Mike Lockwood | 98ef64e | 2010-06-29 16:42:13 -0400 | [diff] [blame] | 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_TAG "MtpServerJNI" |
| 18 | #include "utils/Log.h" |
| 19 | |
| 20 | #include <stdio.h> |
| 21 | #include <assert.h> |
| 22 | #include <limits.h> |
| 23 | #include <unistd.h> |
| 24 | #include <fcntl.h> |
Mike Lockwood | eabe8bf | 2010-08-31 14:35:23 -0400 | [diff] [blame] | 25 | #include <sys/ioctl.h> |
Mike Lockwood | 98ef64e | 2010-06-29 16:42:13 -0400 | [diff] [blame] | 26 | #include <utils/threads.h> |
| 27 | |
Mike Lockwood | 602bebd | 2010-09-02 09:58:48 -0400 | [diff] [blame] | 28 | #ifdef HAVE_ANDROID_OS |
Mike Lockwood | eabe8bf | 2010-08-31 14:35:23 -0400 | [diff] [blame] | 29 | #include <linux/usb/f_mtp.h> |
Mike Lockwood | 602bebd | 2010-09-02 09:58:48 -0400 | [diff] [blame] | 30 | #endif |
Mike Lockwood | eabe8bf | 2010-08-31 14:35:23 -0400 | [diff] [blame] | 31 | |
Mike Lockwood | 98ef64e | 2010-06-29 16:42:13 -0400 | [diff] [blame] | 32 | #include "jni.h" |
| 33 | #include "JNIHelp.h" |
| 34 | #include "android_runtime/AndroidRuntime.h" |
Mike Lockwood | dad6927 | 2010-07-02 15:15:07 -0400 | [diff] [blame] | 35 | #include "private/android_filesystem_config.h" |
Mike Lockwood | 98ef64e | 2010-06-29 16:42:13 -0400 | [diff] [blame] | 36 | |
| 37 | #include "MtpServer.h" |
Mike Lockwood | 467ca0d | 2011-02-18 09:07:14 -0500 | [diff] [blame] | 38 | #include "MtpStorage.h" |
Mike Lockwood | 98ef64e | 2010-06-29 16:42:13 -0400 | [diff] [blame] | 39 | |
Mike Lockwood | 81ea83d | 2010-06-30 17:49:41 -0400 | [diff] [blame] | 40 | using namespace android; |
Mike Lockwood | 98ef64e | 2010-06-29 16:42:13 -0400 | [diff] [blame] | 41 | |
Mike Lockwood | b239b683 | 2011-04-05 10:21:27 -0400 | [diff] [blame] | 42 | // MtpStorage class |
| 43 | jclass clazz_MtpStorage; |
| 44 | |
| 45 | // MtpStorage fields |
| 46 | static jfieldID field_MtpStorage_storageId; |
| 47 | static jfieldID field_MtpStorage_path; |
| 48 | static jfieldID field_MtpStorage_description; |
| 49 | static jfieldID field_MtpStorage_reserveSpace; |
Mike Lockwood | 5169054 | 2011-05-09 20:16:05 -0700 | [diff] [blame] | 50 | static jfieldID field_MtpStorage_removable; |
Mike Lockwood | 7a59dd2 | 2011-07-11 09:18:03 -0400 | [diff] [blame] | 51 | static jfieldID field_MtpStorage_maxFileSize; |
Mike Lockwood | b239b683 | 2011-04-05 10:21:27 -0400 | [diff] [blame] | 52 | |
| 53 | static Mutex sMutex; |
| 54 | |
Mike Lockwood | 98ef64e | 2010-06-29 16:42:13 -0400 | [diff] [blame] | 55 | // ---------------------------------------------------------------------------- |
| 56 | |
Mike Lockwood | 0cd0136 | 2010-12-30 11:54:33 -0500 | [diff] [blame] | 57 | // in android_mtp_MtpDatabase.cpp |
Mike Lockwood | d21eac9 | 2010-07-03 00:44:05 -0400 | [diff] [blame] | 58 | extern MtpDatabase* getMtpDatabase(JNIEnv *env, jobject database); |
Mike Lockwood | 98ef64e | 2010-06-29 16:42:13 -0400 | [diff] [blame] | 59 | |
| 60 | // ---------------------------------------------------------------------------- |
| 61 | |
Mike Lockwood | ff164a7 | 2010-07-15 15:01:17 -0400 | [diff] [blame] | 62 | #ifdef HAVE_ANDROID_OS |
| 63 | |
Mike Lockwood | 98ef64e | 2010-06-29 16:42:13 -0400 | [diff] [blame] | 64 | static bool ExceptionCheck(void* env) |
| 65 | { |
| 66 | return ((JNIEnv *)env)->ExceptionCheck(); |
| 67 | } |
| 68 | |
| 69 | class MtpThread : public Thread { |
| 70 | private: |
Mike Lockwood | d21eac9 | 2010-07-03 00:44:05 -0400 | [diff] [blame] | 71 | MtpDatabase* mDatabase; |
Mike Lockwood | 7d40d42 | 2011-06-21 08:27:06 -0400 | [diff] [blame] | 72 | bool mPtp; |
Mike Lockwood | be125a5 | 2010-07-12 18:54:16 -0400 | [diff] [blame] | 73 | MtpServer* mServer; |
Mike Lockwood | b239b683 | 2011-04-05 10:21:27 -0400 | [diff] [blame] | 74 | MtpStorageList mStorageList; |
Mike Lockwood | eabe8bf | 2010-08-31 14:35:23 -0400 | [diff] [blame] | 75 | int mFd; |
Mike Lockwood | 98ef64e | 2010-06-29 16:42:13 -0400 | [diff] [blame] | 76 | |
| 77 | public: |
Mike Lockwood | 7d40d42 | 2011-06-21 08:27:06 -0400 | [diff] [blame] | 78 | MtpThread(MtpDatabase* database, bool usePtp) |
Mike Lockwood | eabe8bf | 2010-08-31 14:35:23 -0400 | [diff] [blame] | 79 | : mDatabase(database), |
Mike Lockwood | 7d40d42 | 2011-06-21 08:27:06 -0400 | [diff] [blame] | 80 | mPtp(usePtp), |
Mike Lockwood | 23ee42f | 2010-08-03 15:17:55 -0400 | [diff] [blame] | 81 | mServer(NULL), |
Mike Lockwood | eabe8bf | 2010-08-31 14:35:23 -0400 | [diff] [blame] | 82 | mFd(-1) |
Mike Lockwood | 98ef64e | 2010-06-29 16:42:13 -0400 | [diff] [blame] | 83 | { |
| 84 | } |
| 85 | |
Mike Lockwood | 467ca0d | 2011-02-18 09:07:14 -0500 | [diff] [blame] | 86 | virtual ~MtpThread() { |
Mike Lockwood | 467ca0d | 2011-02-18 09:07:14 -0500 | [diff] [blame] | 87 | } |
| 88 | |
Mike Lockwood | b239b683 | 2011-04-05 10:21:27 -0400 | [diff] [blame] | 89 | void addStorage(MtpStorage *storage) { |
| 90 | mStorageList.push(storage); |
| 91 | if (mServer) |
| 92 | mServer->addStorage(storage); |
| 93 | } |
| 94 | |
| 95 | void removeStorage(MtpStorageID id) { |
| 96 | MtpStorage* storage = mServer->getStorage(id); |
| 97 | if (storage) { |
James Dong | 3977472 | 2011-04-06 11:57:48 -0700 | [diff] [blame] | 98 | for (size_t i = 0; i < mStorageList.size(); i++) { |
Mike Lockwood | b239b683 | 2011-04-05 10:21:27 -0400 | [diff] [blame] | 99 | if (mStorageList[i] == storage) { |
| 100 | mStorageList.removeAt(i); |
| 101 | break; |
| 102 | } |
Mike Lockwood | 66e57f6 | 2011-02-18 13:24:01 -0500 | [diff] [blame] | 103 | } |
Mike Lockwood | b239b683 | 2011-04-05 10:21:27 -0400 | [diff] [blame] | 104 | if (mServer) |
| 105 | mServer->removeStorage(storage); |
| 106 | delete storage; |
Mike Lockwood | 66e57f6 | 2011-02-18 13:24:01 -0500 | [diff] [blame] | 107 | } |
Mike Lockwood | b239b683 | 2011-04-05 10:21:27 -0400 | [diff] [blame] | 108 | } |
| 109 | |
| 110 | void start() { |
| 111 | run("MtpThread"); |
Mike Lockwood | 66e57f6 | 2011-02-18 13:24:01 -0500 | [diff] [blame] | 112 | } |
| 113 | |
Mike Lockwood | 98ef64e | 2010-06-29 16:42:13 -0400 | [diff] [blame] | 114 | virtual bool threadLoop() { |
Mike Lockwood | b239b683 | 2011-04-05 10:21:27 -0400 | [diff] [blame] | 115 | sMutex.lock(); |
| 116 | |
Mike Lockwood | 071b2b6 | 2011-01-25 09:29:27 -0800 | [diff] [blame] | 117 | mFd = open("/dev/mtp_usb", O_RDWR); |
| 118 | if (mFd >= 0) { |
Mike Lockwood | 7d40d42 | 2011-06-21 08:27:06 -0400 | [diff] [blame] | 119 | mServer = new MtpServer(mFd, mDatabase, mPtp, AID_MEDIA_RW, 0664, 0775); |
James Dong | 3977472 | 2011-04-06 11:57:48 -0700 | [diff] [blame] | 120 | for (size_t i = 0; i < mStorageList.size(); i++) { |
Mike Lockwood | b239b683 | 2011-04-05 10:21:27 -0400 | [diff] [blame] | 121 | mServer->addStorage(mStorageList[i]); |
| 122 | } |
Mike Lockwood | 071b2b6 | 2011-01-25 09:29:27 -0800 | [diff] [blame] | 123 | } else { |
| 124 | LOGE("could not open MTP driver, errno: %d", errno); |
| 125 | } |
Mike Lockwood | b239b683 | 2011-04-05 10:21:27 -0400 | [diff] [blame] | 126 | |
| 127 | sMutex.unlock(); |
| 128 | mServer->run(); |
| 129 | sMutex.lock(); |
| 130 | |
| 131 | close(mFd); |
| 132 | mFd = -1; |
| 133 | delete mServer; |
| 134 | mServer = NULL; |
| 135 | |
| 136 | sMutex.unlock(); |
Mike Lockwood | 071b2b6 | 2011-01-25 09:29:27 -0800 | [diff] [blame] | 137 | // delay a bit before retrying to avoid excessive spin |
| 138 | if (!exitPending()) { |
| 139 | sleep(1); |
Mike Lockwood | 897f894 | 2011-01-19 10:11:28 -0800 | [diff] [blame] | 140 | } |
Mike Lockwood | 2b2bff5 | 2010-08-18 12:32:26 -0400 | [diff] [blame] | 141 | |
Mike Lockwood | 071b2b6 | 2011-01-25 09:29:27 -0800 | [diff] [blame] | 142 | return true; |
Mike Lockwood | a1c9180 | 2011-01-18 20:11:29 -0800 | [diff] [blame] | 143 | } |
| 144 | |
Mike Lockwood | be125a5 | 2010-07-12 18:54:16 -0400 | [diff] [blame] | 145 | void sendObjectAdded(MtpObjectHandle handle) { |
Mike Lockwood | be125a5 | 2010-07-12 18:54:16 -0400 | [diff] [blame] | 146 | if (mServer) |
| 147 | mServer->sendObjectAdded(handle); |
Mike Lockwood | be125a5 | 2010-07-12 18:54:16 -0400 | [diff] [blame] | 148 | } |
| 149 | |
| 150 | void sendObjectRemoved(MtpObjectHandle handle) { |
Mike Lockwood | be125a5 | 2010-07-12 18:54:16 -0400 | [diff] [blame] | 151 | if (mServer) |
| 152 | mServer->sendObjectRemoved(handle); |
Mike Lockwood | be125a5 | 2010-07-12 18:54:16 -0400 | [diff] [blame] | 153 | } |
Mike Lockwood | 98ef64e | 2010-06-29 16:42:13 -0400 | [diff] [blame] | 154 | }; |
| 155 | |
Mike Lockwood | 071b2b6 | 2011-01-25 09:29:27 -0800 | [diff] [blame] | 156 | // This smart pointer is necessary for preventing MtpThread from exiting too early |
| 157 | static sp<MtpThread> sThread; |
| 158 | |
Mike Lockwood | ff164a7 | 2010-07-15 15:01:17 -0400 | [diff] [blame] | 159 | #endif // HAVE_ANDROID_OS |
| 160 | |
Mike Lockwood | 98ef64e | 2010-06-29 16:42:13 -0400 | [diff] [blame] | 161 | static void |
Mike Lockwood | 7d40d42 | 2011-06-21 08:27:06 -0400 | [diff] [blame] | 162 | android_mtp_MtpServer_setup(JNIEnv *env, jobject thiz, jobject javaDatabase, jboolean usePtp) |
Mike Lockwood | 98ef64e | 2010-06-29 16:42:13 -0400 | [diff] [blame] | 163 | { |
Mike Lockwood | ff164a7 | 2010-07-15 15:01:17 -0400 | [diff] [blame] | 164 | #ifdef HAVE_ANDROID_OS |
Mike Lockwood | 071b2b6 | 2011-01-25 09:29:27 -0800 | [diff] [blame] | 165 | // create the thread and assign it to the smart pointer |
Mike Lockwood | 7d40d42 | 2011-06-21 08:27:06 -0400 | [diff] [blame] | 166 | sThread = new MtpThread(getMtpDatabase(env, javaDatabase), usePtp); |
Mike Lockwood | ff164a7 | 2010-07-15 15:01:17 -0400 | [diff] [blame] | 167 | #endif |
Mike Lockwood | 98ef64e | 2010-06-29 16:42:13 -0400 | [diff] [blame] | 168 | } |
| 169 | |
| 170 | static void |
Mike Lockwood | 0cd0136 | 2010-12-30 11:54:33 -0500 | [diff] [blame] | 171 | android_mtp_MtpServer_start(JNIEnv *env, jobject thiz) |
Mike Lockwood | 98ef64e | 2010-06-29 16:42:13 -0400 | [diff] [blame] | 172 | { |
Mike Lockwood | ff164a7 | 2010-07-15 15:01:17 -0400 | [diff] [blame] | 173 | #ifdef HAVE_ANDROID_OS |
Mike Lockwood | b239b683 | 2011-04-05 10:21:27 -0400 | [diff] [blame] | 174 | sMutex.lock(); |
Mike Lockwood | 071b2b6 | 2011-01-25 09:29:27 -0800 | [diff] [blame] | 175 | MtpThread *thread = sThread.get(); |
| 176 | if (thread) |
Mike Lockwood | b239b683 | 2011-04-05 10:21:27 -0400 | [diff] [blame] | 177 | thread->start(); |
| 178 | sMutex.unlock(); |
Mike Lockwood | ff164a7 | 2010-07-15 15:01:17 -0400 | [diff] [blame] | 179 | #endif // HAVE_ANDROID_OS |
Mike Lockwood | 98ef64e | 2010-06-29 16:42:13 -0400 | [diff] [blame] | 180 | } |
| 181 | |
| 182 | static void |
Mike Lockwood | 0cd0136 | 2010-12-30 11:54:33 -0500 | [diff] [blame] | 183 | android_mtp_MtpServer_stop(JNIEnv *env, jobject thiz) |
Mike Lockwood | 98ef64e | 2010-06-29 16:42:13 -0400 | [diff] [blame] | 184 | { |
Mike Lockwood | ff164a7 | 2010-07-15 15:01:17 -0400 | [diff] [blame] | 185 | #ifdef HAVE_ANDROID_OS |
Mike Lockwood | b239b683 | 2011-04-05 10:21:27 -0400 | [diff] [blame] | 186 | sMutex.lock(); |
Mike Lockwood | 071b2b6 | 2011-01-25 09:29:27 -0800 | [diff] [blame] | 187 | MtpThread *thread = sThread.get(); |
| 188 | if (thread) { |
| 189 | thread->requestExitAndWait(); |
| 190 | sThread = NULL; |
| 191 | } |
Mike Lockwood | b239b683 | 2011-04-05 10:21:27 -0400 | [diff] [blame] | 192 | sMutex.unlock(); |
Mike Lockwood | ff164a7 | 2010-07-15 15:01:17 -0400 | [diff] [blame] | 193 | #endif |
Mike Lockwood | 98ef64e | 2010-06-29 16:42:13 -0400 | [diff] [blame] | 194 | } |
| 195 | |
Mike Lockwood | be125a5 | 2010-07-12 18:54:16 -0400 | [diff] [blame] | 196 | static void |
Mike Lockwood | 0cd0136 | 2010-12-30 11:54:33 -0500 | [diff] [blame] | 197 | android_mtp_MtpServer_send_object_added(JNIEnv *env, jobject thiz, jint handle) |
Mike Lockwood | be125a5 | 2010-07-12 18:54:16 -0400 | [diff] [blame] | 198 | { |
Mike Lockwood | ff164a7 | 2010-07-15 15:01:17 -0400 | [diff] [blame] | 199 | #ifdef HAVE_ANDROID_OS |
Mike Lockwood | b239b683 | 2011-04-05 10:21:27 -0400 | [diff] [blame] | 200 | sMutex.lock(); |
Mike Lockwood | 071b2b6 | 2011-01-25 09:29:27 -0800 | [diff] [blame] | 201 | MtpThread *thread = sThread.get(); |
Mike Lockwood | be125a5 | 2010-07-12 18:54:16 -0400 | [diff] [blame] | 202 | if (thread) |
| 203 | thread->sendObjectAdded(handle); |
Mike Lockwood | b239b683 | 2011-04-05 10:21:27 -0400 | [diff] [blame] | 204 | sMutex.unlock(); |
Mike Lockwood | ff164a7 | 2010-07-15 15:01:17 -0400 | [diff] [blame] | 205 | #endif |
Mike Lockwood | be125a5 | 2010-07-12 18:54:16 -0400 | [diff] [blame] | 206 | } |
| 207 | |
| 208 | static void |
Mike Lockwood | 0cd0136 | 2010-12-30 11:54:33 -0500 | [diff] [blame] | 209 | android_mtp_MtpServer_send_object_removed(JNIEnv *env, jobject thiz, jint handle) |
Mike Lockwood | be125a5 | 2010-07-12 18:54:16 -0400 | [diff] [blame] | 210 | { |
Mike Lockwood | ff164a7 | 2010-07-15 15:01:17 -0400 | [diff] [blame] | 211 | #ifdef HAVE_ANDROID_OS |
Mike Lockwood | b239b683 | 2011-04-05 10:21:27 -0400 | [diff] [blame] | 212 | sMutex.lock(); |
Mike Lockwood | 071b2b6 | 2011-01-25 09:29:27 -0800 | [diff] [blame] | 213 | MtpThread *thread = sThread.get(); |
Mike Lockwood | be125a5 | 2010-07-12 18:54:16 -0400 | [diff] [blame] | 214 | if (thread) |
| 215 | thread->sendObjectRemoved(handle); |
Mike Lockwood | b239b683 | 2011-04-05 10:21:27 -0400 | [diff] [blame] | 216 | sMutex.unlock(); |
Mike Lockwood | ff164a7 | 2010-07-15 15:01:17 -0400 | [diff] [blame] | 217 | #endif |
Mike Lockwood | be125a5 | 2010-07-12 18:54:16 -0400 | [diff] [blame] | 218 | } |
| 219 | |
Mike Lockwood | eabe8bf | 2010-08-31 14:35:23 -0400 | [diff] [blame] | 220 | static void |
Mike Lockwood | b239b683 | 2011-04-05 10:21:27 -0400 | [diff] [blame] | 221 | android_mtp_MtpServer_add_storage(JNIEnv *env, jobject thiz, jobject jstorage) |
Mike Lockwood | 66e57f6 | 2011-02-18 13:24:01 -0500 | [diff] [blame] | 222 | { |
| 223 | #ifdef HAVE_ANDROID_OS |
Mike Lockwood | b239b683 | 2011-04-05 10:21:27 -0400 | [diff] [blame] | 224 | sMutex.lock(); |
| 225 | MtpThread *thread = sThread.get(); |
| 226 | if (thread) { |
| 227 | jint storageID = env->GetIntField(jstorage, field_MtpStorage_storageId); |
| 228 | jstring path = (jstring)env->GetObjectField(jstorage, field_MtpStorage_path); |
| 229 | jstring description = (jstring)env->GetObjectField(jstorage, field_MtpStorage_description); |
| 230 | jlong reserveSpace = env->GetLongField(jstorage, field_MtpStorage_reserveSpace); |
Mike Lockwood | 5169054 | 2011-05-09 20:16:05 -0700 | [diff] [blame] | 231 | jboolean removable = env->GetBooleanField(jstorage, field_MtpStorage_removable); |
Mike Lockwood | 7a59dd2 | 2011-07-11 09:18:03 -0400 | [diff] [blame] | 232 | jlong maxFileSize = env->GetLongField(jstorage, field_MtpStorage_maxFileSize); |
Mike Lockwood | b239b683 | 2011-04-05 10:21:27 -0400 | [diff] [blame] | 233 | |
| 234 | const char *pathStr = env->GetStringUTFChars(path, NULL); |
James Dong | 3977472 | 2011-04-06 11:57:48 -0700 | [diff] [blame] | 235 | if (pathStr != NULL) { |
| 236 | const char *descriptionStr = env->GetStringUTFChars(description, NULL); |
| 237 | if (descriptionStr != NULL) { |
Mike Lockwood | 7a59dd2 | 2011-07-11 09:18:03 -0400 | [diff] [blame] | 238 | MtpStorage* storage = new MtpStorage(storageID, pathStr, descriptionStr, |
| 239 | reserveSpace, removable, maxFileSize); |
James Dong | 3977472 | 2011-04-06 11:57:48 -0700 | [diff] [blame] | 240 | thread->addStorage(storage); |
| 241 | env->ReleaseStringUTFChars(path, pathStr); |
| 242 | env->ReleaseStringUTFChars(description, descriptionStr); |
| 243 | } else { |
| 244 | env->ReleaseStringUTFChars(path, pathStr); |
| 245 | } |
| 246 | } |
Mike Lockwood | b239b683 | 2011-04-05 10:21:27 -0400 | [diff] [blame] | 247 | } else { |
| 248 | LOGE("MtpThread is null in add_storage"); |
| 249 | } |
| 250 | sMutex.unlock(); |
| 251 | #endif |
| 252 | } |
| 253 | |
| 254 | static void |
| 255 | android_mtp_MtpServer_remove_storage(JNIEnv *env, jobject thiz, jint storageId) |
| 256 | { |
| 257 | #ifdef HAVE_ANDROID_OS |
| 258 | sMutex.lock(); |
Mike Lockwood | 66e57f6 | 2011-02-18 13:24:01 -0500 | [diff] [blame] | 259 | MtpThread *thread = sThread.get(); |
| 260 | if (thread) |
Mike Lockwood | b239b683 | 2011-04-05 10:21:27 -0400 | [diff] [blame] | 261 | thread->removeStorage(storageId); |
| 262 | else |
| 263 | LOGE("MtpThread is null in remove_storage"); |
| 264 | sMutex.unlock(); |
Mike Lockwood | 66e57f6 | 2011-02-18 13:24:01 -0500 | [diff] [blame] | 265 | #endif |
| 266 | } |
| 267 | |
Mike Lockwood | 98ef64e | 2010-06-29 16:42:13 -0400 | [diff] [blame] | 268 | // ---------------------------------------------------------------------------- |
| 269 | |
| 270 | static JNINativeMethod gMethods[] = { |
Mike Lockwood | 7d40d42 | 2011-06-21 08:27:06 -0400 | [diff] [blame] | 271 | {"native_setup", "(Landroid/mtp/MtpDatabase;Z)V", |
Mike Lockwood | 0cd0136 | 2010-12-30 11:54:33 -0500 | [diff] [blame] | 272 | (void *)android_mtp_MtpServer_setup}, |
Mike Lockwood | 0cd0136 | 2010-12-30 11:54:33 -0500 | [diff] [blame] | 273 | {"native_start", "()V", (void *)android_mtp_MtpServer_start}, |
| 274 | {"native_stop", "()V", (void *)android_mtp_MtpServer_stop}, |
| 275 | {"native_send_object_added", "(I)V", (void *)android_mtp_MtpServer_send_object_added}, |
| 276 | {"native_send_object_removed", "(I)V", (void *)android_mtp_MtpServer_send_object_removed}, |
Mike Lockwood | b239b683 | 2011-04-05 10:21:27 -0400 | [diff] [blame] | 277 | {"native_add_storage", "(Landroid/mtp/MtpStorage;)V", |
| 278 | (void *)android_mtp_MtpServer_add_storage}, |
| 279 | {"native_remove_storage", "(I)V", (void *)android_mtp_MtpServer_remove_storage}, |
Mike Lockwood | 98ef64e | 2010-06-29 16:42:13 -0400 | [diff] [blame] | 280 | }; |
| 281 | |
Mike Lockwood | 0cd0136 | 2010-12-30 11:54:33 -0500 | [diff] [blame] | 282 | static const char* const kClassPathName = "android/mtp/MtpServer"; |
Mike Lockwood | 98ef64e | 2010-06-29 16:42:13 -0400 | [diff] [blame] | 283 | |
Mike Lockwood | 0cd0136 | 2010-12-30 11:54:33 -0500 | [diff] [blame] | 284 | int register_android_mtp_MtpServer(JNIEnv *env) |
Mike Lockwood | 98ef64e | 2010-06-29 16:42:13 -0400 | [diff] [blame] | 285 | { |
| 286 | jclass clazz; |
| 287 | |
Mike Lockwood | b239b683 | 2011-04-05 10:21:27 -0400 | [diff] [blame] | 288 | clazz = env->FindClass("android/mtp/MtpStorage"); |
| 289 | if (clazz == NULL) { |
| 290 | LOGE("Can't find android/mtp/MtpStorage"); |
| 291 | return -1; |
| 292 | } |
| 293 | field_MtpStorage_storageId = env->GetFieldID(clazz, "mStorageId", "I"); |
| 294 | if (field_MtpStorage_storageId == NULL) { |
| 295 | LOGE("Can't find MtpStorage.mStorageId"); |
| 296 | return -1; |
| 297 | } |
| 298 | field_MtpStorage_path = env->GetFieldID(clazz, "mPath", "Ljava/lang/String;"); |
| 299 | if (field_MtpStorage_path == NULL) { |
| 300 | LOGE("Can't find MtpStorage.mPath"); |
| 301 | return -1; |
| 302 | } |
| 303 | field_MtpStorage_description = env->GetFieldID(clazz, "mDescription", "Ljava/lang/String;"); |
| 304 | if (field_MtpStorage_description == NULL) { |
| 305 | LOGE("Can't find MtpStorage.mDescription"); |
| 306 | return -1; |
| 307 | } |
| 308 | field_MtpStorage_reserveSpace = env->GetFieldID(clazz, "mReserveSpace", "J"); |
| 309 | if (field_MtpStorage_reserveSpace == NULL) { |
Mike Lockwood | 5169054 | 2011-05-09 20:16:05 -0700 | [diff] [blame] | 310 | LOGE("Can't find MtpStorage.mReserveSpace"); |
| 311 | return -1; |
| 312 | } |
| 313 | field_MtpStorage_removable = env->GetFieldID(clazz, "mRemovable", "Z"); |
| 314 | if (field_MtpStorage_removable == NULL) { |
| 315 | LOGE("Can't find MtpStorage.mRemovable"); |
Mike Lockwood | b239b683 | 2011-04-05 10:21:27 -0400 | [diff] [blame] | 316 | return -1; |
| 317 | } |
Mike Lockwood | 7a59dd2 | 2011-07-11 09:18:03 -0400 | [diff] [blame] | 318 | field_MtpStorage_maxFileSize = env->GetFieldID(clazz, "mMaxFileSize", "J"); |
| 319 | if (field_MtpStorage_maxFileSize == NULL) { |
| 320 | LOGE("Can't find MtpStorage.mMaxFileSize"); |
| 321 | return -1; |
| 322 | } |
Mike Lockwood | b239b683 | 2011-04-05 10:21:27 -0400 | [diff] [blame] | 323 | clazz_MtpStorage = (jclass)env->NewGlobalRef(clazz); |
| 324 | |
Mike Lockwood | 0cd0136 | 2010-12-30 11:54:33 -0500 | [diff] [blame] | 325 | clazz = env->FindClass("android/mtp/MtpServer"); |
Mike Lockwood | 98ef64e | 2010-06-29 16:42:13 -0400 | [diff] [blame] | 326 | if (clazz == NULL) { |
Mike Lockwood | 0cd0136 | 2010-12-30 11:54:33 -0500 | [diff] [blame] | 327 | LOGE("Can't find android/mtp/MtpServer"); |
Mike Lockwood | 98ef64e | 2010-06-29 16:42:13 -0400 | [diff] [blame] | 328 | return -1; |
| 329 | } |
Mike Lockwood | 98ef64e | 2010-06-29 16:42:13 -0400 | [diff] [blame] | 330 | |
| 331 | return AndroidRuntime::registerNativeMethods(env, |
Mike Lockwood | 0cd0136 | 2010-12-30 11:54:33 -0500 | [diff] [blame] | 332 | "android/mtp/MtpServer", gMethods, NELEM(gMethods)); |
Mike Lockwood | 98ef64e | 2010-06-29 16:42:13 -0400 | [diff] [blame] | 333 | } |