DrmManagerClientImpl.cpp revision 6dc4726e7fa14e4006f6790c6f1ba02cfe888870
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 104DrmMetadata* DrmManagerClientImpl::getMetadata(int uniqueId, const String8* path) { 105 DrmMetadata *drmMetadata = NULL; 106 if ((NULL != path) && (EMPTY_STRING != *path)) { 107 drmMetadata = getDrmManagerService()->getMetadata(uniqueId, path); 108 } 109 return drmMetadata; 110} 111 112bool DrmManagerClientImpl::canHandle(int uniqueId, const String8& path, const String8& mimeType) { 113 bool retCode = false; 114 if ((EMPTY_STRING != path) || (EMPTY_STRING != mimeType)) { 115 retCode = getDrmManagerService()->canHandle(uniqueId, path, mimeType); 116 } 117 return retCode; 118} 119 120DrmInfoStatus* DrmManagerClientImpl::processDrmInfo(int uniqueId, const DrmInfo* drmInfo) { 121 DrmInfoStatus *drmInfoStatus = NULL; 122 if (NULL != drmInfo) { 123 drmInfoStatus = getDrmManagerService()->processDrmInfo(uniqueId, drmInfo); 124 } 125 return drmInfoStatus; 126} 127 128DrmInfo* DrmManagerClientImpl::acquireDrmInfo(int uniqueId, const DrmInfoRequest* drmInfoRequest) { 129 DrmInfo* drmInfo = NULL; 130 if (NULL != drmInfoRequest) { 131 drmInfo = getDrmManagerService()->acquireDrmInfo(uniqueId, drmInfoRequest); 132 } 133 return drmInfo; 134} 135 136status_t DrmManagerClientImpl::saveRights(int uniqueId, const DrmRights& drmRights, 137 const String8& rightsPath, const String8& contentPath) { 138 status_t status = DRM_ERROR_UNKNOWN; 139 if (EMPTY_STRING != contentPath) { 140 status = getDrmManagerService()->saveRights(uniqueId, drmRights, rightsPath, contentPath); 141 } 142 return status; 143} 144 145String8 DrmManagerClientImpl::getOriginalMimeType(int uniqueId, const String8& path) { 146 String8 mimeType = EMPTY_STRING; 147 if (EMPTY_STRING != path) { 148 mimeType = getDrmManagerService()->getOriginalMimeType(uniqueId, path); 149 } 150 return mimeType; 151} 152 153int DrmManagerClientImpl::getDrmObjectType( 154 int uniqueId, const String8& path, const String8& mimeType) { 155 int drmOjectType = DrmObjectType::UNKNOWN; 156 if ((EMPTY_STRING != path) || (EMPTY_STRING != mimeType)) { 157 drmOjectType = getDrmManagerService()->getDrmObjectType(uniqueId, path, mimeType); 158 } 159 return drmOjectType; 160} 161 162int DrmManagerClientImpl::checkRightsStatus( 163 int uniqueId, const String8& path, int action) { 164 int rightsStatus = RightsStatus::RIGHTS_INVALID; 165 if (EMPTY_STRING != path) { 166 rightsStatus = getDrmManagerService()->checkRightsStatus(uniqueId, path, action); 167 } 168 return rightsStatus; 169} 170 171status_t DrmManagerClientImpl::consumeRights( 172 int uniqueId, DecryptHandle* decryptHandle, int action, bool reserve) { 173 status_t status = DRM_ERROR_UNKNOWN; 174 if (NULL != decryptHandle) { 175 status = getDrmManagerService()->consumeRights(uniqueId, decryptHandle, action, reserve); 176 } 177 return status; 178} 179 180status_t DrmManagerClientImpl::setPlaybackStatus( 181 int uniqueId, DecryptHandle* decryptHandle, int playbackStatus, int64_t position) { 182 status_t status = DRM_ERROR_UNKNOWN; 183 if (NULL != decryptHandle) { 184 status = getDrmManagerService()->setPlaybackStatus( 185 uniqueId, decryptHandle, playbackStatus, position); 186 } 187 return status; 188} 189 190bool DrmManagerClientImpl::validateAction( 191 int uniqueId, const String8& path, int action, const ActionDescription& description) { 192 bool retCode = false; 193 if (EMPTY_STRING != path) { 194 retCode = getDrmManagerService()->validateAction(uniqueId, path, action, description); 195 } 196 return retCode; 197} 198 199status_t DrmManagerClientImpl::removeRights(int uniqueId, const String8& path) { 200 status_t status = DRM_ERROR_UNKNOWN; 201 if (EMPTY_STRING != path) { 202 status = getDrmManagerService()->removeRights(uniqueId, path); 203 } 204 return status; 205} 206 207status_t DrmManagerClientImpl::removeAllRights(int uniqueId) { 208 return getDrmManagerService()->removeAllRights(uniqueId); 209} 210 211int DrmManagerClientImpl::openConvertSession(int uniqueId, const String8& mimeType) { 212 int retCode = INVALID_VALUE; 213 if (EMPTY_STRING != mimeType) { 214 retCode = getDrmManagerService()->openConvertSession(uniqueId, mimeType); 215 } 216 return retCode; 217} 218 219DrmConvertedStatus* DrmManagerClientImpl::convertData( 220 int uniqueId, int convertId, const DrmBuffer* inputData) { 221 DrmConvertedStatus* drmConvertedStatus = NULL; 222 if (NULL != inputData) { 223 drmConvertedStatus = getDrmManagerService()->convertData(uniqueId, convertId, inputData); 224 } 225 return drmConvertedStatus; 226} 227 228DrmConvertedStatus* DrmManagerClientImpl::closeConvertSession(int uniqueId, int convertId) { 229 return getDrmManagerService()->closeConvertSession(uniqueId, convertId); 230} 231 232status_t DrmManagerClientImpl::getAllSupportInfo( 233 int uniqueId, int* length, DrmSupportInfo** drmSupportInfoArray) { 234 status_t status = DRM_ERROR_UNKNOWN; 235 if ((NULL != drmSupportInfoArray) && (NULL != length)) { 236 status = getDrmManagerService()->getAllSupportInfo(uniqueId, length, drmSupportInfoArray); 237 } 238 return status; 239} 240 241DecryptHandle* DrmManagerClientImpl::openDecryptSession( 242 int uniqueId, int fd, off64_t offset, off64_t length) { 243 return getDrmManagerService()->openDecryptSession(uniqueId, fd, offset, length); 244} 245 246DecryptHandle* DrmManagerClientImpl::openDecryptSession(int uniqueId, const char* uri) { 247 DecryptHandle* handle = NULL; 248 if (NULL != uri) { 249 handle = getDrmManagerService()->openDecryptSession(uniqueId, uri); 250 } 251 return handle; 252} 253 254status_t DrmManagerClientImpl::closeDecryptSession(int uniqueId, DecryptHandle* decryptHandle) { 255 status_t status = DRM_ERROR_UNKNOWN; 256 if (NULL != decryptHandle) { 257 status = getDrmManagerService()->closeDecryptSession( uniqueId, decryptHandle); 258 } 259 return status; 260} 261 262status_t DrmManagerClientImpl::initializeDecryptUnit(int uniqueId, DecryptHandle* decryptHandle, 263 int decryptUnitId, const DrmBuffer* headerInfo) { 264 status_t status = DRM_ERROR_UNKNOWN; 265 if ((NULL != decryptHandle) && (NULL != headerInfo)) { 266 status = getDrmManagerService()->initializeDecryptUnit( 267 uniqueId, decryptHandle, decryptUnitId, headerInfo); 268 } 269 return status; 270} 271 272status_t DrmManagerClientImpl::decrypt(int uniqueId, DecryptHandle* decryptHandle, 273 int decryptUnitId, const DrmBuffer* encBuffer, DrmBuffer** decBuffer, DrmBuffer* IV) { 274 status_t status = DRM_ERROR_UNKNOWN; 275 if ((NULL != decryptHandle) && (NULL != encBuffer) 276 && (NULL != decBuffer) && (NULL != *decBuffer)) { 277 status = getDrmManagerService()->decrypt( 278 uniqueId, decryptHandle, decryptUnitId, encBuffer, decBuffer, IV); 279 } 280 return status; 281} 282 283status_t DrmManagerClientImpl::finalizeDecryptUnit( 284 int uniqueId, DecryptHandle* decryptHandle, int decryptUnitId) { 285 status_t status = DRM_ERROR_UNKNOWN; 286 if (NULL != decryptHandle) { 287 status 288 = getDrmManagerService()->finalizeDecryptUnit(uniqueId, decryptHandle, decryptUnitId); 289 } 290 return status; 291} 292 293ssize_t DrmManagerClientImpl::pread(int uniqueId, DecryptHandle* decryptHandle, 294 void* buffer, ssize_t numBytes, off64_t offset) { 295 ssize_t retCode = INVALID_VALUE; 296 if ((NULL != decryptHandle) && (NULL != buffer) && (0 < numBytes)) { 297 retCode = getDrmManagerService()->pread(uniqueId, decryptHandle, buffer, numBytes, offset); 298 } 299 return retCode; 300} 301 302status_t DrmManagerClientImpl::notify(const DrmInfoEvent& event) { 303 if (NULL != mOnInfoListener.get()) { 304 Mutex::Autolock _l(mLock); 305 sp<DrmManagerClient::OnInfoListener> listener = mOnInfoListener; 306 listener->onInfo(event); 307 } 308 return DRM_NO_ERROR; 309} 310 311