DrmManagerClientImpl.cpp revision e943f84129326ab885cc7a69dcfa17f766b72b89
1/* 2 * Copyright (C) 2010 The Android Open Source Project 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); 5 * you may not use this file except in compliance with the License. 6 * You may obtain a copy of the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License. 15 */ 16 17//#define LOG_NDEBUG 0 18#define LOG_TAG "DrmManagerClientImpl(Native)" 19#include <utils/Log.h> 20 21#include <utils/String8.h> 22#include <utils/Vector.h> 23#include <binder/IServiceManager.h> 24 25#include "DrmManagerClientImpl.h" 26 27using namespace android; 28 29#define INVALID_VALUE -1 30 31Mutex DrmManagerClientImpl::mMutex; 32sp<IDrmManagerService> DrmManagerClientImpl::mDrmManagerService; 33const String8 DrmManagerClientImpl::EMPTY_STRING(""); 34 35DrmManagerClientImpl* DrmManagerClientImpl::create(int* pUniqueId) { 36 if (0 == *pUniqueId) { 37 int uniqueId = getDrmManagerService()->addUniqueId(*pUniqueId); 38 *pUniqueId = uniqueId; 39 } else { 40 getDrmManagerService()->addUniqueId(*pUniqueId); 41 } 42 return new DrmManagerClientImpl(); 43} 44 45void DrmManagerClientImpl::remove(int uniqueId) { 46 getDrmManagerService()->removeUniqueId(uniqueId); 47} 48 49const sp<IDrmManagerService>& DrmManagerClientImpl::getDrmManagerService() { 50 mMutex.lock(); 51 if (NULL == mDrmManagerService.get()) { 52 sp<IServiceManager> sm = defaultServiceManager(); 53 sp<IBinder> binder; 54 do { 55 binder = sm->getService(String16("drm.drmManager")); 56 if (binder != 0) { 57 break; 58 } 59 LOGW("DrmManagerService not published, waiting..."); 60 struct timespec reqt; 61 reqt.tv_sec = 0; 62 reqt.tv_nsec = 500000000; //0.5 sec 63 nanosleep(&reqt, NULL); 64 } while (true); 65 66 mDrmManagerService = interface_cast<IDrmManagerService>(binder); 67 } 68 mMutex.unlock(); 69 return mDrmManagerService; 70} 71 72void DrmManagerClientImpl::addClient(int uniqueId) { 73 getDrmManagerService()->addClient(uniqueId); 74} 75 76void DrmManagerClientImpl::removeClient(int uniqueId) { 77 getDrmManagerService()->removeClient(uniqueId); 78} 79 80status_t DrmManagerClientImpl::setOnInfoListener( 81 int uniqueId, const sp<DrmManagerClient::OnInfoListener>& infoListener) { 82 Mutex::Autolock _l(mLock); 83 mOnInfoListener = infoListener; 84 return getDrmManagerService()->setDrmServiceListener(uniqueId, this); 85} 86 87status_t DrmManagerClientImpl::installDrmEngine(int uniqueId, const String8& drmEngineFile) { 88 status_t status = DRM_ERROR_UNKNOWN; 89 if (EMPTY_STRING != drmEngineFile) { 90 status = getDrmManagerService()->installDrmEngine(uniqueId, drmEngineFile); 91 } 92 return status; 93} 94 95DrmConstraints* DrmManagerClientImpl::getConstraints( 96 int uniqueId, const String8* path, const int action) { 97 DrmConstraints *drmConstraints = NULL; 98 if ((NULL != path) && (EMPTY_STRING != *path)) { 99 drmConstraints = getDrmManagerService()->getConstraints(uniqueId, path, action); 100 } 101 return drmConstraints; 102} 103 104bool DrmManagerClientImpl::canHandle(int uniqueId, const String8& path, const String8& mimeType) { 105 bool retCode = false; 106 if ((EMPTY_STRING != path) || (EMPTY_STRING != mimeType)) { 107 retCode = getDrmManagerService()->canHandle(uniqueId, path, mimeType); 108 } 109 return retCode; 110} 111 112DrmInfoStatus* DrmManagerClientImpl::processDrmInfo(int uniqueId, const DrmInfo* drmInfo) { 113 DrmInfoStatus *drmInfoStatus = NULL; 114 if (NULL != drmInfo) { 115 drmInfoStatus = getDrmManagerService()->processDrmInfo(uniqueId, drmInfo); 116 } 117 return drmInfoStatus; 118} 119 120DrmInfo* DrmManagerClientImpl::acquireDrmInfo(int uniqueId, const DrmInfoRequest* drmInfoRequest) { 121 DrmInfo* drmInfo = NULL; 122 if (NULL != drmInfoRequest) { 123 drmInfo = getDrmManagerService()->acquireDrmInfo(uniqueId, drmInfoRequest); 124 } 125 return drmInfo; 126} 127 128status_t DrmManagerClientImpl::saveRights(int uniqueId, const DrmRights& drmRights, 129 const String8& rightsPath, const String8& contentPath) { 130 status_t status = DRM_ERROR_UNKNOWN; 131 if (EMPTY_STRING != contentPath) { 132 status = getDrmManagerService()->saveRights(uniqueId, drmRights, rightsPath, contentPath); 133 } 134 return status; 135} 136 137String8 DrmManagerClientImpl::getOriginalMimeType(int uniqueId, const String8& path) { 138 String8 mimeType = EMPTY_STRING; 139 if (EMPTY_STRING != path) { 140 mimeType = getDrmManagerService()->getOriginalMimeType(uniqueId, path); 141 } 142 return mimeType; 143} 144 145int DrmManagerClientImpl::getDrmObjectType( 146 int uniqueId, const String8& path, const String8& mimeType) { 147 int drmOjectType = DrmObjectType::UNKNOWN; 148 if ((EMPTY_STRING != path) || (EMPTY_STRING != mimeType)) { 149 drmOjectType = getDrmManagerService()->getDrmObjectType(uniqueId, path, mimeType); 150 } 151 return drmOjectType; 152} 153 154int DrmManagerClientImpl::checkRightsStatus( 155 int uniqueId, const String8& path, int action) { 156 int rightsStatus = RightsStatus::RIGHTS_INVALID; 157 if (EMPTY_STRING != path) { 158 rightsStatus = getDrmManagerService()->checkRightsStatus(uniqueId, path, action); 159 } 160 return rightsStatus; 161} 162 163status_t DrmManagerClientImpl::consumeRights( 164 int uniqueId, DecryptHandle* decryptHandle, int action, bool reserve) { 165 status_t status = DRM_ERROR_UNKNOWN; 166 if (NULL != decryptHandle) { 167 status = getDrmManagerService()->consumeRights(uniqueId, decryptHandle, action, reserve); 168 } 169 return status; 170} 171 172status_t DrmManagerClientImpl::setPlaybackStatus( 173 int uniqueId, DecryptHandle* decryptHandle, int playbackStatus, int position) { 174 status_t status = DRM_ERROR_UNKNOWN; 175 if (NULL != decryptHandle) { 176 status = getDrmManagerService()->setPlaybackStatus( 177 uniqueId, decryptHandle, playbackStatus, position); 178 } 179 return status; 180} 181 182bool DrmManagerClientImpl::validateAction( 183 int uniqueId, const String8& path, int action, const ActionDescription& description) { 184 bool retCode = false; 185 if (EMPTY_STRING != path) { 186 retCode = getDrmManagerService()->validateAction(uniqueId, path, action, description); 187 } 188 return retCode; 189} 190 191status_t DrmManagerClientImpl::removeRights(int uniqueId, const String8& path) { 192 status_t status = DRM_ERROR_UNKNOWN; 193 if (EMPTY_STRING != path) { 194 status = getDrmManagerService()->removeRights(uniqueId, path); 195 } 196 return status; 197} 198 199status_t DrmManagerClientImpl::removeAllRights(int uniqueId) { 200 return getDrmManagerService()->removeAllRights(uniqueId); 201} 202 203int DrmManagerClientImpl::openConvertSession(int uniqueId, const String8& mimeType) { 204 int retCode = INVALID_VALUE; 205 if (EMPTY_STRING != mimeType) { 206 retCode = getDrmManagerService()->openConvertSession(uniqueId, mimeType); 207 } 208 return retCode; 209} 210 211DrmConvertedStatus* DrmManagerClientImpl::convertData( 212 int uniqueId, int convertId, const DrmBuffer* inputData) { 213 DrmConvertedStatus* drmConvertedStatus = NULL; 214 if (NULL != inputData) { 215 drmConvertedStatus = getDrmManagerService()->convertData(uniqueId, convertId, inputData); 216 } 217 return drmConvertedStatus; 218} 219 220DrmConvertedStatus* DrmManagerClientImpl::closeConvertSession(int uniqueId, int convertId) { 221 return getDrmManagerService()->closeConvertSession(uniqueId, convertId); 222} 223 224status_t DrmManagerClientImpl::getAllSupportInfo( 225 int uniqueId, int* length, DrmSupportInfo** drmSupportInfoArray) { 226 status_t status = DRM_ERROR_UNKNOWN; 227 if ((NULL != drmSupportInfoArray) && (NULL != length)) { 228 status = getDrmManagerService()->getAllSupportInfo(uniqueId, length, drmSupportInfoArray); 229 } 230 return status; 231} 232 233DecryptHandle* DrmManagerClientImpl::openDecryptSession( 234 int uniqueId, int fd, int offset, int length) { 235 return getDrmManagerService()->openDecryptSession(uniqueId, fd, offset, length); 236} 237 238DecryptHandle* DrmManagerClientImpl::openDecryptSession(int uniqueId, const char* uri) { 239 DecryptHandle* handle = NULL; 240 if (NULL != uri) { 241 handle = getDrmManagerService()->openDecryptSession(uniqueId, uri); 242 } 243 return handle; 244} 245 246status_t DrmManagerClientImpl::closeDecryptSession(int uniqueId, DecryptHandle* decryptHandle) { 247 status_t status = DRM_ERROR_UNKNOWN; 248 if (NULL != decryptHandle) { 249 status = getDrmManagerService()->closeDecryptSession( uniqueId, decryptHandle); 250 } 251 return status; 252} 253 254status_t DrmManagerClientImpl::initializeDecryptUnit(int uniqueId, DecryptHandle* decryptHandle, 255 int decryptUnitId, const DrmBuffer* headerInfo) { 256 status_t status = DRM_ERROR_UNKNOWN; 257 if ((NULL != decryptHandle) && (NULL != headerInfo)) { 258 status = getDrmManagerService()->initializeDecryptUnit( 259 uniqueId, decryptHandle, decryptUnitId, headerInfo); 260 } 261 return status; 262} 263 264status_t DrmManagerClientImpl::decrypt(int uniqueId, DecryptHandle* decryptHandle, 265 int decryptUnitId, const DrmBuffer* encBuffer, DrmBuffer** decBuffer, DrmBuffer* IV) { 266 status_t status = DRM_ERROR_UNKNOWN; 267 if ((NULL != decryptHandle) && (NULL != encBuffer) 268 && (NULL != decBuffer) && (NULL != *decBuffer)) { 269 status = getDrmManagerService()->decrypt( 270 uniqueId, decryptHandle, decryptUnitId, encBuffer, decBuffer, IV); 271 } 272 return status; 273} 274 275status_t DrmManagerClientImpl::finalizeDecryptUnit( 276 int uniqueId, DecryptHandle* decryptHandle, int decryptUnitId) { 277 status_t status = DRM_ERROR_UNKNOWN; 278 if (NULL != decryptHandle) { 279 status 280 = getDrmManagerService()->finalizeDecryptUnit(uniqueId, decryptHandle, decryptUnitId); 281 } 282 return status; 283} 284 285ssize_t DrmManagerClientImpl::pread(int uniqueId, DecryptHandle* decryptHandle, 286 void* buffer, ssize_t numBytes, off_t offset) { 287 ssize_t retCode = INVALID_VALUE; 288 if ((NULL != decryptHandle) && (NULL != buffer) && (0 < numBytes)) { 289 retCode = getDrmManagerService()->pread(uniqueId, decryptHandle, buffer, numBytes, offset); 290 } 291 return retCode; 292} 293 294status_t DrmManagerClientImpl::notify(const DrmInfoEvent& event) { 295 if (NULL != mOnInfoListener.get()) { 296 Mutex::Autolock _l(mLock); 297 sp<DrmManagerClient::OnInfoListener> listener = mOnInfoListener; 298 listener->onInfo(event); 299 } 300 return DRM_NO_ERROR; 301} 302 303