com_android_server_wifi_WifiNative.cpp revision d1b5500c999b6fc23c67f63483623fae1e7bdcac
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); 252 253 if (halHandle == NULL) { 254 int ret = set_iface_flags("wlan0", 1); 255 if(ret != 0) { 256 return false; 257 } 258 wifi_error res = wifi_initialize(&halHandle); 259 if (res == WIFI_SUCCESS) { 260 setStaticLongField(env, cls, WifiHandleVarName, (jlong)halHandle); 261 ALOGD("Did set static halHandle = %p", halHandle); 262 } 263 env->GetJavaVM(&mVM); 264 mCls = (jclass) env->NewGlobalRef(cls); 265 ALOGD("halHandle = %p, mVM = %p, mCls = %p", halHandle, mVM, mCls); 266 return res == WIFI_SUCCESS; 267 } else { 268 return true; 269 } 270} 271 272void android_net_wifi_hal_cleaned_up_handler(wifi_handle handle) { 273 ALOGD("In wifi cleaned up handler"); 274 275 JNIEnv * env = getEnv(); 276 setStaticLongField(env, mCls, WifiHandleVarName, 0); 277 env->DeleteGlobalRef(mCls); 278 mCls = NULL; 279 mVM = NULL; 280} 281 282static void android_net_wifi_stopHal(JNIEnv* env, jclass cls) { 283 ALOGD("In wifi stop Hal"); 284 wifi_handle halHandle = getWifiHandle(env, cls); 285 wifi_cleanup(halHandle, android_net_wifi_hal_cleaned_up_handler); 286 set_iface_flags("wlan0", 0); 287} 288 289static void android_net_wifi_waitForHalEvents(JNIEnv* env, jclass cls) { 290 291 ALOGD("waitForHalEvents called, vm = %p, obj = %p, env = %p", mVM, mCls, env); 292 293 wifi_handle halHandle = getWifiHandle(env, cls); 294 wifi_event_loop(halHandle); 295} 296 297static int android_net_wifi_getInterfaces(JNIEnv *env, jclass cls) { 298 int n = 0; 299 wifi_handle halHandle = getWifiHandle(env, cls); 300 wifi_interface_handle *ifaceHandles = NULL; 301 int result = wifi_get_ifaces(halHandle, &n, &ifaceHandles); 302 if (result < 0) { 303 return result; 304 } 305 306 if (n < 0) { 307 THROW(env, "android_net_wifi_getInterfaces no interfaces"); 308 return 0; 309 } 310 311 if (ifaceHandles == NULL) { 312 THROW(env, "android_net_wifi_getInterfaces null interface array"); 313 return 0; 314 } 315 316 if (n > 8) { 317 THROW(env, "Too many interfaces"); 318 return 0; 319 } 320 321 jlongArray array = (env)->NewLongArray(n); 322 if (array == NULL) { 323 THROW(env, "Error in accessing array"); 324 return 0; 325 } 326 327 jlong elems[8]; 328 for (int i = 0; i < n; i++) { 329 elems[i] = reinterpret_cast<jlong>(ifaceHandles[i]); 330 } 331 env->SetLongArrayRegion(array, 0, n, elems); 332 setStaticLongArrayField(env, cls, WifiIfaceHandleVarName, array); 333 334 return (result < 0) ? result : n; 335} 336 337static jstring android_net_wifi_getInterfaceName(JNIEnv *env, jclass cls, jint i) { 338 char buf[EVENT_BUF_SIZE]; 339 340 jlong value = getStaticLongArrayField(env, cls, WifiIfaceHandleVarName, i); 341 wifi_interface_handle handle = (wifi_interface_handle) value; 342 int result = ::wifi_get_iface_name(handle, buf, sizeof(buf)); 343 if (result < 0) { 344 return NULL; 345 } else { 346 return env->NewStringUTF(buf); 347 } 348} 349 350 351static void onScanResultsAvailable(wifi_request_id id, unsigned num_results) { 352 353 JNIEnv *env = NULL; 354 mVM->AttachCurrentThread(&env, NULL); 355 356 ALOGD("onScanResultsAvailable called, vm = %p, obj = %p, env = %p", mVM, mCls, env); 357 358 reportEvent(env, mCls, "onScanResultsAvailable", "(I)V", id); 359} 360 361static void onScanEvent(wifi_scan_event event, unsigned status) { 362 JNIEnv *env = NULL; 363 mVM->AttachCurrentThread(&env, NULL); 364 365 ALOGD("onScanStatus called, vm = %p, obj = %p, env = %p", mVM, mCls, env); 366 367 reportEvent(env, mCls, "onScanStatus", "(I)V", status); 368} 369 370static void onFullScanResult(wifi_request_id id, wifi_scan_result *result) { 371 372 JNIEnv *env = NULL; 373 mVM->AttachCurrentThread(&env, NULL); 374 375 ALOGD("onFullScanResult called, vm = %p, obj = %p, env = %p", mVM, mCls, env); 376 377 jobject scanResult = createScanResult(env, result); 378 379 ALOGD("Creating a byte array of length %d", result->ie_length); 380 381 jbyteArray elements = env->NewByteArray(result->ie_length); 382 if (elements == NULL) { 383 ALOGE("Error in allocating array"); 384 return; 385 } 386 387 ALOGE("Setting byte array"); 388 389 jbyte *bytes = (jbyte *)&(result->ie_data[0]); 390 env->SetByteArrayRegion(elements, 0, result->ie_length, bytes); 391 392 ALOGE("Returning result"); 393 394 reportEvent(env, mCls, "onFullScanResult", "(ILandroid/net/wifi/ScanResult;[B)V", id, 395 scanResult, elements); 396 397 env->DeleteLocalRef(scanResult); 398 env->DeleteLocalRef(elements); 399} 400 401static jboolean android_net_wifi_startScan( 402 JNIEnv *env, jclass cls, jint iface, jint id, jobject settings) { 403 404 wifi_interface_handle handle = getIfaceHandle(env, cls, iface); 405 ALOGD("starting scan on interface[%d] = %p", iface, handle); 406 407 wifi_scan_cmd_params params; 408 memset(¶ms, 0, sizeof(params)); 409 410 params.base_period = getIntField(env, settings, "base_period_ms"); 411 params.max_ap_per_scan = getIntField(env, settings, "max_ap_per_scan"); 412 params.report_threshold_percent = getIntField(env, settings, "report_threshold_percent"); 413 params.report_threshold_num_scans = getIntField(env, settings, "report_threshold_num_scans"); 414 415 ALOGD("Initialized common fields %d, %d, %d, %d", params.base_period, params.max_ap_per_scan, 416 params.report_threshold_percent, params.report_threshold_num_scans); 417 418 const char *bucket_array_type = "[Lcom/android/server/wifi/WifiNative$BucketSettings;"; 419 const char *channel_array_type = "[Lcom/android/server/wifi/WifiNative$ChannelSettings;"; 420 421 jobjectArray buckets = (jobjectArray)getObjectField(env, settings, "buckets", bucket_array_type); 422 params.num_buckets = getIntField(env, settings, "num_buckets"); 423 424 ALOGD("Initialized num_buckets to %d", params.num_buckets); 425 426 for (int i = 0; i < params.num_buckets; i++) { 427 jobject bucket = getObjectArrayField(env, settings, "buckets", bucket_array_type, i); 428 429 params.buckets[i].bucket = getIntField(env, bucket, "bucket"); 430 params.buckets[i].band = (wifi_band) getIntField(env, bucket, "band"); 431 params.buckets[i].period = getIntField(env, bucket, "period_ms"); 432 433 ALOGD("Initialized common bucket fields %d:%d:%d", params.buckets[i].bucket, 434 params.buckets[i].band, params.buckets[i].period); 435 436 int report_events = getIntField(env, bucket, "report_events"); 437 params.buckets[i].report_events = report_events; 438 439 ALOGD("Initialized report events to %d", params.buckets[i].report_events); 440 441 jobjectArray channels = (jobjectArray)getObjectField( 442 env, bucket, "channels", channel_array_type); 443 444 params.buckets[i].num_channels = getIntField(env, bucket, "num_channels"); 445 ALOGD("Initialized num_channels to %d", params.buckets[i].num_channels); 446 447 for (int j = 0; j < params.buckets[i].num_channels; j++) { 448 jobject channel = getObjectArrayField(env, bucket, "channels", channel_array_type, j); 449 450 params.buckets[i].channels[j].channel = getIntField(env, channel, "frequency"); 451 params.buckets[i].channels[j].dwellTimeMs = getIntField(env, channel, "dwell_time_ms"); 452 453 bool passive = getBoolField(env, channel, "passive"); 454 params.buckets[i].channels[j].passive = (passive ? 1 : 0); 455 456 ALOGD("Initialized channel %d", params.buckets[i].channels[j].channel); 457 } 458 } 459 460 ALOGD("Initialized all fields"); 461 462 wifi_scan_result_handler handler; 463 memset(&handler, 0, sizeof(handler)); 464 handler.on_scan_results_available = &onScanResultsAvailable; 465 handler.on_full_scan_result = &onFullScanResult; 466 handler.on_scan_event = &onScanEvent; 467 468 return wifi_start_gscan(id, handle, params, handler) == WIFI_SUCCESS; 469} 470 471static jboolean android_net_wifi_stopScan(JNIEnv *env, jclass cls, jint iface, jint id) { 472 wifi_interface_handle handle = getIfaceHandle(env, cls, iface); 473 ALOGD("stopping scan on interface[%d] = %p", iface, handle); 474 475 return wifi_stop_gscan(id, handle) == WIFI_SUCCESS; 476} 477 478static int compare_scan_result_timestamp(const void *v1, const void *v2) { 479 const wifi_scan_result *result1 = static_cast<const wifi_scan_result *>(v1); 480 const wifi_scan_result *result2 = static_cast<const wifi_scan_result *>(v2); 481 return result1->ts - result2->ts; 482} 483 484static jobject android_net_wifi_getScanResults( 485 JNIEnv *env, jclass cls, jint iface, jboolean flush) { 486 487 wifi_cached_scan_results scan_data[64]; 488 int num_scan_data = 64; 489 490 wifi_interface_handle handle = getIfaceHandle(env, cls, iface); 491 ALOGD("getting scan results on interface[%d] = %p", iface, handle); 492 493 byte b = flush ? 0 : 0xFF; 494 int result = wifi_get_cached_gscan_results(handle, b, num_scan_data, scan_data, &num_scan_data); 495 if (result == WIFI_SUCCESS) { 496 jobjectArray scanData = createObjectArray(env, 497 "android/net/wifi/WifiScanner$ScanData", num_scan_data); 498 if (scanData == NULL) { 499 ALOGE("Error in allocating array of scanData"); 500 return NULL; 501 } 502 503 for (int i = 0; i < num_scan_data; i++) { 504 505 jobject data = createObject(env, "android/net/wifi/WifiScanner$ScanData"); 506 if (data == NULL) { 507 ALOGE("Error in allocating scanData"); 508 return NULL; 509 } 510 511 setIntField(env, data, "mId", scan_data[i].scan_id); 512 setIntField(env, data, "mFlags", scan_data[i].flags); 513 514 /* sort all scan results by timestamp */ 515 qsort(scan_data[i].results, scan_data[i].num_results, 516 sizeof(wifi_scan_result), compare_scan_result_timestamp); 517 518 jobjectArray scanResults = createObjectArray(env, 519 "android/net/wifi/ScanResult", scan_data[i].num_results); 520 if (scanResults == NULL) { 521 ALOGE("Error in allocating scanResult array"); 522 return NULL; 523 } 524 525 wifi_scan_result *results = scan_data[i].results; 526 for (int j = 0; j < scan_data[i].num_results; j++) { 527 528 jobject scanResult = createObject(env, "android/net/wifi/ScanResult"); 529 if (scanResult == NULL) { 530 ALOGE("Error in creating scan result"); 531 return NULL; 532 } 533 534 setStringField(env, scanResult, "SSID", results[j].ssid); 535 536 char bssid[32]; 537 sprintf(bssid, "%02x:%02x:%02x:%02x:%02x:%02x", results[j].bssid[0], 538 results[j].bssid[1], results[j].bssid[2], results[j].bssid[3], 539 results[j].bssid[4], results[j].bssid[5]); 540 541 setStringField(env, scanResult, "BSSID", bssid); 542 543 setIntField(env, scanResult, "level", results[j].rssi); 544 setIntField(env, scanResult, "frequency", results[j].channel); 545 setLongField(env, scanResult, "timestamp", results[j].ts); 546 547 env->SetObjectArrayElement(scanResults, j, scanResult); 548 env->DeleteLocalRef(scanResult); 549 } 550 551 setObjectField(env, data, "mResults", "[Landroid/net/wifi/ScanResult;", scanResults); 552 env->SetObjectArrayElement(scanData, i, data); 553 } 554 555 return scanData; 556 } else { 557 return NULL; 558 } 559} 560 561 562static jboolean android_net_wifi_getScanCapabilities( 563 JNIEnv *env, jclass cls, jint iface, jobject capabilities) { 564 565 wifi_interface_handle handle = getIfaceHandle(env, cls, iface); 566 ALOGD("getting scan capabilities on interface[%d] = %p", iface, handle); 567 568 wifi_gscan_capabilities c; 569 memset(&c, 0, sizeof(c)); 570 int result = wifi_get_gscan_capabilities(handle, &c); 571 if (result != WIFI_SUCCESS) { 572 ALOGD("failed to get capabilities : %d", result); 573 return JNI_FALSE; 574 } 575 576 setIntField(env, capabilities, "max_scan_cache_size", c.max_scan_cache_size); 577 setIntField(env, capabilities, "max_scan_buckets", c.max_scan_buckets); 578 setIntField(env, capabilities, "max_ap_cache_per_scan", c.max_ap_cache_per_scan); 579 setIntField(env, capabilities, "max_rssi_sample_size", c.max_rssi_sample_size); 580 setIntField(env, capabilities, "max_scan_reporting_threshold", c.max_scan_reporting_threshold); 581 setIntField(env, capabilities, "max_hotlist_aps", c.max_hotlist_aps); 582 setIntField(env, capabilities, "max_significant_wifi_change_aps", 583 c.max_significant_wifi_change_aps); 584 585 return JNI_TRUE; 586} 587 588 589static byte parseHexChar(char ch) { 590 if (isdigit(ch)) 591 return ch - '0'; 592 else if ('A' <= ch && ch <= 'F') 593 return ch - 'A' + 10; 594 else if ('a' <= ch && ch <= 'f') 595 return ch - 'a' + 10; 596 else { 597 ALOGE("invalid character in bssid %c", ch); 598 return 0; 599 } 600} 601 602static byte parseHexByte(const char * &str) { 603 byte b = parseHexChar(str[0]); 604 if (str[1] == ':' || str[1] == '\0') { 605 str += 2; 606 return b; 607 } else { 608 b = b << 4 | parseHexChar(str[1]); 609 str += 3; 610 return b; 611 } 612} 613 614static void parseMacAddress(const char *str, mac_addr addr) { 615 addr[0] = parseHexByte(str); 616 addr[1] = parseHexByte(str); 617 addr[2] = parseHexByte(str); 618 addr[3] = parseHexByte(str); 619 addr[4] = parseHexByte(str); 620 addr[5] = parseHexByte(str); 621} 622 623static bool parseMacAddress(JNIEnv *env, jobject obj, mac_addr addr) { 624 jstring macAddrString = (jstring) getObjectField( 625 env, obj, "bssid", "Ljava/lang/String;"); 626 627 if (macAddrString == NULL) { 628 ALOGE("Error getting bssid field"); 629 return false; 630 } 631 632 const char *bssid = env->GetStringUTFChars(macAddrString, NULL); 633 if (bssid == NULL) { 634 ALOGE("Error getting bssid"); 635 return false; 636 } 637 638 parseMacAddress(bssid, addr); 639 return true; 640} 641 642static void onHotlistApFound(wifi_request_id id, 643 unsigned num_results, wifi_scan_result *results) { 644 645 JNIEnv *env = NULL; 646 mVM->AttachCurrentThread(&env, NULL); 647 648 ALOGD("onHotlistApFound called, vm = %p, obj = %p, env = %p, num_results = %d", 649 mVM, mCls, env, num_results); 650 651 jclass clsScanResult = (env)->FindClass("android/net/wifi/ScanResult"); 652 if (clsScanResult == NULL) { 653 ALOGE("Error in accessing class"); 654 return; 655 } 656 657 jobjectArray scanResults = env->NewObjectArray(num_results, clsScanResult, NULL); 658 if (scanResults == NULL) { 659 ALOGE("Error in allocating array"); 660 return; 661 } 662 663 for (unsigned i = 0; i < num_results; i++) { 664 665 jobject scanResult = createObject(env, "android/net/wifi/ScanResult"); 666 if (scanResult == NULL) { 667 ALOGE("Error in creating scan result"); 668 return; 669 } 670 671 setStringField(env, scanResult, "SSID", results[i].ssid); 672 673 char bssid[32]; 674 sprintf(bssid, "%02x:%02x:%02x:%02x:%02x:%02x", results[i].bssid[0], results[i].bssid[1], 675 results[i].bssid[2], results[i].bssid[3], results[i].bssid[4], results[i].bssid[5]); 676 677 setStringField(env, scanResult, "BSSID", bssid); 678 679 setIntField(env, scanResult, "level", results[i].rssi); 680 setIntField(env, scanResult, "frequency", results[i].channel); 681 setLongField(env, scanResult, "timestamp", results[i].ts); 682 683 env->SetObjectArrayElement(scanResults, i, scanResult); 684 685 ALOGD("Found AP %32s %s", results[i].ssid, bssid); 686 } 687 688 reportEvent(env, mCls, "onHotlistApFound", "(I[Landroid/net/wifi/ScanResult;)V", 689 id, scanResults); 690} 691 692static void onHotlistApLost(wifi_request_id id, 693 unsigned num_results, wifi_scan_result *results) { 694 695 JNIEnv *env = NULL; 696 mVM->AttachCurrentThread(&env, NULL); 697 698 ALOGD("onHotlistApLost called, vm = %p, obj = %p, env = %p, num_results = %d", 699 mVM, mCls, env, num_results); 700 701 jclass clsScanResult = (env)->FindClass("android/net/wifi/ScanResult"); 702 if (clsScanResult == NULL) { 703 ALOGE("Error in accessing class"); 704 return; 705 } 706 707 jobjectArray scanResults = env->NewObjectArray(num_results, clsScanResult, NULL); 708 if (scanResults == NULL) { 709 ALOGE("Error in allocating array"); 710 return; 711 } 712 713 for (unsigned i = 0; i < num_results; i++) { 714 715 jobject scanResult = createObject(env, "android/net/wifi/ScanResult"); 716 if (scanResult == NULL) { 717 ALOGE("Error in creating scan result"); 718 return; 719 } 720 721 setStringField(env, scanResult, "SSID", results[i].ssid); 722 723 char bssid[32]; 724 sprintf(bssid, "%02x:%02x:%02x:%02x:%02x:%02x", results[i].bssid[0], results[i].bssid[1], 725 results[i].bssid[2], results[i].bssid[3], results[i].bssid[4], results[i].bssid[5]); 726 727 setStringField(env, scanResult, "BSSID", bssid); 728 729 setIntField(env, scanResult, "level", results[i].rssi); 730 setIntField(env, scanResult, "frequency", results[i].channel); 731 setLongField(env, scanResult, "timestamp", results[i].ts); 732 733 env->SetObjectArrayElement(scanResults, i, scanResult); 734 735 ALOGD("Lost AP %32s %s", results[i].ssid, bssid); 736 } 737 738 reportEvent(env, mCls, "onHotlistApLost", "(I[Landroid/net/wifi/ScanResult;)V", 739 id, scanResults); 740} 741 742 743static jboolean android_net_wifi_setHotlist( 744 JNIEnv *env, jclass cls, jint iface, jint id, jobject ap) { 745 746 wifi_interface_handle handle = getIfaceHandle(env, cls, iface); 747 ALOGD("setting hotlist on interface[%d] = %p", iface, handle); 748 749 wifi_bssid_hotlist_params params; 750 memset(¶ms, 0, sizeof(params)); 751 752 params.lost_ap_sample_size = getIntField(env, ap, "apLostThreshold"); 753 754 jobjectArray array = (jobjectArray) getObjectField(env, ap, 755 "bssidInfos", "[Landroid/net/wifi/WifiScanner$BssidInfo;"); 756 params.num_ap = env->GetArrayLength(array); 757 758 if (params.num_ap == 0) { 759 ALOGE("Error in accesing array"); 760 return false; 761 } 762 763 for (int i = 0; i < params.num_ap; i++) { 764 jobject objAp = env->GetObjectArrayElement(array, i); 765 766 jstring macAddrString = (jstring) getObjectField( 767 env, objAp, "bssid", "Ljava/lang/String;"); 768 if (macAddrString == NULL) { 769 ALOGE("Error getting bssid field"); 770 return false; 771 } 772 773 const char *bssid = env->GetStringUTFChars(macAddrString, NULL); 774 if (bssid == NULL) { 775 ALOGE("Error getting bssid"); 776 return false; 777 } 778 parseMacAddress(bssid, params.ap[i].bssid); 779 780 mac_addr addr; 781 memcpy(addr, params.ap[i].bssid, sizeof(mac_addr)); 782 783 char bssidOut[32]; 784 sprintf(bssidOut, "%0x:%0x:%0x:%0x:%0x:%0x", addr[0], addr[1], 785 addr[2], addr[3], addr[4], addr[5]); 786 787 ALOGD("Added bssid %s", bssidOut); 788 789 params.ap[i].low = getIntField(env, objAp, "low"); 790 params.ap[i].high = getIntField(env, objAp, "high"); 791 } 792 793 wifi_hotlist_ap_found_handler handler; 794 memset(&handler, 0, sizeof(handler)); 795 796 handler.on_hotlist_ap_found = &onHotlistApFound; 797 handler.on_hotlist_ap_lost = &onHotlistApLost; 798 return wifi_set_bssid_hotlist(id, handle, params, handler) == WIFI_SUCCESS; 799} 800 801static jboolean android_net_wifi_resetHotlist( 802 JNIEnv *env, jclass cls, jint iface, jint id) { 803 804 wifi_interface_handle handle = getIfaceHandle(env, cls, iface); 805 ALOGD("resetting hotlist on interface[%d] = %p", iface, handle); 806 807 return wifi_reset_bssid_hotlist(id, handle) == WIFI_SUCCESS; 808} 809 810void onSignificantWifiChange(wifi_request_id id, 811 unsigned num_results, wifi_significant_change_result **results) { 812 JNIEnv *env = NULL; 813 mVM->AttachCurrentThread(&env, NULL); 814 815 ALOGD("onSignificantWifiChange called, vm = %p, obj = %p, env = %p", mVM, mCls, env); 816 817 jclass clsScanResult = (env)->FindClass("android/net/wifi/ScanResult"); 818 if (clsScanResult == NULL) { 819 ALOGE("Error in accessing class"); 820 return; 821 } 822 823 jobjectArray scanResults = env->NewObjectArray(num_results, clsScanResult, NULL); 824 if (scanResults == NULL) { 825 ALOGE("Error in allocating array"); 826 return; 827 } 828 829 for (unsigned i = 0; i < num_results; i++) { 830 831 wifi_significant_change_result &result = *(results[i]); 832 833 jobject scanResult = createObject(env, "android/net/wifi/ScanResult"); 834 if (scanResult == NULL) { 835 ALOGE("Error in creating scan result"); 836 return; 837 } 838 839 // setStringField(env, scanResult, "SSID", results[i].ssid); 840 841 char bssid[32]; 842 sprintf(bssid, "%02x:%02x:%02x:%02x:%02x:%02x", result.bssid[0], result.bssid[1], 843 result.bssid[2], result.bssid[3], result.bssid[4], result.bssid[5]); 844 845 setStringField(env, scanResult, "BSSID", bssid); 846 847 setIntField(env, scanResult, "level", result.rssi[0]); 848 setIntField(env, scanResult, "frequency", result.channel); 849 // setLongField(env, scanResult, "timestamp", result.ts); 850 851 env->SetObjectArrayElement(scanResults, i, scanResult); 852 } 853 854 reportEvent(env, mCls, "onSignificantWifiChange", "(I[Landroid/net/wifi/ScanResult;)V", 855 id, scanResults); 856 857} 858 859static jboolean android_net_wifi_trackSignificantWifiChange( 860 JNIEnv *env, jclass cls, jint iface, jint id, jobject settings) { 861 862 wifi_interface_handle handle = getIfaceHandle(env, cls, iface); 863 ALOGD("tracking significant wifi change on interface[%d] = %p", iface, handle); 864 865 wifi_significant_change_params params; 866 memset(¶ms, 0, sizeof(params)); 867 868 params.rssi_sample_size = getIntField(env, settings, "rssiSampleSize"); 869 params.lost_ap_sample_size = getIntField(env, settings, "lostApSampleSize"); 870 params.min_breaching = getIntField(env, settings, "minApsBreachingThreshold"); 871 872 const char *bssid_info_array_type = "[Landroid/net/wifi/WifiScanner$BssidInfo;"; 873 jobjectArray bssids = (jobjectArray)getObjectField( 874 env, settings, "bssidInfos", bssid_info_array_type); 875 params.num_ap = env->GetArrayLength(bssids); 876 877 if (params.num_ap == 0) { 878 ALOGE("Error in accessing array"); 879 return false; 880 } 881 882 ALOGD("Initialized common fields %d, %d, %d, %d", params.rssi_sample_size, 883 params.lost_ap_sample_size, params.min_breaching, params.num_ap); 884 885 for (int i = 0; i < params.num_ap; i++) { 886 jobject objAp = env->GetObjectArrayElement(bssids, i); 887 888 jstring macAddrString = (jstring) getObjectField( 889 env, objAp, "bssid", "Ljava/lang/String;"); 890 if (macAddrString == NULL) { 891 ALOGE("Error getting bssid field"); 892 return false; 893 } 894 895 const char *bssid = env->GetStringUTFChars(macAddrString, NULL); 896 if (bssid == NULL) { 897 ALOGE("Error getting bssid"); 898 return false; 899 } 900 901 mac_addr addr; 902 parseMacAddress(bssid, addr); 903 memcpy(params.ap[i].bssid, addr, sizeof(mac_addr)); 904 905 char bssidOut[32]; 906 sprintf(bssidOut, "%02x:%02x:%02x:%02x:%02x:%02x", addr[0], addr[1], 907 addr[2], addr[3], addr[4], addr[5]); 908 909 params.ap[i].low = getIntField(env, objAp, "low"); 910 params.ap[i].high = getIntField(env, objAp, "high"); 911 912 ALOGD("Added bssid %s, [%04d, %04d]", bssidOut, params.ap[i].low, params.ap[i].high); 913 } 914 915 ALOGD("Added %d bssids", params.num_ap); 916 917 wifi_significant_change_handler handler; 918 memset(&handler, 0, sizeof(handler)); 919 920 handler.on_significant_change = &onSignificantWifiChange; 921 return wifi_set_significant_change_handler(id, handle, params, handler) == WIFI_SUCCESS; 922} 923 924static jboolean android_net_wifi_untrackSignificantWifiChange( 925 JNIEnv *env, jclass cls, jint iface, jint id) { 926 927 wifi_interface_handle handle = getIfaceHandle(env, cls, iface); 928 ALOGD("resetting significant wifi change on interface[%d] = %p", iface, handle); 929 930 return wifi_reset_significant_change_handler(id, handle) == WIFI_SUCCESS; 931} 932 933wifi_iface_stat link_stat; 934wifi_radio_stat radio_stat; // L release has support for only one radio 935 936void onLinkStatsResults(wifi_request_id id, wifi_iface_stat *iface_stat, 937 int num_radios, wifi_radio_stat *radio_stats) 938{ 939 if (iface_stat != 0) { 940 memcpy(&link_stat, iface_stat, sizeof(wifi_iface_stat)); 941 } else { 942 memset(&link_stat, 0, sizeof(wifi_iface_stat)); 943 } 944 945 if (num_radios > 0 && radio_stats != 0) { 946 memcpy(&radio_stat, radio_stats, sizeof(wifi_radio_stat)); 947 } else { 948 memset(&radio_stat, 0, sizeof(wifi_radio_stat)); 949 } 950} 951 952static jobject android_net_wifi_getLinkLayerStats (JNIEnv *env, jclass cls, jint iface) { 953 954 wifi_stats_result_handler handler; 955 memset(&handler, 0, sizeof(handler)); 956 handler.on_link_stats_results = &onLinkStatsResults; 957 wifi_interface_handle handle = getIfaceHandle(env, cls, iface); 958 int result = wifi_get_link_stats(0, handle, handler); 959 if (result < 0) { 960 ALOGE("android_net_wifi_getLinkLayerStats: failed to get link statistics\n"); 961 return NULL; 962 } 963 964 jobject wifiLinkLayerStats = createObject(env, "android/net/wifi/WifiLinkLayerStats"); 965 if (wifiLinkLayerStats == NULL) { 966 ALOGE("Error in allocating wifiLinkLayerStats"); 967 return NULL; 968 } 969 970 setIntField(env, wifiLinkLayerStats, "beacon_rx", link_stat.beacon_rx); 971 setIntField(env, wifiLinkLayerStats, "rssi_mgmt", link_stat.rssi_mgmt); 972 setLongField(env, wifiLinkLayerStats, "rxmpdu_be", link_stat.ac[WIFI_AC_BE].rx_mpdu); 973 setLongField(env, wifiLinkLayerStats, "rxmpdu_bk", link_stat.ac[WIFI_AC_BK].rx_mpdu); 974 setLongField(env, wifiLinkLayerStats, "rxmpdu_vi", link_stat.ac[WIFI_AC_VI].rx_mpdu); 975 setLongField(env, wifiLinkLayerStats, "rxmpdu_vo", link_stat.ac[WIFI_AC_VO].rx_mpdu); 976 setLongField(env, wifiLinkLayerStats, "txmpdu_be", link_stat.ac[WIFI_AC_BE].tx_mpdu); 977 setLongField(env, wifiLinkLayerStats, "txmpdu_bk", link_stat.ac[WIFI_AC_BK].tx_mpdu); 978 setLongField(env, wifiLinkLayerStats, "txmpdu_vi", link_stat.ac[WIFI_AC_VI].tx_mpdu); 979 setLongField(env, wifiLinkLayerStats, "txmpdu_vo", link_stat.ac[WIFI_AC_VO].tx_mpdu); 980 setLongField(env, wifiLinkLayerStats, "lostmpdu_be", link_stat.ac[WIFI_AC_BE].mpdu_lost); 981 setLongField(env, wifiLinkLayerStats, "lostmpdu_bk", link_stat.ac[WIFI_AC_BK].mpdu_lost); 982 setLongField(env, wifiLinkLayerStats, "lostmpdu_vi", link_stat.ac[WIFI_AC_VI].mpdu_lost); 983 setLongField(env, wifiLinkLayerStats, "lostmpdu_vo", link_stat.ac[WIFI_AC_VO].mpdu_lost); 984 setLongField(env, wifiLinkLayerStats, "retries_be", link_stat.ac[WIFI_AC_BE].retries); 985 setLongField(env, wifiLinkLayerStats, "retries_bk", link_stat.ac[WIFI_AC_BK].retries); 986 setLongField(env, wifiLinkLayerStats, "retries_vi", link_stat.ac[WIFI_AC_VI].retries); 987 setLongField(env, wifiLinkLayerStats, "retries_vo", link_stat.ac[WIFI_AC_VO].retries); 988 989 990 setIntField(env, wifiLinkLayerStats, "on_time", radio_stat.on_time); 991 setIntField(env, wifiLinkLayerStats, "tx_time", radio_stat.tx_time); 992 setIntField(env, wifiLinkLayerStats, "rx_time", radio_stat.rx_time); 993 setIntField(env, wifiLinkLayerStats, "on_time_scan", radio_stat.on_time_scan); 994 995 return wifiLinkLayerStats; 996} 997 998static jint android_net_wifi_getSupportedFeatures(JNIEnv *env, jclass cls, jint iface) { 999 wifi_interface_handle handle = getIfaceHandle(env, cls, iface); 1000 feature_set set = 0; 1001 1002 wifi_error result = WIFI_SUCCESS; 1003 /* 1004 set = WIFI_FEATURE_INFRA 1005 | WIFI_FEATURE_INFRA_5G 1006 | WIFI_FEATURE_HOTSPOT 1007 | WIFI_FEATURE_P2P 1008 | WIFI_FEATURE_SOFT_AP 1009 | WIFI_FEATURE_GSCAN 1010 | WIFI_FEATURE_PNO 1011 | WIFI_FEATURE_TDLS 1012 | WIFI_FEATURE_EPR; 1013 */ 1014 1015 result = wifi_get_supported_feature_set(handle, &set); 1016 if (result == WIFI_SUCCESS) { 1017 /* Temporary workaround for RTT capability */ 1018 set = set | WIFI_FEATURE_D2AP_RTT; 1019 ALOGD("wifi_get_supported_feature_set returned set = 0x%x", set); 1020 return set; 1021 } else { 1022 ALOGD("wifi_get_supported_feature_set returned error = 0x%x", result); 1023 return 0; 1024 } 1025} 1026 1027static void onRttResults(wifi_request_id id, unsigned num_results, wifi_rtt_result results[]) { 1028 JNIEnv *env = NULL; 1029 mVM->AttachCurrentThread(&env, NULL); 1030 1031 ALOGD("onRttResults called, vm = %p, obj = %p, env = %p", mVM, mCls, env); 1032 1033 jclass clsRttResult = (env)->FindClass("android/net/wifi/RttManager$RttResult"); 1034 if (clsRttResult == NULL) { 1035 ALOGE("Error in accessing class"); 1036 return; 1037 } 1038 1039 jobjectArray rttResults = env->NewObjectArray(num_results, clsRttResult, NULL); 1040 if (rttResults == NULL) { 1041 ALOGE("Error in allocating array"); 1042 return; 1043 } 1044 1045 for (unsigned i = 0; i < num_results; i++) { 1046 1047 wifi_rtt_result& result = results[i]; 1048 1049 jobject rttResult = createObject(env, "android/net/wifi/RttManager$RttResult"); 1050 if (rttResult == NULL) { 1051 ALOGE("Error in creating rtt result"); 1052 return; 1053 } 1054 1055 char bssid[32]; 1056 sprintf(bssid, "%02x:%02x:%02x:%02x:%02x:%02x", result.addr[0], result.addr[1], 1057 result.addr[2], result.addr[3], result.addr[4], result.addr[5]); 1058 1059 setStringField(env, rttResult, "bssid", bssid); 1060 setIntField(env, rttResult, "status", result.status); 1061 setIntField(env, rttResult, "requestType", result.type); 1062 setLongField(env, rttResult, "ts", result.ts); 1063 setIntField(env, rttResult, "rssi", result.rssi); 1064 setIntField(env, rttResult, "rssi_spread", result.rssi_spread); 1065 setIntField(env, rttResult, "tx_rate", result.tx_rate.bitrate); 1066 setLongField(env, rttResult, "rtt_ns", result.rtt); 1067 setLongField(env, rttResult, "rtt_sd_ns", result.rtt_sd); 1068 setLongField(env, rttResult, "rtt_spread_ns", result.rtt_spread); 1069 setIntField(env, rttResult, "distance_cm", result.distance); 1070 setIntField(env, rttResult, "distance_sd_cm", result.distance_sd); 1071 setIntField(env, rttResult, "distance_spread_cm", result.distance_spread); 1072 1073 env->SetObjectArrayElement(rttResults, i, rttResult); 1074 } 1075 1076 reportEvent(env, mCls, "onRttResults", "(I[Landroid/net/wifi/RttManager$RttResult;)V", 1077 id, rttResults); 1078} 1079 1080const int MaxRttConfigs = 16; 1081 1082static jboolean android_net_wifi_requestRange( 1083 JNIEnv *env, jclass cls, jint iface, jint id, jobject params) { 1084 1085 wifi_interface_handle handle = getIfaceHandle(env, cls, iface); 1086 ALOGD("sending rtt request [%d] = %p", id, handle); 1087 1088 wifi_rtt_config configs[MaxRttConfigs]; 1089 memset(&configs, 0, sizeof(configs)); 1090 1091 int len = env->GetArrayLength((jobjectArray)params); 1092 if (len > MaxRttConfigs) { 1093 return false; 1094 } 1095 1096 for (int i = 0; i < len; i++) { 1097 1098 jobject param = env->GetObjectArrayElement((jobjectArray)params, i); 1099 if (param == NULL) { 1100 ALOGD("could not get element %d", i); 1101 continue; 1102 } 1103 1104 wifi_rtt_config &config = configs[i]; 1105 1106 parseMacAddress(env, param, config.addr); 1107 config.type = (wifi_rtt_type)getIntField(env, param, "requestType"); 1108 config.peer = (wifi_peer_type)getIntField(env, param, "deviceType"); 1109 config.channel.center_freq = getIntField(env, param, "frequency"); 1110 config.channel.width = (wifi_channel_width)getIntField(env, param, "channelWidth"); 1111 config.num_samples_per_measurement = getIntField(env, param, "num_samples"); 1112 config.num_retries_per_measurement = getIntField(env, param, "num_retries"); 1113 } 1114 1115 wifi_rtt_event_handler handler; 1116 handler.on_rtt_results = &onRttResults; 1117 1118 return wifi_rtt_range_request(id, handle, len, configs, handler) == WIFI_SUCCESS; 1119} 1120 1121static jboolean android_net_wifi_cancelRange( 1122 JNIEnv *env, jclass cls, jint iface, jint id, jobject params) { 1123 1124 wifi_interface_handle handle = getIfaceHandle(env, cls, iface); 1125 ALOGD("cancelling rtt request [%d] = %p", id, handle); 1126 1127 mac_addr addrs[MaxRttConfigs]; 1128 memset(&addrs, 0, sizeof(addrs)); 1129 1130 int len = env->GetArrayLength((jobjectArray)params); 1131 if (len > MaxRttConfigs) { 1132 return false; 1133 } 1134 1135 for (int i = 0; i < len; i++) { 1136 1137 jobject param = env->GetObjectArrayElement((jobjectArray)params, i); 1138 if (param == NULL) { 1139 ALOGD("could not get element %d", i); 1140 continue; 1141 } 1142 1143 parseMacAddress(env, param, addrs[i]); 1144 } 1145 1146 return wifi_rtt_range_cancel(id, handle, len, addrs) == WIFI_SUCCESS; 1147} 1148 1149static jboolean android_net_wifi_setScanningMacOui(JNIEnv *env, jclass cls, 1150 jint iface, jbyteArray param) { 1151 1152 wifi_interface_handle handle = getIfaceHandle(env, cls, iface); 1153 ALOGD("setting scan oui %p", handle); 1154 1155 static const unsigned oui_len = 3; /* OUI is upper 3 bytes of mac_address */ 1156 int len = env->GetArrayLength(param); 1157 if (len != oui_len) { 1158 ALOGE("invalid oui length %d", len); 1159 return false; 1160 } 1161 1162 jbyte* bytes = env->GetByteArrayElements(param, NULL); 1163 if (bytes == NULL) { 1164 ALOGE("failed to get array"); 1165 return false; 1166 } 1167 1168 return wifi_set_scanning_mac_oui(handle, (byte *)bytes) == WIFI_SUCCESS; 1169} 1170 1171static jintArray android_net_wifi_getValidChannels(JNIEnv *env, jclass cls, 1172 jint iface, jint band) { 1173 1174 wifi_interface_handle handle = getIfaceHandle(env, cls, iface); 1175 ALOGD("getting valid channels %p", handle); 1176 1177 static const int MaxChannels = 64; 1178 wifi_channel channels[64]; 1179 int num_channels = 0; 1180 wifi_error result = wifi_get_valid_channels(handle, band, MaxChannels, 1181 channels, &num_channels); 1182 1183 if (result == WIFI_SUCCESS) { 1184 jintArray channelArray = env->NewIntArray(num_channels); 1185 if (channelArray == NULL) { 1186 ALOGE("failed to allocate channel list"); 1187 return NULL; 1188 } 1189 1190 env->SetIntArrayRegion(channelArray, 0, num_channels, channels); 1191 return channelArray; 1192 } else { 1193 ALOGE("failed to get channel list : %d", result); 1194 return NULL; 1195 } 1196} 1197 1198static jboolean android_net_wifi_setDfsFlag(JNIEnv *env, jclass cls, jint iface, jboolean dfs) { 1199 wifi_interface_handle handle = getIfaceHandle(env, cls, iface); 1200 ALOGD("setting dfs flag to %s, %p", dfs ? "true" : "false", handle); 1201 1202 u32 nodfs = dfs ? 0 : 1; 1203 wifi_error result = wifi_set_nodfs_flag(handle, nodfs); 1204 return result == WIFI_SUCCESS; 1205} 1206 1207// ---------------------------------------------------------------------------- 1208 1209/* 1210 * JNI registration. 1211 */ 1212static JNINativeMethod gWifiMethods[] = { 1213 /* name, signature, funcPtr */ 1214 1215 { "loadDriver", "()Z", (void *)android_net_wifi_loadDriver }, 1216 { "isDriverLoaded", "()Z", (void *)android_net_wifi_isDriverLoaded }, 1217 { "unloadDriver", "()Z", (void *)android_net_wifi_unloadDriver }, 1218 { "startSupplicant", "(Z)Z", (void *)android_net_wifi_startSupplicant }, 1219 { "killSupplicant", "(Z)Z", (void *)android_net_wifi_killSupplicant }, 1220 { "connectToSupplicantNative", "()Z", (void *)android_net_wifi_connectToSupplicant }, 1221 { "closeSupplicantConnectionNative", "()V", 1222 (void *)android_net_wifi_closeSupplicantConnection }, 1223 { "waitForEventNative", "()Ljava/lang/String;", (void*)android_net_wifi_waitForEvent }, 1224 { "doBooleanCommandNative", "(Ljava/lang/String;)Z", (void*)android_net_wifi_doBooleanCommand }, 1225 { "doIntCommandNative", "(Ljava/lang/String;)I", (void*)android_net_wifi_doIntCommand }, 1226 { "doStringCommandNative", "(Ljava/lang/String;)Ljava/lang/String;", 1227 (void*) android_net_wifi_doStringCommand }, 1228 { "startHalNative", "()Z", (void*) android_net_wifi_startHal }, 1229 { "stopHalNative", "()V", (void*) android_net_wifi_stopHal }, 1230 { "waitForHalEventNative", "()V", (void*) android_net_wifi_waitForHalEvents }, 1231 { "getInterfacesNative", "()I", (void*) android_net_wifi_getInterfaces}, 1232 { "getInterfaceNameNative", "(I)Ljava/lang/String;", (void*) android_net_wifi_getInterfaceName}, 1233 { "getScanCapabilitiesNative", "(ILcom/android/server/wifi/WifiNative$ScanCapabilities;)Z", 1234 (void *) android_net_wifi_getScanCapabilities}, 1235 { "startScanNative", "(IILcom/android/server/wifi/WifiNative$ScanSettings;)Z", 1236 (void*) android_net_wifi_startScan}, 1237 { "stopScanNative", "(II)Z", (void*) android_net_wifi_stopScan}, 1238 { "getScanResultsNative", "(IZ)[Landroid/net/wifi/WifiScanner$ScanData;", 1239 (void *) android_net_wifi_getScanResults}, 1240 { "setHotlistNative", "(IILandroid/net/wifi/WifiScanner$HotlistSettings;)Z", 1241 (void*) android_net_wifi_setHotlist}, 1242 { "resetHotlistNative", "(II)Z", (void*) android_net_wifi_resetHotlist}, 1243 { "trackSignificantWifiChangeNative", "(IILandroid/net/wifi/WifiScanner$WifiChangeSettings;)Z", 1244 (void*) android_net_wifi_trackSignificantWifiChange}, 1245 { "untrackSignificantWifiChangeNative", "(II)Z", 1246 (void*) android_net_wifi_untrackSignificantWifiChange}, 1247 { "getWifiLinkLayerStatsNative", "(I)Landroid/net/wifi/WifiLinkLayerStats;", 1248 (void*) android_net_wifi_getLinkLayerStats}, 1249 { "getSupportedFeatureSetNative", "(I)I", 1250 (void*) android_net_wifi_getSupportedFeatures}, 1251 { "requestRangeNative", "(II[Landroid/net/wifi/RttManager$RttParams;)Z", 1252 (void*) android_net_wifi_requestRange}, 1253 { "cancelRangeRequestNative", "(II[Landroid/net/wifi/RttManager$RttParams;)Z", 1254 (void*) android_net_wifi_cancelRange}, 1255 { "setScanningMacOuiNative", "(I[B)Z", (void*) android_net_wifi_setScanningMacOui}, 1256 { "getChannelsForBandNative", "(II)[I", (void*) android_net_wifi_getValidChannels}, 1257 { "setDfsFlagNative", "(IZ)Z", (void*) android_net_wifi_setDfsFlag } 1258}; 1259 1260int register_android_net_wifi_WifiNative(JNIEnv* env) { 1261 return AndroidRuntime::registerNativeMethods(env, 1262 "com/android/server/wifi/WifiNative", gWifiMethods, NELEM(gWifiMethods)); 1263} 1264 1265 1266/* User to register native functions */ 1267extern "C" 1268jint Java_com_android_server_wifi_WifiNative_registerNatives(JNIEnv* env, jclass clazz) { 1269 return AndroidRuntime::registerNativeMethods(env, 1270 "com/android/server/wifi/WifiNative", gWifiMethods, NELEM(gWifiMethods)); 1271} 1272 1273}; // namespace android 1274