WifiNative.java revision dd490cf1df37b70a8625dc4ec8e712f740dd1e4a
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.WifiConfiguration; 23import android.net.wifi.WifiLinkLayerStats; 24import android.net.wifi.WifiManager; 25import android.net.wifi.WifiScanner; 26import android.net.wifi.RttManager; 27import android.net.wifi.WifiSsid; 28import android.net.wifi.WpsInfo; 29import android.net.wifi.p2p.WifiP2pConfig; 30import android.net.wifi.p2p.WifiP2pGroup; 31import android.net.wifi.p2p.nsd.WifiP2pServiceInfo; 32import android.os.SystemClock; 33import android.text.TextUtils; 34import android.util.LocalLog; 35import android.util.Log; 36 37import java.util.ArrayList; 38import java.util.List; 39import java.util.Locale; 40 41/** 42 * Native calls for bring up/shut down of the supplicant daemon and for 43 * sending requests to the supplicant daemon 44 * 45 * waitForEvent() is called on the monitor thread for events. All other methods 46 * must be serialized from the framework. 47 * 48 * {@hide} 49 */ 50public class WifiNative { 51 52 private static boolean DBG = false; 53 private final String mTAG; 54 private static final int DEFAULT_GROUP_OWNER_INTENT = 6; 55 56 static final int BLUETOOTH_COEXISTENCE_MODE_ENABLED = 0; 57 static final int BLUETOOTH_COEXISTENCE_MODE_DISABLED = 1; 58 static final int BLUETOOTH_COEXISTENCE_MODE_SENSE = 2; 59 60 static final int SCAN_WITHOUT_CONNECTION_SETUP = 1; 61 static final int SCAN_WITH_CONNECTION_SETUP = 2; 62 63 // Hold this lock before calling supplicant - it is required to 64 // mutually exclude access from Wifi and P2p state machines 65 static final Object mLock = new Object(); 66 67 public final String mInterfaceName; 68 public final String mInterfacePrefix; 69 70 private boolean mSuspendOptEnabled = false; 71 72 private static final int EID_HT_OPERATION = 61; 73 private static final int EID_VHT_OPERATION = 192; 74 private static final int EID_EXTENDED_CAPS = 127; 75 private static final int RTT_RESP_ENABLE_BIT = 70; 76 /* Register native functions */ 77 78 static { 79 /* Native functions are defined in libwifi-service.so */ 80 System.loadLibrary("wifi-service"); 81 registerNatives(); 82 } 83 84 private static native int registerNatives(); 85 86 public native static boolean loadDriver(); 87 88 public native static boolean isDriverLoaded(); 89 90 public native static boolean unloadDriver(); 91 92 public native static boolean startSupplicant(boolean p2pSupported); 93 94 /* Sends a kill signal to supplicant. To be used when we have lost connection 95 or when the supplicant is hung */ 96 public native static boolean killSupplicant(boolean p2pSupported); 97 98 private native boolean connectToSupplicantNative(); 99 100 private native void closeSupplicantConnectionNative(); 101 102 /** 103 * Wait for the supplicant to send an event, returning the event string. 104 * @return the event string sent by the supplicant. 105 */ 106 private native String waitForEventNative(); 107 108 private native boolean doBooleanCommandNative(String command); 109 110 private native int doIntCommandNative(String command); 111 112 private native String doStringCommandNative(String command); 113 114 public WifiNative(String interfaceName) { 115 mInterfaceName = interfaceName; 116 mTAG = "WifiNative-" + interfaceName; 117 if (!interfaceName.equals("p2p0")) { 118 mInterfacePrefix = "IFNAME=" + interfaceName + " "; 119 } else { 120 // commands for p2p0 interface don't need prefix 121 mInterfacePrefix = ""; 122 } 123 } 124 125 void enableVerboseLogging(int verbose) { 126 if (verbose > 0) { 127 DBG = true; 128 } else { 129 DBG = false; 130 } 131 } 132 133 private static final LocalLog mLocalLog = new LocalLog(1024); 134 135 // hold mLock before accessing mCmdIdLock 136 private static int sCmdId; 137 138 public LocalLog getLocalLog() { 139 return mLocalLog; 140 } 141 142 private static int getNewCmdIdLocked() { 143 return sCmdId++; 144 } 145 146 private void localLog(String s) { 147 if (mLocalLog != null) 148 mLocalLog.log(mInterfaceName + ": " + s); 149 } 150 151 public boolean connectToSupplicant() { 152 // No synchronization necessary .. it is implemented in WifiMonitor 153 localLog(mInterfacePrefix + "connectToSupplicant"); 154 return connectToSupplicantNative(); 155 } 156 157 public void closeSupplicantConnection() { 158 localLog(mInterfacePrefix + "closeSupplicantConnection"); 159 closeSupplicantConnectionNative(); 160 } 161 162 public String waitForEvent() { 163 // No synchronization necessary .. it is implemented in WifiMonitor 164 return waitForEventNative(); 165 } 166 167 private boolean doBooleanCommand(String command) { 168 if (DBG) Log.d(mTAG, "doBoolean: " + command); 169 synchronized (mLock) { 170 int cmdId = getNewCmdIdLocked(); 171 String toLog = Integer.toString(cmdId) + ":" + mInterfacePrefix + command; 172 boolean result = doBooleanCommandNative(mInterfacePrefix + command); 173 localLog(toLog + " -> " + result); 174 if (DBG) Log.d(mTAG, command + ": returned " + result); 175 return result; 176 } 177 } 178 179 private int doIntCommand(String command) { 180 if (DBG) Log.d(mTAG, "doInt: " + command); 181 synchronized (mLock) { 182 int cmdId = getNewCmdIdLocked(); 183 String toLog = Integer.toString(cmdId) + ":" + mInterfacePrefix + command; 184 int result = doIntCommandNative(mInterfacePrefix + command); 185 localLog(toLog + " -> " + result); 186 if (DBG) Log.d(mTAG, " returned " + result); 187 return result; 188 } 189 } 190 191 private String doStringCommand(String command) { 192 if (DBG) { 193 //GET_NETWORK commands flood the logs 194 if (!command.startsWith("GET_NETWORK")) { 195 Log.d(mTAG, "doString: [" + command + "]"); 196 } 197 } 198 synchronized (mLock) { 199 int cmdId = getNewCmdIdLocked(); 200 String toLog = Integer.toString(cmdId) + ":" + mInterfacePrefix + command; 201 String result = doStringCommandNative(mInterfacePrefix + command); 202 if (result == null) { 203 if (DBG) Log.d(mTAG, "doStringCommandNative no result"); 204 } else { 205 if (!command.startsWith("STATUS-")) { 206 localLog(toLog + " -> " + result); 207 } 208 if (DBG) Log.d(mTAG, " returned " + result.replace("\n", " ")); 209 } 210 return result; 211 } 212 } 213 214 private String doStringCommandWithoutLogging(String command) { 215 if (DBG) { 216 //GET_NETWORK commands flood the logs 217 if (!command.startsWith("GET_NETWORK")) { 218 Log.d(mTAG, "doString: [" + command + "]"); 219 } 220 } 221 synchronized (mLock) { 222 return doStringCommandNative(mInterfacePrefix + command); 223 } 224 } 225 226 public boolean ping() { 227 String pong = doStringCommand("PING"); 228 return (pong != null && pong.equals("PONG")); 229 } 230 231 public void setSupplicantLogLevel(String level) { 232 doStringCommand("LOG_LEVEL " + level); 233 } 234 235 public String getFreqCapability() { 236 return doStringCommand("GET_CAPABILITY freq"); 237 } 238 239 public boolean scan(int type, String freqList) { 240 if (type == SCAN_WITHOUT_CONNECTION_SETUP) { 241 if (freqList == null) return doBooleanCommand("SCAN TYPE=ONLY"); 242 else return doBooleanCommand("SCAN TYPE=ONLY freq=" + freqList); 243 } else if (type == SCAN_WITH_CONNECTION_SETUP) { 244 if (freqList == null) return doBooleanCommand("SCAN"); 245 else return doBooleanCommand("SCAN freq=" + freqList); 246 } else { 247 throw new IllegalArgumentException("Invalid scan type"); 248 } 249 } 250 251 /* Does a graceful shutdown of supplicant. Is a common stop function for both p2p and sta. 252 * 253 * Note that underneath we use a harsh-sounding "terminate" supplicant command 254 * for a graceful stop and a mild-sounding "stop" interface 255 * to kill the process 256 */ 257 public boolean stopSupplicant() { 258 return doBooleanCommand("TERMINATE"); 259 } 260 261 public String listNetworks() { 262 return doStringCommand("LIST_NETWORKS"); 263 } 264 265 public String listNetworks(int last_id) { 266 return doStringCommand("LIST_NETWORKS LAST_ID=" + last_id); 267 } 268 269 public int addNetwork() { 270 return doIntCommand("ADD_NETWORK"); 271 } 272 273 public boolean setNetworkVariable(int netId, String name, String value) { 274 if (TextUtils.isEmpty(name) || TextUtils.isEmpty(value)) return false; 275 return doBooleanCommand("SET_NETWORK " + netId + " " + name + " " + value); 276 } 277 278 public String getNetworkVariable(int netId, String name) { 279 if (TextUtils.isEmpty(name)) return null; 280 281 // GET_NETWORK will likely flood the logs ... 282 return doStringCommandWithoutLogging("GET_NETWORK " + netId + " " + name); 283 } 284 285 public boolean removeNetwork(int netId) { 286 return doBooleanCommand("REMOVE_NETWORK " + netId); 287 } 288 289 290 private void logDbg(String debug) { 291 long now = SystemClock.elapsedRealtimeNanos(); 292 String ts = String.format("[%,d us] ", now/1000); 293 Log.e("WifiNative: ", ts+debug+ " stack:" 294 + Thread.currentThread().getStackTrace()[2].getMethodName() +" - " 295 + Thread.currentThread().getStackTrace()[3].getMethodName() +" - " 296 + Thread.currentThread().getStackTrace()[4].getMethodName() +" - " 297 + Thread.currentThread().getStackTrace()[5].getMethodName()+" - " 298 + Thread.currentThread().getStackTrace()[6].getMethodName()); 299 300 } 301 public boolean enableNetwork(int netId, boolean disableOthers) { 302 if (DBG) logDbg("enableNetwork nid=" + Integer.toString(netId) 303 + " disableOthers=" + disableOthers); 304 if (disableOthers) { 305 return doBooleanCommand("SELECT_NETWORK " + netId); 306 } else { 307 return doBooleanCommand("ENABLE_NETWORK " + netId); 308 } 309 } 310 311 public boolean disableNetwork(int netId) { 312 if (DBG) logDbg("disableNetwork nid=" + Integer.toString(netId)); 313 return doBooleanCommand("DISABLE_NETWORK " + netId); 314 } 315 316 public boolean selectNetwork(int netId) { 317 if (DBG) logDbg("selectNetwork nid=" + Integer.toString(netId)); 318 return doBooleanCommand("SELECT_NETWORK " + netId); 319 } 320 321 public boolean reconnect() { 322 if (DBG) logDbg("RECONNECT "); 323 return doBooleanCommand("RECONNECT"); 324 } 325 326 public boolean reassociate() { 327 if (DBG) logDbg("REASSOCIATE "); 328 return doBooleanCommand("REASSOCIATE"); 329 } 330 331 public boolean disconnect() { 332 if (DBG) logDbg("DISCONNECT "); 333 return doBooleanCommand("DISCONNECT"); 334 } 335 336 public String status() { 337 return status(false); 338 } 339 340 public String status(boolean noEvents) { 341 if (noEvents) { 342 return doStringCommand("STATUS-NO_EVENTS"); 343 } else { 344 return doStringCommand("STATUS"); 345 } 346 } 347 348 public String getMacAddress() { 349 //Macaddr = XX.XX.XX.XX.XX.XX 350 String ret = doStringCommand("DRIVER MACADDR"); 351 if (!TextUtils.isEmpty(ret)) { 352 String[] tokens = ret.split(" = "); 353 if (tokens.length == 2) return tokens[1]; 354 } 355 return null; 356 } 357 358 359 360 /** 361 * Format of results: 362 * ================= 363 * id=1 364 * bssid=68:7f:74:d7:1b:6e 365 * freq=2412 366 * level=-43 367 * tsf=1344621975160944 368 * age=2623 369 * flags=[WPA2-PSK-CCMP][WPS][ESS] 370 * ssid=zubyb 371 * ==== 372 * 373 * RANGE=ALL gets all scan results 374 * RANGE=ID- gets results from ID 375 * MASK=<N> see wpa_supplicant/src/common/wpa_ctrl.h for details 376 * 0 0 1 0 2 377 * WPA_BSS_MASK_MESH_SCAN | WPA_BSS_MASK_DELIM | WPA_BSS_MASK_WIFI_DISPLAY 378 * 0 0 0 1 1 -> 9 379 * WPA_BSS_MASK_INTERNETW | WPA_BSS_MASK_P2P_SCAN | WPA_BSS_MASK_WPS_SCAN | WPA_BSS_MASK_SSID 380 * 1 0 0 1 9 -> d 381 * WPA_BSS_MASK_FLAGS | WPA_BSS_MASK_IE | WPA_BSS_MASK_AGE | WPA_BSS_MASK_TSF 382 * 1 0 0 0 8 383 * WPA_BSS_MASK_LEVEL | WPA_BSS_MASK_NOISE | WPA_BSS_MASK_QUAL | WPA_BSS_MASK_CAPABILITIES 384 * 0 1 1 1 7 385 * WPA_BSS_MASK_BEACON_INT | WPA_BSS_MASK_FREQ | WPA_BSS_MASK_BSSID | WPA_BSS_MASK_ID 386 * 387 * WPA_BSS_MASK_INTERNETW adds ANQP info (ctrl_iface:4151-4176) 388 * 389 * ctrl_iface.c:wpa_supplicant_ctrl_iface_process:7884 390 * wpa_supplicant_ctrl_iface_bss:4315 391 * print_bss_info 392 */ 393 public String scanResults(int sid) { 394 return doStringCommandWithoutLogging("BSS RANGE=" + sid + "- MASK=0x29d87"); 395 } 396 397 public String doCustomCommand(String command) { 398 return doStringCommand(command); 399 } 400 401 /** 402 * Format of result: 403 * id=1016 404 * bssid=00:03:7f:40:84:10 405 * freq=2462 406 * beacon_int=200 407 * capabilities=0x0431 408 * qual=0 409 * noise=0 410 * level=-46 411 * tsf=0000002669008476 412 * age=5 413 * ie=00105143412d485332302d52322d54455354010882848b960c12182403010b0706555... 414 * flags=[WPA2-EAP-CCMP][ESS][P2P][HS20] 415 * ssid=QCA-HS20-R2-TEST 416 * p2p_device_name= 417 * p2p_config_methods=0x0SET_NE 418 * anqp_venue_name=02083d656e6757692d466920416c6c69616e63650a3239383920436f... 419 * anqp_network_auth_type=010000 420 * anqp_roaming_consortium=03506f9a05001bc504bd 421 * anqp_ip_addr_type_availability=0c 422 * anqp_nai_realm=0200300000246d61696c2e6578616d706c652e636f6d3b636973636f2... 423 * anqp_3gpp=000600040132f465 424 * anqp_domain_name=0b65786d61706c652e636f6d 425 * hs20_operator_friendly_name=11656e6757692d466920416c6c69616e63650e636869... 426 * hs20_wan_metrics=01c40900008001000000000a00 427 * hs20_connection_capability=0100000006140001061600000650000106bb010106bb0... 428 * hs20_osu_providers_list=0b5143412d4f53552d425353010901310015656e6757692d... 429 */ 430 public String scanResult(String bssid) { 431 return doStringCommand("BSS " + bssid); 432 } 433 434 /** 435 * Format of command 436 * DRIVER WLS_BATCHING SET SCANFREQ=x MSCAN=r BESTN=y CHANNEL=<z, w, t> RTT=s 437 * where x is an ascii representation of an integer number of seconds between scans 438 * r is an ascii representation of an integer number of scans per batch 439 * y is an ascii representation of an integer number of the max AP to remember per scan 440 * z, w, t represent a 1..n size list of channel numbers and/or 'A', 'B' values 441 * indicating entire ranges of channels 442 * s is an ascii representation of an integer number of highest-strength AP 443 * for which we'd like approximate distance reported 444 * 445 * The return value is an ascii integer representing a guess of the number of scans 446 * the firmware can remember before it runs out of buffer space or -1 on error 447 */ 448 public String setBatchedScanSettings(BatchedScanSettings settings) { 449 if (settings == null) { 450 return doStringCommand("DRIVER WLS_BATCHING STOP"); 451 } 452 String cmd = "DRIVER WLS_BATCHING SET SCANFREQ=" + settings.scanIntervalSec; 453 cmd += " MSCAN=" + settings.maxScansPerBatch; 454 if (settings.maxApPerScan != BatchedScanSettings.UNSPECIFIED) { 455 cmd += " BESTN=" + settings.maxApPerScan; 456 } 457 if (settings.channelSet != null && !settings.channelSet.isEmpty()) { 458 cmd += " CHANNEL=<"; 459 int i = 0; 460 for (String channel : settings.channelSet) { 461 cmd += (i > 0 ? "," : "") + channel; 462 ++i; 463 } 464 cmd += ">"; 465 } 466 if (settings.maxApForDistance != BatchedScanSettings.UNSPECIFIED) { 467 cmd += " RTT=" + settings.maxApForDistance; 468 } 469 return doStringCommand(cmd); 470 } 471 472 public String getBatchedScanResults() { 473 return doStringCommand("DRIVER WLS_BATCHING GET"); 474 } 475 476 public boolean startDriver() { 477 return doBooleanCommand("DRIVER START"); 478 } 479 480 public boolean stopDriver() { 481 return doBooleanCommand("DRIVER STOP"); 482 } 483 484 485 /** 486 * Start filtering out Multicast V4 packets 487 * @return {@code true} if the operation succeeded, {@code false} otherwise 488 * 489 * Multicast filtering rules work as follows: 490 * 491 * The driver can filter multicast (v4 and/or v6) and broadcast packets when in 492 * a power optimized mode (typically when screen goes off). 493 * 494 * In order to prevent the driver from filtering the multicast/broadcast packets, we have to 495 * add a DRIVER RXFILTER-ADD rule followed by DRIVER RXFILTER-START to make the rule effective 496 * 497 * DRIVER RXFILTER-ADD Num 498 * where Num = 0 - Unicast, 1 - Broadcast, 2 - Mutil4 or 3 - Multi6 499 * 500 * and DRIVER RXFILTER-START 501 * In order to stop the usage of these rules, we do 502 * 503 * DRIVER RXFILTER-STOP 504 * DRIVER RXFILTER-REMOVE Num 505 * where Num is as described for RXFILTER-ADD 506 * 507 * The SETSUSPENDOPT driver command overrides the filtering rules 508 */ 509 public boolean startFilteringMulticastV4Packets() { 510 return doBooleanCommand("DRIVER RXFILTER-STOP") 511 && doBooleanCommand("DRIVER RXFILTER-REMOVE 2") 512 && doBooleanCommand("DRIVER RXFILTER-START"); 513 } 514 515 /** 516 * Stop filtering out Multicast V4 packets. 517 * @return {@code true} if the operation succeeded, {@code false} otherwise 518 */ 519 public boolean stopFilteringMulticastV4Packets() { 520 return doBooleanCommand("DRIVER RXFILTER-STOP") 521 && doBooleanCommand("DRIVER RXFILTER-ADD 2") 522 && doBooleanCommand("DRIVER RXFILTER-START"); 523 } 524 525 /** 526 * Start filtering out Multicast V6 packets 527 * @return {@code true} if the operation succeeded, {@code false} otherwise 528 */ 529 public boolean startFilteringMulticastV6Packets() { 530 return doBooleanCommand("DRIVER RXFILTER-STOP") 531 && doBooleanCommand("DRIVER RXFILTER-REMOVE 3") 532 && doBooleanCommand("DRIVER RXFILTER-START"); 533 } 534 535 /** 536 * Stop filtering out Multicast V6 packets. 537 * @return {@code true} if the operation succeeded, {@code false} otherwise 538 */ 539 public boolean stopFilteringMulticastV6Packets() { 540 return doBooleanCommand("DRIVER RXFILTER-STOP") 541 && doBooleanCommand("DRIVER RXFILTER-ADD 3") 542 && doBooleanCommand("DRIVER RXFILTER-START"); 543 } 544 545 /** 546 * Set the operational frequency band 547 * @param band One of 548 * {@link WifiManager#WIFI_FREQUENCY_BAND_AUTO}, 549 * {@link WifiManager#WIFI_FREQUENCY_BAND_5GHZ}, 550 * {@link WifiManager#WIFI_FREQUENCY_BAND_2GHZ}, 551 * @return {@code true} if the operation succeeded, {@code false} otherwise 552 */ 553 public boolean setBand(int band) { 554 String bandstr; 555 556 if (band == WifiManager.WIFI_FREQUENCY_BAND_5GHZ) 557 bandstr = "5G"; 558 else if (band == WifiManager.WIFI_FREQUENCY_BAND_2GHZ) 559 bandstr = "2G"; 560 else 561 bandstr = "AUTO"; 562 return doBooleanCommand("SET SETBAND " + bandstr); 563 } 564 565 /** 566 * Sets the bluetooth coexistence mode. 567 * 568 * @param mode One of {@link #BLUETOOTH_COEXISTENCE_MODE_DISABLED}, 569 * {@link #BLUETOOTH_COEXISTENCE_MODE_ENABLED}, or 570 * {@link #BLUETOOTH_COEXISTENCE_MODE_SENSE}. 571 * @return Whether the mode was successfully set. 572 */ 573 public boolean setBluetoothCoexistenceMode(int mode) { 574 return doBooleanCommand("DRIVER BTCOEXMODE " + mode); 575 } 576 577 /** 578 * Enable or disable Bluetooth coexistence scan mode. When this mode is on, 579 * some of the low-level scan parameters used by the driver are changed to 580 * reduce interference with A2DP streaming. 581 * 582 * @param isSet whether to enable or disable this mode 583 * @return {@code true} if the command succeeded, {@code false} otherwise. 584 */ 585 public boolean setBluetoothCoexistenceScanMode(boolean setCoexScanMode) { 586 if (setCoexScanMode) { 587 return doBooleanCommand("DRIVER BTCOEXSCAN-START"); 588 } else { 589 return doBooleanCommand("DRIVER BTCOEXSCAN-STOP"); 590 } 591 } 592 593 public void enableSaveConfig() { 594 doBooleanCommand("SET update_config 1"); 595 } 596 597 public boolean saveConfig() { 598 return doBooleanCommand("SAVE_CONFIG"); 599 } 600 601 public boolean addToBlacklist(String bssid) { 602 if (TextUtils.isEmpty(bssid)) return false; 603 return doBooleanCommand("BLACKLIST " + bssid); 604 } 605 606 public boolean clearBlacklist() { 607 return doBooleanCommand("BLACKLIST clear"); 608 } 609 610 public boolean setSuspendOptimizations(boolean enabled) { 611 // if (mSuspendOptEnabled == enabled) return true; 612 mSuspendOptEnabled = enabled; 613 614 Log.e("native", "do suspend " + enabled); 615 if (enabled) { 616 return doBooleanCommand("DRIVER SETSUSPENDMODE 1"); 617 } else { 618 return doBooleanCommand("DRIVER SETSUSPENDMODE 0"); 619 } 620 } 621 622 public boolean setCountryCode(String countryCode) { 623 if (countryCode != null) 624 return doBooleanCommand("DRIVER COUNTRY " + countryCode.toUpperCase(Locale.ROOT)); 625 else 626 return doBooleanCommand("DRIVER COUNTRY"); 627 } 628 629 public void enableBackgroundScan(boolean enable) { 630 if (enable) { 631 doBooleanCommand("SET pno 1"); 632 } else { 633 doBooleanCommand("SET pno 0"); 634 } 635 } 636 637 public void enableAutoConnect(boolean enable) { 638 if (enable) { 639 doBooleanCommand("STA_AUTOCONNECT 1"); 640 } else { 641 doBooleanCommand("STA_AUTOCONNECT 0"); 642 } 643 } 644 645 public void setScanInterval(int scanInterval) { 646 doBooleanCommand("SCAN_INTERVAL " + scanInterval); 647 } 648 649 public void startTdls(String macAddr, boolean enable) { 650 if (enable) { 651 doBooleanCommand("TDLS_DISCOVER " + macAddr); 652 doBooleanCommand("TDLS_SETUP " + macAddr); 653 } else { 654 doBooleanCommand("TDLS_TEARDOWN " + macAddr); 655 } 656 } 657 658 /** Example output: 659 * RSSI=-65 660 * LINKSPEED=48 661 * NOISE=9999 662 * FREQUENCY=0 663 */ 664 public String signalPoll() { 665 return doStringCommandWithoutLogging("SIGNAL_POLL"); 666 } 667 668 /** Example outout: 669 * TXGOOD=396 670 * TXBAD=1 671 */ 672 public String pktcntPoll() { 673 return doStringCommand("PKTCNT_POLL"); 674 } 675 676 public void bssFlush() { 677 doBooleanCommand("BSS_FLUSH 0"); 678 } 679 680 public boolean startWpsPbc(String bssid) { 681 if (TextUtils.isEmpty(bssid)) { 682 return doBooleanCommand("WPS_PBC"); 683 } else { 684 return doBooleanCommand("WPS_PBC " + bssid); 685 } 686 } 687 688 public boolean startWpsPbc(String iface, String bssid) { 689 synchronized (mLock) { 690 if (TextUtils.isEmpty(bssid)) { 691 return doBooleanCommandNative("IFNAME=" + iface + " WPS_PBC"); 692 } else { 693 return doBooleanCommandNative("IFNAME=" + iface + " WPS_PBC " + bssid); 694 } 695 } 696 } 697 698 public boolean startWpsPinKeypad(String pin) { 699 if (TextUtils.isEmpty(pin)) return false; 700 return doBooleanCommand("WPS_PIN any " + pin); 701 } 702 703 public boolean startWpsPinKeypad(String iface, String pin) { 704 if (TextUtils.isEmpty(pin)) return false; 705 synchronized (mLock) { 706 return doBooleanCommandNative("IFNAME=" + iface + " WPS_PIN any " + pin); 707 } 708 } 709 710 711 public String startWpsPinDisplay(String bssid) { 712 if (TextUtils.isEmpty(bssid)) { 713 return doStringCommand("WPS_PIN any"); 714 } else { 715 return doStringCommand("WPS_PIN " + bssid); 716 } 717 } 718 719 public String startWpsPinDisplay(String iface, String bssid) { 720 synchronized (mLock) { 721 if (TextUtils.isEmpty(bssid)) { 722 return doStringCommandNative("IFNAME=" + iface + " WPS_PIN any"); 723 } else { 724 return doStringCommandNative("IFNAME=" + iface + " WPS_PIN " + bssid); 725 } 726 } 727 } 728 729 public boolean setExternalSim(boolean external) { 730 synchronized (mLock) { 731 String value = external ? "1" : "0"; 732 Log.d(TAG, "Setting external_sim to " + value); 733 return doBooleanCommand("SET external_sim " + value); 734 } 735 } 736 737 public boolean simAuthResponse(int id, String type, String response) { 738 // with type = GSM-AUTH, UMTS-AUTH or UMTS-AUTS 739 synchronized (mLock) { 740 return doBooleanCommand("CTRL-RSP-SIM-" + id + ":" + type + response); 741 } 742 } 743 744 public boolean simIdentityResponse(int id, String response) { 745 synchronized (mLock) { 746 return doBooleanCommand("CTRL-RSP-IDENTITY-" + id + ":" + response); 747 } 748 } 749 750 /* Configures an access point connection */ 751 public boolean startWpsRegistrar(String bssid, String pin) { 752 if (TextUtils.isEmpty(bssid) || TextUtils.isEmpty(pin)) return false; 753 return doBooleanCommand("WPS_REG " + bssid + " " + pin); 754 } 755 756 public boolean cancelWps() { 757 return doBooleanCommand("WPS_CANCEL"); 758 } 759 760 public boolean setPersistentReconnect(boolean enabled) { 761 int value = (enabled == true) ? 1 : 0; 762 return doBooleanCommand("SET persistent_reconnect " + value); 763 } 764 765 public boolean setDeviceName(String name) { 766 return doBooleanCommand("SET device_name " + name); 767 } 768 769 public boolean setDeviceType(String type) { 770 return doBooleanCommand("SET device_type " + type); 771 } 772 773 public boolean setConfigMethods(String cfg) { 774 return doBooleanCommand("SET config_methods " + cfg); 775 } 776 777 public boolean setManufacturer(String value) { 778 return doBooleanCommand("SET manufacturer " + value); 779 } 780 781 public boolean setModelName(String value) { 782 return doBooleanCommand("SET model_name " + value); 783 } 784 785 public boolean setModelNumber(String value) { 786 return doBooleanCommand("SET model_number " + value); 787 } 788 789 public boolean setSerialNumber(String value) { 790 return doBooleanCommand("SET serial_number " + value); 791 } 792 793 public boolean setP2pSsidPostfix(String postfix) { 794 return doBooleanCommand("SET p2p_ssid_postfix " + postfix); 795 } 796 797 public boolean setP2pGroupIdle(String iface, int time) { 798 synchronized (mLock) { 799 return doBooleanCommandNative("IFNAME=" + iface + " SET p2p_group_idle " + time); 800 } 801 } 802 803 public void setPowerSave(boolean enabled) { 804 if (enabled) { 805 doBooleanCommand("SET ps 1"); 806 } else { 807 doBooleanCommand("SET ps 0"); 808 } 809 } 810 811 public boolean setP2pPowerSave(String iface, boolean enabled) { 812 synchronized (mLock) { 813 if (enabled) { 814 return doBooleanCommandNative("IFNAME=" + iface + " P2P_SET ps 1"); 815 } else { 816 return doBooleanCommandNative("IFNAME=" + iface + " P2P_SET ps 0"); 817 } 818 } 819 } 820 821 public boolean setWfdEnable(boolean enable) { 822 return doBooleanCommand("SET wifi_display " + (enable ? "1" : "0")); 823 } 824 825 public boolean setWfdDeviceInfo(String hex) { 826 return doBooleanCommand("WFD_SUBELEM_SET 0 " + hex); 827 } 828 829 /** 830 * "sta" prioritizes STA connection over P2P and "p2p" prioritizes 831 * P2P connection over STA 832 */ 833 public boolean setConcurrencyPriority(String s) { 834 return doBooleanCommand("P2P_SET conc_pref " + s); 835 } 836 837 public boolean p2pFind() { 838 return doBooleanCommand("P2P_FIND"); 839 } 840 841 public boolean p2pFind(int timeout) { 842 if (timeout <= 0) { 843 return p2pFind(); 844 } 845 return doBooleanCommand("P2P_FIND " + timeout); 846 } 847 848 public boolean p2pStopFind() { 849 return doBooleanCommand("P2P_STOP_FIND"); 850 } 851 852 public boolean p2pListen() { 853 return doBooleanCommand("P2P_LISTEN"); 854 } 855 856 public boolean p2pListen(int timeout) { 857 if (timeout <= 0) { 858 return p2pListen(); 859 } 860 return doBooleanCommand("P2P_LISTEN " + timeout); 861 } 862 863 public boolean p2pExtListen(boolean enable, int period, int interval) { 864 if (enable && interval < period) { 865 return false; 866 } 867 return doBooleanCommand("P2P_EXT_LISTEN" 868 + (enable ? (" " + period + " " + interval) : "")); 869 } 870 871 public boolean p2pSetChannel(int lc, int oc) { 872 if (DBG) Log.d(mTAG, "p2pSetChannel: lc="+lc+", oc="+oc); 873 874 if (lc >=1 && lc <= 11) { 875 if (!doBooleanCommand("P2P_SET listen_channel " + lc)) { 876 return false; 877 } 878 } else if (lc != 0) { 879 return false; 880 } 881 882 if (oc >= 1 && oc <= 165 ) { 883 int freq = (oc <= 14 ? 2407 : 5000) + oc * 5; 884 return doBooleanCommand("P2P_SET disallow_freq 1000-" 885 + (freq - 5) + "," + (freq + 5) + "-6000"); 886 } else if (oc == 0) { 887 /* oc==0 disables "P2P_SET disallow_freq" (enables all freqs) */ 888 return doBooleanCommand("P2P_SET disallow_freq \"\""); 889 } 890 891 return false; 892 } 893 894 public boolean p2pFlush() { 895 return doBooleanCommand("P2P_FLUSH"); 896 } 897 898 /* p2p_connect <peer device address> <pbc|pin|PIN#> [label|display|keypad] 899 [persistent] [join|auth] [go_intent=<0..15>] [freq=<in MHz>] */ 900 public String p2pConnect(WifiP2pConfig config, boolean joinExistingGroup) { 901 if (config == null) return null; 902 List<String> args = new ArrayList<String>(); 903 WpsInfo wps = config.wps; 904 args.add(config.deviceAddress); 905 906 switch (wps.setup) { 907 case WpsInfo.PBC: 908 args.add("pbc"); 909 break; 910 case WpsInfo.DISPLAY: 911 if (TextUtils.isEmpty(wps.pin)) { 912 args.add("pin"); 913 } else { 914 args.add(wps.pin); 915 } 916 args.add("display"); 917 break; 918 case WpsInfo.KEYPAD: 919 args.add(wps.pin); 920 args.add("keypad"); 921 break; 922 case WpsInfo.LABEL: 923 args.add(wps.pin); 924 args.add("label"); 925 default: 926 break; 927 } 928 929 if (config.netId == WifiP2pGroup.PERSISTENT_NET_ID) { 930 args.add("persistent"); 931 } 932 933 if (joinExistingGroup) { 934 args.add("join"); 935 } else { 936 //TODO: This can be adapted based on device plugged in state and 937 //device battery state 938 int groupOwnerIntent = config.groupOwnerIntent; 939 if (groupOwnerIntent < 0 || groupOwnerIntent > 15) { 940 groupOwnerIntent = DEFAULT_GROUP_OWNER_INTENT; 941 } 942 args.add("go_intent=" + groupOwnerIntent); 943 } 944 945 String command = "P2P_CONNECT "; 946 for (String s : args) command += s + " "; 947 948 return doStringCommand(command); 949 } 950 951 public boolean p2pCancelConnect() { 952 return doBooleanCommand("P2P_CANCEL"); 953 } 954 955 public boolean p2pProvisionDiscovery(WifiP2pConfig config) { 956 if (config == null) return false; 957 958 switch (config.wps.setup) { 959 case WpsInfo.PBC: 960 return doBooleanCommand("P2P_PROV_DISC " + config.deviceAddress + " pbc"); 961 case WpsInfo.DISPLAY: 962 //We are doing display, so provision discovery is keypad 963 return doBooleanCommand("P2P_PROV_DISC " + config.deviceAddress + " keypad"); 964 case WpsInfo.KEYPAD: 965 //We are doing keypad, so provision discovery is display 966 return doBooleanCommand("P2P_PROV_DISC " + config.deviceAddress + " display"); 967 default: 968 break; 969 } 970 return false; 971 } 972 973 public boolean p2pGroupAdd(boolean persistent) { 974 if (persistent) { 975 return doBooleanCommand("P2P_GROUP_ADD persistent"); 976 } 977 return doBooleanCommand("P2P_GROUP_ADD"); 978 } 979 980 public boolean p2pGroupAdd(int netId) { 981 return doBooleanCommand("P2P_GROUP_ADD persistent=" + netId); 982 } 983 984 public boolean p2pGroupRemove(String iface) { 985 if (TextUtils.isEmpty(iface)) return false; 986 synchronized (mLock) { 987 return doBooleanCommandNative("IFNAME=" + iface + " P2P_GROUP_REMOVE " + iface); 988 } 989 } 990 991 public boolean p2pReject(String deviceAddress) { 992 return doBooleanCommand("P2P_REJECT " + deviceAddress); 993 } 994 995 /* Invite a peer to a group */ 996 public boolean p2pInvite(WifiP2pGroup group, String deviceAddress) { 997 if (TextUtils.isEmpty(deviceAddress)) return false; 998 999 if (group == null) { 1000 return doBooleanCommand("P2P_INVITE peer=" + deviceAddress); 1001 } else { 1002 return doBooleanCommand("P2P_INVITE group=" + group.getInterface() 1003 + " peer=" + deviceAddress + " go_dev_addr=" + group.getOwner().deviceAddress); 1004 } 1005 } 1006 1007 /* Reinvoke a persistent connection */ 1008 public boolean p2pReinvoke(int netId, String deviceAddress) { 1009 if (TextUtils.isEmpty(deviceAddress) || netId < 0) return false; 1010 1011 return doBooleanCommand("P2P_INVITE persistent=" + netId + " peer=" + deviceAddress); 1012 } 1013 1014 public String p2pGetSsid(String deviceAddress) { 1015 return p2pGetParam(deviceAddress, "oper_ssid"); 1016 } 1017 1018 public String p2pGetDeviceAddress() { 1019 1020 Log.d(TAG, "p2pGetDeviceAddress"); 1021 1022 String status = null; 1023 1024 /* Explicitly calling the API without IFNAME= prefix to take care of the devices that 1025 don't have p2p0 interface. Supplicant seems to be returning the correct address anyway. */ 1026 1027 synchronized (mLock) { 1028 status = doStringCommandNative("STATUS"); 1029 } 1030 1031 String result = ""; 1032 if (status != null) { 1033 String[] tokens = status.split("\n"); 1034 for (String token : tokens) { 1035 if (token.startsWith("p2p_device_address=")) { 1036 String[] nameValue = token.split("="); 1037 if (nameValue.length != 2) 1038 break; 1039 result = nameValue[1]; 1040 } 1041 } 1042 } 1043 1044 Log.d(TAG, "p2pGetDeviceAddress returning " + result); 1045 return result; 1046 } 1047 1048 public int getGroupCapability(String deviceAddress) { 1049 int gc = 0; 1050 if (TextUtils.isEmpty(deviceAddress)) return gc; 1051 String peerInfo = p2pPeer(deviceAddress); 1052 if (TextUtils.isEmpty(peerInfo)) return gc; 1053 1054 String[] tokens = peerInfo.split("\n"); 1055 for (String token : tokens) { 1056 if (token.startsWith("group_capab=")) { 1057 String[] nameValue = token.split("="); 1058 if (nameValue.length != 2) break; 1059 try { 1060 return Integer.decode(nameValue[1]); 1061 } catch(NumberFormatException e) { 1062 return gc; 1063 } 1064 } 1065 } 1066 return gc; 1067 } 1068 1069 public String p2pPeer(String deviceAddress) { 1070 return doStringCommand("P2P_PEER " + deviceAddress); 1071 } 1072 1073 private String p2pGetParam(String deviceAddress, String key) { 1074 if (deviceAddress == null) return null; 1075 1076 String peerInfo = p2pPeer(deviceAddress); 1077 if (peerInfo == null) return null; 1078 String[] tokens= peerInfo.split("\n"); 1079 1080 key += "="; 1081 for (String token : tokens) { 1082 if (token.startsWith(key)) { 1083 String[] nameValue = token.split("="); 1084 if (nameValue.length != 2) break; 1085 return nameValue[1]; 1086 } 1087 } 1088 return null; 1089 } 1090 1091 public boolean p2pServiceAdd(WifiP2pServiceInfo servInfo) { 1092 /* 1093 * P2P_SERVICE_ADD bonjour <query hexdump> <RDATA hexdump> 1094 * P2P_SERVICE_ADD upnp <version hex> <service> 1095 * 1096 * e.g) 1097 * [Bonjour] 1098 * # IP Printing over TCP (PTR) (RDATA=MyPrinter._ipp._tcp.local.) 1099 * P2P_SERVICE_ADD bonjour 045f697070c00c000c01 094d795072696e746572c027 1100 * # IP Printing over TCP (TXT) (RDATA=txtvers=1,pdl=application/postscript) 1101 * P2P_SERVICE_ADD bonjour 096d797072696e746572045f697070c00c001001 1102 * 09747874766572733d311a70646c3d6170706c69636174696f6e2f706f7374736372797074 1103 * 1104 * [UPnP] 1105 * P2P_SERVICE_ADD upnp 10 uuid:6859dede-8574-59ab-9332-123456789012 1106 * P2P_SERVICE_ADD upnp 10 uuid:6859dede-8574-59ab-9332-123456789012::upnp:rootdevice 1107 * P2P_SERVICE_ADD upnp 10 uuid:6859dede-8574-59ab-9332-123456789012::urn:schemas-upnp 1108 * -org:device:InternetGatewayDevice:1 1109 * P2P_SERVICE_ADD upnp 10 uuid:6859dede-8574-59ab-9322-123456789012::urn:schemas-upnp 1110 * -org:service:ContentDirectory:2 1111 */ 1112 for (String s : servInfo.getSupplicantQueryList()) { 1113 String command = "P2P_SERVICE_ADD"; 1114 command += (" " + s); 1115 if (!doBooleanCommand(command)) { 1116 return false; 1117 } 1118 } 1119 return true; 1120 } 1121 1122 public boolean p2pServiceDel(WifiP2pServiceInfo servInfo) { 1123 /* 1124 * P2P_SERVICE_DEL bonjour <query hexdump> 1125 * P2P_SERVICE_DEL upnp <version hex> <service> 1126 */ 1127 for (String s : servInfo.getSupplicantQueryList()) { 1128 String command = "P2P_SERVICE_DEL "; 1129 1130 String[] data = s.split(" "); 1131 if (data.length < 2) { 1132 return false; 1133 } 1134 if ("upnp".equals(data[0])) { 1135 command += s; 1136 } else if ("bonjour".equals(data[0])) { 1137 command += data[0]; 1138 command += (" " + data[1]); 1139 } else { 1140 return false; 1141 } 1142 if (!doBooleanCommand(command)) { 1143 return false; 1144 } 1145 } 1146 return true; 1147 } 1148 1149 public boolean p2pServiceFlush() { 1150 return doBooleanCommand("P2P_SERVICE_FLUSH"); 1151 } 1152 1153 public String p2pServDiscReq(String addr, String query) { 1154 String command = "P2P_SERV_DISC_REQ"; 1155 command += (" " + addr); 1156 command += (" " + query); 1157 1158 return doStringCommand(command); 1159 } 1160 1161 public boolean p2pServDiscCancelReq(String id) { 1162 return doBooleanCommand("P2P_SERV_DISC_CANCEL_REQ " + id); 1163 } 1164 1165 /* Set the current mode of miracast operation. 1166 * 0 = disabled 1167 * 1 = operating as source 1168 * 2 = operating as sink 1169 */ 1170 public void setMiracastMode(int mode) { 1171 // Note: optional feature on the driver. It is ok for this to fail. 1172 doBooleanCommand("DRIVER MIRACAST " + mode); 1173 } 1174 1175 public boolean fetchAnqp(String bssid, String subtypes) { 1176 return doBooleanCommand("ANQP_GET " + bssid + " " + subtypes); 1177 } 1178 1179 /* WIFI HAL support */ 1180 1181 private static final String TAG = "WifiNative-HAL"; 1182 private static long sWifiHalHandle = 0; /* used by JNI to save wifi_handle */ 1183 private static long[] sWifiIfaceHandles = null; /* used by JNI to save interface handles */ 1184 private static int sWlan0Index = -1; 1185 private static int sP2p0Index = -1; 1186 1187 private static boolean sHalIsStarted = false; 1188 private static boolean sHalFailed = false; 1189 1190 private static native boolean startHalNative(); 1191 private static native void stopHalNative(); 1192 private static native void waitForHalEventNative(); 1193 1194 private static class MonitorThread extends Thread { 1195 public void run() { 1196 Log.i(TAG, "Waiting for HAL events mWifiHalHandle=" + Long.toString(sWifiHalHandle)); 1197 waitForHalEventNative(); 1198 } 1199 } 1200 1201 synchronized public static boolean startHal() { 1202 Log.i(TAG, "startHal" 1203 + " stack:" + Thread.currentThread().getStackTrace()[2].getMethodName() 1204 + " - " + Thread.currentThread().getStackTrace()[3].getMethodName() 1205 + " - " + Thread.currentThread().getStackTrace()[4].getMethodName() 1206 + " - " + Thread.currentThread().getStackTrace()[5].getMethodName() 1207 + " - " + Thread.currentThread().getStackTrace()[6].getMethodName() 1208 + " - " + Thread.currentThread().getStackTrace()[7].getMethodName()); 1209 synchronized (mLock) { 1210 if (sHalFailed) 1211 return false; 1212 if (startHalNative() && (getInterfaces() != 0) && (sWlan0Index != -1)) { 1213 new MonitorThread().start(); 1214 sHalIsStarted = true; 1215 return true; 1216 } else { 1217 Log.i(TAG, "Could not start hal"); 1218 sHalIsStarted = false; 1219 sHalFailed = true; 1220 return false; 1221 } 1222 } 1223 } 1224 1225 synchronized public static void stopHal() { 1226 stopHalNative(); 1227 } 1228 1229 private static native int getInterfacesNative(); 1230 1231 synchronized public static int getInterfaces() { 1232 synchronized (mLock) { 1233 if (sWifiIfaceHandles == null) { 1234 int num = getInterfacesNative(); 1235 int wifi_num = 0; 1236 for (int i = 0; i < num; i++) { 1237 String name = getInterfaceNameNative(i); 1238 Log.i(TAG, "interface[" + i + "] = " + name); 1239 if (name.equals("wlan0")) { 1240 sWlan0Index = i; 1241 wifi_num++; 1242 } else if (name.equals("p2p0")) { 1243 sP2p0Index = i; 1244 wifi_num++; 1245 } 1246 } 1247 return wifi_num; 1248 } else { 1249 return sWifiIfaceHandles.length; 1250 } 1251 } 1252 } 1253 1254 private static native String getInterfaceNameNative(int index); 1255 synchronized public static String getInterfaceName(int index) { 1256 return getInterfaceNameNative(index); 1257 } 1258 1259 public static class ScanCapabilities { 1260 public int max_scan_cache_size; // in number of scan results?? 1261 public int max_scan_buckets; 1262 public int max_ap_cache_per_scan; 1263 public int max_rssi_sample_size; 1264 public int max_scan_reporting_threshold; // in number of scan results?? 1265 public int max_hotlist_bssids; 1266 public int max_significant_wifi_change_aps; 1267 } 1268 1269 public static boolean getScanCapabilities(ScanCapabilities capabilities) { 1270 return getScanCapabilitiesNative(sWlan0Index, capabilities); 1271 } 1272 1273 private static native boolean getScanCapabilitiesNative( 1274 int iface, ScanCapabilities capabilities); 1275 1276 private static native boolean startScanNative(int iface, int id, ScanSettings settings); 1277 private static native boolean stopScanNative(int iface, int id); 1278 private static native WifiScanner.ScanData[] getScanResultsNative(int iface, boolean flush); 1279 private static native WifiLinkLayerStats getWifiLinkLayerStatsNative(int iface); 1280 1281 public static class ChannelSettings { 1282 int frequency; 1283 int dwell_time_ms; 1284 boolean passive; 1285 } 1286 1287 public static class BucketSettings { 1288 int bucket; 1289 int band; 1290 int period_ms; 1291 int report_events; 1292 int num_channels; 1293 ChannelSettings channels[]; 1294 } 1295 1296 public static class ScanSettings { 1297 int base_period_ms; 1298 int max_ap_per_scan; 1299 int report_threshold_percent; 1300 int report_threshold_num_scans; 1301 int num_buckets; 1302 BucketSettings buckets[]; 1303 } 1304 1305 public static interface ScanEventHandler { 1306 void onScanResultsAvailable(); 1307 void onFullScanResult(ScanResult fullScanResult); 1308 void onScanStatus(); 1309 void onScanPaused(WifiScanner.ScanData[] data); 1310 void onScanRestarted(); 1311 } 1312 1313 synchronized static void onScanResultsAvailable(int id) { 1314 if (sScanEventHandler != null) { 1315 sScanEventHandler.onScanResultsAvailable(); 1316 } 1317 } 1318 1319 /* scan status, keep these values in sync with gscan.h */ 1320 private static int WIFI_SCAN_BUFFER_FULL = 0; 1321 private static int WIFI_SCAN_COMPLETE = 1; 1322 1323 synchronized static void onScanStatus(int status) { 1324 Log.i(TAG, "Got a scan status changed event, status = " + status); 1325 1326 if (status == WIFI_SCAN_BUFFER_FULL) { 1327 /* we have a separate event to take care of this */ 1328 } else if (status == WIFI_SCAN_COMPLETE) { 1329 if (sScanEventHandler != null) { 1330 sScanEventHandler.onScanStatus(); 1331 } 1332 } 1333 } 1334 1335 static void populateScanResult(ScanResult result, byte bytes[], String dbg) { 1336 int num = 0; 1337 if (bytes == null) return; 1338 if (dbg == null) dbg = ""; 1339 for (int i = 0; i < bytes.length; ) { 1340 int type = bytes[i] & 0xFF; 1341 int len = bytes[i + 1] & 0xFF; 1342 1343 if (i + len + 2 > bytes.length) { 1344 Log.w(TAG, dbg + "bad length " + len + " of IE " + type + " from " + result.BSSID); 1345 Log.w(TAG, dbg + "ignoring the rest of the IEs"); 1346 break; 1347 } 1348 num++; 1349 i += len + 2; 1350 if (DBG) Log.i(TAG, dbg + "bytes[" + i + "] = [" + type + ", " + len + "]" + ", " + 1351 "next = " + i); 1352 } 1353 1354 int secondChanelOffset = 0; 1355 byte channelMode = 0; 1356 byte centerFreqIndex1 = 0; 1357 byte centerFreqIndex2 = 0; 1358 result.is80211McRTTResponder = false; 1359 1360 ScanResult.InformationElement elements[] = new ScanResult.InformationElement[num]; 1361 for (int i = 0, index = 0; i < num; i++) { 1362 int type = bytes[index] & 0xFF; 1363 int len = bytes[index + 1] & 0xFF; 1364 if (DBG) Log.i(TAG, dbg + "index = " + index + ", type = " + type + ", len = " + len); 1365 ScanResult.InformationElement elem = new ScanResult.InformationElement(); 1366 elem.id = type; 1367 elem.bytes = new byte[len]; 1368 for (int j = 0; j < len; j++) { 1369 elem.bytes[j] = bytes[index + j + 2]; 1370 } 1371 elements[i] = elem; 1372 int inforStart = index + 2; 1373 index += (len + 2); 1374 1375 if(type == EID_HT_OPERATION) { 1376 secondChanelOffset = bytes[inforStart + 1] & 0x3; 1377 } else if(type == EID_VHT_OPERATION) { 1378 channelMode = bytes[inforStart]; 1379 centerFreqIndex1 = bytes[inforStart + 1]; 1380 centerFreqIndex2 = bytes[inforStart + 2]; 1381 } else if (type == EID_EXTENDED_CAPS) { 1382 int tempIndex = RTT_RESP_ENABLE_BIT / 8; 1383 byte offset = RTT_RESP_ENABLE_BIT % 8; 1384 1385 if(len < tempIndex + 1) { 1386 result.is80211McRTTResponder = false; 1387 } else { 1388 if ((bytes[inforStart + tempIndex] & ((byte)0x1 << offset)) != 0) { 1389 result.is80211McRTTResponder = true; 1390 } else { 1391 result.is80211McRTTResponder = false; 1392 } 1393 } 1394 } 1395 } 1396 //handle RTT related information 1397 if (channelMode != 0) { 1398 // 80 or 160 MHz 1399 result.channelWidth = channelMode + 1; 1400 1401 //convert channel index to frequency in MHz, channel 36 is 5180MHz 1402 result.centerFreq0 = (centerFreqIndex1 - 36) * 5 + 5180; 1403 1404 if(channelMode > 1) { //160MHz 1405 result.centerFreq1 = (centerFreqIndex2 - 36) * 5 + 5180; 1406 } else { 1407 result.centerFreq1 = 0; 1408 } 1409 } else { 1410 //20 or 40 MHz 1411 if (secondChanelOffset != 0) {//40MHz 1412 result.channelWidth = 1; 1413 if (secondChanelOffset == 1) { 1414 result.centerFreq0 = result.frequency + 20; 1415 } else if (secondChanelOffset == 3) { 1416 result.centerFreq0 = result.frequency - 20; 1417 } else { 1418 result.centerFreq0 = 0; 1419 Log.e(TAG, dbg + ": Error on secondChanelOffset"); 1420 } 1421 } else { 1422 result.centerFreq0 = 0; 1423 result.centerFreq1 = 0; 1424 } 1425 result.centerFreq1 = 0; 1426 } 1427 if(DBG) { 1428 Log.d(TAG, dbg + "SSID: " + result.SSID + " ChannelWidth is: " + result.channelWidth + 1429 " PrimaryFreq: " + result.frequency +" mCenterfreq0: " + result.centerFreq0 + 1430 " mCenterfreq1: " + result.centerFreq1 + (result.is80211McRTTResponder ? 1431 "Support RTT reponder: " : "Do not support RTT responder")); 1432 } 1433 1434 result.informationElements = elements; 1435 } 1436 1437 synchronized static void onFullScanResult(int id, ScanResult result, byte bytes[]) { 1438 if (DBG) Log.i(TAG, "Got a full scan results event, ssid = " + result.SSID + ", " + 1439 "num = " + bytes.length); 1440 1441 if (sScanEventHandler == null) { 1442 return; 1443 } 1444 populateScanResult(result, bytes, " onFullScanResult "); 1445 1446 sScanEventHandler.onFullScanResult(result); 1447 } 1448 1449 private static int sScanCmdId = 0; 1450 private static ScanEventHandler sScanEventHandler; 1451 private static ScanSettings sScanSettings; 1452 1453 synchronized public static boolean startScan( 1454 ScanSettings settings, ScanEventHandler eventHandler) { 1455 synchronized (mLock) { 1456 1457 if (sScanCmdId != 0) { 1458 stopScan(); 1459 } else if (sScanSettings != null || sScanEventHandler != null) { 1460 /* current scan is paused; no need to stop it */ 1461 } 1462 1463 sScanCmdId = getNewCmdIdLocked(); 1464 1465 sScanSettings = settings; 1466 sScanEventHandler = eventHandler; 1467 1468 if (startScanNative(sWlan0Index, sScanCmdId, settings) == false) { 1469 sScanEventHandler = null; 1470 sScanSettings = null; 1471 sScanCmdId = 0; 1472 return false; 1473 } 1474 1475 return true; 1476 } 1477 } 1478 1479 synchronized public static void stopScan() { 1480 synchronized (mLock) { 1481 stopScanNative(sWlan0Index, sScanCmdId); 1482 sScanSettings = null; 1483 sScanEventHandler = null; 1484 sScanCmdId = 0; 1485 } 1486 } 1487 1488 synchronized public static void pauseScan() { 1489 synchronized (mLock) { 1490 if (sScanCmdId != 0 && sScanSettings != null && sScanEventHandler != null) { 1491 Log.d(TAG, "Pausing scan"); 1492 WifiScanner.ScanData scanData[] = getScanResultsNative(sWlan0Index, true); 1493 stopScanNative(sWlan0Index, sScanCmdId); 1494 sScanCmdId = 0; 1495 sScanEventHandler.onScanPaused(scanData); 1496 } 1497 } 1498 } 1499 1500 synchronized public static void restartScan() { 1501 synchronized (mLock) { 1502 if (sScanCmdId == 0 && sScanSettings != null && sScanEventHandler != null) { 1503 Log.d(TAG, "Restarting scan"); 1504 ScanEventHandler handler = sScanEventHandler; 1505 ScanSettings settings = sScanSettings; 1506 if (startScan(sScanSettings, sScanEventHandler)) { 1507 sScanEventHandler.onScanRestarted(); 1508 } else { 1509 /* we are still paused; don't change state */ 1510 sScanEventHandler = handler; 1511 sScanSettings = settings; 1512 } 1513 } 1514 } 1515 } 1516 1517 synchronized public static WifiScanner.ScanData[] getScanResults(boolean flush) { 1518 synchronized (mLock) { 1519 return getScanResultsNative(sWlan0Index, flush); 1520 } 1521 } 1522 1523 public static interface HotlistEventHandler { 1524 void onHotlistApFound (ScanResult[] result); 1525 void onHotlistApLost (ScanResult[] result); 1526 } 1527 1528 private static int sHotlistCmdId = 0; 1529 private static HotlistEventHandler sHotlistEventHandler; 1530 1531 private native static boolean setHotlistNative(int iface, int id, 1532 WifiScanner.HotlistSettings settings); 1533 private native static boolean resetHotlistNative(int iface, int id); 1534 1535 synchronized public static boolean setHotlist(WifiScanner.HotlistSettings settings, 1536 HotlistEventHandler eventHandler) { 1537 synchronized (mLock) { 1538 if (sHotlistCmdId != 0) { 1539 return false; 1540 } else { 1541 sHotlistCmdId = getNewCmdIdLocked(); 1542 } 1543 1544 sHotlistEventHandler = eventHandler; 1545 if (setHotlistNative(sWlan0Index, sScanCmdId, settings) == false) { 1546 sHotlistEventHandler = null; 1547 return false; 1548 } 1549 1550 return true; 1551 } 1552 } 1553 1554 synchronized public static void resetHotlist() { 1555 synchronized (mLock) { 1556 if (sHotlistCmdId != 0) { 1557 resetHotlistNative(sWlan0Index, sHotlistCmdId); 1558 sHotlistCmdId = 0; 1559 sHotlistEventHandler = null; 1560 } 1561 } 1562 } 1563 1564 synchronized public static void onHotlistApFound(int id, ScanResult[] results) { 1565 synchronized (mLock) { 1566 if (sHotlistCmdId != 0) { 1567 sHotlistEventHandler.onHotlistApFound(results); 1568 } else { 1569 /* this can happen because of race conditions */ 1570 Log.d(TAG, "Ignoring hotlist AP found event"); 1571 } 1572 } 1573 } 1574 1575 synchronized public static void onHotlistApLost(int id, ScanResult[] results) { 1576 synchronized (mLock) { 1577 if (sHotlistCmdId != 0) { 1578 sHotlistEventHandler.onHotlistApLost(results); 1579 } else { 1580 /* this can happen because of race conditions */ 1581 Log.d(TAG, "Ignoring hotlist AP lost event"); 1582 } 1583 } 1584 } 1585 1586 public static interface SignificantWifiChangeEventHandler { 1587 void onChangesFound(ScanResult[] result); 1588 } 1589 1590 private static SignificantWifiChangeEventHandler sSignificantWifiChangeHandler; 1591 private static int sSignificantWifiChangeCmdId; 1592 1593 private static native boolean trackSignificantWifiChangeNative( 1594 int iface, int id, WifiScanner.WifiChangeSettings settings); 1595 private static native boolean untrackSignificantWifiChangeNative(int iface, int id); 1596 1597 synchronized public static boolean trackSignificantWifiChange( 1598 WifiScanner.WifiChangeSettings settings, SignificantWifiChangeEventHandler handler) { 1599 synchronized (mLock) { 1600 if (sSignificantWifiChangeCmdId != 0) { 1601 return false; 1602 } else { 1603 sSignificantWifiChangeCmdId = getNewCmdIdLocked(); 1604 } 1605 1606 sSignificantWifiChangeHandler = handler; 1607 if (trackSignificantWifiChangeNative(sWlan0Index, sScanCmdId, settings) == false) { 1608 sSignificantWifiChangeHandler = null; 1609 return false; 1610 } 1611 1612 return true; 1613 } 1614 } 1615 1616 synchronized static void untrackSignificantWifiChange() { 1617 synchronized (mLock) { 1618 if (sSignificantWifiChangeCmdId != 0) { 1619 untrackSignificantWifiChangeNative(sWlan0Index, sSignificantWifiChangeCmdId); 1620 sSignificantWifiChangeCmdId = 0; 1621 sSignificantWifiChangeHandler = null; 1622 } 1623 } 1624 } 1625 1626 synchronized static void onSignificantWifiChange(int id, ScanResult[] results) { 1627 synchronized (mLock) { 1628 if (sSignificantWifiChangeCmdId != 0) { 1629 sSignificantWifiChangeHandler.onChangesFound(results); 1630 } else { 1631 /* this can happen because of race conditions */ 1632 Log.d(TAG, "Ignoring significant wifi change"); 1633 } 1634 } 1635 } 1636 1637 synchronized public static WifiLinkLayerStats getWifiLinkLayerStats(String iface) { 1638 // TODO: use correct iface name to Index translation 1639 if (iface == null) return null; 1640 synchronized (mLock) { 1641 if (!sHalIsStarted) 1642 startHal(); 1643 if (sHalIsStarted) 1644 return getWifiLinkLayerStatsNative(sWlan0Index); 1645 } 1646 return null; 1647 } 1648 1649 /* 1650 * NFC-related calls 1651 */ 1652 public String getNfcWpsConfigurationToken(int netId) { 1653 return doStringCommand("WPS_NFC_CONFIG_TOKEN WPS " + netId); 1654 } 1655 1656 public String getNfcHandoverRequest() { 1657 return doStringCommand("NFC_GET_HANDOVER_REQ NDEF P2P-CR"); 1658 } 1659 1660 public String getNfcHandoverSelect() { 1661 return doStringCommand("NFC_GET_HANDOVER_SEL NDEF P2P-CR"); 1662 } 1663 1664 public boolean initiatorReportNfcHandover(String selectMessage) { 1665 return doBooleanCommand("NFC_REPORT_HANDOVER INIT P2P 00 " + selectMessage); 1666 } 1667 1668 public boolean responderReportNfcHandover(String requestMessage) { 1669 return doBooleanCommand("NFC_REPORT_HANDOVER RESP P2P " + requestMessage + " 00"); 1670 } 1671 1672 public static native int getSupportedFeatureSetNative(int iface); 1673 synchronized public static int getSupportedFeatureSet() { 1674 return getSupportedFeatureSetNative(sWlan0Index); 1675 } 1676 1677 /* Rtt related commands/events */ 1678 public static interface RttEventHandler { 1679 void onRttResults(RttManager.RttResult[] result); 1680 } 1681 1682 private static RttEventHandler sRttEventHandler; 1683 private static int sRttCmdId; 1684 1685 synchronized private static void onRttResults(int id, RttManager.RttResult[] results) { 1686 if (id == sRttCmdId) { 1687 Log.d(TAG, "Received " + results.length + " rtt results"); 1688 sRttEventHandler.onRttResults(results); 1689 sRttCmdId = 0; 1690 } else { 1691 Log.d(TAG, "Received event for unknown cmd = " + id + ", current id = " + sRttCmdId); 1692 } 1693 } 1694 1695 private static native boolean requestRangeNative( 1696 int iface, int id, RttManager.RttParams[] params); 1697 private static native boolean cancelRangeRequestNative( 1698 int iface, int id, RttManager.RttParams[] params); 1699 1700 synchronized public static boolean requestRtt( 1701 RttManager.RttParams[] params, RttEventHandler handler) { 1702 synchronized (mLock) { 1703 if (sRttCmdId != 0) { 1704 return false; 1705 } else { 1706 sRttCmdId = getNewCmdIdLocked(); 1707 } 1708 sRttEventHandler = handler; 1709 return requestRangeNative(sWlan0Index, sRttCmdId, params); 1710 } 1711 } 1712 1713 synchronized public static boolean cancelRtt(RttManager.RttParams[] params) { 1714 synchronized(mLock) { 1715 if (sRttCmdId == 0) { 1716 return false; 1717 } 1718 1719 if (cancelRangeRequestNative(sWlan0Index, sRttCmdId, params)) { 1720 sRttEventHandler = null; 1721 return true; 1722 } else { 1723 return false; 1724 } 1725 } 1726 } 1727 1728 private static native boolean setScanningMacOuiNative(int iface, byte[] oui); 1729 1730 synchronized public static boolean setScanningMacOui(byte[] oui) { 1731 synchronized (mLock) { 1732 if (startHal()) { 1733 return setScanningMacOuiNative(sWlan0Index, oui); 1734 } else { 1735 return false; 1736 } 1737 } 1738 } 1739 1740 private static native int[] getChannelsForBandNative( 1741 int iface, int band); 1742 1743 synchronized public static int [] getChannelsForBand(int band) { 1744 synchronized (mLock) { 1745 if (startHal()) { 1746 return getChannelsForBandNative(sWlan0Index, band); 1747 } else { 1748 return null; 1749 } 1750 } 1751 } 1752 1753 1754 private static native boolean setDfsFlagNative(int iface, boolean dfsOn); 1755 synchronized public static boolean setDfsFlag(boolean dfsOn) { 1756 synchronized (mLock) { 1757 if (startHal()) { 1758 return setDfsFlagNative(sWlan0Index, dfsOn); 1759 } else { 1760 return false; 1761 } 1762 } 1763 } 1764 1765 private static native boolean toggleInterfaceNative(int on); 1766 synchronized public static boolean toggleInterface(int on) { 1767 synchronized (mLock) { 1768 if (startHal()) { 1769 return toggleInterfaceNative(0); 1770 } else { 1771 1772 return false; 1773 } 1774 } 1775 } 1776 1777 private static native RttManager.RttCapabilities getRttCapabilitiesNative(int iface); 1778 synchronized public static RttManager.RttCapabilities getRttCapabilities() { 1779 synchronized (mLock) { 1780 if (startHal()) { 1781 return getRttCapabilitiesNative(sWlan0Index); 1782 } else { 1783 return null; 1784 } 1785 } 1786 } 1787 1788 private static native boolean setCountryCodeHalNative(int iface, String CountryCode); 1789 synchronized public static boolean setCountryCodeHal( String CountryCode) { 1790 synchronized (mLock) { 1791 if (startHal()) { 1792 return setCountryCodeHalNative(sWlan0Index, CountryCode); 1793 } else { 1794 return false; 1795 } 1796 } 1797 } 1798 1799 //--------------------------------------------------------------------------------- 1800 1801 /* Wifi Logger commands/events */ 1802 1803 private static native boolean startLogging(int iface); 1804 1805 public static interface WifiLoggerEventHandler { 1806 void onDataAvailable(char data[], int len); 1807 } 1808 1809 private static WifiLoggerEventHandler sWifiLoggerEventHandler = null; 1810 1811 synchronized private static void onDataAvailable(char data[], int len) { 1812 if (sWifiLoggerEventHandler != null) { 1813 sWifiLoggerEventHandler.onDataAvailable(data, len); 1814 } 1815 } 1816 1817 //--------------------------------------------------------------------------------- 1818 /* Configure ePNO */ 1819 1820 public class WifiPnoNetwork { 1821 String SSID; 1822 int rssi_threshold; 1823 int flags; 1824 int auth; 1825 String configKey; // kept for reference 1826 1827 WifiPnoNetwork(WifiConfiguration config, int threshold) { 1828 if (config.SSID == null) { 1829 this.SSID = ""; 1830 this.flags = 1; 1831 } else { 1832 this.SSID = config.SSID; 1833 } 1834 this.rssi_threshold = threshold; 1835 if (config.allowedKeyManagement.get(WifiConfiguration.KeyMgmt.WPA_PSK)) { 1836 auth |= 2; 1837 } else if (config.allowedKeyManagement.get(WifiConfiguration.KeyMgmt.WPA_EAP) || 1838 config.allowedKeyManagement.get(WifiConfiguration.KeyMgmt.IEEE8021X)) { 1839 auth |= 4; 1840 } else if (config.wepKeys[0] != null) { 1841 auth |= 1; 1842 } else { 1843 auth |= 1; 1844 } 1845// auth = 0; 1846 flags |= 6; //A and G 1847 configKey = config.configKey(); 1848 } 1849 1850 @Override 1851 public String toString() { 1852 StringBuilder sbuf = new StringBuilder(); 1853 sbuf.append(this.SSID); 1854 sbuf.append(" flags=").append(this.flags); 1855 sbuf.append(" rssi=").append(this.rssi_threshold); 1856 sbuf.append(" auth=").append(this.auth); 1857 return sbuf.toString(); 1858 } 1859 } 1860 1861 public static interface WifiPnoEventHandler { 1862 void onPnoNetworkFound(ScanResult results[]); 1863 } 1864 1865 private static WifiPnoEventHandler sWifiPnoEventHandler; 1866 1867 private static int sPnoCmdId = 0; 1868 1869 private native static boolean setPnoListNative(int iface, int id, WifiPnoNetwork list[]); 1870 1871 synchronized public static boolean setPnoList(WifiPnoNetwork list[], 1872 WifiPnoEventHandler eventHandler) { 1873 Log.e(TAG, "setPnoList cmd " + sPnoCmdId); 1874 1875 synchronized (mLock) { 1876 1877 sPnoCmdId = getNewCmdIdLocked(); 1878 1879 sWifiPnoEventHandler = eventHandler; 1880 if (setPnoListNative(sWlan0Index, sPnoCmdId, list) == false) { 1881 sWifiPnoEventHandler = null; 1882 return false; 1883 } 1884 1885 return true; 1886 } 1887 } 1888 1889 synchronized public static void onPnoNetworkFound(int id, ScanResult[] results) { 1890 1891 if (results == null) { 1892 Log.e(TAG, "onPnoNetworkFound null results"); 1893 return; 1894 1895 } 1896 Log.d(TAG, "WifiNative.onPnoNetworkFound result " + results.length); 1897 1898 //Log.e(TAG, "onPnoNetworkFound length " + results.length); 1899 //return; 1900 for (int i=0; i<results.length; i++) { 1901 Log.e(TAG, "onPnoNetworkFound SSID " + results[i].SSID 1902 + " " + results[i].level + " " + results[i].frequency); 1903 1904 populateScanResult(results[i], results[i].bytes, "onPnoNetworkFound "); 1905 results[i].wifiSsid = WifiSsid.createFromAsciiEncoded(results[i].SSID); 1906 } 1907 synchronized (mLock) { 1908 if (sPnoCmdId != 0 && sWifiPnoEventHandler != null) { 1909 sWifiPnoEventHandler.onPnoNetworkFound(results); 1910 } else { 1911 /* this can happen because of race conditions */ 1912 Log.d(TAG, "Ignoring Pno Network found event"); 1913 } 1914 } 1915} 1916 1917} 1918