WifiNative.java revision 143657392bf0702a155fe688171a5abbf4c86570
1/* 2 * Copyright (C) 2008 The Android Open Source Project 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); 5 * you may not use this file except in compliance with the License. 6 * You may obtain a copy of the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License. 15 */ 16 17package com.android.server.wifi; 18 19import android.net.wifi.BatchedScanSettings; 20import android.net.wifi.RttManager; 21import android.net.wifi.ScanResult; 22import android.net.wifi.WifiLinkLayerStats; 23import android.net.wifi.WifiScanner; 24import android.net.wifi.WpsInfo; 25import android.net.wifi.p2p.WifiP2pConfig; 26import android.net.wifi.p2p.WifiP2pGroup; 27import android.os.SystemClock; 28import android.text.TextUtils; 29import android.net.wifi.p2p.nsd.WifiP2pServiceInfo; 30import android.util.LocalLog; 31import android.util.Log; 32 33import java.util.ArrayList; 34import java.util.List; 35import java.util.Locale; 36 37/** 38 * Native calls for bring up/shut down of the supplicant daemon and for 39 * sending requests to the supplicant daemon 40 * 41 * waitForEvent() is called on the monitor thread for events. All other methods 42 * must be serialized from the framework. 43 * 44 * {@hide} 45 */ 46public class WifiNative { 47 48 private static boolean DBG = false; 49 private final String mTAG; 50 private static final int DEFAULT_GROUP_OWNER_INTENT = 6; 51 52 static final int BLUETOOTH_COEXISTENCE_MODE_ENABLED = 0; 53 static final int BLUETOOTH_COEXISTENCE_MODE_DISABLED = 1; 54 static final int BLUETOOTH_COEXISTENCE_MODE_SENSE = 2; 55 56 static final int SCAN_WITHOUT_CONNECTION_SETUP = 1; 57 static final int SCAN_WITH_CONNECTION_SETUP = 2; 58 59 // Hold this lock before calling supplicant - it is required to 60 // mutually exclude access from Wifi and P2p state machines 61 static final Object mLock = new Object(); 62 63 public final String mInterfaceName; 64 public final String mInterfacePrefix; 65 66 private boolean mSuspendOptEnabled = false; 67 68 /* Register native functions */ 69 70 static { 71 /* Native functions are defined in libwifi-service.so */ 72 System.loadLibrary("wifi-service"); 73 registerNatives(); 74 } 75 76 private static native int registerNatives(); 77 78 public native static boolean loadDriver(); 79 80 public native static boolean isDriverLoaded(); 81 82 public native static boolean unloadDriver(); 83 84 public native static boolean startSupplicant(boolean p2pSupported); 85 86 /* Sends a kill signal to supplicant. To be used when we have lost connection 87 or when the supplicant is hung */ 88 public native static boolean killSupplicant(boolean p2pSupported); 89 90 private native boolean connectToSupplicantNative(); 91 92 private native void closeSupplicantConnectionNative(); 93 94 /** 95 * Wait for the supplicant to send an event, returning the event string. 96 * @return the event string sent by the supplicant. 97 */ 98 private native String waitForEventNative(); 99 100 private native boolean doBooleanCommandNative(String command); 101 102 private native int doIntCommandNative(String command); 103 104 private native String doStringCommandNative(String command); 105 106 public WifiNative(String interfaceName) { 107 mInterfaceName = interfaceName; 108 mTAG = "WifiNative-" + interfaceName; 109 if (!interfaceName.equals("p2p0")) { 110 mInterfacePrefix = "IFNAME=" + interfaceName + " "; 111 } else { 112 // commands for p2p0 interface don't need prefix 113 mInterfacePrefix = ""; 114 } 115 } 116 117 void enableVerboseLogging(int verbose) { 118 if (verbose > 0) { 119 DBG = true; 120 } else { 121 DBG = false; 122 } 123 } 124 125 private static final LocalLog mLocalLog = new LocalLog(1024); 126 127 // hold mLock before accessing mCmdIdLock 128 private static int sCmdId; 129 130 public LocalLog getLocalLog() { 131 return mLocalLog; 132 } 133 134 private static int getNewCmdIdLocked() { 135 return sCmdId++; 136 } 137 138 private void localLog(String s) { 139 if (mLocalLog != null) 140 mLocalLog.log(mInterfaceName + ": " + s); 141 } 142 143 public boolean connectToSupplicant() { 144 // No synchronization necessary .. it is implemented in WifiMonitor 145 localLog(mInterfacePrefix + "connectToSupplicant"); 146 return connectToSupplicantNative(); 147 } 148 149 public void closeSupplicantConnection() { 150 localLog(mInterfacePrefix + "closeSupplicantConnection"); 151 closeSupplicantConnectionNative(); 152 } 153 154 public String waitForEvent() { 155 // No synchronization necessary .. it is implemented in WifiMonitor 156 return waitForEventNative(); 157 } 158 159 private boolean doBooleanCommand(String command) { 160 if (DBG) Log.d(mTAG, "doBoolean: " + command); 161 synchronized (mLock) { 162 int cmdId = getNewCmdIdLocked(); 163 localLog(cmdId + "->" + mInterfacePrefix + command); 164 boolean result = doBooleanCommandNative(mInterfacePrefix + command); 165 localLog(cmdId + "<-" + result); 166 if (DBG) Log.d(mTAG, command + ": returned " + result); 167 return result; 168 } 169 } 170 171 private int doIntCommand(String command) { 172 if (DBG) Log.d(mTAG, "doInt: " + command); 173 synchronized (mLock) { 174 int cmdId = getNewCmdIdLocked(); 175 localLog(cmdId + "->" + mInterfacePrefix + command); 176 int result = doIntCommandNative(mInterfacePrefix + command); 177 localLog(cmdId + "<-" + result); 178 if (DBG) Log.d(mTAG, " returned " + result); 179 return result; 180 } 181 } 182 183 private String doStringCommand(String command) { 184 if (DBG) { 185 //GET_NETWORK commands flood the logs 186 if (!command.startsWith("GET_NETWORK")) { 187 Log.d(mTAG, "doString: [" + command + "]"); 188 } 189 } 190 synchronized (mLock) { 191 int cmdId = getNewCmdIdLocked(); 192 localLog(cmdId + "->" + mInterfacePrefix + command); 193 String result = doStringCommandNative(mInterfacePrefix + command); 194 if (result == null) { 195 if (DBG) Log.d(mTAG, "doStringCommandNative no result"); 196 } else { 197 localLog(cmdId + "<-" + result); 198 if (DBG) Log.d(mTAG, " returned " + result.replace("\n", " ")); 199 } 200 return result; 201 } 202 } 203 204 private String doStringCommandWithoutLogging(String command) { 205 if (DBG) { 206 //GET_NETWORK commands flood the logs 207 if (!command.startsWith("GET_NETWORK")) { 208 Log.d(mTAG, "doString: [" + command + "]"); 209 } 210 } 211 synchronized (mLock) { 212 return doStringCommandNative(mInterfacePrefix + command); 213 } 214 } 215 216 public boolean ping() { 217 String pong = doStringCommand("PING"); 218 return (pong != null && pong.equals("PONG")); 219 } 220 221 public void setSupplicantLogLevel(String level) { 222 doStringCommand("LOG_LEVEL " + level); 223 } 224 225 public String getFreqCapability() { 226 return doStringCommand("GET_CAPABILITY freq"); 227 } 228 229 public boolean scan(int type, String freqList) { 230 if (type == SCAN_WITHOUT_CONNECTION_SETUP) { 231 if (freqList == null) return doBooleanCommand("SCAN TYPE=ONLY"); 232 else return doBooleanCommand("SCAN TYPE=ONLY freq=" + freqList); 233 } else if (type == SCAN_WITH_CONNECTION_SETUP) { 234 if (freqList == null) return doBooleanCommand("SCAN"); 235 else return doBooleanCommand("SCAN freq=" + freqList); 236 } else { 237 throw new IllegalArgumentException("Invalid scan type"); 238 } 239 } 240 241 /* Does a graceful shutdown of supplicant. Is a common stop function for both p2p and sta. 242 * 243 * Note that underneath we use a harsh-sounding "terminate" supplicant command 244 * for a graceful stop and a mild-sounding "stop" interface 245 * to kill the process 246 */ 247 public boolean stopSupplicant() { 248 return doBooleanCommand("TERMINATE"); 249 } 250 251 public String listNetworks() { 252 return doStringCommand("LIST_NETWORKS"); 253 } 254 255 public int addNetwork() { 256 return doIntCommand("ADD_NETWORK"); 257 } 258 259 public boolean setNetworkVariable(int netId, String name, String value) { 260 if (TextUtils.isEmpty(name) || TextUtils.isEmpty(value)) return false; 261 return doBooleanCommand("SET_NETWORK " + netId + " " + name + " " + value); 262 } 263 264 public String getNetworkVariable(int netId, String name) { 265 if (TextUtils.isEmpty(name)) return null; 266 267 // GET_NETWORK will likely flood the logs ... 268 return doStringCommandWithoutLogging("GET_NETWORK " + netId + " " + name); 269 } 270 271 public boolean removeNetwork(int netId) { 272 return doBooleanCommand("REMOVE_NETWORK " + netId); 273 } 274 275 276 private void logDbg(String debug) { 277 long now = SystemClock.elapsedRealtimeNanos(); 278 String ts = String.format("[%,d us] ", now/1000); 279 Log.e("WifiNative: ", ts+debug+ " stack:" 280 + Thread.currentThread().getStackTrace()[2].getMethodName() +" - " 281 + Thread.currentThread().getStackTrace()[3].getMethodName() +" - " 282 + Thread.currentThread().getStackTrace()[4].getMethodName() +" - " 283 + Thread.currentThread().getStackTrace()[5].getMethodName()+" - " 284 + Thread.currentThread().getStackTrace()[6].getMethodName()); 285 286 } 287 public boolean enableNetwork(int netId, boolean disableOthers) { 288 if (DBG) logDbg("enableNetwork nid=" + Integer.toString(netId) 289 + " disableOthers=" + disableOthers); 290 if (disableOthers) { 291 return doBooleanCommand("SELECT_NETWORK " + netId); 292 } else { 293 return doBooleanCommand("ENABLE_NETWORK " + netId); 294 } 295 } 296 297 public boolean disableNetwork(int netId) { 298 if (DBG) logDbg("disableNetwork nid=" + Integer.toString(netId)); 299 return doBooleanCommand("DISABLE_NETWORK " + netId); 300 } 301 302 public boolean reconnect() { 303 if (DBG) logDbg("RECONNECT "); 304 return doBooleanCommand("RECONNECT"); 305 } 306 307 public boolean reassociate() { 308 if (DBG) logDbg("REASSOCIATE "); 309 return doBooleanCommand("REASSOCIATE"); 310 } 311 312 public boolean disconnect() { 313 if (DBG) logDbg("DISCONNECT "); 314 return doBooleanCommand("DISCONNECT"); 315 } 316 317 public String status() { 318 return doStringCommand("STATUS"); 319 } 320 321 public String getMacAddress() { 322 //Macaddr = XX.XX.XX.XX.XX.XX 323 String ret = doStringCommand("DRIVER MACADDR"); 324 if (!TextUtils.isEmpty(ret)) { 325 String[] tokens = ret.split(" = "); 326 if (tokens.length == 2) return tokens[1]; 327 } 328 return null; 329 } 330 331 /** 332 * Format of results: 333 * ================= 334 * id=1 335 * bssid=68:7f:74:d7:1b:6e 336 * freq=2412 337 * level=-43 338 * tsf=1344621975160944 339 * age=2623 340 * flags=[WPA2-PSK-CCMP][WPS][ESS] 341 * ssid=zubyb 342 * ==== 343 * 344 * RANGE=ALL gets all scan results 345 * RANGE=ID- gets results from ID 346 * MASK=<N> see wpa_supplicant/src/common/wpa_ctrl.h for details 347 */ 348 public String scanResults(int sid) { 349 return doStringCommandWithoutLogging("BSS RANGE=" + sid + "- MASK=0x21987"); 350 } 351 352 /** 353 * Format of result: 354 * id=1016 355 * bssid=00:03:7f:40:84:10 356 * freq=2462 357 * beacon_int=200 358 * capabilities=0x0431 359 * qual=0 360 * noise=0 361 * level=-46 362 * tsf=0000002669008476 363 * age=5 364 * ie=00105143412d485332302d52322d54455354010882848b960c12182403010b0706555... 365 * flags=[WPA2-EAP-CCMP][ESS][P2P][HS20] 366 * ssid=QCA-HS20-R2-TEST 367 * p2p_device_name= 368 * p2p_config_methods=0x0 369 * anqp_venue_name=02083d656e6757692d466920416c6c69616e63650a3239383920436f... 370 * anqp_network_auth_type=010000 371 * anqp_roaming_consortium=03506f9a05001bc504bd 372 * anqp_ip_addr_type_availability=0c 373 * anqp_nai_realm=0200300000246d61696c2e6578616d706c652e636f6d3b636973636f2... 374 * anqp_3gpp=000600040132f465 375 * anqp_domain_name=0b65786d61706c652e636f6d 376 * hs20_operator_friendly_name=11656e6757692d466920416c6c69616e63650e636869... 377 * hs20_wan_metrics=01c40900008001000000000a00 378 * hs20_connection_capability=0100000006140001061600000650000106bb010106bb0... 379 * hs20_osu_providers_list=0b5143412d4f53552d425353010901310015656e6757692d... 380 */ 381 public String scanResult(String bssid) { 382 return doStringCommand("BSS " + bssid); 383 } 384 385 /** 386 * Format of command 387 * DRIVER WLS_BATCHING SET SCANFREQ=x MSCAN=r BESTN=y CHANNEL=<z, w, t> RTT=s 388 * where x is an ascii representation of an integer number of seconds between scans 389 * r is an ascii representation of an integer number of scans per batch 390 * y is an ascii representation of an integer number of the max AP to remember per scan 391 * z, w, t represent a 1..n size list of channel numbers and/or 'A', 'B' values 392 * indicating entire ranges of channels 393 * s is an ascii representation of an integer number of highest-strength AP 394 * for which we'd like approximate distance reported 395 * 396 * The return value is an ascii integer representing a guess of the number of scans 397 * the firmware can remember before it runs out of buffer space or -1 on error 398 */ 399 public String setBatchedScanSettings(BatchedScanSettings settings) { 400 if (settings == null) { 401 return doStringCommand("DRIVER WLS_BATCHING STOP"); 402 } 403 String cmd = "DRIVER WLS_BATCHING SET SCANFREQ=" + settings.scanIntervalSec; 404 cmd += " MSCAN=" + settings.maxScansPerBatch; 405 if (settings.maxApPerScan != BatchedScanSettings.UNSPECIFIED) { 406 cmd += " BESTN=" + settings.maxApPerScan; 407 } 408 if (settings.channelSet != null && !settings.channelSet.isEmpty()) { 409 cmd += " CHANNEL=<"; 410 int i = 0; 411 for (String channel : settings.channelSet) { 412 cmd += (i > 0 ? "," : "") + channel; 413 ++i; 414 } 415 cmd += ">"; 416 } 417 if (settings.maxApForDistance != BatchedScanSettings.UNSPECIFIED) { 418 cmd += " RTT=" + settings.maxApForDistance; 419 } 420 return doStringCommand(cmd); 421 } 422 423 public String getBatchedScanResults() { 424 return doStringCommand("DRIVER WLS_BATCHING GET"); 425 } 426 427 public boolean startDriver() { 428 return doBooleanCommand("DRIVER START"); 429 } 430 431 public boolean stopDriver() { 432 return doBooleanCommand("DRIVER STOP"); 433 } 434 435 436 /** 437 * Start filtering out Multicast V4 packets 438 * @return {@code true} if the operation succeeded, {@code false} otherwise 439 * 440 * Multicast filtering rules work as follows: 441 * 442 * The driver can filter multicast (v4 and/or v6) and broadcast packets when in 443 * a power optimized mode (typically when screen goes off). 444 * 445 * In order to prevent the driver from filtering the multicast/broadcast packets, we have to 446 * add a DRIVER RXFILTER-ADD rule followed by DRIVER RXFILTER-START to make the rule effective 447 * 448 * DRIVER RXFILTER-ADD Num 449 * where Num = 0 - Unicast, 1 - Broadcast, 2 - Mutil4 or 3 - Multi6 450 * 451 * and DRIVER RXFILTER-START 452 * In order to stop the usage of these rules, we do 453 * 454 * DRIVER RXFILTER-STOP 455 * DRIVER RXFILTER-REMOVE Num 456 * where Num is as described for RXFILTER-ADD 457 * 458 * The SETSUSPENDOPT driver command overrides the filtering rules 459 */ 460 public boolean startFilteringMulticastV4Packets() { 461 return doBooleanCommand("DRIVER RXFILTER-STOP") 462 && doBooleanCommand("DRIVER RXFILTER-REMOVE 2") 463 && doBooleanCommand("DRIVER RXFILTER-START"); 464 } 465 466 /** 467 * Stop filtering out Multicast V4 packets. 468 * @return {@code true} if the operation succeeded, {@code false} otherwise 469 */ 470 public boolean stopFilteringMulticastV4Packets() { 471 return doBooleanCommand("DRIVER RXFILTER-STOP") 472 && doBooleanCommand("DRIVER RXFILTER-ADD 2") 473 && doBooleanCommand("DRIVER RXFILTER-START"); 474 } 475 476 /** 477 * Start filtering out Multicast V6 packets 478 * @return {@code true} if the operation succeeded, {@code false} otherwise 479 */ 480 public boolean startFilteringMulticastV6Packets() { 481 return doBooleanCommand("DRIVER RXFILTER-STOP") 482 && doBooleanCommand("DRIVER RXFILTER-REMOVE 3") 483 && doBooleanCommand("DRIVER RXFILTER-START"); 484 } 485 486 /** 487 * Stop filtering out Multicast V6 packets. 488 * @return {@code true} if the operation succeeded, {@code false} otherwise 489 */ 490 public boolean stopFilteringMulticastV6Packets() { 491 return doBooleanCommand("DRIVER RXFILTER-STOP") 492 && doBooleanCommand("DRIVER RXFILTER-ADD 3") 493 && doBooleanCommand("DRIVER RXFILTER-START"); 494 } 495 496 public int getBand() { 497 String ret = doStringCommand("DRIVER GETBAND"); 498 if (!TextUtils.isEmpty(ret)) { 499 //reply is "BAND X" where X is the band 500 String[] tokens = ret.split(" "); 501 try { 502 if (tokens.length == 2) return Integer.parseInt(tokens[1]); 503 } catch (NumberFormatException e) { 504 return -1; 505 } 506 } 507 return -1; 508 } 509 510 public boolean setBand(int band) { 511 return doBooleanCommand("DRIVER SETBAND " + band); 512 } 513 514 /** 515 * Sets the bluetooth coexistence mode. 516 * 517 * @param mode One of {@link #BLUETOOTH_COEXISTENCE_MODE_DISABLED}, 518 * {@link #BLUETOOTH_COEXISTENCE_MODE_ENABLED}, or 519 * {@link #BLUETOOTH_COEXISTENCE_MODE_SENSE}. 520 * @return Whether the mode was successfully set. 521 */ 522 public boolean setBluetoothCoexistenceMode(int mode) { 523 return doBooleanCommand("DRIVER BTCOEXMODE " + mode); 524 } 525 526 /** 527 * Enable or disable Bluetooth coexistence scan mode. When this mode is on, 528 * some of the low-level scan parameters used by the driver are changed to 529 * reduce interference with A2DP streaming. 530 * 531 * @param isSet whether to enable or disable this mode 532 * @return {@code true} if the command succeeded, {@code false} otherwise. 533 */ 534 public boolean setBluetoothCoexistenceScanMode(boolean setCoexScanMode) { 535 if (setCoexScanMode) { 536 return doBooleanCommand("DRIVER BTCOEXSCAN-START"); 537 } else { 538 return doBooleanCommand("DRIVER BTCOEXSCAN-STOP"); 539 } 540 } 541 542 public void enableSaveConfig() { 543 doBooleanCommand("SET update_config 1"); 544 } 545 546 public boolean saveConfig() { 547 return doBooleanCommand("SAVE_CONFIG"); 548 } 549 550 public boolean addToBlacklist(String bssid) { 551 if (TextUtils.isEmpty(bssid)) return false; 552 return doBooleanCommand("BLACKLIST " + bssid); 553 } 554 555 public boolean clearBlacklist() { 556 return doBooleanCommand("BLACKLIST clear"); 557 } 558 559 public boolean setSuspendOptimizations(boolean enabled) { 560 // if (mSuspendOptEnabled == enabled) return true; 561 mSuspendOptEnabled = enabled; 562 563 Log.e("native", "do suspend " + enabled); 564 if (enabled) { 565 return doBooleanCommand("DRIVER SETSUSPENDMODE 1"); 566 } else { 567 return doBooleanCommand("DRIVER SETSUSPENDMODE 0"); 568 } 569 } 570 571 public boolean setCountryCode(String countryCode) { 572 return doBooleanCommand("DRIVER COUNTRY " + countryCode.toUpperCase(Locale.ROOT)); 573 } 574 575 public void enableBackgroundScan(boolean enable) { 576 if (enable) { 577 doBooleanCommand("SET pno 1"); 578 } else { 579 doBooleanCommand("SET pno 0"); 580 } 581 } 582 583 public void enableAutoConnect(boolean enable) { 584 if (enable) { 585 doBooleanCommand("STA_AUTOCONNECT 1"); 586 } else { 587 doBooleanCommand("STA_AUTOCONNECT 0"); 588 } 589 } 590 591 public void setScanInterval(int scanInterval) { 592 doBooleanCommand("SCAN_INTERVAL " + scanInterval); 593 } 594 595 public void startTdls(String macAddr, boolean enable) { 596 if (enable) { 597 doBooleanCommand("TDLS_DISCOVER " + macAddr); 598 doBooleanCommand("TDLS_SETUP " + macAddr); 599 } else { 600 doBooleanCommand("TDLS_TEARDOWN " + macAddr); 601 } 602 } 603 604 /** Example output: 605 * RSSI=-65 606 * LINKSPEED=48 607 * NOISE=9999 608 * FREQUENCY=0 609 */ 610 public String signalPoll() { 611 return doStringCommandWithoutLogging("SIGNAL_POLL"); 612 } 613 614 /** Example outout: 615 * TXGOOD=396 616 * TXBAD=1 617 */ 618 public String pktcntPoll() { 619 return doStringCommand("PKTCNT_POLL"); 620 } 621 622 public void bssFlush() { 623 doBooleanCommand("BSS_FLUSH 0"); 624 } 625 626 public boolean startWpsPbc(String bssid) { 627 if (TextUtils.isEmpty(bssid)) { 628 return doBooleanCommand("WPS_PBC"); 629 } else { 630 return doBooleanCommand("WPS_PBC " + bssid); 631 } 632 } 633 634 public boolean startWpsPbc(String iface, String bssid) { 635 synchronized (mLock) { 636 if (TextUtils.isEmpty(bssid)) { 637 return doBooleanCommandNative("IFNAME=" + iface + " WPS_PBC"); 638 } else { 639 return doBooleanCommandNative("IFNAME=" + iface + " WPS_PBC " + bssid); 640 } 641 } 642 } 643 644 public boolean startWpsPinKeypad(String pin) { 645 if (TextUtils.isEmpty(pin)) return false; 646 return doBooleanCommand("WPS_PIN any " + pin); 647 } 648 649 public boolean startWpsPinKeypad(String iface, String pin) { 650 if (TextUtils.isEmpty(pin)) return false; 651 synchronized (mLock) { 652 return doBooleanCommandNative("IFNAME=" + iface + " WPS_PIN any " + pin); 653 } 654 } 655 656 657 public String startWpsPinDisplay(String bssid) { 658 if (TextUtils.isEmpty(bssid)) { 659 return doStringCommand("WPS_PIN any"); 660 } else { 661 return doStringCommand("WPS_PIN " + bssid); 662 } 663 } 664 665 public String startWpsPinDisplay(String iface, String bssid) { 666 synchronized (mLock) { 667 if (TextUtils.isEmpty(bssid)) { 668 return doStringCommandNative("IFNAME=" + iface + " WPS_PIN any"); 669 } else { 670 return doStringCommandNative("IFNAME=" + iface + " WPS_PIN " + bssid); 671 } 672 } 673 } 674 675 /* Configures an access point connection */ 676 public boolean startWpsRegistrar(String bssid, String pin) { 677 if (TextUtils.isEmpty(bssid) || TextUtils.isEmpty(pin)) return false; 678 return doBooleanCommand("WPS_REG " + bssid + " " + pin); 679 } 680 681 public boolean cancelWps() { 682 return doBooleanCommand("WPS_CANCEL"); 683 } 684 685 public boolean setPersistentReconnect(boolean enabled) { 686 int value = (enabled == true) ? 1 : 0; 687 return doBooleanCommand("SET persistent_reconnect " + value); 688 } 689 690 public boolean setDeviceName(String name) { 691 return doBooleanCommand("SET device_name " + name); 692 } 693 694 public boolean setDeviceType(String type) { 695 return doBooleanCommand("SET device_type " + type); 696 } 697 698 public boolean setConfigMethods(String cfg) { 699 return doBooleanCommand("SET config_methods " + cfg); 700 } 701 702 public boolean setManufacturer(String value) { 703 return doBooleanCommand("SET manufacturer " + value); 704 } 705 706 public boolean setModelName(String value) { 707 return doBooleanCommand("SET model_name " + value); 708 } 709 710 public boolean setModelNumber(String value) { 711 return doBooleanCommand("SET model_number " + value); 712 } 713 714 public boolean setSerialNumber(String value) { 715 return doBooleanCommand("SET serial_number " + value); 716 } 717 718 public boolean setP2pSsidPostfix(String postfix) { 719 return doBooleanCommand("SET p2p_ssid_postfix " + postfix); 720 } 721 722 public boolean setP2pGroupIdle(String iface, int time) { 723 synchronized (mLock) { 724 return doBooleanCommandNative("IFNAME=" + iface + " SET p2p_group_idle " + time); 725 } 726 } 727 728 public void setPowerSave(boolean enabled) { 729 if (enabled) { 730 doBooleanCommand("SET ps 1"); 731 } else { 732 doBooleanCommand("SET ps 0"); 733 } 734 } 735 736 public boolean setP2pPowerSave(String iface, boolean enabled) { 737 synchronized (mLock) { 738 if (enabled) { 739 return doBooleanCommandNative("IFNAME=" + iface + " P2P_SET ps 1"); 740 } else { 741 return doBooleanCommandNative("IFNAME=" + iface + " P2P_SET ps 0"); 742 } 743 } 744 } 745 746 public boolean setWfdEnable(boolean enable) { 747 return doBooleanCommand("SET wifi_display " + (enable ? "1" : "0")); 748 } 749 750 public boolean setWfdDeviceInfo(String hex) { 751 return doBooleanCommand("WFD_SUBELEM_SET 0 " + hex); 752 } 753 754 /** 755 * "sta" prioritizes STA connection over P2P and "p2p" prioritizes 756 * P2P connection over STA 757 */ 758 public boolean setConcurrencyPriority(String s) { 759 return doBooleanCommand("P2P_SET conc_pref " + s); 760 } 761 762 public boolean p2pFind() { 763 return doBooleanCommand("P2P_FIND"); 764 } 765 766 public boolean p2pFind(int timeout) { 767 if (timeout <= 0) { 768 return p2pFind(); 769 } 770 return doBooleanCommand("P2P_FIND " + timeout); 771 } 772 773 public boolean p2pStopFind() { 774 return doBooleanCommand("P2P_STOP_FIND"); 775 } 776 777 public boolean p2pListen() { 778 return doBooleanCommand("P2P_LISTEN"); 779 } 780 781 public boolean p2pListen(int timeout) { 782 if (timeout <= 0) { 783 return p2pListen(); 784 } 785 return doBooleanCommand("P2P_LISTEN " + timeout); 786 } 787 788 public boolean p2pExtListen(boolean enable, int period, int interval) { 789 if (enable && interval < period) { 790 return false; 791 } 792 return doBooleanCommand("P2P_EXT_LISTEN" 793 + (enable ? (" " + period + " " + interval) : "")); 794 } 795 796 public boolean p2pSetChannel(int lc, int oc) { 797 if (DBG) Log.d(mTAG, "p2pSetChannel: lc="+lc+", oc="+oc); 798 799 if (lc >=1 && lc <= 11) { 800 if (!doBooleanCommand("P2P_SET listen_channel " + lc)) { 801 return false; 802 } 803 } else if (lc != 0) { 804 return false; 805 } 806 807 if (oc >= 1 && oc <= 165 ) { 808 int freq = (oc <= 14 ? 2407 : 5000) + oc * 5; 809 return doBooleanCommand("P2P_SET disallow_freq 1000-" 810 + (freq - 5) + "," + (freq + 5) + "-6000"); 811 } else if (oc == 0) { 812 /* oc==0 disables "P2P_SET disallow_freq" (enables all freqs) */ 813 return doBooleanCommand("P2P_SET disallow_freq \"\""); 814 } 815 816 return false; 817 } 818 819 public boolean p2pFlush() { 820 return doBooleanCommand("P2P_FLUSH"); 821 } 822 823 /* p2p_connect <peer device address> <pbc|pin|PIN#> [label|display|keypad] 824 [persistent] [join|auth] [go_intent=<0..15>] [freq=<in MHz>] */ 825 public String p2pConnect(WifiP2pConfig config, boolean joinExistingGroup) { 826 if (config == null) return null; 827 List<String> args = new ArrayList<String>(); 828 WpsInfo wps = config.wps; 829 args.add(config.deviceAddress); 830 831 switch (wps.setup) { 832 case WpsInfo.PBC: 833 args.add("pbc"); 834 break; 835 case WpsInfo.DISPLAY: 836 if (TextUtils.isEmpty(wps.pin)) { 837 args.add("pin"); 838 } else { 839 args.add(wps.pin); 840 } 841 args.add("display"); 842 break; 843 case WpsInfo.KEYPAD: 844 args.add(wps.pin); 845 args.add("keypad"); 846 break; 847 case WpsInfo.LABEL: 848 args.add(wps.pin); 849 args.add("label"); 850 default: 851 break; 852 } 853 854 if (config.netId == WifiP2pGroup.PERSISTENT_NET_ID) { 855 args.add("persistent"); 856 } 857 858 if (joinExistingGroup) { 859 args.add("join"); 860 } else { 861 //TODO: This can be adapted based on device plugged in state and 862 //device battery state 863 int groupOwnerIntent = config.groupOwnerIntent; 864 if (groupOwnerIntent < 0 || groupOwnerIntent > 15) { 865 groupOwnerIntent = DEFAULT_GROUP_OWNER_INTENT; 866 } 867 args.add("go_intent=" + groupOwnerIntent); 868 } 869 870 String command = "P2P_CONNECT "; 871 for (String s : args) command += s + " "; 872 873 return doStringCommand(command); 874 } 875 876 public boolean p2pCancelConnect() { 877 return doBooleanCommand("P2P_CANCEL"); 878 } 879 880 public boolean p2pProvisionDiscovery(WifiP2pConfig config) { 881 if (config == null) return false; 882 883 switch (config.wps.setup) { 884 case WpsInfo.PBC: 885 return doBooleanCommand("P2P_PROV_DISC " + config.deviceAddress + " pbc"); 886 case WpsInfo.DISPLAY: 887 //We are doing display, so provision discovery is keypad 888 return doBooleanCommand("P2P_PROV_DISC " + config.deviceAddress + " keypad"); 889 case WpsInfo.KEYPAD: 890 //We are doing keypad, so provision discovery is display 891 return doBooleanCommand("P2P_PROV_DISC " + config.deviceAddress + " display"); 892 default: 893 break; 894 } 895 return false; 896 } 897 898 public boolean p2pGroupAdd(boolean persistent) { 899 if (persistent) { 900 return doBooleanCommand("P2P_GROUP_ADD persistent"); 901 } 902 return doBooleanCommand("P2P_GROUP_ADD"); 903 } 904 905 public boolean p2pGroupAdd(int netId) { 906 return doBooleanCommand("P2P_GROUP_ADD persistent=" + netId); 907 } 908 909 public boolean p2pGroupRemove(String iface) { 910 if (TextUtils.isEmpty(iface)) return false; 911 synchronized (mLock) { 912 return doBooleanCommandNative("IFNAME=" + iface + " P2P_GROUP_REMOVE " + iface); 913 } 914 } 915 916 public boolean p2pReject(String deviceAddress) { 917 return doBooleanCommand("P2P_REJECT " + deviceAddress); 918 } 919 920 /* Invite a peer to a group */ 921 public boolean p2pInvite(WifiP2pGroup group, String deviceAddress) { 922 if (TextUtils.isEmpty(deviceAddress)) return false; 923 924 if (group == null) { 925 return doBooleanCommand("P2P_INVITE peer=" + deviceAddress); 926 } else { 927 return doBooleanCommand("P2P_INVITE group=" + group.getInterface() 928 + " peer=" + deviceAddress + " go_dev_addr=" + group.getOwner().deviceAddress); 929 } 930 } 931 932 /* Reinvoke a persistent connection */ 933 public boolean p2pReinvoke(int netId, String deviceAddress) { 934 if (TextUtils.isEmpty(deviceAddress) || netId < 0) return false; 935 936 return doBooleanCommand("P2P_INVITE persistent=" + netId + " peer=" + deviceAddress); 937 } 938 939 public String p2pGetSsid(String deviceAddress) { 940 return p2pGetParam(deviceAddress, "oper_ssid"); 941 } 942 943 public String p2pGetDeviceAddress() { 944 Log.d(TAG, "p2pGetDeviceAddress"); 945 946 /* Explicitly calling the API without IFNAME= prefix to take care of the devices that 947 don't have p2p0 interface. Supplicant seems to be returning the correct address anyway. */ 948 String status = doStringCommandNative("STATUS"); 949 String result = ""; 950 951 if (status != null) { 952 String[] tokens = status.split("\n"); 953 for (String token : tokens) { 954 if (token.startsWith("p2p_device_address=")) { 955 String[] nameValue = token.split("="); 956 if (nameValue.length != 2) 957 break; 958 result = nameValue[1]; 959 } 960 } 961 } 962 963 Log.d(TAG, "p2pGetDeviceAddress returning " + result); 964 return result; 965 } 966 967 public int getGroupCapability(String deviceAddress) { 968 int gc = 0; 969 if (TextUtils.isEmpty(deviceAddress)) return gc; 970 String peerInfo = p2pPeer(deviceAddress); 971 if (TextUtils.isEmpty(peerInfo)) return gc; 972 973 String[] tokens = peerInfo.split("\n"); 974 for (String token : tokens) { 975 if (token.startsWith("group_capab=")) { 976 String[] nameValue = token.split("="); 977 if (nameValue.length != 2) break; 978 try { 979 return Integer.decode(nameValue[1]); 980 } catch(NumberFormatException e) { 981 return gc; 982 } 983 } 984 } 985 return gc; 986 } 987 988 public String p2pPeer(String deviceAddress) { 989 return doStringCommand("P2P_PEER " + deviceAddress); 990 } 991 992 private String p2pGetParam(String deviceAddress, String key) { 993 if (deviceAddress == null) return null; 994 995 String peerInfo = p2pPeer(deviceAddress); 996 if (peerInfo == null) return null; 997 String[] tokens= peerInfo.split("\n"); 998 999 key += "="; 1000 for (String token : tokens) { 1001 if (token.startsWith(key)) { 1002 String[] nameValue = token.split("="); 1003 if (nameValue.length != 2) break; 1004 return nameValue[1]; 1005 } 1006 } 1007 return null; 1008 } 1009 1010 public boolean p2pServiceAdd(WifiP2pServiceInfo servInfo) { 1011 /* 1012 * P2P_SERVICE_ADD bonjour <query hexdump> <RDATA hexdump> 1013 * P2P_SERVICE_ADD upnp <version hex> <service> 1014 * 1015 * e.g) 1016 * [Bonjour] 1017 * # IP Printing over TCP (PTR) (RDATA=MyPrinter._ipp._tcp.local.) 1018 * P2P_SERVICE_ADD bonjour 045f697070c00c000c01 094d795072696e746572c027 1019 * # IP Printing over TCP (TXT) (RDATA=txtvers=1,pdl=application/postscript) 1020 * P2P_SERVICE_ADD bonjour 096d797072696e746572045f697070c00c001001 1021 * 09747874766572733d311a70646c3d6170706c69636174696f6e2f706f7374736372797074 1022 * 1023 * [UPnP] 1024 * P2P_SERVICE_ADD upnp 10 uuid:6859dede-8574-59ab-9332-123456789012 1025 * P2P_SERVICE_ADD upnp 10 uuid:6859dede-8574-59ab-9332-123456789012::upnp:rootdevice 1026 * P2P_SERVICE_ADD upnp 10 uuid:6859dede-8574-59ab-9332-123456789012::urn:schemas-upnp 1027 * -org:device:InternetGatewayDevice:1 1028 * P2P_SERVICE_ADD upnp 10 uuid:6859dede-8574-59ab-9322-123456789012::urn:schemas-upnp 1029 * -org:service:ContentDirectory:2 1030 */ 1031 for (String s : servInfo.getSupplicantQueryList()) { 1032 String command = "P2P_SERVICE_ADD"; 1033 command += (" " + s); 1034 if (!doBooleanCommand(command)) { 1035 return false; 1036 } 1037 } 1038 return true; 1039 } 1040 1041 public boolean p2pServiceDel(WifiP2pServiceInfo servInfo) { 1042 /* 1043 * P2P_SERVICE_DEL bonjour <query hexdump> 1044 * P2P_SERVICE_DEL upnp <version hex> <service> 1045 */ 1046 for (String s : servInfo.getSupplicantQueryList()) { 1047 String command = "P2P_SERVICE_DEL "; 1048 1049 String[] data = s.split(" "); 1050 if (data.length < 2) { 1051 return false; 1052 } 1053 if ("upnp".equals(data[0])) { 1054 command += s; 1055 } else if ("bonjour".equals(data[0])) { 1056 command += data[0]; 1057 command += (" " + data[1]); 1058 } else { 1059 return false; 1060 } 1061 if (!doBooleanCommand(command)) { 1062 return false; 1063 } 1064 } 1065 return true; 1066 } 1067 1068 public boolean p2pServiceFlush() { 1069 return doBooleanCommand("P2P_SERVICE_FLUSH"); 1070 } 1071 1072 public String p2pServDiscReq(String addr, String query) { 1073 String command = "P2P_SERV_DISC_REQ"; 1074 command += (" " + addr); 1075 command += (" " + query); 1076 1077 return doStringCommand(command); 1078 } 1079 1080 public boolean p2pServDiscCancelReq(String id) { 1081 return doBooleanCommand("P2P_SERV_DISC_CANCEL_REQ " + id); 1082 } 1083 1084 /* Set the current mode of miracast operation. 1085 * 0 = disabled 1086 * 1 = operating as source 1087 * 2 = operating as sink 1088 */ 1089 public void setMiracastMode(int mode) { 1090 // Note: optional feature on the driver. It is ok for this to fail. 1091 doBooleanCommand("DRIVER MIRACAST " + mode); 1092 } 1093 1094 public boolean fetchAnqp(String bssid, String subtypes) { 1095 return doBooleanCommand("ANQP_GET " + bssid + " " + subtypes); 1096 } 1097 1098 /* WIFI HAL support */ 1099 1100 private static final String TAG = "WifiNative-HAL"; 1101 private static long sWifiHalHandle = 0; /* used by JNI to save wifi_handle */ 1102 private static long[] sWifiIfaceHandles = null; /* used by JNI to save interface handles */ 1103 private static int sWlan0Index = -1; 1104 private static int sP2p0Index = -1; 1105 1106 private static boolean sHalIsStarted = false; 1107 1108 private static native boolean startHalNative(); 1109 private static native void stopHalNative(); 1110 private static native void waitForHalEventNative(); 1111 1112 private static class MonitorThread extends Thread { 1113 public void run() { 1114 Log.i(TAG, "Waiting for HAL events mWifiHalHandle=" + Long.toString(sWifiHalHandle)); 1115 waitForHalEventNative(); 1116 } 1117 } 1118 1119 synchronized public static boolean startHal() { 1120 Log.i(TAG, "startHal"); 1121 synchronized (mLock) { 1122 if (sHalIsStarted) 1123 return true; 1124 if (startHalNative()) { 1125 new MonitorThread().start(); 1126 sHalIsStarted = true; 1127 return true; 1128 } else { 1129 Log.i(TAG, "Could not start hal"); 1130 sHalIsStarted = false; 1131 return false; 1132 } 1133 } 1134 } 1135 1136 synchronized public static void stopHal() { 1137 stopHalNative(); 1138 } 1139 1140 private static native int getInterfacesNative(); 1141 1142 synchronized public static int getInterfaces() { 1143 synchronized (mLock) { 1144 int num = getInterfacesNative(); 1145 int wifi_num = 0; 1146 for (int i = 0; i < num; i++) { 1147 String name = getInterfaceNameNative(i); 1148 Log.i(TAG, "interface[" + i + "] = " + name); 1149 if (name.equals("wlan0")) { 1150 sWlan0Index = i; 1151 wifi_num++; 1152 } else if (name.equals("p2p0")) { 1153 sP2p0Index = i; 1154 wifi_num++; 1155 } 1156 } 1157 return num; 1158 } 1159 } 1160 1161 private static native String getInterfaceNameNative(int index); 1162 synchronized public static String getInterfaceName(int index) { 1163 return getInterfaceNameNative(index); 1164 } 1165 1166 public static class ScanCapabilities { 1167 public int max_scan_cache_size; // in number of scan results?? 1168 public int max_scan_buckets; 1169 public int max_ap_cache_per_scan; 1170 public int max_rssi_sample_size; 1171 public int max_scan_reporting_threshold; // in number of scan results?? 1172 public int max_hotlist_aps; 1173 public int max_significant_wifi_change_aps; 1174 } 1175 1176 public static boolean getScanCapabilities(ScanCapabilities capabilities) { 1177 return getScanCapabilitiesNative(sWlan0Index, capabilities); 1178 } 1179 1180 private static native boolean getScanCapabilitiesNative( 1181 int iface, ScanCapabilities capabilities); 1182 1183 private static native boolean startScanNative(int iface, int id, ScanSettings settings); 1184 private static native boolean stopScanNative(int iface, int id); 1185 private static native ScanResult[] getScanResultsNative(int iface, boolean flush); 1186 private static native WifiLinkLayerStats getWifiLinkLayerStatsNative(int iface); 1187 1188 public static class ChannelSettings { 1189 int frequency; 1190 int dwell_time_ms; 1191 boolean passive; 1192 } 1193 1194 public static class BucketSettings { 1195 int bucket; 1196 int band; 1197 int period_ms; 1198 int report_events; 1199 int num_channels; 1200 ChannelSettings channels[]; 1201 } 1202 1203 public static class ScanSettings { 1204 int base_period_ms; 1205 int max_ap_per_scan; 1206 int report_threshold; 1207 int num_buckets; 1208 BucketSettings buckets[]; 1209 } 1210 1211 public static interface ScanEventHandler { 1212 void onScanResultsAvailable(); 1213 void onFullScanResult(ScanResult fullScanResult); 1214 void onScanPaused(); 1215 void onScanRestarted(); 1216 } 1217 1218 synchronized static void onScanResultsAvailable(int id) { 1219 sScanEventHandler.onScanResultsAvailable(); 1220 } 1221 1222 synchronized static void onFullScanResult(int id, ScanResult result, byte bytes[]) { 1223 Log.i(TAG, "Got a full scan results event, ssid = " + result.SSID + ", " + 1224 "num = " + bytes.length); 1225 1226 int num = 0; 1227 for (int i = 0; i < bytes.length; ) { 1228 num++; 1229 int type = (int) bytes[i] & 0xFF; 1230 int len = (int) bytes[i + 1] & 0xFF; 1231 if (len < 0) { 1232 Log.e(TAG, "bad length; returning"); 1233 return; 1234 } 1235 i += len + 2; 1236 Log.i(TAG, "bytes[" + i + "] = [" + type + ", " + len + "]" + ", next = " + i); 1237 } 1238 1239 ScanResult.InformationElement elements[] = new ScanResult.InformationElement[num]; 1240 for (int i = 0, index = 0; i < num; i++) { 1241 int type = (int) bytes[index] & 0xFF; 1242 int len = (int) bytes[index + 1] & 0xFF; 1243 Log.i(TAG, "index = " + index + ", type = " + type + ", len = " + len); 1244 ScanResult.InformationElement elem = new ScanResult.InformationElement(); 1245 elem.id = type; 1246 elem.bytes = new byte[len]; 1247 for (int j = 0; j < len; j++) { 1248 elem.bytes[j] = bytes[index + j + 2]; 1249 } 1250 elements[i] = elem; 1251 index += (len + 2); 1252 } 1253 1254 result.informationElements = elements; 1255 sScanEventHandler.onFullScanResult(result); 1256 } 1257 1258 private static int sScanCmdId = 0; 1259 private static ScanEventHandler sScanEventHandler; 1260 private static ScanSettings sScanSettings; 1261 1262 synchronized public static boolean startScan( 1263 ScanSettings settings, ScanEventHandler eventHandler) { 1264 synchronized (mLock) { 1265 1266 if (sScanCmdId != 0) { 1267 stopScan(); 1268 } else if (sScanSettings != null || sScanEventHandler != null) { 1269 /* current scan is paused; no need to stop it */ 1270 } 1271 1272 sScanCmdId = getNewCmdIdLocked(); 1273 1274 sScanSettings = settings; 1275 sScanEventHandler = eventHandler; 1276 1277 if (startScanNative(sWlan0Index, sScanCmdId, settings) == false) { 1278 sScanEventHandler = null; 1279 sScanSettings = null; 1280 return false; 1281 } 1282 1283 return true; 1284 } 1285 } 1286 1287 synchronized public static void stopScan() { 1288 synchronized (mLock) { 1289 stopScanNative(sWlan0Index, sScanCmdId); 1290 sScanSettings = null; 1291 sScanEventHandler = null; 1292 sScanCmdId = 0; 1293 } 1294 } 1295 1296 synchronized public static void pauseScan() { 1297 synchronized (mLock) { 1298 if (sScanCmdId != 0 && sScanSettings != null && sScanEventHandler != null) { 1299 Log.d(TAG, "Pausing scan"); 1300 stopScanNative(sWlan0Index, sScanCmdId); 1301 sScanCmdId = 0; 1302 sScanEventHandler.onScanPaused(); 1303 } 1304 } 1305 } 1306 1307 synchronized public static void restartScan() { 1308 synchronized (mLock) { 1309 if (sScanCmdId == 0 && sScanSettings != null && sScanEventHandler != null) { 1310 Log.d(TAG, "Restarting scan"); 1311 startScan(sScanSettings, sScanEventHandler); 1312 sScanEventHandler.onScanRestarted(); 1313 } 1314 } 1315 } 1316 1317 synchronized public static ScanResult[] getScanResults() { 1318 synchronized (mLock) { 1319 return getScanResultsNative(sWlan0Index, /* flush = */ false); 1320 } 1321 } 1322 1323 public static interface HotlistEventHandler { 1324 void onHotlistApFound (ScanResult[]result); 1325 } 1326 1327 private static int sHotlistCmdId = 0; 1328 private static HotlistEventHandler sHotlistEventHandler; 1329 1330 private native static boolean setHotlistNative(int iface, int id, 1331 WifiScanner.HotlistSettings settings); 1332 private native static boolean resetHotlistNative(int iface, int id); 1333 1334 synchronized public static boolean setHotlist(WifiScanner.HotlistSettings settings, 1335 HotlistEventHandler eventHandler) { 1336 synchronized (mLock) { 1337 if (sHotlistCmdId != 0) { 1338 return false; 1339 } else { 1340 sHotlistCmdId = getNewCmdIdLocked(); 1341 } 1342 1343 sHotlistEventHandler = eventHandler; 1344 if (setHotlistNative(sWlan0Index, sScanCmdId, settings) == false) { 1345 sHotlistEventHandler = null; 1346 return false; 1347 } 1348 1349 return true; 1350 } 1351 } 1352 1353 synchronized public static void resetHotlist() { 1354 synchronized (mLock) { 1355 if (sHotlistCmdId != 0) { 1356 resetHotlistNative(sWlan0Index, sHotlistCmdId); 1357 sHotlistCmdId = 0; 1358 sHotlistEventHandler = null; 1359 } 1360 } 1361 } 1362 1363 synchronized public static void onHotlistApFound(int id, ScanResult[] results) { 1364 synchronized (mLock) { 1365 sHotlistEventHandler.onHotlistApFound(results); 1366 } 1367 } 1368 1369 public static interface SignificantWifiChangeEventHandler { 1370 void onChangesFound(ScanResult[] result); 1371 } 1372 1373 private static SignificantWifiChangeEventHandler sSignificantWifiChangeHandler; 1374 private static int sSignificantWifiChangeCmdId; 1375 1376 private static native boolean trackSignificantWifiChangeNative( 1377 int iface, int id, WifiScanner.WifiChangeSettings settings); 1378 private static native boolean untrackSignificantWifiChangeNative(int iface, int id); 1379 1380 synchronized public static boolean trackSignificantWifiChange( 1381 WifiScanner.WifiChangeSettings settings, SignificantWifiChangeEventHandler handler) { 1382 synchronized (mLock) { 1383 if (sSignificantWifiChangeCmdId != 0) { 1384 return false; 1385 } else { 1386 sSignificantWifiChangeCmdId = getNewCmdIdLocked(); 1387 } 1388 1389 sSignificantWifiChangeHandler = handler; 1390 if (trackSignificantWifiChangeNative(sWlan0Index, sScanCmdId, settings) == false) { 1391 sHotlistEventHandler = null; 1392 return false; 1393 } 1394 1395 return true; 1396 } 1397 } 1398 1399 synchronized static void untrackSignificantWifiChange() { 1400 synchronized (mLock) { 1401 if (sSignificantWifiChangeCmdId != 0) { 1402 untrackSignificantWifiChangeNative(sWlan0Index, sSignificantWifiChangeCmdId); 1403 sSignificantWifiChangeCmdId = 0; 1404 sSignificantWifiChangeHandler = null; 1405 } 1406 } 1407 } 1408 1409 synchronized static void onSignificantWifiChange(int id, ScanResult[] results) { 1410 synchronized (mLock) { 1411 sSignificantWifiChangeHandler.onChangesFound(results); 1412 } 1413 } 1414 1415 synchronized public static WifiLinkLayerStats getWifiLinkLayerStats() { 1416 synchronized (mLock) { 1417 if (!sHalIsStarted) 1418 startHal(); 1419 if (sHalIsStarted) 1420 return getWifiLinkLayerStatsNative(sWlan0Index); 1421 } 1422 return null; 1423 } 1424 1425 /* 1426 * NFC-related calls 1427 */ 1428 public String getNfcWpsConfigurationToken(int netId) { 1429 return doStringCommand("WPS_NFC_CONFIG_TOKEN WPS " + netId); 1430 } 1431 1432 public String getNfcHandoverRequest() { 1433 return doStringCommand("NFC_GET_HANDOVER_REQ NDEF P2P-CR"); 1434 } 1435 1436 public String getNfcHandoverSelect() { 1437 return doStringCommand("NFC_GET_HANDOVER_SEL NDEF P2P-CR"); 1438 } 1439 1440 public boolean initiatorReportNfcHandover(String selectMessage) { 1441 return doBooleanCommand("NFC_REPORT_HANDOVER INIT P2P 00 " + selectMessage); 1442 } 1443 1444 public boolean responderReportNfcHandover(String requestMessage) { 1445 return doBooleanCommand("NFC_REPORT_HANDOVER RESP P2P " + requestMessage + " 00"); 1446 } 1447 1448 public static native int getSupportedFeatureSetNative(); 1449 synchronized public static int getSupportedFeatureSet() { 1450 return getSupportedFeatureSetNative(); 1451 } 1452 1453 /* Rtt related commands/events */ 1454 public static interface RttEventHandler { 1455 void onRttResults(RttManager.RttResult[] result); 1456 } 1457 1458 private static RttEventHandler sRttEventHandler; 1459 private static int sRttCmdId; 1460 1461 synchronized private static void onRttResults(int id, RttManager.RttResult[] results) { 1462 if (id == sRttCmdId) { 1463 sRttEventHandler.onRttResults(results); 1464 sRttCmdId = 0; 1465 } else { 1466 Log.d(TAG, "Received event for unknown cmd = " + id + ", current id = " + sRttCmdId); 1467 } 1468 } 1469 1470 private static native boolean requestRangeNative( 1471 int iface, int id, RttManager.RttParams[] params); 1472 private static native boolean cancelRangeRequestNative( 1473 int iface, int id, RttManager.RttParams[] params); 1474 1475 synchronized public static boolean requestRtt( 1476 RttManager.RttParams[] params, RttEventHandler handler) { 1477 synchronized (mLock) { 1478 if (sRttCmdId != 0) { 1479 return false; 1480 } else { 1481 sRttCmdId = getNewCmdIdLocked(); 1482 } 1483 sRttEventHandler = handler; 1484 return requestRangeNative(sWlan0Index, sRttCmdId, params); 1485 } 1486 } 1487 1488 synchronized public static boolean cancelRtt(RttManager.RttParams[] params) { 1489 synchronized(mLock) { 1490 if (sRttCmdId == 0) { 1491 return false; 1492 } 1493 1494 if (cancelRangeRequestNative(sWlan0Index, sRttCmdId, params)) { 1495 sRttEventHandler = null; 1496 return true; 1497 } else { 1498 return false; 1499 } 1500 } 1501 } 1502} 1503