1 /* 2 * 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 */ 16 17 #define LOG_TAG "GpsLocationProvider" 18 19 #define LOG_NDEBUG 0 20 21 #include "JNIHelp.h" 22 #include "jni.h" 23 #include "hardware/hardware.h" 24 #include "hardware/gps.h" 25 #include "hardware_legacy/power.h" 26 #include "utils/Log.h" 27 #include "utils/misc.h" 28 #include "android_runtime/AndroidRuntime.h" 29 #include "android_runtime/Log.h" 30 31 #include <arpa/inet.h> 32 #include <string.h> 33 #include <pthread.h> 34 #include <linux/in.h> 35 #include <linux/in6.h> 36 37 static jobject mCallbacksObj = NULL; 38 39 static jmethodID method_reportLocation; 40 static jmethodID method_reportStatus; 41 static jmethodID method_reportSvStatus; 42 static jmethodID method_reportAGpsStatus; 43 static jmethodID method_reportNmea; 44 static jmethodID method_setEngineCapabilities; 45 static jmethodID method_xtraDownloadRequest; 46 static jmethodID method_reportNiNotification; 47 static jmethodID method_requestRefLocation; 48 static jmethodID method_requestSetID; 49 static jmethodID method_requestUtcTime; 50 static jmethodID method_reportGeofenceTransition; 51 static jmethodID method_reportGeofenceStatus; 52 static jmethodID method_reportGeofenceAddStatus; 53 static jmethodID method_reportGeofenceRemoveStatus; 54 static jmethodID method_reportGeofencePauseStatus; 55 static jmethodID method_reportGeofenceResumeStatus; 56 static jmethodID method_reportMeasurementData; 57 static jmethodID method_reportNavigationMessages; 58 59 static const GpsInterface* sGpsInterface = NULL; 60 static const GpsXtraInterface* sGpsXtraInterface = NULL; 61 static const AGpsInterface* sAGpsInterface = NULL; 62 static const GpsNiInterface* sGpsNiInterface = NULL; 63 static const GpsDebugInterface* sGpsDebugInterface = NULL; 64 static const AGpsRilInterface* sAGpsRilInterface = NULL; 65 static const GpsGeofencingInterface* sGpsGeofencingInterface = NULL; 66 static const GpsMeasurementInterface* sGpsMeasurementInterface = NULL; 67 static const GpsNavigationMessageInterface* sGpsNavigationMessageInterface = NULL; 68 static const GnssConfigurationInterface* sGnssConfigurationInterface = NULL; 69 70 // temporary storage for GPS callbacks 71 static GpsSvStatus sGpsSvStatus; 72 static const char* sNmeaString; 73 static int sNmeaStringLength; 74 75 #define WAKE_LOCK_NAME "GPS" 76 77 namespace android { 78 79 static void checkAndClearExceptionFromCallback(JNIEnv* env, const char* methodName) { 80 if (env->ExceptionCheck()) { 81 ALOGE("An exception was thrown by callback '%s'.", methodName); 82 LOGE_EX(env); 83 env->ExceptionClear(); 84 } 85 } 86 87 static void location_callback(GpsLocation* location) 88 { 89 JNIEnv* env = AndroidRuntime::getJNIEnv(); 90 env->CallVoidMethod(mCallbacksObj, method_reportLocation, location->flags, 91 (jdouble)location->latitude, (jdouble)location->longitude, 92 (jdouble)location->altitude, 93 (jfloat)location->speed, (jfloat)location->bearing, 94 (jfloat)location->accuracy, (jlong)location->timestamp); 95 checkAndClearExceptionFromCallback(env, __FUNCTION__); 96 } 97 98 static void status_callback(GpsStatus* status) 99 { 100 JNIEnv* env = AndroidRuntime::getJNIEnv(); 101 env->CallVoidMethod(mCallbacksObj, method_reportStatus, status->status); 102 checkAndClearExceptionFromCallback(env, __FUNCTION__); 103 } 104 105 static void sv_status_callback(GpsSvStatus* sv_status) 106 { 107 JNIEnv* env = AndroidRuntime::getJNIEnv(); 108 memcpy(&sGpsSvStatus, sv_status, sizeof(sGpsSvStatus)); 109 env->CallVoidMethod(mCallbacksObj, method_reportSvStatus); 110 checkAndClearExceptionFromCallback(env, __FUNCTION__); 111 } 112 113 static void nmea_callback(GpsUtcTime timestamp, const char* nmea, int length) 114 { 115 JNIEnv* env = AndroidRuntime::getJNIEnv(); 116 // The Java code will call back to read these values 117 // We do this to avoid creating unnecessary String objects 118 sNmeaString = nmea; 119 sNmeaStringLength = length; 120 env->CallVoidMethod(mCallbacksObj, method_reportNmea, timestamp); 121 checkAndClearExceptionFromCallback(env, __FUNCTION__); 122 } 123 124 static void set_capabilities_callback(uint32_t capabilities) 125 { 126 ALOGD("set_capabilities_callback: %du\n", capabilities); 127 JNIEnv* env = AndroidRuntime::getJNIEnv(); 128 env->CallVoidMethod(mCallbacksObj, method_setEngineCapabilities, capabilities); 129 checkAndClearExceptionFromCallback(env, __FUNCTION__); 130 } 131 132 static void acquire_wakelock_callback() 133 { 134 acquire_wake_lock(PARTIAL_WAKE_LOCK, WAKE_LOCK_NAME); 135 } 136 137 static void release_wakelock_callback() 138 { 139 release_wake_lock(WAKE_LOCK_NAME); 140 } 141 142 static void request_utc_time_callback() 143 { 144 JNIEnv* env = AndroidRuntime::getJNIEnv(); 145 env->CallVoidMethod(mCallbacksObj, method_requestUtcTime); 146 checkAndClearExceptionFromCallback(env, __FUNCTION__); 147 } 148 149 static pthread_t create_thread_callback(const char* name, void (*start)(void *), void* arg) 150 { 151 return (pthread_t)AndroidRuntime::createJavaThread(name, start, arg); 152 } 153 154 GpsCallbacks sGpsCallbacks = { 155 sizeof(GpsCallbacks), 156 location_callback, 157 status_callback, 158 sv_status_callback, 159 nmea_callback, 160 set_capabilities_callback, 161 acquire_wakelock_callback, 162 release_wakelock_callback, 163 create_thread_callback, 164 request_utc_time_callback, 165 }; 166 167 static void xtra_download_request_callback() 168 { 169 JNIEnv* env = AndroidRuntime::getJNIEnv(); 170 env->CallVoidMethod(mCallbacksObj, method_xtraDownloadRequest); 171 checkAndClearExceptionFromCallback(env, __FUNCTION__); 172 } 173 174 GpsXtraCallbacks sGpsXtraCallbacks = { 175 xtra_download_request_callback, 176 create_thread_callback, 177 }; 178 179 static jbyteArray convert_to_ipv4(uint32_t ip, bool net_order) 180 { 181 if (INADDR_NONE == ip) { 182 return NULL; 183 } 184 185 JNIEnv* env = AndroidRuntime::getJNIEnv(); 186 jbyteArray byteArray = env->NewByteArray(4); 187 if (byteArray == NULL) { 188 ALOGE("Unable to allocate byte array for IPv4 address"); 189 return NULL; 190 } 191 192 jbyte ipv4[4]; 193 if (net_order) { 194 ALOGV("Converting IPv4 address(net_order) %x", ip); 195 memcpy(ipv4, &ip, sizeof(ipv4)); 196 } else { 197 ALOGV("Converting IPv4 address(host_order) %x", ip); 198 //endianess transparent conversion from int to char[] 199 ipv4[0] = (jbyte) (ip & 0xFF); 200 ipv4[1] = (jbyte)((ip>>8) & 0xFF); 201 ipv4[2] = (jbyte)((ip>>16) & 0xFF); 202 ipv4[3] = (jbyte) (ip>>24); 203 } 204 205 env->SetByteArrayRegion(byteArray, 0, 4, (const jbyte*) ipv4); 206 return byteArray; 207 } 208 209 static void agps_status_callback(AGpsStatus* agps_status) 210 { 211 JNIEnv* env = AndroidRuntime::getJNIEnv(); 212 jbyteArray byteArray = NULL; 213 bool isSupported = false; 214 215 size_t status_size = agps_status->size; 216 if (status_size == sizeof(AGpsStatus_v3)) { 217 ALOGV("AGpsStatus is V3: %d", status_size); 218 switch (agps_status->addr.ss_family) 219 { 220 case AF_INET: 221 { 222 struct sockaddr_in *in = (struct sockaddr_in*)&(agps_status->addr); 223 uint32_t *pAddr = (uint32_t*)&(in->sin_addr); 224 byteArray = convert_to_ipv4(*pAddr, true /* net_order */); 225 if (byteArray != NULL) { 226 isSupported = true; 227 } 228 IF_ALOGD() { 229 // log the IP for reference in case there is a bogus value pushed by HAL 230 char str[INET_ADDRSTRLEN]; 231 inet_ntop(AF_INET, &(in->sin_addr), str, INET_ADDRSTRLEN); 232 ALOGD("AGPS IP is v4: %s", str); 233 } 234 } 235 break; 236 case AF_INET6: 237 { 238 struct sockaddr_in6 *in6 = (struct sockaddr_in6*)&(agps_status->addr); 239 byteArray = env->NewByteArray(16); 240 if (byteArray != NULL) { 241 env->SetByteArrayRegion(byteArray, 0, 16, (const jbyte *)&(in6->sin6_addr)); 242 isSupported = true; 243 } else { 244 ALOGE("Unable to allocate byte array for IPv6 address."); 245 } 246 IF_ALOGD() { 247 // log the IP for reference in case there is a bogus value pushed by HAL 248 char str[INET6_ADDRSTRLEN]; 249 inet_ntop(AF_INET6, &(in6->sin6_addr), str, INET6_ADDRSTRLEN); 250 ALOGD("AGPS IP is v6: %s", str); 251 } 252 } 253 break; 254 default: 255 ALOGE("Invalid ss_family found: %d", agps_status->addr.ss_family); 256 break; 257 } 258 } else if (status_size >= sizeof(AGpsStatus_v2)) { 259 ALOGV("AGpsStatus is V2+: %d", status_size); 260 // for back-compatibility reasons we check in v2 that the data structure size is greater or 261 // equal to the declared size in gps.h 262 uint32_t ipaddr = agps_status->ipaddr; 263 ALOGV("AGPS IP is v4: %x", ipaddr); 264 byteArray = convert_to_ipv4(ipaddr, false /* net_order */); 265 if (ipaddr == INADDR_NONE || byteArray != NULL) { 266 isSupported = true; 267 } 268 } else if (status_size >= sizeof(AGpsStatus_v1)) { 269 ALOGV("AGpsStatus is V1+: %d", status_size); 270 // because we have to check for >= with regards to v2, we also need to relax the check here 271 // and only make sure that the size is at least what we expect 272 isSupported = true; 273 } else { 274 ALOGE("Invalid size of AGpsStatus found: %d.", status_size); 275 } 276 277 if (isSupported) { 278 jsize byteArrayLength = byteArray != NULL ? env->GetArrayLength(byteArray) : 0; 279 ALOGV("Passing AGPS IP addr: size %d", byteArrayLength); 280 env->CallVoidMethod(mCallbacksObj, method_reportAGpsStatus, agps_status->type, 281 agps_status->status, byteArray); 282 283 checkAndClearExceptionFromCallback(env, __FUNCTION__); 284 } else { 285 ALOGD("Skipping calling method_reportAGpsStatus."); 286 } 287 288 if (byteArray) { 289 env->DeleteLocalRef(byteArray); 290 } 291 } 292 293 AGpsCallbacks sAGpsCallbacks = { 294 agps_status_callback, 295 create_thread_callback, 296 }; 297 298 static void gps_ni_notify_callback(GpsNiNotification *notification) 299 { 300 ALOGD("gps_ni_notify_callback\n"); 301 JNIEnv* env = AndroidRuntime::getJNIEnv(); 302 jstring requestor_id = env->NewStringUTF(notification->requestor_id); 303 jstring text = env->NewStringUTF(notification->text); 304 jstring extras = env->NewStringUTF(notification->extras); 305 306 if (requestor_id && text && extras) { 307 env->CallVoidMethod(mCallbacksObj, method_reportNiNotification, 308 notification->notification_id, notification->ni_type, 309 notification->notify_flags, notification->timeout, 310 notification->default_response, requestor_id, text, 311 notification->requestor_id_encoding, 312 notification->text_encoding, extras); 313 } else { 314 ALOGE("out of memory in gps_ni_notify_callback\n"); 315 } 316 317 if (requestor_id) 318 env->DeleteLocalRef(requestor_id); 319 if (text) 320 env->DeleteLocalRef(text); 321 if (extras) 322 env->DeleteLocalRef(extras); 323 checkAndClearExceptionFromCallback(env, __FUNCTION__); 324 } 325 326 GpsNiCallbacks sGpsNiCallbacks = { 327 gps_ni_notify_callback, 328 create_thread_callback, 329 }; 330 331 static void agps_request_set_id(uint32_t flags) 332 { 333 JNIEnv* env = AndroidRuntime::getJNIEnv(); 334 env->CallVoidMethod(mCallbacksObj, method_requestSetID, flags); 335 checkAndClearExceptionFromCallback(env, __FUNCTION__); 336 } 337 338 static void agps_request_ref_location(uint32_t flags) 339 { 340 JNIEnv* env = AndroidRuntime::getJNIEnv(); 341 env->CallVoidMethod(mCallbacksObj, method_requestRefLocation, flags); 342 checkAndClearExceptionFromCallback(env, __FUNCTION__); 343 } 344 345 AGpsRilCallbacks sAGpsRilCallbacks = { 346 agps_request_set_id, 347 agps_request_ref_location, 348 create_thread_callback, 349 }; 350 351 static void gps_geofence_transition_callback(int32_t geofence_id, GpsLocation* location, 352 int32_t transition, GpsUtcTime timestamp) 353 { 354 JNIEnv* env = AndroidRuntime::getJNIEnv(); 355 356 env->CallVoidMethod(mCallbacksObj, method_reportGeofenceTransition, geofence_id, 357 location->flags, (jdouble)location->latitude, (jdouble)location->longitude, 358 (jdouble)location->altitude, 359 (jfloat)location->speed, (jfloat)location->bearing, 360 (jfloat)location->accuracy, (jlong)location->timestamp, 361 transition, timestamp); 362 checkAndClearExceptionFromCallback(env, __FUNCTION__); 363 }; 364 365 static void gps_geofence_status_callback(int32_t status, GpsLocation* location) 366 { 367 JNIEnv* env = AndroidRuntime::getJNIEnv(); 368 jint flags = 0; 369 jdouble latitude = 0; 370 jdouble longitude = 0; 371 jdouble altitude = 0; 372 jfloat speed = 0; 373 jfloat bearing = 0; 374 jfloat accuracy = 0; 375 jlong timestamp = 0; 376 if (location != NULL) { 377 flags = location->flags; 378 latitude = location->latitude; 379 longitude = location->longitude; 380 altitude = location->altitude; 381 speed = location->speed; 382 bearing = location->bearing; 383 accuracy = location->accuracy; 384 timestamp = location->timestamp; 385 } 386 387 env->CallVoidMethod(mCallbacksObj, method_reportGeofenceStatus, status, 388 flags, latitude, longitude, altitude, speed, bearing, accuracy, timestamp); 389 checkAndClearExceptionFromCallback(env, __FUNCTION__); 390 }; 391 392 static void gps_geofence_add_callback(int32_t geofence_id, int32_t status) 393 { 394 JNIEnv* env = AndroidRuntime::getJNIEnv(); 395 if (status != GPS_GEOFENCE_OPERATION_SUCCESS) { 396 ALOGE("Error in geofence_add_callback: %d\n", status); 397 } 398 env->CallVoidMethod(mCallbacksObj, method_reportGeofenceAddStatus, geofence_id, status); 399 checkAndClearExceptionFromCallback(env, __FUNCTION__); 400 }; 401 402 static void gps_geofence_remove_callback(int32_t geofence_id, int32_t status) 403 { 404 JNIEnv* env = AndroidRuntime::getJNIEnv(); 405 if (status != GPS_GEOFENCE_OPERATION_SUCCESS) { 406 ALOGE("Error in geofence_remove_callback: %d\n", status); 407 } 408 env->CallVoidMethod(mCallbacksObj, method_reportGeofenceRemoveStatus, geofence_id, status); 409 checkAndClearExceptionFromCallback(env, __FUNCTION__); 410 }; 411 412 static void gps_geofence_resume_callback(int32_t geofence_id, int32_t status) 413 { 414 JNIEnv* env = AndroidRuntime::getJNIEnv(); 415 if (status != GPS_GEOFENCE_OPERATION_SUCCESS) { 416 ALOGE("Error in geofence_resume_callback: %d\n", status); 417 } 418 env->CallVoidMethod(mCallbacksObj, method_reportGeofenceResumeStatus, geofence_id, status); 419 checkAndClearExceptionFromCallback(env, __FUNCTION__); 420 }; 421 422 static void gps_geofence_pause_callback(int32_t geofence_id, int32_t status) 423 { 424 JNIEnv* env = AndroidRuntime::getJNIEnv(); 425 if (status != GPS_GEOFENCE_OPERATION_SUCCESS) { 426 ALOGE("Error in geofence_pause_callback: %d\n", status); 427 } 428 env->CallVoidMethod(mCallbacksObj, method_reportGeofencePauseStatus, geofence_id, status); 429 checkAndClearExceptionFromCallback(env, __FUNCTION__); 430 }; 431 432 GpsGeofenceCallbacks sGpsGeofenceCallbacks = { 433 gps_geofence_transition_callback, 434 gps_geofence_status_callback, 435 gps_geofence_add_callback, 436 gps_geofence_remove_callback, 437 gps_geofence_pause_callback, 438 gps_geofence_resume_callback, 439 create_thread_callback, 440 }; 441 442 static void android_location_GpsLocationProvider_class_init_native(JNIEnv* env, jclass clazz) { 443 int err; 444 hw_module_t* module; 445 446 method_reportLocation = env->GetMethodID(clazz, "reportLocation", "(IDDDFFFJ)V"); 447 method_reportStatus = env->GetMethodID(clazz, "reportStatus", "(I)V"); 448 method_reportSvStatus = env->GetMethodID(clazz, "reportSvStatus", "()V"); 449 method_reportAGpsStatus = env->GetMethodID(clazz, "reportAGpsStatus", "(II[B)V"); 450 method_reportNmea = env->GetMethodID(clazz, "reportNmea", "(J)V"); 451 method_setEngineCapabilities = env->GetMethodID(clazz, "setEngineCapabilities", "(I)V"); 452 method_xtraDownloadRequest = env->GetMethodID(clazz, "xtraDownloadRequest", "()V"); 453 method_reportNiNotification = env->GetMethodID(clazz, "reportNiNotification", 454 "(IIIIILjava/lang/String;Ljava/lang/String;IILjava/lang/String;)V"); 455 method_requestRefLocation = env->GetMethodID(clazz,"requestRefLocation","(I)V"); 456 method_requestSetID = env->GetMethodID(clazz,"requestSetID","(I)V"); 457 method_requestUtcTime = env->GetMethodID(clazz,"requestUtcTime","()V"); 458 method_reportGeofenceTransition = env->GetMethodID(clazz,"reportGeofenceTransition", 459 "(IIDDDFFFJIJ)V"); 460 method_reportGeofenceStatus = env->GetMethodID(clazz,"reportGeofenceStatus", 461 "(IIDDDFFFJ)V"); 462 method_reportGeofenceAddStatus = env->GetMethodID(clazz,"reportGeofenceAddStatus", 463 "(II)V"); 464 method_reportGeofenceRemoveStatus = env->GetMethodID(clazz,"reportGeofenceRemoveStatus", 465 "(II)V"); 466 method_reportGeofenceResumeStatus = env->GetMethodID(clazz,"reportGeofenceResumeStatus", 467 "(II)V"); 468 method_reportGeofencePauseStatus = env->GetMethodID(clazz,"reportGeofencePauseStatus", 469 "(II)V"); 470 method_reportMeasurementData = env->GetMethodID( 471 clazz, 472 "reportMeasurementData", 473 "(Landroid/location/GpsMeasurementsEvent;)V"); 474 method_reportNavigationMessages = env->GetMethodID( 475 clazz, 476 "reportNavigationMessage", 477 "(Landroid/location/GpsNavigationMessageEvent;)V"); 478 479 err = hw_get_module(GPS_HARDWARE_MODULE_ID, (hw_module_t const**)&module); 480 if (err == 0) { 481 hw_device_t* device; 482 err = module->methods->open(module, GPS_HARDWARE_MODULE_ID, &device); 483 if (err == 0) { 484 gps_device_t* gps_device = (gps_device_t *)device; 485 sGpsInterface = gps_device->get_gps_interface(gps_device); 486 } 487 } 488 if (sGpsInterface) { 489 sGpsXtraInterface = 490 (const GpsXtraInterface*)sGpsInterface->get_extension(GPS_XTRA_INTERFACE); 491 sAGpsInterface = 492 (const AGpsInterface*)sGpsInterface->get_extension(AGPS_INTERFACE); 493 sGpsNiInterface = 494 (const GpsNiInterface*)sGpsInterface->get_extension(GPS_NI_INTERFACE); 495 sGpsDebugInterface = 496 (const GpsDebugInterface*)sGpsInterface->get_extension(GPS_DEBUG_INTERFACE); 497 sAGpsRilInterface = 498 (const AGpsRilInterface*)sGpsInterface->get_extension(AGPS_RIL_INTERFACE); 499 sGpsGeofencingInterface = 500 (const GpsGeofencingInterface*)sGpsInterface->get_extension(GPS_GEOFENCING_INTERFACE); 501 sGpsMeasurementInterface = 502 (const GpsMeasurementInterface*)sGpsInterface->get_extension(GPS_MEASUREMENT_INTERFACE); 503 sGpsNavigationMessageInterface = 504 (const GpsNavigationMessageInterface*)sGpsInterface->get_extension( 505 GPS_NAVIGATION_MESSAGE_INTERFACE); 506 sGnssConfigurationInterface = 507 (const GnssConfigurationInterface*)sGpsInterface->get_extension( 508 GNSS_CONFIGURATION_INTERFACE); 509 } 510 } 511 512 static jboolean android_location_GpsLocationProvider_is_supported(JNIEnv* env, jclass clazz) { 513 if (sGpsInterface != NULL) { 514 return JNI_TRUE; 515 } else { 516 return JNI_FALSE; 517 } 518 } 519 520 static jboolean android_location_GpsLocationProvider_init(JNIEnv* env, jobject obj) 521 { 522 // this must be set before calling into the HAL library 523 if (!mCallbacksObj) 524 mCallbacksObj = env->NewGlobalRef(obj); 525 526 // fail if the main interface fails to initialize 527 if (!sGpsInterface || sGpsInterface->init(&sGpsCallbacks) != 0) 528 return JNI_FALSE; 529 530 // if XTRA initialization fails we will disable it by sGpsXtraInterface to NULL, 531 // but continue to allow the rest of the GPS interface to work. 532 if (sGpsXtraInterface && sGpsXtraInterface->init(&sGpsXtraCallbacks) != 0) 533 sGpsXtraInterface = NULL; 534 if (sAGpsInterface) 535 sAGpsInterface->init(&sAGpsCallbacks); 536 if (sGpsNiInterface) 537 sGpsNiInterface->init(&sGpsNiCallbacks); 538 if (sAGpsRilInterface) 539 sAGpsRilInterface->init(&sAGpsRilCallbacks); 540 if (sGpsGeofencingInterface) 541 sGpsGeofencingInterface->init(&sGpsGeofenceCallbacks); 542 543 return JNI_TRUE; 544 } 545 546 static void android_location_GpsLocationProvider_cleanup(JNIEnv* env, jobject obj) 547 { 548 if (sGpsInterface) 549 sGpsInterface->cleanup(); 550 } 551 552 static jboolean android_location_GpsLocationProvider_set_position_mode(JNIEnv* env, jobject obj, 553 jint mode, jint recurrence, jint min_interval, jint preferred_accuracy, jint preferred_time) 554 { 555 if (sGpsInterface) { 556 if (sGpsInterface->set_position_mode(mode, recurrence, min_interval, preferred_accuracy, 557 preferred_time) == 0) { 558 return JNI_TRUE; 559 } else { 560 return JNI_FALSE; 561 } 562 } 563 else 564 return JNI_FALSE; 565 } 566 567 static jboolean android_location_GpsLocationProvider_start(JNIEnv* env, jobject obj) 568 { 569 if (sGpsInterface) { 570 if (sGpsInterface->start() == 0) { 571 return JNI_TRUE; 572 } else { 573 return JNI_FALSE; 574 } 575 } 576 else 577 return JNI_FALSE; 578 } 579 580 static jboolean android_location_GpsLocationProvider_stop(JNIEnv* env, jobject obj) 581 { 582 if (sGpsInterface) { 583 if (sGpsInterface->stop() == 0) { 584 return JNI_TRUE; 585 } else { 586 return JNI_FALSE; 587 } 588 } 589 else 590 return JNI_FALSE; 591 } 592 593 static void android_location_GpsLocationProvider_delete_aiding_data(JNIEnv* env, jobject obj, jint flags) 594 { 595 if (sGpsInterface) 596 sGpsInterface->delete_aiding_data(flags); 597 } 598 599 static jint android_location_GpsLocationProvider_read_sv_status(JNIEnv* env, jobject obj, 600 jintArray prnArray, jfloatArray snrArray, jfloatArray elevArray, jfloatArray azumArray, 601 jintArray maskArray) 602 { 603 // this should only be called from within a call to reportSvStatus 604 605 jint* prns = env->GetIntArrayElements(prnArray, 0); 606 jfloat* snrs = env->GetFloatArrayElements(snrArray, 0); 607 jfloat* elev = env->GetFloatArrayElements(elevArray, 0); 608 jfloat* azim = env->GetFloatArrayElements(azumArray, 0); 609 jint* mask = env->GetIntArrayElements(maskArray, 0); 610 611 int num_svs = sGpsSvStatus.num_svs; 612 for (int i = 0; i < num_svs; i++) { 613 prns[i] = sGpsSvStatus.sv_list[i].prn; 614 snrs[i] = sGpsSvStatus.sv_list[i].snr; 615 elev[i] = sGpsSvStatus.sv_list[i].elevation; 616 azim[i] = sGpsSvStatus.sv_list[i].azimuth; 617 } 618 mask[0] = sGpsSvStatus.ephemeris_mask; 619 mask[1] = sGpsSvStatus.almanac_mask; 620 mask[2] = sGpsSvStatus.used_in_fix_mask; 621 622 env->ReleaseIntArrayElements(prnArray, prns, 0); 623 env->ReleaseFloatArrayElements(snrArray, snrs, 0); 624 env->ReleaseFloatArrayElements(elevArray, elev, 0); 625 env->ReleaseFloatArrayElements(azumArray, azim, 0); 626 env->ReleaseIntArrayElements(maskArray, mask, 0); 627 return (jint) num_svs; 628 } 629 630 static void android_location_GpsLocationProvider_agps_set_reference_location_cellid(JNIEnv* env, 631 jobject obj, jint type, jint mcc, jint mnc, jint lac, jint cid) 632 { 633 AGpsRefLocation location; 634 635 if (!sAGpsRilInterface) { 636 ALOGE("no AGPS RIL interface in agps_set_reference_location_cellid"); 637 return; 638 } 639 640 switch(type) { 641 case AGPS_REF_LOCATION_TYPE_GSM_CELLID: 642 case AGPS_REF_LOCATION_TYPE_UMTS_CELLID: 643 location.type = type; 644 location.u.cellID.mcc = mcc; 645 location.u.cellID.mnc = mnc; 646 location.u.cellID.lac = lac; 647 location.u.cellID.cid = cid; 648 break; 649 default: 650 ALOGE("Neither a GSM nor a UMTS cellid (%s:%d).",__FUNCTION__,__LINE__); 651 return; 652 break; 653 } 654 sAGpsRilInterface->set_ref_location(&location, sizeof(location)); 655 } 656 657 static void android_location_GpsLocationProvider_agps_send_ni_message(JNIEnv* env, 658 jobject obj, jbyteArray ni_msg, jint size) 659 { 660 size_t sz; 661 662 if (!sAGpsRilInterface) { 663 ALOGE("no AGPS RIL interface in send_ni_message"); 664 return; 665 } 666 if (size < 0) 667 return; 668 sz = (size_t)size; 669 jbyte* b = env->GetByteArrayElements(ni_msg, 0); 670 sAGpsRilInterface->ni_message((uint8_t *)b,sz); 671 env->ReleaseByteArrayElements(ni_msg,b,0); 672 } 673 674 static void android_location_GpsLocationProvider_agps_set_id(JNIEnv *env, 675 jobject obj, jint type, jstring setid_string) 676 { 677 if (!sAGpsRilInterface) { 678 ALOGE("no AGPS RIL interface in agps_set_id"); 679 return; 680 } 681 682 const char *setid = env->GetStringUTFChars(setid_string, NULL); 683 sAGpsRilInterface->set_set_id(type, setid); 684 env->ReleaseStringUTFChars(setid_string, setid); 685 } 686 687 static jint android_location_GpsLocationProvider_read_nmea(JNIEnv* env, jobject obj, 688 jbyteArray nmeaArray, jint buffer_size) 689 { 690 // this should only be called from within a call to reportNmea 691 jbyte* nmea = (jbyte *)env->GetPrimitiveArrayCritical(nmeaArray, 0); 692 int length = sNmeaStringLength; 693 if (length > buffer_size) 694 length = buffer_size; 695 memcpy(nmea, sNmeaString, length); 696 env->ReleasePrimitiveArrayCritical(nmeaArray, nmea, JNI_ABORT); 697 return (jint) length; 698 } 699 700 static void android_location_GpsLocationProvider_inject_time(JNIEnv* env, jobject obj, 701 jlong time, jlong timeReference, jint uncertainty) 702 { 703 if (sGpsInterface) 704 sGpsInterface->inject_time(time, timeReference, uncertainty); 705 } 706 707 static void android_location_GpsLocationProvider_inject_location(JNIEnv* env, jobject obj, 708 jdouble latitude, jdouble longitude, jfloat accuracy) 709 { 710 if (sGpsInterface) 711 sGpsInterface->inject_location(latitude, longitude, accuracy); 712 } 713 714 static jboolean android_location_GpsLocationProvider_supports_xtra(JNIEnv* env, jobject obj) 715 { 716 if (sGpsXtraInterface != NULL) { 717 return JNI_TRUE; 718 } else { 719 return JNI_FALSE; 720 } 721 } 722 723 static void android_location_GpsLocationProvider_inject_xtra_data(JNIEnv* env, jobject obj, 724 jbyteArray data, jint length) 725 { 726 if (!sGpsXtraInterface) { 727 ALOGE("no XTRA interface in inject_xtra_data"); 728 return; 729 } 730 731 jbyte* bytes = (jbyte *)env->GetPrimitiveArrayCritical(data, 0); 732 sGpsXtraInterface->inject_xtra_data((char *)bytes, length); 733 env->ReleasePrimitiveArrayCritical(data, bytes, JNI_ABORT); 734 } 735 736 static void android_location_GpsLocationProvider_agps_data_conn_open( 737 JNIEnv* env, jobject obj, jstring apn, jint apnIpType) 738 { 739 if (!sAGpsInterface) { 740 ALOGE("no AGPS interface in agps_data_conn_open"); 741 return; 742 } 743 if (apn == NULL) { 744 jniThrowException(env, "java/lang/IllegalArgumentException", NULL); 745 return; 746 } 747 748 const char *apnStr = env->GetStringUTFChars(apn, NULL); 749 750 size_t interface_size = sAGpsInterface->size; 751 if (interface_size == sizeof(AGpsInterface_v2)) { 752 sAGpsInterface->data_conn_open_with_apn_ip_type(apnStr, apnIpType); 753 } else if (interface_size == sizeof(AGpsInterface_v1)) { 754 sAGpsInterface->data_conn_open(apnStr); 755 } else { 756 ALOGE("Invalid size of AGpsInterface found: %d.", interface_size); 757 } 758 759 env->ReleaseStringUTFChars(apn, apnStr); 760 } 761 762 static void android_location_GpsLocationProvider_agps_data_conn_closed(JNIEnv* env, jobject obj) 763 { 764 if (!sAGpsInterface) { 765 ALOGE("no AGPS interface in agps_data_conn_closed"); 766 return; 767 } 768 sAGpsInterface->data_conn_closed(); 769 } 770 771 static void android_location_GpsLocationProvider_agps_data_conn_failed(JNIEnv* env, jobject obj) 772 { 773 if (!sAGpsInterface) { 774 ALOGE("no AGPS interface in agps_data_conn_failed"); 775 return; 776 } 777 sAGpsInterface->data_conn_failed(); 778 } 779 780 static void android_location_GpsLocationProvider_set_agps_server(JNIEnv* env, jobject obj, 781 jint type, jstring hostname, jint port) 782 { 783 if (!sAGpsInterface) { 784 ALOGE("no AGPS interface in set_agps_server"); 785 return; 786 } 787 const char *c_hostname = env->GetStringUTFChars(hostname, NULL); 788 sAGpsInterface->set_server(type, c_hostname, port); 789 env->ReleaseStringUTFChars(hostname, c_hostname); 790 } 791 792 static void android_location_GpsLocationProvider_send_ni_response(JNIEnv* env, jobject obj, 793 jint notifId, jint response) 794 { 795 if (!sGpsNiInterface) { 796 ALOGE("no NI interface in send_ni_response"); 797 return; 798 } 799 800 sGpsNiInterface->respond(notifId, response); 801 } 802 803 static jstring android_location_GpsLocationProvider_get_internal_state(JNIEnv* env, jobject obj) 804 { 805 jstring result = NULL; 806 if (sGpsDebugInterface) { 807 const size_t maxLength = 2047; 808 char buffer[maxLength+1]; 809 size_t length = sGpsDebugInterface->get_internal_state(buffer, maxLength); 810 if (length > maxLength) length = maxLength; 811 buffer[length] = 0; 812 result = env->NewStringUTF(buffer); 813 } 814 return result; 815 } 816 817 static void android_location_GpsLocationProvider_update_network_state(JNIEnv* env, jobject obj, 818 jboolean connected, jint type, jboolean roaming, jboolean available, jstring extraInfo, jstring apn) 819 { 820 821 if (sAGpsRilInterface && sAGpsRilInterface->update_network_state) { 822 if (extraInfo) { 823 const char *extraInfoStr = env->GetStringUTFChars(extraInfo, NULL); 824 sAGpsRilInterface->update_network_state(connected, type, roaming, extraInfoStr); 825 env->ReleaseStringUTFChars(extraInfo, extraInfoStr); 826 } else { 827 sAGpsRilInterface->update_network_state(connected, type, roaming, NULL); 828 } 829 830 // update_network_availability callback was not included in original AGpsRilInterface 831 if (sAGpsRilInterface->size >= sizeof(AGpsRilInterface) 832 && sAGpsRilInterface->update_network_availability) { 833 const char *c_apn = env->GetStringUTFChars(apn, NULL); 834 sAGpsRilInterface->update_network_availability(available, c_apn); 835 env->ReleaseStringUTFChars(apn, c_apn); 836 } 837 } 838 } 839 840 static jboolean android_location_GpsLocationProvider_is_geofence_supported(JNIEnv* env, 841 jobject obj) { 842 if (sGpsGeofencingInterface != NULL) { 843 return JNI_TRUE; 844 } 845 return JNI_FALSE; 846 } 847 848 static jboolean android_location_GpsLocationProvider_add_geofence(JNIEnv* env, jobject obj, 849 jint geofence_id, jdouble latitude, jdouble longitude, jdouble radius, 850 jint last_transition, jint monitor_transition, jint notification_responsiveness, 851 jint unknown_timer) { 852 if (sGpsGeofencingInterface != NULL) { 853 sGpsGeofencingInterface->add_geofence_area(geofence_id, latitude, longitude, 854 radius, last_transition, monitor_transition, notification_responsiveness, 855 unknown_timer); 856 return JNI_TRUE; 857 } else { 858 ALOGE("Geofence interface not available"); 859 } 860 return JNI_FALSE; 861 } 862 863 static jboolean android_location_GpsLocationProvider_remove_geofence(JNIEnv* env, jobject obj, 864 jint geofence_id) { 865 if (sGpsGeofencingInterface != NULL) { 866 sGpsGeofencingInterface->remove_geofence_area(geofence_id); 867 return JNI_TRUE; 868 } else { 869 ALOGE("Geofence interface not available"); 870 } 871 return JNI_FALSE; 872 } 873 874 static jboolean android_location_GpsLocationProvider_pause_geofence(JNIEnv* env, jobject obj, 875 jint geofence_id) { 876 if (sGpsGeofencingInterface != NULL) { 877 sGpsGeofencingInterface->pause_geofence(geofence_id); 878 return JNI_TRUE; 879 } else { 880 ALOGE("Geofence interface not available"); 881 } 882 return JNI_FALSE; 883 } 884 885 static jboolean android_location_GpsLocationProvider_resume_geofence(JNIEnv* env, jobject obj, 886 jint geofence_id, jint monitor_transition) { 887 if (sGpsGeofencingInterface != NULL) { 888 sGpsGeofencingInterface->resume_geofence(geofence_id, monitor_transition); 889 return JNI_TRUE; 890 } else { 891 ALOGE("Geofence interface not available"); 892 } 893 return JNI_FALSE; 894 } 895 896 static jobject translate_gps_clock(JNIEnv* env, GpsClock* clock) { 897 const char* doubleSignature = "(D)V"; 898 const char* longSignature = "(J)V"; 899 900 jclass gpsClockClass = env->FindClass("android/location/GpsClock"); 901 jmethodID gpsClockCtor = env->GetMethodID(gpsClockClass, "<init>", "()V"); 902 903 jobject gpsClockObject = env->NewObject(gpsClockClass, gpsClockCtor); 904 GpsClockFlags flags = clock->flags; 905 906 if (flags & GPS_CLOCK_HAS_LEAP_SECOND) { 907 jmethodID setterMethod = env->GetMethodID(gpsClockClass, "setLeapSecond", "(S)V"); 908 env->CallVoidMethod(gpsClockObject, setterMethod, clock->leap_second); 909 } 910 911 jmethodID typeSetterMethod = env->GetMethodID(gpsClockClass, "setType", "(B)V"); 912 env->CallVoidMethod(gpsClockObject, typeSetterMethod, clock->type); 913 914 jmethodID setterMethod = env->GetMethodID(gpsClockClass, "setTimeInNs", longSignature); 915 env->CallVoidMethod(gpsClockObject, setterMethod, clock->time_ns); 916 917 if (flags & GPS_CLOCK_HAS_TIME_UNCERTAINTY) { 918 jmethodID setterMethod = 919 env->GetMethodID(gpsClockClass, "setTimeUncertaintyInNs", doubleSignature); 920 env->CallVoidMethod(gpsClockObject, setterMethod, clock->time_uncertainty_ns); 921 } 922 923 if (flags & GPS_CLOCK_HAS_FULL_BIAS) { 924 jmethodID setterMethod = env->GetMethodID(gpsClockClass, "setFullBiasInNs", longSignature); 925 env->CallVoidMethod(gpsClockObject, setterMethod, clock->full_bias_ns); 926 } 927 928 if (flags & GPS_CLOCK_HAS_BIAS) { 929 jmethodID setterMethod = env->GetMethodID(gpsClockClass, "setBiasInNs", doubleSignature); 930 env->CallVoidMethod(gpsClockObject, setterMethod, clock->bias_ns); 931 } 932 933 if (flags & GPS_CLOCK_HAS_BIAS_UNCERTAINTY) { 934 jmethodID setterMethod = 935 env->GetMethodID(gpsClockClass, "setBiasUncertaintyInNs", doubleSignature); 936 env->CallVoidMethod(gpsClockObject, setterMethod, clock->bias_uncertainty_ns); 937 } 938 939 if (flags & GPS_CLOCK_HAS_DRIFT) { 940 jmethodID setterMethod = 941 env->GetMethodID(gpsClockClass, "setDriftInNsPerSec", doubleSignature); 942 env->CallVoidMethod(gpsClockObject, setterMethod, clock->drift_nsps); 943 } 944 945 if (flags & GPS_CLOCK_HAS_DRIFT_UNCERTAINTY) { 946 jmethodID setterMethod = 947 env->GetMethodID(gpsClockClass, "setDriftUncertaintyInNsPerSec", doubleSignature); 948 env->CallVoidMethod(gpsClockObject, setterMethod, clock->drift_uncertainty_nsps); 949 } 950 951 env->DeleteLocalRef(gpsClockClass); 952 return gpsClockObject; 953 } 954 955 static jobject translate_gps_measurement(JNIEnv* env, GpsMeasurement* measurement) { 956 const char* byteSignature = "(B)V"; 957 const char* shortSignature = "(S)V"; 958 const char* intSignature = "(I)V"; 959 const char* longSignature = "(J)V"; 960 const char* floatSignature = "(F)V"; 961 const char* doubleSignature = "(D)V"; 962 963 jclass gpsMeasurementClass = env->FindClass("android/location/GpsMeasurement"); 964 jmethodID gpsMeasurementCtor = env->GetMethodID(gpsMeasurementClass, "<init>", "()V"); 965 966 jobject gpsMeasurementObject = env->NewObject(gpsMeasurementClass, gpsMeasurementCtor); 967 GpsMeasurementFlags flags = measurement->flags; 968 969 jmethodID prnSetterMethod = env->GetMethodID(gpsMeasurementClass, "setPrn", byteSignature); 970 env->CallVoidMethod(gpsMeasurementObject, prnSetterMethod, measurement->prn); 971 972 jmethodID timeOffsetSetterMethod = 973 env->GetMethodID(gpsMeasurementClass, "setTimeOffsetInNs", doubleSignature); 974 env->CallVoidMethod( 975 gpsMeasurementObject, 976 timeOffsetSetterMethod, 977 measurement->time_offset_ns); 978 979 jmethodID stateSetterMethod = env->GetMethodID(gpsMeasurementClass, "setState", shortSignature); 980 env->CallVoidMethod(gpsMeasurementObject, stateSetterMethod, measurement->state); 981 982 jmethodID receivedGpsTowSetterMethod = 983 env->GetMethodID(gpsMeasurementClass, "setReceivedGpsTowInNs", longSignature); 984 env->CallVoidMethod( 985 gpsMeasurementObject, 986 receivedGpsTowSetterMethod, 987 measurement->received_gps_tow_ns); 988 989 jmethodID receivedGpsTowUncertaintySetterMethod = env->GetMethodID( 990 gpsMeasurementClass, 991 "setReceivedGpsTowUncertaintyInNs", 992 longSignature); 993 env->CallVoidMethod( 994 gpsMeasurementObject, 995 receivedGpsTowUncertaintySetterMethod, 996 measurement->received_gps_tow_uncertainty_ns); 997 998 jmethodID cn0SetterMethod = 999 env->GetMethodID(gpsMeasurementClass, "setCn0InDbHz", doubleSignature); 1000 env->CallVoidMethod(gpsMeasurementObject, cn0SetterMethod, measurement->c_n0_dbhz); 1001 1002 jmethodID pseudorangeRateSetterMethod = env->GetMethodID( 1003 gpsMeasurementClass, 1004 "setPseudorangeRateInMetersPerSec", 1005 doubleSignature); 1006 env->CallVoidMethod( 1007 gpsMeasurementObject, 1008 pseudorangeRateSetterMethod, 1009 measurement->pseudorange_rate_mps); 1010 1011 jmethodID pseudorangeRateUncertaintySetterMethod = env->GetMethodID( 1012 gpsMeasurementClass, 1013 "setPseudorangeRateUncertaintyInMetersPerSec", 1014 doubleSignature); 1015 env->CallVoidMethod( 1016 gpsMeasurementObject, 1017 pseudorangeRateUncertaintySetterMethod, 1018 measurement->pseudorange_rate_uncertainty_mps); 1019 1020 jmethodID accumulatedDeltaRangeStateSetterMethod = 1021 env->GetMethodID(gpsMeasurementClass, "setAccumulatedDeltaRangeState", shortSignature); 1022 env->CallVoidMethod( 1023 gpsMeasurementObject, 1024 accumulatedDeltaRangeStateSetterMethod, 1025 measurement->accumulated_delta_range_state); 1026 1027 jmethodID accumulatedDeltaRangeSetterMethod = env->GetMethodID( 1028 gpsMeasurementClass, 1029 "setAccumulatedDeltaRangeInMeters", 1030 doubleSignature); 1031 env->CallVoidMethod( 1032 gpsMeasurementObject, 1033 accumulatedDeltaRangeSetterMethod, 1034 measurement->accumulated_delta_range_m); 1035 1036 jmethodID accumulatedDeltaRangeUncertaintySetterMethod = env->GetMethodID( 1037 gpsMeasurementClass, 1038 "setAccumulatedDeltaRangeUncertaintyInMeters", 1039 doubleSignature); 1040 env->CallVoidMethod( 1041 gpsMeasurementObject, 1042 accumulatedDeltaRangeUncertaintySetterMethod, 1043 measurement->accumulated_delta_range_uncertainty_m); 1044 1045 if (flags & GPS_MEASUREMENT_HAS_PSEUDORANGE) { 1046 jmethodID setterMethod = 1047 env->GetMethodID(gpsMeasurementClass, "setPseudorangeInMeters", doubleSignature); 1048 env->CallVoidMethod(gpsMeasurementObject, setterMethod, measurement->pseudorange_m); 1049 } 1050 1051 if (flags & GPS_MEASUREMENT_HAS_PSEUDORANGE_UNCERTAINTY) { 1052 jmethodID setterMethod = env->GetMethodID( 1053 gpsMeasurementClass, 1054 "setPseudorangeUncertaintyInMeters", 1055 doubleSignature); 1056 env->CallVoidMethod( 1057 gpsMeasurementObject, 1058 setterMethod, 1059 measurement->pseudorange_uncertainty_m); 1060 } 1061 1062 if (flags & GPS_MEASUREMENT_HAS_CODE_PHASE) { 1063 jmethodID setterMethod = 1064 env->GetMethodID(gpsMeasurementClass, "setCodePhaseInChips", doubleSignature); 1065 env->CallVoidMethod(gpsMeasurementObject, setterMethod, measurement->code_phase_chips); 1066 } 1067 1068 if (flags & GPS_MEASUREMENT_HAS_CODE_PHASE_UNCERTAINTY) { 1069 jmethodID setterMethod = env->GetMethodID( 1070 gpsMeasurementClass, 1071 "setCodePhaseUncertaintyInChips", 1072 doubleSignature); 1073 env->CallVoidMethod( 1074 gpsMeasurementObject, 1075 setterMethod, 1076 measurement->code_phase_uncertainty_chips); 1077 } 1078 1079 if (flags & GPS_MEASUREMENT_HAS_CARRIER_FREQUENCY) { 1080 jmethodID setterMethod = 1081 env->GetMethodID(gpsMeasurementClass, "setCarrierFrequencyInHz", floatSignature); 1082 env->CallVoidMethod( 1083 gpsMeasurementObject, 1084 setterMethod, 1085 measurement->carrier_frequency_hz); 1086 } 1087 1088 if (flags & GPS_MEASUREMENT_HAS_CARRIER_CYCLES) { 1089 jmethodID setterMethod = 1090 env->GetMethodID(gpsMeasurementClass, "setCarrierCycles", longSignature); 1091 env->CallVoidMethod(gpsMeasurementObject, setterMethod, measurement->carrier_cycles); 1092 } 1093 1094 if (flags & GPS_MEASUREMENT_HAS_CARRIER_PHASE) { 1095 jmethodID setterMethod = 1096 env->GetMethodID(gpsMeasurementClass, "setCarrierPhase", doubleSignature); 1097 env->CallVoidMethod(gpsMeasurementObject, setterMethod, measurement->carrier_phase); 1098 } 1099 1100 if (flags & GPS_MEASUREMENT_HAS_CARRIER_PHASE_UNCERTAINTY) { 1101 jmethodID setterMethod = env->GetMethodID( 1102 gpsMeasurementClass, 1103 "setCarrierPhaseUncertainty", 1104 doubleSignature); 1105 env->CallVoidMethod( 1106 gpsMeasurementObject, 1107 setterMethod, 1108 measurement->carrier_phase_uncertainty); 1109 } 1110 1111 jmethodID lossOfLockSetterMethod = 1112 env->GetMethodID(gpsMeasurementClass, "setLossOfLock", byteSignature); 1113 env->CallVoidMethod(gpsMeasurementObject, lossOfLockSetterMethod, measurement->loss_of_lock); 1114 1115 if (flags & GPS_MEASUREMENT_HAS_BIT_NUMBER) { 1116 jmethodID setterMethod = 1117 env->GetMethodID(gpsMeasurementClass, "setBitNumber", intSignature); 1118 env->CallVoidMethod(gpsMeasurementObject, setterMethod, measurement->bit_number); 1119 } 1120 1121 if (flags & GPS_MEASUREMENT_HAS_TIME_FROM_LAST_BIT) { 1122 jmethodID setterMethod = 1123 env->GetMethodID(gpsMeasurementClass, "setTimeFromLastBitInMs", shortSignature); 1124 env->CallVoidMethod( 1125 gpsMeasurementObject, 1126 setterMethod, 1127 measurement->time_from_last_bit_ms); 1128 } 1129 1130 if (flags & GPS_MEASUREMENT_HAS_DOPPLER_SHIFT) { 1131 jmethodID setterMethod = 1132 env->GetMethodID(gpsMeasurementClass, "setDopplerShiftInHz", doubleSignature); 1133 env->CallVoidMethod(gpsMeasurementObject, setterMethod, measurement->doppler_shift_hz); 1134 } 1135 1136 if (flags & GPS_MEASUREMENT_HAS_DOPPLER_SHIFT_UNCERTAINTY) { 1137 jmethodID setterMethod = env->GetMethodID( 1138 gpsMeasurementClass, 1139 "setDopplerShiftUncertaintyInHz", 1140 doubleSignature); 1141 env->CallVoidMethod( 1142 gpsMeasurementObject, 1143 setterMethod, 1144 measurement->doppler_shift_uncertainty_hz); 1145 } 1146 1147 jmethodID multipathIndicatorSetterMethod = 1148 env->GetMethodID(gpsMeasurementClass, "setMultipathIndicator", byteSignature); 1149 env->CallVoidMethod( 1150 gpsMeasurementObject, 1151 multipathIndicatorSetterMethod, 1152 measurement->multipath_indicator); 1153 1154 if (flags & GPS_MEASUREMENT_HAS_SNR) { 1155 jmethodID setterMethod = 1156 env->GetMethodID(gpsMeasurementClass, "setSnrInDb", doubleSignature); 1157 env->CallVoidMethod(gpsMeasurementObject, setterMethod, measurement->snr_db); 1158 } 1159 1160 if (flags & GPS_MEASUREMENT_HAS_ELEVATION) { 1161 jmethodID setterMethod = 1162 env->GetMethodID(gpsMeasurementClass, "setElevationInDeg", doubleSignature); 1163 env->CallVoidMethod(gpsMeasurementObject, setterMethod, measurement->elevation_deg); 1164 } 1165 1166 if (flags & GPS_MEASUREMENT_HAS_ELEVATION_UNCERTAINTY) { 1167 jmethodID setterMethod = 1168 env->GetMethodID(gpsMeasurementClass, "setElevationUncertaintyInDeg", doubleSignature); 1169 env->CallVoidMethod( 1170 gpsMeasurementObject, 1171 setterMethod, 1172 measurement->elevation_uncertainty_deg); 1173 } 1174 1175 if (flags & GPS_MEASUREMENT_HAS_AZIMUTH) { 1176 jmethodID setterMethod = 1177 env->GetMethodID(gpsMeasurementClass, "setAzimuthInDeg", doubleSignature); 1178 env->CallVoidMethod(gpsMeasurementObject, setterMethod, measurement->azimuth_deg); 1179 } 1180 1181 if (flags & GPS_MEASUREMENT_HAS_AZIMUTH_UNCERTAINTY) { 1182 jmethodID setterMethod = env->GetMethodID( 1183 gpsMeasurementClass, 1184 "setAzimuthUncertaintyInDeg", 1185 doubleSignature); 1186 env->CallVoidMethod( 1187 gpsMeasurementObject, 1188 setterMethod, 1189 measurement->azimuth_uncertainty_deg); 1190 } 1191 1192 jmethodID usedInFixSetterMethod = env->GetMethodID(gpsMeasurementClass, "setUsedInFix", "(Z)V"); 1193 env->CallVoidMethod( 1194 gpsMeasurementObject, 1195 usedInFixSetterMethod, 1196 (flags & GPS_MEASUREMENT_HAS_USED_IN_FIX) && measurement->used_in_fix); 1197 1198 return gpsMeasurementObject; 1199 } 1200 1201 static jobjectArray translate_gps_measurements(JNIEnv* env, GpsData* data) { 1202 size_t measurementCount = data->measurement_count; 1203 if (measurementCount == 0) { 1204 return NULL; 1205 } 1206 1207 jclass gpsMeasurementClass = env->FindClass("android/location/GpsMeasurement"); 1208 jobjectArray gpsMeasurementArray = env->NewObjectArray( 1209 measurementCount, 1210 gpsMeasurementClass, 1211 NULL /* initialElement */); 1212 1213 GpsMeasurement* gpsMeasurements = data->measurements; 1214 for (uint16_t i = 0; i < measurementCount; ++i) { 1215 jobject gpsMeasurement = translate_gps_measurement(env, &gpsMeasurements[i]); 1216 env->SetObjectArrayElement(gpsMeasurementArray, i, gpsMeasurement); 1217 env->DeleteLocalRef(gpsMeasurement); 1218 } 1219 1220 env->DeleteLocalRef(gpsMeasurementClass); 1221 return gpsMeasurementArray; 1222 } 1223 1224 static void measurement_callback(GpsData* data) { 1225 JNIEnv* env = AndroidRuntime::getJNIEnv(); 1226 if (data == NULL) { 1227 ALOGE("Invalid data provided to gps_measurement_callback"); 1228 return; 1229 } 1230 1231 if (data->size == sizeof(GpsData)) { 1232 jobject gpsClock = translate_gps_clock(env, &data->clock); 1233 jobjectArray measurementArray = translate_gps_measurements(env, data); 1234 1235 jclass gpsMeasurementsEventClass = env->FindClass("android/location/GpsMeasurementsEvent"); 1236 jmethodID gpsMeasurementsEventCtor = env->GetMethodID( 1237 gpsMeasurementsEventClass, 1238 "<init>", 1239 "(Landroid/location/GpsClock;[Landroid/location/GpsMeasurement;)V"); 1240 1241 jobject gpsMeasurementsEvent = env->NewObject( 1242 gpsMeasurementsEventClass, 1243 gpsMeasurementsEventCtor, 1244 gpsClock, 1245 measurementArray); 1246 1247 env->CallVoidMethod(mCallbacksObj, method_reportMeasurementData, gpsMeasurementsEvent); 1248 checkAndClearExceptionFromCallback(env, __FUNCTION__); 1249 1250 env->DeleteLocalRef(gpsClock); 1251 env->DeleteLocalRef(measurementArray); 1252 env->DeleteLocalRef(gpsMeasurementsEventClass); 1253 env->DeleteLocalRef(gpsMeasurementsEvent); 1254 } else { 1255 ALOGE("Invalid GpsData size found in gps_measurement_callback, size=%d", data->size); 1256 } 1257 } 1258 1259 GpsMeasurementCallbacks sGpsMeasurementCallbacks = { 1260 sizeof(GpsMeasurementCallbacks), 1261 measurement_callback, 1262 }; 1263 1264 static jboolean android_location_GpsLocationProvider_is_measurement_supported( 1265 JNIEnv* env, 1266 jclass clazz) { 1267 if (sGpsMeasurementInterface != NULL) { 1268 return JNI_TRUE; 1269 } 1270 return JNI_FALSE; 1271 } 1272 1273 static jboolean android_location_GpsLocationProvider_start_measurement_collection( 1274 JNIEnv* env, 1275 jobject obj) { 1276 if (sGpsMeasurementInterface == NULL) { 1277 ALOGE("Measurement interface is not available."); 1278 return JNI_FALSE; 1279 } 1280 1281 int result = sGpsMeasurementInterface->init(&sGpsMeasurementCallbacks); 1282 if (result != GPS_GEOFENCE_OPERATION_SUCCESS) { 1283 ALOGE("An error has been found on GpsMeasurementInterface::init, status=%d", result); 1284 return JNI_FALSE; 1285 } 1286 1287 return JNI_TRUE; 1288 } 1289 1290 static jboolean android_location_GpsLocationProvider_stop_measurement_collection( 1291 JNIEnv* env, 1292 jobject obj) { 1293 if (sGpsMeasurementInterface == NULL) { 1294 ALOGE("Measurement interface not available"); 1295 return JNI_FALSE; 1296 } 1297 1298 sGpsMeasurementInterface->close(); 1299 return JNI_TRUE; 1300 } 1301 1302 static jobject translate_gps_navigation_message(JNIEnv* env, GpsNavigationMessage* message) { 1303 size_t dataLength = message->data_length; 1304 uint8_t* data = message->data; 1305 if (dataLength == 0 || data == NULL) { 1306 ALOGE("Invalid Navigation Message found: data=%p, length=%d", data, dataLength); 1307 return NULL; 1308 } 1309 1310 jclass navigationMessageClass = env->FindClass("android/location/GpsNavigationMessage"); 1311 jmethodID navigationMessageCtor = env->GetMethodID(navigationMessageClass, "<init>", "()V"); 1312 jobject navigationMessageObject = env->NewObject(navigationMessageClass, navigationMessageCtor); 1313 1314 jmethodID setTypeMethod = env->GetMethodID(navigationMessageClass, "setType", "(B)V"); 1315 env->CallVoidMethod(navigationMessageObject, setTypeMethod, message->type); 1316 1317 jmethodID setPrnMethod = env->GetMethodID(navigationMessageClass, "setPrn", "(B)V"); 1318 env->CallVoidMethod(navigationMessageObject, setPrnMethod, message->prn); 1319 1320 jmethodID setMessageIdMethod = env->GetMethodID(navigationMessageClass, "setMessageId", "(S)V"); 1321 env->CallVoidMethod(navigationMessageObject, setMessageIdMethod, message->message_id); 1322 1323 jmethodID setSubmessageIdMethod = 1324 env->GetMethodID(navigationMessageClass, "setSubmessageId", "(S)V"); 1325 env->CallVoidMethod(navigationMessageObject, setSubmessageIdMethod, message->submessage_id); 1326 1327 jbyteArray dataArray = env->NewByteArray(dataLength); 1328 env->SetByteArrayRegion(dataArray, 0, dataLength, (jbyte*) data); 1329 jmethodID setDataMethod = env->GetMethodID(navigationMessageClass, "setData", "([B)V"); 1330 env->CallVoidMethod(navigationMessageObject, setDataMethod, dataArray); 1331 1332 env->DeleteLocalRef(navigationMessageClass); 1333 env->DeleteLocalRef(dataArray); 1334 return navigationMessageObject; 1335 } 1336 1337 static void navigation_message_callback(GpsNavigationMessage* message) { 1338 JNIEnv* env = AndroidRuntime::getJNIEnv(); 1339 if (message == NULL) { 1340 ALOGE("Invalid Navigation Message provided to callback"); 1341 return; 1342 } 1343 1344 if (message->size == sizeof(GpsNavigationMessage)) { 1345 jobject navigationMessage = translate_gps_navigation_message(env, message); 1346 1347 jclass navigationMessageEventClass = 1348 env->FindClass("android/location/GpsNavigationMessageEvent"); 1349 jmethodID navigationMessageEventCtor = env->GetMethodID( 1350 navigationMessageEventClass, 1351 "<init>", 1352 "(Landroid/location/GpsNavigationMessage;)V"); 1353 jobject navigationMessageEvent = env->NewObject( 1354 navigationMessageEventClass, 1355 navigationMessageEventCtor, 1356 navigationMessage); 1357 1358 env->CallVoidMethod(mCallbacksObj, method_reportNavigationMessages, navigationMessageEvent); 1359 checkAndClearExceptionFromCallback(env, __FUNCTION__); 1360 1361 env->DeleteLocalRef(navigationMessage); 1362 env->DeleteLocalRef(navigationMessageEventClass); 1363 env->DeleteLocalRef(navigationMessageEvent); 1364 } else { 1365 ALOGE("Invalid GpsNavigationMessage size found: %d", message->size); 1366 } 1367 } 1368 1369 GpsNavigationMessageCallbacks sGpsNavigationMessageCallbacks = { 1370 sizeof(GpsNavigationMessageCallbacks), 1371 navigation_message_callback, 1372 }; 1373 1374 static jboolean android_location_GpsLocationProvider_is_navigation_message_supported( 1375 JNIEnv* env, 1376 jclass clazz) { 1377 if(sGpsNavigationMessageInterface != NULL) { 1378 return JNI_TRUE; 1379 } 1380 return JNI_FALSE; 1381 } 1382 1383 static jboolean android_location_GpsLocationProvider_start_navigation_message_collection( 1384 JNIEnv* env, 1385 jobject obj) { 1386 if (sGpsNavigationMessageInterface == NULL) { 1387 ALOGE("Navigation Message interface is not available."); 1388 return JNI_FALSE; 1389 } 1390 1391 int result = sGpsNavigationMessageInterface->init(&sGpsNavigationMessageCallbacks); 1392 if (result != GPS_NAVIGATION_MESSAGE_OPERATION_SUCCESS) { 1393 ALOGE("An error has been found in %s: %d", __FUNCTION__, result); 1394 return JNI_FALSE; 1395 } 1396 1397 return JNI_TRUE; 1398 } 1399 1400 static jboolean android_location_GpsLocationProvider_stop_navigation_message_collection( 1401 JNIEnv* env, 1402 jobject obj) { 1403 if (sGpsNavigationMessageInterface == NULL) { 1404 ALOGE("Navigation Message interface is not available."); 1405 return JNI_FALSE; 1406 } 1407 1408 sGpsNavigationMessageInterface->close(); 1409 return JNI_TRUE; 1410 } 1411 1412 static void android_location_GpsLocationProvider_configuration_update(JNIEnv* env, jobject obj, 1413 jstring config_content) 1414 { 1415 if (!sGnssConfigurationInterface) { 1416 ALOGE("no GPS configuration interface in configuraiton_update"); 1417 return; 1418 } 1419 const char *data = env->GetStringUTFChars(config_content, NULL); 1420 ALOGD("GPS configuration:\n %s", data); 1421 sGnssConfigurationInterface->configuration_update( 1422 data, env->GetStringUTFLength(config_content)); 1423 env->ReleaseStringUTFChars(config_content, data); 1424 } 1425 1426 static JNINativeMethod sMethods[] = { 1427 /* name, signature, funcPtr */ 1428 {"class_init_native", "()V", (void *)android_location_GpsLocationProvider_class_init_native}, 1429 {"native_is_supported", "()Z", (void*)android_location_GpsLocationProvider_is_supported}, 1430 {"native_init", "()Z", (void*)android_location_GpsLocationProvider_init}, 1431 {"native_cleanup", "()V", (void*)android_location_GpsLocationProvider_cleanup}, 1432 {"native_set_position_mode", 1433 "(IIIII)Z", 1434 (void*)android_location_GpsLocationProvider_set_position_mode}, 1435 {"native_start", "()Z", (void*)android_location_GpsLocationProvider_start}, 1436 {"native_stop", "()Z", (void*)android_location_GpsLocationProvider_stop}, 1437 {"native_delete_aiding_data", 1438 "(I)V", 1439 (void*)android_location_GpsLocationProvider_delete_aiding_data}, 1440 {"native_read_sv_status", 1441 "([I[F[F[F[I)I", 1442 (void*)android_location_GpsLocationProvider_read_sv_status}, 1443 {"native_read_nmea", "([BI)I", (void*)android_location_GpsLocationProvider_read_nmea}, 1444 {"native_inject_time", "(JJI)V", (void*)android_location_GpsLocationProvider_inject_time}, 1445 {"native_inject_location", 1446 "(DDF)V", 1447 (void*)android_location_GpsLocationProvider_inject_location}, 1448 {"native_supports_xtra", "()Z", (void*)android_location_GpsLocationProvider_supports_xtra}, 1449 {"native_inject_xtra_data", 1450 "([BI)V", 1451 (void*)android_location_GpsLocationProvider_inject_xtra_data}, 1452 {"native_agps_data_conn_open", 1453 "(Ljava/lang/String;I)V", 1454 (void*)android_location_GpsLocationProvider_agps_data_conn_open}, 1455 {"native_agps_data_conn_closed", 1456 "()V", 1457 (void*)android_location_GpsLocationProvider_agps_data_conn_closed}, 1458 {"native_agps_data_conn_failed", 1459 "()V", 1460 (void*)android_location_GpsLocationProvider_agps_data_conn_failed}, 1461 {"native_agps_set_id", 1462 "(ILjava/lang/String;)V", 1463 (void*)android_location_GpsLocationProvider_agps_set_id}, 1464 {"native_agps_set_ref_location_cellid", 1465 "(IIIII)V", 1466 (void*)android_location_GpsLocationProvider_agps_set_reference_location_cellid}, 1467 {"native_set_agps_server", 1468 "(ILjava/lang/String;I)V", 1469 (void*)android_location_GpsLocationProvider_set_agps_server}, 1470 {"native_send_ni_response", 1471 "(II)V", 1472 (void*)android_location_GpsLocationProvider_send_ni_response}, 1473 {"native_agps_ni_message", 1474 "([BI)V", 1475 (void *)android_location_GpsLocationProvider_agps_send_ni_message}, 1476 {"native_get_internal_state", 1477 "()Ljava/lang/String;", 1478 (void*)android_location_GpsLocationProvider_get_internal_state}, 1479 {"native_update_network_state", 1480 "(ZIZZLjava/lang/String;Ljava/lang/String;)V", 1481 (void*)android_location_GpsLocationProvider_update_network_state }, 1482 {"native_is_geofence_supported", 1483 "()Z", 1484 (void*) android_location_GpsLocationProvider_is_geofence_supported}, 1485 {"native_add_geofence", 1486 "(IDDDIIII)Z", 1487 (void *)android_location_GpsLocationProvider_add_geofence}, 1488 {"native_remove_geofence", 1489 "(I)Z", 1490 (void *)android_location_GpsLocationProvider_remove_geofence}, 1491 {"native_pause_geofence", "(I)Z", (void *)android_location_GpsLocationProvider_pause_geofence}, 1492 {"native_resume_geofence", 1493 "(II)Z", 1494 (void *)android_location_GpsLocationProvider_resume_geofence}, 1495 {"native_is_measurement_supported", 1496 "()Z", 1497 (void*) android_location_GpsLocationProvider_is_measurement_supported}, 1498 {"native_start_measurement_collection", 1499 "()Z", 1500 (void*) android_location_GpsLocationProvider_start_measurement_collection}, 1501 {"native_stop_measurement_collection", 1502 "()Z", 1503 (void*) android_location_GpsLocationProvider_stop_measurement_collection}, 1504 {"native_is_navigation_message_supported", 1505 "()Z", 1506 (void*) android_location_GpsLocationProvider_is_navigation_message_supported}, 1507 {"native_start_navigation_message_collection", 1508 "()Z", 1509 (void*) android_location_GpsLocationProvider_start_navigation_message_collection}, 1510 {"native_stop_navigation_message_collection", 1511 "()Z", 1512 (void*) android_location_GpsLocationProvider_stop_navigation_message_collection}, 1513 {"native_configuration_update", 1514 "(Ljava/lang/String;)V", 1515 (void*)android_location_GpsLocationProvider_configuration_update}, 1516 }; 1517 1518 int register_android_server_location_GpsLocationProvider(JNIEnv* env) 1519 { 1520 return jniRegisterNativeMethods( 1521 env, 1522 "com/android/server/location/GpsLocationProvider", 1523 sMethods, 1524 NELEM(sMethods)); 1525 } 1526 1527 } /* namespace android */ 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