com_android_server_wifi_WifiNative.cpp revision 2fdba43e59590003d67d3f4168621eb04a9f3ccf
1/* 2 * Copyright 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 "wifi" 18 19#include "jni.h" 20#include <ScopedUtfChars.h> 21#include <utils/misc.h> 22#include <android_runtime/AndroidRuntime.h> 23#include <utils/Log.h> 24#include <utils/String16.h> 25#include <ctype.h> 26 27#include "wifi.h" 28#include "wifi_hal.h" 29#include "jni_helper.h" 30 31#define REPLY_BUF_SIZE 4096 // wpa_supplicant's maximum size. 32#define EVENT_BUF_SIZE 2048 33 34namespace android { 35 36static jint DBG = false; 37 38static bool doCommand(JNIEnv* env, jstring javaCommand, 39 char* reply, size_t reply_len) { 40 ScopedUtfChars command(env, javaCommand); 41 if (command.c_str() == NULL) { 42 return false; // ScopedUtfChars already threw on error. 43 } 44 45 if (DBG) { 46 ALOGD("doCommand: %s", command.c_str()); 47 } 48 49 --reply_len; // Ensure we have room to add NUL termination. 50 if (::wifi_command(command.c_str(), reply, &reply_len) != 0) { 51 return false; 52 } 53 54 // Strip off trailing newline. 55 if (reply_len > 0 && reply[reply_len-1] == '\n') { 56 reply[reply_len-1] = '\0'; 57 } else { 58 reply[reply_len] = '\0'; 59 } 60 return true; 61} 62 63static jint doIntCommand(JNIEnv* env, jstring javaCommand) { 64 char reply[REPLY_BUF_SIZE]; 65 if (!doCommand(env, javaCommand, reply, sizeof(reply))) { 66 return -1; 67 } 68 return static_cast<jint>(atoi(reply)); 69} 70 71static jboolean doBooleanCommand(JNIEnv* env, jstring javaCommand) { 72 char reply[REPLY_BUF_SIZE]; 73 if (!doCommand(env, javaCommand, reply, sizeof(reply))) { 74 return JNI_FALSE; 75 } 76 return (strcmp(reply, "OK") == 0); 77} 78 79// Send a command to the supplicant, and return the reply as a String. 80static jstring doStringCommand(JNIEnv* env, jstring javaCommand) { 81 char reply[REPLY_BUF_SIZE]; 82 if (!doCommand(env, javaCommand, reply, sizeof(reply))) { 83 return NULL; 84 } 85 return env->NewStringUTF(reply); 86} 87 88static jboolean android_net_wifi_isDriverLoaded(JNIEnv* env, jobject) 89{ 90 return (::is_wifi_driver_loaded() == 1); 91} 92 93static jboolean android_net_wifi_loadDriver(JNIEnv* env, jobject) 94{ 95 return (::wifi_load_driver() == 0); 96} 97 98static jboolean android_net_wifi_unloadDriver(JNIEnv* env, jobject) 99{ 100 return (::wifi_unload_driver() == 0); 101} 102 103static jboolean android_net_wifi_startSupplicant(JNIEnv* env, jobject, jboolean p2pSupported) 104{ 105 return (::wifi_start_supplicant(p2pSupported) == 0); 106} 107 108static jboolean android_net_wifi_killSupplicant(JNIEnv* env, jobject, jboolean p2pSupported) 109{ 110 return (::wifi_stop_supplicant(p2pSupported) == 0); 111} 112 113static jboolean android_net_wifi_connectToSupplicant(JNIEnv* env, jobject) 114{ 115 return (::wifi_connect_to_supplicant() == 0); 116} 117 118static void android_net_wifi_closeSupplicantConnection(JNIEnv* env, jobject) 119{ 120 ::wifi_close_supplicant_connection(); 121} 122 123static jstring android_net_wifi_waitForEvent(JNIEnv* env, jobject) 124{ 125 char buf[EVENT_BUF_SIZE]; 126 int nread = ::wifi_wait_for_event(buf, sizeof buf); 127 if (nread > 0) { 128 return env->NewStringUTF(buf); 129 } else { 130 return NULL; 131 } 132} 133 134static jboolean android_net_wifi_doBooleanCommand(JNIEnv* env, jobject, jstring javaCommand) { 135 return doBooleanCommand(env, javaCommand); 136} 137 138static jint android_net_wifi_doIntCommand(JNIEnv* env, jobject, jstring javaCommand) { 139 return doIntCommand(env, javaCommand); 140} 141 142static jstring android_net_wifi_doStringCommand(JNIEnv* env, jobject, jstring javaCommand) { 143 return doStringCommand(env,javaCommand); 144} 145 146/* wifi_hal <==> WifiNative bridge */ 147 148static jclass mCls; /* saved WifiNative object */ 149static JavaVM *mVM; /* saved JVM pointer */ 150 151static const char *WifiHandleVarName = "sWifiHalHandle"; 152static const char *WifiIfaceHandleVarName = "sWifiIfaceHandles"; 153static jmethodID OnScanResultsMethodID; 154 155static JNIEnv *getEnv() { 156 JNIEnv *env = NULL; 157 mVM->AttachCurrentThread(&env, NULL); 158 return env; 159} 160 161static wifi_handle getWifiHandle(JNIEnv *env, jclass cls) { 162 return (wifi_handle) getStaticLongField(env, cls, WifiHandleVarName); 163} 164 165static wifi_interface_handle getIfaceHandle(JNIEnv *env, jclass cls, jint index) { 166 return (wifi_interface_handle) getStaticLongArrayField(env, cls, WifiIfaceHandleVarName, index); 167} 168 169static jobject createScanResult(JNIEnv *env, wifi_scan_result *result) { 170 171 // ALOGD("creating scan result"); 172 173 jobject scanResult = createObject(env, "android/net/wifi/ScanResult"); 174 if (scanResult == NULL) { 175 ALOGE("Error in creating scan result"); 176 return NULL; 177 } 178 179 // ALOGD("setting SSID to %s", result.ssid); 180 setStringField(env, scanResult, "SSID", result->ssid); 181 182 char bssid[32]; 183 sprintf(bssid, "%02x:%02x:%02x:%02x:%02x:%02x", result->bssid[0], result->bssid[1], 184 result->bssid[2], result->bssid[3], result->bssid[4], result->bssid[5]); 185 186 setStringField(env, scanResult, "BSSID", bssid); 187 188 setIntField(env, scanResult, "level", result->rssi); 189 setIntField(env, scanResult, "frequency", result->channel); 190 setLongField(env, scanResult, "timestamp", result->ts); 191 192 return scanResult; 193} 194 195static jboolean android_net_wifi_startHal(JNIEnv* env, jclass cls) { 196 wifi_handle halHandle = getWifiHandle(env, cls); 197 198 if (halHandle == NULL) { 199 wifi_error res = wifi_initialize(&halHandle); 200 if (res == WIFI_SUCCESS) { 201 setStaticLongField(env, cls, WifiHandleVarName, (jlong)halHandle); 202 ALOGD("Did set static halHandle = %p", halHandle); 203 } 204 env->GetJavaVM(&mVM); 205 mCls = (jclass) env->NewGlobalRef(cls); 206 ALOGD("halHandle = %p, mVM = %p, mCls = %p", halHandle, mVM, mCls); 207 return res == WIFI_SUCCESS; 208 } else { 209 return true; 210 } 211} 212 213void android_net_wifi_hal_cleaned_up_handler(wifi_handle handle) { 214 ALOGD("In wifi cleaned up handler"); 215 216 JNIEnv * env = getEnv(); 217 setStaticLongField(env, mCls, WifiHandleVarName, 0); 218 env->DeleteGlobalRef(mCls); 219 mCls = NULL; 220 mVM = NULL; 221} 222 223static void android_net_wifi_stopHal(JNIEnv* env, jclass cls) { 224 ALOGD("In wifi stop Hal"); 225 wifi_handle halHandle = getWifiHandle(env, cls); 226 wifi_cleanup(halHandle, android_net_wifi_hal_cleaned_up_handler); 227} 228 229static void android_net_wifi_waitForHalEvents(JNIEnv* env, jclass cls) { 230 231 ALOGD("waitForHalEvents called, vm = %p, obj = %p, env = %p", mVM, mCls, env); 232 233 wifi_handle halHandle = getWifiHandle(env, cls); 234 wifi_event_loop(halHandle); 235} 236 237static int android_net_wifi_getInterfaces(JNIEnv *env, jclass cls) { 238 int n = 0; 239 wifi_handle halHandle = getWifiHandle(env, cls); 240 wifi_interface_handle *ifaceHandles = NULL; 241 int result = wifi_get_ifaces(halHandle, &n, &ifaceHandles); 242 if (result < 0) { 243 return result; 244 } 245 246 if (n < 0) { 247 THROW(env, "android_net_wifi_getInterfaces no interfaces"); 248 return 0; 249 } 250 251 if (ifaceHandles == NULL) { 252 THROW(env, "android_net_wifi_getInterfaces null interface array"); 253 return 0; 254 } 255 256 if (n > 8) { 257 THROW(env, "Too many interfaces"); 258 return 0; 259 } 260 261 jlongArray array = (env)->NewLongArray(n); 262 if (array == NULL) { 263 THROW(env, "Error in accessing array"); 264 return 0; 265 } 266 267 jlong elems[8]; 268 for (int i = 0; i < n; i++) { 269 elems[i] = reinterpret_cast<jlong>(ifaceHandles[i]); 270 } 271 env->SetLongArrayRegion(array, 0, n, elems); 272 setStaticLongArrayField(env, cls, WifiIfaceHandleVarName, array); 273 274 return (result < 0) ? result : n; 275} 276 277static jstring android_net_wifi_getInterfaceName(JNIEnv *env, jclass cls, jint i) { 278 char buf[EVENT_BUF_SIZE]; 279 280 jlong value = getStaticLongArrayField(env, cls, WifiIfaceHandleVarName, i); 281 wifi_interface_handle handle = (wifi_interface_handle) value; 282 int result = ::wifi_get_iface_name(handle, buf, sizeof(buf)); 283 if (result < 0) { 284 return NULL; 285 } else { 286 return env->NewStringUTF(buf); 287 } 288} 289 290 291static void onScanResultsAvailable(wifi_request_id id, unsigned num_results) { 292 293 JNIEnv *env = NULL; 294 mVM->AttachCurrentThread(&env, NULL); 295 296 ALOGD("onScanResultsAvailable called, vm = %p, obj = %p, env = %p", mVM, mCls, env); 297 298 reportEvent(env, mCls, "onScanResultsAvailable", "(I)V", id); 299} 300 301static void onScanEvent(wifi_scan_event event, unsigned status) { 302 JNIEnv *env = NULL; 303 mVM->AttachCurrentThread(&env, NULL); 304 305 ALOGD("onScanStatus called, vm = %p, obj = %p, env = %p", mVM, mCls, env); 306 307 reportEvent(env, mCls, "onScanStatus", "(I)V", status); 308} 309 310static void onFullScanResult(wifi_request_id id, wifi_scan_result *result) { 311 312 JNIEnv *env = NULL; 313 mVM->AttachCurrentThread(&env, NULL); 314 315 ALOGD("onFullScanResult called, vm = %p, obj = %p, env = %p", mVM, mCls, env); 316 317 jobject scanResult = createScanResult(env, result); 318 319 ALOGD("Creating a byte array of length %d", result->ie_length); 320 321 jbyteArray elements = env->NewByteArray(result->ie_length); 322 if (elements == NULL) { 323 ALOGE("Error in allocating array"); 324 return; 325 } 326 327 ALOGE("Setting byte array"); 328 329 jbyte *bytes = (jbyte *)&(result->ie_data[0]); 330 env->SetByteArrayRegion(elements, 0, result->ie_length, bytes); 331 332 ALOGE("Returning result"); 333 334 reportEvent(env, mCls, "onFullScanResult", "(ILandroid/net/wifi/ScanResult;[B)V", id, 335 scanResult, elements); 336 337 env->DeleteLocalRef(scanResult); 338 env->DeleteLocalRef(elements); 339} 340 341static jboolean android_net_wifi_startScan( 342 JNIEnv *env, jclass cls, jint iface, jint id, jobject settings) { 343 344 wifi_interface_handle handle = getIfaceHandle(env, cls, iface); 345 ALOGD("starting scan on interface[%d] = %p", iface, handle); 346 347 wifi_scan_cmd_params params; 348 memset(¶ms, 0, sizeof(params)); 349 350 params.base_period = getIntField(env, settings, "base_period_ms"); 351 params.max_ap_per_scan = getIntField(env, settings, "max_ap_per_scan"); 352 params.report_threshold_percent = getIntField(env, settings, "report_threshold_percent"); 353 params.report_threshold_num_scans = getIntField(env, settings, "report_threshold_num_scans"); 354 355 ALOGD("Initialized common fields %d, %d, %d, %d", params.base_period, params.max_ap_per_scan, 356 params.report_threshold_percent, params.report_threshold_num_scans); 357 358 const char *bucket_array_type = "[Lcom/android/server/wifi/WifiNative$BucketSettings;"; 359 const char *channel_array_type = "[Lcom/android/server/wifi/WifiNative$ChannelSettings;"; 360 361 jobjectArray buckets = (jobjectArray)getObjectField(env, settings, "buckets", bucket_array_type); 362 params.num_buckets = getIntField(env, settings, "num_buckets"); 363 364 ALOGD("Initialized num_buckets to %d", params.num_buckets); 365 366 for (int i = 0; i < params.num_buckets; i++) { 367 jobject bucket = getObjectArrayField(env, settings, "buckets", bucket_array_type, i); 368 369 params.buckets[i].bucket = getIntField(env, bucket, "bucket"); 370 params.buckets[i].band = (wifi_band) getIntField(env, bucket, "band"); 371 params.buckets[i].period = getIntField(env, bucket, "period_ms"); 372 373 ALOGD("Initialized common bucket fields %d:%d:%d", params.buckets[i].bucket, 374 params.buckets[i].band, params.buckets[i].period); 375 376 int report_events = getIntField(env, bucket, "report_events"); 377 params.buckets[i].report_events = report_events; 378 379 ALOGD("Initialized report events to %d", params.buckets[i].report_events); 380 381 jobjectArray channels = (jobjectArray)getObjectField( 382 env, bucket, "channels", channel_array_type); 383 384 params.buckets[i].num_channels = getIntField(env, bucket, "num_channels"); 385 ALOGD("Initialized num_channels to %d", params.buckets[i].num_channels); 386 387 for (int j = 0; j < params.buckets[i].num_channels; j++) { 388 jobject channel = getObjectArrayField(env, bucket, "channels", channel_array_type, j); 389 390 params.buckets[i].channels[j].channel = getIntField(env, channel, "frequency"); 391 params.buckets[i].channels[j].dwellTimeMs = getIntField(env, channel, "dwell_time_ms"); 392 393 bool passive = getBoolField(env, channel, "passive"); 394 params.buckets[i].channels[j].passive = (passive ? 1 : 0); 395 396 ALOGD("Initialized channel %d", params.buckets[i].channels[j].channel); 397 } 398 } 399 400 ALOGD("Initialized all fields"); 401 402 wifi_scan_result_handler handler; 403 memset(&handler, 0, sizeof(handler)); 404 handler.on_scan_results_available = &onScanResultsAvailable; 405 handler.on_full_scan_result = &onFullScanResult; 406 handler.on_scan_event = &onScanEvent; 407 408 return wifi_start_gscan(id, handle, params, handler) == WIFI_SUCCESS; 409} 410 411static jboolean android_net_wifi_stopScan(JNIEnv *env, jclass cls, jint iface, jint id) { 412 wifi_interface_handle handle = getIfaceHandle(env, cls, iface); 413 ALOGD("stopping scan on interface[%d] = %p", iface, handle); 414 415 return wifi_stop_gscan(id, handle) == WIFI_SUCCESS; 416} 417 418static int compare_scan_result_timestamp(const void *v1, const void *v2) { 419 const wifi_scan_result *result1 = static_cast<const wifi_scan_result *>(v1); 420 const wifi_scan_result *result2 = static_cast<const wifi_scan_result *>(v2); 421 return result1->ts - result2->ts; 422} 423 424static jobject android_net_wifi_getScanResults( 425 JNIEnv *env, jclass cls, jint iface, jboolean flush) { 426 427 wifi_cached_scan_results scan_data[64]; 428 int num_scan_data = 64; 429 430 wifi_interface_handle handle = getIfaceHandle(env, cls, iface); 431 ALOGD("getting scan results on interface[%d] = %p", iface, handle); 432 433 byte b = flush ? 0 : 0xFF; 434 int result = wifi_get_cached_gscan_results(handle, b, num_scan_data, scan_data, &num_scan_data); 435 if (result == WIFI_SUCCESS) { 436 jobjectArray scanData = createObjectArray(env, 437 "android/net/wifi/WifiScanner$ScanData", num_scan_data); 438 if (scanData == NULL) { 439 ALOGE("Error in allocating array of scanData"); 440 return NULL; 441 } 442 443 for (int i = 0; i < num_scan_data; i++) { 444 445 jobject data = createObject(env, "android/net/wifi/WifiScanner$ScanData"); 446 if (data == NULL) { 447 ALOGE("Error in allocating scanData"); 448 return NULL; 449 } 450 451 setIntField(env, data, "mId", scan_data[i].scan_id); 452 setIntField(env, data, "mFlags", scan_data[i].flags); 453 454 /* sort all scan results by timestamp */ 455 qsort(scan_data[i].results, scan_data[i].num_results, 456 sizeof(wifi_scan_result), compare_scan_result_timestamp); 457 458 jobjectArray scanResults = createObjectArray(env, 459 "android/net/wifi/ScanResult", scan_data[i].num_results); 460 if (scanResults == NULL) { 461 ALOGE("Error in allocating scanResult array"); 462 return NULL; 463 } 464 465 wifi_scan_result *results = scan_data[i].results; 466 for (int j = 0; j < scan_data[i].num_results; j++) { 467 468 jobject scanResult = createObject(env, "android/net/wifi/ScanResult"); 469 if (scanResult == NULL) { 470 ALOGE("Error in creating scan result"); 471 return NULL; 472 } 473 474 setStringField(env, scanResult, "SSID", results[j].ssid); 475 476 char bssid[32]; 477 sprintf(bssid, "%02x:%02x:%02x:%02x:%02x:%02x", results[j].bssid[0], 478 results[j].bssid[1], results[j].bssid[2], results[j].bssid[3], 479 results[j].bssid[4], results[j].bssid[5]); 480 481 setStringField(env, scanResult, "BSSID", bssid); 482 483 setIntField(env, scanResult, "level", results[j].rssi); 484 setIntField(env, scanResult, "frequency", results[j].channel); 485 setLongField(env, scanResult, "timestamp", results[j].ts); 486 487 env->SetObjectArrayElement(scanResults, j, scanResult); 488 env->DeleteLocalRef(scanResult); 489 } 490 491 setObjectField(env, data, "mResults", "[Landroid/net/wifi/ScanResult;", scanResults); 492 env->SetObjectArrayElement(scanData, i, data); 493 } 494 495 return scanData; 496 } else { 497 return NULL; 498 } 499} 500 501 502static jboolean android_net_wifi_getScanCapabilities( 503 JNIEnv *env, jclass cls, jint iface, jobject capabilities) { 504 505 wifi_interface_handle handle = getIfaceHandle(env, cls, iface); 506 ALOGD("getting scan capabilities on interface[%d] = %p", iface, handle); 507 508 wifi_gscan_capabilities c; 509 memset(&c, 0, sizeof(c)); 510 int result = wifi_get_gscan_capabilities(handle, &c); 511 if (result != WIFI_SUCCESS) { 512 ALOGD("failed to get capabilities : %d", result); 513 return JNI_FALSE; 514 } 515 516 setIntField(env, capabilities, "max_scan_cache_size", c.max_scan_cache_size); 517 setIntField(env, capabilities, "max_scan_buckets", c.max_scan_buckets); 518 setIntField(env, capabilities, "max_ap_cache_per_scan", c.max_ap_cache_per_scan); 519 setIntField(env, capabilities, "max_rssi_sample_size", c.max_rssi_sample_size); 520 setIntField(env, capabilities, "max_scan_reporting_threshold", c.max_scan_reporting_threshold); 521 setIntField(env, capabilities, "max_hotlist_aps", c.max_hotlist_aps); 522 setIntField(env, capabilities, "max_significant_wifi_change_aps", 523 c.max_significant_wifi_change_aps); 524 525 return JNI_TRUE; 526} 527 528 529static byte parseHexChar(char ch) { 530 if (isdigit(ch)) 531 return ch - '0'; 532 else if ('A' <= ch && ch <= 'F') 533 return ch - 'A' + 10; 534 else if ('a' <= ch && ch <= 'f') 535 return ch - 'a' + 10; 536 else { 537 ALOGE("invalid character in bssid %c", ch); 538 return 0; 539 } 540} 541 542static byte parseHexByte(const char * &str) { 543 byte b = parseHexChar(str[0]); 544 if (str[1] == ':' || str[1] == '\0') { 545 str += 2; 546 return b; 547 } else { 548 b = b << 4 | parseHexChar(str[1]); 549 str += 3; 550 return b; 551 } 552} 553 554static void parseMacAddress(const char *str, mac_addr addr) { 555 addr[0] = parseHexByte(str); 556 addr[1] = parseHexByte(str); 557 addr[2] = parseHexByte(str); 558 addr[3] = parseHexByte(str); 559 addr[4] = parseHexByte(str); 560 addr[5] = parseHexByte(str); 561} 562 563static bool parseMacAddress(JNIEnv *env, jobject obj, mac_addr addr) { 564 jstring macAddrString = (jstring) getObjectField( 565 env, obj, "bssid", "Ljava/lang/String;"); 566 567 if (macAddrString == NULL) { 568 ALOGE("Error getting bssid field"); 569 return false; 570 } 571 572 const char *bssid = env->GetStringUTFChars(macAddrString, NULL); 573 if (bssid == NULL) { 574 ALOGE("Error getting bssid"); 575 return false; 576 } 577 578 parseMacAddress(bssid, addr); 579 return true; 580} 581 582static void onHotlistApFound(wifi_request_id id, 583 unsigned num_results, wifi_scan_result *results) { 584 585 JNIEnv *env = NULL; 586 mVM->AttachCurrentThread(&env, NULL); 587 588 ALOGD("onHotlistApFound called, vm = %p, obj = %p, env = %p, num_results = %d", 589 mVM, mCls, env, num_results); 590 591 jclass clsScanResult = (env)->FindClass("android/net/wifi/ScanResult"); 592 if (clsScanResult == NULL) { 593 ALOGE("Error in accessing class"); 594 return; 595 } 596 597 jobjectArray scanResults = env->NewObjectArray(num_results, clsScanResult, NULL); 598 if (scanResults == NULL) { 599 ALOGE("Error in allocating array"); 600 return; 601 } 602 603 for (unsigned i = 0; i < num_results; i++) { 604 605 jobject scanResult = createObject(env, "android/net/wifi/ScanResult"); 606 if (scanResult == NULL) { 607 ALOGE("Error in creating scan result"); 608 return; 609 } 610 611 setStringField(env, scanResult, "SSID", results[i].ssid); 612 613 char bssid[32]; 614 sprintf(bssid, "%02x:%02x:%02x:%02x:%02x:%02x", results[i].bssid[0], results[i].bssid[1], 615 results[i].bssid[2], results[i].bssid[3], results[i].bssid[4], results[i].bssid[5]); 616 617 setStringField(env, scanResult, "BSSID", bssid); 618 619 setIntField(env, scanResult, "level", results[i].rssi); 620 setIntField(env, scanResult, "frequency", results[i].channel); 621 setLongField(env, scanResult, "timestamp", results[i].ts); 622 623 env->SetObjectArrayElement(scanResults, i, scanResult); 624 625 ALOGD("Found AP %32s %s", results[i].ssid, bssid); 626 } 627 628 reportEvent(env, mCls, "onHotlistApFound", "(I[Landroid/net/wifi/ScanResult;)V", 629 id, scanResults); 630} 631 632static void onHotlistApLost(wifi_request_id id, 633 unsigned num_results, wifi_scan_result *results) { 634 635 JNIEnv *env = NULL; 636 mVM->AttachCurrentThread(&env, NULL); 637 638 ALOGD("onHotlistApLost called, vm = %p, obj = %p, env = %p, num_results = %d", 639 mVM, mCls, env, num_results); 640 641 jclass clsScanResult = (env)->FindClass("android/net/wifi/ScanResult"); 642 if (clsScanResult == NULL) { 643 ALOGE("Error in accessing class"); 644 return; 645 } 646 647 jobjectArray scanResults = env->NewObjectArray(num_results, clsScanResult, NULL); 648 if (scanResults == NULL) { 649 ALOGE("Error in allocating array"); 650 return; 651 } 652 653 for (unsigned i = 0; i < num_results; i++) { 654 655 jobject scanResult = createObject(env, "android/net/wifi/ScanResult"); 656 if (scanResult == NULL) { 657 ALOGE("Error in creating scan result"); 658 return; 659 } 660 661 setStringField(env, scanResult, "SSID", results[i].ssid); 662 663 char bssid[32]; 664 sprintf(bssid, "%02x:%02x:%02x:%02x:%02x:%02x", results[i].bssid[0], results[i].bssid[1], 665 results[i].bssid[2], results[i].bssid[3], results[i].bssid[4], results[i].bssid[5]); 666 667 setStringField(env, scanResult, "BSSID", bssid); 668 669 setIntField(env, scanResult, "level", results[i].rssi); 670 setIntField(env, scanResult, "frequency", results[i].channel); 671 setLongField(env, scanResult, "timestamp", results[i].ts); 672 673 env->SetObjectArrayElement(scanResults, i, scanResult); 674 675 ALOGD("Lost AP %32s %s", results[i].ssid, bssid); 676 } 677 678 reportEvent(env, mCls, "onHotlistApLost", "(I[Landroid/net/wifi/ScanResult;)V", 679 id, scanResults); 680} 681 682 683static jboolean android_net_wifi_setHotlist( 684 JNIEnv *env, jclass cls, jint iface, jint id, jobject ap) { 685 686 wifi_interface_handle handle = getIfaceHandle(env, cls, iface); 687 ALOGD("setting hotlist on interface[%d] = %p", iface, handle); 688 689 wifi_bssid_hotlist_params params; 690 memset(¶ms, 0, sizeof(params)); 691 692 params.lost_ap_sample_size = getIntField(env, ap, "apLostThreshold"); 693 694 jobjectArray array = (jobjectArray) getObjectField(env, ap, 695 "bssidInfos", "[Landroid/net/wifi/WifiScanner$BssidInfo;"); 696 params.num_ap = env->GetArrayLength(array); 697 698 if (params.num_ap == 0) { 699 ALOGE("Error in accesing array"); 700 return false; 701 } 702 703 for (int i = 0; i < params.num_ap; i++) { 704 jobject objAp = env->GetObjectArrayElement(array, i); 705 706 jstring macAddrString = (jstring) getObjectField( 707 env, objAp, "bssid", "Ljava/lang/String;"); 708 if (macAddrString == NULL) { 709 ALOGE("Error getting bssid field"); 710 return false; 711 } 712 713 const char *bssid = env->GetStringUTFChars(macAddrString, NULL); 714 if (bssid == NULL) { 715 ALOGE("Error getting bssid"); 716 return false; 717 } 718 parseMacAddress(bssid, params.ap[i].bssid); 719 720 mac_addr addr; 721 memcpy(addr, params.ap[i].bssid, sizeof(mac_addr)); 722 723 char bssidOut[32]; 724 sprintf(bssidOut, "%0x:%0x:%0x:%0x:%0x:%0x", addr[0], addr[1], 725 addr[2], addr[3], addr[4], addr[5]); 726 727 ALOGD("Added bssid %s", bssidOut); 728 729 params.ap[i].low = getIntField(env, objAp, "low"); 730 params.ap[i].high = getIntField(env, objAp, "high"); 731 } 732 733 wifi_hotlist_ap_found_handler handler; 734 memset(&handler, 0, sizeof(handler)); 735 736 handler.on_hotlist_ap_found = &onHotlistApFound; 737 handler.on_hotlist_ap_lost = &onHotlistApLost; 738 return wifi_set_bssid_hotlist(id, handle, params, handler) == WIFI_SUCCESS; 739} 740 741static jboolean android_net_wifi_resetHotlist( 742 JNIEnv *env, jclass cls, jint iface, jint id) { 743 744 wifi_interface_handle handle = getIfaceHandle(env, cls, iface); 745 ALOGD("resetting hotlist on interface[%d] = %p", iface, handle); 746 747 return wifi_reset_bssid_hotlist(id, handle) == WIFI_SUCCESS; 748} 749 750void onSignificantWifiChange(wifi_request_id id, 751 unsigned num_results, wifi_significant_change_result **results) { 752 JNIEnv *env = NULL; 753 mVM->AttachCurrentThread(&env, NULL); 754 755 ALOGD("onSignificantWifiChange called, vm = %p, obj = %p, env = %p", mVM, mCls, env); 756 757 jclass clsScanResult = (env)->FindClass("android/net/wifi/ScanResult"); 758 if (clsScanResult == NULL) { 759 ALOGE("Error in accessing class"); 760 return; 761 } 762 763 jobjectArray scanResults = env->NewObjectArray(num_results, clsScanResult, NULL); 764 if (scanResults == NULL) { 765 ALOGE("Error in allocating array"); 766 return; 767 } 768 769 for (unsigned i = 0; i < num_results; i++) { 770 771 wifi_significant_change_result &result = *(results[i]); 772 773 jobject scanResult = createObject(env, "android/net/wifi/ScanResult"); 774 if (scanResult == NULL) { 775 ALOGE("Error in creating scan result"); 776 return; 777 } 778 779 // setStringField(env, scanResult, "SSID", results[i].ssid); 780 781 char bssid[32]; 782 sprintf(bssid, "%02x:%02x:%02x:%02x:%02x:%02x", result.bssid[0], result.bssid[1], 783 result.bssid[2], result.bssid[3], result.bssid[4], result.bssid[5]); 784 785 setStringField(env, scanResult, "BSSID", bssid); 786 787 setIntField(env, scanResult, "level", result.rssi[0]); 788 setIntField(env, scanResult, "frequency", result.channel); 789 // setLongField(env, scanResult, "timestamp", result.ts); 790 791 env->SetObjectArrayElement(scanResults, i, scanResult); 792 } 793 794 reportEvent(env, mCls, "onSignificantWifiChange", "(I[Landroid/net/wifi/ScanResult;)V", 795 id, scanResults); 796 797} 798 799static jboolean android_net_wifi_trackSignificantWifiChange( 800 JNIEnv *env, jclass cls, jint iface, jint id, jobject settings) { 801 802 wifi_interface_handle handle = getIfaceHandle(env, cls, iface); 803 ALOGD("tracking significant wifi change on interface[%d] = %p", iface, handle); 804 805 wifi_significant_change_params params; 806 memset(¶ms, 0, sizeof(params)); 807 808 params.rssi_sample_size = getIntField(env, settings, "rssiSampleSize"); 809 params.lost_ap_sample_size = getIntField(env, settings, "lostApSampleSize"); 810 params.min_breaching = getIntField(env, settings, "minApsBreachingThreshold"); 811 812 const char *bssid_info_array_type = "[Landroid/net/wifi/WifiScanner$BssidInfo;"; 813 jobjectArray bssids = (jobjectArray)getObjectField( 814 env, settings, "bssidInfos", bssid_info_array_type); 815 params.num_ap = env->GetArrayLength(bssids); 816 817 if (params.num_ap == 0) { 818 ALOGE("Error in accessing array"); 819 return false; 820 } 821 822 ALOGD("Initialized common fields %d, %d, %d, %d", params.rssi_sample_size, 823 params.lost_ap_sample_size, params.min_breaching, params.num_ap); 824 825 for (int i = 0; i < params.num_ap; i++) { 826 jobject objAp = env->GetObjectArrayElement(bssids, i); 827 828 jstring macAddrString = (jstring) getObjectField( 829 env, objAp, "bssid", "Ljava/lang/String;"); 830 if (macAddrString == NULL) { 831 ALOGE("Error getting bssid field"); 832 return false; 833 } 834 835 const char *bssid = env->GetStringUTFChars(macAddrString, NULL); 836 if (bssid == NULL) { 837 ALOGE("Error getting bssid"); 838 return false; 839 } 840 841 mac_addr addr; 842 parseMacAddress(bssid, addr); 843 memcpy(params.ap[i].bssid, addr, sizeof(mac_addr)); 844 845 char bssidOut[32]; 846 sprintf(bssidOut, "%02x:%02x:%02x:%02x:%02x:%02x", addr[0], addr[1], 847 addr[2], addr[3], addr[4], addr[5]); 848 849 params.ap[i].low = getIntField(env, objAp, "low"); 850 params.ap[i].high = getIntField(env, objAp, "high"); 851 852 ALOGD("Added bssid %s, [%04d, %04d]", bssidOut, params.ap[i].low, params.ap[i].high); 853 } 854 855 ALOGD("Added %d bssids", params.num_ap); 856 857 wifi_significant_change_handler handler; 858 memset(&handler, 0, sizeof(handler)); 859 860 handler.on_significant_change = &onSignificantWifiChange; 861 return wifi_set_significant_change_handler(id, handle, params, handler) == WIFI_SUCCESS; 862} 863 864static jboolean android_net_wifi_untrackSignificantWifiChange( 865 JNIEnv *env, jclass cls, jint iface, jint id) { 866 867 wifi_interface_handle handle = getIfaceHandle(env, cls, iface); 868 ALOGD("resetting significant wifi change on interface[%d] = %p", iface, handle); 869 870 return wifi_reset_significant_change_handler(id, handle) == WIFI_SUCCESS; 871} 872 873wifi_iface_stat link_stat; 874wifi_radio_stat radio_stat; // L release has support for only one radio 875 876void onLinkStatsResults(wifi_request_id id, wifi_iface_stat *iface_stat, 877 int num_radios, wifi_radio_stat *radio_stats) 878{ 879 if (iface_stat != 0) { 880 memcpy(&link_stat, iface_stat, sizeof(wifi_iface_stat)); 881 } else { 882 memset(&link_stat, 0, sizeof(wifi_iface_stat)); 883 } 884 885 if (num_radios > 0 && radio_stats != 0) { 886 memcpy(&radio_stat, radio_stats, sizeof(wifi_radio_stat)); 887 } else { 888 memset(&radio_stat, 0, sizeof(wifi_radio_stat)); 889 } 890} 891 892static jobject android_net_wifi_getLinkLayerStats (JNIEnv *env, jclass cls, jint iface) { 893 894 wifi_stats_result_handler handler; 895 memset(&handler, 0, sizeof(handler)); 896 handler.on_link_stats_results = &onLinkStatsResults; 897 wifi_interface_handle handle = getIfaceHandle(env, cls, iface); 898 int result = wifi_get_link_stats(0, handle, handler); 899 if (result < 0) { 900 ALOGE("android_net_wifi_getLinkLayerStats: failed to get link statistics\n"); 901 return NULL; 902 } 903 904 jobject wifiLinkLayerStats = createObject(env, "android/net/wifi/WifiLinkLayerStats"); 905 if (wifiLinkLayerStats == NULL) { 906 ALOGE("Error in allocating wifiLinkLayerStats"); 907 return NULL; 908 } 909 910 setIntField(env, wifiLinkLayerStats, "beacon_rx", link_stat.beacon_rx); 911 setIntField(env, wifiLinkLayerStats, "rssi_mgmt", link_stat.rssi_mgmt); 912 setLongField(env, wifiLinkLayerStats, "rxmpdu_be", link_stat.ac[WIFI_AC_BE].rx_mpdu); 913 setLongField(env, wifiLinkLayerStats, "rxmpdu_bk", link_stat.ac[WIFI_AC_BK].rx_mpdu); 914 setLongField(env, wifiLinkLayerStats, "rxmpdu_vi", link_stat.ac[WIFI_AC_VI].rx_mpdu); 915 setLongField(env, wifiLinkLayerStats, "rxmpdu_vo", link_stat.ac[WIFI_AC_VO].rx_mpdu); 916 setLongField(env, wifiLinkLayerStats, "txmpdu_be", link_stat.ac[WIFI_AC_BE].tx_mpdu); 917 setLongField(env, wifiLinkLayerStats, "txmpdu_bk", link_stat.ac[WIFI_AC_BK].tx_mpdu); 918 setLongField(env, wifiLinkLayerStats, "txmpdu_vi", link_stat.ac[WIFI_AC_VI].tx_mpdu); 919 setLongField(env, wifiLinkLayerStats, "txmpdu_vo", link_stat.ac[WIFI_AC_VO].tx_mpdu); 920 setLongField(env, wifiLinkLayerStats, "lostmpdu_be", link_stat.ac[WIFI_AC_BE].mpdu_lost); 921 setLongField(env, wifiLinkLayerStats, "lostmpdu_bk", link_stat.ac[WIFI_AC_BK].mpdu_lost); 922 setLongField(env, wifiLinkLayerStats, "lostmpdu_vi", link_stat.ac[WIFI_AC_VI].mpdu_lost); 923 setLongField(env, wifiLinkLayerStats, "lostmpdu_vo", link_stat.ac[WIFI_AC_VO].mpdu_lost); 924 setLongField(env, wifiLinkLayerStats, "retries_be", link_stat.ac[WIFI_AC_BE].retries); 925 setLongField(env, wifiLinkLayerStats, "retries_bk", link_stat.ac[WIFI_AC_BK].retries); 926 setLongField(env, wifiLinkLayerStats, "retries_vi", link_stat.ac[WIFI_AC_VI].retries); 927 setLongField(env, wifiLinkLayerStats, "retries_vo", link_stat.ac[WIFI_AC_VO].retries); 928 929 930 setIntField(env, wifiLinkLayerStats, "on_time", radio_stat.on_time); 931 setIntField(env, wifiLinkLayerStats, "tx_time", radio_stat.tx_time); 932 setIntField(env, wifiLinkLayerStats, "rx_time", radio_stat.rx_time); 933 setIntField(env, wifiLinkLayerStats, "on_time_scan", radio_stat.on_time_scan); 934 935 return wifiLinkLayerStats; 936} 937 938static jint android_net_wifi_getSupportedFeatures(JNIEnv *env, jclass cls, jint iface) { 939 wifi_interface_handle handle = getIfaceHandle(env, cls, iface); 940 feature_set set = 0; 941 942 wifi_error result = WIFI_SUCCESS; 943 /* 944 set = WIFI_FEATURE_INFRA 945 | WIFI_FEATURE_INFRA_5G 946 | WIFI_FEATURE_HOTSPOT 947 | WIFI_FEATURE_P2P 948 | WIFI_FEATURE_SOFT_AP 949 | WIFI_FEATURE_GSCAN 950 | WIFI_FEATURE_PNO 951 | WIFI_FEATURE_TDLS 952 | WIFI_FEATURE_EPR; 953 */ 954 955 result = wifi_get_supported_feature_set(handle, &set); 956 if (result == WIFI_SUCCESS) { 957 /* Temporary workaround for RTT capability */ 958 set = set | WIFI_FEATURE_D2AP_RTT; 959 ALOGD("wifi_get_supported_feature_set returned set = 0x%x", set); 960 return set; 961 } else { 962 ALOGD("wifi_get_supported_feature_set returned error = 0x%x", result); 963 return 0; 964 } 965} 966 967static void onRttResults(wifi_request_id id, unsigned num_results, wifi_rtt_result results[]) { 968 JNIEnv *env = NULL; 969 mVM->AttachCurrentThread(&env, NULL); 970 971 ALOGD("onRttResults called, vm = %p, obj = %p, env = %p", mVM, mCls, env); 972 973 jclass clsRttResult = (env)->FindClass("android/net/wifi/RttManager$RttResult"); 974 if (clsRttResult == NULL) { 975 ALOGE("Error in accessing class"); 976 return; 977 } 978 979 jobjectArray rttResults = env->NewObjectArray(num_results, clsRttResult, NULL); 980 if (rttResults == NULL) { 981 ALOGE("Error in allocating array"); 982 return; 983 } 984 985 for (unsigned i = 0; i < num_results; i++) { 986 987 wifi_rtt_result& result = results[i]; 988 989 jobject rttResult = createObject(env, "android/net/wifi/RttManager$RttResult"); 990 if (rttResult == NULL) { 991 ALOGE("Error in creating rtt result"); 992 return; 993 } 994 995 char bssid[32]; 996 sprintf(bssid, "%02x:%02x:%02x:%02x:%02x:%02x", result.addr[0], result.addr[1], 997 result.addr[2], result.addr[3], result.addr[4], result.addr[5]); 998 999 setStringField(env, rttResult, "bssid", bssid); 1000 setIntField(env, rttResult, "status", result.status); 1001 setIntField(env, rttResult, "requestType", result.type); 1002 setLongField(env, rttResult, "ts", result.ts); 1003 setIntField(env, rttResult, "rssi", result.rssi); 1004 setIntField(env, rttResult, "rssi_spread", result.rssi_spread); 1005 setIntField(env, rttResult, "tx_rate", result.tx_rate.bitrate); 1006 setLongField(env, rttResult, "rtt_ns", result.rtt); 1007 setLongField(env, rttResult, "rtt_sd_ns", result.rtt_sd); 1008 setLongField(env, rttResult, "rtt_spread_ns", result.rtt_spread); 1009 setIntField(env, rttResult, "distance_cm", result.distance); 1010 setIntField(env, rttResult, "distance_sd_cm", result.distance_sd); 1011 setIntField(env, rttResult, "distance_spread_cm", result.distance_spread); 1012 1013 env->SetObjectArrayElement(rttResults, i, rttResult); 1014 } 1015 1016 reportEvent(env, mCls, "onRttResults", "(I[Landroid/net/wifi/RttManager$RttResult;)V", 1017 id, rttResults); 1018} 1019 1020const int MaxRttConfigs = 16; 1021 1022static jboolean android_net_wifi_requestRange( 1023 JNIEnv *env, jclass cls, jint iface, jint id, jobject params) { 1024 1025 wifi_interface_handle handle = getIfaceHandle(env, cls, iface); 1026 ALOGD("sending rtt request [%d] = %p", id, handle); 1027 1028 wifi_rtt_config configs[MaxRttConfigs]; 1029 memset(&configs, 0, sizeof(configs)); 1030 1031 int len = env->GetArrayLength((jobjectArray)params); 1032 if (len > MaxRttConfigs) { 1033 return false; 1034 } 1035 1036 for (int i = 0; i < len; i++) { 1037 1038 jobject param = env->GetObjectArrayElement((jobjectArray)params, i); 1039 if (param == NULL) { 1040 ALOGD("could not get element %d", i); 1041 continue; 1042 } 1043 1044 wifi_rtt_config &config = configs[i]; 1045 1046 parseMacAddress(env, param, config.addr); 1047 config.type = (wifi_rtt_type)getIntField(env, param, "requestType"); 1048 config.peer = (wifi_peer_type)getIntField(env, param, "deviceType"); 1049 config.channel.center_freq = getIntField(env, param, "frequency"); 1050 config.channel.width = (wifi_channel_width)getIntField(env, param, "channelWidth"); 1051 config.num_samples_per_measurement = getIntField(env, param, "num_samples"); 1052 config.num_retries_per_measurement = getIntField(env, param, "num_retries"); 1053 } 1054 1055 wifi_rtt_event_handler handler; 1056 handler.on_rtt_results = &onRttResults; 1057 1058 return wifi_rtt_range_request(id, handle, len, configs, handler) == WIFI_SUCCESS; 1059} 1060 1061static jboolean android_net_wifi_cancelRange( 1062 JNIEnv *env, jclass cls, jint iface, jint id, jobject params) { 1063 1064 wifi_interface_handle handle = getIfaceHandle(env, cls, iface); 1065 ALOGD("cancelling rtt request [%d] = %p", id, handle); 1066 1067 mac_addr addrs[MaxRttConfigs]; 1068 memset(&addrs, 0, sizeof(addrs)); 1069 1070 int len = env->GetArrayLength((jobjectArray)params); 1071 if (len > MaxRttConfigs) { 1072 return false; 1073 } 1074 1075 for (int i = 0; i < len; i++) { 1076 1077 jobject param = env->GetObjectArrayElement((jobjectArray)params, i); 1078 if (param == NULL) { 1079 ALOGD("could not get element %d", i); 1080 continue; 1081 } 1082 1083 parseMacAddress(env, param, addrs[i]); 1084 } 1085 1086 return wifi_rtt_range_cancel(id, handle, len, addrs) == WIFI_SUCCESS; 1087} 1088 1089static jboolean android_net_wifi_setScanningMacOui(JNIEnv *env, jclass cls, 1090 jint iface, jbyteArray param) { 1091 1092 wifi_interface_handle handle = getIfaceHandle(env, cls, iface); 1093 ALOGD("setting scan oui %p", handle); 1094 1095 static const unsigned oui_len = 3; /* OUI is upper 3 bytes of mac_address */ 1096 int len = env->GetArrayLength(param); 1097 if (len != oui_len) { 1098 ALOGE("invalid oui length %d", len); 1099 return false; 1100 } 1101 1102 jbyte* bytes = env->GetByteArrayElements(param, NULL); 1103 if (bytes == NULL) { 1104 ALOGE("failed to get array"); 1105 return false; 1106 } 1107 1108 return wifi_set_scanning_mac_oui(handle, (byte *)bytes) == WIFI_SUCCESS; 1109} 1110 1111static jintArray android_net_wifi_getValidChannels(JNIEnv *env, jclass cls, 1112 jint iface, jint band) { 1113 1114 wifi_interface_handle handle = getIfaceHandle(env, cls, iface); 1115 ALOGD("getting valid channels %p", handle); 1116 1117 static const int MaxChannels = 64; 1118 wifi_channel channels[64]; 1119 int num_channels = 0; 1120 wifi_error result = wifi_get_valid_channels(handle, band, MaxChannels, 1121 channels, &num_channels); 1122 1123 if (result == WIFI_SUCCESS) { 1124 jintArray channelArray = env->NewIntArray(num_channels); 1125 if (channelArray == NULL) { 1126 ALOGE("failed to allocate channel list"); 1127 return NULL; 1128 } 1129 1130 env->SetIntArrayRegion(channelArray, 0, num_channels, channels); 1131 return channelArray; 1132 } else { 1133 ALOGE("failed to get channel list : %d", result); 1134 return NULL; 1135 } 1136} 1137 1138static jboolean android_net_wifi_setDfsFlag(JNIEnv *env, jclass cls, jint iface, jboolean dfs) { 1139 wifi_interface_handle handle = getIfaceHandle(env, cls, iface); 1140 ALOGD("setting dfs flag to %s, %p", dfs ? "true" : "false", handle); 1141 1142 u32 nodfs = dfs ? 0 : 1; 1143 wifi_error result = wifi_set_nodfs_flag(handle, nodfs); 1144 return result == WIFI_SUCCESS; 1145} 1146 1147// ---------------------------------------------------------------------------- 1148 1149/* 1150 * JNI registration. 1151 */ 1152static JNINativeMethod gWifiMethods[] = { 1153 /* name, signature, funcPtr */ 1154 1155 { "loadDriver", "()Z", (void *)android_net_wifi_loadDriver }, 1156 { "isDriverLoaded", "()Z", (void *)android_net_wifi_isDriverLoaded }, 1157 { "unloadDriver", "()Z", (void *)android_net_wifi_unloadDriver }, 1158 { "startSupplicant", "(Z)Z", (void *)android_net_wifi_startSupplicant }, 1159 { "killSupplicant", "(Z)Z", (void *)android_net_wifi_killSupplicant }, 1160 { "connectToSupplicantNative", "()Z", (void *)android_net_wifi_connectToSupplicant }, 1161 { "closeSupplicantConnectionNative", "()V", 1162 (void *)android_net_wifi_closeSupplicantConnection }, 1163 { "waitForEventNative", "()Ljava/lang/String;", (void*)android_net_wifi_waitForEvent }, 1164 { "doBooleanCommandNative", "(Ljava/lang/String;)Z", (void*)android_net_wifi_doBooleanCommand }, 1165 { "doIntCommandNative", "(Ljava/lang/String;)I", (void*)android_net_wifi_doIntCommand }, 1166 { "doStringCommandNative", "(Ljava/lang/String;)Ljava/lang/String;", 1167 (void*) android_net_wifi_doStringCommand }, 1168 { "startHalNative", "()Z", (void*) android_net_wifi_startHal }, 1169 { "stopHalNative", "()V", (void*) android_net_wifi_stopHal }, 1170 { "waitForHalEventNative", "()V", (void*) android_net_wifi_waitForHalEvents }, 1171 { "getInterfacesNative", "()I", (void*) android_net_wifi_getInterfaces}, 1172 { "getInterfaceNameNative", "(I)Ljava/lang/String;", (void*) android_net_wifi_getInterfaceName}, 1173 { "getScanCapabilitiesNative", "(ILcom/android/server/wifi/WifiNative$ScanCapabilities;)Z", 1174 (void *) android_net_wifi_getScanCapabilities}, 1175 { "startScanNative", "(IILcom/android/server/wifi/WifiNative$ScanSettings;)Z", 1176 (void*) android_net_wifi_startScan}, 1177 { "stopScanNative", "(II)Z", (void*) android_net_wifi_stopScan}, 1178 { "getScanResultsNative", "(IZ)[Landroid/net/wifi/WifiScanner$ScanData;", 1179 (void *) android_net_wifi_getScanResults}, 1180 { "setHotlistNative", "(IILandroid/net/wifi/WifiScanner$HotlistSettings;)Z", 1181 (void*) android_net_wifi_setHotlist}, 1182 { "resetHotlistNative", "(II)Z", (void*) android_net_wifi_resetHotlist}, 1183 { "trackSignificantWifiChangeNative", "(IILandroid/net/wifi/WifiScanner$WifiChangeSettings;)Z", 1184 (void*) android_net_wifi_trackSignificantWifiChange}, 1185 { "untrackSignificantWifiChangeNative", "(II)Z", 1186 (void*) android_net_wifi_untrackSignificantWifiChange}, 1187 { "getWifiLinkLayerStatsNative", "(I)Landroid/net/wifi/WifiLinkLayerStats;", 1188 (void*) android_net_wifi_getLinkLayerStats}, 1189 { "getSupportedFeatureSetNative", "(I)I", 1190 (void*) android_net_wifi_getSupportedFeatures}, 1191 { "requestRangeNative", "(II[Landroid/net/wifi/RttManager$RttParams;)Z", 1192 (void*) android_net_wifi_requestRange}, 1193 { "cancelRangeRequestNative", "(II[Landroid/net/wifi/RttManager$RttParams;)Z", 1194 (void*) android_net_wifi_cancelRange}, 1195 { "setScanningMacOuiNative", "(I[B)Z", (void*) android_net_wifi_setScanningMacOui}, 1196 { "getChannelsForBandNative", "(II)[I", (void*) android_net_wifi_getValidChannels}, 1197 { "setDfsFlagNative", "(IZ)Z", (void*) android_net_wifi_setDfsFlag } 1198}; 1199 1200int register_android_net_wifi_WifiNative(JNIEnv* env) { 1201 return AndroidRuntime::registerNativeMethods(env, 1202 "com/android/server/wifi/WifiNative", gWifiMethods, NELEM(gWifiMethods)); 1203} 1204 1205 1206/* User to register native functions */ 1207extern "C" 1208jint Java_com_android_server_wifi_WifiNative_registerNatives(JNIEnv* env, jclass clazz) { 1209 return AndroidRuntime::registerNativeMethods(env, 1210 "com/android/server/wifi/WifiNative", gWifiMethods, NELEM(gWifiMethods)); 1211} 1212 1213}; // namespace android 1214