WifiNative.java revision 56d0178183460eed9afbd85e5c0d215e27d5f5bc
1/* 2 * Copyright (C) 2008 The Android Open Source Project 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); 5 * you may not use this file except in compliance with the License. 6 * You may obtain a copy of the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License. 15 */ 16 17package com.android.server.wifi; 18 19import android.net.wifi.BatchedScanSettings; 20import android.net.wifi.RttManager; 21import android.net.wifi.ScanResult; 22import android.net.wifi.WifiLinkLayerStats; 23import android.net.wifi.WifiScanner; 24import android.net.wifi.WpsInfo; 25import android.net.wifi.p2p.WifiP2pConfig; 26import android.net.wifi.p2p.WifiP2pGroup; 27import android.os.SystemClock; 28import android.text.TextUtils; 29import android.net.wifi.p2p.nsd.WifiP2pServiceInfo; 30import android.util.LocalLog; 31import android.util.Log; 32 33import java.util.ArrayList; 34import java.util.List; 35import java.util.Locale; 36 37/** 38 * Native calls for bring up/shut down of the supplicant daemon and for 39 * sending requests to the supplicant daemon 40 * 41 * waitForEvent() is called on the monitor thread for events. All other methods 42 * must be serialized from the framework. 43 * 44 * {@hide} 45 */ 46public class WifiNative { 47 48 private static boolean DBG = false; 49 private final String mTAG; 50 private static final int DEFAULT_GROUP_OWNER_INTENT = 6; 51 52 static final int BLUETOOTH_COEXISTENCE_MODE_ENABLED = 0; 53 static final int BLUETOOTH_COEXISTENCE_MODE_DISABLED = 1; 54 static final int BLUETOOTH_COEXISTENCE_MODE_SENSE = 2; 55 56 static final int SCAN_WITHOUT_CONNECTION_SETUP = 1; 57 static final int SCAN_WITH_CONNECTION_SETUP = 2; 58 59 // Hold this lock before calling supplicant - it is required to 60 // mutually exclude access from Wifi and P2p state machines 61 static final Object mLock = new Object(); 62 63 public final String mInterfaceName; 64 public final String mInterfacePrefix; 65 66 private boolean mSuspendOptEnabled = false; 67 68 /* Register native functions */ 69 70 static { 71 /* Native functions are defined in libwifi-service.so */ 72 System.loadLibrary("wifi-service"); 73 registerNatives(); 74 } 75 76 private static native int registerNatives(); 77 78 public native static boolean loadDriver(); 79 80 public native static boolean isDriverLoaded(); 81 82 public native static boolean unloadDriver(); 83 84 public native static boolean startSupplicant(boolean p2pSupported); 85 86 /* Sends a kill signal to supplicant. To be used when we have lost connection 87 or when the supplicant is hung */ 88 public native static boolean killSupplicant(boolean p2pSupported); 89 90 private native boolean connectToSupplicantNative(); 91 92 private native void closeSupplicantConnectionNative(); 93 94 /** 95 * Wait for the supplicant to send an event, returning the event string. 96 * @return the event string sent by the supplicant. 97 */ 98 private native String waitForEventNative(); 99 100 private native boolean doBooleanCommandNative(String command); 101 102 private native int doIntCommandNative(String command); 103 104 private native String doStringCommandNative(String command); 105 106 public WifiNative(String interfaceName) { 107 mInterfaceName = interfaceName; 108 mTAG = "WifiNative-" + interfaceName; 109 if (!interfaceName.equals("p2p0")) { 110 mInterfacePrefix = "IFNAME=" + interfaceName + " "; 111 } else { 112 // commands for p2p0 interface don't need prefix 113 mInterfacePrefix = ""; 114 } 115 } 116 117 void enableVerboseLogging(int verbose) { 118 if (verbose > 0) { 119 DBG = true; 120 } else { 121 DBG = false; 122 } 123 } 124 125 private static final LocalLog mLocalLog = new LocalLog(1024); 126 127 // hold mLock before accessing mCmdIdLock 128 private static int sCmdId; 129 130 public LocalLog getLocalLog() { 131 return mLocalLog; 132 } 133 134 private static int getNewCmdIdLocked() { 135 return sCmdId++; 136 } 137 138 private void localLog(String s) { 139 if (mLocalLog != null) 140 mLocalLog.log(mInterfaceName + ": " + s); 141 } 142 143 public boolean connectToSupplicant() { 144 // No synchronization necessary .. it is implemented in WifiMonitor 145 localLog(mInterfacePrefix + "connectToSupplicant"); 146 return connectToSupplicantNative(); 147 } 148 149 public void closeSupplicantConnection() { 150 localLog(mInterfacePrefix + "closeSupplicantConnection"); 151 closeSupplicantConnectionNative(); 152 } 153 154 public String waitForEvent() { 155 // No synchronization necessary .. it is implemented in WifiMonitor 156 return waitForEventNative(); 157 } 158 159 private boolean doBooleanCommand(String command) { 160 if (DBG) Log.d(mTAG, "doBoolean: " + command); 161 synchronized (mLock) { 162 int cmdId = getNewCmdIdLocked(); 163 localLog(cmdId + "->" + mInterfacePrefix + command); 164 boolean result = doBooleanCommandNative(mInterfacePrefix + command); 165 localLog(cmdId + "<-" + result); 166 if (DBG) Log.d(mTAG, command + ": returned " + result); 167 return result; 168 } 169 } 170 171 private int doIntCommand(String command) { 172 if (DBG) Log.d(mTAG, "doInt: " + command); 173 synchronized (mLock) { 174 int cmdId = getNewCmdIdLocked(); 175 localLog(cmdId + "->" + mInterfacePrefix + command); 176 int result = doIntCommandNative(mInterfacePrefix + command); 177 localLog(cmdId + "<-" + result); 178 if (DBG) Log.d(mTAG, " returned " + result); 179 return result; 180 } 181 } 182 183 private String doStringCommand(String command) { 184 if (DBG) { 185 //GET_NETWORK commands flood the logs 186 if (!command.startsWith("GET_NETWORK")) { 187 Log.d(mTAG, "doString: [" + command + "]"); 188 } 189 } 190 synchronized (mLock) { 191 int cmdId = getNewCmdIdLocked(); 192 localLog(cmdId + "->" + mInterfacePrefix + command); 193 String result = doStringCommandNative(mInterfacePrefix + command); 194 if (result == null) { 195 if (DBG) Log.d(mTAG, "doStringCommandNative no result"); 196 } else { 197 localLog(cmdId + "<-" + result); 198 if (DBG) Log.d(mTAG, " returned " + result.replace("\n", " ")); 199 } 200 return result; 201 } 202 } 203 204 private String doStringCommandWithoutLogging(String command) { 205 if (DBG) { 206 //GET_NETWORK commands flood the logs 207 if (!command.startsWith("GET_NETWORK")) { 208 Log.d(mTAG, "doString: [" + command + "]"); 209 } 210 } 211 synchronized (mLock) { 212 return doStringCommandNative(mInterfacePrefix + command); 213 } 214 } 215 216 public boolean ping() { 217 String pong = doStringCommand("PING"); 218 return (pong != null && pong.equals("PONG")); 219 } 220 221 public void setSupplicantLogLevel(String level) { 222 doStringCommand("LOG_LEVEL " + level); 223 } 224 225 public String getFreqCapability() { 226 return doStringCommand("GET_CAPABILITY freq"); 227 } 228 229 public boolean scan(int type, String freqList) { 230 if (type == SCAN_WITHOUT_CONNECTION_SETUP) { 231 if (freqList == null) return doBooleanCommand("SCAN TYPE=ONLY"); 232 else return doBooleanCommand("SCAN TYPE=ONLY freq=" + freqList); 233 } else if (type == SCAN_WITH_CONNECTION_SETUP) { 234 if (freqList == null) return doBooleanCommand("SCAN"); 235 else return doBooleanCommand("SCAN freq=" + freqList); 236 } else { 237 throw new IllegalArgumentException("Invalid scan type"); 238 } 239 } 240 241 /* Does a graceful shutdown of supplicant. Is a common stop function for both p2p and sta. 242 * 243 * Note that underneath we use a harsh-sounding "terminate" supplicant command 244 * for a graceful stop and a mild-sounding "stop" interface 245 * to kill the process 246 */ 247 public boolean stopSupplicant() { 248 return doBooleanCommand("TERMINATE"); 249 } 250 251 public String listNetworks() { 252 return doStringCommand("LIST_NETWORKS"); 253 } 254 255 public int addNetwork() { 256 return doIntCommand("ADD_NETWORK"); 257 } 258 259 public boolean setNetworkVariable(int netId, String name, String value) { 260 if (TextUtils.isEmpty(name) || TextUtils.isEmpty(value)) return false; 261 return doBooleanCommand("SET_NETWORK " + netId + " " + name + " " + value); 262 } 263 264 public String getNetworkVariable(int netId, String name) { 265 if (TextUtils.isEmpty(name)) return null; 266 267 // GET_NETWORK will likely flood the logs ... 268 return doStringCommandWithoutLogging("GET_NETWORK " + netId + " " + name); 269 } 270 271 public boolean removeNetwork(int netId) { 272 return doBooleanCommand("REMOVE_NETWORK " + netId); 273 } 274 275 276 private void logDbg(String debug) { 277 long now = SystemClock.elapsedRealtimeNanos(); 278 String ts = String.format("[%,d us] ", now/1000); 279 Log.e("WifiNative: ", ts+debug+ " stack:" 280 + Thread.currentThread().getStackTrace()[2].getMethodName() +" - " 281 + Thread.currentThread().getStackTrace()[3].getMethodName() +" - " 282 + Thread.currentThread().getStackTrace()[4].getMethodName() +" - " 283 + Thread.currentThread().getStackTrace()[5].getMethodName()+" - " 284 + Thread.currentThread().getStackTrace()[6].getMethodName()); 285 286 } 287 public boolean enableNetwork(int netId, boolean disableOthers) { 288 if (DBG) logDbg("enableNetwork nid=" + Integer.toString(netId) 289 + " disableOthers=" + disableOthers); 290 if (disableOthers) { 291 return doBooleanCommand("SELECT_NETWORK " + netId); 292 } else { 293 return doBooleanCommand("ENABLE_NETWORK " + netId); 294 } 295 } 296 297 public boolean disableNetwork(int netId) { 298 if (DBG) logDbg("disableNetwork nid=" + Integer.toString(netId)); 299 return doBooleanCommand("DISABLE_NETWORK " + netId); 300 } 301 302 public boolean reconnect() { 303 if (DBG) logDbg("RECONNECT "); 304 return doBooleanCommand("RECONNECT"); 305 } 306 307 public boolean reassociate() { 308 if (DBG) logDbg("REASSOCIATE "); 309 return doBooleanCommand("REASSOCIATE"); 310 } 311 312 public boolean disconnect() { 313 if (DBG) logDbg("DISCONNECT "); 314 return doBooleanCommand("DISCONNECT"); 315 } 316 317 public String status() { 318 return doStringCommand("STATUS"); 319 } 320 321 public String getMacAddress() { 322 //Macaddr = XX.XX.XX.XX.XX.XX 323 String ret = doStringCommand("DRIVER MACADDR"); 324 if (!TextUtils.isEmpty(ret)) { 325 String[] tokens = ret.split(" = "); 326 if (tokens.length == 2) return tokens[1]; 327 } 328 return null; 329 } 330 331 /** 332 * Format of results: 333 * ================= 334 * id=1 335 * bssid=68:7f:74:d7:1b:6e 336 * freq=2412 337 * level=-43 338 * tsf=1344621975160944 339 * age=2623 340 * flags=[WPA2-PSK-CCMP][WPS][ESS] 341 * ssid=zubyb 342 * ==== 343 * 344 * RANGE=ALL gets all scan results 345 * RANGE=ID- gets results from ID 346 * MASK=<N> see wpa_supplicant/src/common/wpa_ctrl.h for details 347 */ 348 public String scanResults(int sid) { 349 return doStringCommandWithoutLogging("BSS RANGE=" + sid + "- MASK=0x21987"); 350 } 351 352 /** 353 * Format of result: 354 * id=1016 355 * bssid=00:03:7f:40:84:10 356 * freq=2462 357 * beacon_int=200 358 * capabilities=0x0431 359 * qual=0 360 * noise=0 361 * level=-46 362 * tsf=0000002669008476 363 * age=5 364 * ie=00105143412d485332302d52322d54455354010882848b960c12182403010b0706555... 365 * flags=[WPA2-EAP-CCMP][ESS][P2P][HS20] 366 * ssid=QCA-HS20-R2-TEST 367 * p2p_device_name= 368 * p2p_config_methods=0x0SET_NE 369 * anqp_venue_name=02083d656e6757692d466920416c6c69616e63650a3239383920436f... 370 * anqp_network_auth_type=010000 371 * anqp_roaming_consortium=03506f9a05001bc504bd 372 * anqp_ip_addr_type_availability=0c 373 * anqp_nai_realm=0200300000246d61696c2e6578616d706c652e636f6d3b636973636f2... 374 * anqp_3gpp=000600040132f465 375 * anqp_domain_name=0b65786d61706c652e636f6d 376 * hs20_operator_friendly_name=11656e6757692d466920416c6c69616e63650e636869... 377 * hs20_wan_metrics=01c40900008001000000000a00 378 * hs20_connection_capability=0100000006140001061600000650000106bb010106bb0... 379 * hs20_osu_providers_list=0b5143412d4f53552d425353010901310015656e6757692d... 380 */ 381 public String scanResult(String bssid) { 382 return doStringCommand("BSS " + bssid); 383 } 384 385 /** 386 * Format of command 387 * DRIVER WLS_BATCHING SET SCANFREQ=x MSCAN=r BESTN=y CHANNEL=<z, w, t> RTT=s 388 * where x is an ascii representation of an integer number of seconds between scans 389 * r is an ascii representation of an integer number of scans per batch 390 * y is an ascii representation of an integer number of the max AP to remember per scan 391 * z, w, t represent a 1..n size list of channel numbers and/or 'A', 'B' values 392 * indicating entire ranges of channels 393 * s is an ascii representation of an integer number of highest-strength AP 394 * for which we'd like approximate distance reported 395 * 396 * The return value is an ascii integer representing a guess of the number of scans 397 * the firmware can remember before it runs out of buffer space or -1 on error 398 */ 399 public String setBatchedScanSettings(BatchedScanSettings settings) { 400 if (settings == null) { 401 return doStringCommand("DRIVER WLS_BATCHING STOP"); 402 } 403 String cmd = "DRIVER WLS_BATCHING SET SCANFREQ=" + settings.scanIntervalSec; 404 cmd += " MSCAN=" + settings.maxScansPerBatch; 405 if (settings.maxApPerScan != BatchedScanSettings.UNSPECIFIED) { 406 cmd += " BESTN=" + settings.maxApPerScan; 407 } 408 if (settings.channelSet != null && !settings.channelSet.isEmpty()) { 409 cmd += " CHANNEL=<"; 410 int i = 0; 411 for (String channel : settings.channelSet) { 412 cmd += (i > 0 ? "," : "") + channel; 413 ++i; 414 } 415 cmd += ">"; 416 } 417 if (settings.maxApForDistance != BatchedScanSettings.UNSPECIFIED) { 418 cmd += " RTT=" + settings.maxApForDistance; 419 } 420 return doStringCommand(cmd); 421 } 422 423 public String getBatchedScanResults() { 424 return doStringCommand("DRIVER WLS_BATCHING GET"); 425 } 426 427 public boolean startDriver() { 428 return doBooleanCommand("DRIVER START"); 429 } 430 431 public boolean stopDriver() { 432 return doBooleanCommand("DRIVER STOP"); 433 } 434 435 436 /** 437 * Start filtering out Multicast V4 packets 438 * @return {@code true} if the operation succeeded, {@code false} otherwise 439 * 440 * Multicast filtering rules work as follows: 441 * 442 * The driver can filter multicast (v4 and/or v6) and broadcast packets when in 443 * a power optimized mode (typically when screen goes off). 444 * 445 * In order to prevent the driver from filtering the multicast/broadcast packets, we have to 446 * add a DRIVER RXFILTER-ADD rule followed by DRIVER RXFILTER-START to make the rule effective 447 * 448 * DRIVER RXFILTER-ADD Num 449 * where Num = 0 - Unicast, 1 - Broadcast, 2 - Mutil4 or 3 - Multi6 450 * 451 * and DRIVER RXFILTER-START 452 * In order to stop the usage of these rules, we do 453 * 454 * DRIVER RXFILTER-STOP 455 * DRIVER RXFILTER-REMOVE Num 456 * where Num is as described for RXFILTER-ADD 457 * 458 * The SETSUSPENDOPT driver command overrides the filtering rules 459 */ 460 public boolean startFilteringMulticastV4Packets() { 461 return doBooleanCommand("DRIVER RXFILTER-STOP") 462 && doBooleanCommand("DRIVER RXFILTER-REMOVE 2") 463 && doBooleanCommand("DRIVER RXFILTER-START"); 464 } 465 466 /** 467 * Stop filtering out Multicast V4 packets. 468 * @return {@code true} if the operation succeeded, {@code false} otherwise 469 */ 470 public boolean stopFilteringMulticastV4Packets() { 471 return doBooleanCommand("DRIVER RXFILTER-STOP") 472 && doBooleanCommand("DRIVER RXFILTER-ADD 2") 473 && doBooleanCommand("DRIVER RXFILTER-START"); 474 } 475 476 /** 477 * Start filtering out Multicast V6 packets 478 * @return {@code true} if the operation succeeded, {@code false} otherwise 479 */ 480 public boolean startFilteringMulticastV6Packets() { 481 return doBooleanCommand("DRIVER RXFILTER-STOP") 482 && doBooleanCommand("DRIVER RXFILTER-REMOVE 3") 483 && doBooleanCommand("DRIVER RXFILTER-START"); 484 } 485 486 /** 487 * Stop filtering out Multicast V6 packets. 488 * @return {@code true} if the operation succeeded, {@code false} otherwise 489 */ 490 public boolean stopFilteringMulticastV6Packets() { 491 return doBooleanCommand("DRIVER RXFILTER-STOP") 492 && doBooleanCommand("DRIVER RXFILTER-ADD 3") 493 && doBooleanCommand("DRIVER RXFILTER-START"); 494 } 495 496 public int getBand() { 497 String ret = doStringCommand("DRIVER GETBAND"); 498 if (!TextUtils.isEmpty(ret)) { 499 //reply is "BAND X" where X is the band 500 String[] tokens = ret.split(" "); 501 try { 502 if (tokens.length == 2) return Integer.parseInt(tokens[1]); 503 } catch (NumberFormatException e) { 504 return -1; 505 } 506 } 507 return -1; 508 } 509 510 public boolean setBand(int band) { 511 return doBooleanCommand("DRIVER SETBAND " + band); 512 } 513 514 /** 515 * Sets the bluetooth coexistence mode. 516 * 517 * @param mode One of {@link #BLUETOOTH_COEXISTENCE_MODE_DISABLED}, 518 * {@link #BLUETOOTH_COEXISTENCE_MODE_ENABLED}, or 519 * {@link #BLUETOOTH_COEXISTENCE_MODE_SENSE}. 520 * @return Whether the mode was successfully set. 521 */ 522 public boolean setBluetoothCoexistenceMode(int mode) { 523 return doBooleanCommand("DRIVER BTCOEXMODE " + mode); 524 } 525 526 /** 527 * Enable or disable Bluetooth coexistence scan mode. When this mode is on, 528 * some of the low-level scan parameters used by the driver are changed to 529 * reduce interference with A2DP streaming. 530 * 531 * @param isSet whether to enable or disable this mode 532 * @return {@code true} if the command succeeded, {@code false} otherwise. 533 */ 534 public boolean setBluetoothCoexistenceScanMode(boolean setCoexScanMode) { 535 if (setCoexScanMode) { 536 return doBooleanCommand("DRIVER BTCOEXSCAN-START"); 537 } else { 538 return doBooleanCommand("DRIVER BTCOEXSCAN-STOP"); 539 } 540 } 541 542 public void enableSaveConfig() { 543 doBooleanCommand("SET update_config 1"); 544 } 545 546 public boolean saveConfig() { 547 return doBooleanCommand("SAVE_CONFIG"); 548 } 549 550 public boolean addToBlacklist(String bssid) { 551 if (TextUtils.isEmpty(bssid)) return false; 552 return doBooleanCommand("BLACKLIST " + bssid); 553 } 554 555 public boolean clearBlacklist() { 556 return doBooleanCommand("BLACKLIST clear"); 557 } 558 559 public boolean setSuspendOptimizations(boolean enabled) { 560 // if (mSuspendOptEnabled == enabled) return true; 561 mSuspendOptEnabled = enabled; 562 563 Log.e("native", "do suspend " + enabled); 564 if (enabled) { 565 return doBooleanCommand("DRIVER SETSUSPENDMODE 1"); 566 } else { 567 return doBooleanCommand("DRIVER SETSUSPENDMODE 0"); 568 } 569 } 570 571 public boolean setCountryCode(String countryCode) { 572 return doBooleanCommand("DRIVER COUNTRY " + countryCode.toUpperCase(Locale.ROOT)); 573 } 574 575 public void enableBackgroundScan(boolean enable) { 576 if (enable) { 577 doBooleanCommand("SET pno 1"); 578 } else { 579 doBooleanCommand("SET pno 0"); 580 } 581 } 582 583 public void enableAutoConnect(boolean enable) { 584 if (enable) { 585 doBooleanCommand("STA_AUTOCONNECT 1"); 586 } else { 587 doBooleanCommand("STA_AUTOCONNECT 0"); 588 } 589 } 590 591 public void setScanInterval(int scanInterval) { 592 doBooleanCommand("SCAN_INTERVAL " + scanInterval); 593 } 594 595 public void startTdls(String macAddr, boolean enable) { 596 if (enable) { 597 doBooleanCommand("TDLS_DISCOVER " + macAddr); 598 doBooleanCommand("TDLS_SETUP " + macAddr); 599 } else { 600 doBooleanCommand("TDLS_TEARDOWN " + macAddr); 601 } 602 } 603 604 /** Example output: 605 * RSSI=-65 606 * LINKSPEED=48 607 * NOISE=9999 608 * FREQUENCY=0 609 */ 610 public String signalPoll() { 611 return doStringCommandWithoutLogging("SIGNAL_POLL"); 612 } 613 614 /** Example outout: 615 * TXGOOD=396 616 * TXBAD=1 617 */ 618 public String pktcntPoll() { 619 return doStringCommand("PKTCNT_POLL"); 620 } 621 622 public void bssFlush() { 623 doBooleanCommand("BSS_FLUSH 0"); 624 } 625 626 public boolean startWpsPbc(String bssid) { 627 if (TextUtils.isEmpty(bssid)) { 628 return doBooleanCommand("WPS_PBC"); 629 } else { 630 return doBooleanCommand("WPS_PBC " + bssid); 631 } 632 } 633 634 public boolean startWpsPbc(String iface, String bssid) { 635 synchronized (mLock) { 636 if (TextUtils.isEmpty(bssid)) { 637 return doBooleanCommandNative("IFNAME=" + iface + " WPS_PBC"); 638 } else { 639 return doBooleanCommandNative("IFNAME=" + iface + " WPS_PBC " + bssid); 640 } 641 } 642 } 643 644 public boolean startWpsPinKeypad(String pin) { 645 if (TextUtils.isEmpty(pin)) return false; 646 return doBooleanCommand("WPS_PIN any " + pin); 647 } 648 649 public boolean startWpsPinKeypad(String iface, String pin) { 650 if (TextUtils.isEmpty(pin)) return false; 651 synchronized (mLock) { 652 return doBooleanCommandNative("IFNAME=" + iface + " WPS_PIN any " + pin); 653 } 654 } 655 656 657 public String startWpsPinDisplay(String bssid) { 658 if (TextUtils.isEmpty(bssid)) { 659 return doStringCommand("WPS_PIN any"); 660 } else { 661 return doStringCommand("WPS_PIN " + bssid); 662 } 663 } 664 665 public String startWpsPinDisplay(String iface, String bssid) { 666 synchronized (mLock) { 667 if (TextUtils.isEmpty(bssid)) { 668 return doStringCommandNative("IFNAME=" + iface + " WPS_PIN any"); 669 } else { 670 return doStringCommandNative("IFNAME=" + iface + " WPS_PIN " + bssid); 671 } 672 } 673 } 674 675 public boolean setExternalSim(boolean external) { 676 synchronized (mLock) { 677 String value = external ? "1" : "0"; 678 return doBooleanCommand("set external_sim " + value); 679 } 680 } 681 682 public boolean simAuthResponse(int id, String response) { 683 synchronized (mLock) { 684 return doBooleanCommand("CTRL-RSP-SIM-" + id + ":GSM-AUTH" + response); 685 } 686 } 687 688 /* Configures an access point connection */ 689 public boolean startWpsRegistrar(String bssid, String pin) { 690 if (TextUtils.isEmpty(bssid) || TextUtils.isEmpty(pin)) return false; 691 return doBooleanCommand("WPS_REG " + bssid + " " + pin); 692 } 693 694 public boolean cancelWps() { 695 return doBooleanCommand("WPS_CANCEL"); 696 } 697 698 public boolean setPersistentReconnect(boolean enabled) { 699 int value = (enabled == true) ? 1 : 0; 700 return doBooleanCommand("SET persistent_reconnect " + value); 701 } 702 703 public boolean setDeviceName(String name) { 704 return doBooleanCommand("SET device_name " + name); 705 } 706 707 public boolean setDeviceType(String type) { 708 return doBooleanCommand("SET device_type " + type); 709 } 710 711 public boolean setConfigMethods(String cfg) { 712 return doBooleanCommand("SET config_methods " + cfg); 713 } 714 715 public boolean setManufacturer(String value) { 716 return doBooleanCommand("SET manufacturer " + value); 717 } 718 719 public boolean setModelName(String value) { 720 return doBooleanCommand("SET model_name " + value); 721 } 722 723 public boolean setModelNumber(String value) { 724 return doBooleanCommand("SET model_number " + value); 725 } 726 727 public boolean setSerialNumber(String value) { 728 return doBooleanCommand("SET serial_number " + value); 729 } 730 731 public boolean setP2pSsidPostfix(String postfix) { 732 return doBooleanCommand("SET p2p_ssid_postfix " + postfix); 733 } 734 735 public boolean setP2pGroupIdle(String iface, int time) { 736 synchronized (mLock) { 737 return doBooleanCommandNative("IFNAME=" + iface + " SET p2p_group_idle " + time); 738 } 739 } 740 741 public void setPowerSave(boolean enabled) { 742 if (enabled) { 743 doBooleanCommand("SET ps 1"); 744 } else { 745 doBooleanCommand("SET ps 0"); 746 } 747 } 748 749 public boolean setP2pPowerSave(String iface, boolean enabled) { 750 synchronized (mLock) { 751 if (enabled) { 752 return doBooleanCommandNative("IFNAME=" + iface + " P2P_SET ps 1"); 753 } else { 754 return doBooleanCommandNative("IFNAME=" + iface + " P2P_SET ps 0"); 755 } 756 } 757 } 758 759 public boolean setWfdEnable(boolean enable) { 760 return doBooleanCommand("SET wifi_display " + (enable ? "1" : "0")); 761 } 762 763 public boolean setWfdDeviceInfo(String hex) { 764 return doBooleanCommand("WFD_SUBELEM_SET 0 " + hex); 765 } 766 767 /** 768 * "sta" prioritizes STA connection over P2P and "p2p" prioritizes 769 * P2P connection over STA 770 */ 771 public boolean setConcurrencyPriority(String s) { 772 return doBooleanCommand("P2P_SET conc_pref " + s); 773 } 774 775 public boolean p2pFind() { 776 return doBooleanCommand("P2P_FIND"); 777 } 778 779 public boolean p2pFind(int timeout) { 780 if (timeout <= 0) { 781 return p2pFind(); 782 } 783 return doBooleanCommand("P2P_FIND " + timeout); 784 } 785 786 public boolean p2pStopFind() { 787 return doBooleanCommand("P2P_STOP_FIND"); 788 } 789 790 public boolean p2pListen() { 791 return doBooleanCommand("P2P_LISTEN"); 792 } 793 794 public boolean p2pListen(int timeout) { 795 if (timeout <= 0) { 796 return p2pListen(); 797 } 798 return doBooleanCommand("P2P_LISTEN " + timeout); 799 } 800 801 public boolean p2pExtListen(boolean enable, int period, int interval) { 802 if (enable && interval < period) { 803 return false; 804 } 805 return doBooleanCommand("P2P_EXT_LISTEN" 806 + (enable ? (" " + period + " " + interval) : "")); 807 } 808 809 public boolean p2pSetChannel(int lc, int oc) { 810 if (DBG) Log.d(mTAG, "p2pSetChannel: lc="+lc+", oc="+oc); 811 812 if (lc >=1 && lc <= 11) { 813 if (!doBooleanCommand("P2P_SET listen_channel " + lc)) { 814 return false; 815 } 816 } else if (lc != 0) { 817 return false; 818 } 819 820 if (oc >= 1 && oc <= 165 ) { 821 int freq = (oc <= 14 ? 2407 : 5000) + oc * 5; 822 return doBooleanCommand("P2P_SET disallow_freq 1000-" 823 + (freq - 5) + "," + (freq + 5) + "-6000"); 824 } else if (oc == 0) { 825 /* oc==0 disables "P2P_SET disallow_freq" (enables all freqs) */ 826 return doBooleanCommand("P2P_SET disallow_freq \"\""); 827 } 828 829 return false; 830 } 831 832 public boolean p2pFlush() { 833 return doBooleanCommand("P2P_FLUSH"); 834 } 835 836 /* p2p_connect <peer device address> <pbc|pin|PIN#> [label|display|keypad] 837 [persistent] [join|auth] [go_intent=<0..15>] [freq=<in MHz>] */ 838 public String p2pConnect(WifiP2pConfig config, boolean joinExistingGroup) { 839 if (config == null) return null; 840 List<String> args = new ArrayList<String>(); 841 WpsInfo wps = config.wps; 842 args.add(config.deviceAddress); 843 844 switch (wps.setup) { 845 case WpsInfo.PBC: 846 args.add("pbc"); 847 break; 848 case WpsInfo.DISPLAY: 849 if (TextUtils.isEmpty(wps.pin)) { 850 args.add("pin"); 851 } else { 852 args.add(wps.pin); 853 } 854 args.add("display"); 855 break; 856 case WpsInfo.KEYPAD: 857 args.add(wps.pin); 858 args.add("keypad"); 859 break; 860 case WpsInfo.LABEL: 861 args.add(wps.pin); 862 args.add("label"); 863 default: 864 break; 865 } 866 867 if (config.netId == WifiP2pGroup.PERSISTENT_NET_ID) { 868 args.add("persistent"); 869 } 870 871 if (joinExistingGroup) { 872 args.add("join"); 873 } else { 874 //TODO: This can be adapted based on device plugged in state and 875 //device battery state 876 int groupOwnerIntent = config.groupOwnerIntent; 877 if (groupOwnerIntent < 0 || groupOwnerIntent > 15) { 878 groupOwnerIntent = DEFAULT_GROUP_OWNER_INTENT; 879 } 880 args.add("go_intent=" + groupOwnerIntent); 881 } 882 883 String command = "P2P_CONNECT "; 884 for (String s : args) command += s + " "; 885 886 return doStringCommand(command); 887 } 888 889 public boolean p2pCancelConnect() { 890 return doBooleanCommand("P2P_CANCEL"); 891 } 892 893 public boolean p2pProvisionDiscovery(WifiP2pConfig config) { 894 if (config == null) return false; 895 896 switch (config.wps.setup) { 897 case WpsInfo.PBC: 898 return doBooleanCommand("P2P_PROV_DISC " + config.deviceAddress + " pbc"); 899 case WpsInfo.DISPLAY: 900 //We are doing display, so provision discovery is keypad 901 return doBooleanCommand("P2P_PROV_DISC " + config.deviceAddress + " keypad"); 902 case WpsInfo.KEYPAD: 903 //We are doing keypad, so provision discovery is display 904 return doBooleanCommand("P2P_PROV_DISC " + config.deviceAddress + " display"); 905 default: 906 break; 907 } 908 return false; 909 } 910 911 public boolean p2pGroupAdd(boolean persistent) { 912 if (persistent) { 913 return doBooleanCommand("P2P_GROUP_ADD persistent"); 914 } 915 return doBooleanCommand("P2P_GROUP_ADD"); 916 } 917 918 public boolean p2pGroupAdd(int netId) { 919 return doBooleanCommand("P2P_GROUP_ADD persistent=" + netId); 920 } 921 922 public boolean p2pGroupRemove(String iface) { 923 if (TextUtils.isEmpty(iface)) return false; 924 synchronized (mLock) { 925 return doBooleanCommandNative("IFNAME=" + iface + " P2P_GROUP_REMOVE " + iface); 926 } 927 } 928 929 public boolean p2pReject(String deviceAddress) { 930 return doBooleanCommand("P2P_REJECT " + deviceAddress); 931 } 932 933 /* Invite a peer to a group */ 934 public boolean p2pInvite(WifiP2pGroup group, String deviceAddress) { 935 if (TextUtils.isEmpty(deviceAddress)) return false; 936 937 if (group == null) { 938 return doBooleanCommand("P2P_INVITE peer=" + deviceAddress); 939 } else { 940 return doBooleanCommand("P2P_INVITE group=" + group.getInterface() 941 + " peer=" + deviceAddress + " go_dev_addr=" + group.getOwner().deviceAddress); 942 } 943 } 944 945 /* Reinvoke a persistent connection */ 946 public boolean p2pReinvoke(int netId, String deviceAddress) { 947 if (TextUtils.isEmpty(deviceAddress) || netId < 0) return false; 948 949 return doBooleanCommand("P2P_INVITE persistent=" + netId + " peer=" + deviceAddress); 950 } 951 952 public String p2pGetSsid(String deviceAddress) { 953 return p2pGetParam(deviceAddress, "oper_ssid"); 954 } 955 956 public String p2pGetDeviceAddress() { 957 Log.d(TAG, "p2pGetDeviceAddress"); 958 959 /* Explicitly calling the API without IFNAME= prefix to take care of the devices that 960 don't have p2p0 interface. Supplicant seems to be returning the correct address anyway. */ 961 String status = doStringCommandNative("STATUS"); 962 String result = ""; 963 964 if (status != null) { 965 String[] tokens = status.split("\n"); 966 for (String token : tokens) { 967 if (token.startsWith("p2p_device_address=")) { 968 String[] nameValue = token.split("="); 969 if (nameValue.length != 2) 970 break; 971 result = nameValue[1]; 972 } 973 } 974 } 975 976 Log.d(TAG, "p2pGetDeviceAddress returning " + result); 977 return result; 978 } 979 980 public int getGroupCapability(String deviceAddress) { 981 int gc = 0; 982 if (TextUtils.isEmpty(deviceAddress)) return gc; 983 String peerInfo = p2pPeer(deviceAddress); 984 if (TextUtils.isEmpty(peerInfo)) return gc; 985 986 String[] tokens = peerInfo.split("\n"); 987 for (String token : tokens) { 988 if (token.startsWith("group_capab=")) { 989 String[] nameValue = token.split("="); 990 if (nameValue.length != 2) break; 991 try { 992 return Integer.decode(nameValue[1]); 993 } catch(NumberFormatException e) { 994 return gc; 995 } 996 } 997 } 998 return gc; 999 } 1000 1001 public String p2pPeer(String deviceAddress) { 1002 return doStringCommand("P2P_PEER " + deviceAddress); 1003 } 1004 1005 private String p2pGetParam(String deviceAddress, String key) { 1006 if (deviceAddress == null) return null; 1007 1008 String peerInfo = p2pPeer(deviceAddress); 1009 if (peerInfo == null) return null; 1010 String[] tokens= peerInfo.split("\n"); 1011 1012 key += "="; 1013 for (String token : tokens) { 1014 if (token.startsWith(key)) { 1015 String[] nameValue = token.split("="); 1016 if (nameValue.length != 2) break; 1017 return nameValue[1]; 1018 } 1019 } 1020 return null; 1021 } 1022 1023 public boolean p2pServiceAdd(WifiP2pServiceInfo servInfo) { 1024 /* 1025 * P2P_SERVICE_ADD bonjour <query hexdump> <RDATA hexdump> 1026 * P2P_SERVICE_ADD upnp <version hex> <service> 1027 * 1028 * e.g) 1029 * [Bonjour] 1030 * # IP Printing over TCP (PTR) (RDATA=MyPrinter._ipp._tcp.local.) 1031 * P2P_SERVICE_ADD bonjour 045f697070c00c000c01 094d795072696e746572c027 1032 * # IP Printing over TCP (TXT) (RDATA=txtvers=1,pdl=application/postscript) 1033 * P2P_SERVICE_ADD bonjour 096d797072696e746572045f697070c00c001001 1034 * 09747874766572733d311a70646c3d6170706c69636174696f6e2f706f7374736372797074 1035 * 1036 * [UPnP] 1037 * P2P_SERVICE_ADD upnp 10 uuid:6859dede-8574-59ab-9332-123456789012 1038 * P2P_SERVICE_ADD upnp 10 uuid:6859dede-8574-59ab-9332-123456789012::upnp:rootdevice 1039 * P2P_SERVICE_ADD upnp 10 uuid:6859dede-8574-59ab-9332-123456789012::urn:schemas-upnp 1040 * -org:device:InternetGatewayDevice:1 1041 * P2P_SERVICE_ADD upnp 10 uuid:6859dede-8574-59ab-9322-123456789012::urn:schemas-upnp 1042 * -org:service:ContentDirectory:2 1043 */ 1044 for (String s : servInfo.getSupplicantQueryList()) { 1045 String command = "P2P_SERVICE_ADD"; 1046 command += (" " + s); 1047 if (!doBooleanCommand(command)) { 1048 return false; 1049 } 1050 } 1051 return true; 1052 } 1053 1054 public boolean p2pServiceDel(WifiP2pServiceInfo servInfo) { 1055 /* 1056 * P2P_SERVICE_DEL bonjour <query hexdump> 1057 * P2P_SERVICE_DEL upnp <version hex> <service> 1058 */ 1059 for (String s : servInfo.getSupplicantQueryList()) { 1060 String command = "P2P_SERVICE_DEL "; 1061 1062 String[] data = s.split(" "); 1063 if (data.length < 2) { 1064 return false; 1065 } 1066 if ("upnp".equals(data[0])) { 1067 command += s; 1068 } else if ("bonjour".equals(data[0])) { 1069 command += data[0]; 1070 command += (" " + data[1]); 1071 } else { 1072 return false; 1073 } 1074 if (!doBooleanCommand(command)) { 1075 return false; 1076 } 1077 } 1078 return true; 1079 } 1080 1081 public boolean p2pServiceFlush() { 1082 return doBooleanCommand("P2P_SERVICE_FLUSH"); 1083 } 1084 1085 public String p2pServDiscReq(String addr, String query) { 1086 String command = "P2P_SERV_DISC_REQ"; 1087 command += (" " + addr); 1088 command += (" " + query); 1089 1090 return doStringCommand(command); 1091 } 1092 1093 public boolean p2pServDiscCancelReq(String id) { 1094 return doBooleanCommand("P2P_SERV_DISC_CANCEL_REQ " + id); 1095 } 1096 1097 /* Set the current mode of miracast operation. 1098 * 0 = disabled 1099 * 1 = operating as source 1100 * 2 = operating as sink 1101 */ 1102 public void setMiracastMode(int mode) { 1103 // Note: optional feature on the driver. It is ok for this to fail. 1104 doBooleanCommand("DRIVER MIRACAST " + mode); 1105 } 1106 1107 public boolean fetchAnqp(String bssid, String subtypes) { 1108 return doBooleanCommand("ANQP_GET " + bssid + " " + subtypes); 1109 } 1110 1111 /* WIFI HAL support */ 1112 1113 private static final String TAG = "WifiNative-HAL"; 1114 private static long sWifiHalHandle = 0; /* used by JNI to save wifi_handle */ 1115 private static long[] sWifiIfaceHandles = null; /* used by JNI to save interface handles */ 1116 private static int sWlan0Index = -1; 1117 private static int sP2p0Index = -1; 1118 1119 private static boolean sHalIsStarted = false; 1120 1121 private static native boolean startHalNative(); 1122 private static native void stopHalNative(); 1123 private static native void waitForHalEventNative(); 1124 1125 private static class MonitorThread extends Thread { 1126 public void run() { 1127 Log.i(TAG, "Waiting for HAL events mWifiHalHandle=" + Long.toString(sWifiHalHandle)); 1128 waitForHalEventNative(); 1129 } 1130 } 1131 1132 synchronized public static boolean startHal() { 1133 Log.i(TAG, "startHal"); 1134 synchronized (mLock) { 1135 if (sHalIsStarted) 1136 return true; 1137 if (startHalNative()) { 1138 getInterfaces(); 1139 new MonitorThread().start(); 1140 sHalIsStarted = true; 1141 return true; 1142 } else { 1143 Log.i(TAG, "Could not start hal"); 1144 sHalIsStarted = false; 1145 return false; 1146 } 1147 } 1148 } 1149 1150 synchronized public static void stopHal() { 1151 stopHalNative(); 1152 } 1153 1154 private static native int getInterfacesNative(); 1155 1156 synchronized public static int getInterfaces() { 1157 synchronized (mLock) { 1158 if (sWifiIfaceHandles == null) { 1159 int num = getInterfacesNative(); 1160 int wifi_num = 0; 1161 for (int i = 0; i < num; i++) { 1162 String name = getInterfaceNameNative(i); 1163 Log.i(TAG, "interface[" + i + "] = " + name); 1164 if (name.equals("wlan0")) { 1165 sWlan0Index = i; 1166 wifi_num++; 1167 } else if (name.equals("p2p0")) { 1168 sP2p0Index = i; 1169 wifi_num++; 1170 } 1171 } 1172 return wifi_num; 1173 } else { 1174 return sWifiIfaceHandles.length; 1175 } 1176 } 1177 } 1178 1179 private static native String getInterfaceNameNative(int index); 1180 synchronized public static String getInterfaceName(int index) { 1181 return getInterfaceNameNative(index); 1182 } 1183 1184 public static class ScanCapabilities { 1185 public int max_scan_cache_size; // in number of scan results?? 1186 public int max_scan_buckets; 1187 public int max_ap_cache_per_scan; 1188 public int max_rssi_sample_size; 1189 public int max_scan_reporting_threshold; // in number of scan results?? 1190 public int max_hotlist_aps; 1191 public int max_significant_wifi_change_aps; 1192 } 1193 1194 public static boolean getScanCapabilities(ScanCapabilities capabilities) { 1195 return getScanCapabilitiesNative(sWlan0Index, capabilities); 1196 } 1197 1198 private static native boolean getScanCapabilitiesNative( 1199 int iface, ScanCapabilities capabilities); 1200 1201 private static native boolean startScanNative(int iface, int id, ScanSettings settings); 1202 private static native boolean stopScanNative(int iface, int id); 1203 private static native ScanResult[] getScanResultsNative(int iface, boolean flush); 1204 private static native WifiLinkLayerStats getWifiLinkLayerStatsNative(int iface); 1205 1206 public static class ChannelSettings { 1207 int frequency; 1208 int dwell_time_ms; 1209 boolean passive; 1210 } 1211 1212 public static class BucketSettings { 1213 int bucket; 1214 int band; 1215 int period_ms; 1216 int report_events; 1217 int num_channels; 1218 ChannelSettings channels[]; 1219 } 1220 1221 public static class ScanSettings { 1222 int base_period_ms; 1223 int max_ap_per_scan; 1224 int report_threshold; 1225 int num_buckets; 1226 BucketSettings buckets[]; 1227 } 1228 1229 public static interface ScanEventHandler { 1230 void onScanResultsAvailable(); 1231 void onFullScanResult(ScanResult fullScanResult); 1232 void onSingleScanComplete(); 1233 void onScanPaused(); 1234 void onScanRestarted(); 1235 } 1236 1237 synchronized static void onScanResultsAvailable(int id) { 1238 if (sScanEventHandler != null) { 1239 sScanEventHandler.onScanResultsAvailable(); 1240 } 1241 } 1242 1243 /* scan status, keep these values in sync with gscan.h */ 1244 private static int WIFI_SCAN_BUFFER_FULL = 0; 1245 private static int WIFI_SCAN_COMPLETE = 1; 1246 1247 synchronized static void onScanStatus(int status) { 1248 Log.i(TAG, "Got a scan status changed event, status = " + status); 1249 1250 if (status == WIFI_SCAN_BUFFER_FULL) { 1251 /* we have a separate event to take care of this */ 1252 } else if (status == WIFI_SCAN_COMPLETE) { 1253 if (sScanEventHandler != null) { 1254 sScanEventHandler.onSingleScanComplete(); 1255 } 1256 } 1257 } 1258 1259 synchronized static void onFullScanResult(int id, ScanResult result, byte bytes[]) { 1260 if (DBG) Log.i(TAG, "Got a full scan results event, ssid = " + result.SSID + ", " + 1261 "num = " + bytes.length); 1262 1263 int num = 0; 1264 for (int i = 0; i < bytes.length; ) { 1265 num++; 1266 int type = (int) bytes[i] & 0xFF; 1267 int len = (int) bytes[i + 1] & 0xFF; 1268 if (len < 0) { 1269 Log.e(TAG, "bad length; returning"); 1270 return; 1271 } 1272 i += len + 2; 1273 if (DBG) Log.i(TAG, "bytes[" + i + "] = [" + type + ", " + len + "]" + ", " + 1274 "next = " + i); 1275 } 1276 1277 ScanResult.InformationElement elements[] = new ScanResult.InformationElement[num]; 1278 for (int i = 0, index = 0; i < num; i++) { 1279 int type = (int) bytes[index] & 0xFF; 1280 int len = (int) bytes[index + 1] & 0xFF; 1281 if (DBG) Log.i(TAG, "index = " + index + ", type = " + type + ", len = " + len); 1282 ScanResult.InformationElement elem = new ScanResult.InformationElement(); 1283 elem.id = type; 1284 elem.bytes = new byte[len]; 1285 for (int j = 0; j < len; j++) { 1286 elem.bytes[j] = bytes[index + j + 2]; 1287 } 1288 elements[i] = elem; 1289 index += (len + 2); 1290 } 1291 1292 result.informationElements = elements; 1293 if (sScanEventHandler != null) { 1294 sScanEventHandler.onFullScanResult(result); 1295 } 1296 } 1297 1298 private static int sScanCmdId = 0; 1299 private static ScanEventHandler sScanEventHandler; 1300 private static ScanSettings sScanSettings; 1301 1302 synchronized public static boolean startScan( 1303 ScanSettings settings, ScanEventHandler eventHandler) { 1304 synchronized (mLock) { 1305 1306 if (sScanCmdId != 0) { 1307 stopScan(); 1308 } else if (sScanSettings != null || sScanEventHandler != null) { 1309 /* current scan is paused; no need to stop it */ 1310 } 1311 1312 sScanCmdId = getNewCmdIdLocked(); 1313 1314 sScanSettings = settings; 1315 sScanEventHandler = eventHandler; 1316 1317 if (startScanNative(sWlan0Index, sScanCmdId, settings) == false) { 1318 sScanEventHandler = null; 1319 sScanSettings = null; 1320 return false; 1321 } 1322 1323 return true; 1324 } 1325 } 1326 1327 synchronized public static void stopScan() { 1328 synchronized (mLock) { 1329 stopScanNative(sWlan0Index, sScanCmdId); 1330 sScanSettings = null; 1331 sScanEventHandler = null; 1332 sScanCmdId = 0; 1333 } 1334 } 1335 1336 synchronized public static void pauseScan() { 1337 synchronized (mLock) { 1338 if (sScanCmdId != 0 && sScanSettings != null && sScanEventHandler != null) { 1339 Log.d(TAG, "Pausing scan"); 1340 stopScanNative(sWlan0Index, sScanCmdId); 1341 sScanCmdId = 0; 1342 sScanEventHandler.onScanPaused(); 1343 } 1344 } 1345 } 1346 1347 synchronized public static void restartScan() { 1348 synchronized (mLock) { 1349 if (sScanCmdId == 0 && sScanSettings != null && sScanEventHandler != null) { 1350 Log.d(TAG, "Restarting scan"); 1351 startScan(sScanSettings, sScanEventHandler); 1352 sScanEventHandler.onScanRestarted(); 1353 } 1354 } 1355 } 1356 1357 synchronized public static ScanResult[] getScanResults() { 1358 synchronized (mLock) { 1359 return getScanResultsNative(sWlan0Index, /* flush = */ false); 1360 } 1361 } 1362 1363 public static interface HotlistEventHandler { 1364 void onHotlistApFound (ScanResult[]result); 1365 } 1366 1367 private static int sHotlistCmdId = 0; 1368 private static HotlistEventHandler sHotlistEventHandler; 1369 1370 private native static boolean setHotlistNative(int iface, int id, 1371 WifiScanner.HotlistSettings settings); 1372 private native static boolean resetHotlistNative(int iface, int id); 1373 1374 synchronized public static boolean setHotlist(WifiScanner.HotlistSettings settings, 1375 HotlistEventHandler eventHandler) { 1376 synchronized (mLock) { 1377 if (sHotlistCmdId != 0) { 1378 return false; 1379 } else { 1380 sHotlistCmdId = getNewCmdIdLocked(); 1381 } 1382 1383 sHotlistEventHandler = eventHandler; 1384 if (setHotlistNative(sWlan0Index, sScanCmdId, settings) == false) { 1385 sHotlistEventHandler = null; 1386 return false; 1387 } 1388 1389 return true; 1390 } 1391 } 1392 1393 synchronized public static void resetHotlist() { 1394 synchronized (mLock) { 1395 if (sHotlistCmdId != 0) { 1396 resetHotlistNative(sWlan0Index, sHotlistCmdId); 1397 sHotlistCmdId = 0; 1398 sHotlistEventHandler = null; 1399 } 1400 } 1401 } 1402 1403 synchronized public static void onHotlistApFound(int id, ScanResult[] results) { 1404 synchronized (mLock) { 1405 if (sHotlistCmdId != 0) { 1406 sHotlistEventHandler.onHotlistApFound(results); 1407 } else { 1408 /* this can happen because of race conditions */ 1409 Log.d(TAG, "Ignoring hotlist AP found change"); 1410 } 1411 } 1412 } 1413 1414 public static interface SignificantWifiChangeEventHandler { 1415 void onChangesFound(ScanResult[] result); 1416 } 1417 1418 private static SignificantWifiChangeEventHandler sSignificantWifiChangeHandler; 1419 private static int sSignificantWifiChangeCmdId; 1420 1421 private static native boolean trackSignificantWifiChangeNative( 1422 int iface, int id, WifiScanner.WifiChangeSettings settings); 1423 private static native boolean untrackSignificantWifiChangeNative(int iface, int id); 1424 1425 synchronized public static boolean trackSignificantWifiChange( 1426 WifiScanner.WifiChangeSettings settings, SignificantWifiChangeEventHandler handler) { 1427 synchronized (mLock) { 1428 if (sSignificantWifiChangeCmdId != 0) { 1429 return false; 1430 } else { 1431 sSignificantWifiChangeCmdId = getNewCmdIdLocked(); 1432 } 1433 1434 sSignificantWifiChangeHandler = handler; 1435 if (trackSignificantWifiChangeNative(sWlan0Index, sScanCmdId, settings) == false) { 1436 sSignificantWifiChangeHandler = null; 1437 return false; 1438 } 1439 1440 return true; 1441 } 1442 } 1443 1444 synchronized static void untrackSignificantWifiChange() { 1445 synchronized (mLock) { 1446 if (sSignificantWifiChangeCmdId != 0) { 1447 untrackSignificantWifiChangeNative(sWlan0Index, sSignificantWifiChangeCmdId); 1448 sSignificantWifiChangeCmdId = 0; 1449 sSignificantWifiChangeHandler = null; 1450 } 1451 } 1452 } 1453 1454 synchronized static void onSignificantWifiChange(int id, ScanResult[] results) { 1455 synchronized (mLock) { 1456 if (sSignificantWifiChangeCmdId != 0) { 1457 sSignificantWifiChangeHandler.onChangesFound(results); 1458 } else { 1459 /* this can happen because of race conditions */ 1460 Log.d(TAG, "Ignoring significant wifi change"); 1461 } 1462 } 1463 } 1464 1465 synchronized public static WifiLinkLayerStats getWifiLinkLayerStats() { 1466 synchronized (mLock) { 1467 if (!sHalIsStarted) 1468 startHal(); 1469 if (sHalIsStarted) 1470 return getWifiLinkLayerStatsNative(sWlan0Index); 1471 } 1472 return null; 1473 } 1474 1475 /* 1476 * NFC-related calls 1477 */ 1478 public String getNfcWpsConfigurationToken(int netId) { 1479 return doStringCommand("WPS_NFC_CONFIG_TOKEN WPS " + netId); 1480 } 1481 1482 public String getNfcHandoverRequest() { 1483 return doStringCommand("NFC_GET_HANDOVER_REQ NDEF P2P-CR"); 1484 } 1485 1486 public String getNfcHandoverSelect() { 1487 return doStringCommand("NFC_GET_HANDOVER_SEL NDEF P2P-CR"); 1488 } 1489 1490 public boolean initiatorReportNfcHandover(String selectMessage) { 1491 return doBooleanCommand("NFC_REPORT_HANDOVER INIT P2P 00 " + selectMessage); 1492 } 1493 1494 public boolean responderReportNfcHandover(String requestMessage) { 1495 return doBooleanCommand("NFC_REPORT_HANDOVER RESP P2P " + requestMessage + " 00"); 1496 } 1497 1498 public static native int getSupportedFeatureSetNative(int iface); 1499 synchronized public static int getSupportedFeatureSet() { 1500 return getSupportedFeatureSetNative(sWlan0Index); 1501 } 1502 1503 /* Rtt related commands/events */ 1504 public static interface RttEventHandler { 1505 void onRttResults(RttManager.RttResult[] result); 1506 } 1507 1508 private static RttEventHandler sRttEventHandler; 1509 private static int sRttCmdId; 1510 1511 synchronized private static void onRttResults(int id, RttManager.RttResult[] results) { 1512 if (id == sRttCmdId) { 1513 Log.d(TAG, "Received " + results.length + " rtt results"); 1514 sRttEventHandler.onRttResults(results); 1515 sRttCmdId = 0; 1516 } else { 1517 Log.d(TAG, "Received event for unknown cmd = " + id + ", current id = " + sRttCmdId); 1518 } 1519 } 1520 1521 private static native boolean requestRangeNative( 1522 int iface, int id, RttManager.RttParams[] params); 1523 private static native boolean cancelRangeRequestNative( 1524 int iface, int id, RttManager.RttParams[] params); 1525 1526 synchronized public static boolean requestRtt( 1527 RttManager.RttParams[] params, RttEventHandler handler) { 1528 synchronized (mLock) { 1529 if (sRttCmdId != 0) { 1530 return false; 1531 } else { 1532 sRttCmdId = getNewCmdIdLocked(); 1533 } 1534 sRttEventHandler = handler; 1535 return requestRangeNative(sWlan0Index, sRttCmdId, params); 1536 } 1537 } 1538 1539 synchronized public static boolean cancelRtt(RttManager.RttParams[] params) { 1540 synchronized(mLock) { 1541 if (sRttCmdId == 0) { 1542 return false; 1543 } 1544 1545 if (cancelRangeRequestNative(sWlan0Index, sRttCmdId, params)) { 1546 sRttEventHandler = null; 1547 return true; 1548 } else { 1549 return false; 1550 } 1551 } 1552 } 1553} 1554