WifiNative.java revision 7b581f46f6c9bc6edf0edd287d47106712fb2144
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 String toLog = Integer.toString(cmdId) + ":" + mInterfacePrefix + command; 164 boolean result = doBooleanCommandNative(mInterfacePrefix + command); 165 localLog(toLog + " -> " + 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 String toLog = Integer.toString(cmdId) + ":" + mInterfacePrefix + command; 176 int result = doIntCommandNative(mInterfacePrefix + command); 177 localLog(toLog + " -> " + 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 String toLog = Integer.toString(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 if (!command.startsWith("STATUS-")) { 198 localLog(toLog + " -> " + result); 199 } 200 if (DBG) Log.d(mTAG, " returned " + result.replace("\n", " ")); 201 } 202 return result; 203 } 204 } 205 206 private String doStringCommandWithoutLogging(String command) { 207 if (DBG) { 208 //GET_NETWORK commands flood the logs 209 if (!command.startsWith("GET_NETWORK")) { 210 Log.d(mTAG, "doString: [" + command + "]"); 211 } 212 } 213 synchronized (mLock) { 214 return doStringCommandNative(mInterfacePrefix + command); 215 } 216 } 217 218 public boolean ping() { 219 String pong = doStringCommand("PING"); 220 return (pong != null && pong.equals("PONG")); 221 } 222 223 public void setSupplicantLogLevel(String level) { 224 doStringCommand("LOG_LEVEL " + level); 225 } 226 227 public String getFreqCapability() { 228 return doStringCommand("GET_CAPABILITY freq"); 229 } 230 231 public boolean scan(int type, String freqList) { 232 if (type == SCAN_WITHOUT_CONNECTION_SETUP) { 233 if (freqList == null) return doBooleanCommand("SCAN TYPE=ONLY"); 234 else return doBooleanCommand("SCAN TYPE=ONLY freq=" + freqList); 235 } else if (type == SCAN_WITH_CONNECTION_SETUP) { 236 if (freqList == null) return doBooleanCommand("SCAN"); 237 else return doBooleanCommand("SCAN freq=" + freqList); 238 } else { 239 throw new IllegalArgumentException("Invalid scan type"); 240 } 241 } 242 243 /* Does a graceful shutdown of supplicant. Is a common stop function for both p2p and sta. 244 * 245 * Note that underneath we use a harsh-sounding "terminate" supplicant command 246 * for a graceful stop and a mild-sounding "stop" interface 247 * to kill the process 248 */ 249 public boolean stopSupplicant() { 250 return doBooleanCommand("TERMINATE"); 251 } 252 253 public String listNetworks() { 254 return doStringCommand("LIST_NETWORKS"); 255 } 256 257 public int addNetwork() { 258 return doIntCommand("ADD_NETWORK"); 259 } 260 261 public boolean setNetworkVariable(int netId, String name, String value) { 262 if (TextUtils.isEmpty(name) || TextUtils.isEmpty(value)) return false; 263 return doBooleanCommand("SET_NETWORK " + netId + " " + name + " " + value); 264 } 265 266 public String getNetworkVariable(int netId, String name) { 267 if (TextUtils.isEmpty(name)) return null; 268 269 // GET_NETWORK will likely flood the logs ... 270 return doStringCommandWithoutLogging("GET_NETWORK " + netId + " " + name); 271 } 272 273 public boolean removeNetwork(int netId) { 274 return doBooleanCommand("REMOVE_NETWORK " + netId); 275 } 276 277 278 private void logDbg(String debug) { 279 long now = SystemClock.elapsedRealtimeNanos(); 280 String ts = String.format("[%,d us] ", now/1000); 281 Log.e("WifiNative: ", ts+debug+ " stack:" 282 + Thread.currentThread().getStackTrace()[2].getMethodName() +" - " 283 + Thread.currentThread().getStackTrace()[3].getMethodName() +" - " 284 + Thread.currentThread().getStackTrace()[4].getMethodName() +" - " 285 + Thread.currentThread().getStackTrace()[5].getMethodName()+" - " 286 + Thread.currentThread().getStackTrace()[6].getMethodName()); 287 288 } 289 public boolean enableNetwork(int netId, boolean disableOthers) { 290 if (DBG) logDbg("enableNetwork nid=" + Integer.toString(netId) 291 + " disableOthers=" + disableOthers); 292 if (disableOthers) { 293 return doBooleanCommand("SELECT_NETWORK " + netId); 294 } else { 295 return doBooleanCommand("ENABLE_NETWORK " + netId); 296 } 297 } 298 299 public boolean disableNetwork(int netId) { 300 if (DBG) logDbg("disableNetwork nid=" + Integer.toString(netId)); 301 return doBooleanCommand("DISABLE_NETWORK " + netId); 302 } 303 304 public boolean reconnect() { 305 if (DBG) logDbg("RECONNECT "); 306 return doBooleanCommand("RECONNECT"); 307 } 308 309 public boolean reassociate() { 310 if (DBG) logDbg("REASSOCIATE "); 311 return doBooleanCommand("REASSOCIATE"); 312 } 313 314 public boolean disconnect() { 315 if (DBG) logDbg("DISCONNECT "); 316 return doBooleanCommand("DISCONNECT"); 317 } 318 319 public String status() { 320 return status(false); 321 } 322 323 public String status(boolean noEvents) { 324 if (noEvents) { 325 return doStringCommand("STATUS-NO_EVENTS"); 326 } else { 327 return doStringCommand("STATUS"); 328 } 329 } 330 331 332 public String getMacAddress() { 333 //Macaddr = XX.XX.XX.XX.XX.XX 334 String ret = doStringCommand("DRIVER MACADDR"); 335 if (!TextUtils.isEmpty(ret)) { 336 String[] tokens = ret.split(" = "); 337 if (tokens.length == 2) return tokens[1]; 338 } 339 return null; 340 } 341 342 /** 343 * Format of results: 344 * ================= 345 * id=1 346 * bssid=68:7f:74:d7:1b:6e 347 * freq=2412 348 * level=-43 349 * tsf=1344621975160944 350 * age=2623 351 * flags=[WPA2-PSK-CCMP][WPS][ESS] 352 * ssid=zubyb 353 * ==== 354 * 355 * RANGE=ALL gets all scan results 356 * RANGE=ID- gets results from ID 357 * MASK=<N> see wpa_supplicant/src/common/wpa_ctrl.h for details 358 */ 359 public String scanResults(int sid) { 360 return doStringCommandWithoutLogging("BSS RANGE=" + sid + "- MASK=0x21987"); 361 } 362 363 /** 364 * Format of result: 365 * id=1016 366 * bssid=00:03:7f:40:84:10 367 * freq=2462 368 * beacon_int=200 369 * capabilities=0x0431 370 * qual=0 371 * noise=0 372 * level=-46 373 * tsf=0000002669008476 374 * age=5 375 * ie=00105143412d485332302d52322d54455354010882848b960c12182403010b0706555... 376 * flags=[WPA2-EAP-CCMP][ESS][P2P][HS20] 377 * ssid=QCA-HS20-R2-TEST 378 * p2p_device_name= 379 * p2p_config_methods=0x0SET_NE 380 * anqp_venue_name=02083d656e6757692d466920416c6c69616e63650a3239383920436f... 381 * anqp_network_auth_type=010000 382 * anqp_roaming_consortium=03506f9a05001bc504bd 383 * anqp_ip_addr_type_availability=0c 384 * anqp_nai_realm=0200300000246d61696c2e6578616d706c652e636f6d3b636973636f2... 385 * anqp_3gpp=000600040132f465 386 * anqp_domain_name=0b65786d61706c652e636f6d 387 * hs20_operator_friendly_name=11656e6757692d466920416c6c69616e63650e636869... 388 * hs20_wan_metrics=01c40900008001000000000a00 389 * hs20_connection_capability=0100000006140001061600000650000106bb010106bb0... 390 * hs20_osu_providers_list=0b5143412d4f53552d425353010901310015656e6757692d... 391 */ 392 public String scanResult(String bssid) { 393 return doStringCommand("BSS " + bssid); 394 } 395 396 /** 397 * Format of command 398 * DRIVER WLS_BATCHING SET SCANFREQ=x MSCAN=r BESTN=y CHANNEL=<z, w, t> RTT=s 399 * where x is an ascii representation of an integer number of seconds between scans 400 * r is an ascii representation of an integer number of scans per batch 401 * y is an ascii representation of an integer number of the max AP to remember per scan 402 * z, w, t represent a 1..n size list of channel numbers and/or 'A', 'B' values 403 * indicating entire ranges of channels 404 * s is an ascii representation of an integer number of highest-strength AP 405 * for which we'd like approximate distance reported 406 * 407 * The return value is an ascii integer representing a guess of the number of scans 408 * the firmware can remember before it runs out of buffer space or -1 on error 409 */ 410 public String setBatchedScanSettings(BatchedScanSettings settings) { 411 if (settings == null) { 412 return doStringCommand("DRIVER WLS_BATCHING STOP"); 413 } 414 String cmd = "DRIVER WLS_BATCHING SET SCANFREQ=" + settings.scanIntervalSec; 415 cmd += " MSCAN=" + settings.maxScansPerBatch; 416 if (settings.maxApPerScan != BatchedScanSettings.UNSPECIFIED) { 417 cmd += " BESTN=" + settings.maxApPerScan; 418 } 419 if (settings.channelSet != null && !settings.channelSet.isEmpty()) { 420 cmd += " CHANNEL=<"; 421 int i = 0; 422 for (String channel : settings.channelSet) { 423 cmd += (i > 0 ? "," : "") + channel; 424 ++i; 425 } 426 cmd += ">"; 427 } 428 if (settings.maxApForDistance != BatchedScanSettings.UNSPECIFIED) { 429 cmd += " RTT=" + settings.maxApForDistance; 430 } 431 return doStringCommand(cmd); 432 } 433 434 public String getBatchedScanResults() { 435 return doStringCommand("DRIVER WLS_BATCHING GET"); 436 } 437 438 public boolean startDriver() { 439 return doBooleanCommand("DRIVER START"); 440 } 441 442 public boolean stopDriver() { 443 return doBooleanCommand("DRIVER STOP"); 444 } 445 446 447 /** 448 * Start filtering out Multicast V4 packets 449 * @return {@code true} if the operation succeeded, {@code false} otherwise 450 * 451 * Multicast filtering rules work as follows: 452 * 453 * The driver can filter multicast (v4 and/or v6) and broadcast packets when in 454 * a power optimized mode (typically when screen goes off). 455 * 456 * In order to prevent the driver from filtering the multicast/broadcast packets, we have to 457 * add a DRIVER RXFILTER-ADD rule followed by DRIVER RXFILTER-START to make the rule effective 458 * 459 * DRIVER RXFILTER-ADD Num 460 * where Num = 0 - Unicast, 1 - Broadcast, 2 - Mutil4 or 3 - Multi6 461 * 462 * and DRIVER RXFILTER-START 463 * In order to stop the usage of these rules, we do 464 * 465 * DRIVER RXFILTER-STOP 466 * DRIVER RXFILTER-REMOVE Num 467 * where Num is as described for RXFILTER-ADD 468 * 469 * The SETSUSPENDOPT driver command overrides the filtering rules 470 */ 471 public boolean startFilteringMulticastV4Packets() { 472 return doBooleanCommand("DRIVER RXFILTER-STOP") 473 && doBooleanCommand("DRIVER RXFILTER-REMOVE 2") 474 && doBooleanCommand("DRIVER RXFILTER-START"); 475 } 476 477 /** 478 * Stop filtering out Multicast V4 packets. 479 * @return {@code true} if the operation succeeded, {@code false} otherwise 480 */ 481 public boolean stopFilteringMulticastV4Packets() { 482 return doBooleanCommand("DRIVER RXFILTER-STOP") 483 && doBooleanCommand("DRIVER RXFILTER-ADD 2") 484 && doBooleanCommand("DRIVER RXFILTER-START"); 485 } 486 487 /** 488 * Start filtering out Multicast V6 packets 489 * @return {@code true} if the operation succeeded, {@code false} otherwise 490 */ 491 public boolean startFilteringMulticastV6Packets() { 492 return doBooleanCommand("DRIVER RXFILTER-STOP") 493 && doBooleanCommand("DRIVER RXFILTER-REMOVE 3") 494 && doBooleanCommand("DRIVER RXFILTER-START"); 495 } 496 497 /** 498 * Stop filtering out Multicast V6 packets. 499 * @return {@code true} if the operation succeeded, {@code false} otherwise 500 */ 501 public boolean stopFilteringMulticastV6Packets() { 502 return doBooleanCommand("DRIVER RXFILTER-STOP") 503 && doBooleanCommand("DRIVER RXFILTER-ADD 3") 504 && doBooleanCommand("DRIVER RXFILTER-START"); 505 } 506 507 public int getBand() { 508 String ret = doStringCommand("DRIVER GETBAND"); 509 if (!TextUtils.isEmpty(ret)) { 510 //reply is "BAND X" where X is the band 511 String[] tokens = ret.split(" "); 512 try { 513 if (tokens.length == 2) return Integer.parseInt(tokens[1]); 514 } catch (NumberFormatException e) { 515 return -1; 516 } 517 } 518 return -1; 519 } 520 521 public boolean setBand(int band) { 522 return doBooleanCommand("DRIVER SETBAND " + band); 523 } 524 525 /** 526 * Sets the bluetooth coexistence mode. 527 * 528 * @param mode One of {@link #BLUETOOTH_COEXISTENCE_MODE_DISABLED}, 529 * {@link #BLUETOOTH_COEXISTENCE_MODE_ENABLED}, or 530 * {@link #BLUETOOTH_COEXISTENCE_MODE_SENSE}. 531 * @return Whether the mode was successfully set. 532 */ 533 public boolean setBluetoothCoexistenceMode(int mode) { 534 return doBooleanCommand("DRIVER BTCOEXMODE " + mode); 535 } 536 537 /** 538 * Enable or disable Bluetooth coexistence scan mode. When this mode is on, 539 * some of the low-level scan parameters used by the driver are changed to 540 * reduce interference with A2DP streaming. 541 * 542 * @param isSet whether to enable or disable this mode 543 * @return {@code true} if the command succeeded, {@code false} otherwise. 544 */ 545 public boolean setBluetoothCoexistenceScanMode(boolean setCoexScanMode) { 546 if (setCoexScanMode) { 547 return doBooleanCommand("DRIVER BTCOEXSCAN-START"); 548 } else { 549 return doBooleanCommand("DRIVER BTCOEXSCAN-STOP"); 550 } 551 } 552 553 public void enableSaveConfig() { 554 doBooleanCommand("SET update_config 1"); 555 } 556 557 public boolean saveConfig() { 558 return doBooleanCommand("SAVE_CONFIG"); 559 } 560 561 public boolean addToBlacklist(String bssid) { 562 if (TextUtils.isEmpty(bssid)) return false; 563 return doBooleanCommand("BLACKLIST " + bssid); 564 } 565 566 public boolean clearBlacklist() { 567 return doBooleanCommand("BLACKLIST clear"); 568 } 569 570 public boolean setSuspendOptimizations(boolean enabled) { 571 // if (mSuspendOptEnabled == enabled) return true; 572 mSuspendOptEnabled = enabled; 573 574 Log.e("native", "do suspend " + enabled); 575 if (enabled) { 576 return doBooleanCommand("DRIVER SETSUSPENDMODE 1"); 577 } else { 578 return doBooleanCommand("DRIVER SETSUSPENDMODE 0"); 579 } 580 } 581 582 public boolean setCountryCode(String countryCode) { 583 return doBooleanCommand("DRIVER COUNTRY " + countryCode.toUpperCase(Locale.ROOT)); 584 } 585 586 public void enableBackgroundScan(boolean enable) { 587 if (enable) { 588 doBooleanCommand("SET pno 1"); 589 } else { 590 doBooleanCommand("SET pno 0"); 591 } 592 } 593 594 public void enableAutoConnect(boolean enable) { 595 if (enable) { 596 doBooleanCommand("STA_AUTOCONNECT 1"); 597 } else { 598 doBooleanCommand("STA_AUTOCONNECT 0"); 599 } 600 } 601 602 public void setScanInterval(int scanInterval) { 603 doBooleanCommand("SCAN_INTERVAL " + scanInterval); 604 } 605 606 public void startTdls(String macAddr, boolean enable) { 607 if (enable) { 608 doBooleanCommand("TDLS_DISCOVER " + macAddr); 609 doBooleanCommand("TDLS_SETUP " + macAddr); 610 } else { 611 doBooleanCommand("TDLS_TEARDOWN " + macAddr); 612 } 613 } 614 615 /** Example output: 616 * RSSI=-65 617 * LINKSPEED=48 618 * NOISE=9999 619 * FREQUENCY=0 620 */ 621 public String signalPoll() { 622 return doStringCommandWithoutLogging("SIGNAL_POLL"); 623 } 624 625 /** Example outout: 626 * TXGOOD=396 627 * TXBAD=1 628 */ 629 public String pktcntPoll() { 630 return doStringCommand("PKTCNT_POLL"); 631 } 632 633 public void bssFlush() { 634 doBooleanCommand("BSS_FLUSH 0"); 635 } 636 637 public boolean startWpsPbc(String bssid) { 638 if (TextUtils.isEmpty(bssid)) { 639 return doBooleanCommand("WPS_PBC"); 640 } else { 641 return doBooleanCommand("WPS_PBC " + bssid); 642 } 643 } 644 645 public boolean startWpsPbc(String iface, String bssid) { 646 synchronized (mLock) { 647 if (TextUtils.isEmpty(bssid)) { 648 return doBooleanCommandNative("IFNAME=" + iface + " WPS_PBC"); 649 } else { 650 return doBooleanCommandNative("IFNAME=" + iface + " WPS_PBC " + bssid); 651 } 652 } 653 } 654 655 public boolean startWpsPinKeypad(String pin) { 656 if (TextUtils.isEmpty(pin)) return false; 657 return doBooleanCommand("WPS_PIN any " + pin); 658 } 659 660 public boolean startWpsPinKeypad(String iface, String pin) { 661 if (TextUtils.isEmpty(pin)) return false; 662 synchronized (mLock) { 663 return doBooleanCommandNative("IFNAME=" + iface + " WPS_PIN any " + pin); 664 } 665 } 666 667 668 public String startWpsPinDisplay(String bssid) { 669 if (TextUtils.isEmpty(bssid)) { 670 return doStringCommand("WPS_PIN any"); 671 } else { 672 return doStringCommand("WPS_PIN " + bssid); 673 } 674 } 675 676 public String startWpsPinDisplay(String iface, String bssid) { 677 synchronized (mLock) { 678 if (TextUtils.isEmpty(bssid)) { 679 return doStringCommandNative("IFNAME=" + iface + " WPS_PIN any"); 680 } else { 681 return doStringCommandNative("IFNAME=" + iface + " WPS_PIN " + bssid); 682 } 683 } 684 } 685 686 public boolean setExternalSim(boolean external) { 687 synchronized (mLock) { 688 String value = external ? "1" : "0"; 689 Log.d(TAG, "Setting external_sim to " + value); 690 return doBooleanCommand("SET external_sim " + value); 691 } 692 } 693 694 public boolean simAuthResponse(int id, String response) { 695 synchronized (mLock) { 696 return doBooleanCommand("CTRL-RSP-SIM-" + id + ":GSM-AUTH" + response); 697 } 698 } 699 700 /* Configures an access point connection */ 701 public boolean startWpsRegistrar(String bssid, String pin) { 702 if (TextUtils.isEmpty(bssid) || TextUtils.isEmpty(pin)) return false; 703 return doBooleanCommand("WPS_REG " + bssid + " " + pin); 704 } 705 706 public boolean cancelWps() { 707 return doBooleanCommand("WPS_CANCEL"); 708 } 709 710 public boolean setPersistentReconnect(boolean enabled) { 711 int value = (enabled == true) ? 1 : 0; 712 return doBooleanCommand("SET persistent_reconnect " + value); 713 } 714 715 public boolean setDeviceName(String name) { 716 return doBooleanCommand("SET device_name " + name); 717 } 718 719 public boolean setDeviceType(String type) { 720 return doBooleanCommand("SET device_type " + type); 721 } 722 723 public boolean setConfigMethods(String cfg) { 724 return doBooleanCommand("SET config_methods " + cfg); 725 } 726 727 public boolean setManufacturer(String value) { 728 return doBooleanCommand("SET manufacturer " + value); 729 } 730 731 public boolean setModelName(String value) { 732 return doBooleanCommand("SET model_name " + value); 733 } 734 735 public boolean setModelNumber(String value) { 736 return doBooleanCommand("SET model_number " + value); 737 } 738 739 public boolean setSerialNumber(String value) { 740 return doBooleanCommand("SET serial_number " + value); 741 } 742 743 public boolean setP2pSsidPostfix(String postfix) { 744 return doBooleanCommand("SET p2p_ssid_postfix " + postfix); 745 } 746 747 public boolean setP2pGroupIdle(String iface, int time) { 748 synchronized (mLock) { 749 return doBooleanCommandNative("IFNAME=" + iface + " SET p2p_group_idle " + time); 750 } 751 } 752 753 public void setPowerSave(boolean enabled) { 754 if (enabled) { 755 doBooleanCommand("SET ps 1"); 756 } else { 757 doBooleanCommand("SET ps 0"); 758 } 759 } 760 761 public boolean setP2pPowerSave(String iface, boolean enabled) { 762 synchronized (mLock) { 763 if (enabled) { 764 return doBooleanCommandNative("IFNAME=" + iface + " P2P_SET ps 1"); 765 } else { 766 return doBooleanCommandNative("IFNAME=" + iface + " P2P_SET ps 0"); 767 } 768 } 769 } 770 771 public boolean setWfdEnable(boolean enable) { 772 return doBooleanCommand("SET wifi_display " + (enable ? "1" : "0")); 773 } 774 775 public boolean setWfdDeviceInfo(String hex) { 776 return doBooleanCommand("WFD_SUBELEM_SET 0 " + hex); 777 } 778 779 /** 780 * "sta" prioritizes STA connection over P2P and "p2p" prioritizes 781 * P2P connection over STA 782 */ 783 public boolean setConcurrencyPriority(String s) { 784 return doBooleanCommand("P2P_SET conc_pref " + s); 785 } 786 787 public boolean p2pFind() { 788 return doBooleanCommand("P2P_FIND"); 789 } 790 791 public boolean p2pFind(int timeout) { 792 if (timeout <= 0) { 793 return p2pFind(); 794 } 795 return doBooleanCommand("P2P_FIND " + timeout); 796 } 797 798 public boolean p2pStopFind() { 799 return doBooleanCommand("P2P_STOP_FIND"); 800 } 801 802 public boolean p2pListen() { 803 return doBooleanCommand("P2P_LISTEN"); 804 } 805 806 public boolean p2pListen(int timeout) { 807 if (timeout <= 0) { 808 return p2pListen(); 809 } 810 return doBooleanCommand("P2P_LISTEN " + timeout); 811 } 812 813 public boolean p2pExtListen(boolean enable, int period, int interval) { 814 if (enable && interval < period) { 815 return false; 816 } 817 return doBooleanCommand("P2P_EXT_LISTEN" 818 + (enable ? (" " + period + " " + interval) : "")); 819 } 820 821 public boolean p2pSetChannel(int lc, int oc) { 822 if (DBG) Log.d(mTAG, "p2pSetChannel: lc="+lc+", oc="+oc); 823 824 if (lc >=1 && lc <= 11) { 825 if (!doBooleanCommand("P2P_SET listen_channel " + lc)) { 826 return false; 827 } 828 } else if (lc != 0) { 829 return false; 830 } 831 832 if (oc >= 1 && oc <= 165 ) { 833 int freq = (oc <= 14 ? 2407 : 5000) + oc * 5; 834 return doBooleanCommand("P2P_SET disallow_freq 1000-" 835 + (freq - 5) + "," + (freq + 5) + "-6000"); 836 } else if (oc == 0) { 837 /* oc==0 disables "P2P_SET disallow_freq" (enables all freqs) */ 838 return doBooleanCommand("P2P_SET disallow_freq \"\""); 839 } 840 841 return false; 842 } 843 844 public boolean p2pFlush() { 845 return doBooleanCommand("P2P_FLUSH"); 846 } 847 848 /* p2p_connect <peer device address> <pbc|pin|PIN#> [label|display|keypad] 849 [persistent] [join|auth] [go_intent=<0..15>] [freq=<in MHz>] */ 850 public String p2pConnect(WifiP2pConfig config, boolean joinExistingGroup) { 851 if (config == null) return null; 852 List<String> args = new ArrayList<String>(); 853 WpsInfo wps = config.wps; 854 args.add(config.deviceAddress); 855 856 switch (wps.setup) { 857 case WpsInfo.PBC: 858 args.add("pbc"); 859 break; 860 case WpsInfo.DISPLAY: 861 if (TextUtils.isEmpty(wps.pin)) { 862 args.add("pin"); 863 } else { 864 args.add(wps.pin); 865 } 866 args.add("display"); 867 break; 868 case WpsInfo.KEYPAD: 869 args.add(wps.pin); 870 args.add("keypad"); 871 break; 872 case WpsInfo.LABEL: 873 args.add(wps.pin); 874 args.add("label"); 875 default: 876 break; 877 } 878 879 if (config.netId == WifiP2pGroup.PERSISTENT_NET_ID) { 880 args.add("persistent"); 881 } 882 883 if (joinExistingGroup) { 884 args.add("join"); 885 } else { 886 //TODO: This can be adapted based on device plugged in state and 887 //device battery state 888 int groupOwnerIntent = config.groupOwnerIntent; 889 if (groupOwnerIntent < 0 || groupOwnerIntent > 15) { 890 groupOwnerIntent = DEFAULT_GROUP_OWNER_INTENT; 891 } 892 args.add("go_intent=" + groupOwnerIntent); 893 } 894 895 String command = "P2P_CONNECT "; 896 for (String s : args) command += s + " "; 897 898 return doStringCommand(command); 899 } 900 901 public boolean p2pCancelConnect() { 902 return doBooleanCommand("P2P_CANCEL"); 903 } 904 905 public boolean p2pProvisionDiscovery(WifiP2pConfig config) { 906 if (config == null) return false; 907 908 switch (config.wps.setup) { 909 case WpsInfo.PBC: 910 return doBooleanCommand("P2P_PROV_DISC " + config.deviceAddress + " pbc"); 911 case WpsInfo.DISPLAY: 912 //We are doing display, so provision discovery is keypad 913 return doBooleanCommand("P2P_PROV_DISC " + config.deviceAddress + " keypad"); 914 case WpsInfo.KEYPAD: 915 //We are doing keypad, so provision discovery is display 916 return doBooleanCommand("P2P_PROV_DISC " + config.deviceAddress + " display"); 917 default: 918 break; 919 } 920 return false; 921 } 922 923 public boolean p2pGroupAdd(boolean persistent) { 924 if (persistent) { 925 return doBooleanCommand("P2P_GROUP_ADD persistent"); 926 } 927 return doBooleanCommand("P2P_GROUP_ADD"); 928 } 929 930 public boolean p2pGroupAdd(int netId) { 931 return doBooleanCommand("P2P_GROUP_ADD persistent=" + netId); 932 } 933 934 public boolean p2pGroupRemove(String iface) { 935 if (TextUtils.isEmpty(iface)) return false; 936 synchronized (mLock) { 937 return doBooleanCommandNative("IFNAME=" + iface + " P2P_GROUP_REMOVE " + iface); 938 } 939 } 940 941 public boolean p2pReject(String deviceAddress) { 942 return doBooleanCommand("P2P_REJECT " + deviceAddress); 943 } 944 945 /* Invite a peer to a group */ 946 public boolean p2pInvite(WifiP2pGroup group, String deviceAddress) { 947 if (TextUtils.isEmpty(deviceAddress)) return false; 948 949 if (group == null) { 950 return doBooleanCommand("P2P_INVITE peer=" + deviceAddress); 951 } else { 952 return doBooleanCommand("P2P_INVITE group=" + group.getInterface() 953 + " peer=" + deviceAddress + " go_dev_addr=" + group.getOwner().deviceAddress); 954 } 955 } 956 957 /* Reinvoke a persistent connection */ 958 public boolean p2pReinvoke(int netId, String deviceAddress) { 959 if (TextUtils.isEmpty(deviceAddress) || netId < 0) return false; 960 961 return doBooleanCommand("P2P_INVITE persistent=" + netId + " peer=" + deviceAddress); 962 } 963 964 public String p2pGetSsid(String deviceAddress) { 965 return p2pGetParam(deviceAddress, "oper_ssid"); 966 } 967 968 public String p2pGetDeviceAddress() { 969 Log.d(TAG, "p2pGetDeviceAddress"); 970 971 /* Explicitly calling the API without IFNAME= prefix to take care of the devices that 972 don't have p2p0 interface. Supplicant seems to be returning the correct address anyway. */ 973 String status = doStringCommandNative("STATUS"); 974 String result = ""; 975 976 if (status != null) { 977 String[] tokens = status.split("\n"); 978 for (String token : tokens) { 979 if (token.startsWith("p2p_device_address=")) { 980 String[] nameValue = token.split("="); 981 if (nameValue.length != 2) 982 break; 983 result = nameValue[1]; 984 } 985 } 986 } 987 988 Log.d(TAG, "p2pGetDeviceAddress returning " + result); 989 return result; 990 } 991 992 public int getGroupCapability(String deviceAddress) { 993 int gc = 0; 994 if (TextUtils.isEmpty(deviceAddress)) return gc; 995 String peerInfo = p2pPeer(deviceAddress); 996 if (TextUtils.isEmpty(peerInfo)) return gc; 997 998 String[] tokens = peerInfo.split("\n"); 999 for (String token : tokens) { 1000 if (token.startsWith("group_capab=")) { 1001 String[] nameValue = token.split("="); 1002 if (nameValue.length != 2) break; 1003 try { 1004 return Integer.decode(nameValue[1]); 1005 } catch(NumberFormatException e) { 1006 return gc; 1007 } 1008 } 1009 } 1010 return gc; 1011 } 1012 1013 public String p2pPeer(String deviceAddress) { 1014 return doStringCommand("P2P_PEER " + deviceAddress); 1015 } 1016 1017 private String p2pGetParam(String deviceAddress, String key) { 1018 if (deviceAddress == null) return null; 1019 1020 String peerInfo = p2pPeer(deviceAddress); 1021 if (peerInfo == null) return null; 1022 String[] tokens= peerInfo.split("\n"); 1023 1024 key += "="; 1025 for (String token : tokens) { 1026 if (token.startsWith(key)) { 1027 String[] nameValue = token.split("="); 1028 if (nameValue.length != 2) break; 1029 return nameValue[1]; 1030 } 1031 } 1032 return null; 1033 } 1034 1035 public boolean p2pServiceAdd(WifiP2pServiceInfo servInfo) { 1036 /* 1037 * P2P_SERVICE_ADD bonjour <query hexdump> <RDATA hexdump> 1038 * P2P_SERVICE_ADD upnp <version hex> <service> 1039 * 1040 * e.g) 1041 * [Bonjour] 1042 * # IP Printing over TCP (PTR) (RDATA=MyPrinter._ipp._tcp.local.) 1043 * P2P_SERVICE_ADD bonjour 045f697070c00c000c01 094d795072696e746572c027 1044 * # IP Printing over TCP (TXT) (RDATA=txtvers=1,pdl=application/postscript) 1045 * P2P_SERVICE_ADD bonjour 096d797072696e746572045f697070c00c001001 1046 * 09747874766572733d311a70646c3d6170706c69636174696f6e2f706f7374736372797074 1047 * 1048 * [UPnP] 1049 * P2P_SERVICE_ADD upnp 10 uuid:6859dede-8574-59ab-9332-123456789012 1050 * P2P_SERVICE_ADD upnp 10 uuid:6859dede-8574-59ab-9332-123456789012::upnp:rootdevice 1051 * P2P_SERVICE_ADD upnp 10 uuid:6859dede-8574-59ab-9332-123456789012::urn:schemas-upnp 1052 * -org:device:InternetGatewayDevice:1 1053 * P2P_SERVICE_ADD upnp 10 uuid:6859dede-8574-59ab-9322-123456789012::urn:schemas-upnp 1054 * -org:service:ContentDirectory:2 1055 */ 1056 for (String s : servInfo.getSupplicantQueryList()) { 1057 String command = "P2P_SERVICE_ADD"; 1058 command += (" " + s); 1059 if (!doBooleanCommand(command)) { 1060 return false; 1061 } 1062 } 1063 return true; 1064 } 1065 1066 public boolean p2pServiceDel(WifiP2pServiceInfo servInfo) { 1067 /* 1068 * P2P_SERVICE_DEL bonjour <query hexdump> 1069 * P2P_SERVICE_DEL upnp <version hex> <service> 1070 */ 1071 for (String s : servInfo.getSupplicantQueryList()) { 1072 String command = "P2P_SERVICE_DEL "; 1073 1074 String[] data = s.split(" "); 1075 if (data.length < 2) { 1076 return false; 1077 } 1078 if ("upnp".equals(data[0])) { 1079 command += s; 1080 } else if ("bonjour".equals(data[0])) { 1081 command += data[0]; 1082 command += (" " + data[1]); 1083 } else { 1084 return false; 1085 } 1086 if (!doBooleanCommand(command)) { 1087 return false; 1088 } 1089 } 1090 return true; 1091 } 1092 1093 public boolean p2pServiceFlush() { 1094 return doBooleanCommand("P2P_SERVICE_FLUSH"); 1095 } 1096 1097 public String p2pServDiscReq(String addr, String query) { 1098 String command = "P2P_SERV_DISC_REQ"; 1099 command += (" " + addr); 1100 command += (" " + query); 1101 1102 return doStringCommand(command); 1103 } 1104 1105 public boolean p2pServDiscCancelReq(String id) { 1106 return doBooleanCommand("P2P_SERV_DISC_CANCEL_REQ " + id); 1107 } 1108 1109 /* Set the current mode of miracast operation. 1110 * 0 = disabled 1111 * 1 = operating as source 1112 * 2 = operating as sink 1113 */ 1114 public void setMiracastMode(int mode) { 1115 // Note: optional feature on the driver. It is ok for this to fail. 1116 doBooleanCommand("DRIVER MIRACAST " + mode); 1117 } 1118 1119 public boolean fetchAnqp(String bssid, String subtypes) { 1120 return doBooleanCommand("ANQP_GET " + bssid + " " + subtypes); 1121 } 1122 1123 /* WIFI HAL support */ 1124 1125 private static final String TAG = "WifiNative-HAL"; 1126 private static long sWifiHalHandle = 0; /* used by JNI to save wifi_handle */ 1127 private static long[] sWifiIfaceHandles = null; /* used by JNI to save interface handles */ 1128 private static int sWlan0Index = -1; 1129 private static int sP2p0Index = -1; 1130 1131 private static boolean sHalIsStarted = false; 1132 1133 private static native boolean startHalNative(); 1134 private static native void stopHalNative(); 1135 private static native void waitForHalEventNative(); 1136 1137 private static class MonitorThread extends Thread { 1138 public void run() { 1139 Log.i(TAG, "Waiting for HAL events mWifiHalHandle=" + Long.toString(sWifiHalHandle)); 1140 waitForHalEventNative(); 1141 } 1142 } 1143 1144 synchronized public static boolean startHal() { 1145 Log.i(TAG, "startHal"); 1146 synchronized (mLock) { 1147 if (sHalIsStarted) 1148 return true; 1149 if (startHalNative()) { 1150 getInterfaces(); 1151 new MonitorThread().start(); 1152 sHalIsStarted = true; 1153 return true; 1154 } else { 1155 Log.i(TAG, "Could not start hal"); 1156 sHalIsStarted = false; 1157 return false; 1158 } 1159 } 1160 } 1161 1162 synchronized public static void stopHal() { 1163 stopHalNative(); 1164 } 1165 1166 private static native int getInterfacesNative(); 1167 1168 synchronized public static int getInterfaces() { 1169 synchronized (mLock) { 1170 if (sWifiIfaceHandles == null) { 1171 int num = getInterfacesNative(); 1172 int wifi_num = 0; 1173 for (int i = 0; i < num; i++) { 1174 String name = getInterfaceNameNative(i); 1175 Log.i(TAG, "interface[" + i + "] = " + name); 1176 if (name.equals("wlan0")) { 1177 sWlan0Index = i; 1178 wifi_num++; 1179 } else if (name.equals("p2p0")) { 1180 sP2p0Index = i; 1181 wifi_num++; 1182 } 1183 } 1184 return wifi_num; 1185 } else { 1186 return sWifiIfaceHandles.length; 1187 } 1188 } 1189 } 1190 1191 private static native String getInterfaceNameNative(int index); 1192 synchronized public static String getInterfaceName(int index) { 1193 return getInterfaceNameNative(index); 1194 } 1195 1196 public static class ScanCapabilities { 1197 public int max_scan_cache_size; // in number of scan results?? 1198 public int max_scan_buckets; 1199 public int max_ap_cache_per_scan; 1200 public int max_rssi_sample_size; 1201 public int max_scan_reporting_threshold; // in number of scan results?? 1202 public int max_hotlist_aps; 1203 public int max_significant_wifi_change_aps; 1204 } 1205 1206 public static boolean getScanCapabilities(ScanCapabilities capabilities) { 1207 return getScanCapabilitiesNative(sWlan0Index, capabilities); 1208 } 1209 1210 private static native boolean getScanCapabilitiesNative( 1211 int iface, ScanCapabilities capabilities); 1212 1213 private static native boolean startScanNative(int iface, int id, ScanSettings settings); 1214 private static native boolean stopScanNative(int iface, int id); 1215 private static native ScanResult[] getScanResultsNative(int iface, boolean flush); 1216 private static native WifiLinkLayerStats getWifiLinkLayerStatsNative(int iface); 1217 1218 public static class ChannelSettings { 1219 int frequency; 1220 int dwell_time_ms; 1221 boolean passive; 1222 } 1223 1224 public static class BucketSettings { 1225 int bucket; 1226 int band; 1227 int period_ms; 1228 int report_events; 1229 int num_channels; 1230 ChannelSettings channels[]; 1231 } 1232 1233 public static class ScanSettings { 1234 int base_period_ms; 1235 int max_ap_per_scan; 1236 int report_threshold; 1237 int num_buckets; 1238 BucketSettings buckets[]; 1239 } 1240 1241 public static interface ScanEventHandler { 1242 void onScanResultsAvailable(); 1243 void onFullScanResult(ScanResult fullScanResult); 1244 void onSingleScanComplete(); 1245 void onScanPaused(); 1246 void onScanRestarted(); 1247 } 1248 1249 synchronized static void onScanResultsAvailable(int id) { 1250 if (sScanEventHandler != null) { 1251 sScanEventHandler.onScanResultsAvailable(); 1252 } 1253 } 1254 1255 /* scan status, keep these values in sync with gscan.h */ 1256 private static int WIFI_SCAN_BUFFER_FULL = 0; 1257 private static int WIFI_SCAN_COMPLETE = 1; 1258 1259 synchronized static void onScanStatus(int status) { 1260 Log.i(TAG, "Got a scan status changed event, status = " + status); 1261 1262 if (status == WIFI_SCAN_BUFFER_FULL) { 1263 /* we have a separate event to take care of this */ 1264 } else if (status == WIFI_SCAN_COMPLETE) { 1265 if (sScanEventHandler != null) { 1266 sScanEventHandler.onSingleScanComplete(); 1267 } 1268 } 1269 } 1270 1271 synchronized static void onFullScanResult(int id, ScanResult result, byte bytes[]) { 1272 if (DBG) Log.i(TAG, "Got a full scan results event, ssid = " + result.SSID + ", " + 1273 "num = " + bytes.length); 1274 1275 int num = 0; 1276 for (int i = 0; i < bytes.length; ) { 1277 num++; 1278 int type = (int) bytes[i] & 0xFF; 1279 int len = (int) bytes[i + 1] & 0xFF; 1280 if (len < 0) { 1281 Log.e(TAG, "bad length; returning"); 1282 return; 1283 } 1284 i += len + 2; 1285 if (DBG) Log.i(TAG, "bytes[" + i + "] = [" + type + ", " + len + "]" + ", " + 1286 "next = " + i); 1287 } 1288 1289 ScanResult.InformationElement elements[] = new ScanResult.InformationElement[num]; 1290 for (int i = 0, index = 0; i < num; i++) { 1291 int type = (int) bytes[index] & 0xFF; 1292 int len = (int) bytes[index + 1] & 0xFF; 1293 if (DBG) Log.i(TAG, "index = " + index + ", type = " + type + ", len = " + len); 1294 ScanResult.InformationElement elem = new ScanResult.InformationElement(); 1295 elem.id = type; 1296 elem.bytes = new byte[len]; 1297 for (int j = 0; j < len; j++) { 1298 elem.bytes[j] = bytes[index + j + 2]; 1299 } 1300 elements[i] = elem; 1301 index += (len + 2); 1302 } 1303 1304 result.informationElements = elements; 1305 if (sScanEventHandler != null) { 1306 sScanEventHandler.onFullScanResult(result); 1307 } 1308 } 1309 1310 private static int sScanCmdId = 0; 1311 private static ScanEventHandler sScanEventHandler; 1312 private static ScanSettings sScanSettings; 1313 1314 synchronized public static boolean startScan( 1315 ScanSettings settings, ScanEventHandler eventHandler) { 1316 synchronized (mLock) { 1317 1318 if (sScanCmdId != 0) { 1319 stopScan(); 1320 } else if (sScanSettings != null || sScanEventHandler != null) { 1321 /* current scan is paused; no need to stop it */ 1322 } 1323 1324 sScanCmdId = getNewCmdIdLocked(); 1325 1326 sScanSettings = settings; 1327 sScanEventHandler = eventHandler; 1328 1329 if (startScanNative(sWlan0Index, sScanCmdId, settings) == false) { 1330 sScanEventHandler = null; 1331 sScanSettings = null; 1332 return false; 1333 } 1334 1335 return true; 1336 } 1337 } 1338 1339 synchronized public static void stopScan() { 1340 synchronized (mLock) { 1341 stopScanNative(sWlan0Index, sScanCmdId); 1342 sScanSettings = null; 1343 sScanEventHandler = null; 1344 sScanCmdId = 0; 1345 } 1346 } 1347 1348 synchronized public static void pauseScan() { 1349 synchronized (mLock) { 1350 if (sScanCmdId != 0 && sScanSettings != null && sScanEventHandler != null) { 1351 Log.d(TAG, "Pausing scan"); 1352 stopScanNative(sWlan0Index, sScanCmdId); 1353 sScanCmdId = 0; 1354 sScanEventHandler.onScanPaused(); 1355 } 1356 } 1357 } 1358 1359 synchronized public static void restartScan() { 1360 synchronized (mLock) { 1361 if (sScanCmdId == 0 && sScanSettings != null && sScanEventHandler != null) { 1362 Log.d(TAG, "Restarting scan"); 1363 startScan(sScanSettings, sScanEventHandler); 1364 sScanEventHandler.onScanRestarted(); 1365 } 1366 } 1367 } 1368 1369 synchronized public static ScanResult[] getScanResults() { 1370 synchronized (mLock) { 1371 return getScanResultsNative(sWlan0Index, /* flush = */ false); 1372 } 1373 } 1374 1375 public static interface HotlistEventHandler { 1376 void onHotlistApFound (ScanResult[]result); 1377 } 1378 1379 private static int sHotlistCmdId = 0; 1380 private static HotlistEventHandler sHotlistEventHandler; 1381 1382 private native static boolean setHotlistNative(int iface, int id, 1383 WifiScanner.HotlistSettings settings); 1384 private native static boolean resetHotlistNative(int iface, int id); 1385 1386 synchronized public static boolean setHotlist(WifiScanner.HotlistSettings settings, 1387 HotlistEventHandler eventHandler) { 1388 synchronized (mLock) { 1389 if (sHotlistCmdId != 0) { 1390 return false; 1391 } else { 1392 sHotlistCmdId = getNewCmdIdLocked(); 1393 } 1394 1395 sHotlistEventHandler = eventHandler; 1396 if (setHotlistNative(sWlan0Index, sScanCmdId, settings) == false) { 1397 sHotlistEventHandler = null; 1398 return false; 1399 } 1400 1401 return true; 1402 } 1403 } 1404 1405 synchronized public static void resetHotlist() { 1406 synchronized (mLock) { 1407 if (sHotlistCmdId != 0) { 1408 resetHotlistNative(sWlan0Index, sHotlistCmdId); 1409 sHotlistCmdId = 0; 1410 sHotlistEventHandler = null; 1411 } 1412 } 1413 } 1414 1415 synchronized public static void onHotlistApFound(int id, ScanResult[] results) { 1416 synchronized (mLock) { 1417 if (sHotlistCmdId != 0) { 1418 sHotlistEventHandler.onHotlistApFound(results); 1419 } else { 1420 /* this can happen because of race conditions */ 1421 Log.d(TAG, "Ignoring hotlist AP found change"); 1422 } 1423 } 1424 } 1425 1426 public static interface SignificantWifiChangeEventHandler { 1427 void onChangesFound(ScanResult[] result); 1428 } 1429 1430 private static SignificantWifiChangeEventHandler sSignificantWifiChangeHandler; 1431 private static int sSignificantWifiChangeCmdId; 1432 1433 private static native boolean trackSignificantWifiChangeNative( 1434 int iface, int id, WifiScanner.WifiChangeSettings settings); 1435 private static native boolean untrackSignificantWifiChangeNative(int iface, int id); 1436 1437 synchronized public static boolean trackSignificantWifiChange( 1438 WifiScanner.WifiChangeSettings settings, SignificantWifiChangeEventHandler handler) { 1439 synchronized (mLock) { 1440 if (sSignificantWifiChangeCmdId != 0) { 1441 return false; 1442 } else { 1443 sSignificantWifiChangeCmdId = getNewCmdIdLocked(); 1444 } 1445 1446 sSignificantWifiChangeHandler = handler; 1447 if (trackSignificantWifiChangeNative(sWlan0Index, sScanCmdId, settings) == false) { 1448 sSignificantWifiChangeHandler = null; 1449 return false; 1450 } 1451 1452 return true; 1453 } 1454 } 1455 1456 synchronized static void untrackSignificantWifiChange() { 1457 synchronized (mLock) { 1458 if (sSignificantWifiChangeCmdId != 0) { 1459 untrackSignificantWifiChangeNative(sWlan0Index, sSignificantWifiChangeCmdId); 1460 sSignificantWifiChangeCmdId = 0; 1461 sSignificantWifiChangeHandler = null; 1462 } 1463 } 1464 } 1465 1466 synchronized static void onSignificantWifiChange(int id, ScanResult[] results) { 1467 synchronized (mLock) { 1468 if (sSignificantWifiChangeCmdId != 0) { 1469 sSignificantWifiChangeHandler.onChangesFound(results); 1470 } else { 1471 /* this can happen because of race conditions */ 1472 Log.d(TAG, "Ignoring significant wifi change"); 1473 } 1474 } 1475 } 1476 1477 synchronized public static WifiLinkLayerStats getWifiLinkLayerStats(String iface) { 1478 // TODO: use correct iface name to Index translation 1479 if (iface == null) return null; 1480 synchronized (mLock) { 1481 if (!sHalIsStarted) 1482 startHal(); 1483 if (sHalIsStarted) 1484 return getWifiLinkLayerStatsNative(sWlan0Index); 1485 } 1486 return null; 1487 } 1488 1489 /* 1490 * NFC-related calls 1491 */ 1492 public String getNfcWpsConfigurationToken(int netId) { 1493 return doStringCommand("WPS_NFC_CONFIG_TOKEN WPS " + netId); 1494 } 1495 1496 public String getNfcHandoverRequest() { 1497 return doStringCommand("NFC_GET_HANDOVER_REQ NDEF P2P-CR"); 1498 } 1499 1500 public String getNfcHandoverSelect() { 1501 return doStringCommand("NFC_GET_HANDOVER_SEL NDEF P2P-CR"); 1502 } 1503 1504 public boolean initiatorReportNfcHandover(String selectMessage) { 1505 return doBooleanCommand("NFC_REPORT_HANDOVER INIT P2P 00 " + selectMessage); 1506 } 1507 1508 public boolean responderReportNfcHandover(String requestMessage) { 1509 return doBooleanCommand("NFC_REPORT_HANDOVER RESP P2P " + requestMessage + " 00"); 1510 } 1511 1512 public static native int getSupportedFeatureSetNative(int iface); 1513 synchronized public static int getSupportedFeatureSet() { 1514 return getSupportedFeatureSetNative(sWlan0Index); 1515 } 1516 1517 /* Rtt related commands/events */ 1518 public static interface RttEventHandler { 1519 void onRttResults(RttManager.RttResult[] result); 1520 } 1521 1522 private static RttEventHandler sRttEventHandler; 1523 private static int sRttCmdId; 1524 1525 synchronized private static void onRttResults(int id, RttManager.RttResult[] results) { 1526 if (id == sRttCmdId) { 1527 Log.d(TAG, "Received " + results.length + " rtt results"); 1528 sRttEventHandler.onRttResults(results); 1529 sRttCmdId = 0; 1530 } else { 1531 Log.d(TAG, "Received event for unknown cmd = " + id + ", current id = " + sRttCmdId); 1532 } 1533 } 1534 1535 private static native boolean requestRangeNative( 1536 int iface, int id, RttManager.RttParams[] params); 1537 private static native boolean cancelRangeRequestNative( 1538 int iface, int id, RttManager.RttParams[] params); 1539 1540 synchronized public static boolean requestRtt( 1541 RttManager.RttParams[] params, RttEventHandler handler) { 1542 synchronized (mLock) { 1543 if (sRttCmdId != 0) { 1544 return false; 1545 } else { 1546 sRttCmdId = getNewCmdIdLocked(); 1547 } 1548 sRttEventHandler = handler; 1549 return requestRangeNative(sWlan0Index, sRttCmdId, params); 1550 } 1551 } 1552 1553 synchronized public static boolean cancelRtt(RttManager.RttParams[] params) { 1554 synchronized(mLock) { 1555 if (sRttCmdId == 0) { 1556 return false; 1557 } 1558 1559 if (cancelRangeRequestNative(sWlan0Index, sRttCmdId, params)) { 1560 sRttEventHandler = null; 1561 return true; 1562 } else { 1563 return false; 1564 } 1565 } 1566 } 1567 1568 private static native boolean setScanningMacOuiNative(int iface, byte[] oui); 1569 1570 synchronized public static boolean setScanningMacOui(byte[] oui) { 1571 synchronized (mLock) { 1572 if (startHal()) { 1573 return setScanningMacOuiNative(sWlan0Index, oui); 1574 } else { 1575 return false; 1576 } 1577 } 1578 } 1579 1580 private static native int[] getChannelsForBandNative( 1581 int iface, int band); 1582 1583 synchronized public static int [] getChannelsForBand(int band) { 1584 synchronized (mLock) { 1585 if (startHal()) { 1586 return getChannelsForBandNative(sWlan0Index, band); 1587 } else { 1588 return null; 1589 } 1590 } 1591 } 1592} 1593