com_android_server_wifi_WifiNative.cpp revision 9b5fbb7be00bbd41d4efdb1ac6c641f4628b0cd9
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#include <sys/socket.h> 27#include <linux/if.h> 28 29#include "wifi.h" 30#include "wifi_hal.h" 31#include "jni_helper.h" 32 33#define REPLY_BUF_SIZE 4096 // wpa_supplicant's maximum size. 34#define EVENT_BUF_SIZE 2048 35 36namespace android { 37 38static jint DBG = false; 39 40static bool doCommand(JNIEnv* env, jstring javaCommand, 41 char* reply, size_t reply_len) { 42 ScopedUtfChars command(env, javaCommand); 43 if (command.c_str() == NULL) { 44 return false; // ScopedUtfChars already threw on error. 45 } 46 47 if (DBG) { 48 ALOGD("doCommand: %s", command.c_str()); 49 } 50 51 --reply_len; // Ensure we have room to add NUL termination. 52 if (::wifi_command(command.c_str(), reply, &reply_len) != 0) { 53 return false; 54 } 55 56 // Strip off trailing newline. 57 if (reply_len > 0 && reply[reply_len-1] == '\n') { 58 reply[reply_len-1] = '\0'; 59 } else { 60 reply[reply_len] = '\0'; 61 } 62 return true; 63} 64 65static jint doIntCommand(JNIEnv* env, jstring javaCommand) { 66 char reply[REPLY_BUF_SIZE]; 67 if (!doCommand(env, javaCommand, reply, sizeof(reply))) { 68 return -1; 69 } 70 return static_cast<jint>(atoi(reply)); 71} 72 73static jboolean doBooleanCommand(JNIEnv* env, jstring javaCommand) { 74 char reply[REPLY_BUF_SIZE]; 75 if (!doCommand(env, javaCommand, reply, sizeof(reply))) { 76 return JNI_FALSE; 77 } 78 return (strcmp(reply, "OK") == 0); 79} 80 81// Send a command to the supplicant, and return the reply as a String. 82static jstring doStringCommand(JNIEnv* env, jstring javaCommand) { 83 char reply[REPLY_BUF_SIZE]; 84 if (!doCommand(env, javaCommand, reply, sizeof(reply))) { 85 return NULL; 86 } 87 return env->NewStringUTF(reply); 88} 89 90static jboolean android_net_wifi_isDriverLoaded(JNIEnv* env, jobject) 91{ 92 return (::is_wifi_driver_loaded() == 1); 93} 94 95static jboolean android_net_wifi_loadDriver(JNIEnv* env, jobject) 96{ 97 return (::wifi_load_driver() == 0); 98} 99 100static jboolean android_net_wifi_unloadDriver(JNIEnv* env, jobject) 101{ 102 return (::wifi_unload_driver() == 0); 103} 104 105static jboolean android_net_wifi_startSupplicant(JNIEnv* env, jobject, jboolean p2pSupported) 106{ 107 return (::wifi_start_supplicant(p2pSupported) == 0); 108} 109 110static jboolean android_net_wifi_killSupplicant(JNIEnv* env, jobject, jboolean p2pSupported) 111{ 112 return (::wifi_stop_supplicant(p2pSupported) == 0); 113} 114 115static jboolean android_net_wifi_connectToSupplicant(JNIEnv* env, jobject) 116{ 117 return (::wifi_connect_to_supplicant() == 0); 118} 119 120static void android_net_wifi_closeSupplicantConnection(JNIEnv* env, jobject) 121{ 122 ::wifi_close_supplicant_connection(); 123} 124 125static jstring android_net_wifi_waitForEvent(JNIEnv* env, jobject) 126{ 127 char buf[EVENT_BUF_SIZE]; 128 int nread = ::wifi_wait_for_event(buf, sizeof buf); 129 if (nread > 0) { 130 return env->NewStringUTF(buf); 131 } else { 132 return NULL; 133 } 134} 135 136static jboolean android_net_wifi_doBooleanCommand(JNIEnv* env, jobject, jstring javaCommand) { 137 return doBooleanCommand(env, javaCommand); 138} 139 140static jint android_net_wifi_doIntCommand(JNIEnv* env, jobject, jstring javaCommand) { 141 return doIntCommand(env, javaCommand); 142} 143 144static jstring android_net_wifi_doStringCommand(JNIEnv* env, jobject, jstring javaCommand) { 145 return doStringCommand(env,javaCommand); 146} 147 148/* wifi_hal <==> WifiNative bridge */ 149 150static jclass mCls; /* saved WifiNative object */ 151static JavaVM *mVM; /* saved JVM pointer */ 152 153static const char *WifiHandleVarName = "sWifiHalHandle"; 154static const char *WifiIfaceHandleVarName = "sWifiIfaceHandles"; 155static jmethodID OnScanResultsMethodID; 156 157static JNIEnv *getEnv() { 158 JNIEnv *env = NULL; 159 mVM->AttachCurrentThread(&env, NULL); 160 return env; 161} 162 163static wifi_handle getWifiHandle(JNIEnv *env, jclass cls) { 164 return (wifi_handle) getStaticLongField(env, cls, WifiHandleVarName); 165} 166 167static wifi_interface_handle getIfaceHandle(JNIEnv *env, jclass cls, jint index) { 168 return (wifi_interface_handle) getStaticLongArrayField(env, cls, WifiIfaceHandleVarName, index); 169} 170 171static jobject createScanResult(JNIEnv *env, wifi_scan_result *result) { 172 173 // ALOGD("creating scan result"); 174 175 jobject scanResult = createObject(env, "android/net/wifi/ScanResult"); 176 if (scanResult == NULL) { 177 ALOGE("Error in creating scan result"); 178 return NULL; 179 } 180 181 // ALOGD("setting SSID to %s", result.ssid); 182 setStringField(env, scanResult, "SSID", result->ssid); 183 184 char bssid[32]; 185 sprintf(bssid, "%02x:%02x:%02x:%02x:%02x:%02x", result->bssid[0], result->bssid[1], 186 result->bssid[2], result->bssid[3], result->bssid[4], result->bssid[5]); 187 188 setStringField(env, scanResult, "BSSID", bssid); 189 190 setIntField(env, scanResult, "level", result->rssi); 191 setIntField(env, scanResult, "frequency", result->channel); 192 setLongField(env, scanResult, "timestamp", result->ts); 193 194 return scanResult; 195} 196 197int set_iface_flags(const char *ifname, int dev_up) { 198 struct ifreq ifr; 199 int ret; 200 201 int sock = socket(PF_INET, SOCK_DGRAM, 0); 202 if (sock < 0) { 203 ALOGD("Bad socket: %d\n", sock); 204 return -errno; 205 } 206 207 ALOGD("setting interface %s flags (%s)\n", ifname, dev_up ? "UP" : "DOWN"); 208 209 memset(&ifr, 0, sizeof(ifr)); 210 strlcpy(ifr.ifr_name, ifname, IFNAMSIZ); 211 212 ALOGD("reading old value\n"); 213 214 if (ioctl(sock, SIOCGIFFLAGS, &ifr) != 0) { 215 ret = errno ? -errno : -999; 216 ALOGD("Could not read interface %s flags: %d\n", ifname, errno); 217 close(sock); 218 return ret; 219 } else { 220 ALOGD("writing new value\n"); 221 } 222 223 if (dev_up) { 224 if (ifr.ifr_flags & IFF_UP) { 225 ALOGD("interface %s is already up\n", ifname); 226 close(sock); 227 return 0; 228 } 229 ifr.ifr_flags |= IFF_UP; 230 } else { 231 if (!(ifr.ifr_flags & IFF_UP)) { 232 ALOGD("interface %s is already down\n", ifname); 233 close(sock); 234 return 0; 235 } 236 ifr.ifr_flags &= ~IFF_UP; 237 } 238 239 if (ioctl(sock, SIOCSIFFLAGS, &ifr) != 0) { 240 ALOGD("Could not set interface %s flags \n", ifname); 241 close(sock); 242 return ret; 243 } else { 244 ALOGD("set interface %s flags (%s)\n", ifname, dev_up ? "UP" : "DOWN"); 245 } 246 close(sock); 247 return 0; 248} 249 250static jboolean android_net_wifi_startHal(JNIEnv* env, jclass cls) { 251 wifi_handle halHandle = getWifiHandle(env, cls); 252 if (halHandle == NULL) { 253 int ret = set_iface_flags("wlan0", 1); 254 if(ret != 0) { 255 return false; 256 } 257 wifi_error res = wifi_initialize(&halHandle); 258 if (res == WIFI_SUCCESS) { 259 setStaticLongField(env, cls, WifiHandleVarName, (jlong)halHandle); 260 ALOGD("Did set static halHandle = %p", halHandle); 261 } 262 env->GetJavaVM(&mVM); 263 mCls = (jclass) env->NewGlobalRef(cls); 264 ALOGD("halHandle = %p, mVM = %p, mCls = %p", halHandle, mVM, mCls); 265 return res == WIFI_SUCCESS; 266 } else { 267 return (set_iface_flags("wlan0", 1) == 0); 268 } 269} 270 271void android_net_wifi_hal_cleaned_up_handler(wifi_handle handle) { 272 ALOGD("In wifi cleaned up handler"); 273 274 JNIEnv * env = getEnv(); 275 setStaticLongField(env, mCls, WifiHandleVarName, 0); 276 env->DeleteGlobalRef(mCls); 277 mCls = NULL; 278 mVM = NULL; 279} 280 281static void android_net_wifi_stopHal(JNIEnv* env, jclass cls) { 282 ALOGD("In wifi stop Hal"); 283 wifi_handle halHandle = getWifiHandle(env, cls); 284 wifi_cleanup(halHandle, android_net_wifi_hal_cleaned_up_handler); 285 set_iface_flags("wlan0", 0); 286} 287 288static void android_net_wifi_waitForHalEvents(JNIEnv* env, jclass cls) { 289 290 ALOGD("waitForHalEvents called, vm = %p, obj = %p, env = %p", mVM, mCls, env); 291 292 wifi_handle halHandle = getWifiHandle(env, cls); 293 wifi_event_loop(halHandle); 294} 295 296static int android_net_wifi_getInterfaces(JNIEnv *env, jclass cls) { 297 int n = 0; 298 wifi_handle halHandle = getWifiHandle(env, cls); 299 wifi_interface_handle *ifaceHandles = NULL; 300 int result = wifi_get_ifaces(halHandle, &n, &ifaceHandles); 301 if (result < 0) { 302 return result; 303 } 304 305 if (n < 0) { 306 THROW(env, "android_net_wifi_getInterfaces no interfaces"); 307 return 0; 308 } 309 310 if (ifaceHandles == NULL) { 311 THROW(env, "android_net_wifi_getInterfaces null interface array"); 312 return 0; 313 } 314 315 if (n > 8) { 316 THROW(env, "Too many interfaces"); 317 return 0; 318 } 319 320 jlongArray array = (env)->NewLongArray(n); 321 if (array == NULL) { 322 THROW(env, "Error in accessing array"); 323 return 0; 324 } 325 326 jlong elems[8]; 327 for (int i = 0; i < n; i++) { 328 elems[i] = reinterpret_cast<jlong>(ifaceHandles[i]); 329 } 330 env->SetLongArrayRegion(array, 0, n, elems); 331 setStaticLongArrayField(env, cls, WifiIfaceHandleVarName, array); 332 333 return (result < 0) ? result : n; 334} 335 336static jstring android_net_wifi_getInterfaceName(JNIEnv *env, jclass cls, jint i) { 337 char buf[EVENT_BUF_SIZE]; 338 339 jlong value = getStaticLongArrayField(env, cls, WifiIfaceHandleVarName, i); 340 wifi_interface_handle handle = (wifi_interface_handle) value; 341 int result = ::wifi_get_iface_name(handle, buf, sizeof(buf)); 342 if (result < 0) { 343 return NULL; 344 } else { 345 return env->NewStringUTF(buf); 346 } 347} 348 349 350static void onScanResultsAvailable(wifi_request_id id, unsigned num_results) { 351 352 JNIEnv *env = NULL; 353 mVM->AttachCurrentThread(&env, NULL); 354 355 ALOGD("onScanResultsAvailable called, vm = %p, obj = %p, env = %p", mVM, mCls, env); 356 357 reportEvent(env, mCls, "onScanResultsAvailable", "(I)V", id); 358} 359 360static void onScanEvent(wifi_scan_event event, unsigned status) { 361 JNIEnv *env = NULL; 362 mVM->AttachCurrentThread(&env, NULL); 363 364 ALOGD("onScanStatus called, vm = %p, obj = %p, env = %p", mVM, mCls, env); 365 366 reportEvent(env, mCls, "onScanStatus", "(I)V", status); 367} 368 369static void onFullScanResult(wifi_request_id id, wifi_scan_result *result) { 370 371 JNIEnv *env = NULL; 372 mVM->AttachCurrentThread(&env, NULL); 373 374 ALOGD("onFullScanResult called, vm = %p, obj = %p, env = %p", mVM, mCls, env); 375 376 jobject scanResult = createScanResult(env, result); 377 378 ALOGD("Creating a byte array of length %d", result->ie_length); 379 380 jbyteArray elements = env->NewByteArray(result->ie_length); 381 if (elements == NULL) { 382 ALOGE("Error in allocating array"); 383 return; 384 } 385 386 ALOGE("Setting byte array"); 387 388 jbyte *bytes = (jbyte *)&(result->ie_data[0]); 389 env->SetByteArrayRegion(elements, 0, result->ie_length, bytes); 390 391 ALOGE("Returning result"); 392 393 reportEvent(env, mCls, "onFullScanResult", "(ILandroid/net/wifi/ScanResult;[B)V", id, 394 scanResult, elements); 395 396 env->DeleteLocalRef(scanResult); 397 env->DeleteLocalRef(elements); 398} 399 400static jboolean android_net_wifi_startScan( 401 JNIEnv *env, jclass cls, jint iface, jint id, jobject settings) { 402 403 wifi_interface_handle handle = getIfaceHandle(env, cls, iface); 404 ALOGD("starting scan on interface[%d] = %p", iface, handle); 405 406 wifi_scan_cmd_params params; 407 memset(¶ms, 0, sizeof(params)); 408 409 params.base_period = getIntField(env, settings, "base_period_ms"); 410 params.max_ap_per_scan = getIntField(env, settings, "max_ap_per_scan"); 411 params.report_threshold_percent = getIntField(env, settings, "report_threshold_percent"); 412 params.report_threshold_num_scans = getIntField(env, settings, "report_threshold_num_scans"); 413 414 ALOGD("Initialized common fields %d, %d, %d, %d", params.base_period, params.max_ap_per_scan, 415 params.report_threshold_percent, params.report_threshold_num_scans); 416 417 const char *bucket_array_type = "[Lcom/android/server/wifi/WifiNative$BucketSettings;"; 418 const char *channel_array_type = "[Lcom/android/server/wifi/WifiNative$ChannelSettings;"; 419 420 jobjectArray buckets = (jobjectArray)getObjectField(env, settings, "buckets", bucket_array_type); 421 params.num_buckets = getIntField(env, settings, "num_buckets"); 422 423 ALOGD("Initialized num_buckets to %d", params.num_buckets); 424 425 for (int i = 0; i < params.num_buckets; i++) { 426 jobject bucket = getObjectArrayField(env, settings, "buckets", bucket_array_type, i); 427 428 params.buckets[i].bucket = getIntField(env, bucket, "bucket"); 429 params.buckets[i].band = (wifi_band) getIntField(env, bucket, "band"); 430 params.buckets[i].period = getIntField(env, bucket, "period_ms"); 431 432 ALOGD("Initialized common bucket fields %d:%d:%d", params.buckets[i].bucket, 433 params.buckets[i].band, params.buckets[i].period); 434 435 int report_events = getIntField(env, bucket, "report_events"); 436 params.buckets[i].report_events = report_events; 437 438 ALOGD("Initialized report events to %d", params.buckets[i].report_events); 439 440 jobjectArray channels = (jobjectArray)getObjectField( 441 env, bucket, "channels", channel_array_type); 442 443 params.buckets[i].num_channels = getIntField(env, bucket, "num_channels"); 444 ALOGD("Initialized num_channels to %d", params.buckets[i].num_channels); 445 446 for (int j = 0; j < params.buckets[i].num_channels; j++) { 447 jobject channel = getObjectArrayField(env, bucket, "channels", channel_array_type, j); 448 449 params.buckets[i].channels[j].channel = getIntField(env, channel, "frequency"); 450 params.buckets[i].channels[j].dwellTimeMs = getIntField(env, channel, "dwell_time_ms"); 451 452 bool passive = getBoolField(env, channel, "passive"); 453 params.buckets[i].channels[j].passive = (passive ? 1 : 0); 454 455 ALOGD("Initialized channel %d", params.buckets[i].channels[j].channel); 456 } 457 } 458 459 ALOGD("Initialized all fields"); 460 461 wifi_scan_result_handler handler; 462 memset(&handler, 0, sizeof(handler)); 463 handler.on_scan_results_available = &onScanResultsAvailable; 464 handler.on_full_scan_result = &onFullScanResult; 465 handler.on_scan_event = &onScanEvent; 466 467 return wifi_start_gscan(id, handle, params, handler) == WIFI_SUCCESS; 468} 469 470static jboolean android_net_wifi_stopScan(JNIEnv *env, jclass cls, jint iface, jint id) { 471 wifi_interface_handle handle = getIfaceHandle(env, cls, iface); 472 ALOGD("stopping scan on interface[%d] = %p", iface, handle); 473 474 return wifi_stop_gscan(id, handle) == WIFI_SUCCESS; 475} 476 477static int compare_scan_result_timestamp(const void *v1, const void *v2) { 478 const wifi_scan_result *result1 = static_cast<const wifi_scan_result *>(v1); 479 const wifi_scan_result *result2 = static_cast<const wifi_scan_result *>(v2); 480 return result1->ts - result2->ts; 481} 482 483static jobject android_net_wifi_getScanResults( 484 JNIEnv *env, jclass cls, jint iface, jboolean flush) { 485 486 wifi_cached_scan_results scan_data[64]; 487 int num_scan_data = 64; 488 489 wifi_interface_handle handle = getIfaceHandle(env, cls, iface); 490 ALOGD("getting scan results on interface[%d] = %p", iface, handle); 491 492 byte b = flush ? 0 : 0xFF; 493 int result = wifi_get_cached_gscan_results(handle, b, num_scan_data, scan_data, &num_scan_data); 494 if (result == WIFI_SUCCESS) { 495 jobjectArray scanData = createObjectArray(env, 496 "android/net/wifi/WifiScanner$ScanData", num_scan_data); 497 if (scanData == NULL) { 498 ALOGE("Error in allocating array of scanData"); 499 return NULL; 500 } 501 502 for (int i = 0; i < num_scan_data; i++) { 503 504 jobject data = createObject(env, "android/net/wifi/WifiScanner$ScanData"); 505 if (data == NULL) { 506 ALOGE("Error in allocating scanData"); 507 return NULL; 508 } 509 510 setIntField(env, data, "mId", scan_data[i].scan_id); 511 setIntField(env, data, "mFlags", scan_data[i].flags); 512 513 /* sort all scan results by timestamp */ 514 qsort(scan_data[i].results, scan_data[i].num_results, 515 sizeof(wifi_scan_result), compare_scan_result_timestamp); 516 517 jobjectArray scanResults = createObjectArray(env, 518 "android/net/wifi/ScanResult", scan_data[i].num_results); 519 if (scanResults == NULL) { 520 ALOGE("Error in allocating scanResult array"); 521 return NULL; 522 } 523 524 wifi_scan_result *results = scan_data[i].results; 525 for (int j = 0; j < scan_data[i].num_results; j++) { 526 527 jobject scanResult = createObject(env, "android/net/wifi/ScanResult"); 528 if (scanResult == NULL) { 529 ALOGE("Error in creating scan result"); 530 return NULL; 531 } 532 533 setStringField(env, scanResult, "SSID", results[j].ssid); 534 535 char bssid[32]; 536 sprintf(bssid, "%02x:%02x:%02x:%02x:%02x:%02x", results[j].bssid[0], 537 results[j].bssid[1], results[j].bssid[2], results[j].bssid[3], 538 results[j].bssid[4], results[j].bssid[5]); 539 540 setStringField(env, scanResult, "BSSID", bssid); 541 542 setIntField(env, scanResult, "level", results[j].rssi); 543 setIntField(env, scanResult, "frequency", results[j].channel); 544 setLongField(env, scanResult, "timestamp", results[j].ts); 545 546 env->SetObjectArrayElement(scanResults, j, scanResult); 547 env->DeleteLocalRef(scanResult); 548 } 549 550 setObjectField(env, data, "mResults", "[Landroid/net/wifi/ScanResult;", scanResults); 551 env->SetObjectArrayElement(scanData, i, data); 552 } 553 554 return scanData; 555 } else { 556 return NULL; 557 } 558} 559 560 561static jboolean android_net_wifi_getScanCapabilities( 562 JNIEnv *env, jclass cls, jint iface, jobject capabilities) { 563 564 wifi_interface_handle handle = getIfaceHandle(env, cls, iface); 565 ALOGD("getting scan capabilities on interface[%d] = %p", iface, handle); 566 567 wifi_gscan_capabilities c; 568 memset(&c, 0, sizeof(c)); 569 int result = wifi_get_gscan_capabilities(handle, &c); 570 if (result != WIFI_SUCCESS) { 571 ALOGD("failed to get capabilities : %d", result); 572 return JNI_FALSE; 573 } 574 575 setIntField(env, capabilities, "max_scan_cache_size", c.max_scan_cache_size); 576 setIntField(env, capabilities, "max_scan_buckets", c.max_scan_buckets); 577 setIntField(env, capabilities, "max_ap_cache_per_scan", c.max_ap_cache_per_scan); 578 setIntField(env, capabilities, "max_rssi_sample_size", c.max_rssi_sample_size); 579 setIntField(env, capabilities, "max_scan_reporting_threshold", c.max_scan_reporting_threshold); 580 setIntField(env, capabilities, "max_hotlist_aps", c.max_hotlist_aps); 581 setIntField(env, capabilities, "max_significant_wifi_change_aps", 582 c.max_significant_wifi_change_aps); 583 584 return JNI_TRUE; 585} 586 587 588static byte parseHexChar(char ch) { 589 if (isdigit(ch)) 590 return ch - '0'; 591 else if ('A' <= ch && ch <= 'F') 592 return ch - 'A' + 10; 593 else if ('a' <= ch && ch <= 'f') 594 return ch - 'a' + 10; 595 else { 596 ALOGE("invalid character in bssid %c", ch); 597 return 0; 598 } 599} 600 601static byte parseHexByte(const char * &str) { 602 byte b = parseHexChar(str[0]); 603 if (str[1] == ':' || str[1] == '\0') { 604 str += 2; 605 return b; 606 } else { 607 b = b << 4 | parseHexChar(str[1]); 608 str += 3; 609 return b; 610 } 611} 612 613static void parseMacAddress(const char *str, mac_addr addr) { 614 addr[0] = parseHexByte(str); 615 addr[1] = parseHexByte(str); 616 addr[2] = parseHexByte(str); 617 addr[3] = parseHexByte(str); 618 addr[4] = parseHexByte(str); 619 addr[5] = parseHexByte(str); 620} 621 622static bool parseMacAddress(JNIEnv *env, jobject obj, mac_addr addr) { 623 jstring macAddrString = (jstring) getObjectField( 624 env, obj, "bssid", "Ljava/lang/String;"); 625 626 if (macAddrString == NULL) { 627 ALOGE("Error getting bssid field"); 628 return false; 629 } 630 631 const char *bssid = env->GetStringUTFChars(macAddrString, NULL); 632 if (bssid == NULL) { 633 ALOGE("Error getting bssid"); 634 return false; 635 } 636 637 parseMacAddress(bssid, addr); 638 return true; 639} 640 641static void onHotlistApFound(wifi_request_id id, 642 unsigned num_results, wifi_scan_result *results) { 643 644 JNIEnv *env = NULL; 645 mVM->AttachCurrentThread(&env, NULL); 646 647 ALOGD("onHotlistApFound called, vm = %p, obj = %p, env = %p, num_results = %d", 648 mVM, mCls, env, num_results); 649 650 jclass clsScanResult = (env)->FindClass("android/net/wifi/ScanResult"); 651 if (clsScanResult == NULL) { 652 ALOGE("Error in accessing class"); 653 return; 654 } 655 656 jobjectArray scanResults = env->NewObjectArray(num_results, clsScanResult, NULL); 657 if (scanResults == NULL) { 658 ALOGE("Error in allocating array"); 659 return; 660 } 661 662 for (unsigned i = 0; i < num_results; i++) { 663 664 jobject scanResult = createObject(env, "android/net/wifi/ScanResult"); 665 if (scanResult == NULL) { 666 ALOGE("Error in creating scan result"); 667 return; 668 } 669 670 setStringField(env, scanResult, "SSID", results[i].ssid); 671 672 char bssid[32]; 673 sprintf(bssid, "%02x:%02x:%02x:%02x:%02x:%02x", results[i].bssid[0], results[i].bssid[1], 674 results[i].bssid[2], results[i].bssid[3], results[i].bssid[4], results[i].bssid[5]); 675 676 setStringField(env, scanResult, "BSSID", bssid); 677 678 setIntField(env, scanResult, "level", results[i].rssi); 679 setIntField(env, scanResult, "frequency", results[i].channel); 680 setLongField(env, scanResult, "timestamp", results[i].ts); 681 682 env->SetObjectArrayElement(scanResults, i, scanResult); 683 684 ALOGD("Found AP %32s %s", results[i].ssid, bssid); 685 } 686 687 reportEvent(env, mCls, "onHotlistApFound", "(I[Landroid/net/wifi/ScanResult;)V", 688 id, scanResults); 689} 690 691static void onHotlistApLost(wifi_request_id id, 692 unsigned num_results, wifi_scan_result *results) { 693 694 JNIEnv *env = NULL; 695 mVM->AttachCurrentThread(&env, NULL); 696 697 ALOGD("onHotlistApLost called, vm = %p, obj = %p, env = %p, num_results = %d", 698 mVM, mCls, env, num_results); 699 700 jclass clsScanResult = (env)->FindClass("android/net/wifi/ScanResult"); 701 if (clsScanResult == NULL) { 702 ALOGE("Error in accessing class"); 703 return; 704 } 705 706 jobjectArray scanResults = env->NewObjectArray(num_results, clsScanResult, NULL); 707 if (scanResults == NULL) { 708 ALOGE("Error in allocating array"); 709 return; 710 } 711 712 for (unsigned i = 0; i < num_results; i++) { 713 714 jobject scanResult = createObject(env, "android/net/wifi/ScanResult"); 715 if (scanResult == NULL) { 716 ALOGE("Error in creating scan result"); 717 return; 718 } 719 720 setStringField(env, scanResult, "SSID", results[i].ssid); 721 722 char bssid[32]; 723 sprintf(bssid, "%02x:%02x:%02x:%02x:%02x:%02x", results[i].bssid[0], results[i].bssid[1], 724 results[i].bssid[2], results[i].bssid[3], results[i].bssid[4], results[i].bssid[5]); 725 726 setStringField(env, scanResult, "BSSID", bssid); 727 728 setIntField(env, scanResult, "level", results[i].rssi); 729 setIntField(env, scanResult, "frequency", results[i].channel); 730 setLongField(env, scanResult, "timestamp", results[i].ts); 731 732 env->SetObjectArrayElement(scanResults, i, scanResult); 733 734 ALOGD("Lost AP %32s %s", results[i].ssid, bssid); 735 } 736 737 reportEvent(env, mCls, "onHotlistApLost", "(I[Landroid/net/wifi/ScanResult;)V", 738 id, scanResults); 739} 740 741 742static jboolean android_net_wifi_setHotlist( 743 JNIEnv *env, jclass cls, jint iface, jint id, jobject ap) { 744 745 wifi_interface_handle handle = getIfaceHandle(env, cls, iface); 746 ALOGD("setting hotlist on interface[%d] = %p", iface, handle); 747 748 wifi_bssid_hotlist_params params; 749 memset(¶ms, 0, sizeof(params)); 750 751 params.lost_ap_sample_size = getIntField(env, ap, "apLostThreshold"); 752 753 jobjectArray array = (jobjectArray) getObjectField(env, ap, 754 "bssidInfos", "[Landroid/net/wifi/WifiScanner$BssidInfo;"); 755 params.num_ap = env->GetArrayLength(array); 756 757 if (params.num_ap == 0) { 758 ALOGE("Error in accesing array"); 759 return false; 760 } 761 762 for (int i = 0; i < params.num_ap; i++) { 763 jobject objAp = env->GetObjectArrayElement(array, i); 764 765 jstring macAddrString = (jstring) getObjectField( 766 env, objAp, "bssid", "Ljava/lang/String;"); 767 if (macAddrString == NULL) { 768 ALOGE("Error getting bssid field"); 769 return false; 770 } 771 772 const char *bssid = env->GetStringUTFChars(macAddrString, NULL); 773 if (bssid == NULL) { 774 ALOGE("Error getting bssid"); 775 return false; 776 } 777 parseMacAddress(bssid, params.ap[i].bssid); 778 779 mac_addr addr; 780 memcpy(addr, params.ap[i].bssid, sizeof(mac_addr)); 781 782 char bssidOut[32]; 783 sprintf(bssidOut, "%0x:%0x:%0x:%0x:%0x:%0x", addr[0], addr[1], 784 addr[2], addr[3], addr[4], addr[5]); 785 786 ALOGD("Added bssid %s", bssidOut); 787 788 params.ap[i].low = getIntField(env, objAp, "low"); 789 params.ap[i].high = getIntField(env, objAp, "high"); 790 } 791 792 wifi_hotlist_ap_found_handler handler; 793 memset(&handler, 0, sizeof(handler)); 794 795 handler.on_hotlist_ap_found = &onHotlistApFound; 796 handler.on_hotlist_ap_lost = &onHotlistApLost; 797 return wifi_set_bssid_hotlist(id, handle, params, handler) == WIFI_SUCCESS; 798} 799 800static jboolean android_net_wifi_resetHotlist( 801 JNIEnv *env, jclass cls, jint iface, jint id) { 802 803 wifi_interface_handle handle = getIfaceHandle(env, cls, iface); 804 ALOGD("resetting hotlist on interface[%d] = %p", iface, handle); 805 806 return wifi_reset_bssid_hotlist(id, handle) == WIFI_SUCCESS; 807} 808 809void onSignificantWifiChange(wifi_request_id id, 810 unsigned num_results, wifi_significant_change_result **results) { 811 JNIEnv *env = NULL; 812 mVM->AttachCurrentThread(&env, NULL); 813 814 ALOGD("onSignificantWifiChange called, vm = %p, obj = %p, env = %p", mVM, mCls, env); 815 816 jclass clsScanResult = (env)->FindClass("android/net/wifi/ScanResult"); 817 if (clsScanResult == NULL) { 818 ALOGE("Error in accessing class"); 819 return; 820 } 821 822 jobjectArray scanResults = env->NewObjectArray(num_results, clsScanResult, NULL); 823 if (scanResults == NULL) { 824 ALOGE("Error in allocating array"); 825 return; 826 } 827 828 for (unsigned i = 0; i < num_results; i++) { 829 830 wifi_significant_change_result &result = *(results[i]); 831 832 jobject scanResult = createObject(env, "android/net/wifi/ScanResult"); 833 if (scanResult == NULL) { 834 ALOGE("Error in creating scan result"); 835 return; 836 } 837 838 // setStringField(env, scanResult, "SSID", results[i].ssid); 839 840 char bssid[32]; 841 sprintf(bssid, "%02x:%02x:%02x:%02x:%02x:%02x", result.bssid[0], result.bssid[1], 842 result.bssid[2], result.bssid[3], result.bssid[4], result.bssid[5]); 843 844 setStringField(env, scanResult, "BSSID", bssid); 845 846 setIntField(env, scanResult, "level", result.rssi[0]); 847 setIntField(env, scanResult, "frequency", result.channel); 848 // setLongField(env, scanResult, "timestamp", result.ts); 849 850 env->SetObjectArrayElement(scanResults, i, scanResult); 851 } 852 853 reportEvent(env, mCls, "onSignificantWifiChange", "(I[Landroid/net/wifi/ScanResult;)V", 854 id, scanResults); 855 856} 857 858static jboolean android_net_wifi_trackSignificantWifiChange( 859 JNIEnv *env, jclass cls, jint iface, jint id, jobject settings) { 860 861 wifi_interface_handle handle = getIfaceHandle(env, cls, iface); 862 ALOGD("tracking significant wifi change on interface[%d] = %p", iface, handle); 863 864 wifi_significant_change_params params; 865 memset(¶ms, 0, sizeof(params)); 866 867 params.rssi_sample_size = getIntField(env, settings, "rssiSampleSize"); 868 params.lost_ap_sample_size = getIntField(env, settings, "lostApSampleSize"); 869 params.min_breaching = getIntField(env, settings, "minApsBreachingThreshold"); 870 871 const char *bssid_info_array_type = "[Landroid/net/wifi/WifiScanner$BssidInfo;"; 872 jobjectArray bssids = (jobjectArray)getObjectField( 873 env, settings, "bssidInfos", bssid_info_array_type); 874 params.num_ap = env->GetArrayLength(bssids); 875 876 if (params.num_ap == 0) { 877 ALOGE("Error in accessing array"); 878 return false; 879 } 880 881 ALOGD("Initialized common fields %d, %d, %d, %d", params.rssi_sample_size, 882 params.lost_ap_sample_size, params.min_breaching, params.num_ap); 883 884 for (int i = 0; i < params.num_ap; i++) { 885 jobject objAp = env->GetObjectArrayElement(bssids, i); 886 887 jstring macAddrString = (jstring) getObjectField( 888 env, objAp, "bssid", "Ljava/lang/String;"); 889 if (macAddrString == NULL) { 890 ALOGE("Error getting bssid field"); 891 return false; 892 } 893 894 const char *bssid = env->GetStringUTFChars(macAddrString, NULL); 895 if (bssid == NULL) { 896 ALOGE("Error getting bssid"); 897 return false; 898 } 899 900 mac_addr addr; 901 parseMacAddress(bssid, addr); 902 memcpy(params.ap[i].bssid, addr, sizeof(mac_addr)); 903 904 char bssidOut[32]; 905 sprintf(bssidOut, "%02x:%02x:%02x:%02x:%02x:%02x", addr[0], addr[1], 906 addr[2], addr[3], addr[4], addr[5]); 907 908 params.ap[i].low = getIntField(env, objAp, "low"); 909 params.ap[i].high = getIntField(env, objAp, "high"); 910 911 ALOGD("Added bssid %s, [%04d, %04d]", bssidOut, params.ap[i].low, params.ap[i].high); 912 } 913 914 ALOGD("Added %d bssids", params.num_ap); 915 916 wifi_significant_change_handler handler; 917 memset(&handler, 0, sizeof(handler)); 918 919 handler.on_significant_change = &onSignificantWifiChange; 920 return wifi_set_significant_change_handler(id, handle, params, handler) == WIFI_SUCCESS; 921} 922 923static jboolean android_net_wifi_untrackSignificantWifiChange( 924 JNIEnv *env, jclass cls, jint iface, jint id) { 925 926 wifi_interface_handle handle = getIfaceHandle(env, cls, iface); 927 ALOGD("resetting significant wifi change on interface[%d] = %p", iface, handle); 928 929 return wifi_reset_significant_change_handler(id, handle) == WIFI_SUCCESS; 930} 931 932wifi_iface_stat link_stat; 933wifi_radio_stat radio_stat; // L release has support for only one radio 934 935void onLinkStatsResults(wifi_request_id id, wifi_iface_stat *iface_stat, 936 int num_radios, wifi_radio_stat *radio_stats) 937{ 938 if (iface_stat != 0) { 939 memcpy(&link_stat, iface_stat, sizeof(wifi_iface_stat)); 940 } else { 941 memset(&link_stat, 0, sizeof(wifi_iface_stat)); 942 } 943 944 if (num_radios > 0 && radio_stats != 0) { 945 memcpy(&radio_stat, radio_stats, sizeof(wifi_radio_stat)); 946 } else { 947 memset(&radio_stat, 0, sizeof(wifi_radio_stat)); 948 } 949} 950 951static jobject android_net_wifi_getLinkLayerStats (JNIEnv *env, jclass cls, jint iface) { 952 953 wifi_stats_result_handler handler; 954 memset(&handler, 0, sizeof(handler)); 955 handler.on_link_stats_results = &onLinkStatsResults; 956 wifi_interface_handle handle = getIfaceHandle(env, cls, iface); 957 int result = wifi_get_link_stats(0, handle, handler); 958 if (result < 0) { 959 ALOGE("android_net_wifi_getLinkLayerStats: failed to get link statistics\n"); 960 return NULL; 961 } 962 963 jobject wifiLinkLayerStats = createObject(env, "android/net/wifi/WifiLinkLayerStats"); 964 if (wifiLinkLayerStats == NULL) { 965 ALOGE("Error in allocating wifiLinkLayerStats"); 966 return NULL; 967 } 968 969 setIntField(env, wifiLinkLayerStats, "beacon_rx", link_stat.beacon_rx); 970 setIntField(env, wifiLinkLayerStats, "rssi_mgmt", link_stat.rssi_mgmt); 971 setLongField(env, wifiLinkLayerStats, "rxmpdu_be", link_stat.ac[WIFI_AC_BE].rx_mpdu); 972 setLongField(env, wifiLinkLayerStats, "rxmpdu_bk", link_stat.ac[WIFI_AC_BK].rx_mpdu); 973 setLongField(env, wifiLinkLayerStats, "rxmpdu_vi", link_stat.ac[WIFI_AC_VI].rx_mpdu); 974 setLongField(env, wifiLinkLayerStats, "rxmpdu_vo", link_stat.ac[WIFI_AC_VO].rx_mpdu); 975 setLongField(env, wifiLinkLayerStats, "txmpdu_be", link_stat.ac[WIFI_AC_BE].tx_mpdu); 976 setLongField(env, wifiLinkLayerStats, "txmpdu_bk", link_stat.ac[WIFI_AC_BK].tx_mpdu); 977 setLongField(env, wifiLinkLayerStats, "txmpdu_vi", link_stat.ac[WIFI_AC_VI].tx_mpdu); 978 setLongField(env, wifiLinkLayerStats, "txmpdu_vo", link_stat.ac[WIFI_AC_VO].tx_mpdu); 979 setLongField(env, wifiLinkLayerStats, "lostmpdu_be", link_stat.ac[WIFI_AC_BE].mpdu_lost); 980 setLongField(env, wifiLinkLayerStats, "lostmpdu_bk", link_stat.ac[WIFI_AC_BK].mpdu_lost); 981 setLongField(env, wifiLinkLayerStats, "lostmpdu_vi", link_stat.ac[WIFI_AC_VI].mpdu_lost); 982 setLongField(env, wifiLinkLayerStats, "lostmpdu_vo", link_stat.ac[WIFI_AC_VO].mpdu_lost); 983 setLongField(env, wifiLinkLayerStats, "retries_be", link_stat.ac[WIFI_AC_BE].retries); 984 setLongField(env, wifiLinkLayerStats, "retries_bk", link_stat.ac[WIFI_AC_BK].retries); 985 setLongField(env, wifiLinkLayerStats, "retries_vi", link_stat.ac[WIFI_AC_VI].retries); 986 setLongField(env, wifiLinkLayerStats, "retries_vo", link_stat.ac[WIFI_AC_VO].retries); 987 988 989 setIntField(env, wifiLinkLayerStats, "on_time", radio_stat.on_time); 990 setIntField(env, wifiLinkLayerStats, "tx_time", radio_stat.tx_time); 991 setIntField(env, wifiLinkLayerStats, "rx_time", radio_stat.rx_time); 992 setIntField(env, wifiLinkLayerStats, "on_time_scan", radio_stat.on_time_scan); 993 994 return wifiLinkLayerStats; 995} 996 997static jint android_net_wifi_getSupportedFeatures(JNIEnv *env, jclass cls, jint iface) { 998 wifi_interface_handle handle = getIfaceHandle(env, cls, iface); 999 feature_set set = 0; 1000 1001 wifi_error result = WIFI_SUCCESS; 1002 /* 1003 set = WIFI_FEATURE_INFRA 1004 | WIFI_FEATURE_INFRA_5G 1005 | WIFI_FEATURE_HOTSPOT 1006 | WIFI_FEATURE_P2P 1007 | WIFI_FEATURE_SOFT_AP 1008 | WIFI_FEATURE_GSCAN 1009 | WIFI_FEATURE_PNO 1010 | WIFI_FEATURE_TDLS 1011 | WIFI_FEATURE_EPR; 1012 */ 1013 1014 result = wifi_get_supported_feature_set(handle, &set); 1015 if (result == WIFI_SUCCESS) { 1016 /* Temporary workaround for RTT capability */ 1017 set = set | WIFI_FEATURE_D2AP_RTT; 1018 ALOGD("wifi_get_supported_feature_set returned set = 0x%x", set); 1019 return set; 1020 } else { 1021 ALOGD("wifi_get_supported_feature_set returned error = 0x%x", result); 1022 return 0; 1023 } 1024} 1025 1026static void onRttResults(wifi_request_id id, unsigned num_results, wifi_rtt_result results[]) { 1027 JNIEnv *env = NULL; 1028 mVM->AttachCurrentThread(&env, NULL); 1029 1030 ALOGD("onRttResults called, vm = %p, obj = %p, env = %p", mVM, mCls, env); 1031 1032 jclass clsRttResult = (env)->FindClass("android/net/wifi/RttManager$RttResult"); 1033 if (clsRttResult == NULL) { 1034 ALOGE("Error in accessing class"); 1035 return; 1036 } 1037 1038 jobjectArray rttResults = env->NewObjectArray(num_results, clsRttResult, NULL); 1039 if (rttResults == NULL) { 1040 ALOGE("Error in allocating array"); 1041 return; 1042 } 1043 1044 for (unsigned i = 0; i < num_results; i++) { 1045 1046 wifi_rtt_result& result = results[i]; 1047 1048 jobject rttResult = createObject(env, "android/net/wifi/RttManager$RttResult"); 1049 if (rttResult == NULL) { 1050 ALOGE("Error in creating rtt result"); 1051 return; 1052 } 1053 1054 char bssid[32]; 1055 sprintf(bssid, "%02x:%02x:%02x:%02x:%02x:%02x", result.addr[0], result.addr[1], 1056 result.addr[2], result.addr[3], result.addr[4], result.addr[5]); 1057 1058 setStringField(env, rttResult, "bssid", bssid); 1059 setIntField(env, rttResult, "status", result.status); 1060 setIntField(env, rttResult, "requestType", result.type); 1061 setLongField(env, rttResult, "ts", result.ts); 1062 setIntField(env, rttResult, "rssi", result.rssi); 1063 setIntField(env, rttResult, "rssi_spread", result.rssi_spread); 1064 setIntField(env, rttResult, "tx_rate", result.tx_rate.bitrate); 1065 setLongField(env, rttResult, "rtt_ns", result.rtt); 1066 setLongField(env, rttResult, "rtt_sd_ns", result.rtt_sd); 1067 setLongField(env, rttResult, "rtt_spread_ns", result.rtt_spread); 1068 setIntField(env, rttResult, "distance_cm", result.distance); 1069 setIntField(env, rttResult, "distance_sd_cm", result.distance_sd); 1070 setIntField(env, rttResult, "distance_spread_cm", result.distance_spread); 1071 1072 env->SetObjectArrayElement(rttResults, i, rttResult); 1073 } 1074 1075 reportEvent(env, mCls, "onRttResults", "(I[Landroid/net/wifi/RttManager$RttResult;)V", 1076 id, rttResults); 1077} 1078 1079const int MaxRttConfigs = 16; 1080 1081static jboolean android_net_wifi_requestRange( 1082 JNIEnv *env, jclass cls, jint iface, jint id, jobject params) { 1083 1084 wifi_interface_handle handle = getIfaceHandle(env, cls, iface); 1085 ALOGD("sending rtt request [%d] = %p", id, handle); 1086 1087 wifi_rtt_config configs[MaxRttConfigs]; 1088 memset(&configs, 0, sizeof(configs)); 1089 1090 int len = env->GetArrayLength((jobjectArray)params); 1091 if (len > MaxRttConfigs) { 1092 return false; 1093 } 1094 1095 for (int i = 0; i < len; i++) { 1096 1097 jobject param = env->GetObjectArrayElement((jobjectArray)params, i); 1098 if (param == NULL) { 1099 ALOGD("could not get element %d", i); 1100 continue; 1101 } 1102 1103 wifi_rtt_config &config = configs[i]; 1104 1105 parseMacAddress(env, param, config.addr); 1106 config.type = (wifi_rtt_type)getIntField(env, param, "requestType"); 1107 config.peer = (wifi_peer_type)getIntField(env, param, "deviceType"); 1108 config.channel.center_freq = getIntField(env, param, "frequency"); 1109 config.channel.width = (wifi_channel_width)getIntField(env, param, "channelWidth"); 1110 config.num_samples_per_measurement = getIntField(env, param, "num_samples"); 1111 config.num_retries_per_measurement = getIntField(env, param, "num_retries"); 1112 } 1113 1114 wifi_rtt_event_handler handler; 1115 handler.on_rtt_results = &onRttResults; 1116 1117 return wifi_rtt_range_request(id, handle, len, configs, handler) == WIFI_SUCCESS; 1118} 1119 1120static jboolean android_net_wifi_cancelRange( 1121 JNIEnv *env, jclass cls, jint iface, jint id, jobject params) { 1122 1123 wifi_interface_handle handle = getIfaceHandle(env, cls, iface); 1124 ALOGD("cancelling rtt request [%d] = %p", id, handle); 1125 1126 mac_addr addrs[MaxRttConfigs]; 1127 memset(&addrs, 0, sizeof(addrs)); 1128 1129 int len = env->GetArrayLength((jobjectArray)params); 1130 if (len > MaxRttConfigs) { 1131 return false; 1132 } 1133 1134 for (int i = 0; i < len; i++) { 1135 1136 jobject param = env->GetObjectArrayElement((jobjectArray)params, i); 1137 if (param == NULL) { 1138 ALOGD("could not get element %d", i); 1139 continue; 1140 } 1141 1142 parseMacAddress(env, param, addrs[i]); 1143 } 1144 1145 return wifi_rtt_range_cancel(id, handle, len, addrs) == WIFI_SUCCESS; 1146} 1147 1148static jboolean android_net_wifi_setScanningMacOui(JNIEnv *env, jclass cls, 1149 jint iface, jbyteArray param) { 1150 1151 wifi_interface_handle handle = getIfaceHandle(env, cls, iface); 1152 ALOGD("setting scan oui %p", handle); 1153 1154 static const unsigned oui_len = 3; /* OUI is upper 3 bytes of mac_address */ 1155 int len = env->GetArrayLength(param); 1156 if (len != oui_len) { 1157 ALOGE("invalid oui length %d", len); 1158 return false; 1159 } 1160 1161 jbyte* bytes = env->GetByteArrayElements(param, NULL); 1162 if (bytes == NULL) { 1163 ALOGE("failed to get array"); 1164 return false; 1165 } 1166 1167 return wifi_set_scanning_mac_oui(handle, (byte *)bytes) == WIFI_SUCCESS; 1168} 1169 1170static jintArray android_net_wifi_getValidChannels(JNIEnv *env, jclass cls, 1171 jint iface, jint band) { 1172 1173 wifi_interface_handle handle = getIfaceHandle(env, cls, iface); 1174 ALOGD("getting valid channels %p", handle); 1175 1176 static const int MaxChannels = 64; 1177 wifi_channel channels[64]; 1178 int num_channels = 0; 1179 wifi_error result = wifi_get_valid_channels(handle, band, MaxChannels, 1180 channels, &num_channels); 1181 1182 if (result == WIFI_SUCCESS) { 1183 jintArray channelArray = env->NewIntArray(num_channels); 1184 if (channelArray == NULL) { 1185 ALOGE("failed to allocate channel list"); 1186 return NULL; 1187 } 1188 1189 env->SetIntArrayRegion(channelArray, 0, num_channels, channels); 1190 return channelArray; 1191 } else { 1192 ALOGE("failed to get channel list : %d", result); 1193 return NULL; 1194 } 1195} 1196 1197static jboolean android_net_wifi_setDfsFlag(JNIEnv *env, jclass cls, jint iface, jboolean dfs) { 1198 wifi_interface_handle handle = getIfaceHandle(env, cls, iface); 1199 ALOGD("setting dfs flag to %s, %p", dfs ? "true" : "false", handle); 1200 1201 u32 nodfs = dfs ? 0 : 1; 1202 wifi_error result = wifi_set_nodfs_flag(handle, nodfs); 1203 return result == WIFI_SUCCESS; 1204} 1205 1206// ---------------------------------------------------------------------------- 1207 1208/* 1209 * JNI registration. 1210 */ 1211static JNINativeMethod gWifiMethods[] = { 1212 /* name, signature, funcPtr */ 1213 1214 { "loadDriver", "()Z", (void *)android_net_wifi_loadDriver }, 1215 { "isDriverLoaded", "()Z", (void *)android_net_wifi_isDriverLoaded }, 1216 { "unloadDriver", "()Z", (void *)android_net_wifi_unloadDriver }, 1217 { "startSupplicant", "(Z)Z", (void *)android_net_wifi_startSupplicant }, 1218 { "killSupplicant", "(Z)Z", (void *)android_net_wifi_killSupplicant }, 1219 { "connectToSupplicantNative", "()Z", (void *)android_net_wifi_connectToSupplicant }, 1220 { "closeSupplicantConnectionNative", "()V", 1221 (void *)android_net_wifi_closeSupplicantConnection }, 1222 { "waitForEventNative", "()Ljava/lang/String;", (void*)android_net_wifi_waitForEvent }, 1223 { "doBooleanCommandNative", "(Ljava/lang/String;)Z", (void*)android_net_wifi_doBooleanCommand }, 1224 { "doIntCommandNative", "(Ljava/lang/String;)I", (void*)android_net_wifi_doIntCommand }, 1225 { "doStringCommandNative", "(Ljava/lang/String;)Ljava/lang/String;", 1226 (void*) android_net_wifi_doStringCommand }, 1227 { "startHalNative", "()Z", (void*) android_net_wifi_startHal }, 1228 { "stopHalNative", "()V", (void*) android_net_wifi_stopHal }, 1229 { "waitForHalEventNative", "()V", (void*) android_net_wifi_waitForHalEvents }, 1230 { "getInterfacesNative", "()I", (void*) android_net_wifi_getInterfaces}, 1231 { "getInterfaceNameNative", "(I)Ljava/lang/String;", (void*) android_net_wifi_getInterfaceName}, 1232 { "getScanCapabilitiesNative", "(ILcom/android/server/wifi/WifiNative$ScanCapabilities;)Z", 1233 (void *) android_net_wifi_getScanCapabilities}, 1234 { "startScanNative", "(IILcom/android/server/wifi/WifiNative$ScanSettings;)Z", 1235 (void*) android_net_wifi_startScan}, 1236 { "stopScanNative", "(II)Z", (void*) android_net_wifi_stopScan}, 1237 { "getScanResultsNative", "(IZ)[Landroid/net/wifi/WifiScanner$ScanData;", 1238 (void *) android_net_wifi_getScanResults}, 1239 { "setHotlistNative", "(IILandroid/net/wifi/WifiScanner$HotlistSettings;)Z", 1240 (void*) android_net_wifi_setHotlist}, 1241 { "resetHotlistNative", "(II)Z", (void*) android_net_wifi_resetHotlist}, 1242 { "trackSignificantWifiChangeNative", "(IILandroid/net/wifi/WifiScanner$WifiChangeSettings;)Z", 1243 (void*) android_net_wifi_trackSignificantWifiChange}, 1244 { "untrackSignificantWifiChangeNative", "(II)Z", 1245 (void*) android_net_wifi_untrackSignificantWifiChange}, 1246 { "getWifiLinkLayerStatsNative", "(I)Landroid/net/wifi/WifiLinkLayerStats;", 1247 (void*) android_net_wifi_getLinkLayerStats}, 1248 { "getSupportedFeatureSetNative", "(I)I", 1249 (void*) android_net_wifi_getSupportedFeatures}, 1250 { "requestRangeNative", "(II[Landroid/net/wifi/RttManager$RttParams;)Z", 1251 (void*) android_net_wifi_requestRange}, 1252 { "cancelRangeRequestNative", "(II[Landroid/net/wifi/RttManager$RttParams;)Z", 1253 (void*) android_net_wifi_cancelRange}, 1254 { "setScanningMacOuiNative", "(I[B)Z", (void*) android_net_wifi_setScanningMacOui}, 1255 { "getChannelsForBandNative", "(II)[I", (void*) android_net_wifi_getValidChannels}, 1256 { "setDfsFlagNative", "(IZ)Z", (void*) android_net_wifi_setDfsFlag } 1257}; 1258 1259int register_android_net_wifi_WifiNative(JNIEnv* env) { 1260 return AndroidRuntime::registerNativeMethods(env, 1261 "com/android/server/wifi/WifiNative", gWifiMethods, NELEM(gWifiMethods)); 1262} 1263 1264 1265/* User to register native functions */ 1266extern "C" 1267jint Java_com_android_server_wifi_WifiNative_registerNatives(JNIEnv* env, jclass clazz) { 1268 return AndroidRuntime::registerNativeMethods(env, 1269 "com/android/server/wifi/WifiNative", gWifiMethods, NELEM(gWifiMethods)); 1270} 1271 1272}; // namespace android 1273