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 17 package com.android.server.wifi; 18 19 import android.net.wifi.BatchedScanSettings; 20 import android.net.wifi.RttManager; 21 import android.net.wifi.ScanResult; 22 import android.net.wifi.WifiLinkLayerStats; 23 import android.net.wifi.WifiScanner; 24 import android.net.wifi.WpsInfo; 25 import android.net.wifi.p2p.WifiP2pConfig; 26 import android.net.wifi.p2p.WifiP2pGroup; 27 import android.os.SystemClock; 28 import android.text.TextUtils; 29 import android.net.wifi.p2p.nsd.WifiP2pServiceInfo; 30 import android.util.LocalLog; 31 import android.util.Log; 32 33 import java.util.ArrayList; 34 import java.util.List; 35 import 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 */ 46 public 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 public String getMacAddress() { 332 //Macaddr = XX.XX.XX.XX.XX.XX 333 String ret = doStringCommand("DRIVER MACADDR"); 334 if (!TextUtils.isEmpty(ret)) { 335 String[] tokens = ret.split(" = "); 336 if (tokens.length == 2) return tokens[1]; 337 } 338 return null; 339 } 340 341 /** 342 * Format of results: 343 * ================= 344 * id=1 345 * bssid=68:7f:74:d7:1b:6e 346 * freq=2412 347 * level=-43 348 * tsf=1344621975160944 349 * age=2623 350 * flags=[WPA2-PSK-CCMP][WPS][ESS] 351 * ssid=zubyb 352 * ==== 353 * 354 * RANGE=ALL gets all scan results 355 * RANGE=ID- gets results from ID 356 * MASK=<N> see wpa_supplicant/src/common/wpa_ctrl.h for details 357 */ 358 public String scanResults(int sid) { 359 return doStringCommandWithoutLogging("BSS RANGE=" + sid + "- MASK=0x21987"); 360 } 361 362 /** 363 * Format of result: 364 * id=1016 365 * bssid=00:03:7f:40:84:10 366 * freq=2462 367 * beacon_int=200 368 * capabilities=0x0431 369 * qual=0 370 * noise=0 371 * level=-46 372 * tsf=0000002669008476 373 * age=5 374 * ie=00105143412d485332302d52322d54455354010882848b960c12182403010b0706555... 375 * flags=[WPA2-EAP-CCMP][ESS][P2P][HS20] 376 * ssid=QCA-HS20-R2-TEST 377 * p2p_device_name= 378 * p2p_config_methods=0x0SET_NE 379 * anqp_venue_name=02083d656e6757692d466920416c6c69616e63650a3239383920436f... 380 * anqp_network_auth_type=010000 381 * anqp_roaming_consortium=03506f9a05001bc504bd 382 * anqp_ip_addr_type_availability=0c 383 * anqp_nai_realm=0200300000246d61696c2e6578616d706c652e636f6d3b636973636f2... 384 * anqp_3gpp=000600040132f465 385 * anqp_domain_name=0b65786d61706c652e636f6d 386 * hs20_operator_friendly_name=11656e6757692d466920416c6c69616e63650e636869... 387 * hs20_wan_metrics=01c40900008001000000000a00 388 * hs20_connection_capability=0100000006140001061600000650000106bb010106bb0... 389 * hs20_osu_providers_list=0b5143412d4f53552d425353010901310015656e6757692d... 390 */ 391 public String scanResult(String bssid) { 392 return doStringCommand("BSS " + bssid); 393 } 394 395 /** 396 * Format of command 397 * DRIVER WLS_BATCHING SET SCANFREQ=x MSCAN=r BESTN=y CHANNEL=<z, w, t> RTT=s 398 * where x is an ascii representation of an integer number of seconds between scans 399 * r is an ascii representation of an integer number of scans per batch 400 * y is an ascii representation of an integer number of the max AP to remember per scan 401 * z, w, t represent a 1..n size list of channel numbers and/or 'A', 'B' values 402 * indicating entire ranges of channels 403 * s is an ascii representation of an integer number of highest-strength AP 404 * for which we'd like approximate distance reported 405 * 406 * The return value is an ascii integer representing a guess of the number of scans 407 * the firmware can remember before it runs out of buffer space or -1 on error 408 */ 409 public String setBatchedScanSettings(BatchedScanSettings settings) { 410 if (settings == null) { 411 return doStringCommand("DRIVER WLS_BATCHING STOP"); 412 } 413 String cmd = "DRIVER WLS_BATCHING SET SCANFREQ=" + settings.scanIntervalSec; 414 cmd += " MSCAN=" + settings.maxScansPerBatch; 415 if (settings.maxApPerScan != BatchedScanSettings.UNSPECIFIED) { 416 cmd += " BESTN=" + settings.maxApPerScan; 417 } 418 if (settings.channelSet != null && !settings.channelSet.isEmpty()) { 419 cmd += " CHANNEL=<"; 420 int i = 0; 421 for (String channel : settings.channelSet) { 422 cmd += (i > 0 ? "," : "") + channel; 423 ++i; 424 } 425 cmd += ">"; 426 } 427 if (settings.maxApForDistance != BatchedScanSettings.UNSPECIFIED) { 428 cmd += " RTT=" + settings.maxApForDistance; 429 } 430 return doStringCommand(cmd); 431 } 432 433 public String getBatchedScanResults() { 434 return doStringCommand("DRIVER WLS_BATCHING GET"); 435 } 436 437 public boolean startDriver() { 438 return doBooleanCommand("DRIVER START"); 439 } 440 441 public boolean stopDriver() { 442 return doBooleanCommand("DRIVER STOP"); 443 } 444 445 446 /** 447 * Start filtering out Multicast V4 packets 448 * @return {@code true} if the operation succeeded, {@code false} otherwise 449 * 450 * Multicast filtering rules work as follows: 451 * 452 * The driver can filter multicast (v4 and/or v6) and broadcast packets when in 453 * a power optimized mode (typically when screen goes off). 454 * 455 * In order to prevent the driver from filtering the multicast/broadcast packets, we have to 456 * add a DRIVER RXFILTER-ADD rule followed by DRIVER RXFILTER-START to make the rule effective 457 * 458 * DRIVER RXFILTER-ADD Num 459 * where Num = 0 - Unicast, 1 - Broadcast, 2 - Mutil4 or 3 - Multi6 460 * 461 * and DRIVER RXFILTER-START 462 * In order to stop the usage of these rules, we do 463 * 464 * DRIVER RXFILTER-STOP 465 * DRIVER RXFILTER-REMOVE Num 466 * where Num is as described for RXFILTER-ADD 467 * 468 * The SETSUSPENDOPT driver command overrides the filtering rules 469 */ 470 public boolean startFilteringMulticastV4Packets() { 471 return doBooleanCommand("DRIVER RXFILTER-STOP") 472 && doBooleanCommand("DRIVER RXFILTER-REMOVE 2") 473 && doBooleanCommand("DRIVER RXFILTER-START"); 474 } 475 476 /** 477 * Stop filtering out Multicast V4 packets. 478 * @return {@code true} if the operation succeeded, {@code false} otherwise 479 */ 480 public boolean stopFilteringMulticastV4Packets() { 481 return doBooleanCommand("DRIVER RXFILTER-STOP") 482 && doBooleanCommand("DRIVER RXFILTER-ADD 2") 483 && doBooleanCommand("DRIVER RXFILTER-START"); 484 } 485 486 /** 487 * Start filtering out Multicast V6 packets 488 * @return {@code true} if the operation succeeded, {@code false} otherwise 489 */ 490 public boolean startFilteringMulticastV6Packets() { 491 return doBooleanCommand("DRIVER RXFILTER-STOP") 492 && doBooleanCommand("DRIVER RXFILTER-REMOVE 3") 493 && doBooleanCommand("DRIVER RXFILTER-START"); 494 } 495 496 /** 497 * Stop filtering out Multicast V6 packets. 498 * @return {@code true} if the operation succeeded, {@code false} otherwise 499 */ 500 public boolean stopFilteringMulticastV6Packets() { 501 return doBooleanCommand("DRIVER RXFILTER-STOP") 502 && doBooleanCommand("DRIVER RXFILTER-ADD 3") 503 && doBooleanCommand("DRIVER RXFILTER-START"); 504 } 505 506 public int getBand() { 507 String ret = doStringCommand("DRIVER GETBAND"); 508 if (!TextUtils.isEmpty(ret)) { 509 //reply is "BAND X" where X is the band 510 String[] tokens = ret.split(" "); 511 try { 512 if (tokens.length == 2) return Integer.parseInt(tokens[1]); 513 } catch (NumberFormatException e) { 514 return -1; 515 } 516 } 517 return -1; 518 } 519 520 public boolean setBand(int band) { 521 return doBooleanCommand("DRIVER SETBAND " + band); 522 } 523 524 /** 525 * Sets the bluetooth coexistence mode. 526 * 527 * @param mode One of {@link #BLUETOOTH_COEXISTENCE_MODE_DISABLED}, 528 * {@link #BLUETOOTH_COEXISTENCE_MODE_ENABLED}, or 529 * {@link #BLUETOOTH_COEXISTENCE_MODE_SENSE}. 530 * @return Whether the mode was successfully set. 531 */ 532 public boolean setBluetoothCoexistenceMode(int mode) { 533 return doBooleanCommand("DRIVER BTCOEXMODE " + mode); 534 } 535 536 /** 537 * Enable or disable Bluetooth coexistence scan mode. When this mode is on, 538 * some of the low-level scan parameters used by the driver are changed to 539 * reduce interference with A2DP streaming. 540 * 541 * @param isSet whether to enable or disable this mode 542 * @return {@code true} if the command succeeded, {@code false} otherwise. 543 */ 544 public boolean setBluetoothCoexistenceScanMode(boolean setCoexScanMode) { 545 if (setCoexScanMode) { 546 return doBooleanCommand("DRIVER BTCOEXSCAN-START"); 547 } else { 548 return doBooleanCommand("DRIVER BTCOEXSCAN-STOP"); 549 } 550 } 551 552 public void enableSaveConfig() { 553 doBooleanCommand("SET update_config 1"); 554 } 555 556 public boolean saveConfig() { 557 return doBooleanCommand("SAVE_CONFIG"); 558 } 559 560 public boolean addToBlacklist(String bssid) { 561 if (TextUtils.isEmpty(bssid)) return false; 562 return doBooleanCommand("BLACKLIST " + bssid); 563 } 564 565 public boolean clearBlacklist() { 566 return doBooleanCommand("BLACKLIST clear"); 567 } 568 569 public boolean setSuspendOptimizations(boolean enabled) { 570 // if (mSuspendOptEnabled == enabled) return true; 571 mSuspendOptEnabled = enabled; 572 573 Log.e("native", "do suspend " + enabled); 574 if (enabled) { 575 return doBooleanCommand("DRIVER SETSUSPENDMODE 1"); 576 } else { 577 return doBooleanCommand("DRIVER SETSUSPENDMODE 0"); 578 } 579 } 580 581 public boolean setCountryCode(String countryCode) { 582 return doBooleanCommand("DRIVER COUNTRY " + countryCode.toUpperCase(Locale.ROOT)); 583 } 584 585 public void enableBackgroundScan(boolean enable) { 586 if (enable) { 587 doBooleanCommand("SET pno 1"); 588 } else { 589 doBooleanCommand("SET pno 0"); 590 } 591 } 592 593 public void enableAutoConnect(boolean enable) { 594 if (enable) { 595 doBooleanCommand("STA_AUTOCONNECT 1"); 596 } else { 597 doBooleanCommand("STA_AUTOCONNECT 0"); 598 } 599 } 600 601 public void setScanInterval(int scanInterval) { 602 doBooleanCommand("SCAN_INTERVAL " + scanInterval); 603 } 604 605 public void startTdls(String macAddr, boolean enable) { 606 if (enable) { 607 doBooleanCommand("TDLS_DISCOVER " + macAddr); 608 doBooleanCommand("TDLS_SETUP " + macAddr); 609 } else { 610 doBooleanCommand("TDLS_TEARDOWN " + macAddr); 611 } 612 } 613 614 /** Example output: 615 * RSSI=-65 616 * LINKSPEED=48 617 * NOISE=9999 618 * FREQUENCY=0 619 */ 620 public String signalPoll() { 621 return doStringCommandWithoutLogging("SIGNAL_POLL"); 622 } 623 624 /** Example outout: 625 * TXGOOD=396 626 * TXBAD=1 627 */ 628 public String pktcntPoll() { 629 return doStringCommand("PKTCNT_POLL"); 630 } 631 632 public void bssFlush() { 633 doBooleanCommand("BSS_FLUSH 0"); 634 } 635 636 public boolean startWpsPbc(String bssid) { 637 if (TextUtils.isEmpty(bssid)) { 638 return doBooleanCommand("WPS_PBC"); 639 } else { 640 return doBooleanCommand("WPS_PBC " + bssid); 641 } 642 } 643 644 public boolean startWpsPbc(String iface, String bssid) { 645 synchronized (mLock) { 646 if (TextUtils.isEmpty(bssid)) { 647 return doBooleanCommandNative("IFNAME=" + iface + " WPS_PBC"); 648 } else { 649 return doBooleanCommandNative("IFNAME=" + iface + " WPS_PBC " + bssid); 650 } 651 } 652 } 653 654 public boolean startWpsPinKeypad(String pin) { 655 if (TextUtils.isEmpty(pin)) return false; 656 return doBooleanCommand("WPS_PIN any " + pin); 657 } 658 659 public boolean startWpsPinKeypad(String iface, String pin) { 660 if (TextUtils.isEmpty(pin)) return false; 661 synchronized (mLock) { 662 return doBooleanCommandNative("IFNAME=" + iface + " WPS_PIN any " + pin); 663 } 664 } 665 666 667 public String startWpsPinDisplay(String bssid) { 668 if (TextUtils.isEmpty(bssid)) { 669 return doStringCommand("WPS_PIN any"); 670 } else { 671 return doStringCommand("WPS_PIN " + bssid); 672 } 673 } 674 675 public String startWpsPinDisplay(String iface, String bssid) { 676 synchronized (mLock) { 677 if (TextUtils.isEmpty(bssid)) { 678 return doStringCommandNative("IFNAME=" + iface + " WPS_PIN any"); 679 } else { 680 return doStringCommandNative("IFNAME=" + iface + " WPS_PIN " + bssid); 681 } 682 } 683 } 684 685 public boolean setExternalSim(boolean external) { 686 synchronized (mLock) { 687 String value = external ? "1" : "0"; 688 Log.d(TAG, "Setting external_sim to " + value); 689 return doBooleanCommand("SET external_sim " + value); 690 } 691 } 692 693 public boolean simAuthResponse(int id, String response) { 694 synchronized (mLock) { 695 return doBooleanCommand("CTRL-RSP-SIM-" + id + ":GSM-AUTH" + response); 696 } 697 } 698 699 /* Configures an access point connection */ 700 public boolean startWpsRegistrar(String bssid, String pin) { 701 if (TextUtils.isEmpty(bssid) || TextUtils.isEmpty(pin)) return false; 702 return doBooleanCommand("WPS_REG " + bssid + " " + pin); 703 } 704 705 public boolean cancelWps() { 706 return doBooleanCommand("WPS_CANCEL"); 707 } 708 709 public boolean setPersistentReconnect(boolean enabled) { 710 int value = (enabled == true) ? 1 : 0; 711 return doBooleanCommand("SET persistent_reconnect " + value); 712 } 713 714 public boolean setDeviceName(String name) { 715 return doBooleanCommand("SET device_name " + name); 716 } 717 718 public boolean setDeviceType(String type) { 719 return doBooleanCommand("SET device_type " + type); 720 } 721 722 public boolean setConfigMethods(String cfg) { 723 return doBooleanCommand("SET config_methods " + cfg); 724 } 725 726 public boolean setManufacturer(String value) { 727 return doBooleanCommand("SET manufacturer " + value); 728 } 729 730 public boolean setModelName(String value) { 731 return doBooleanCommand("SET model_name " + value); 732 } 733 734 public boolean setModelNumber(String value) { 735 return doBooleanCommand("SET model_number " + value); 736 } 737 738 public boolean setSerialNumber(String value) { 739 return doBooleanCommand("SET serial_number " + value); 740 } 741 742 public boolean setP2pSsidPostfix(String postfix) { 743 return doBooleanCommand("SET p2p_ssid_postfix " + postfix); 744 } 745 746 public boolean setP2pGroupIdle(String iface, int time) { 747 synchronized (mLock) { 748 return doBooleanCommandNative("IFNAME=" + iface + " SET p2p_group_idle " + time); 749 } 750 } 751 752 public void setPowerSave(boolean enabled) { 753 if (enabled) { 754 doBooleanCommand("SET ps 1"); 755 } else { 756 doBooleanCommand("SET ps 0"); 757 } 758 } 759 760 public boolean setP2pPowerSave(String iface, boolean enabled) { 761 synchronized (mLock) { 762 if (enabled) { 763 return doBooleanCommandNative("IFNAME=" + iface + " P2P_SET ps 1"); 764 } else { 765 return doBooleanCommandNative("IFNAME=" + iface + " P2P_SET ps 0"); 766 } 767 } 768 } 769 770 public boolean setWfdEnable(boolean enable) { 771 return doBooleanCommand("SET wifi_display " + (enable ? "1" : "0")); 772 } 773 774 public boolean setWfdDeviceInfo(String hex) { 775 return doBooleanCommand("WFD_SUBELEM_SET 0 " + hex); 776 } 777 778 /** 779 * "sta" prioritizes STA connection over P2P and "p2p" prioritizes 780 * P2P connection over STA 781 */ 782 public boolean setConcurrencyPriority(String s) { 783 return doBooleanCommand("P2P_SET conc_pref " + s); 784 } 785 786 public boolean p2pFind() { 787 return doBooleanCommand("P2P_FIND"); 788 } 789 790 public boolean p2pFind(int timeout) { 791 if (timeout <= 0) { 792 return p2pFind(); 793 } 794 return doBooleanCommand("P2P_FIND " + timeout); 795 } 796 797 public boolean p2pStopFind() { 798 return doBooleanCommand("P2P_STOP_FIND"); 799 } 800 801 public boolean p2pListen() { 802 return doBooleanCommand("P2P_LISTEN"); 803 } 804 805 public boolean p2pListen(int timeout) { 806 if (timeout <= 0) { 807 return p2pListen(); 808 } 809 return doBooleanCommand("P2P_LISTEN " + timeout); 810 } 811 812 public boolean p2pExtListen(boolean enable, int period, int interval) { 813 if (enable && interval < period) { 814 return false; 815 } 816 return doBooleanCommand("P2P_EXT_LISTEN" 817 + (enable ? (" " + period + " " + interval) : "")); 818 } 819 820 public boolean p2pSetChannel(int lc, int oc) { 821 if (DBG) Log.d(mTAG, "p2pSetChannel: lc="+lc+", oc="+oc); 822 823 if (lc >=1 && lc <= 11) { 824 if (!doBooleanCommand("P2P_SET listen_channel " + lc)) { 825 return false; 826 } 827 } else if (lc != 0) { 828 return false; 829 } 830 831 if (oc >= 1 && oc <= 165 ) { 832 int freq = (oc <= 14 ? 2407 : 5000) + oc * 5; 833 return doBooleanCommand("P2P_SET disallow_freq 1000-" 834 + (freq - 5) + "," + (freq + 5) + "-6000"); 835 } else if (oc == 0) { 836 /* oc==0 disables "P2P_SET disallow_freq" (enables all freqs) */ 837 return doBooleanCommand("P2P_SET disallow_freq \"\""); 838 } 839 840 return false; 841 } 842 843 public boolean p2pFlush() { 844 return doBooleanCommand("P2P_FLUSH"); 845 } 846 847 /* p2p_connect <peer device address> <pbc|pin|PIN#> [label|display|keypad] 848 [persistent] [join|auth] [go_intent=<0..15>] [freq=<in MHz>] */ 849 public String p2pConnect(WifiP2pConfig config, boolean joinExistingGroup) { 850 if (config == null) return null; 851 List<String> args = new ArrayList<String>(); 852 WpsInfo wps = config.wps; 853 args.add(config.deviceAddress); 854 855 switch (wps.setup) { 856 case WpsInfo.PBC: 857 args.add("pbc"); 858 break; 859 case WpsInfo.DISPLAY: 860 if (TextUtils.isEmpty(wps.pin)) { 861 args.add("pin"); 862 } else { 863 args.add(wps.pin); 864 } 865 args.add("display"); 866 break; 867 case WpsInfo.KEYPAD: 868 args.add(wps.pin); 869 args.add("keypad"); 870 break; 871 case WpsInfo.LABEL: 872 args.add(wps.pin); 873 args.add("label"); 874 default: 875 break; 876 } 877 878 if (config.netId == WifiP2pGroup.PERSISTENT_NET_ID) { 879 args.add("persistent"); 880 } 881 882 if (joinExistingGroup) { 883 args.add("join"); 884 } else { 885 //TODO: This can be adapted based on device plugged in state and 886 //device battery state 887 int groupOwnerIntent = config.groupOwnerIntent; 888 if (groupOwnerIntent < 0 || groupOwnerIntent > 15) { 889 groupOwnerIntent = DEFAULT_GROUP_OWNER_INTENT; 890 } 891 args.add("go_intent=" + groupOwnerIntent); 892 } 893 894 String command = "P2P_CONNECT "; 895 for (String s : args) command += s + " "; 896 897 return doStringCommand(command); 898 } 899 900 public boolean p2pCancelConnect() { 901 return doBooleanCommand("P2P_CANCEL"); 902 } 903 904 public boolean p2pProvisionDiscovery(WifiP2pConfig config) { 905 if (config == null) return false; 906 907 switch (config.wps.setup) { 908 case WpsInfo.PBC: 909 return doBooleanCommand("P2P_PROV_DISC " + config.deviceAddress + " pbc"); 910 case WpsInfo.DISPLAY: 911 //We are doing display, so provision discovery is keypad 912 return doBooleanCommand("P2P_PROV_DISC " + config.deviceAddress + " keypad"); 913 case WpsInfo.KEYPAD: 914 //We are doing keypad, so provision discovery is display 915 return doBooleanCommand("P2P_PROV_DISC " + config.deviceAddress + " display"); 916 default: 917 break; 918 } 919 return false; 920 } 921 922 public boolean p2pGroupAdd(boolean persistent) { 923 if (persistent) { 924 return doBooleanCommand("P2P_GROUP_ADD persistent"); 925 } 926 return doBooleanCommand("P2P_GROUP_ADD"); 927 } 928 929 public boolean p2pGroupAdd(int netId) { 930 return doBooleanCommand("P2P_GROUP_ADD persistent=" + netId); 931 } 932 933 public boolean p2pGroupRemove(String iface) { 934 if (TextUtils.isEmpty(iface)) return false; 935 synchronized (mLock) { 936 return doBooleanCommandNative("IFNAME=" + iface + " P2P_GROUP_REMOVE " + iface); 937 } 938 } 939 940 public boolean p2pReject(String deviceAddress) { 941 return doBooleanCommand("P2P_REJECT " + deviceAddress); 942 } 943 944 /* Invite a peer to a group */ 945 public boolean p2pInvite(WifiP2pGroup group, String deviceAddress) { 946 if (TextUtils.isEmpty(deviceAddress)) return false; 947 948 if (group == null) { 949 return doBooleanCommand("P2P_INVITE peer=" + deviceAddress); 950 } else { 951 return doBooleanCommand("P2P_INVITE group=" + group.getInterface() 952 + " peer=" + deviceAddress + " go_dev_addr=" + group.getOwner().deviceAddress); 953 } 954 } 955 956 /* Reinvoke a persistent connection */ 957 public boolean p2pReinvoke(int netId, String deviceAddress) { 958 if (TextUtils.isEmpty(deviceAddress) || netId < 0) return false; 959 960 return doBooleanCommand("P2P_INVITE persistent=" + netId + " peer=" + deviceAddress); 961 } 962 963 public String p2pGetSsid(String deviceAddress) { 964 return p2pGetParam(deviceAddress, "oper_ssid"); 965 } 966 967 public String p2pGetDeviceAddress() { 968 969 Log.d(TAG, "p2pGetDeviceAddress"); 970 971 String status = null; 972 973 /* Explicitly calling the API without IFNAME= prefix to take care of the devices that 974 don't have p2p0 interface. Supplicant seems to be returning the correct address anyway. */ 975 976 synchronized (mLock) { 977 status = doStringCommandNative("STATUS"); 978 } 979 980 String result = ""; 981 if (status != null) { 982 String[] tokens = status.split("\n"); 983 for (String token : tokens) { 984 if (token.startsWith("p2p_device_address=")) { 985 String[] nameValue = token.split("="); 986 if (nameValue.length != 2) 987 break; 988 result = nameValue[1]; 989 } 990 } 991 } 992 993 Log.d(TAG, "p2pGetDeviceAddress returning " + result); 994 return result; 995 } 996 997 public int getGroupCapability(String deviceAddress) { 998 int gc = 0; 999 if (TextUtils.isEmpty(deviceAddress)) return gc; 1000 String peerInfo = p2pPeer(deviceAddress); 1001 if (TextUtils.isEmpty(peerInfo)) return gc; 1002 1003 String[] tokens = peerInfo.split("\n"); 1004 for (String token : tokens) { 1005 if (token.startsWith("group_capab=")) { 1006 String[] nameValue = token.split("="); 1007 if (nameValue.length != 2) break; 1008 try { 1009 return Integer.decode(nameValue[1]); 1010 } catch(NumberFormatException e) { 1011 return gc; 1012 } 1013 } 1014 } 1015 return gc; 1016 } 1017 1018 public String p2pPeer(String deviceAddress) { 1019 return doStringCommand("P2P_PEER " + deviceAddress); 1020 } 1021 1022 private String p2pGetParam(String deviceAddress, String key) { 1023 if (deviceAddress == null) return null; 1024 1025 String peerInfo = p2pPeer(deviceAddress); 1026 if (peerInfo == null) return null; 1027 String[] tokens= peerInfo.split("\n"); 1028 1029 key += "="; 1030 for (String token : tokens) { 1031 if (token.startsWith(key)) { 1032 String[] nameValue = token.split("="); 1033 if (nameValue.length != 2) break; 1034 return nameValue[1]; 1035 } 1036 } 1037 return null; 1038 } 1039 1040 public boolean p2pServiceAdd(WifiP2pServiceInfo servInfo) { 1041 /* 1042 * P2P_SERVICE_ADD bonjour <query hexdump> <RDATA hexdump> 1043 * P2P_SERVICE_ADD upnp <version hex> <service> 1044 * 1045 * e.g) 1046 * [Bonjour] 1047 * # IP Printing over TCP (PTR) (RDATA=MyPrinter._ipp._tcp.local.) 1048 * P2P_SERVICE_ADD bonjour 045f697070c00c000c01 094d795072696e746572c027 1049 * # IP Printing over TCP (TXT) (RDATA=txtvers=1,pdl=application/postscript) 1050 * P2P_SERVICE_ADD bonjour 096d797072696e746572045f697070c00c001001 1051 * 09747874766572733d311a70646c3d6170706c69636174696f6e2f706f7374736372797074 1052 * 1053 * [UPnP] 1054 * P2P_SERVICE_ADD upnp 10 uuid:6859dede-8574-59ab-9332-123456789012 1055 * P2P_SERVICE_ADD upnp 10 uuid:6859dede-8574-59ab-9332-123456789012::upnp:rootdevice 1056 * P2P_SERVICE_ADD upnp 10 uuid:6859dede-8574-59ab-9332-123456789012::urn:schemas-upnp 1057 * -org:device:InternetGatewayDevice:1 1058 * P2P_SERVICE_ADD upnp 10 uuid:6859dede-8574-59ab-9322-123456789012::urn:schemas-upnp 1059 * -org:service:ContentDirectory:2 1060 */ 1061 for (String s : servInfo.getSupplicantQueryList()) { 1062 String command = "P2P_SERVICE_ADD"; 1063 command += (" " + s); 1064 if (!doBooleanCommand(command)) { 1065 return false; 1066 } 1067 } 1068 return true; 1069 } 1070 1071 public boolean p2pServiceDel(WifiP2pServiceInfo servInfo) { 1072 /* 1073 * P2P_SERVICE_DEL bonjour <query hexdump> 1074 * P2P_SERVICE_DEL upnp <version hex> <service> 1075 */ 1076 for (String s : servInfo.getSupplicantQueryList()) { 1077 String command = "P2P_SERVICE_DEL "; 1078 1079 String[] data = s.split(" "); 1080 if (data.length < 2) { 1081 return false; 1082 } 1083 if ("upnp".equals(data[0])) { 1084 command += s; 1085 } else if ("bonjour".equals(data[0])) { 1086 command += data[0]; 1087 command += (" " + data[1]); 1088 } else { 1089 return false; 1090 } 1091 if (!doBooleanCommand(command)) { 1092 return false; 1093 } 1094 } 1095 return true; 1096 } 1097 1098 public boolean p2pServiceFlush() { 1099 return doBooleanCommand("P2P_SERVICE_FLUSH"); 1100 } 1101 1102 public String p2pServDiscReq(String addr, String query) { 1103 String command = "P2P_SERV_DISC_REQ"; 1104 command += (" " + addr); 1105 command += (" " + query); 1106 1107 return doStringCommand(command); 1108 } 1109 1110 public boolean p2pServDiscCancelReq(String id) { 1111 return doBooleanCommand("P2P_SERV_DISC_CANCEL_REQ " + id); 1112 } 1113 1114 /* Set the current mode of miracast operation. 1115 * 0 = disabled 1116 * 1 = operating as source 1117 * 2 = operating as sink 1118 */ 1119 public void setMiracastMode(int mode) { 1120 // Note: optional feature on the driver. It is ok for this to fail. 1121 doBooleanCommand("DRIVER MIRACAST " + mode); 1122 } 1123 1124 public boolean fetchAnqp(String bssid, String subtypes) { 1125 return doBooleanCommand("ANQP_GET " + bssid + " " + subtypes); 1126 } 1127 1128 /* WIFI HAL support */ 1129 1130 private static final String TAG = "WifiNative-HAL"; 1131 private static long sWifiHalHandle = 0; /* used by JNI to save wifi_handle */ 1132 private static long[] sWifiIfaceHandles = null; /* used by JNI to save interface handles */ 1133 private static int sWlan0Index = -1; 1134 private static int sP2p0Index = -1; 1135 1136 private static boolean sHalIsStarted = false; 1137 1138 private static native boolean startHalNative(); 1139 private static native void stopHalNative(); 1140 private static native void waitForHalEventNative(); 1141 1142 private static class MonitorThread extends Thread { 1143 public void run() { 1144 Log.i(TAG, "Waiting for HAL events mWifiHalHandle=" + Long.toString(sWifiHalHandle)); 1145 waitForHalEventNative(); 1146 } 1147 } 1148 1149 synchronized public static boolean startHal() { 1150 Log.i(TAG, "startHal"); 1151 synchronized (mLock) { 1152 if (sHalIsStarted) 1153 return true; 1154 if (startHalNative()) { 1155 getInterfaces(); 1156 new MonitorThread().start(); 1157 sHalIsStarted = true; 1158 return true; 1159 } else { 1160 Log.i(TAG, "Could not start hal"); 1161 sHalIsStarted = false; 1162 return false; 1163 } 1164 } 1165 } 1166 1167 synchronized public static void stopHal() { 1168 stopHalNative(); 1169 } 1170 1171 private static native int getInterfacesNative(); 1172 1173 synchronized public static int getInterfaces() { 1174 synchronized (mLock) { 1175 if (sWifiIfaceHandles == null) { 1176 int num = getInterfacesNative(); 1177 int wifi_num = 0; 1178 for (int i = 0; i < num; i++) { 1179 String name = getInterfaceNameNative(i); 1180 Log.i(TAG, "interface[" + i + "] = " + name); 1181 if (name.equals("wlan0")) { 1182 sWlan0Index = i; 1183 wifi_num++; 1184 } else if (name.equals("p2p0")) { 1185 sP2p0Index = i; 1186 wifi_num++; 1187 } 1188 } 1189 return wifi_num; 1190 } else { 1191 return sWifiIfaceHandles.length; 1192 } 1193 } 1194 } 1195 1196 private static native String getInterfaceNameNative(int index); 1197 synchronized public static String getInterfaceName(int index) { 1198 return getInterfaceNameNative(index); 1199 } 1200 1201 public static class ScanCapabilities { 1202 public int max_scan_cache_size; // in number of scan results?? 1203 public int max_scan_buckets; 1204 public int max_ap_cache_per_scan; 1205 public int max_rssi_sample_size; 1206 public int max_scan_reporting_threshold; // in number of scan results?? 1207 public int max_hotlist_aps; 1208 public int max_significant_wifi_change_aps; 1209 } 1210 1211 public static boolean getScanCapabilities(ScanCapabilities capabilities) { 1212 return getScanCapabilitiesNative(sWlan0Index, capabilities); 1213 } 1214 1215 private static native boolean getScanCapabilitiesNative( 1216 int iface, ScanCapabilities capabilities); 1217 1218 private static native boolean startScanNative(int iface, int id, ScanSettings settings); 1219 private static native boolean stopScanNative(int iface, int id); 1220 private static native ScanResult[] getScanResultsNative(int iface, boolean flush); 1221 private static native WifiLinkLayerStats getWifiLinkLayerStatsNative(int iface); 1222 1223 public static class ChannelSettings { 1224 int frequency; 1225 int dwell_time_ms; 1226 boolean passive; 1227 } 1228 1229 public static class BucketSettings { 1230 int bucket; 1231 int band; 1232 int period_ms; 1233 int report_events; 1234 int num_channels; 1235 ChannelSettings channels[]; 1236 } 1237 1238 public static class ScanSettings { 1239 int base_period_ms; 1240 int max_ap_per_scan; 1241 int report_threshold; 1242 int num_buckets; 1243 BucketSettings buckets[]; 1244 } 1245 1246 public static interface ScanEventHandler { 1247 void onScanResultsAvailable(); 1248 void onFullScanResult(ScanResult fullScanResult); 1249 void onSingleScanComplete(); 1250 void onScanPaused(); 1251 void onScanRestarted(); 1252 } 1253 1254 synchronized static void onScanResultsAvailable(int id) { 1255 if (sScanEventHandler != null) { 1256 sScanEventHandler.onScanResultsAvailable(); 1257 } 1258 } 1259 1260 /* scan status, keep these values in sync with gscan.h */ 1261 private static int WIFI_SCAN_BUFFER_FULL = 0; 1262 private static int WIFI_SCAN_COMPLETE = 1; 1263 1264 synchronized static void onScanStatus(int status) { 1265 Log.i(TAG, "Got a scan status changed event, status = " + status); 1266 1267 if (status == WIFI_SCAN_BUFFER_FULL) { 1268 /* we have a separate event to take care of this */ 1269 } else if (status == WIFI_SCAN_COMPLETE) { 1270 if (sScanEventHandler != null) { 1271 sScanEventHandler.onSingleScanComplete(); 1272 } 1273 } 1274 } 1275 1276 synchronized static void onFullScanResult(int id, ScanResult result, byte bytes[]) { 1277 if (DBG) Log.i(TAG, "Got a full scan results event, ssid = " + result.SSID + ", " + 1278 "num = " + bytes.length); 1279 1280 int num = 0; 1281 for (int i = 0; i < bytes.length; ) { 1282 num++; 1283 int type = (int) bytes[i] & 0xFF; 1284 int len = (int) bytes[i + 1] & 0xFF; 1285 if (len < 0) { 1286 Log.e(TAG, "bad length; returning"); 1287 return; 1288 } 1289 i += len + 2; 1290 if (DBG) Log.i(TAG, "bytes[" + i + "] = [" + type + ", " + len + "]" + ", " + 1291 "next = " + i); 1292 } 1293 1294 ScanResult.InformationElement elements[] = new ScanResult.InformationElement[num]; 1295 for (int i = 0, index = 0; i < num; i++) { 1296 int type = (int) bytes[index] & 0xFF; 1297 int len = (int) bytes[index + 1] & 0xFF; 1298 if (DBG) Log.i(TAG, "index = " + index + ", type = " + type + ", len = " + len); 1299 ScanResult.InformationElement elem = new ScanResult.InformationElement(); 1300 elem.id = type; 1301 elem.bytes = new byte[len]; 1302 for (int j = 0; j < len; j++) { 1303 elem.bytes[j] = bytes[index + j + 2]; 1304 } 1305 elements[i] = elem; 1306 index += (len + 2); 1307 } 1308 1309 result.informationElements = elements; 1310 if (sScanEventHandler != null) { 1311 sScanEventHandler.onFullScanResult(result); 1312 } 1313 } 1314 1315 private static int sScanCmdId = 0; 1316 private static ScanEventHandler sScanEventHandler; 1317 private static ScanSettings sScanSettings; 1318 1319 synchronized public static boolean startScan( 1320 ScanSettings settings, ScanEventHandler eventHandler) { 1321 synchronized (mLock) { 1322 1323 if (sScanCmdId != 0) { 1324 stopScan(); 1325 } else if (sScanSettings != null || sScanEventHandler != null) { 1326 /* current scan is paused; no need to stop it */ 1327 } 1328 1329 sScanCmdId = getNewCmdIdLocked(); 1330 1331 sScanSettings = settings; 1332 sScanEventHandler = eventHandler; 1333 1334 if (startScanNative(sWlan0Index, sScanCmdId, settings) == false) { 1335 sScanEventHandler = null; 1336 sScanSettings = null; 1337 return false; 1338 } 1339 1340 return true; 1341 } 1342 } 1343 1344 synchronized public static void stopScan() { 1345 synchronized (mLock) { 1346 stopScanNative(sWlan0Index, sScanCmdId); 1347 sScanSettings = null; 1348 sScanEventHandler = null; 1349 sScanCmdId = 0; 1350 } 1351 } 1352 1353 synchronized public static void pauseScan() { 1354 synchronized (mLock) { 1355 if (sScanCmdId != 0 && sScanSettings != null && sScanEventHandler != null) { 1356 Log.d(TAG, "Pausing scan"); 1357 stopScanNative(sWlan0Index, sScanCmdId); 1358 sScanCmdId = 0; 1359 sScanEventHandler.onScanPaused(); 1360 } 1361 } 1362 } 1363 1364 synchronized public static void restartScan() { 1365 synchronized (mLock) { 1366 if (sScanCmdId == 0 && sScanSettings != null && sScanEventHandler != null) { 1367 Log.d(TAG, "Restarting scan"); 1368 startScan(sScanSettings, sScanEventHandler); 1369 sScanEventHandler.onScanRestarted(); 1370 } 1371 } 1372 } 1373 1374 synchronized public static ScanResult[] getScanResults() { 1375 synchronized (mLock) { 1376 return getScanResultsNative(sWlan0Index, /* flush = */ false); 1377 } 1378 } 1379 1380 public static interface HotlistEventHandler { 1381 void onHotlistApFound (ScanResult[]result); 1382 } 1383 1384 private static int sHotlistCmdId = 0; 1385 private static HotlistEventHandler sHotlistEventHandler; 1386 1387 private native static boolean setHotlistNative(int iface, int id, 1388 WifiScanner.HotlistSettings settings); 1389 private native static boolean resetHotlistNative(int iface, int id); 1390 1391 synchronized public static boolean setHotlist(WifiScanner.HotlistSettings settings, 1392 HotlistEventHandler eventHandler) { 1393 synchronized (mLock) { 1394 if (sHotlistCmdId != 0) { 1395 return false; 1396 } else { 1397 sHotlistCmdId = getNewCmdIdLocked(); 1398 } 1399 1400 sHotlistEventHandler = eventHandler; 1401 if (setHotlistNative(sWlan0Index, sScanCmdId, settings) == false) { 1402 sHotlistEventHandler = null; 1403 return false; 1404 } 1405 1406 return true; 1407 } 1408 } 1409 1410 synchronized public static void resetHotlist() { 1411 synchronized (mLock) { 1412 if (sHotlistCmdId != 0) { 1413 resetHotlistNative(sWlan0Index, sHotlistCmdId); 1414 sHotlistCmdId = 0; 1415 sHotlistEventHandler = null; 1416 } 1417 } 1418 } 1419 1420 synchronized public static void onHotlistApFound(int id, ScanResult[] results) { 1421 synchronized (mLock) { 1422 if (sHotlistCmdId != 0) { 1423 sHotlistEventHandler.onHotlistApFound(results); 1424 } else { 1425 /* this can happen because of race conditions */ 1426 Log.d(TAG, "Ignoring hotlist AP found change"); 1427 } 1428 } 1429 } 1430 1431 public static interface SignificantWifiChangeEventHandler { 1432 void onChangesFound(ScanResult[] result); 1433 } 1434 1435 private static SignificantWifiChangeEventHandler sSignificantWifiChangeHandler; 1436 private static int sSignificantWifiChangeCmdId; 1437 1438 private static native boolean trackSignificantWifiChangeNative( 1439 int iface, int id, WifiScanner.WifiChangeSettings settings); 1440 private static native boolean untrackSignificantWifiChangeNative(int iface, int id); 1441 1442 synchronized public static boolean trackSignificantWifiChange( 1443 WifiScanner.WifiChangeSettings settings, SignificantWifiChangeEventHandler handler) { 1444 synchronized (mLock) { 1445 if (sSignificantWifiChangeCmdId != 0) { 1446 return false; 1447 } else { 1448 sSignificantWifiChangeCmdId = getNewCmdIdLocked(); 1449 } 1450 1451 sSignificantWifiChangeHandler = handler; 1452 if (trackSignificantWifiChangeNative(sWlan0Index, sScanCmdId, settings) == false) { 1453 sSignificantWifiChangeHandler = null; 1454 return false; 1455 } 1456 1457 return true; 1458 } 1459 } 1460 1461 synchronized static void untrackSignificantWifiChange() { 1462 synchronized (mLock) { 1463 if (sSignificantWifiChangeCmdId != 0) { 1464 untrackSignificantWifiChangeNative(sWlan0Index, sSignificantWifiChangeCmdId); 1465 sSignificantWifiChangeCmdId = 0; 1466 sSignificantWifiChangeHandler = null; 1467 } 1468 } 1469 } 1470 1471 synchronized static void onSignificantWifiChange(int id, ScanResult[] results) { 1472 synchronized (mLock) { 1473 if (sSignificantWifiChangeCmdId != 0) { 1474 sSignificantWifiChangeHandler.onChangesFound(results); 1475 } else { 1476 /* this can happen because of race conditions */ 1477 Log.d(TAG, "Ignoring significant wifi change"); 1478 } 1479 } 1480 } 1481 1482 synchronized public static WifiLinkLayerStats getWifiLinkLayerStats(String iface) { 1483 // TODO: use correct iface name to Index translation 1484 if (iface == null) return null; 1485 synchronized (mLock) { 1486 if (!sHalIsStarted) 1487 startHal(); 1488 if (sHalIsStarted) 1489 return getWifiLinkLayerStatsNative(sWlan0Index); 1490 } 1491 return null; 1492 } 1493 1494 /* 1495 * NFC-related calls 1496 */ 1497 public String getNfcWpsConfigurationToken(int netId) { 1498 return doStringCommand("WPS_NFC_CONFIG_TOKEN WPS " + netId); 1499 } 1500 1501 public String getNfcHandoverRequest() { 1502 return doStringCommand("NFC_GET_HANDOVER_REQ NDEF P2P-CR"); 1503 } 1504 1505 public String getNfcHandoverSelect() { 1506 return doStringCommand("NFC_GET_HANDOVER_SEL NDEF P2P-CR"); 1507 } 1508 1509 public boolean initiatorReportNfcHandover(String selectMessage) { 1510 return doBooleanCommand("NFC_REPORT_HANDOVER INIT P2P 00 " + selectMessage); 1511 } 1512 1513 public boolean responderReportNfcHandover(String requestMessage) { 1514 return doBooleanCommand("NFC_REPORT_HANDOVER RESP P2P " + requestMessage + " 00"); 1515 } 1516 1517 public static native int getSupportedFeatureSetNative(int iface); 1518 synchronized public static int getSupportedFeatureSet() { 1519 return getSupportedFeatureSetNative(sWlan0Index); 1520 } 1521 1522 /* Rtt related commands/events */ 1523 public static interface RttEventHandler { 1524 void onRttResults(RttManager.RttResult[] result); 1525 } 1526 1527 private static RttEventHandler sRttEventHandler; 1528 private static int sRttCmdId; 1529 1530 synchronized private static void onRttResults(int id, RttManager.RttResult[] results) { 1531 if (id == sRttCmdId) { 1532 Log.d(TAG, "Received " + results.length + " rtt results"); 1533 sRttEventHandler.onRttResults(results); 1534 sRttCmdId = 0; 1535 } else { 1536 Log.d(TAG, "Received event for unknown cmd = " + id + ", current id = " + sRttCmdId); 1537 } 1538 } 1539 1540 private static native boolean requestRangeNative( 1541 int iface, int id, RttManager.RttParams[] params); 1542 private static native boolean cancelRangeRequestNative( 1543 int iface, int id, RttManager.RttParams[] params); 1544 1545 synchronized public static boolean requestRtt( 1546 RttManager.RttParams[] params, RttEventHandler handler) { 1547 synchronized (mLock) { 1548 if (sRttCmdId != 0) { 1549 return false; 1550 } else { 1551 sRttCmdId = getNewCmdIdLocked(); 1552 } 1553 sRttEventHandler = handler; 1554 return requestRangeNative(sWlan0Index, sRttCmdId, params); 1555 } 1556 } 1557 1558 synchronized public static boolean cancelRtt(RttManager.RttParams[] params) { 1559 synchronized(mLock) { 1560 if (sRttCmdId == 0) { 1561 return false; 1562 } 1563 1564 if (cancelRangeRequestNative(sWlan0Index, sRttCmdId, params)) { 1565 sRttEventHandler = null; 1566 return true; 1567 } else { 1568 return false; 1569 } 1570 } 1571 } 1572 1573 private static native boolean setScanningMacOuiNative(int iface, byte[] oui); 1574 1575 synchronized public static boolean setScanningMacOui(byte[] oui) { 1576 synchronized (mLock) { 1577 if (startHal()) { 1578 return setScanningMacOuiNative(sWlan0Index, oui); 1579 } else { 1580 return false; 1581 } 1582 } 1583 } 1584 1585 private static native int[] getChannelsForBandNative( 1586 int iface, int band); 1587 1588 synchronized public static int [] getChannelsForBand(int band) { 1589 synchronized (mLock) { 1590 if (startHal()) { 1591 return getChannelsForBandNative(sWlan0Index, band); 1592 } else { 1593 return null; 1594 } 1595 } 1596 } 1597 } 1598
