070018#define ATRACE_TAG ATRACE_TAG_CAMERA
Iliyan Malchev8951a972011-04-14 16:55:59 -070019//#define LOG_NDEBUG 0
Mathias Agopian65ab4712010-07-14 17:59:35 -070020
Ruben Brunkcc776712015-02-17 20:18:47 -080021#include <algorithm>
22#include <climits>
Mathias Agopian65ab4712010-07-14 17:59:35 -070023#include <stdio.h>
Ruben Brunkcc776712015-02-17 20:18:47 -080024#include <cstring>
25#include <ctime>
26#include <string>
Mathias Agopian65ab4712010-07-14 17:59:35 -070027#include <sys/types.h>
Ruben Brunkcc776712015-02-17 20:18:47 -080028#include <inttypes.h>
Mathias Agopian65ab4712010-07-14 17:59:35 -070029#include <pthread.h>
30
Eino-Ville Talvalad56db1d2015-12-17 16:50:35 -080031#include <android/hardware/ICamera.h>
32#include <android/hardware/ICameraClient.h>
33
Eino-Ville Talvalaceb388d2013-02-19 10:40:14 -080034#include <binder/AppOpsManager.h>
Mathias Agopian65ab4712010-07-14 17:59:35 -070035#include <binder/IPCThreadState.h>
36#include <binder/IServiceManager.h>
37#include <binder/MemoryBase.h>
38#include <binder/MemoryHeapBase.h>
Ruben Brunkcc776712015-02-17 20:18:47 -080039#include <binder/ProcessInfoService.h>
Mathias Agopian65ab4712010-07-14 17:59:35 -070040#include <cutils/atomic.h>
Nipun Kwatrab5ca4612010-09-11 19:31:10 -070041#include <cutils/properties.h>
Mathias Agopiandf712ea2012-02-25 18:48:35 -080042#include <gui/Surface.h>
Mathias Agopian65ab4712010-07-14 17:59:35 -070043#include <hardware/hardware.h>
44#include <media/AudioSystem.h>
Andreas Huber1b86fe02014-01-29 11:13:26 -080045#include <media/IMediaHTTPService.h>
Mathias Agopian65ab4712010-07-14 17:59:35 -070046#include <media/mediaplayer.h>
Ruben Brunk99e69712015-05-26 17:25:07 -070047#include <mediautils/BatteryNotifier.h>
Mathias Agopian65ab4712010-07-14 17:59:35 -070048#include <utils/Errors.h>
49#include <utils/Log.h>
50#include <utils/String16.h>
Ruben Brunkd1176ef2014-02-21 10:51:38 -080051#include <utils/Trace.h>
Chien-Yu Chen98a668f2015-12-18 14:10:33 -080052#include <private/android_filesystem_config.h>
Ruben Brunkd1176ef2014-02-21 10:51:38 -080053#include <system/camera_vendor_tags.h>
Ruben Brunkb2119af2014-05-09 19:57:56 -070054#include <system/camera_metadata.h>
55#include <system/camera.h>
Mathias Agopian65ab4712010-07-14 17:59:35 -070056
57#include "CameraService.h"
Eino-Ville Talvala7b82efe2013-07-25 17:12:35 -070058#include "api1/CameraClient.h"
59#include "api1/Camera2Client.h"
Eino-Ville Talvala7b82efe2013-07-25 17:12:35 -070060#include "api2/CameraDeviceClient.h"
Igor Murashkinff3e31d2013-10-23 16:40:06 -070061#include "utils/CameraTraces.h"
Mathias Agopian65ab4712010-07-14 17:59:35 -070062
Yin-Chia Yeh0dea57f2015-12-09 16:46:07 -080063namespace {
64 const char* kPermissionServiceName = "permission";
65}; // namespace anonymous
66
Mathias Agopian65ab4712010-07-14 17:59:35 -070067namespace android {
68
Eino-Ville Talvalad56db1d2015-12-17 16:50:35 -080069using binder::Status;
70using namespace hardware;
71
Mathias Agopian65ab4712010-07-14 17:59:35 -070072// ----------------------------------------------------------------------------
73// Logging support -- this is for debugging only
74// Use "adb shell dumpsys media.camera -v 1" to change it.
Eino-Ville Talvala5e08d602012-05-16 14:59:25 -070075volatile int32_t gLogLevel = 0;
Mathias Agopian65ab4712010-07-14 17:59:35 -070076
Steve Blockb8a80522011-12-20 16:23:08 +000077#define LOG1(...) ALOGD_IF(gLogLevel >= 1, __VA_ARGS__);
78#define LOG2(...) ALOGD_IF(gLogLevel >= 2, __VA_ARGS__);
Mathias Agopian65ab4712010-07-14 17:59:35 -070079
80static void setLogLevel(int level) {
81 android_atomic_write(level, &gLogLevel);
82}
83
Eino-Ville Talvalad56db1d2015-12-17 16:50:35 -080084// Convenience methods for constructing binder::Status objects for error returns
85
86#define STATUS_ERROR(errorCode, errorString) \
87 binder::Status::fromServiceSpecificError(errorCode, \
88 String8::format("%s:%d: %s", __FUNCTION__, __LINE__, errorString))
89
90#define STATUS_ERROR_FMT(errorCode, errorString, ...) \
91 binder::Status::fromServiceSpecificError(errorCode, \
92 String8::format("%s:%d: " errorString, __FUNCTION__, __LINE__, \
93 __VA_ARGS__))
94
Mathias Agopian65ab4712010-07-14 17:59:35 -070095// ----------------------------------------------------------------------------
96
Igor Murashkincba2c162013-03-20 15:56:31 -070097extern "C" {
98static void camera_device_status_change(
99 const struct camera_module_callbacks* callbacks,
100 int camera_id,
101 int new_status) {
102 sp<CameraService> cs = const_cast<CameraService*>(
Ruben Brunkcc776712015-02-17 20:18:47 -0800103 static_cast<const CameraService*>(callbacks));
Igor Murashkincba2c162013-03-20 15:56:31 -0700104
Bin Chene16d1162016-02-22 18:19:58 +1100105 cs->onDeviceStatusChanged(camera_id,
Ruben Brunkcc776712015-02-17 20:18:47 -0800106 static_cast<camera_device_status_t>(new_status));
Igor Murashkincba2c162013-03-20 15:56:31 -0700107}
Chien-Yu Chen3068d732015-02-09 13:29:57 -0800108
109static void torch_mode_status_change(
110 const struct camera_module_callbacks* callbacks,
111 const char* camera_id,
112 int new_status) {
113 if (!callbacks || !camera_id) {
114 ALOGE("%s invalid parameters. callbacks %p, camera_id %p", __FUNCTION__,
115 callbacks, camera_id);
116 }
117 sp<CameraService> cs = const_cast<CameraService*>(
118 static_cast<const CameraService*>(callbacks));
119
Eino-Ville Talvalad56db1d2015-12-17 16:50:35 -0800120 int32_t status;
Chien-Yu Chen3068d732015-02-09 13:29:57 -0800121 switch (new_status) {
Chien-Yu Chen88da5262015-02-17 13:56:46 -0800122 case TORCH_MODE_STATUS_NOT_AVAILABLE:
Chien-Yu Chen3068d732015-02-09 13:29:57 -0800123 status = ICameraServiceListener::TORCH_STATUS_NOT_AVAILABLE;
124 break;
Chien-Yu Chen88da5262015-02-17 13:56:46 -0800125 case TORCH_MODE_STATUS_AVAILABLE_OFF:
126 status = ICameraServiceListener::TORCH_STATUS_AVAILABLE_OFF;
127 break;
128 case TORCH_MODE_STATUS_AVAILABLE_ON:
129 status = ICameraServiceListener::TORCH_STATUS_AVAILABLE_ON;
Chien-Yu Chen3068d732015-02-09 13:29:57 -0800130 break;
131 default:
132 ALOGE("Unknown torch status %d", new_status);
133 return;
134 }
135
136 cs->onTorchStatusChanged(
Chien-Yu Chen88da5262015-02-17 13:56:46 -0800137 String8(camera_id),
Chien-Yu Chen3068d732015-02-09 13:29:57 -0800138 status);
139}
Igor Murashkincba2c162013-03-20 15:56:31 -0700140} // extern "C"
141
Mathias Agopian65ab4712010-07-14 17:59:35 -0700142// ----------------------------------------------------------------------------
143
144// This is ugly and only safe if we never re-create the CameraService, but
145// should be ok for now.
146static CameraService *gCameraService;
147
Eino-Ville Talvala49c97052016-01-12 14:29:40 -0800148CameraService::CameraService() :
149 mEventLog(DEFAULT_EVENT_LOG_LENGTH),
Eino-Ville Talvalad56db1d2015-12-17 16:50:35 -0800150 mNumberOfCameras(0), mNumberOfNormalCameras(0),
151 mSoundRef(0), mModule(nullptr) {
Steve Blockdf64d152012-01-04 20:05:49 +0000152 ALOGI("CameraService started (pid=%d)", getpid());
Mathias Agopian65ab4712010-07-14 17:59:35 -0700153 gCameraService = this;
Igor Murashkinbfc99152013-02-27 12:55:20 -0800154
Igor Murashkincba2c162013-03-20 15:56:31 -0700155 this->camera_device_status_change = android::camera_device_status_change;
Chien-Yu Chen3068d732015-02-09 13:29:57 -0800156 this->torch_mode_status_change = android::torch_mode_status_change;
157
Ruben Brunkcc776712015-02-17 20:18:47 -0800158 mServiceLockWrapper = std::make_shared<WaitableMutexWrapper>(&mServiceLock);
Mathias Agopian65ab4712010-07-14 17:59:35 -0700159}
160
Iliyan Malchev8951a972011-04-14 16:55:59 -0700161void CameraService::onFirstRef()
162{
Ruben Brunkcc776712015-02-17 20:18:47 -0800163 ALOGI("CameraService process starting");
Igor Murashkin634a5152013-02-20 17:15:11 -0800164
Iliyan Malchev8951a972011-04-14 16:55:59 -0700165 BnCameraService::onFirstRef();
166
Ruben Brunk99e69712015-05-26 17:25:07 -0700167 // Update battery life tracking if service is restarting
168 BatteryNotifier& notifier(BatteryNotifier::getInstance());
169 notifier.noteResetCamera();
170 notifier.noteResetFlashlight();
171
Yin-Chia Yehe074a932015-01-30 10:29:02 -0800172 camera_module_t *rawModule;
Eino-Ville Talvala1527f072015-04-07 15:55:31 -0700173 int err = hw_get_module(CAMERA_HARDWARE_MODULE_ID,
174 (const hw_module_t **)&rawModule);
175 if (err < 0) {
176 ALOGE("Could not load camera HAL module: %d (%s)", err, strerror(-err));
177 logServiceError("Could not load camera HAL module", err);
Eino-Ville Talvala1527f072015-04-07 15:55:31 -0700178 return;
Iliyan Malchev8951a972011-04-14 16:55:59 -0700179 }
Chien-Yu Chen88da5262015-02-17 13:56:46 -0800180
Eino-Ville Talvala1527f072015-04-07 15:55:31 -0700181 mModule = new CameraModule(rawModule);
Eino-Ville Talvala1527f072015-04-07 15:55:31 -0700182 err = mModule->init();
183 if (err != OK) {
184 ALOGE("Could not initialize camera HAL module: %d (%s)", err,
185 strerror(-err));
186 logServiceError("Could not initialize camera HAL module", err);
Chien-Yu Chen88da5262015-02-17 13:56:46 -0800187
Eino-Ville Talvala1527f072015-04-07 15:55:31 -0700188 delete mModule;
189 mModule = nullptr;
190 return;
Iliyan Malchev8951a972011-04-14 16:55:59 -0700191 }
Eino-Ville Talvalaa84bbe62015-09-08 17:59:17 -0700192 ALOGI("Loaded \"%s\" camera module", mModule->getModuleName());
Eino-Ville Talvala1527f072015-04-07 15:55:31 -0700193
194 mNumberOfCameras = mModule->getNumberOfCameras();
Eino-Ville Talvalabad43582015-08-14 13:12:32 -0700195 mNumberOfNormalCameras = mNumberOfCameras;
Eino-Ville Talvala1527f072015-04-07 15:55:31 -0700196
Yin-Chia Yehd4a653a2015-10-14 11:05:44 -0700197 // Setup vendor tags before we call get_camera_info the first time
198 // because HAL might need to setup static vendor keys in get_camera_info
199 VendorTagDescriptor::clearGlobalVendorTagDescriptor();
200 if (mModule->getModuleApiVersion() >= CAMERA_MODULE_API_VERSION_2_2) {
201 setUpVendorTags();
202 }
203
Eino-Ville Talvala1527f072015-04-07 15:55:31 -0700204 mFlashlight = new CameraFlashlight(*mModule, *this);
205 status_t res = mFlashlight->findFlashUnits();
206 if (res) {
207 // impossible because we haven't open any camera devices.
208 ALOGE("Failed to find flash units.");
209 }
210
Eino-Ville Talvalabad43582015-08-14 13:12:32 -0700211 int latestStrangeCameraId = INT_MAX;
Eino-Ville Talvala1527f072015-04-07 15:55:31 -0700212 for (int i = 0; i < mNumberOfCameras; i++) {
213 String8 cameraId = String8::format("%d", i);
214
Eino-Ville Talvalabad43582015-08-14 13:12:32 -0700215 // Get camera info
216
217 struct camera_info info;
218 bool haveInfo = true;
219 status_t rc = mModule->getCameraInfo(i, &info);
220 if (rc != NO_ERROR) {
221 ALOGE("%s: Received error loading camera info for device %d, cost and"
222 " conflicting devices fields set to defaults for this device.",
223 __FUNCTION__, i);
224 haveInfo = false;
225 }
226
227 // Check for backwards-compatibility support
228 if (haveInfo) {
229 if (checkCameraCapabilities(i, info, &latestStrangeCameraId) != OK) {
230 delete mModule;
231 mModule = nullptr;
232 return;
233 }
234 }
235
Eino-Ville Talvala1527f072015-04-07 15:55:31 -0700236 // Defaults to use for cost and conflicting devices
237 int cost = 100;
238 char** conflicting_devices = nullptr;
239 size_t conflicting_devices_length = 0;
240
241 // If using post-2.4 module version, query the cost + conflicting devices from the HAL
Eino-Ville Talvalabad43582015-08-14 13:12:32 -0700242 if (mModule->getModuleApiVersion() >= CAMERA_MODULE_API_VERSION_2_4 && haveInfo) {
243 cost = info.resource_cost;
244 conflicting_devices = info.conflicting_devices;
245 conflicting_devices_length = info.conflicting_devices_length;
Eino-Ville Talvala1527f072015-04-07 15:55:31 -0700246 }
247
248 std::set<String8> conflicting;
249 for (size_t i = 0; i < conflicting_devices_length; i++) {
250 conflicting.emplace(String8(conflicting_devices[i]));
251 }
252
253 // Initialize state for each camera device
254 {
255 Mutex::Autolock lock(mCameraStatesLock);
256 mCameraStates.emplace(cameraId, std::make_shared<CameraState>(cameraId, cost,
257 conflicting));
258 }
259
260 if (mFlashlight->hasFlashUnit(cameraId)) {
261 mTorchStatusMap.add(cameraId,
262 ICameraServiceListener::TORCH_STATUS_AVAILABLE_OFF);
263 }
264 }
265
266 if (mModule->getModuleApiVersion() >= CAMERA_MODULE_API_VERSION_2_1) {
267 mModule->setCallbacks(this);
268 }
269
Ruben Brunk2823ce02015-05-19 17:25:13 -0700270 CameraService::pingCameraServiceProxy();
271}
272
Eino-Ville Talvala412fe562015-08-20 17:08:32 -0700273sp<ICameraServiceProxy> CameraService::getCameraServiceProxy() {
Christopher Wiley92c06fc2016-02-11 15:40:05 -0800274 sp<ICameraServiceProxy> proxyBinder = nullptr;
275#ifndef __BRILLO__
Ruben Brunk2823ce02015-05-19 17:25:13 -0700276 sp<IServiceManager> sm = defaultServiceManager();
277 sp<IBinder> binder = sm->getService(String16("media.camera.proxy"));
Christopher Wiley92c06fc2016-02-11 15:40:05 -0800278 if (binder != nullptr) {
279 proxyBinder = interface_cast<ICameraServiceProxy>(binder);
Ruben Brunk2823ce02015-05-19 17:25:13 -0700280 }
Christopher Wiley92c06fc2016-02-11 15:40:05 -0800281#endif
Eino-Ville Talvala412fe562015-08-20 17:08:32 -0700282 return proxyBinder;
283}
284
285void CameraService::pingCameraServiceProxy() {
286 sp<ICameraServiceProxy> proxyBinder = getCameraServiceProxy();
287 if (proxyBinder == nullptr) return;
Ruben Brunk2823ce02015-05-19 17:25:13 -0700288 proxyBinder->pingForUserUpdate();
Iliyan Malchev8951a972011-04-14 16:55:59 -0700289}
290
Mathias Agopian65ab4712010-07-14 17:59:35 -0700291CameraService::~CameraService() {
Yin-Chia Yehe074a932015-01-30 10:29:02 -0800292 if (mModule) {
293 delete mModule;
Ruben Brunkcc776712015-02-17 20:18:47 -0800294 mModule = nullptr;
Yin-Chia Yehe074a932015-01-30 10:29:02 -0800295 }
Ruben Brunkd1176ef2014-02-21 10:51:38 -0800296 VendorTagDescriptor::clearGlobalVendorTagDescriptor();
Ruben Brunkcc776712015-02-17 20:18:47 -0800297 gCameraService = nullptr;
Mathias Agopian65ab4712010-07-14 17:59:35 -0700298}
299
Bin Chene16d1162016-02-22 18:19:58 +1100300void CameraService::onDeviceStatusChanged(int cameraId,
Ruben Brunkcc776712015-02-17 20:18:47 -0800301 camera_device_status_t newStatus) {
302 ALOGI("%s: Status changed for cameraId=%d, newStatus=%d", __FUNCTION__,
Igor Murashkincba2c162013-03-20 15:56:31 -0700303 cameraId, newStatus);
304
Ruben Brunkcc776712015-02-17 20:18:47 -0800305 String8 id = String8::format("%d", cameraId);
306 std::shared_ptr<CameraState> state = getCameraState(id);
307
308 if (state == nullptr) {
Igor Murashkincba2c162013-03-20 15:56:31 -0700309 ALOGE("%s: Bad camera ID %d", __FUNCTION__, cameraId);
310 return;
311 }
312
Eino-Ville Talvalad56db1d2015-12-17 16:50:35 -0800313 int32_t oldStatus = state->getStatus();
Ruben Brunkcc776712015-02-17 20:18:47 -0800314
Eino-Ville Talvalad56db1d2015-12-17 16:50:35 -0800315 if (oldStatus == static_cast<int32_t>(newStatus)) {
Ruben Brunkcc776712015-02-17 20:18:47 -0800316 ALOGE("%s: State transition to the same status %#x not allowed", __FUNCTION__, newStatus);
Igor Murashkincba2c162013-03-20 15:56:31 -0700317 return;
318 }
319
Igor Murashkincba2c162013-03-20 15:56:31 -0700320 if (newStatus == CAMERA_DEVICE_STATUS_NOT_PRESENT) {
Ruben Brunka8ca9152015-04-07 14:23:40 -0700321 logDeviceRemoved(id, String8::format("Device status changed from %d to %d", oldStatus,
322 newStatus));
Ruben Brunkcc776712015-02-17 20:18:47 -0800323 sp<BasicClient> clientToDisconnect;
Igor Murashkincba2c162013-03-20 15:56:31 -0700324 {
Ruben Brunkcc776712015-02-17 20:18:47 -0800325 // Don't do this in updateStatus to avoid deadlock over mServiceLock
326 Mutex::Autolock lock(mServiceLock);
Igor Murashkincba2c162013-03-20 15:56:31 -0700327
Ruben Brunkcc776712015-02-17 20:18:47 -0800328 // Set the device status to NOT_PRESENT, clients will no longer be able to connect
329 // to this device until the status changes
330 updateStatus(ICameraServiceListener::STATUS_NOT_PRESENT, id);
Ruben Brunkb2119af2014-05-09 19:57:56 -0700331
Ruben Brunkcc776712015-02-17 20:18:47 -0800332 // Remove cached shim parameters
333 state->setShimParams(CameraParameters());
Igor Murashkincba2c162013-03-20 15:56:31 -0700334
Ruben Brunkcc776712015-02-17 20:18:47 -0800335 // Remove the client from the list of active clients
336 clientToDisconnect = removeClientLocked(id);
337
338 // Notify the client of disconnection
Eino-Ville Talvalad56db1d2015-12-17 16:50:35 -0800339 clientToDisconnect->notifyError(
340 hardware::camera2::ICameraDeviceCallbacks::ERROR_CAMERA_DISCONNECTED,
Ruben Brunkcc776712015-02-17 20:18:47 -0800341 CaptureResultExtras{});
Igor Murashkincba2c162013-03-20 15:56:31 -0700342 }
343
Ruben Brunkcc776712015-02-17 20:18:47 -0800344 ALOGI("%s: Client for camera ID %s evicted due to device status change from HAL",
345 __FUNCTION__, id.string());
Igor Murashkincba2c162013-03-20 15:56:31 -0700346
Ruben Brunkcc776712015-02-17 20:18:47 -0800347 // Disconnect client
348 if (clientToDisconnect.get() != nullptr) {
349 // Ensure not in binder RPC so client disconnect PID checks work correctly
350 LOG_ALWAYS_FATAL_IF(getCallingPid() != getpid(),
351 "onDeviceStatusChanged must be called from the camera service process!");
352 clientToDisconnect->disconnect();
Igor Murashkincba2c162013-03-20 15:56:31 -0700353 }
354
Ruben Brunkcc776712015-02-17 20:18:47 -0800355 } else {
Eino-Ville Talvalad56db1d2015-12-17 16:50:35 -0800356 if (oldStatus == ICameraServiceListener::STATUS_NOT_PRESENT) {
Ruben Brunka8ca9152015-04-07 14:23:40 -0700357 logDeviceAdded(id, String8::format("Device status changed from %d to %d", oldStatus,
358 newStatus));
359 }
Eino-Ville Talvalad56db1d2015-12-17 16:50:35 -0800360 updateStatus(static_cast<int32_t>(newStatus), id);
Igor Murashkincba2c162013-03-20 15:56:31 -0700361 }
362
Igor Murashkincba2c162013-03-20 15:56:31 -0700363}
364
Chien-Yu Chen88da5262015-02-17 13:56:46 -0800365void CameraService::onTorchStatusChanged(const String8& cameraId,
Eino-Ville Talvalad56db1d2015-12-17 16:50:35 -0800366 int32_t newStatus) {
Chien-Yu Chen3068d732015-02-09 13:29:57 -0800367 Mutex::Autolock al(mTorchStatusMutex);
368 onTorchStatusChangedLocked(cameraId, newStatus);
369}
370
Chien-Yu Chen88da5262015-02-17 13:56:46 -0800371void CameraService::onTorchStatusChangedLocked(const String8& cameraId,
Eino-Ville Talvalad56db1d2015-12-17 16:50:35 -0800372 int32_t newStatus) {
Chien-Yu Chen3068d732015-02-09 13:29:57 -0800373 ALOGI("%s: Torch status changed for cameraId=%s, newStatus=%d",
374 __FUNCTION__, cameraId.string(), newStatus);
375
Eino-Ville Talvalad56db1d2015-12-17 16:50:35 -0800376 int32_t status;
Chien-Yu Chen88da5262015-02-17 13:56:46 -0800377 status_t res = getTorchStatusLocked(cameraId, &status);
378 if (res) {
Chien-Yu Chenf6463fc2015-04-07 15:11:31 -0700379 ALOGE("%s: cannot get torch status of camera %s: %s (%d)",
380 __FUNCTION__, cameraId.string(), strerror(-res), res);
Chien-Yu Chen88da5262015-02-17 13:56:46 -0800381 return;
382 }
383 if (status == newStatus) {
Chien-Yu Chen3068d732015-02-09 13:29:57 -0800384 return;
385 }
386
Chien-Yu Chen88da5262015-02-17 13:56:46 -0800387 res = setTorchStatusLocked(cameraId, newStatus);
Chien-Yu Chen3068d732015-02-09 13:29:57 -0800388 if (res) {
Eino-Ville Talvalad309fb92015-11-25 12:12:45 -0800389 ALOGE("%s: Failed to set the torch status to %d: %s (%d)", __FUNCTION__,
390 (uint32_t)newStatus, strerror(-res), res);
Chien-Yu Chen3068d732015-02-09 13:29:57 -0800391 return;
392 }
393
Ruben Brunkcc776712015-02-17 20:18:47 -0800394 {
Ruben Brunk99e69712015-05-26 17:25:07 -0700395 // Update battery life logging for flashlight
Chien-Yu Chenfe751be2015-09-01 14:16:44 -0700396 Mutex::Autolock al(mTorchUidMapMutex);
Ruben Brunk99e69712015-05-26 17:25:07 -0700397 auto iter = mTorchUidMap.find(cameraId);
398 if (iter != mTorchUidMap.end()) {
399 int oldUid = iter->second.second;
400 int newUid = iter->second.first;
401 BatteryNotifier& notifier(BatteryNotifier::getInstance());
402 if (oldUid != newUid) {
403 // If the UID has changed, log the status and update current UID in mTorchUidMap
404 if (status == ICameraServiceListener::TORCH_STATUS_AVAILABLE_ON) {
405 notifier.noteFlashlightOff(cameraId, oldUid);
406 }
407 if (newStatus == ICameraServiceListener::TORCH_STATUS_AVAILABLE_ON) {
408 notifier.noteFlashlightOn(cameraId, newUid);
409 }
410 iter->second.second = newUid;
411 } else {
412 // If the UID has not changed, log the status
413 if (newStatus == ICameraServiceListener::TORCH_STATUS_AVAILABLE_ON) {
414 notifier.noteFlashlightOn(cameraId, oldUid);
415 } else {
416 notifier.noteFlashlightOff(cameraId, oldUid);
417 }
418 }
419 }
420 }
421
422 {
Ruben Brunkcc776712015-02-17 20:18:47 -0800423 Mutex::Autolock lock(mStatusListenerLock);
424 for (auto& i : mListenerList) {
425 i->onTorchStatusChanged(newStatus, String16{cameraId});
426 }
Chien-Yu Chen3068d732015-02-09 13:29:57 -0800427 }
428}
429
Eino-Ville Talvalad56db1d2015-12-17 16:50:35 -0800430Status CameraService::getNumberOfCameras(int32_t type, int32_t* numCameras) {
Eino-Ville Talvalaa84bbe62015-09-08 17:59:17 -0700431 ATRACE_CALL();
Eino-Ville Talvalabad43582015-08-14 13:12:32 -0700432 switch (type) {
433 case CAMERA_TYPE_BACKWARD_COMPATIBLE:
Eino-Ville Talvalad56db1d2015-12-17 16:50:35 -0800434 *numCameras = mNumberOfNormalCameras;
435 break;
Eino-Ville Talvalabad43582015-08-14 13:12:32 -0700436 case CAMERA_TYPE_ALL:
Eino-Ville Talvalad56db1d2015-12-17 16:50:35 -0800437 *numCameras = mNumberOfCameras;
438 break;
Eino-Ville Talvalabad43582015-08-14 13:12:32 -0700439 default:
Eino-Ville Talvalad56db1d2015-12-17 16:50:35 -0800440 ALOGW("%s: Unknown camera type %d",
Eino-Ville Talvalabad43582015-08-14 13:12:32 -0700441 __FUNCTION__, type);
Eino-Ville Talvalad56db1d2015-12-17 16:50:35 -0800442 return STATUS_ERROR_FMT(ERROR_ILLEGAL_ARGUMENT,
443 "Unknown camera type %d", type);
Eino-Ville Talvalabad43582015-08-14 13:12:32 -0700444 }
Eino-Ville Talvalad56db1d2015-12-17 16:50:35 -0800445 return Status::ok();
Mathias Agopian65ab4712010-07-14 17:59:35 -0700446}
447
Eino-Ville Talvalad56db1d2015-12-17 16:50:35 -0800448Status CameraService::getCameraInfo(int cameraId,
449 CameraInfo* cameraInfo) {
Eino-Ville Talvalaa84bbe62015-09-08 17:59:17 -0700450 ATRACE_CALL();
Iliyan Malchev8951a972011-04-14 16:55:59 -0700451 if (!mModule) {
Eino-Ville Talvalad56db1d2015-12-17 16:50:35 -0800452 return STATUS_ERROR(ERROR_DISCONNECTED,
453 "Camera subsystem is not available");
Iliyan Malchev8951a972011-04-14 16:55:59 -0700454 }
455
Mathias Agopian65ab4712010-07-14 17:59:35 -0700456 if (cameraId < 0 || cameraId >= mNumberOfCameras) {
Eino-Ville Talvalad56db1d2015-12-17 16:50:35 -0800457 return STATUS_ERROR(ERROR_ILLEGAL_ARGUMENT,
458 "CameraId is not valid");
Mathias Agopian65ab4712010-07-14 17:59:35 -0700459 }
460
Iliyan Malchev8951a972011-04-14 16:55:59 -0700461 struct camera_info info;
Eino-Ville Talvalad56db1d2015-12-17 16:50:35 -0800462 Status rc = filterGetInfoErrorCode(
Yin-Chia Yehe074a932015-01-30 10:29:02 -0800463 mModule->getCameraInfo(cameraId, &info));
Eino-Ville Talvalad56db1d2015-12-17 16:50:35 -0800464
465 if (rc.isOk()) {
466 cameraInfo->facing = info.facing;
467 cameraInfo->orientation = info.orientation;
468 }
Iliyan Malchev8951a972011-04-14 16:55:59 -0700469 return rc;
Mathias Agopian65ab4712010-07-14 17:59:35 -0700470}
471
Ruben Brunkcc776712015-02-17 20:18:47 -0800472int CameraService::cameraIdToInt(const String8& cameraId) {
473 errno = 0;
474 size_t pos = 0;
475 int ret = stoi(std::string{cameraId.string()}, &pos);
476 if (errno != 0 || pos != cameraId.size()) {
477 return -1;
478 }
479 return ret;
480}
Ruben Brunkb2119af2014-05-09 19:57:56 -0700481
Eino-Ville Talvalad56db1d2015-12-17 16:50:35 -0800482Status CameraService::generateShimMetadata(int cameraId, /*out*/CameraMetadata* cameraInfo) {
Eino-Ville Talvalaa84bbe62015-09-08 17:59:17 -0700483 ATRACE_CALL();
Eino-Ville Talvalad56db1d2015-12-17 16:50:35 -0800484
485 Status ret = Status::ok();
486
Ruben Brunkb2119af2014-05-09 19:57:56 -0700487 struct CameraInfo info;
Eino-Ville Talvalad56db1d2015-12-17 16:50:35 -0800488 if (!(ret = getCameraInfo(cameraId, &info)).isOk()) {
Ruben Brunkb2119af2014-05-09 19:57:56 -0700489 return ret;
490 }
491
492 CameraMetadata shimInfo;
493 int32_t orientation = static_cast<int32_t>(info.orientation);
Eino-Ville Talvalad56db1d2015-12-17 16:50:35 -0800494 status_t rc;
495 if ((rc = shimInfo.update(ANDROID_SENSOR_ORIENTATION, &orientation, 1)) != OK) {
496 return STATUS_ERROR_FMT(ERROR_INVALID_OPERATION,
497 "Error updating metadata: %d (%s)", rc, strerror(-rc));
Ruben Brunkb2119af2014-05-09 19:57:56 -0700498 }
499
500 uint8_t facing = (info.facing == CAMERA_FACING_FRONT) ?
501 ANDROID_LENS_FACING_FRONT : ANDROID_LENS_FACING_BACK;
Eino-Ville Talvalad56db1d2015-12-17 16:50:35 -0800502 if ((rc = shimInfo.update(ANDROID_LENS_FACING, &facing, 1)) != OK) {
503 return STATUS_ERROR_FMT(ERROR_INVALID_OPERATION,
504 "Error updating metadata: %d (%s)", rc, strerror(-rc));
Ruben Brunkb2119af2014-05-09 19:57:56 -0700505 }
506
Igor Murashkin65d14b92014-06-17 12:03:20 -0700507 CameraParameters shimParams;
Eino-Ville Talvalad56db1d2015-12-17 16:50:35 -0800508 if (!(ret = getLegacyParametersLazy(cameraId, /*out*/&shimParams)).isOk()) {
Igor Murashkin65d14b92014-06-17 12:03:20 -0700509 // Error logged by callee
510 return ret;
Ruben Brunkb2119af2014-05-09 19:57:56 -0700511 }
512
513 Vector<Size> sizes;
Ruben Brunk152dbcf2014-06-12 19:11:45 -0700514 Vector<Size> jpegSizes;
Ruben Brunkb2119af2014-05-09 19:57:56 -0700515 Vector<int32_t> formats;
Igor Murashkin65d14b92014-06-17 12:03:20 -0700516 {
517 shimParams.getSupportedPreviewSizes(/*out*/sizes);
518 shimParams.getSupportedPreviewFormats(/*out*/formats);
519 shimParams.getSupportedPictureSizes(/*out*/jpegSizes);
Ruben Brunkb2119af2014-05-09 19:57:56 -0700520 }
521
522 // Always include IMPLEMENTATION_DEFINED
523 formats.add(HAL_PIXEL_FORMAT_IMPLEMENTATION_DEFINED);
524
525 const size_t INTS_PER_CONFIG = 4;
526
527 // Build available stream configurations metadata
Ruben Brunk152dbcf2014-06-12 19:11:45 -0700528 size_t streamConfigSize = (sizes.size() * formats.size() + jpegSizes.size()) * INTS_PER_CONFIG;
529
530 Vector<int32_t> streamConfigs;
531 streamConfigs.setCapacity(streamConfigSize);
532
Ruben Brunkb2119af2014-05-09 19:57:56 -0700533 for (size_t i = 0; i < formats.size(); ++i) {
534 for (size_t j = 0; j < sizes.size(); ++j) {
Ruben Brunk152dbcf2014-06-12 19:11:45 -0700535 streamConfigs.add(formats[i]);
536 streamConfigs.add(sizes[j].width);
537 streamConfigs.add(sizes[j].height);
538 streamConfigs.add(ANDROID_SCALER_AVAILABLE_STREAM_CONFIGURATIONS_OUTPUT);
Ruben Brunkb2119af2014-05-09 19:57:56 -0700539 }
540 }
541
Ruben Brunk152dbcf2014-06-12 19:11:45 -0700542 for (size_t i = 0; i < jpegSizes.size(); ++i) {
543 streamConfigs.add(HAL_PIXEL_FORMAT_BLOB);
544 streamConfigs.add(jpegSizes[i].width);
545 streamConfigs.add(jpegSizes[i].height);
546 streamConfigs.add(ANDROID_SCALER_AVAILABLE_STREAM_CONFIGURATIONS_OUTPUT);
547 }
548
Eino-Ville Talvalad56db1d2015-12-17 16:50:35 -0800549 if ((rc = shimInfo.update(ANDROID_SCALER_AVAILABLE_STREAM_CONFIGURATIONS,
Ruben Brunk152dbcf2014-06-12 19:11:45 -0700550 streamConfigs.array(), streamConfigSize)) != OK) {
Eino-Ville Talvalad56db1d2015-12-17 16:50:35 -0800551 return STATUS_ERROR_FMT(ERROR_INVALID_OPERATION,
552 "Error updating metadata: %d (%s)", rc, strerror(-rc));
Ruben Brunkb2119af2014-05-09 19:57:56 -0700553 }
554
555 int64_t fakeMinFrames[0];
556 // TODO: Fixme, don't fake min frame durations.
Eino-Ville Talvalad56db1d2015-12-17 16:50:35 -0800557 if ((rc = shimInfo.update(ANDROID_SCALER_AVAILABLE_MIN_FRAME_DURATIONS,
Ruben Brunkb2119af2014-05-09 19:57:56 -0700558 fakeMinFrames, 0)) != OK) {
Eino-Ville Talvalad56db1d2015-12-17 16:50:35 -0800559 return STATUS_ERROR_FMT(ERROR_INVALID_OPERATION,
560 "Error updating metadata: %d (%s)", rc, strerror(-rc));
Ruben Brunkb2119af2014-05-09 19:57:56 -0700561 }
562
563 int64_t fakeStalls[0];
564 // TODO: Fixme, don't fake stall durations.
Eino-Ville Talvalad56db1d2015-12-17 16:50:35 -0800565 if ((rc = shimInfo.update(ANDROID_SCALER_AVAILABLE_STALL_DURATIONS,
Ruben Brunkb2119af2014-05-09 19:57:56 -0700566 fakeStalls, 0)) != OK) {
Eino-Ville Talvalad56db1d2015-12-17 16:50:35 -0800567 return STATUS_ERROR_FMT(ERROR_INVALID_OPERATION,
568 "Error updating metadata: %d (%s)", rc, strerror(-rc));
Ruben Brunkb2119af2014-05-09 19:57:56 -0700569 }
570
571 *cameraInfo = shimInfo;
Eino-Ville Talvalad56db1d2015-12-17 16:50:35 -0800572 return ret;
Ruben Brunkb2119af2014-05-09 19:57:56 -0700573}
574
Eino-Ville Talvalad56db1d2015-12-17 16:50:35 -0800575Status CameraService::getCameraCharacteristics(int cameraId,
Zhijun He2b59be82013-09-25 10:14:30 -0700576 CameraMetadata* cameraInfo) {
Eino-Ville Talvalaa84bbe62015-09-08 17:59:17 -0700577 ATRACE_CALL();
Zhijun He2b59be82013-09-25 10:14:30 -0700578 if (!cameraInfo) {
579 ALOGE("%s: cameraInfo is NULL", __FUNCTION__);
Eino-Ville Talvalad56db1d2015-12-17 16:50:35 -0800580 return STATUS_ERROR(ERROR_ILLEGAL_ARGUMENT, "cameraInfo is NULL");
Zhijun He2b59be82013-09-25 10:14:30 -0700581 }
582
583 if (!mModule) {
584 ALOGE("%s: camera hardware module doesn't exist", __FUNCTION__);
Eino-Ville Talvalad56db1d2015-12-17 16:50:35 -0800585 return STATUS_ERROR(ERROR_DISCONNECTED,
586 "Camera subsystem is not available");;
Zhijun He2b59be82013-09-25 10:14:30 -0700587 }
588
Zhijun He2b59be82013-09-25 10:14:30 -0700589 if (cameraId < 0 || cameraId >= mNumberOfCameras) {
590 ALOGE("%s: Invalid camera id: %d", __FUNCTION__, cameraId);
Eino-Ville Talvalad56db1d2015-12-17 16:50:35 -0800591 return STATUS_ERROR_FMT(ERROR_ILLEGAL_ARGUMENT,
592 "Invalid camera id: %d", cameraId);
Zhijun He2b59be82013-09-25 10:14:30 -0700593 }
594
595 int facing;
Eino-Ville Talvalad56db1d2015-12-17 16:50:35 -0800596 Status ret;
Chien-Yu Chen676b21b2015-02-24 10:28:19 -0800597 if (mModule->getModuleApiVersion() < CAMERA_MODULE_API_VERSION_2_0 ||
Eino-Ville Talvalad309fb92015-11-25 12:12:45 -0800598 getDeviceVersion(cameraId, &facing) < CAMERA_DEVICE_API_VERSION_3_0) {
Ruben Brunkb2119af2014-05-09 19:57:56 -0700599 /**
600 * Backwards compatibility mode for old HALs:
601 * - Convert CameraInfo into static CameraMetadata properties.
602 * - Retrieve cached CameraParameters for this camera. If none exist,
603 * attempt to open CameraClient and retrieve the CameraParameters.
604 * - Convert cached CameraParameters into static CameraMetadata
605 * properties.
606 */
607 ALOGI("%s: Switching to HAL1 shim implementation...", __FUNCTION__);
Zhijun He2b59be82013-09-25 10:14:30 -0700608
Eino-Ville Talvalad56db1d2015-12-17 16:50:35 -0800609 ret = generateShimMetadata(cameraId, cameraInfo);
Ruben Brunkb2119af2014-05-09 19:57:56 -0700610 } else {
611 /**
612 * Normal HAL 2.1+ codepath.
613 */
614 struct camera_info info;
Yin-Chia Yehe074a932015-01-30 10:29:02 -0800615 ret = filterGetInfoErrorCode(mModule->getCameraInfo(cameraId, &info));
Eino-Ville Talvalad56db1d2015-12-17 16:50:35 -0800616 if (ret.isOk()) {
617 *cameraInfo = info.static_camera_characteristics;
618 }
Ruben Brunkb2119af2014-05-09 19:57:56 -0700619 }
Zhijun He2b59be82013-09-25 10:14:30 -0700620
621 return ret;
622}
623
Ruben Brunkcc776712015-02-17 20:18:47 -0800624int CameraService::getCallingPid() {
625 return IPCThreadState::self()->getCallingPid();
626}
627
628int CameraService::getCallingUid() {
629 return IPCThreadState::self()->getCallingUid();
630}
631
632String8 CameraService::getFormattedCurrentTime() {
633 time_t now = time(nullptr);
634 char formattedTime[64];
635 strftime(formattedTime, sizeof(formattedTime), "%m-%d %H:%M:%S", localtime(&now));
636 return String8(formattedTime);
637}
638
639int CameraService::getCameraPriorityFromProcState(int procState) {
640 // Find the priority for the camera usage based on the process state. Higher priority clients
641 // win for evictions.
Ruben Brunkbe0b6b42015-05-12 16:10:52 -0700642 if (procState < 0) {
643 ALOGE("%s: Received invalid process state %d from ActivityManagerService!", __FUNCTION__,
644 procState);
645 return -1;
Ruben Brunkcc776712015-02-17 20:18:47 -0800646 }
Eino-Ville Talvala52aad852015-09-03 12:24:24 -0700647 // Treat sleeping TOP processes the same as regular TOP processes, for
648 // access priority. This is important for lock-screen camera launch scenarios
649 if (procState == PROCESS_STATE_TOP_SLEEPING) {
650 procState = PROCESS_STATE_TOP;
651 }
Ruben Brunkbe0b6b42015-05-12 16:10:52 -0700652 return INT_MAX - procState;
Ruben Brunkcc776712015-02-17 20:18:47 -0800653}
654
Eino-Ville Talvalad56db1d2015-12-17 16:50:35 -0800655Status CameraService::getCameraVendorTagDescriptor(
656 /*out*/
657 hardware::camera2::params::VendorTagDescriptor* desc) {
Eino-Ville Talvalaa84bbe62015-09-08 17:59:17 -0700658 ATRACE_CALL();
Ruben Brunkd1176ef2014-02-21 10:51:38 -0800659 if (!mModule) {
660 ALOGE("%s: camera hardware module doesn't exist", __FUNCTION__);
Eino-Ville Talvalad56db1d2015-12-17 16:50:35 -0800661 return STATUS_ERROR(ERROR_DISCONNECTED, "Camera subsystem not available");
Ruben Brunkd1176ef2014-02-21 10:51:38 -0800662 }
663
Eino-Ville Talvalad56db1d2015-12-17 16:50:35 -0800664 *desc = *(VendorTagDescriptor::getGlobalVendorTagDescriptor().get());
665 return Status::ok();
Ruben Brunkd1176ef2014-02-21 10:51:38 -0800666}
667
Igor Murashkin634a5152013-02-20 17:15:11 -0800668int CameraService::getDeviceVersion(int cameraId, int* facing) {
Eino-Ville Talvalaa84bbe62015-09-08 17:59:17 -0700669 ATRACE_CALL();
Igor Murashkin634a5152013-02-20 17:15:11 -0800670 struct camera_info info;
Yin-Chia Yehe074a932015-01-30 10:29:02 -0800671 if (mModule->getCameraInfo(cameraId, &info) != OK) {
Igor Murashkin634a5152013-02-20 17:15:11 -0800672 return -1;
673 }
674
675 int deviceVersion;
Chien-Yu Chen676b21b2015-02-24 10:28:19 -0800676 if (mModule->getModuleApiVersion() >= CAMERA_MODULE_API_VERSION_2_0) {
Igor Murashkin634a5152013-02-20 17:15:11 -0800677 deviceVersion = info.device_version;
678 } else {
679 deviceVersion = CAMERA_DEVICE_API_VERSION_1_0;
680 }
681
682 if (facing) {
683 *facing = info.facing;
684 }
685
686 return deviceVersion;
687}
688
Eino-Ville Talvalad56db1d2015-12-17 16:50:35 -0800689Status CameraService::filterGetInfoErrorCode(status_t err) {
Eino-Ville Talvalaf67e23e2014-07-23 17:17:59 -0700690 switch(err) {
691 case NO_ERROR:
Eino-Ville Talvalad56db1d2015-12-17 16:50:35 -0800692 return Status::ok();
Eino-Ville Talvalaf67e23e2014-07-23 17:17:59 -0700693 case -EINVAL:
Eino-Ville Talvalad56db1d2015-12-17 16:50:35 -0800694 return STATUS_ERROR(ERROR_ILLEGAL_ARGUMENT,
695 "CameraId is not valid for HAL module");
696 case -ENODEV:
697 return STATUS_ERROR(ERROR_DISCONNECTED,
698 "Camera device not available");
Eino-Ville Talvalaf67e23e2014-07-23 17:17:59 -0700699 default:
Eino-Ville Talvalad56db1d2015-12-17 16:50:35 -0800700 return STATUS_ERROR_FMT(ERROR_INVALID_OPERATION,
701 "Camera HAL encountered error %d: %s",
702 err, strerror(-err));
Eino-Ville Talvalaf67e23e2014-07-23 17:17:59 -0700703 }
Igor Murashkinbfc99152013-02-27 12:55:20 -0800704}
705
Ruben Brunkd1176ef2014-02-21 10:51:38 -0800706bool CameraService::setUpVendorTags() {
Eino-Ville Talvalaa84bbe62015-09-08 17:59:17 -0700707 ATRACE_CALL();
Ruben Brunkd1176ef2014-02-21 10:51:38 -0800708 vendor_tag_ops_t vOps = vendor_tag_ops_t();
709
710 // Check if vendor operations have been implemented
Yin-Chia Yehe074a932015-01-30 10:29:02 -0800711 if (!mModule->isVendorTagDefined()) {
Ruben Brunkd1176ef2014-02-21 10:51:38 -0800712 ALOGI("%s: No vendor tags defined for this device.", __FUNCTION__);
713 return false;
714 }
715
Yin-Chia Yehe074a932015-01-30 10:29:02 -0800716 mModule->getVendorTagOps(&vOps);
Ruben Brunkd1176ef2014-02-21 10:51:38 -0800717
718 // Ensure all vendor operations are present
719 if (vOps.get_tag_count == NULL || vOps.get_all_tags == NULL ||
720 vOps.get_section_name == NULL || vOps.get_tag_name == NULL ||
721 vOps.get_tag_type == NULL) {
722 ALOGE("%s: Vendor tag operations not fully defined. Ignoring definitions."
723 , __FUNCTION__);
724 return false;
725 }
726
727 // Read all vendor tag definitions into a descriptor
728 sp<VendorTagDescriptor> desc;
729 status_t res;
730 if ((res = VendorTagDescriptor::createDescriptorFromOps(&vOps, /*out*/desc))
731 != OK) {
732 ALOGE("%s: Could not generate descriptor from vendor tag operations,"
733 "received error %s (%d). Camera clients will not be able to use"
734 "vendor tags", __FUNCTION__, strerror(res), res);
735 return false;
736 }
737
738 // Set the global descriptor to use with camera metadata
739 VendorTagDescriptor::setAsGlobalVendorTagDescriptor(desc);
740 return true;
741}
742
Eino-Ville Talvalad56db1d2015-12-17 16:50:35 -0800743Status CameraService::makeClient(const sp<CameraService>& cameraService,
744 const sp<IInterface>& cameraCb, const String16& packageName, int cameraId,
Ruben Brunkcc776712015-02-17 20:18:47 -0800745 int facing, int clientPid, uid_t clientUid, int servicePid, bool legacyMode,
746 int halVersion, int deviceVersion, apiLevel effectiveApiLevel,
747 /*out*/sp<BasicClient>* client) {
748
Ruben Brunkcc776712015-02-17 20:18:47 -0800749 if (halVersion < 0 || halVersion == deviceVersion) {
750 // Default path: HAL version is unspecified by caller, create CameraClient
751 // based on device version reported by the HAL.
752 switch(deviceVersion) {
753 case CAMERA_DEVICE_API_VERSION_1_0:
754 if (effectiveApiLevel == API_1) { // Camera1 API route
755 sp<ICameraClient> tmp = static_cast<ICameraClient*>(cameraCb.get());
Eino-Ville Talvalad56db1d2015-12-17 16:50:35 -0800756 *client = new CameraClient(cameraService, tmp, packageName, cameraId, facing,
Ruben Brunkcc776712015-02-17 20:18:47 -0800757 clientPid, clientUid, getpid(), legacyMode);
758 } else { // Camera2 API route
759 ALOGW("Camera using old HAL version: %d", deviceVersion);
Eino-Ville Talvalad56db1d2015-12-17 16:50:35 -0800760 return STATUS_ERROR_FMT(ERROR_DEPRECATED_HAL,
761 "Camera device \"%d\" HAL version %d does not support camera2 API",
762 cameraId, deviceVersion);
Ruben Brunkcc776712015-02-17 20:18:47 -0800763 }
764 break;
Ruben Brunkcc776712015-02-17 20:18:47 -0800765 case CAMERA_DEVICE_API_VERSION_3_0:
766 case CAMERA_DEVICE_API_VERSION_3_1:
767 case CAMERA_DEVICE_API_VERSION_3_2:
768 case CAMERA_DEVICE_API_VERSION_3_3:
769 if (effectiveApiLevel == API_1) { // Camera1 API route
770 sp<ICameraClient> tmp = static_cast<ICameraClient*>(cameraCb.get());
Eino-Ville Talvalad56db1d2015-12-17 16:50:35 -0800771 *client = new Camera2Client(cameraService, tmp, packageName, cameraId, facing,
Ruben Brunkcc776712015-02-17 20:18:47 -0800772 clientPid, clientUid, servicePid, legacyMode);
773 } else { // Camera2 API route
Eino-Ville Talvalad56db1d2015-12-17 16:50:35 -0800774 sp<hardware::camera2::ICameraDeviceCallbacks> tmp =
775 static_cast<hardware::camera2::ICameraDeviceCallbacks*>(cameraCb.get());
776 *client = new CameraDeviceClient(cameraService, tmp, packageName, cameraId,
Ruben Brunkcc776712015-02-17 20:18:47 -0800777 facing, clientPid, clientUid, servicePid);
778 }
779 break;
780 default:
781 // Should not be reachable
782 ALOGE("Unknown camera device HAL version: %d", deviceVersion);
Eino-Ville Talvalad56db1d2015-12-17 16:50:35 -0800783 return STATUS_ERROR_FMT(ERROR_INVALID_OPERATION,
784 "Camera device \"%d\" has unknown HAL version %d",
785 cameraId, deviceVersion);
Ruben Brunkcc776712015-02-17 20:18:47 -0800786 }
787 } else {
788 // A particular HAL version is requested by caller. Create CameraClient
789 // based on the requested HAL version.
790 if (deviceVersion > CAMERA_DEVICE_API_VERSION_1_0 &&
791 halVersion == CAMERA_DEVICE_API_VERSION_1_0) {
792 // Only support higher HAL version device opened as HAL1.0 device.
793 sp<ICameraClient> tmp = static_cast<ICameraClient*>(cameraCb.get());
Eino-Ville Talvalad56db1d2015-12-17 16:50:35 -0800794 *client = new CameraClient(cameraService, tmp, packageName, cameraId, facing,
Ruben Brunkcc776712015-02-17 20:18:47 -0800795 clientPid, clientUid, servicePid, legacyMode);
796 } else {
797 // Other combinations (e.g. HAL3.x open as HAL2.x) are not supported yet.
798 ALOGE("Invalid camera HAL version %x: HAL %x device can only be"
799 " opened as HAL %x device", halVersion, deviceVersion,
800 CAMERA_DEVICE_API_VERSION_1_0);
Eino-Ville Talvalad56db1d2015-12-17 16:50:35 -0800801 return STATUS_ERROR_FMT(ERROR_ILLEGAL_ARGUMENT,
802 "Camera device \"%d\" (HAL version %d) cannot be opened as HAL version %d",
803 cameraId, deviceVersion, halVersion);
Ruben Brunkcc776712015-02-17 20:18:47 -0800804 }
805 }
Eino-Ville Talvalad56db1d2015-12-17 16:50:35 -0800806 return Status::ok();
Ruben Brunkcc776712015-02-17 20:18:47 -0800807}
808
Ruben Brunk6267b532015-04-30 17:44:07 -0700809String8 CameraService::toString(std::set<userid_t> intSet) {
810 String8 s("");
811 bool first = true;
812 for (userid_t i : intSet) {
813 if (first) {
814 s.appendFormat("%d", i);
815 first = false;
816 } else {
817 s.appendFormat(", %d", i);
818 }
819 }
820 return s;
821}
822
Eino-Ville Talvalad56db1d2015-12-17 16:50:35 -0800823Status CameraService::initializeShimMetadata(int cameraId) {
Ruben Brunkcc776712015-02-17 20:18:47 -0800824 int uid = getCallingUid();
Ruben Brunkb2119af2014-05-09 19:57:56 -0700825
Chien-Yu Chen98a668f2015-12-18 14:10:33 -0800826 String16 internalPackageName("cameraserver");
Ruben Brunkcc776712015-02-17 20:18:47 -0800827 String8 id = String8::format("%d", cameraId);
Eino-Ville Talvalad56db1d2015-12-17 16:50:35 -0800828 Status ret = Status::ok();
Ruben Brunkcc776712015-02-17 20:18:47 -0800829 sp<Client> tmp = nullptr;
Eino-Ville Talvalad56db1d2015-12-17 16:50:35 -0800830 if (!(ret = connectHelper<ICameraClient,Client>(
831 sp<ICameraClient>{nullptr}, id, static_cast<int>(CAMERA_HAL_API_VERSION_UNSPECIFIED),
832 internalPackageName, uid, USE_CALLING_PID,
833 API_1, /*legacyMode*/ false, /*shimUpdateOnly*/ true,
834 /*out*/ tmp)
835 ).isOk()) {
836 ALOGE("%s: Error initializing shim metadata: %s", __FUNCTION__, ret.toString8().string());
Ruben Brunkb2119af2014-05-09 19:57:56 -0700837 }
Eino-Ville Talvalad56db1d2015-12-17 16:50:35 -0800838 return ret;
Ruben Brunkb2119af2014-05-09 19:57:56 -0700839}
840
Eino-Ville Talvalad56db1d2015-12-17 16:50:35 -0800841Status CameraService::getLegacyParametersLazy(int cameraId,
Igor Murashkin65d14b92014-06-17 12:03:20 -0700842 /*out*/
843 CameraParameters* parameters) {
844
845 ALOGV("%s: for cameraId: %d", __FUNCTION__, cameraId);
846
Eino-Ville Talvalad56db1d2015-12-17 16:50:35 -0800847 Status ret = Status::ok();
Igor Murashkin65d14b92014-06-17 12:03:20 -0700848
849 if (parameters == NULL) {
850 ALOGE("%s: parameters must not be null", __FUNCTION__);
Eino-Ville Talvalad56db1d2015-12-17 16:50:35 -0800851 return STATUS_ERROR(ERROR_ILLEGAL_ARGUMENT, "Parameters must not be null");
Igor Murashkin65d14b92014-06-17 12:03:20 -0700852 }
853
Ruben Brunkcc776712015-02-17 20:18:47 -0800854 String8 id = String8::format("%d", cameraId);
855
856 // Check if we already have parameters
857 {
858 // Scope for service lock
Igor Murashkin65d14b92014-06-17 12:03:20 -0700859 Mutex::Autolock lock(mServiceLock);
Ruben Brunkcc776712015-02-17 20:18:47 -0800860 auto cameraState = getCameraState(id);
861 if (cameraState == nullptr) {
862 ALOGE("%s: Invalid camera ID: %s", __FUNCTION__, id.string());
Eino-Ville Talvalad56db1d2015-12-17 16:50:35 -0800863 return STATUS_ERROR_FMT(ERROR_ILLEGAL_ARGUMENT,
864 "Invalid camera ID: %s", id.string());
Ruben Brunkcc776712015-02-17 20:18:47 -0800865 }
866 CameraParameters p = cameraState->getShimParams();
867 if (!p.isEmpty()) {
868 *parameters = p;
Eino-Ville Talvalad56db1d2015-12-17 16:50:35 -0800869 return ret;
Igor Murashkin65d14b92014-06-17 12:03:20 -0700870 }
871 }
872
Ruben Brunkcc776712015-02-17 20:18:47 -0800873 int64_t token = IPCThreadState::self()->clearCallingIdentity();
874 ret = initializeShimMetadata(cameraId);
875 IPCThreadState::self()->restoreCallingIdentity(token);
Eino-Ville Talvalad56db1d2015-12-17 16:50:35 -0800876 if (!ret.isOk()) {
Ruben Brunkcc776712015-02-17 20:18:47 -0800877 // Error already logged by callee
878 return ret;
879 }
880
881 // Check for parameters again
882 {
883 // Scope for service lock
884 Mutex::Autolock lock(mServiceLock);
885 auto cameraState = getCameraState(id);
886 if (cameraState == nullptr) {
887 ALOGE("%s: Invalid camera ID: %s", __FUNCTION__, id.string());
Eino-Ville Talvalad56db1d2015-12-17 16:50:35 -0800888 return STATUS_ERROR_FMT(ERROR_ILLEGAL_ARGUMENT,
889 "Invalid camera ID: %s", id.string());
Igor Murashkin65d14b92014-06-17 12:03:20 -0700890 }
Ruben Brunkcc776712015-02-17 20:18:47 -0800891 CameraParameters p = cameraState->getShimParams();
892 if (!p.isEmpty()) {
893 *parameters = p;
Eino-Ville Talvalad56db1d2015-12-17 16:50:35 -0800894 return ret;
Igor Murashkin65d14b92014-06-17 12:03:20 -0700895 }
896 }
897
Ruben Brunkcc776712015-02-17 20:18:47 -0800898 ALOGE("%s: Parameters were not initialized, or were empty. Device may not be present.",
899 __FUNCTION__);
Eino-Ville Talvalad56db1d2015-12-17 16:50:35 -0800900 return STATUS_ERROR(ERROR_INVALID_OPERATION, "Unable to initialize legacy parameters");
Igor Murashkin65d14b92014-06-17 12:03:20 -0700901}
902
Chien-Yu Chen98a668f2015-12-18 14:10:33 -0800903// Can camera service trust the caller based on the calling UID?
904static bool isTrustedCallingUid(uid_t uid) {
905 switch (uid) {
906 case AID_MEDIA: // mediaserver
907 case AID_CAMERASERVER: // cameraserver
908 return true;
909 default:
910 return false;
911 }
912}
913
Eino-Ville Talvalad56db1d2015-12-17 16:50:35 -0800914Status CameraService::validateConnectLocked(const String8& cameraId,
915 const String8& clientName8, /*inout*/int& clientUid, /*inout*/int& clientPid) const {
Tyler Luu5861a9a2011-10-06 00:00:03 -0500916
Christopher Wileyce761d12016-02-16 10:15:00 -0800917#if !defined(__BRILLO__)
Eino-Ville Talvala04926862016-03-02 15:42:53 -0800918 Status allowed = validateClientPermissionsLocked(cameraId, clientName8, clientUid, clientPid);
919 if (!allowed.isOk()) {
Christopher Wileyce761d12016-02-16 10:15:00 -0800920 return allowed;
921 }
922#endif // defined(__BRILLO__)
923
Eino-Ville Talvala04926862016-03-02 15:42:53 -0800924 int callingPid = getCallingPid();
925
Iliyan Malchev8951a972011-04-14 16:55:59 -0700926 if (!mModule) {
Ruben Brunkcc776712015-02-17 20:18:47 -0800927 ALOGE("CameraService::connect X (PID %d) rejected (camera HAL module not loaded)",
928 callingPid);
Eino-Ville Talvala04926862016-03-02 15:42:53 -0800929 return STATUS_ERROR_FMT(ERROR_DISCONNECTED,
930 "No camera HAL module available to open camera device \"%s\"", cameraId.string());
Iliyan Malchev8951a972011-04-14 16:55:59 -0700931 }
932
Ruben Brunkcc776712015-02-17 20:18:47 -0800933 if (getCameraState(cameraId) == nullptr) {
934 ALOGE("CameraService::connect X (PID %d) rejected (invalid camera ID %s)", callingPid,
935 cameraId.string());
Eino-Ville Talvala04926862016-03-02 15:42:53 -0800936 return STATUS_ERROR_FMT(ERROR_DISCONNECTED,
937 "No camera device with ID \"%s\" available", cameraId.string());
Mathias Agopian65ab4712010-07-14 17:59:35 -0700938 }
939
Eino-Ville Talvala04926862016-03-02 15:42:53 -0800940 status_t err = checkIfDeviceIsUsable(cameraId);
941 if (err != NO_ERROR) {
942 switch(err) {
943 case -ENODEV:
944 case -EBUSY:
945 return STATUS_ERROR_FMT(ERROR_DISCONNECTED,
946 "No camera device with ID \"%s\" currently available", cameraId.string());
947 default:
948 return STATUS_ERROR_FMT(ERROR_INVALID_OPERATION,
949 "Unknown error connecting to ID \"%s\"", cameraId.string());
950 }
951 }
952 return Status::ok();
Christopher Wiley0039bcf2016-02-05 10:29:50 -0800953}
954
Eino-Ville Talvala04926862016-03-02 15:42:53 -0800955Status CameraService::validateClientPermissionsLocked(const String8& cameraId,
956 const String8& clientName8, int& clientUid, int& clientPid) const {
Christopher Wiley0039bcf2016-02-05 10:29:50 -0800957 int callingPid = getCallingPid();
Chien-Yu Chen98a668f2015-12-18 14:10:33 -0800958 int callingUid = getCallingUid();
Mathias Agopian65ab4712010-07-14 17:59:35 -0700959
Chien-Yu Chen98a668f2015-12-18 14:10:33 -0800960 // Check if we can trust clientUid
Mathias Agopian65ab4712010-07-14 17:59:35 -0700961 if (clientUid == USE_CALLING_UID) {
Chien-Yu Chen98a668f2015-12-18 14:10:33 -0800962 clientUid = callingUid;
963 } else if (!isTrustedCallingUid(callingUid)) {
964 ALOGE("CameraService::connect X (calling PID %d, calling UID %d) rejected "
965 "(don't trust clientUid %d)", callingPid, callingUid, clientUid);
Eino-Ville Talvalad56db1d2015-12-17 16:50:35 -0800966 return STATUS_ERROR_FMT(ERROR_PERMISSION_DENIED,
967 "Untrusted caller (calling PID %d, UID %d) trying to "
968 "forward camera access to camera %s for client %s (PID %d, UID %d)",
969 callingPid, callingUid, cameraId.string(),
970 clientName8.string(), clientUid, clientPid);
Mathias Agopian65ab4712010-07-14 17:59:35 -0700971 }
972
Chien-Yu Chen98a668f2015-12-18 14:10:33 -0800973 // Check if we can trust clientPid
974 if (clientPid == USE_CALLING_PID) {
975 clientPid = callingPid;
976 } else if (!isTrustedCallingUid(callingUid)) {
977 ALOGE("CameraService::connect X (calling PID %d, calling UID %d) rejected "
978 "(don't trust clientPid %d)", callingPid, callingUid, clientPid);
Eino-Ville Talvalad56db1d2015-12-17 16:50:35 -0800979 return STATUS_ERROR_FMT(ERROR_PERMISSION_DENIED,
980 "Untrusted caller (calling PID %d, UID %d) trying to "
981 "forward camera access to camera %s for client %s (PID %d, UID %d)",
982 callingPid, callingUid, cameraId.string(),
983 clientName8.string(), clientUid, clientPid);
Chien-Yu Chen98a668f2015-12-18 14:10:33 -0800984 }
985
986 // If it's not calling from cameraserver, check the permission.
987 if (callingPid != getpid() &&
988 !checkPermission(String16("android.permission.CAMERA"), clientPid, clientUid)) {
989 ALOGE("Permission Denial: can't use the camera pid=%d, uid=%d", clientPid, clientUid);
Eino-Ville Talvalad56db1d2015-12-17 16:50:35 -0800990 return STATUS_ERROR_FMT(ERROR_PERMISSION_DENIED,
991 "Caller \"%s\" (PID %d, UID %d) cannot open camera \"%s\" without camera permission",
992 clientName8.string(), clientUid, clientPid, cameraId.string());
Chien-Yu Chen98a668f2015-12-18 14:10:33 -0800993 }
994
Ruben Brunk6267b532015-04-30 17:44:07 -0700995 userid_t clientUserId = multiuser_get_user_id(clientUid);
Wu-cheng Lia3355432011-05-20 14:54:25 +0800996
Ruben Brunka8ca9152015-04-07 14:23:40 -0700997 // Only allow clients who are being used by the current foreground device user, unless calling
998 // from our own process.
Ruben Brunk6267b532015-04-30 17:44:07 -0700999 if (callingPid != getpid() && (mAllowedUsers.find(clientUserId) == mAllowedUsers.end())) {
1000 ALOGE("CameraService::connect X (PID %d) rejected (cannot connect from "
1001 "device user %d, currently allowed device users: %s)", callingPid, clientUserId,
1002 toString(mAllowedUsers).string());
Eino-Ville Talvalad56db1d2015-12-17 16:50:35 -08001003 return STATUS_ERROR_FMT(ERROR_PERMISSION_DENIED,
1004 "Callers from device user %d are not currently allowed to connect to camera \"%s\"",
1005 clientUserId, cameraId.string());
Ruben Brunk36597b22015-03-20 22:15:57 -07001006 }
1007
Eino-Ville Talvalad56db1d2015-12-17 16:50:35 -08001008 return Status::ok();
Ruben Brunkcc776712015-02-17 20:18:47 -08001009}
1010
1011status_t CameraService::checkIfDeviceIsUsable(const String8& cameraId) const {
1012 auto cameraState = getCameraState(cameraId);
1013 int callingPid = getCallingPid();
1014 if (cameraState == nullptr) {
1015 ALOGE("CameraService::connect X (PID %d) rejected (invalid camera ID %s)", callingPid,
1016 cameraId.string());
1017 return -ENODEV;
1018 }
1019
Eino-Ville Talvalad56db1d2015-12-17 16:50:35 -08001020 int32_t currentStatus = cameraState->getStatus();
Igor Murashkincba2c162013-03-20 15:56:31 -07001021 if (currentStatus == ICameraServiceListener::STATUS_NOT_PRESENT) {
Ruben Brunkcc776712015-02-17 20:18:47 -08001022 ALOGE("CameraService::connect X (PID %d) rejected (camera %s is not connected)",
1023 callingPid, cameraId.string());
Ruben Brunk0f61d8f2013-08-08 13:07:18 -07001024 return -ENODEV;
Igor Murashkincba2c162013-03-20 15:56:31 -07001025 } else if (currentStatus == ICameraServiceListener::STATUS_ENUMERATING) {
Ruben Brunkcc776712015-02-17 20:18:47 -08001026 ALOGE("CameraService::connect X (PID %d) rejected, (camera %s is initializing)",
1027 callingPid, cameraId.string());
Ruben Brunk0f61d8f2013-08-08 13:07:18 -07001028 return -EBUSY;
Igor Murashkincba2c162013-03-20 15:56:31 -07001029 }
Igor Murashkincba2c162013-03-20 15:56:31 -07001030
Ruben Brunkcc776712015-02-17 20:18:47 -08001031 return NO_ERROR;
Igor Murashkine6800ce2013-03-04 17:25:57 -08001032}
1033
Ruben Brunkcc776712015-02-17 20:18:47 -08001034void CameraService::finishConnectLocked(const sp<BasicClient>& client,
1035 const CameraService::DescriptorPtr& desc) {
Igor Murashkine6800ce2013-03-04 17:25:57 -08001036
Ruben Brunkcc776712015-02-17 20:18:47 -08001037 // Make a descriptor for the incoming client
1038 auto clientDescriptor = CameraService::CameraClientManager::makeClientDescriptor(client, desc);
1039 auto evicted = mActiveClientManager.addAndEvict(clientDescriptor);
1040
1041 logConnected(desc->getKey(), static_cast<int>(desc->getOwnerId()),
1042 String8(client->getPackageName()));
1043
1044 if (evicted.size() > 0) {
1045 // This should never happen - clients should already have been removed in disconnect
1046 for (auto& i : evicted) {
1047 ALOGE("%s: Invalid state: Client for camera %s was not removed in disconnect",
1048 __FUNCTION__, i->getKey().string());
1049 }
1050
1051 LOG_ALWAYS_FATAL("%s: Invalid state for CameraService, clients not evicted properly",
1052 __FUNCTION__);
1053 }
Eino-Ville Talvala24901c82015-09-04 14:15:58 -07001054
1055 // And register a death notification for the client callback. Do
1056 // this last to avoid Binder policy where a nested Binder
1057 // transaction might be pre-empted to service the client death
1058 // notification if the client process dies before linkToDeath is
1059 // invoked.
1060 sp<IBinder> remoteCallback = client->getRemote();
1061 if (remoteCallback != nullptr) {
1062 remoteCallback->linkToDeath(this);
1063 }
Ruben Brunkcc776712015-02-17 20:18:47 -08001064}
1065
1066status_t CameraService::handleEvictionsLocked(const String8& cameraId, int clientPid,
1067 apiLevel effectiveApiLevel, const sp<IBinder>& remoteCallback, const String8& packageName,
1068 /*out*/
1069 sp<BasicClient>* client,
1070 std::shared_ptr<resource_policy::ClientDescriptor<String8, sp<BasicClient>>>* partial) {
Eino-Ville Talvalaa84bbe62015-09-08 17:59:17 -07001071 ATRACE_CALL();
Ruben Brunkcc776712015-02-17 20:18:47 -08001072 status_t ret = NO_ERROR;
Ruben Brunk4f9576b2015-04-10 17:26:56 -07001073 std::vector<DescriptorPtr> evictedClients;
Ruben Brunkcc776712015-02-17 20:18:47 -08001074 DescriptorPtr clientDescriptor;
1075 {
1076 if (effectiveApiLevel == API_1) {
1077 // If we are using API1, any existing client for this camera ID with the same remote
1078 // should be returned rather than evicted to allow MediaRecorder to work properly.
1079
1080 auto current = mActiveClientManager.get(cameraId);
1081 if (current != nullptr) {
1082 auto clientSp = current->getValue();
1083 if (clientSp.get() != nullptr) { // should never be needed
Ruben Brunk0bbf8b22015-04-30 14:35:42 -07001084 if (!clientSp->canCastToApiClient(effectiveApiLevel)) {
1085 ALOGW("CameraService connect called from same client, but with a different"
1086 " API level, evicting prior client...");
1087 } else if (clientSp->getRemote() == remoteCallback) {
Ruben Brunkcc776712015-02-17 20:18:47 -08001088 ALOGI("CameraService::connect X (PID %d) (second call from same"
Ruben Brunk0bbf8b22015-04-30 14:35:42 -07001089 " app binder, returning the same client)", clientPid);
Ruben Brunkcc776712015-02-17 20:18:47 -08001090 *client = clientSp;
1091 return NO_ERROR;
1092 }
1093 }
Wu-cheng Li2fd24402012-02-23 19:01:00 -08001094 }
Wu-cheng Li2fd24402012-02-23 19:01:00 -08001095 }
Wu-cheng Li08ad5ef2012-04-19 12:35:00 +08001096
Ruben Brunkcc776712015-02-17 20:18:47 -08001097 // Get current active client PIDs
1098 std::vector<int> ownerPids(mActiveClientManager.getAllOwners());
1099 ownerPids.push_back(clientPid);
Igor Murashkine6800ce2013-03-04 17:25:57 -08001100
Chih-Hung Hsieh54b42462015-03-19 12:04:54 -07001101 // Use the value +PROCESS_STATE_NONEXISTENT, to avoid taking
1102 // address of PROCESS_STATE_NONEXISTENT as a reference argument
1103 // for the vector constructor. PROCESS_STATE_NONEXISTENT does
1104 // not have an out-of-class definition.
1105 std::vector<int> priorities(ownerPids.size(), +PROCESS_STATE_NONEXISTENT);
Igor Murashkine6800ce2013-03-04 17:25:57 -08001106
Ruben Brunkcc776712015-02-17 20:18:47 -08001107 // Get priorites of all active PIDs
1108 ProcessInfoService::getProcessStatesFromPids(ownerPids.size(), &ownerPids[0],
1109 /*out*/&priorities[0]);
Ruben Brunkb2119af2014-05-09 19:57:56 -07001110
Ruben Brunkcc776712015-02-17 20:18:47 -08001111 // Update all active clients' priorities
1112 std::map<int,int> pidToPriorityMap;
1113 for (size_t i = 0; i < ownerPids.size() - 1; i++) {
1114 pidToPriorityMap.emplace(ownerPids[i], getCameraPriorityFromProcState(priorities[i]));
1115 }
1116 mActiveClientManager.updatePriorities(pidToPriorityMap);
Chien-Yu Chen3068d732015-02-09 13:29:57 -08001117
Ruben Brunkcc776712015-02-17 20:18:47 -08001118 // Get state for the given cameraId
1119 auto state = getCameraState(cameraId);
1120 if (state == nullptr) {
1121 ALOGE("CameraService::connect X (PID %d) rejected (no camera device with ID %s)",
1122 clientPid, cameraId.string());
Eino-Ville Talvalad56db1d2015-12-17 16:50:35 -08001123 // Should never get here because validateConnectLocked should have errored out
Zhijun Heb10cdad2014-06-16 16:38:35 -07001124 return BAD_VALUE;
Zhijun Heb10cdad2014-06-16 16:38:35 -07001125 }
Ruben Brunkcc776712015-02-17 20:18:47 -08001126
1127 // Make descriptor for incoming client
1128 clientDescriptor = CameraClientManager::makeClientDescriptor(cameraId,
1129 sp<BasicClient>{nullptr}, static_cast<int32_t>(state->getCost()),
1130 state->getConflicting(),
1131 getCameraPriorityFromProcState(priorities[priorities.size() - 1]), clientPid);
1132
1133 // Find clients that would be evicted
1134 auto evicted = mActiveClientManager.wouldEvict(clientDescriptor);
1135
1136 // If the incoming client was 'evicted,' higher priority clients have the camera in the
1137 // background, so we cannot do evictions
1138 if (std::find(evicted.begin(), evicted.end(), clientDescriptor) != evicted.end()) {
1139 ALOGE("CameraService::connect X (PID %d) rejected (existing client(s) with higher"
1140 " priority).", clientPid);
1141
1142 sp<BasicClient> clientSp = clientDescriptor->getValue();
1143 String8 curTime = getFormattedCurrentTime();
1144 auto incompatibleClients =
1145 mActiveClientManager.getIncompatibleClients(clientDescriptor);
1146
1147 String8 msg = String8::format("%s : DENIED connect device %s client for package %s "
Ruben Brunka8ca9152015-04-07 14:23:40 -07001148 "(PID %d, priority %d) due to eviction policy", curTime.string(),
Ruben Brunkcc776712015-02-17 20:18:47 -08001149 cameraId.string(), packageName.string(), clientPid,
1150 getCameraPriorityFromProcState(priorities[priorities.size() - 1]));
1151
1152 for (auto& i : incompatibleClients) {
1153 msg.appendFormat("\n - Blocked by existing device %s client for package %s"
1154 "(PID %" PRId32 ", priority %" PRId32 ")", i->getKey().string(),
1155 String8{i->getValue()->getPackageName()}.string(), i->getOwnerId(),
1156 i->getPriority());
Eino-Ville Talvala022f0cb2015-05-19 16:31:16 -07001157 ALOGE(" Conflicts with: Device %s, client package %s (PID %"
1158 PRId32 ", priority %" PRId32 ")", i->getKey().string(),
1159 String8{i->getValue()->getPackageName()}.string(), i->getOwnerId(),
1160 i->getPriority());
Ruben Brunkcc776712015-02-17 20:18:47 -08001161 }
1162
1163 // Log the client's attempt
Ruben Brunka8ca9152015-04-07 14:23:40 -07001164 Mutex::Autolock l(mLogLock);
Ruben Brunkcc776712015-02-17 20:18:47 -08001165 mEventLog.add(msg);
1166
1167 return -EBUSY;
1168 }
1169
1170 for (auto& i : evicted) {
1171 sp<BasicClient> clientSp = i->getValue();
1172 if (clientSp.get() == nullptr) {
1173 ALOGE("%s: Invalid state: Null client in active client list.", __FUNCTION__);
1174
1175 // TODO: Remove this
1176 LOG_ALWAYS_FATAL("%s: Invalid state for CameraService, null client in active list",
1177 __FUNCTION__);
1178 mActiveClientManager.remove(i);
1179 continue;
1180 }
1181
1182 ALOGE("CameraService::connect evicting conflicting client for camera ID %s",
1183 i->getKey().string());
Ruben Brunk4f9576b2015-04-10 17:26:56 -07001184 evictedClients.push_back(i);
Ruben Brunkcc776712015-02-17 20:18:47 -08001185
Ruben Brunkcc776712015-02-17 20:18:47 -08001186 // Log the clients evicted
Ruben Brunka8ca9152015-04-07 14:23:40 -07001187 logEvent(String8::format("EVICT device %s client held by package %s (PID"
1188 " %" PRId32 ", priority %" PRId32 ")\n - Evicted by device %s client for"
1189 " package %s (PID %d, priority %" PRId32 ")",
Ruben Brunkcc776712015-02-17 20:18:47 -08001190 i->getKey().string(), String8{clientSp->getPackageName()}.string(),
1191 i->getOwnerId(), i->getPriority(), cameraId.string(),
1192 packageName.string(), clientPid,
1193 getCameraPriorityFromProcState(priorities[priorities.size() - 1])));
1194
1195 // Notify the client of disconnection
Eino-Ville Talvalad56db1d2015-12-17 16:50:35 -08001196 clientSp->notifyError(hardware::camera2::ICameraDeviceCallbacks::ERROR_CAMERA_DISCONNECTED,
Ruben Brunkcc776712015-02-17 20:18:47 -08001197 CaptureResultExtras());
Zhijun Heb10cdad2014-06-16 16:38:35 -07001198 }
Ruben Brunkb2119af2014-05-09 19:57:56 -07001199 }
1200
Ruben Brunkcc776712015-02-17 20:18:47 -08001201 // Do not hold mServiceLock while disconnecting clients, but retain the condition blocking
1202 // other clients from connecting in mServiceLockWrapper if held
1203 mServiceLock.unlock();
1204
1205 // Clear caller identity temporarily so client disconnect PID checks work correctly
1206 int64_t token = IPCThreadState::self()->clearCallingIdentity();
1207
1208 // Destroy evicted clients
1209 for (auto& i : evictedClients) {
1210 // Disconnect is blocking, and should only have returned when HAL has cleaned up
Ruben Brunk4f9576b2015-04-10 17:26:56 -07001211 i->getValue()->disconnect(); // Clients will remove themselves from the active client list
Ruben Brunkcc776712015-02-17 20:18:47 -08001212 }
Ruben Brunkcc776712015-02-17 20:18:47 -08001213
1214 IPCThreadState::self()->restoreCallingIdentity(token);
1215
Ruben Brunk4f9576b2015-04-10 17:26:56 -07001216 for (const auto& i : evictedClients) {
1217 ALOGV("%s: Waiting for disconnect to complete for client for device %s (PID %" PRId32 ")",
1218 __FUNCTION__, i->getKey().string(), i->getOwnerId());
1219 ret = mActiveClientManager.waitUntilRemoved(i, DEFAULT_DISCONNECT_TIMEOUT_NS);
1220 if (ret == TIMED_OUT) {
1221 ALOGE("%s: Timed out waiting for client for device %s to disconnect, "
1222 "current clients:\n%s", __FUNCTION__, i->getKey().string(),
1223 mActiveClientManager.toString().string());
1224 return -EBUSY;
1225 }
1226 if (ret != NO_ERROR) {
1227 ALOGE("%s: Received error waiting for client for device %s to disconnect: %s (%d), "
1228 "current clients:\n%s", __FUNCTION__, i->getKey().string(), strerror(-ret),
1229 ret, mActiveClientManager.toString().string());
1230 return ret;
1231 }
1232 }
1233
1234 evictedClients.clear();
1235
Ruben Brunkcc776712015-02-17 20:18:47 -08001236 // Once clients have been disconnected, relock
1237 mServiceLock.lock();
1238
1239 // Check again if the device was unplugged or something while we weren't holding mServiceLock
1240 if ((ret = checkIfDeviceIsUsable(cameraId)) != NO_ERROR) {
1241 return ret;
Ruben Brunkb2119af2014-05-09 19:57:56 -07001242 }
1243
Ruben Brunkcc776712015-02-17 20:18:47 -08001244 *partial = clientDescriptor;
1245 return NO_ERROR;
Ruben Brunkb2119af2014-05-09 19:57:56 -07001246}
1247
Eino-Ville Talvalad56db1d2015-12-17 16:50:35 -08001248Status CameraService::connect(
Igor Murashkine6800ce2013-03-04 17:25:57 -08001249 const sp<ICameraClient>& cameraClient,
1250 int cameraId,
Svetoslav Ganov280405a2015-05-12 02:19:27 +00001251 const String16& clientPackageName,
Ruben Brunk0f61d8f2013-08-08 13:07:18 -07001252 int clientUid,
Chien-Yu Chen98a668f2015-12-18 14:10:33 -08001253 int clientPid,
Ruben Brunk0f61d8f2013-08-08 13:07:18 -07001254 /*out*/
Eino-Ville Talvalad56db1d2015-12-17 16:50:35 -08001255 sp<ICamera>* device) {
Igor Murashkine6800ce2013-03-04 17:25:57 -08001256
Eino-Ville Talvalaa84bbe62015-09-08 17:59:17 -07001257 ATRACE_CALL();
Eino-Ville Talvalad56db1d2015-12-17 16:50:35 -08001258 Status ret = Status::ok();
Ruben Brunkcc776712015-02-17 20:18:47 -08001259 String8 id = String8::format("%d", cameraId);
1260 sp<Client> client = nullptr;
Eino-Ville Talvalad56db1d2015-12-17 16:50:35 -08001261 ret = connectHelper<ICameraClient,Client>(cameraClient, id,
1262 CAMERA_HAL_API_VERSION_UNSPECIFIED, clientPackageName, clientUid, clientPid, API_1,
1263 /*legacyMode*/ false, /*shimUpdateOnly*/ false,
1264 /*out*/client);
Igor Murashkine6800ce2013-03-04 17:25:57 -08001265
Eino-Ville Talvalad56db1d2015-12-17 16:50:35 -08001266 if(!ret.isOk()) {
Svetoslav Ganov280405a2015-05-12 02:19:27 +00001267 logRejected(id, getCallingPid(), String8(clientPackageName),
Eino-Ville Talvalad56db1d2015-12-17 16:50:35 -08001268 ret.toString8());
Ruben Brunkcc776712015-02-17 20:18:47 -08001269 return ret;
Mathias Agopian65ab4712010-07-14 17:59:35 -07001270 }
1271
Eino-Ville Talvalad56db1d2015-12-17 16:50:35 -08001272 *device = client;
1273 return ret;
Mathias Agopian65ab4712010-07-14 17:59:35 -07001274}
1275
Eino-Ville Talvalad56db1d2015-12-17 16:50:35 -08001276Status CameraService::connectLegacy(
Zhijun Heb10cdad2014-06-16 16:38:35 -07001277 const sp<ICameraClient>& cameraClient,
1278 int cameraId, int halVersion,
Svetoslav Ganov280405a2015-05-12 02:19:27 +00001279 const String16& clientPackageName,
Zhijun Heb10cdad2014-06-16 16:38:35 -07001280 int clientUid,
1281 /*out*/
Eino-Ville Talvalad56db1d2015-12-17 16:50:35 -08001282 sp<ICamera>* device) {
Zhijun Heb10cdad2014-06-16 16:38:35 -07001283
Eino-Ville Talvalaa84bbe62015-09-08 17:59:17 -07001284 ATRACE_CALL();
Ruben Brunka8ca9152015-04-07 14:23:40 -07001285 String8 id = String8::format("%d", cameraId);
Chien-Yu Chen676b21b2015-02-24 10:28:19 -08001286 int apiVersion = mModule->getModuleApiVersion();
Igor Murashkin3d07d1a2014-06-20 11:27:03 -07001287 if (halVersion != CAMERA_HAL_API_VERSION_UNSPECIFIED &&
Yin-Chia Yehe074a932015-01-30 10:29:02 -08001288 apiVersion < CAMERA_MODULE_API_VERSION_2_3) {
Igor Murashkin3d07d1a2014-06-20 11:27:03 -07001289 /*
1290 * Either the HAL version is unspecified in which case this just creates
1291 * a camera client selected by the latest device version, or
1292 * it's a particular version in which case the HAL must supported
1293 * the open_legacy call
1294 */
Eino-Ville Talvalad56db1d2015-12-17 16:50:35 -08001295 String8 msg = String8::format("Camera HAL module version %x too old for connectLegacy!",
1296 apiVersion);
1297 ALOGE("%s: %s",
1298 __FUNCTION__, msg.string());
Svetoslav Ganov280405a2015-05-12 02:19:27 +00001299 logRejected(id, getCallingPid(), String8(clientPackageName),
Eino-Ville Talvalad56db1d2015-12-17 16:50:35 -08001300 msg);
1301 return STATUS_ERROR(ERROR_ILLEGAL_ARGUMENT, msg.string());
Zhijun Heb10cdad2014-06-16 16:38:35 -07001302 }
1303
Eino-Ville Talvalad56db1d2015-12-17 16:50:35 -08001304 Status ret = Status::ok();
Ruben Brunkcc776712015-02-17 20:18:47 -08001305 sp<Client> client = nullptr;
Eino-Ville Talvalad56db1d2015-12-17 16:50:35 -08001306 ret = connectHelper<ICameraClient,Client>(cameraClient, id, halVersion,
1307 clientPackageName, clientUid, USE_CALLING_PID, API_1,
1308 /*legacyMode*/ true, /*shimUpdateOnly*/ false,
1309 /*out*/client);
Zhijun Heb10cdad2014-06-16 16:38:35 -07001310
Eino-Ville Talvalad56db1d2015-12-17 16:50:35 -08001311 if(!ret.isOk()) {
Svetoslav Ganov280405a2015-05-12 02:19:27 +00001312 logRejected(id, getCallingPid(), String8(clientPackageName),
Eino-Ville Talvalad56db1d2015-12-17 16:50:35 -08001313 ret.toString8());
Ruben Brunkcc776712015-02-17 20:18:47 -08001314 return ret;
Zhijun Heb10cdad2014-06-16 16:38:35 -07001315 }
1316
Eino-Ville Talvalad56db1d2015-12-17 16:50:35 -08001317 *device = client;
1318 return ret;
Zhijun Heb10cdad2014-06-16 16:38:35 -07001319}
1320
Eino-Ville Talvalad56db1d2015-12-17 16:50:35 -08001321Status CameraService::connectDevice(
1322 const sp<hardware::camera2::ICameraDeviceCallbacks>& cameraCb,
Ruben Brunkcc776712015-02-17 20:18:47 -08001323 int cameraId,
Svetoslav Ganov280405a2015-05-12 02:19:27 +00001324 const String16& clientPackageName,
Ruben Brunkcc776712015-02-17 20:18:47 -08001325 int clientUid,
1326 /*out*/
Eino-Ville Talvalad56db1d2015-12-17 16:50:35 -08001327 sp<hardware::camera2::ICameraDeviceUser>* device) {
Ruben Brunkcc776712015-02-17 20:18:47 -08001328
Eino-Ville Talvalaa84bbe62015-09-08 17:59:17 -07001329 ATRACE_CALL();
Eino-Ville Talvalad56db1d2015-12-17 16:50:35 -08001330 Status ret = Status::ok();
Ruben Brunkcc776712015-02-17 20:18:47 -08001331 String8 id = String8::format("%d", cameraId);
1332 sp<CameraDeviceClient> client = nullptr;
Eino-Ville Talvalad56db1d2015-12-17 16:50:35 -08001333 ret = connectHelper<hardware::camera2::ICameraDeviceCallbacks,CameraDeviceClient>(cameraCb, id,
1334 CAMERA_HAL_API_VERSION_UNSPECIFIED, clientPackageName,
1335 clientUid, USE_CALLING_PID, API_2,
1336 /*legacyMode*/ false, /*shimUpdateOnly*/ false,
1337 /*out*/client);
Ruben Brunkcc776712015-02-17 20:18:47 -08001338
Eino-Ville Talvalad56db1d2015-12-17 16:50:35 -08001339 if(!ret.isOk()) {
Svetoslav Ganov280405a2015-05-12 02:19:27 +00001340 logRejected(id, getCallingPid(), String8(clientPackageName),
Eino-Ville Talvalad56db1d2015-12-17 16:50:35 -08001341 ret.toString8());
Ruben Brunkcc776712015-02-17 20:18:47 -08001342 return ret;
Chien-Yu Chen88da5262015-02-17 13:56:46 -08001343 }
1344
Eino-Ville Talvalad56db1d2015-12-17 16:50:35 -08001345 *device = client;
1346 return ret;
Chien-Yu Chen88da5262015-02-17 13:56:46 -08001347}
1348
Eino-Ville Talvalad56db1d2015-12-17 16:50:35 -08001349Status CameraService::setTorchMode(const String16& cameraId, bool enabled,
Chien-Yu Chen3068d732015-02-09 13:29:57 -08001350 const sp<IBinder>& clientBinder) {
Eino-Ville Talvalaa84bbe62015-09-08 17:59:17 -07001351
1352 ATRACE_CALL();
Ruben Brunk99e69712015-05-26 17:25:07 -07001353 if (enabled && clientBinder == nullptr) {
Chien-Yu Chen3068d732015-02-09 13:29:57 -08001354 ALOGE("%s: torch client binder is NULL", __FUNCTION__);
Eino-Ville Talvalad56db1d2015-12-17 16:50:35 -08001355 return STATUS_ERROR(ERROR_ILLEGAL_ARGUMENT,
1356 "Torch client Binder is null");
Chien-Yu Chen3068d732015-02-09 13:29:57 -08001357 }
1358
Chien-Yu Chen88da5262015-02-17 13:56:46 -08001359 String8 id = String8(cameraId.string());
Ruben Brunk99e69712015-05-26 17:25:07 -07001360 int uid = getCallingUid();
Chien-Yu Chen88da5262015-02-17 13:56:46 -08001361
1362 // verify id is valid.
Ruben Brunkcc776712015-02-17 20:18:47 -08001363 auto state = getCameraState(id);
1364 if (state == nullptr) {
Chien-Yu Chenf6463fc2015-04-07 15:11:31 -07001365 ALOGE("%s: camera id is invalid %s", __FUNCTION__, id.string());
Eino-Ville Talvalad56db1d2015-12-17 16:50:35 -08001366 return STATUS_ERROR_FMT(ERROR_ILLEGAL_ARGUMENT,
1367 "Camera ID \"%s\" is a not valid camera ID", id.string());
Ruben Brunkcc776712015-02-17 20:18:47 -08001368 }
1369
Eino-Ville Talvalad56db1d2015-12-17 16:50:35 -08001370 int32_t cameraStatus = state->getStatus();
Ruben Brunkcc776712015-02-17 20:18:47 -08001371 if (cameraStatus != ICameraServiceListener::STATUS_PRESENT &&
1372 cameraStatus != ICameraServiceListener::STATUS_NOT_AVAILABLE) {
Chien-Yu Chenf6463fc2015-04-07 15:11:31 -07001373 ALOGE("%s: camera id is invalid %s", __FUNCTION__, id.string());
Eino-Ville Talvalad56db1d2015-12-17 16:50:35 -08001374 return STATUS_ERROR_FMT(ERROR_ILLEGAL_ARGUMENT,
1375 "Camera ID \"%s\" is a not valid camera ID", id.string());
Chien-Yu Chen88da5262015-02-17 13:56:46 -08001376 }
1377
1378 {
1379 Mutex::Autolock al(mTorchStatusMutex);
Eino-Ville Talvalad56db1d2015-12-17 16:50:35 -08001380 int32_t status;
1381 status_t err = getTorchStatusLocked(id, &status);
1382 if (err != OK) {
1383 if (err == NAME_NOT_FOUND) {
1384 return STATUS_ERROR_FMT(ERROR_ILLEGAL_ARGUMENT,
1385 "Camera \"%s\" does not have a flash unit", id.string());
1386 }
Chien-Yu Chen88da5262015-02-17 13:56:46 -08001387 ALOGE("%s: getting current torch status failed for camera %s",
1388 __FUNCTION__, id.string());
Eino-Ville Talvalad56db1d2015-12-17 16:50:35 -08001389 return STATUS_ERROR_FMT(ERROR_INVALID_OPERATION,
1390 "Error updating torch status for camera \"%s\": %s (%d)", id.string(),
1391 strerror(-err), err);
Chien-Yu Chen88da5262015-02-17 13:56:46 -08001392 }
1393
1394 if (status == ICameraServiceListener::TORCH_STATUS_NOT_AVAILABLE) {
Ruben Brunkcc776712015-02-17 20:18:47 -08001395 if (cameraStatus == ICameraServiceListener::STATUS_NOT_AVAILABLE) {
Chien-Yu Chen88da5262015-02-17 13:56:46 -08001396 ALOGE("%s: torch mode of camera %s is not available because "
1397 "camera is in use", __FUNCTION__, id.string());
Eino-Ville Talvalad56db1d2015-12-17 16:50:35 -08001398 return STATUS_ERROR_FMT(ERROR_CAMERA_IN_USE,
1399 "Torch for camera \"%s\" is not available due to an existing camera user",
1400 id.string());
Chien-Yu Chen88da5262015-02-17 13:56:46 -08001401 } else {
1402 ALOGE("%s: torch mode of camera %s is not available due to "
1403 "insufficient resources", __FUNCTION__, id.string());
Eino-Ville Talvalad56db1d2015-12-17 16:50:35 -08001404 return STATUS_ERROR_FMT(ERROR_MAX_CAMERAS_IN_USE,
1405 "Torch for camera \"%s\" is not available due to insufficient resources",
1406 id.string());
Chien-Yu Chen88da5262015-02-17 13:56:46 -08001407 }
1408 }
1409 }
1410
Ruben Brunk99e69712015-05-26 17:25:07 -07001411 {
1412 // Update UID map - this is used in the torch status changed callbacks, so must be done
1413 // before setTorchMode
Chien-Yu Chenfe751be2015-09-01 14:16:44 -07001414 Mutex::Autolock al(mTorchUidMapMutex);
Ruben Brunk99e69712015-05-26 17:25:07 -07001415 if (mTorchUidMap.find(id) == mTorchUidMap.end()) {
1416 mTorchUidMap[id].first = uid;
1417 mTorchUidMap[id].second = uid;
1418 } else {
1419 // Set the pending UID
1420 mTorchUidMap[id].first = uid;
1421 }
1422 }
1423
Eino-Ville Talvalad56db1d2015-12-17 16:50:35 -08001424 status_t err = mFlashlight->setTorchMode(id, enabled);
Ruben Brunk99e69712015-05-26 17:25:07 -07001425
Eino-Ville Talvalad56db1d2015-12-17 16:50:35 -08001426 if (err != OK) {
1427 int32_t errorCode;
1428 String8 msg;
1429 switch (err) {
1430 case -ENOSYS:
1431 msg = String8::format("Camera \"%s\" has no flashlight",
1432 id.string());
1433 errorCode = ERROR_ILLEGAL_ARGUMENT;
1434 break;
1435 default:
1436 msg = String8::format(
1437 "Setting torch mode of camera \"%s\" to %d failed: %s (%d)",
1438 id.string(), enabled, strerror(-err), err);
1439 errorCode = ERROR_INVALID_OPERATION;
1440 }
1441 ALOGE("%s: %s", __FUNCTION__, msg.string());
1442 return STATUS_ERROR(errorCode, msg.string());
Chien-Yu Chen3068d732015-02-09 13:29:57 -08001443 }
1444
Chien-Yu Chen88da5262015-02-17 13:56:46 -08001445 {
1446 // update the link to client's death
1447 Mutex::Autolock al(mTorchClientMapMutex);
1448 ssize_t index = mTorchClientMap.indexOfKey(id);
1449 if (enabled) {
1450 if (index == NAME_NOT_FOUND) {
1451 mTorchClientMap.add(id, clientBinder);
1452 } else {
Ruben Brunk99e69712015-05-26 17:25:07 -07001453 mTorchClientMap.valueAt(index)->unlinkToDeath(this);
Chien-Yu Chen88da5262015-02-17 13:56:46 -08001454 mTorchClientMap.replaceValueAt(index, clientBinder);
1455 }
1456 clientBinder->linkToDeath(this);
1457 } else if (index != NAME_NOT_FOUND) {
Ruben Brunk99e69712015-05-26 17:25:07 -07001458 mTorchClientMap.valueAt(index)->unlinkToDeath(this);
Chien-Yu Chen3068d732015-02-09 13:29:57 -08001459 }
Chien-Yu Chen3068d732015-02-09 13:29:57 -08001460 }
1461
Eino-Ville Talvalad56db1d2015-12-17 16:50:35 -08001462 return Status::ok();
Chien-Yu Chen3068d732015-02-09 13:29:57 -08001463}
1464
Eino-Ville Talvalad56db1d2015-12-17 16:50:35 -08001465Status CameraService::notifySystemEvent(int32_t eventId,
1466 const std::vector<int32_t>& args) {
Eino-Ville Talvalaa84bbe62015-09-08 17:59:17 -07001467 ATRACE_CALL();
1468
Ruben Brunk36597b22015-03-20 22:15:57 -07001469 switch(eventId) {
Eino-Ville Talvalad56db1d2015-12-17 16:50:35 -08001470 case ICameraService::EVENT_USER_SWITCHED: {
1471 doUserSwitch(/*newUserIds*/ args);
Ruben Brunk36597b22015-03-20 22:15:57 -07001472 break;
1473 }
Eino-Ville Talvalad56db1d2015-12-17 16:50:35 -08001474 case ICameraService::EVENT_NONE:
Ruben Brunk36597b22015-03-20 22:15:57 -07001475 default: {
1476 ALOGW("%s: Received invalid system event from system_server: %d", __FUNCTION__,
1477 eventId);
1478 break;
1479 }
1480 }
Eino-Ville Talvalad56db1d2015-12-17 16:50:35 -08001481 return Status::ok();
Ruben Brunk36597b22015-03-20 22:15:57 -07001482}
1483
Eino-Ville Talvalad56db1d2015-12-17 16:50:35 -08001484Status CameraService::addListener(const sp<ICameraServiceListener>& listener) {
Eino-Ville Talvalaa84bbe62015-09-08 17:59:17 -07001485 ATRACE_CALL();
1486
Igor Murashkinbfc99152013-02-27 12:55:20 -08001487 ALOGV("%s: Add listener %p", __FUNCTION__, listener.get());
Igor Murashkin634a5152013-02-20 17:15:11 -08001488
Ruben Brunk3450ba72015-06-16 11:00:37 -07001489 if (listener == nullptr) {
Igor Murashkinbd3e2e02014-03-17 13:01:41 -07001490 ALOGE("%s: Listener must not be null", __FUNCTION__);
Eino-Ville Talvalad56db1d2015-12-17 16:50:35 -08001491 return STATUS_ERROR(ERROR_ILLEGAL_ARGUMENT, "Null listener given to addListener");
Igor Murashkinbd3e2e02014-03-17 13:01:41 -07001492 }
1493
Igor Murashkinbfc99152013-02-27 12:55:20 -08001494 Mutex::Autolock lock(mServiceLock);
1495
Ruben Brunkcc776712015-02-17 20:18:47 -08001496 {
1497 Mutex::Autolock lock(mStatusListenerLock);
1498 for (auto& it : mListenerList) {
1499 if (IInterface::asBinder(it) == IInterface::asBinder(listener)) {
1500 ALOGW("%s: Tried to add listener %p which was already subscribed",
1501 __FUNCTION__, listener.get());
Eino-Ville Talvalad56db1d2015-12-17 16:50:35 -08001502 return STATUS_ERROR(ERROR_ALREADY_EXISTS, "Listener already registered");
Ruben Brunkcc776712015-02-17 20:18:47 -08001503 }
Igor Murashkinbfc99152013-02-27 12:55:20 -08001504 }
Ruben Brunkcc776712015-02-17 20:18:47 -08001505
1506 mListenerList.push_back(listener);
Igor Murashkinbfc99152013-02-27 12:55:20 -08001507 }
1508
Igor Murashkinbfc99152013-02-27 12:55:20 -08001509
Igor Murashkincba2c162013-03-20 15:56:31 -07001510 /* Immediately signal current status to this listener only */
1511 {
Ruben Brunkcc776712015-02-17 20:18:47 -08001512 Mutex::Autolock lock(mCameraStatesLock);
1513 for (auto& i : mCameraStates) {
1514 // TODO: Update binder to use String16 for camera IDs and remove;
1515 int id = cameraIdToInt(i.first);
1516 if (id == -1) continue;
1517
1518 listener->onStatusChanged(i.second->getStatus(), id);
Igor Murashkincba2c162013-03-20 15:56:31 -07001519 }
1520 }
1521
Chien-Yu Chen3068d732015-02-09 13:29:57 -08001522 /* Immediately signal current torch status to this listener only */
1523 {
1524 Mutex::Autolock al(mTorchStatusMutex);
1525 for (size_t i = 0; i < mTorchStatusMap.size(); i++ ) {
Chien-Yu Chen88da5262015-02-17 13:56:46 -08001526 String16 id = String16(mTorchStatusMap.keyAt(i).string());
1527 listener->onTorchStatusChanged(mTorchStatusMap.valueAt(i), id);
Chien-Yu Chen3068d732015-02-09 13:29:57 -08001528 }
Chien-Yu Chen3068d732015-02-09 13:29:57 -08001529 }
1530
Eino-Ville Talvalad56db1d2015-12-17 16:50:35 -08001531 return Status::ok();
Igor Murashkinbfc99152013-02-27 12:55:20 -08001532}
Ruben Brunkcc776712015-02-17 20:18:47 -08001533
Eino-Ville Talvalad56db1d2015-12-17 16:50:35 -08001534Status CameraService::removeListener(const sp<ICameraServiceListener>& listener) {
Eino-Ville Talvalaa84bbe62015-09-08 17:59:17 -07001535 ATRACE_CALL();
1536
Igor Murashkinbfc99152013-02-27 12:55:20 -08001537 ALOGV("%s: Remove listener %p", __FUNCTION__, listener.get());
1538
Igor Murashkinbd3e2e02014-03-17 13:01:41 -07001539 if (listener == 0) {
1540 ALOGE("%s: Listener must not be null", __FUNCTION__);
Eino-Ville Talvalad56db1d2015-12-17 16:50:35 -08001541 return STATUS_ERROR(ERROR_ILLEGAL_ARGUMENT, "Null listener given to removeListener");
Igor Murashkinbd3e2e02014-03-17 13:01:41 -07001542 }
1543
Igor Murashkinbfc99152013-02-27 12:55:20 -08001544 Mutex::Autolock lock(mServiceLock);
1545
Ruben Brunkcc776712015-02-17 20:18:47 -08001546 {
1547 Mutex::Autolock lock(mStatusListenerLock);
1548 for (auto it = mListenerList.begin(); it != mListenerList.end(); it++) {
1549 if (IInterface::asBinder(*it) == IInterface::asBinder(listener)) {
1550 mListenerList.erase(it);
Eino-Ville Talvalad56db1d2015-12-17 16:50:35 -08001551 return Status::ok();
Ruben Brunkcc776712015-02-17 20:18:47 -08001552 }
Igor Murashkinbfc99152013-02-27 12:55:20 -08001553 }
1554 }
1555
1556 ALOGW("%s: Tried to remove a listener %p which was not subscribed",
1557 __FUNCTION__, listener.get());
1558
Eino-Ville Talvalad56db1d2015-12-17 16:50:35 -08001559 return STATUS_ERROR(ERROR_ILLEGAL_ARGUMENT, "Unregistered listener given to removeListener");
Igor Murashkin634a5152013-02-20 17:15:11 -08001560}
1561
Eino-Ville Talvalad56db1d2015-12-17 16:50:35 -08001562Status CameraService::getLegacyParameters(int cameraId, /*out*/String16* parameters) {
Eino-Ville Talvalaa84bbe62015-09-08 17:59:17 -07001563
1564 ATRACE_CALL();
Igor Murashkin65d14b92014-06-17 12:03:20 -07001565 ALOGV("%s: for camera ID = %d", __FUNCTION__, cameraId);
1566
1567 if (parameters == NULL) {
1568 ALOGE("%s: parameters must not be null", __FUNCTION__);
Eino-Ville Talvalad56db1d2015-12-17 16:50:35 -08001569 return STATUS_ERROR(ERROR_ILLEGAL_ARGUMENT, "Parameters must not be null");
Igor Murashkin65d14b92014-06-17 12:03:20 -07001570 }
1571
Eino-Ville Talvalad56db1d2015-12-17 16:50:35 -08001572 Status ret = Status::ok();
Igor Murashkin65d14b92014-06-17 12:03:20 -07001573
1574 CameraParameters shimParams;
Eino-Ville Talvalad56db1d2015-12-17 16:50:35 -08001575 if (!(ret = getLegacyParametersLazy(cameraId, /*out*/&shimParams)).isOk()) {
Igor Murashkin65d14b92014-06-17 12:03:20 -07001576 // Error logged by caller
1577 return ret;
1578 }
1579
1580 String8 shimParamsString8 = shimParams.flatten();
1581 String16 shimParamsString16 = String16(shimParamsString8);
1582
1583 *parameters = shimParamsString16;
1584
Eino-Ville Talvalad56db1d2015-12-17 16:50:35 -08001585 return ret;
Igor Murashkin65d14b92014-06-17 12:03:20 -07001586}
1587
Eino-Ville Talvalad56db1d2015-12-17 16:50:35 -08001588Status CameraService::supportsCameraApi(int cameraId, int apiVersion, bool *isSupported) {
Eino-Ville Talvalaa84bbe62015-09-08 17:59:17 -07001589 ATRACE_CALL();
1590
Igor Murashkin65d14b92014-06-17 12:03:20 -07001591 ALOGV("%s: for camera ID = %d", __FUNCTION__, cameraId);
1592
1593 switch (apiVersion) {
1594 case API_VERSION_1:
1595 case API_VERSION_2:
1596 break;
1597 default:
Eino-Ville Talvalad56db1d2015-12-17 16:50:35 -08001598 String8 msg = String8::format("Unknown API version %d", apiVersion);
1599 ALOGE("%s: %s", __FUNCTION__, msg.string());
1600 return STATUS_ERROR(ERROR_ILLEGAL_ARGUMENT, msg.string());
Igor Murashkin65d14b92014-06-17 12:03:20 -07001601 }
1602
1603 int facing = -1;
1604 int deviceVersion = getDeviceVersion(cameraId, &facing);
1605
1606 switch(deviceVersion) {
Eino-Ville Talvalad56db1d2015-12-17 16:50:35 -08001607 case CAMERA_DEVICE_API_VERSION_1_0:
1608 case CAMERA_DEVICE_API_VERSION_3_0:
1609 case CAMERA_DEVICE_API_VERSION_3_1:
1610 if (apiVersion == API_VERSION_2) {
1611 ALOGV("%s: Camera id %d uses HAL version %d <3.2, doesn't support api2 without shim",
1612 __FUNCTION__, cameraId, deviceVersion);
1613 *isSupported = false;
1614 } else { // if (apiVersion == API_VERSION_1) {
1615 ALOGV("%s: Camera id %d uses older HAL before 3.2, but api1 is always supported",
1616 __FUNCTION__, cameraId);
1617 *isSupported = true;
1618 }
1619 break;
1620 case CAMERA_DEVICE_API_VERSION_3_2:
1621 case CAMERA_DEVICE_API_VERSION_3_3:
1622 ALOGV("%s: Camera id %d uses HAL3.2 or newer, supports api1/api2 directly",
Igor Murashkin65d14b92014-06-17 12:03:20 -07001623 __FUNCTION__, cameraId);
Eino-Ville Talvalad56db1d2015-12-17 16:50:35 -08001624 *isSupported = true;
1625 break;
1626 case -1: {
1627 String8 msg = String8::format("Unknown camera ID %d", cameraId);
1628 ALOGE("%s: %s", __FUNCTION__, msg.string());
1629 return STATUS_ERROR(ERROR_ILLEGAL_ARGUMENT, msg.string());
Igor Murashkin65d14b92014-06-17 12:03:20 -07001630 }
Eino-Ville Talvalad56db1d2015-12-17 16:50:35 -08001631 default: {
1632 String8 msg = String8::format("Unknown device version %d for device %d",
1633 deviceVersion, cameraId);
1634 ALOGE("%s: %s", __FUNCTION__, msg.string());
1635 return STATUS_ERROR(ERROR_INVALID_OPERATION, msg.string());
1636 }
Igor Murashkin65d14b92014-06-17 12:03:20 -07001637 }
1638
Eino-Ville Talvalad56db1d2015-12-17 16:50:35 -08001639 return Status::ok();
Igor Murashkin65d14b92014-06-17 12:03:20 -07001640}
1641
Ruben Brunkcc776712015-02-17 20:18:47 -08001642void CameraService::removeByClient(const BasicClient* client) {
Igor Murashkinecf17e82012-10-02 16:05:11 -07001643 Mutex::Autolock lock(mServiceLock);
Ruben Brunkcc776712015-02-17 20:18:47 -08001644 for (auto& i : mActiveClientManager.getAll()) {
1645 auto clientSp = i->getValue();
1646 if (clientSp.get() == client) {
1647 mActiveClientManager.remove(i);
Igor Murashkin634a5152013-02-20 17:15:11 -08001648 }
Igor Murashkinecf17e82012-10-02 16:05:11 -07001649 }
Igor Murashkin634a5152013-02-20 17:15:11 -08001650}
1651
Ruben Brunkcc776712015-02-17 20:18:47 -08001652bool CameraService::evictClientIdByRemote(const wp<IBinder>& remote) {
1653 const int callingPid = getCallingPid();
1654 const int servicePid = getpid();
1655 bool ret = false;
1656 {
1657 // Acquire mServiceLock and prevent other clients from connecting
1658 std::unique_ptr<AutoConditionLock> lock =
1659 AutoConditionLock::waitAndAcquire(mServiceLockWrapper);
Igor Murashkin634a5152013-02-20 17:15:11 -08001660
Igor Murashkin634a5152013-02-20 17:15:11 -08001661
Ruben Brunkcc776712015-02-17 20:18:47 -08001662 std::vector<sp<BasicClient>> evicted;
1663 for (auto& i : mActiveClientManager.getAll()) {
1664 auto clientSp = i->getValue();
1665 if (clientSp.get() == nullptr) {
1666 ALOGE("%s: Dead client still in mActiveClientManager.", __FUNCTION__);
1667 mActiveClientManager.remove(i);
1668 continue;
1669 }
1670 if (remote == clientSp->getRemote() && (callingPid == servicePid ||
1671 callingPid == clientSp->getClientPid())) {
1672 mActiveClientManager.remove(i);
1673 evicted.push_back(clientSp);
Igor Murashkin634a5152013-02-20 17:15:11 -08001674
Ruben Brunkcc776712015-02-17 20:18:47 -08001675 // Notify the client of disconnection
Eino-Ville Talvalad56db1d2015-12-17 16:50:35 -08001676 clientSp->notifyError(
1677 hardware::camera2::ICameraDeviceCallbacks::ERROR_CAMERA_DISCONNECTED,
Ruben Brunkcc776712015-02-17 20:18:47 -08001678 CaptureResultExtras());
Igor Murashkin634a5152013-02-20 17:15:11 -08001679 }
1680 }
1681
Ruben Brunkcc776712015-02-17 20:18:47 -08001682 // Do not hold mServiceLock while disconnecting clients, but retain the condition blocking
1683 // other clients from connecting in mServiceLockWrapper if held
1684 mServiceLock.unlock();
1685
Ruben Brunk36597b22015-03-20 22:15:57 -07001686 // Do not clear caller identity, remote caller should be client proccess
1687
Ruben Brunkcc776712015-02-17 20:18:47 -08001688 for (auto& i : evicted) {
1689 if (i.get() != nullptr) {
1690 i->disconnect();
1691 ret = true;
1692 }
Igor Murashkin634a5152013-02-20 17:15:11 -08001693 }
1694
Ruben Brunkcc776712015-02-17 20:18:47 -08001695 // Reacquire mServiceLock
1696 mServiceLock.lock();
Igor Murashkin634a5152013-02-20 17:15:11 -08001697
Ruben Brunkcc776712015-02-17 20:18:47 -08001698 } // lock is destroyed, allow further connect calls
1699
1700 return ret;
Igor Murashkinecf17e82012-10-02 16:05:11 -07001701}
1702
Igor Murashkinecf17e82012-10-02 16:05:11 -07001703
Eino-Ville Talvalabad43582015-08-14 13:12:32 -07001704/**
1705 * Check camera capabilities, such as support for basic color operation
Eino-Ville Talvalad309fb92015-11-25 12:12:45 -08001706 * Also check that the device HAL version is still in support
Eino-Ville Talvalabad43582015-08-14 13:12:32 -07001707 */
1708int CameraService::checkCameraCapabilities(int id, camera_info info, int *latestStrangeCameraId) {
Yin-Chia Yeh654b4bf2015-12-08 12:19:31 -08001709 // device_version undefined in CAMERA_MODULE_API_VERSION_1_0,
1710 // All CAMERA_MODULE_API_VERSION_1_0 devices are backward-compatible
1711 if (mModule->getModuleApiVersion() >= CAMERA_MODULE_API_VERSION_2_0) {
1712 // Verify the device version is in the supported range
1713 switch (info.device_version) {
1714 case CAMERA_DEVICE_API_VERSION_1_0:
1715 case CAMERA_DEVICE_API_VERSION_3_0:
1716 case CAMERA_DEVICE_API_VERSION_3_1:
1717 case CAMERA_DEVICE_API_VERSION_3_2:
1718 case CAMERA_DEVICE_API_VERSION_3_3:
1719 // in support
1720 break;
1721 case CAMERA_DEVICE_API_VERSION_2_0:
1722 case CAMERA_DEVICE_API_VERSION_2_1:
1723 // no longer supported
1724 default:
1725 ALOGE("%s: Device %d has HAL version %x, which is not supported",
1726 __FUNCTION__, id, info.device_version);
1727 String8 msg = String8::format(
1728 "Unsupported device HAL version %x for device %d",
1729 info.device_version, id);
1730 logServiceError(msg.string(), NO_INIT);
1731 return NO_INIT;
1732 }
Eino-Ville Talvalad309fb92015-11-25 12:12:45 -08001733 }
1734
Eino-Ville Talvalabad43582015-08-14 13:12:32 -07001735 // Assume all devices pre-v3.3 are backward-compatible
1736 bool isBackwardCompatible = true;
1737 if (mModule->getModuleApiVersion() >= CAMERA_MODULE_API_VERSION_2_0
1738 && info.device_version >= CAMERA_DEVICE_API_VERSION_3_3) {
1739 isBackwardCompatible = false;
1740 status_t res;
1741 camera_metadata_ro_entry_t caps;
1742 res = find_camera_metadata_ro_entry(
1743 info.static_camera_characteristics,
1744 ANDROID_REQUEST_AVAILABLE_CAPABILITIES,
1745 &caps);
1746 if (res != 0) {
1747 ALOGW("%s: Unable to find camera capabilities for camera device %d",
1748 __FUNCTION__, id);
1749 caps.count = 0;
1750 }
1751 for (size_t i = 0; i < caps.count; i++) {
1752 if (caps.data.u8[i] ==
1753 ANDROID_REQUEST_AVAILABLE_CAPABILITIES_BACKWARD_COMPATIBLE) {
1754 isBackwardCompatible = true;
1755 break;
1756 }
1757 }
1758 }
1759
1760 if (!isBackwardCompatible) {
1761 mNumberOfNormalCameras--;
1762 *latestStrangeCameraId = id;
1763 } else {
1764 if (id > *latestStrangeCameraId) {
1765 ALOGE("%s: Normal camera ID %d higher than strange camera ID %d. "
1766 "This is not allowed due backward-compatibility requirements",
1767 __FUNCTION__, id, *latestStrangeCameraId);
Eino-Ville Talvalad309fb92015-11-25 12:12:45 -08001768 logServiceError("Invalid order of camera devices", NO_INIT);
Eino-Ville Talvalabad43582015-08-14 13:12:32 -07001769 mNumberOfCameras = 0;
1770 mNumberOfNormalCameras = 0;
Eino-Ville Talvalad309fb92015-11-25 12:12:45 -08001771 return NO_INIT;
Eino-Ville Talvalabad43582015-08-14 13:12:32 -07001772 }
1773 }
1774 return OK;
1775}
1776
Ruben Brunkcc776712015-02-17 20:18:47 -08001777std::shared_ptr<CameraService::CameraState> CameraService::getCameraState(
1778 const String8& cameraId) const {
1779 std::shared_ptr<CameraState> state;
1780 {
1781 Mutex::Autolock lock(mCameraStatesLock);
1782 auto iter = mCameraStates.find(cameraId);
1783 if (iter != mCameraStates.end()) {
1784 state = iter->second;
Mathias Agopian65ab4712010-07-14 17:59:35 -07001785 }
1786 }
Ruben Brunkcc776712015-02-17 20:18:47 -08001787 return state;
Mathias Agopian65ab4712010-07-14 17:59:35 -07001788}
1789
Ruben Brunkcc776712015-02-17 20:18:47 -08001790sp<CameraService::BasicClient> CameraService::removeClientLocked(const String8& cameraId) {
1791 // Remove from active clients list
1792 auto clientDescriptorPtr = mActiveClientManager.remove(cameraId);
1793 if (clientDescriptorPtr == nullptr) {
1794 ALOGW("%s: Could not evict client, no client for camera ID %s", __FUNCTION__,
1795 cameraId.string());
1796 return sp<BasicClient>{nullptr};
1797 }
1798
1799 return clientDescriptorPtr->getValue();
Keun young Parkd8973a72012-03-28 14:13:09 -07001800}
1801
Eino-Ville Talvalad56db1d2015-12-17 16:50:35 -08001802void CameraService::doUserSwitch(const std::vector<int32_t>& newUserIds) {
Ruben Brunk36597b22015-03-20 22:15:57 -07001803 // Acquire mServiceLock and prevent other clients from connecting
1804 std::unique_ptr<AutoConditionLock> lock =
1805 AutoConditionLock::waitAndAcquire(mServiceLockWrapper);
1806
Ruben Brunk6267b532015-04-30 17:44:07 -07001807 std::set<userid_t> newAllowedUsers;
Eino-Ville Talvalad56db1d2015-12-17 16:50:35 -08001808 for (size_t i = 0; i < newUserIds.size(); i++) {
1809 if (newUserIds[i] < 0) {
Ruben Brunk6267b532015-04-30 17:44:07 -07001810 ALOGE("%s: Bad user ID %d given during user switch, ignoring.",
Eino-Ville Talvalad56db1d2015-12-17 16:50:35 -08001811 __FUNCTION__, newUserIds[i]);
Ruben Brunk6267b532015-04-30 17:44:07 -07001812 return;
1813 }
Eino-Ville Talvalad56db1d2015-12-17 16:50:35 -08001814 newAllowedUsers.insert(static_cast<userid_t>(newUserIds[i]));
Ruben Brunk36597b22015-03-20 22:15:57 -07001815 }
1816
Ruben Brunka8ca9152015-04-07 14:23:40 -07001817
Ruben Brunk6267b532015-04-30 17:44:07 -07001818 if (newAllowedUsers == mAllowedUsers) {
1819 ALOGW("%s: Received notification of user switch with no updated user IDs.", __FUNCTION__);
1820 return;
1821 }
1822
1823 logUserSwitch(mAllowedUsers, newAllowedUsers);
1824
1825 mAllowedUsers = std::move(newAllowedUsers);
Ruben Brunk36597b22015-03-20 22:15:57 -07001826
1827 // Current user has switched, evict all current clients.
1828 std::vector<sp<BasicClient>> evicted;
1829 for (auto& i : mActiveClientManager.getAll()) {
1830 auto clientSp = i->getValue();
1831
1832 if (clientSp.get() == nullptr) {
1833 ALOGE("%s: Dead client still in mActiveClientManager.", __FUNCTION__);
1834 continue;
1835 }
1836
Ruben Brunk6267b532015-04-30 17:44:07 -07001837 // Don't evict clients that are still allowed.
1838 uid_t clientUid = clientSp->getClientUid();
1839 userid_t clientUserId = multiuser_get_user_id(clientUid);
1840 if (mAllowedUsers.find(clientUserId) != mAllowedUsers.end()) {
1841 continue;
1842 }
1843
Ruben Brunk36597b22015-03-20 22:15:57 -07001844 evicted.push_back(clientSp);
1845
1846 String8 curTime = getFormattedCurrentTime();
1847
1848 ALOGE("Evicting conflicting client for camera ID %s due to user change",
1849 i->getKey().string());
Ruben Brunka8ca9152015-04-07 14:23:40 -07001850
Ruben Brunk36597b22015-03-20 22:15:57 -07001851 // Log the clients evicted
Ruben Brunka8ca9152015-04-07 14:23:40 -07001852 logEvent(String8::format("EVICT device %s client held by package %s (PID %"
Ruben Brunk36597b22015-03-20 22:15:57 -07001853 PRId32 ", priority %" PRId32 ")\n - Evicted due to user switch.",
Ruben Brunka8ca9152015-04-07 14:23:40 -07001854 i->getKey().string(), String8{clientSp->getPackageName()}.string(),
1855 i->getOwnerId(), i->getPriority()));
Ruben Brunk36597b22015-03-20 22:15:57 -07001856
1857 }
1858
1859 // Do not hold mServiceLock while disconnecting clients, but retain the condition
1860 // blocking other clients from connecting in mServiceLockWrapper if held.
1861 mServiceLock.unlock();
1862
1863 // Clear caller identity temporarily so client disconnect PID checks work correctly
1864 int64_t token = IPCThreadState::self()->clearCallingIdentity();
1865
1866 for (auto& i : evicted) {
1867 i->disconnect();
1868 }
1869
1870 IPCThreadState::self()->restoreCallingIdentity(token);
1871
1872 // Reacquire mServiceLock
1873 mServiceLock.lock();
1874}
Ruben Brunkcc776712015-02-17 20:18:47 -08001875
Ruben Brunka8ca9152015-04-07 14:23:40 -07001876void CameraService::logEvent(const char* event) {
Ruben Brunkcc776712015-02-17 20:18:47 -08001877 String8 curTime = getFormattedCurrentTime();
Ruben Brunka8ca9152015-04-07 14:23:40 -07001878 Mutex::Autolock l(mLogLock);
1879 mEventLog.add(String8::format("%s : %s", curTime.string(), event));
Mathias Agopian65ab4712010-07-14 17:59:35 -07001880}
1881
Ruben Brunka8ca9152015-04-07 14:23:40 -07001882void CameraService::logDisconnected(const char* cameraId, int clientPid,
Svetoslav Ganov280405a2015-05-12 02:19:27 +00001883 const char* clientPackage) {
Ruben Brunkcc776712015-02-17 20:18:47 -08001884 // Log the clients evicted
Ruben Brunka8ca9152015-04-07 14:23:40 -07001885 logEvent(String8::format("DISCONNECT device %s client for package %s (PID %d)", cameraId,
Svetoslav Ganov280405a2015-05-12 02:19:27 +00001886 clientPackage, clientPid));
Ruben Brunka8ca9152015-04-07 14:23:40 -07001887}
1888
1889void CameraService::logConnected(const char* cameraId, int clientPid,
Svetoslav Ganov280405a2015-05-12 02:19:27 +00001890 const char* clientPackage) {
Ruben Brunka8ca9152015-04-07 14:23:40 -07001891 // Log the clients evicted
1892 logEvent(String8::format("CONNECT device %s client for package %s (PID %d)", cameraId,
Svetoslav Ganov280405a2015-05-12 02:19:27 +00001893 clientPackage, clientPid));
Ruben Brunka8ca9152015-04-07 14:23:40 -07001894}
1895
1896void CameraService::logRejected(const char* cameraId, int clientPid,
Svetoslav Ganov280405a2015-05-12 02:19:27 +00001897 const char* clientPackage, const char* reason) {
Ruben Brunka8ca9152015-04-07 14:23:40 -07001898 // Log the client rejected
1899 logEvent(String8::format("REJECT device %s client for package %s (PID %d), reason: (%s)",
Svetoslav Ganov280405a2015-05-12 02:19:27 +00001900 cameraId, clientPackage, clientPid, reason));
Ruben Brunka8ca9152015-04-07 14:23:40 -07001901}
1902
Ruben Brunk6267b532015-04-30 17:44:07 -07001903void CameraService::logUserSwitch(const std::set<userid_t>& oldUserIds,
1904 const std::set<userid_t>& newUserIds) {
1905 String8 newUsers = toString(newUserIds);
1906 String8 oldUsers = toString(oldUserIds);
Ruben Brunka8ca9152015-04-07 14:23:40 -07001907 // Log the new and old users
Ruben Brunk6267b532015-04-30 17:44:07 -07001908 logEvent(String8::format("USER_SWITCH previous allowed users: %s , current allowed users: %s",
1909 oldUsers.string(), newUsers.string()));
Ruben Brunka8ca9152015-04-07 14:23:40 -07001910}
1911
1912void CameraService::logDeviceRemoved(const char* cameraId, const char* reason) {
1913 // Log the device removal
1914 logEvent(String8::format("REMOVE device %s, reason: (%s)", cameraId, reason));
1915}
1916
1917void CameraService::logDeviceAdded(const char* cameraId, const char* reason) {
1918 // Log the device removal
1919 logEvent(String8::format("ADD device %s, reason: (%s)", cameraId, reason));
1920}
1921
1922void CameraService::logClientDied(int clientPid, const char* reason) {
1923 // Log the device removal
1924 logEvent(String8::format("DIED client(s) with PID %d, reason: (%s)", clientPid, reason));
Igor Murashkinecf17e82012-10-02 16:05:11 -07001925}
1926
Eino-Ville Talvala1527f072015-04-07 15:55:31 -07001927void CameraService::logServiceError(const char* msg, int errorCode) {
1928 String8 curTime = getFormattedCurrentTime();
Eino-Ville Talvalad309fb92015-11-25 12:12:45 -08001929 logEvent(String8::format("SERVICE ERROR: %s : %d (%s)", msg, errorCode, strerror(-errorCode)));
Eino-Ville Talvala1527f072015-04-07 15:55:31 -07001930}
1931
Ruben Brunk36597b22015-03-20 22:15:57 -07001932status_t CameraService::onTransact(uint32_t code, const Parcel& data, Parcel* reply,
1933 uint32_t flags) {
1934
1935 const int pid = getCallingPid();
1936 const int selfPid = getpid();
1937
Mathias Agopian65ab4712010-07-14 17:59:35 -07001938 // Permission checks
1939 switch (code) {
Eino-Ville Talvalad56db1d2015-12-17 16:50:35 -08001940 case BnCameraService::NOTIFYSYSTEMEVENT: {
Ruben Brunk36597b22015-03-20 22:15:57 -07001941 if (pid != selfPid) {
1942 // Ensure we're being called by system_server, or similar process with
1943 // permissions to notify the camera service about system events
1944 if (!checkCallingPermission(
1945 String16("android.permission.CAMERA_SEND_SYSTEM_EVENTS"))) {
1946 const int uid = getCallingUid();
1947 ALOGE("Permission Denial: cannot send updates to camera service about system"
1948 " events from pid=%d, uid=%d", pid, uid);
1949 return PERMISSION_DENIED;
1950 }
1951 }
1952 break;
1953 }
Mathias Agopian65ab4712010-07-14 17:59:35 -07001954 }
1955
1956 return BnCameraService::onTransact(code, data, reply, flags);
1957}
1958
Mathias Agopian65ab4712010-07-14 17:59:35 -07001959// We share the media players for shutter and recording sound for all clients.
1960// A reference count is kept to determine when we will actually release the
1961// media players.
1962
Chih-Chung Changff4f55c2011-10-17 19:03:12 +08001963MediaPlayer* CameraService::newMediaPlayer(const char *file) {
Mathias Agopian65ab4712010-07-14 17:59:35 -07001964 MediaPlayer* mp = new MediaPlayer();
Andreas Huber1b86fe02014-01-29 11:13:26 -08001965 if (mp->setDataSource(NULL /* httpService */, file, NULL) == NO_ERROR) {
Eino-Ville Talvala60a78ac2012-01-05 15:34:53 -08001966 mp->setAudioStreamType(AUDIO_STREAM_ENFORCED_AUDIBLE);
Mathias Agopian65ab4712010-07-14 17:59:35 -07001967 mp->prepare();
1968 } else {
Steve Block29357bc2012-01-06 19:20:56 +00001969 ALOGE("Failed to load CameraService sounds: %s", file);
Mathias Agopian65ab4712010-07-14 17:59:35 -07001970 return NULL;
1971 }
1972 return mp;
1973}
1974
1975void CameraService::loadSound() {
Eino-Ville Talvalaa84bbe62015-09-08 17:59:17 -07001976 ATRACE_CALL();
1977
Mathias Agopian65ab4712010-07-14 17:59:35 -07001978 Mutex::Autolock lock(mSoundLock);
1979 LOG1("CameraService::loadSound ref=%d", mSoundRef);
1980 if (mSoundRef++) return;
1981
1982 mSoundPlayer[SOUND_SHUTTER] = newMediaPlayer("/system/media/audio/ui/camera_click.ogg");
Chien-Yu Chen82104eb2015-10-14 11:29:31 -07001983 mSoundPlayer[SOUND_RECORDING_START] = newMediaPlayer("/system/media/audio/ui/VideoRecord.ogg");
1984 mSoundPlayer[SOUND_RECORDING_STOP] = newMediaPlayer("/system/media/audio/ui/VideoStop.ogg");
Mathias Agopian65ab4712010-07-14 17:59:35 -07001985}
1986
1987void CameraService::releaseSound() {
1988 Mutex::Autolock lock(mSoundLock);
1989 LOG1("CameraService::releaseSound ref=%d", mSoundRef);
1990 if (--mSoundRef) return;
1991
1992 for (int i = 0; i < NUM_SOUNDS; i++) {
1993 if (mSoundPlayer[i] != 0) {
1994 mSoundPlayer[i]->disconnect();
1995 mSoundPlayer[i].clear();
1996 }
1997 }
1998}
1999
2000void CameraService::playSound(sound_kind kind) {
Eino-Ville Talvalaa84bbe62015-09-08 17:59:17 -07002001 ATRACE_CALL();
2002
Mathias Agopian65ab4712010-07-14 17:59:35 -07002003 LOG1("playSound(%d)", kind);
2004 Mutex::Autolock lock(mSoundLock);
2005 sp<MediaPlayer> player = mSoundPlayer[kind];
2006 if (player != 0) {
Chih-Chung Chang8888a752011-10-20 10:47:26 +08002007 player->seekTo(0);
2008 player->start();
Mathias Agopian65ab4712010-07-14 17:59:35 -07002009 }
2010}
2011
2012// ----------------------------------------------------------------------------
2013
2014CameraService::Client::Client(const sp<CameraService>& cameraService,
Wu-cheng Lib7a67942010-08-17 15:45:37 -07002015 const sp<ICameraClient>& cameraClient,
Svetoslav Ganov280405a2015-05-12 02:19:27 +00002016 const String16& clientPackageName,
Eino-Ville Talvalaceb388d2013-02-19 10:40:14 -08002017 int cameraId, int cameraFacing,
2018 int clientPid, uid_t clientUid,
2019 int servicePid) :
Eino-Ville Talvalae992e752014-11-07 16:17:48 -08002020 CameraService::BasicClient(cameraService,
Marco Nelissenf8880202014-11-14 07:58:25 -08002021 IInterface::asBinder(cameraClient),
Svetoslav Ganov280405a2015-05-12 02:19:27 +00002022 clientPackageName,
Eino-Ville Talvalaceb388d2013-02-19 10:40:14 -08002023 cameraId, cameraFacing,
2024 clientPid, clientUid,
2025 servicePid)
Igor Murashkin634a5152013-02-20 17:15:11 -08002026{
Mathias Agopian65ab4712010-07-14 17:59:35 -07002027 int callingPid = getCallingPid();
Wu-cheng Li2fd24402012-02-23 19:01:00 -08002028 LOG1("Client::Client E (pid %d, id %d)", callingPid, cameraId);
Mathias Agopian65ab4712010-07-14 17:59:35 -07002029
Igor Murashkin44cfcf02013-03-01 16:22:28 -08002030 mRemoteCallback = cameraClient;
Mathias Agopian65ab4712010-07-14 17:59:35 -07002031
Mathias Agopian65ab4712010-07-14 17:59:35 -07002032 cameraService->loadSound();
Eino-Ville Talvalaceb388d2013-02-19 10:40:14 -08002033
Wu-cheng Li2fd24402012-02-23 19:01:00 -08002034 LOG1("Client::Client X (pid %d, id %d)", callingPid, cameraId);
Mathias Agopian65ab4712010-07-14 17:59:35 -07002035}
2036
Mathias Agopian65ab4712010-07-14 17:59:35 -07002037// tear down the client
2038CameraService::Client::~Client() {
Eino-Ville Talvalad09801b2013-04-23 15:16:57 -07002039 ALOGV("~Client");
Igor Murashkin634a5152013-02-20 17:15:11 -08002040 mDestructionStarted = true;
2041
Eino-Ville Talvalaf69c70d2012-05-20 15:59:14 -07002042 mCameraService->releaseSound();
Igor Murashkin036bc3e2012-10-08 15:09:46 -07002043 // unconditionally disconnect. function is idempotent
2044 Client::disconnect();
Mathias Agopian65ab4712010-07-14 17:59:35 -07002045}
2046
Igor Murashkin634a5152013-02-20 17:15:11 -08002047CameraService::BasicClient::BasicClient(const sp<CameraService>& cameraService,
Eino-Ville Talvalaceb388d2013-02-19 10:40:14 -08002048 const sp<IBinder>& remoteCallback,
Svetoslav Ganov280405a2015-05-12 02:19:27 +00002049 const String16& clientPackageName,
Eino-Ville Talvalaceb388d2013-02-19 10:40:14 -08002050 int cameraId, int cameraFacing,
2051 int clientPid, uid_t clientUid,
2052 int servicePid):
Svetoslav Ganov280405a2015-05-12 02:19:27 +00002053 mClientPackageName(clientPackageName), mDisconnected(false)
Igor Murashkin634a5152013-02-20 17:15:11 -08002054{
2055 mCameraService = cameraService;
Igor Murashkin44cfcf02013-03-01 16:22:28 -08002056 mRemoteBinder = remoteCallback;
Igor Murashkin634a5152013-02-20 17:15:11 -08002057 mCameraId = cameraId;
2058 mCameraFacing = cameraFacing;
2059 mClientPid = clientPid;
Eino-Ville Talvalaceb388d2013-02-19 10:40:14 -08002060 mClientUid = clientUid;
Igor Murashkin634a5152013-02-20 17:15:11 -08002061 mServicePid = servicePid;
Eino-Ville Talvalaceb388d2013-02-19 10:40:14 -08002062 mOpsActive = false;
Igor Murashkin634a5152013-02-20 17:15:11 -08002063 mDestructionStarted = false;
Yin-Chia Yeh0dea57f2015-12-09 16:46:07 -08002064
2065 // In some cases the calling code has no access to the package it runs under.
2066 // For example, NDK camera API.
2067 // In this case we will get the packages for the calling UID and pick the first one
2068 // for attributing the app op. This will work correctly for runtime permissions
2069 // as for legacy apps we will toggle the app op for all packages in the UID.
2070 // The caveat is that the operation may be attributed to the wrong package and
2071 // stats based on app ops may be slightly off.
2072 if (mClientPackageName.size() <= 0) {
2073 sp<IServiceManager> sm = defaultServiceManager();
2074 sp<IBinder> binder = sm->getService(String16(kPermissionServiceName));
2075 if (binder == 0) {
2076 ALOGE("Cannot get permission service");
2077 // Leave mClientPackageName unchanged (empty) and the further interaction
2078 // with camera will fail in BasicClient::startCameraOps
2079 return;
2080 }
2081
2082 sp<IPermissionController> permCtrl = interface_cast<IPermissionController>(binder);
2083 Vector<String16> packages;
2084
2085 permCtrl->getPackagesForUid(mClientUid, packages);
2086
2087 if (packages.isEmpty()) {
2088 ALOGE("No packages for calling UID");
2089 // Leave mClientPackageName unchanged (empty) and the further interaction
2090 // with camera will fail in BasicClient::startCameraOps
2091 return;
2092 }
2093 mClientPackageName = packages[0];
2094 }
Igor Murashkin634a5152013-02-20 17:15:11 -08002095}
2096
2097CameraService::BasicClient::~BasicClient() {
Eino-Ville Talvalad09801b2013-04-23 15:16:57 -07002098 ALOGV("~BasicClient");
Igor Murashkin634a5152013-02-20 17:15:11 -08002099 mDestructionStarted = true;
2100}
2101
Eino-Ville Talvalad56db1d2015-12-17 16:50:35 -08002102binder::Status CameraService::BasicClient::disconnect() {
2103 binder::Status res = Status::ok();
Ruben Brunk36597b22015-03-20 22:15:57 -07002104 if (mDisconnected) {
Eino-Ville Talvalad56db1d2015-12-17 16:50:35 -08002105 return res;
Ruben Brunk36597b22015-03-20 22:15:57 -07002106 }
Eino-Ville Talvala24901c82015-09-04 14:15:58 -07002107 mDisconnected = true;
Ruben Brunkcc776712015-02-17 20:18:47 -08002108
2109 mCameraService->removeByClient(this);
2110 mCameraService->logDisconnected(String8::format("%d", mCameraId), mClientPid,
Svetoslav Ganov280405a2015-05-12 02:19:27 +00002111 String8(mClientPackageName));
Ruben Brunkcc776712015-02-17 20:18:47 -08002112
2113 sp<IBinder> remote = getRemote();
2114 if (remote != nullptr) {
2115 remote->unlinkToDeath(mCameraService);
2116 }
Eino-Ville Talvalaf67e23e2014-07-23 17:17:59 -07002117
2118 finishCameraOps();
Ruben Brunkcc776712015-02-17 20:18:47 -08002119 ALOGI("%s: Disconnected client for camera %d for PID %d", __FUNCTION__, mCameraId, mClientPid);
2120
Igor Murashkincba2c162013-03-20 15:56:31 -07002121 // client shouldn't be able to call into us anymore
2122 mClientPid = 0;
Eino-Ville Talvalad56db1d2015-12-17 16:50:35 -08002123
2124 return res;
Igor Murashkin634a5152013-02-20 17:15:11 -08002125}
2126
Eino-Ville Talvalac4003962016-01-13 10:07:04 -08002127status_t CameraService::BasicClient::dump(int, const Vector<String16>&) {
2128 // No dumping of clients directly over Binder,
2129 // must go through CameraService::dump
2130 android_errorWriteWithInfoLog(SN_EVENT_LOG_ID, "26265403",
2131 IPCThreadState::self()->getCallingUid(), NULL, 0);
2132 return OK;
2133}
2134
Ruben Brunkcc776712015-02-17 20:18:47 -08002135String16 CameraService::BasicClient::getPackageName() const {
Svetoslav Ganov280405a2015-05-12 02:19:27 +00002136 return mClientPackageName;
Ruben Brunkcc776712015-02-17 20:18:47 -08002137}
2138
2139
2140int CameraService::BasicClient::getClientPid() const {
2141 return mClientPid;
2142}
2143
Ruben Brunk6267b532015-04-30 17:44:07 -07002144uid_t CameraService::BasicClient::getClientUid() const {
2145 return mClientUid;
2146}
2147
Ruben Brunk0bbf8b22015-04-30 14:35:42 -07002148bool CameraService::BasicClient::canCastToApiClient(apiLevel level) const {
2149 // Defaults to API2.
2150 return level == API_2;
2151}
2152
Eino-Ville Talvalaceb388d2013-02-19 10:40:14 -08002153status_t CameraService::BasicClient::startCameraOps() {
Eino-Ville Talvalaa84bbe62015-09-08 17:59:17 -07002154 ATRACE_CALL();
2155
Eino-Ville Talvalaceb388d2013-02-19 10:40:14 -08002156 int32_t res;
Eino-Ville Talvalaf67e23e2014-07-23 17:17:59 -07002157 // Notify app ops that the camera is not available
Eino-Ville Talvalaceb388d2013-02-19 10:40:14 -08002158 mOpsCallback = new OpsCallback(this);
2159
Igor Murashkine6800ce2013-03-04 17:25:57 -08002160 {
2161 ALOGV("%s: Start camera ops, package name = %s, client UID = %d",
Svetoslav Ganov280405a2015-05-12 02:19:27 +00002162 __FUNCTION__, String8(mClientPackageName).string(), mClientUid);
Igor Murashkine6800ce2013-03-04 17:25:57 -08002163 }
2164
Eino-Ville Talvalaceb388d2013-02-19 10:40:14 -08002165 mAppOpsManager.startWatchingMode(AppOpsManager::OP_CAMERA,
Svetoslav Ganov280405a2015-05-12 02:19:27 +00002166 mClientPackageName, mOpsCallback);
Eino-Ville Talvalaceb388d2013-02-19 10:40:14 -08002167 res = mAppOpsManager.startOp(AppOpsManager::OP_CAMERA,
Svetoslav Ganov280405a2015-05-12 02:19:27 +00002168 mClientUid, mClientPackageName);
Eino-Ville Talvalaceb388d2013-02-19 10:40:14 -08002169
Svetoslav28e8ef72015-05-11 19:21:31 -07002170 if (res == AppOpsManager::MODE_ERRORED) {
Eino-Ville Talvalaceb388d2013-02-19 10:40:14 -08002171 ALOGI("Camera %d: Access for \"%s\" has been revoked",
Svetoslav Ganov280405a2015-05-12 02:19:27 +00002172 mCameraId, String8(mClientPackageName).string());
Eino-Ville Talvalaceb388d2013-02-19 10:40:14 -08002173 return PERMISSION_DENIED;
2174 }
Eino-Ville Talvalaf67e23e2014-07-23 17:17:59 -07002175
Svetoslav28e8ef72015-05-11 19:21:31 -07002176 if (res == AppOpsManager::MODE_IGNORED) {
2177 ALOGI("Camera %d: Access for \"%s\" has been restricted",
2178 mCameraId, String8(mClientPackageName).string());
Eino-Ville Talvalae3afb2c2015-06-03 16:03:30 -07002179 // Return the same error as for device policy manager rejection
2180 return -EACCES;
Svetoslav28e8ef72015-05-11 19:21:31 -07002181 }
2182
Eino-Ville Talvalaceb388d2013-02-19 10:40:14 -08002183 mOpsActive = true;
Eino-Ville Talvalaf67e23e2014-07-23 17:17:59 -07002184
2185 // Transition device availability listeners from PRESENT -> NOT_AVAILABLE
2186 mCameraService->updateStatus(ICameraServiceListener::STATUS_NOT_AVAILABLE,
Ruben Brunkcc776712015-02-17 20:18:47 -08002187 String8::format("%d", mCameraId));
Eino-Ville Talvalaf67e23e2014-07-23 17:17:59 -07002188
Eino-Ville Talvala412fe562015-08-20 17:08:32 -07002189 // Transition device state to OPEN
2190 mCameraService->updateProxyDeviceState(ICameraServiceProxy::CAMERA_STATE_OPEN,
2191 String8::format("%d", mCameraId));
2192
Eino-Ville Talvalaceb388d2013-02-19 10:40:14 -08002193 return OK;
2194}
2195
2196status_t CameraService::BasicClient::finishCameraOps() {
Eino-Ville Talvalaa84bbe62015-09-08 17:59:17 -07002197 ATRACE_CALL();
2198
Eino-Ville Talvalaf67e23e2014-07-23 17:17:59 -07002199 // Check if startCameraOps succeeded, and if so, finish the camera op
Eino-Ville Talvalaceb388d2013-02-19 10:40:14 -08002200 if (mOpsActive) {
Eino-Ville Talvalaf67e23e2014-07-23 17:17:59 -07002201 // Notify app ops that the camera is available again
Eino-Ville Talvalaceb388d2013-02-19 10:40:14 -08002202 mAppOpsManager.finishOp(AppOpsManager::OP_CAMERA, mClientUid,
Svetoslav Ganov280405a2015-05-12 02:19:27 +00002203 mClientPackageName);
Eino-Ville Talvalaceb388d2013-02-19 10:40:14 -08002204 mOpsActive = false;
Eino-Ville Talvalaf67e23e2014-07-23 17:17:59 -07002205
Eino-Ville Talvalad56db1d2015-12-17 16:50:35 -08002206 std::initializer_list<int32_t> rejected = {ICameraServiceListener::STATUS_NOT_PRESENT,
Ruben Brunkcc776712015-02-17 20:18:47 -08002207 ICameraServiceListener::STATUS_ENUMERATING};
Eino-Ville Talvalaf67e23e2014-07-23 17:17:59 -07002208
Ruben Brunkcc776712015-02-17 20:18:47 -08002209 // Transition to PRESENT if the camera is not in either of the rejected states
Eino-Ville Talvalaf67e23e2014-07-23 17:17:59 -07002210 mCameraService->updateStatus(ICameraServiceListener::STATUS_PRESENT,
Ruben Brunkcc776712015-02-17 20:18:47 -08002211 String8::format("%d", mCameraId), rejected);
Eino-Ville Talvalaf67e23e2014-07-23 17:17:59 -07002212
Eino-Ville Talvala412fe562015-08-20 17:08:32 -07002213 // Transition device state to CLOSED
2214 mCameraService->updateProxyDeviceState(ICameraServiceProxy::CAMERA_STATE_CLOSED,
2215 String8::format("%d", mCameraId));
2216
Chien-Yu Chen88da5262015-02-17 13:56:46 -08002217 // Notify flashlight that a camera device is closed.
2218 mCameraService->mFlashlight->deviceClosed(
2219 String8::format("%d", mCameraId));
Eino-Ville Talvalaceb388d2013-02-19 10:40:14 -08002220 }
Eino-Ville Talvalaf67e23e2014-07-23 17:17:59 -07002221 // Always stop watching, even if no camera op is active
Eino-Ville Talvalae992e752014-11-07 16:17:48 -08002222 if (mOpsCallback != NULL) {
2223 mAppOpsManager.stopWatchingMode(mOpsCallback);
2224 }
Eino-Ville Talvalaceb388d2013-02-19 10:40:14 -08002225 mOpsCallback.clear();
2226
2227 return OK;
2228}
2229
2230void CameraService::BasicClient::opChanged(int32_t op, const String16& packageName) {
Eino-Ville Talvalaa84bbe62015-09-08 17:59:17 -07002231 ATRACE_CALL();
2232
Eino-Ville Talvalaceb388d2013-02-19 10:40:14 -08002233 String8 name(packageName);
Svetoslav Ganov280405a2015-05-12 02:19:27 +00002234 String8 myName(mClientPackageName);
Eino-Ville Talvalaceb388d2013-02-19 10:40:14 -08002235
2236 if (op != AppOpsManager::OP_CAMERA) {
2237 ALOGW("Unexpected app ops notification received: %d", op);
2238 return;
2239 }
2240
2241 int32_t res;
2242 res = mAppOpsManager.checkOp(AppOpsManager::OP_CAMERA,
Svetoslav Ganov280405a2015-05-12 02:19:27 +00002243 mClientUid, mClientPackageName);
Eino-Ville Talvalaceb388d2013-02-19 10:40:14 -08002244 ALOGV("checkOp returns: %d, %s ", res,
2245 res == AppOpsManager::MODE_ALLOWED ? "ALLOWED" :
2246 res == AppOpsManager::MODE_IGNORED ? "IGNORED" :
2247 res == AppOpsManager::MODE_ERRORED ? "ERRORED" :
2248 "UNKNOWN");
2249
2250 if (res != AppOpsManager::MODE_ALLOWED) {
2251 ALOGI("Camera %d: Access for \"%s\" revoked", mCameraId,
2252 myName.string());
2253 // Reset the client PID to allow server-initiated disconnect,
2254 // and to prevent further calls by client.
2255 mClientPid = getCallingPid();
Jianing Weicb0652e2014-03-12 18:29:36 -07002256 CaptureResultExtras resultExtras; // a dummy result (invalid)
Eino-Ville Talvalad56db1d2015-12-17 16:50:35 -08002257 notifyError(hardware::camera2::ICameraDeviceCallbacks::ERROR_CAMERA_SERVICE, resultExtras);
Eino-Ville Talvalaceb388d2013-02-19 10:40:14 -08002258 disconnect();
2259 }
2260}
2261
Mathias Agopian65ab4712010-07-14 17:59:35 -07002262// ----------------------------------------------------------------------------
2263
Ruben Brunkcc776712015-02-17 20:18:47 -08002264// Provide client strong pointer for callbacks.
2265sp<CameraService::Client> CameraService::Client::getClientFromCookie(void* user) {
2266 String8 cameraId = String8::format("%d", (int)(intptr_t) user);
2267 auto clientDescriptor = gCameraService->mActiveClientManager.get(cameraId);
2268 if (clientDescriptor != nullptr) {
2269 return sp<Client>{
2270 static_cast<Client*>(clientDescriptor->getValue().get())};
2271 }
2272 return sp<Client>{nullptr};
Mathias Agopian65ab4712010-07-14 17:59:35 -07002273}
2274
Eino-Ville Talvalad56db1d2015-12-17 16:50:35 -08002275void CameraService::Client::notifyError(int32_t errorCode,
Jianing Weicb0652e2014-03-12 18:29:36 -07002276 const CaptureResultExtras& resultExtras) {
Eino-Ville Talvalad309fb92015-11-25 12:12:45 -08002277 (void) errorCode;
2278 (void) resultExtras;
Ranjith Kagathi Ananda3e600892015-10-08 16:00:33 -07002279 if (mRemoteCallback != NULL) {
2280 mRemoteCallback->notifyCallback(CAMERA_MSG_ERROR, CAMERA_ERROR_RELEASED, 0);
2281 } else {
2282 ALOGE("mRemoteCallback is NULL!!");
2283 }
Eino-Ville Talvalaceb388d2013-02-19 10:40:14 -08002284}
2285
Igor Murashkin036bc3e2012-10-08 15:09:46 -07002286// NOTE: function is idempotent
Eino-Ville Talvalad56db1d2015-12-17 16:50:35 -08002287binder::Status CameraService::Client::disconnect() {
Eino-Ville Talvalad09801b2013-04-23 15:16:57 -07002288 ALOGV("Client::disconnect");
Eino-Ville Talvalad56db1d2015-12-17 16:50:35 -08002289 return BasicClient::disconnect();
Wu-cheng Lie09591e2010-10-14 20:17:44 +08002290}
2291
Ruben Brunk0bbf8b22015-04-30 14:35:42 -07002292bool CameraService::Client::canCastToApiClient(apiLevel level) const {
2293 return level == API_1;
2294}
2295
Eino-Ville Talvalaceb388d2013-02-19 10:40:14 -08002296CameraService::Client::OpsCallback::OpsCallback(wp<BasicClient> client):
2297 mClient(client) {
2298}
2299
2300void CameraService::Client::OpsCallback::opChanged(int32_t op,
2301 const String16& packageName) {
2302 sp<BasicClient> client = mClient.promote();
2303 if (client != NULL) {
2304 client->opChanged(op, packageName);
2305 }
2306}
2307
Mathias Agopian65ab4712010-07-14 17:59:35 -07002308// ----------------------------------------------------------------------------
Ruben Brunkcc776712015-02-17 20:18:47 -08002309// CameraState
2310// ----------------------------------------------------------------------------
2311
2312CameraService::CameraState::CameraState(const String8& id, int cost,
2313 const std::set<String8>& conflicting) : mId(id),
2314 mStatus(ICameraServiceListener::STATUS_PRESENT), mCost(cost), mConflicting(conflicting) {}
2315
2316CameraService::CameraState::~CameraState() {}
2317
Eino-Ville Talvalad56db1d2015-12-17 16:50:35 -08002318int32_t CameraService::CameraState::getStatus() const {
Ruben Brunkcc776712015-02-17 20:18:47 -08002319 Mutex::Autolock lock(mStatusLock);
2320 return mStatus;
2321}
2322
2323CameraParameters CameraService::CameraState::getShimParams() const {
2324 return mShimParams;
2325}
2326
2327void CameraService::CameraState::setShimParams(const CameraParameters& params) {
2328 mShimParams = params;
2329}
2330
2331int CameraService::CameraState::getCost() const {
2332 return mCost;
2333}
2334
2335std::set<String8> CameraService::CameraState::getConflicting() const {
2336 return mConflicting;
2337}
2338
2339String8 CameraService::CameraState::getId() const {
2340 return mId;
2341}
2342
2343// ----------------------------------------------------------------------------
Ruben Brunk99e69712015-05-26 17:25:07 -07002344// ClientEventListener
2345// ----------------------------------------------------------------------------
2346
2347void CameraService::ClientEventListener::onClientAdded(
2348 const resource_policy::ClientDescriptor<String8,
2349 sp<CameraService::BasicClient>>& descriptor) {
2350 auto basicClient = descriptor.getValue();
2351 if (basicClient.get() != nullptr) {
2352 BatteryNotifier& notifier(BatteryNotifier::getInstance());
2353 notifier.noteStartCamera(descriptor.getKey(),
2354 static_cast<int>(basicClient->getClientUid()));
2355 }
2356}
2357
2358void CameraService::ClientEventListener::onClientRemoved(
2359 const resource_policy::ClientDescriptor<String8,
2360 sp<CameraService::BasicClient>>& descriptor) {
2361 auto basicClient = descriptor.getValue();
2362 if (basicClient.get() != nullptr) {
2363 BatteryNotifier& notifier(BatteryNotifier::getInstance());
2364 notifier.noteStopCamera(descriptor.getKey(),
2365 static_cast<int>(basicClient->getClientUid()));
2366 }
2367}
2368
2369
2370// ----------------------------------------------------------------------------
Ruben Brunkcc776712015-02-17 20:18:47 -08002371// CameraClientManager
2372// ----------------------------------------------------------------------------
2373
Ruben Brunk99e69712015-05-26 17:25:07 -07002374CameraService::CameraClientManager::CameraClientManager() {
2375 setListener(std::make_shared<ClientEventListener>());
2376}
2377
Ruben Brunkcc776712015-02-17 20:18:47 -08002378CameraService::CameraClientManager::~CameraClientManager() {}
2379
2380sp<CameraService::BasicClient> CameraService::CameraClientManager::getCameraClient(
2381 const String8& id) const {
2382 auto descriptor = get(id);
2383 if (descriptor == nullptr) {
2384 return sp<BasicClient>{nullptr};
2385 }
2386 return descriptor->getValue();
2387}
2388
2389String8 CameraService::CameraClientManager::toString() const {
2390 auto all = getAll();
2391 String8 ret("[");
2392 bool hasAny = false;
2393 for (auto& i : all) {
2394 hasAny = true;
2395 String8 key = i->getKey();
2396 int32_t cost = i->getCost();
2397 int32_t pid = i->getOwnerId();
2398 int32_t priority = i->getPriority();
2399 auto conflicting = i->getConflicting();
2400 auto clientSp = i->getValue();
2401 String8 packageName;
Eino-Ville Talvala022f0cb2015-05-19 16:31:16 -07002402 userid_t clientUserId = 0;
Ruben Brunkcc776712015-02-17 20:18:47 -08002403 if (clientSp.get() != nullptr) {
2404 packageName = String8{clientSp->getPackageName()};
Ruben Brunk6267b532015-04-30 17:44:07 -07002405 uid_t clientUid = clientSp->getClientUid();
2406 clientUserId = multiuser_get_user_id(clientUid);
Ruben Brunkcc776712015-02-17 20:18:47 -08002407 }
2408 ret.appendFormat("\n(Camera ID: %s, Cost: %" PRId32 ", PID: %" PRId32 ", Priority: %"
2409 PRId32 ", ", key.string(), cost, pid, priority);
2410
Ruben Brunk6267b532015-04-30 17:44:07 -07002411 if (clientSp.get() != nullptr) {
2412 ret.appendFormat("User Id: %d, ", clientUserId);
2413 }
Ruben Brunkcc776712015-02-17 20:18:47 -08002414 if (packageName.size() != 0) {
2415 ret.appendFormat("Client Package Name: %s", packageName.string());
2416 }
2417
2418 ret.append(", Conflicting Client Devices: {");
2419 for (auto& j : conflicting) {
2420 ret.appendFormat("%s, ", j.string());
2421 }
2422 ret.append("})");
2423 }
2424 if (hasAny) ret.append("\n");
2425 ret.append("]\n");
2426 return ret;
2427}
2428
2429CameraService::DescriptorPtr CameraService::CameraClientManager::makeClientDescriptor(
2430 const String8& key, const sp<BasicClient>& value, int32_t cost,
2431 const std::set<String8>& conflictingKeys, int32_t priority, int32_t ownerId) {
2432
2433 return std::make_shared<resource_policy::ClientDescriptor<String8, sp<BasicClient>>>(
2434 key, value, cost, conflictingKeys, priority, ownerId);
2435}
2436
2437CameraService::DescriptorPtr CameraService::CameraClientManager::makeClientDescriptor(
2438 const sp<BasicClient>& value, const CameraService::DescriptorPtr& partial) {
2439 return makeClientDescriptor(partial->getKey(), value, partial->getCost(),
2440 partial->getConflicting(), partial->getPriority(), partial->getOwnerId());
2441}
2442
2443// ----------------------------------------------------------------------------
Mathias Agopian65ab4712010-07-14 17:59:35 -07002444
2445static const int kDumpLockRetries = 50;
2446static const int kDumpLockSleep = 60000;
2447
2448static bool tryLock(Mutex& mutex)
2449{
2450 bool locked = false;
2451 for (int i = 0; i < kDumpLockRetries; ++i) {
2452 if (mutex.tryLock() == NO_ERROR) {
2453 locked = true;
2454 break;
2455 }
2456 usleep(kDumpLockSleep);
2457 }
2458 return locked;
2459}
2460
2461status_t CameraService::dump(int fd, const Vector<String16>& args) {
Eino-Ville Talvalaa84bbe62015-09-08 17:59:17 -07002462 ATRACE_CALL();
2463
Ruben Brunka8ca9152015-04-07 14:23:40 -07002464 String8 result("Dump of the Camera Service:\n");
Mathias Agopian65ab4712010-07-14 17:59:35 -07002465 if (checkCallingPermission(String16("android.permission.DUMP")) == false) {
dcashmanfefa6142015-09-09 13:43:01 -07002466 result = result.format("Permission Denial: "
Mathias Agopian65ab4712010-07-14 17:59:35 -07002467 "can't dump CameraService from pid=%d, uid=%d\n",
2468 getCallingPid(),
2469 getCallingUid());
Mathias Agopian65ab4712010-07-14 17:59:35 -07002470 write(fd, result.string(), result.size());
2471 } else {
2472 bool locked = tryLock(mServiceLock);
2473 // failed to lock - CameraService is probably deadlocked
2474 if (!locked) {
Eino-Ville Talvala611f6192012-05-31 12:28:23 -07002475 result.append("CameraService may be deadlocked\n");
Eino-Ville Talvalaf5926132012-07-17 13:54:20 -07002476 write(fd, result.string(), result.size());
Mathias Agopian65ab4712010-07-14 17:59:35 -07002477 }
2478
2479 bool hasClient = false;
Eino-Ville Talvalaf5926132012-07-17 13:54:20 -07002480 if (!mModule) {
2481 result = String8::format("No camera module available!\n");
2482 write(fd, result.string(), result.size());
Eino-Ville Talvala1527f072015-04-07 15:55:31 -07002483
2484 // Dump event log for error information
2485 dumpEventLog(fd);
2486
Kalle Lampila6ec3a152013-04-30 15:27:19 +03002487 if (locked) mServiceLock.unlock();
Eino-Ville Talvalaf5926132012-07-17 13:54:20 -07002488 return NO_ERROR;
2489 }
2490
Chien-Yu Chen676b21b2015-02-24 10:28:19 -08002491 result = String8::format("Camera module HAL API version: 0x%x\n", mModule->getHalApiVersion());
2492 result.appendFormat("Camera module API version: 0x%x\n", mModule->getModuleApiVersion());
2493 result.appendFormat("Camera module name: %s\n", mModule->getModuleName());
2494 result.appendFormat("Camera module author: %s\n", mModule->getModuleAuthor());
Ruben Brunkcc776712015-02-17 20:18:47 -08002495 result.appendFormat("Number of camera devices: %d\n", mNumberOfCameras);
Eino-Ville Talvala49c97052016-01-12 14:29:40 -08002496 result.appendFormat("Number of normal camera devices: %d\n", mNumberOfNormalCameras);
Ruben Brunkcc776712015-02-17 20:18:47 -08002497 String8 activeClientString = mActiveClientManager.toString();
2498 result.appendFormat("Active Camera Clients:\n%s", activeClientString.string());
Ruben Brunk6267b532015-04-30 17:44:07 -07002499 result.appendFormat("Allowed users:\n%s\n", toString(mAllowedUsers).string());
Ruben Brunkcc776712015-02-17 20:18:47 -08002500
Ruben Brunkf81648e2014-04-17 16:14:57 -07002501 sp<VendorTagDescriptor> desc = VendorTagDescriptor::getGlobalVendorTagDescriptor();
2502 if (desc == NULL) {
2503 result.appendFormat("Vendor tags left unimplemented.\n");
2504 } else {
2505 result.appendFormat("Vendor tag definitions:\n");
2506 }
2507
Eino-Ville Talvalaf5926132012-07-17 13:54:20 -07002508 write(fd, result.string(), result.size());
Ruben Brunkf81648e2014-04-17 16:14:57 -07002509
2510 if (desc != NULL) {
2511 desc->dump(fd, /*verbosity*/2, /*indentation*/4);
2512 }
2513
Eino-Ville Talvala1527f072015-04-07 15:55:31 -07002514 dumpEventLog(fd);
Ruben Brunkcc776712015-02-17 20:18:47 -08002515
2516 bool stateLocked = tryLock(mCameraStatesLock);
2517 if (!stateLocked) {
2518 result = String8::format("CameraStates in use, may be deadlocked\n");
2519 write(fd, result.string(), result.size());
2520 }
2521
2522 for (auto& state : mCameraStates) {
2523 String8 cameraId = state.first;
2524 result = String8::format("Camera %s information:\n", cameraId.string());
Eino-Ville Talvalaf5926132012-07-17 13:54:20 -07002525 camera_info info;
2526
Ruben Brunkcc776712015-02-17 20:18:47 -08002527 // TODO: Change getCameraInfo + HAL to use String cameraIds
2528 status_t rc = mModule->getCameraInfo(cameraIdToInt(cameraId), &info);
Eino-Ville Talvalaf5926132012-07-17 13:54:20 -07002529 if (rc != OK) {
2530 result.appendFormat(" Error reading static information!\n");
2531 write(fd, result.string(), result.size());
2532 } else {
2533 result.appendFormat(" Facing: %s\n",
2534 info.facing == CAMERA_FACING_BACK ? "BACK" : "FRONT");
2535 result.appendFormat(" Orientation: %d\n", info.orientation);
2536 int deviceVersion;
Chien-Yu Chen676b21b2015-02-24 10:28:19 -08002537 if (mModule->getModuleApiVersion() < CAMERA_MODULE_API_VERSION_2_0) {
Eino-Ville Talvalaf5926132012-07-17 13:54:20 -07002538 deviceVersion = CAMERA_DEVICE_API_VERSION_1_0;
2539 } else {
2540 deviceVersion = info.device_version;
2541 }
Ruben Brunkcc776712015-02-17 20:18:47 -08002542
2543 auto conflicting = state.second->getConflicting();
2544 result.appendFormat(" Resource Cost: %d\n", state.second->getCost());
2545 result.appendFormat(" Conflicting Devices:");
2546 for (auto& id : conflicting) {
Eino-Ville Talvalad309fb92015-11-25 12:12:45 -08002547 result.appendFormat(" %s", id.string());
Ruben Brunkcc776712015-02-17 20:18:47 -08002548 }
2549 if (conflicting.size() == 0) {
2550 result.appendFormat(" NONE");
2551 }
2552 result.appendFormat("\n");
2553
2554 result.appendFormat(" Device version: %#x\n", deviceVersion);
Eino-Ville Talvalad309fb92015-11-25 12:12:45 -08002555 if (deviceVersion >= CAMERA_DEVICE_API_VERSION_3_0) {
Eino-Ville Talvalaf5926132012-07-17 13:54:20 -07002556 result.appendFormat(" Device static metadata:\n");
2557 write(fd, result.string(), result.size());
Eino-Ville Talvala428b77a2012-07-30 09:55:30 -07002558 dump_indented_camera_metadata(info.static_camera_characteristics,
Ruben Brunkf81648e2014-04-17 16:14:57 -07002559 fd, /*verbosity*/2, /*indentation*/4);
Eino-Ville Talvalaf5926132012-07-17 13:54:20 -07002560 } else {
2561 write(fd, result.string(), result.size());
2562 }
Ruben Brunkcc776712015-02-17 20:18:47 -08002563
2564 CameraParameters p = state.second->getShimParams();
2565 if (!p.isEmpty()) {
2566 result = String8::format(" Camera1 API shim is using parameters:\n ");
2567 write(fd, result.string(), result.size());
2568 p.dump(fd, args);
2569 }
Eino-Ville Talvalaf5926132012-07-17 13:54:20 -07002570 }
2571
Ruben Brunkcc776712015-02-17 20:18:47 -08002572 auto clientDescriptor = mActiveClientManager.get(cameraId);
2573 if (clientDescriptor == nullptr) {
2574 result = String8::format(" Device %s is closed, no client instance\n",
2575 cameraId.string());
Eino-Ville Talvalaf5926132012-07-17 13:54:20 -07002576 write(fd, result.string(), result.size());
2577 continue;
2578 }
Mathias Agopian65ab4712010-07-14 17:59:35 -07002579 hasClient = true;
Ruben Brunkcc776712015-02-17 20:18:47 -08002580 result = String8::format(" Device %s is open. Client instance dump:\n\n",
2581 cameraId.string());
2582 result.appendFormat("Client priority level: %d\n", clientDescriptor->getPriority());
2583 result.appendFormat("Client PID: %d\n", clientDescriptor->getOwnerId());
2584
2585 auto client = clientDescriptor->getValue();
2586 result.appendFormat("Client package: %s\n",
2587 String8(client->getPackageName()).string());
Eino-Ville Talvalaf5926132012-07-17 13:54:20 -07002588 write(fd, result.string(), result.size());
Ruben Brunkcc776712015-02-17 20:18:47 -08002589
Eino-Ville Talvalac4003962016-01-13 10:07:04 -08002590 client->dumpClient(fd, args);
Mathias Agopian65ab4712010-07-14 17:59:35 -07002591 }
Ruben Brunkcc776712015-02-17 20:18:47 -08002592
2593 if (stateLocked) mCameraStatesLock.unlock();
2594
Mathias Agopian65ab4712010-07-14 17:59:35 -07002595 if (!hasClient) {
Eino-Ville Talvalaf5926132012-07-17 13:54:20 -07002596 result = String8::format("\nNo active camera clients yet.\n");
2597 write(fd, result.string(), result.size());
Mathias Agopian65ab4712010-07-14 17:59:35 -07002598 }
2599
2600 if (locked) mServiceLock.unlock();
2601
Igor Murashkinff3e31d2013-10-23 16:40:06 -07002602 // Dump camera traces if there were any
2603 write(fd, "\n", 1);
2604 camera3::CameraTraces::dump(fd, args);
2605
Mathias Agopian65ab4712010-07-14 17:59:35 -07002606 // change logging level
2607 int n = args.size();
2608 for (int i = 0; i + 1 < n; i++) {
Eino-Ville Talvala611f6192012-05-31 12:28:23 -07002609 String16 verboseOption("-v");
2610 if (args[i] == verboseOption) {
Mathias Agopian65ab4712010-07-14 17:59:35 -07002611 String8 levelStr(args[i+1]);
2612 int level = atoi(levelStr.string());
Eino-Ville Talvalaf5926132012-07-17 13:54:20 -07002613 result = String8::format("\nSetting log level to %d.\n", level);
Mathias Agopian65ab4712010-07-14 17:59:35 -07002614 setLogLevel(level);
Eino-Ville Talvalaf5926132012-07-17 13:54:20 -07002615 write(fd, result.string(), result.size());
Mathias Agopian65ab4712010-07-14 17:59:35 -07002616 }
2617 }
2618 }
2619 return NO_ERROR;
2620}
2621
Eino-Ville Talvala1527f072015-04-07 15:55:31 -07002622void CameraService::dumpEventLog(int fd) {
2623 String8 result = String8("\nPrior client events (most recent at top):\n");
2624
2625 Mutex::Autolock l(mLogLock);
2626 for (const auto& msg : mEventLog) {
2627 result.appendFormat(" %s\n", msg.string());
2628 }
2629
2630 if (mEventLog.size() == DEFAULT_EVENT_LOG_LENGTH) {
2631 result.append(" ...\n");
2632 } else if (mEventLog.size() == 0) {
2633 result.append(" [no events yet]\n");
2634 }
2635 result.append("\n");
2636
2637 write(fd, result.string(), result.size());
2638}
2639
Chien-Yu Chen3068d732015-02-09 13:29:57 -08002640void CameraService::handleTorchClientBinderDied(const wp<IBinder> &who) {
Chien-Yu Chen88da5262015-02-17 13:56:46 -08002641 Mutex::Autolock al(mTorchClientMapMutex);
Chien-Yu Chen3068d732015-02-09 13:29:57 -08002642 for (size_t i = 0; i < mTorchClientMap.size(); i++) {
2643 if (mTorchClientMap[i] == who) {
2644 // turn off the torch mode that was turned on by dead client
Chien-Yu Chen88da5262015-02-17 13:56:46 -08002645 String8 cameraId = mTorchClientMap.keyAt(i);
2646 status_t res = mFlashlight->setTorchMode(cameraId, false);
2647 if (res) {
2648 ALOGE("%s: torch client died but couldn't turn off torch: "
2649 "%s (%d)", __FUNCTION__, strerror(-res), res);
2650 return;
2651 }
Chien-Yu Chen3068d732015-02-09 13:29:57 -08002652 mTorchClientMap.removeItemsAt(i);
Chien-Yu Chen3068d732015-02-09 13:29:57 -08002653 break;
2654 }
2655 }
2656}
2657
Ruben Brunkcc776712015-02-17 20:18:47 -08002658/*virtual*/void CameraService::binderDied(const wp<IBinder> &who) {
Igor Murashkinecf17e82012-10-02 16:05:11 -07002659
Igor Murashkin294d0ec2012-10-05 10:44:57 -07002660 /**
Ruben Brunka8ca9152015-04-07 14:23:40 -07002661 * While tempting to promote the wp<IBinder> into a sp, it's actually not supported by the
2662 * binder driver
Igor Murashkin294d0ec2012-10-05 10:44:57 -07002663 */
2664
Ruben Brunka8ca9152015-04-07 14:23:40 -07002665 logClientDied(getCallingPid(), String8("Binder died unexpectedly"));
2666
Chien-Yu Chen3068d732015-02-09 13:29:57 -08002667 // check torch client
2668 handleTorchClientBinderDied(who);
2669
2670 // check camera device client
Ruben Brunkcc776712015-02-17 20:18:47 -08002671 if(!evictClientIdByRemote(who)) {
2672 ALOGV("%s: Java client's binder death already cleaned up (normal case)", __FUNCTION__);
Igor Murashkinecf17e82012-10-02 16:05:11 -07002673 return;
2674 }
2675
Ruben Brunkcc776712015-02-17 20:18:47 -08002676 ALOGE("%s: Java client's binder died, removing it from the list of active clients",
2677 __FUNCTION__);
Igor Murashkinecf17e82012-10-02 16:05:11 -07002678}
2679
Eino-Ville Talvalad56db1d2015-12-17 16:50:35 -08002680void CameraService::updateStatus(int32_t status, const String8& cameraId) {
Ruben Brunkcc776712015-02-17 20:18:47 -08002681 updateStatus(status, cameraId, {});
Igor Murashkinbfc99152013-02-27 12:55:20 -08002682}
2683
Eino-Ville Talvalad56db1d2015-12-17 16:50:35 -08002684void CameraService::updateStatus(int32_t status, const String8& cameraId,
2685 std::initializer_list<int32_t> rejectSourceStates) {
Ruben Brunkcc776712015-02-17 20:18:47 -08002686 // Do not lock mServiceLock here or can get into a deadlock from
2687 // connect() -> disconnect -> updateStatus
2688
2689 auto state = getCameraState(cameraId);
2690
2691 if (state == nullptr) {
2692 ALOGW("%s: Could not update the status for %s, no such device exists", __FUNCTION__,
2693 cameraId.string());
2694 return;
Igor Murashkincba2c162013-03-20 15:56:31 -07002695 }
2696
Ruben Brunkcc776712015-02-17 20:18:47 -08002697 // Update the status for this camera state, then send the onStatusChangedCallbacks to each
2698 // of the listeners with both the mStatusStatus and mStatusListenerLock held
2699 state->updateStatus(status, cameraId, rejectSourceStates, [this]
Eino-Ville Talvalad56db1d2015-12-17 16:50:35 -08002700 (const String8& cameraId, int32_t status) {
Ruben Brunkcc776712015-02-17 20:18:47 -08002701
Chien-Yu Chenf6463fc2015-04-07 15:11:31 -07002702 if (status != ICameraServiceListener::STATUS_ENUMERATING) {
2703 // Update torch status if it has a flash unit.
2704 Mutex::Autolock al(mTorchStatusMutex);
Eino-Ville Talvalad56db1d2015-12-17 16:50:35 -08002705 int32_t torchStatus;
Chien-Yu Chenf6463fc2015-04-07 15:11:31 -07002706 if (getTorchStatusLocked(cameraId, &torchStatus) !=
2707 NAME_NOT_FOUND) {
Eino-Ville Talvalad56db1d2015-12-17 16:50:35 -08002708 int32_t newTorchStatus =
Chien-Yu Chenf6463fc2015-04-07 15:11:31 -07002709 status == ICameraServiceListener::STATUS_PRESENT ?
2710 ICameraServiceListener::TORCH_STATUS_AVAILABLE_OFF :
2711 ICameraServiceListener::TORCH_STATUS_NOT_AVAILABLE;
2712 if (torchStatus != newTorchStatus) {
2713 onTorchStatusChangedLocked(cameraId, newTorchStatus);
2714 }
2715 }
Ruben Brunkcc776712015-02-17 20:18:47 -08002716 }
2717
2718 Mutex::Autolock lock(mStatusListenerLock);
2719
2720 for (auto& listener : mListenerList) {
2721 // TODO: Refactor status listeners to use strings for Camera IDs and remove this.
2722 int id = cameraIdToInt(cameraId);
2723 if (id != -1) listener->onStatusChanged(status, id);
2724 }
2725 });
Igor Murashkincba2c162013-03-20 15:56:31 -07002726}
2727
Eino-Ville Talvala412fe562015-08-20 17:08:32 -07002728void CameraService::updateProxyDeviceState(ICameraServiceProxy::CameraState newState,
2729 const String8& cameraId) {
2730 sp<ICameraServiceProxy> proxyBinder = getCameraServiceProxy();
2731 if (proxyBinder == nullptr) return;
2732 String16 id(cameraId);
2733 proxyBinder->notifyCameraState(id, newState);
2734}
2735
Chien-Yu Chen88da5262015-02-17 13:56:46 -08002736status_t CameraService::getTorchStatusLocked(
2737 const String8& cameraId,
Eino-Ville Talvalad56db1d2015-12-17 16:50:35 -08002738 int32_t *status) const {
Chien-Yu Chen88da5262015-02-17 13:56:46 -08002739 if (!status) {
2740 return BAD_VALUE;
2741 }
Chien-Yu Chen3068d732015-02-09 13:29:57 -08002742 ssize_t index = mTorchStatusMap.indexOfKey(cameraId);
2743 if (index == NAME_NOT_FOUND) {
Chien-Yu Chen88da5262015-02-17 13:56:46 -08002744 // invalid camera ID or the camera doesn't have a flash unit
2745 return NAME_NOT_FOUND;
Chien-Yu Chen3068d732015-02-09 13:29:57 -08002746 }
2747
Chien-Yu Chen88da5262015-02-17 13:56:46 -08002748 *status = mTorchStatusMap.valueAt(index);
2749 return OK;
Chien-Yu Chen3068d732015-02-09 13:29:57 -08002750}
2751
Chien-Yu Chen88da5262015-02-17 13:56:46 -08002752status_t CameraService::setTorchStatusLocked(const String8& cameraId,
Eino-Ville Talvalad56db1d2015-12-17 16:50:35 -08002753 int32_t status) {
Chien-Yu Chen3068d732015-02-09 13:29:57 -08002754 ssize_t index = mTorchStatusMap.indexOfKey(cameraId);
2755 if (index == NAME_NOT_FOUND) {
2756 return BAD_VALUE;
2757 }
Eino-Ville Talvalad56db1d2015-12-17 16:50:35 -08002758 int32_t& item =
Chien-Yu Chen3068d732015-02-09 13:29:57 -08002759 mTorchStatusMap.editValueAt(index);
2760 item = status;
2761
2762 return OK;
2763}
2764
Mathias Agopian65ab4712010-07-14 17:59:35 -07002765}; // namespace android