com_android_server_wifi_WifiNative.cpp revision 6a95e83c7e411a21cf6f6d912ab8498d2de858c9
1/* 2 * Copyright 2008, The Android Open Source Project 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); 5 * you may not use this file except in compliance with the License. 6 * You may obtain a copy of the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License. 15 */ 16 17#define LOG_TAG "wifi" 18 19#include "jni.h" 20#include <ScopedUtfChars.h> 21#include <utils/misc.h> 22#include <android_runtime/AndroidRuntime.h> 23#include <utils/Log.h> 24#include <utils/String16.h> 25#include <ctype.h> 26#include <sys/socket.h> 27#include <linux/if.h> 28#include "wifi.h" 29#include "wifi_hal.h" 30#include "jni_helper.h" 31#include "rtt.h" 32#include "wifi_hal_stub.h" 33#define REPLY_BUF_SIZE 4096 // wpa_supplicant's maximum size. 34#define EVENT_BUF_SIZE 2048 35 36namespace android { 37 38static jint DBG = false; 39 40//Please put all HAL function call here and call from the function table instead of directly call 41static wifi_hal_fn hal_fn; 42int init_wifi_hal_func_table(wifi_hal_fn *hal_fn) { 43 if (hal_fn == NULL) { 44 return -1; 45 } 46 hal_fn->wifi_initialize = wifi_initialize_stub; 47 hal_fn->wifi_cleanup = wifi_cleanup_stub; 48 hal_fn->wifi_event_loop = wifi_event_loop_stub; 49 hal_fn->wifi_get_error_info = wifi_get_error_info_stub; 50 hal_fn->wifi_get_supported_feature_set = wifi_get_supported_feature_set_stub; 51 hal_fn->wifi_get_concurrency_matrix = wifi_get_concurrency_matrix_stub; 52 hal_fn->wifi_set_scanning_mac_oui = wifi_set_scanning_mac_oui_stub; 53 hal_fn->wifi_get_supported_channels = wifi_get_supported_channels_stub; 54 hal_fn->wifi_is_epr_supported = wifi_is_epr_supported_stub; 55 hal_fn->wifi_get_ifaces = wifi_get_ifaces_stub; 56 hal_fn->wifi_get_iface_name = wifi_get_iface_name_stub; 57 hal_fn->wifi_reset_iface_event_handler = wifi_reset_iface_event_handler_stub; 58 hal_fn->wifi_start_gscan = wifi_start_gscan_stub; 59 hal_fn->wifi_stop_gscan = wifi_stop_gscan_stub; 60 hal_fn->wifi_get_cached_gscan_results = wifi_get_cached_gscan_results_stub; 61 hal_fn->wifi_set_bssid_hotlist = wifi_set_bssid_hotlist_stub; 62 hal_fn->wifi_reset_bssid_hotlist = wifi_reset_bssid_hotlist_stub; 63 hal_fn->wifi_set_significant_change_handler = wifi_set_significant_change_handler_stub; 64 hal_fn->wifi_reset_significant_change_handler = wifi_reset_significant_change_handler_stub; 65 hal_fn->wifi_get_gscan_capabilities = wifi_get_gscan_capabilities_stub; 66 hal_fn->wifi_set_link_stats = wifi_set_link_stats_stub; 67 hal_fn->wifi_get_link_stats = wifi_get_link_stats_stub; 68 hal_fn->wifi_clear_link_stats = wifi_clear_link_stats_stub; 69 hal_fn->wifi_get_valid_channels = wifi_get_valid_channels_stub; 70 hal_fn->wifi_rtt_range_request = wifi_rtt_range_request_stub; 71 hal_fn->wifi_rtt_range_cancel = wifi_rtt_range_cancel_stub; 72 hal_fn->wifi_get_rtt_capabilities = wifi_get_rtt_capabilities_stub; 73 hal_fn->wifi_start_logging = wifi_start_logging_stub; 74 hal_fn->wifi_set_epno_list = wifi_set_epno_list_stub; 75 hal_fn->wifi_set_country_code = wifi_set_country_code_stub; 76 hal_fn->wifi_enable_tdls = wifi_enable_tdls_stub; 77 hal_fn->wifi_disable_tdls = wifi_disable_tdls_stub; 78 hal_fn->wifi_get_tdls_status = wifi_get_tdls_status_stub; 79 hal_fn->wifi_get_tdls_capabilities = wifi_get_tdls_capabilities_stub; 80 hal_fn->wifi_set_nodfs_flag = wifi_set_nodfs_flag_stub; 81 hal_fn->wifi_get_firmware_memory_dump = wifi_get_firmware_memory_dump_stub; 82 hal_fn->wifi_set_log_handler = wifi_set_log_handler_stub; 83 hal_fn->wifi_set_alert_handler = wifi_set_alert_handler_stub; 84 hal_fn->wifi_get_firmware_version = wifi_get_firmware_version_stub; 85 hal_fn->wifi_get_ring_buffers_status = wifi_get_ring_buffers_status_stub; 86 hal_fn->wifi_get_logger_supported_feature_set = wifi_get_logger_supported_feature_set_stub; 87 hal_fn->wifi_get_ring_data = wifi_get_ring_data_stub; 88 hal_fn->wifi_get_driver_version = wifi_get_driver_version_stub; 89 hal_fn->wifi_set_ssid_white_list = wifi_set_ssid_white_list_stub; 90 hal_fn->wifi_set_gscan_roam_params = wifi_set_gscan_roam_params_stub; 91 hal_fn->wifi_set_bssid_preference = wifi_set_bssid_preference_stub; 92 hal_fn->wifi_enable_lazy_roam = wifi_enable_lazy_roam_stub; 93 hal_fn->wifi_set_bssid_blacklist = wifi_set_bssid_blacklist_stub; 94 return 0; 95} 96 97static bool doCommand(JNIEnv* env, jstring javaCommand, 98 char* reply, size_t reply_len) { 99 ScopedUtfChars command(env, javaCommand); 100 if (command.c_str() == NULL) { 101 return false; // ScopedUtfChars already threw on error. 102 } 103 104 if (DBG) { 105 ALOGD("doCommand: %s", command.c_str()); 106 } 107 108 --reply_len; // Ensure we have room to add NUL termination. 109 if (::wifi_command(command.c_str(), reply, &reply_len) != 0) { 110 return false; 111 } 112 113 // Strip off trailing newline. 114 if (reply_len > 0 && reply[reply_len-1] == '\n') { 115 reply[reply_len-1] = '\0'; 116 } else { 117 reply[reply_len] = '\0'; 118 } 119 return true; 120} 121 122static jint doIntCommand(JNIEnv* env, jstring javaCommand) { 123 char reply[REPLY_BUF_SIZE]; 124 if (!doCommand(env, javaCommand, reply, sizeof(reply))) { 125 return -1; 126 } 127 return static_cast<jint>(atoi(reply)); 128} 129 130static jboolean doBooleanCommand(JNIEnv* env, jstring javaCommand) { 131 char reply[REPLY_BUF_SIZE]; 132 if (!doCommand(env, javaCommand, reply, sizeof(reply))) { 133 return JNI_FALSE; 134 } 135 return (strcmp(reply, "OK") == 0); 136} 137 138// Send a command to the supplicant, and return the reply as a String. 139static jstring doStringCommand(JNIEnv* env, jstring javaCommand) { 140 char reply[REPLY_BUF_SIZE]; 141 if (!doCommand(env, javaCommand, reply, sizeof(reply))) { 142 return NULL; 143 } 144 return env->NewStringUTF(reply); 145} 146 147static jboolean android_net_wifi_isDriverLoaded(JNIEnv* env, jobject) 148{ 149 return (::is_wifi_driver_loaded() == 1); 150} 151 152static jboolean android_net_wifi_loadDriver(JNIEnv* env, jobject) 153{ 154 return (::wifi_load_driver() == 0); 155} 156 157static jboolean android_net_wifi_unloadDriver(JNIEnv* env, jobject) 158{ 159 return (::wifi_unload_driver() == 0); 160} 161 162static jboolean android_net_wifi_startSupplicant(JNIEnv* env, jobject, jboolean p2pSupported) 163{ 164 return (::wifi_start_supplicant(p2pSupported) == 0); 165} 166 167static jboolean android_net_wifi_killSupplicant(JNIEnv* env, jobject, jboolean p2pSupported) 168{ 169 return (::wifi_stop_supplicant(p2pSupported) == 0); 170} 171 172static jboolean android_net_wifi_connectToSupplicant(JNIEnv* env, jobject) 173{ 174 return (::wifi_connect_to_supplicant() == 0); 175} 176 177static void android_net_wifi_closeSupplicantConnection(JNIEnv* env, jobject) 178{ 179 ::wifi_close_supplicant_connection(); 180} 181 182static jstring android_net_wifi_waitForEvent(JNIEnv* env, jobject) 183{ 184 char buf[EVENT_BUF_SIZE]; 185 int nread = ::wifi_wait_for_event(buf, sizeof buf); 186 if (nread > 0) { 187 return env->NewStringUTF(buf); 188 } else { 189 return NULL; 190 } 191} 192 193static jboolean android_net_wifi_doBooleanCommand(JNIEnv* env, jobject, jstring javaCommand) { 194 return doBooleanCommand(env, javaCommand); 195} 196 197static jint android_net_wifi_doIntCommand(JNIEnv* env, jobject, jstring javaCommand) { 198 return doIntCommand(env, javaCommand); 199} 200 201static jstring android_net_wifi_doStringCommand(JNIEnv* env, jobject, jstring javaCommand) { 202 return doStringCommand(env,javaCommand); 203} 204 205/* wifi_hal <==> WifiNative bridge */ 206 207static jclass mCls; /* saved WifiNative object */ 208static JavaVM *mVM; /* saved JVM pointer */ 209 210static const char *WifiHandleVarName = "sWifiHalHandle"; 211static const char *WifiIfaceHandleVarName = "sWifiIfaceHandles"; 212static jmethodID OnScanResultsMethodID; 213 214static JNIEnv *getEnv() { 215 JNIEnv *env = NULL; 216 mVM->AttachCurrentThread(&env, NULL); 217 return env; 218} 219 220static wifi_handle getWifiHandle(JNIEnv *env, jclass cls) { 221 return (wifi_handle) getStaticLongField(env, cls, WifiHandleVarName); 222} 223 224static wifi_interface_handle getIfaceHandle(JNIEnv *env, jclass cls, jint index) { 225 return (wifi_interface_handle) getStaticLongArrayField(env, cls, WifiIfaceHandleVarName, index); 226} 227 228static jobject createScanResult(JNIEnv *env, wifi_scan_result *result) { 229 230 // ALOGD("creating scan result"); 231 232 jobject scanResult = createObject(env, "android/net/wifi/ScanResult"); 233 if (scanResult == NULL) { 234 ALOGE("Error in creating scan result"); 235 return NULL; 236 } 237 238 ALOGV("setting SSID to %s", result->ssid); 239 //jstring jssid = env->NewStringUTF(result->ssid); 240 setStringField(env, scanResult, "SSID", result->ssid); 241 242 char bssid[32]; 243 sprintf(bssid, "%02x:%02x:%02x:%02x:%02x:%02x", result->bssid[0], result->bssid[1], 244 result->bssid[2], result->bssid[3], result->bssid[4], result->bssid[5]); 245 //jstring jbssid = env->NewStringUTF(bssid); 246 247 setStringField(env, scanResult, "BSSID", bssid); 248 249 setIntField(env, scanResult, "level", result->rssi); 250 setIntField(env, scanResult, "frequency", result->channel); 251 setLongField(env, scanResult, "timestamp", result->ts); 252 253 return scanResult; 254} 255 256int set_iface_flags(const char *ifname, int dev_up) { 257 struct ifreq ifr; 258 int ret; 259 int sock = socket(PF_INET, SOCK_DGRAM, 0); 260 if (sock < 0) { 261 ALOGD("Bad socket: %d\n", sock); 262 return -errno; 263 } 264 265 //ALOGD("setting interface %s flags (%s)\n", ifname, dev_up ? "UP" : "DOWN"); 266 267 memset(&ifr, 0, sizeof(ifr)); 268 strlcpy(ifr.ifr_name, ifname, IFNAMSIZ); 269 270 //ALOGD("reading old value\n"); 271 272 if (ioctl(sock, SIOCGIFFLAGS, &ifr) != 0) { 273 ret = errno ? -errno : -999; 274 ALOGE("Could not read interface %s flags: %d\n", ifname, errno); 275 close(sock); 276 return ret; 277 } else { 278 //ALOGD("writing new value\n"); 279 } 280 281 if (dev_up) { 282 if (ifr.ifr_flags & IFF_UP) { 283 // ALOGD("interface %s is already up\n", ifname); 284 close(sock); 285 return 0; 286 } 287 ifr.ifr_flags |= IFF_UP; 288 } else { 289 if (!(ifr.ifr_flags & IFF_UP)) { 290 // ALOGD("interface %s is already down\n", ifname); 291 close(sock); 292 return 0; 293 } 294 ifr.ifr_flags &= ~IFF_UP; 295 } 296 297 if (ioctl(sock, SIOCSIFFLAGS, &ifr) != 0) { 298 ALOGE("Could not set interface %s flags \n", ifname); 299 close(sock); 300 return ret; 301 } else { 302 ALOGD("set interface %s flags (%s)\n", ifname, dev_up ? "UP" : "DOWN"); 303 } 304 close(sock); 305 return 0; 306} 307 308static jboolean android_net_wifi_toggle_interface(JNIEnv* env, jclass cls, int toggle) { 309 return(set_iface_flags("wlan0", toggle) == 0); 310} 311 312static jboolean android_net_wifi_startHal(JNIEnv* env, jclass cls) { 313 wifi_handle halHandle = getWifiHandle(env, cls); 314 if (halHandle == NULL) { 315 316 if(init_wifi_hal_func_table(&hal_fn) != 0 ) { 317 ALOGD("Can not initialize the basic function pointer table"); 318 return false; 319 } 320 321 wifi_error res = init_wifi_vendor_hal_func_table(&hal_fn); 322 if (res != WIFI_SUCCESS) { 323 ALOGD("Can not initialize the vendor function pointer table"); 324 return false; 325 } 326 327 int ret = set_iface_flags("wlan0", 1); 328 if(ret != 0) { 329 return false; 330 } 331 332 res = hal_fn.wifi_initialize(&halHandle); 333 if (res == WIFI_SUCCESS) { 334 setStaticLongField(env, cls, WifiHandleVarName, (jlong)halHandle); 335 ALOGD("Did set static halHandle = %p", halHandle); 336 } 337 env->GetJavaVM(&mVM); 338 mCls = (jclass) env->NewGlobalRef(cls); 339 ALOGD("halHandle = %p, mVM = %p, mCls = %p", halHandle, mVM, mCls); 340 return res == WIFI_SUCCESS; 341 } else { 342 return (set_iface_flags("wlan0", 1) == 0); 343 } 344} 345 346void android_net_wifi_hal_cleaned_up_handler(wifi_handle handle) { 347 ALOGD("In wifi cleaned up handler"); 348 349 JNIEnv * env = getEnv(); 350 setStaticLongField(env, mCls, WifiHandleVarName, 0); 351 env->DeleteGlobalRef(mCls); 352 mCls = NULL; 353 mVM = NULL; 354} 355 356static void android_net_wifi_stopHal(JNIEnv* env, jclass cls) { 357 ALOGD("In wifi stop Hal"); 358 359 wifi_handle halHandle = getWifiHandle(env, cls); 360 hal_fn.wifi_cleanup(halHandle, android_net_wifi_hal_cleaned_up_handler); 361 set_iface_flags("wlan0", 0); 362} 363 364static void android_net_wifi_waitForHalEvents(JNIEnv* env, jclass cls) { 365 366 ALOGD("waitForHalEvents called, vm = %p, obj = %p, env = %p", mVM, mCls, env); 367 368 wifi_handle halHandle = getWifiHandle(env, cls); 369 hal_fn.wifi_event_loop(halHandle); 370} 371 372static int android_net_wifi_getInterfaces(JNIEnv *env, jclass cls) { 373 int n = 0; 374 wifi_handle halHandle = getWifiHandle(env, cls); 375 wifi_interface_handle *ifaceHandles = NULL; 376 int result = hal_fn.wifi_get_ifaces(halHandle, &n, &ifaceHandles); 377 if (result < 0) { 378 return result; 379 } 380 381 if (n < 0) { 382 THROW(env, "android_net_wifi_getInterfaces no interfaces"); 383 return 0; 384 } 385 386 if (ifaceHandles == NULL) { 387 THROW(env, "android_net_wifi_getInterfaces null interface array"); 388 return 0; 389 } 390 391 if (n > 8) { 392 THROW(env, "Too many interfaces"); 393 return 0; 394 } 395 396 jlongArray array = (env)->NewLongArray(n); 397 if (array == NULL) { 398 THROW(env, "Error in accessing array"); 399 return 0; 400 } 401 402 jlong elems[8]; 403 for (int i = 0; i < n; i++) { 404 elems[i] = reinterpret_cast<jlong>(ifaceHandles[i]); 405 } 406 env->SetLongArrayRegion(array, 0, n, elems); 407 setStaticLongArrayField(env, cls, WifiIfaceHandleVarName, array); 408 409 return (result < 0) ? result : n; 410} 411 412static jstring android_net_wifi_getInterfaceName(JNIEnv *env, jclass cls, jint i) { 413 char buf[EVENT_BUF_SIZE]; 414 415 jlong value = getStaticLongArrayField(env, cls, WifiIfaceHandleVarName, i); 416 wifi_interface_handle handle = (wifi_interface_handle) value; 417 int result = hal_fn.wifi_get_iface_name(handle, buf, sizeof(buf)); 418 if (result < 0) { 419 return NULL; 420 } else { 421 return env->NewStringUTF(buf); 422 } 423} 424 425 426static void onScanResultsAvailable(wifi_request_id id, unsigned num_results) { 427 428 JNIEnv *env = NULL; 429 mVM->AttachCurrentThread(&env, NULL); 430 431 ALOGD("onScanResultsAvailable called, vm = %p, obj = %p, env = %p", mVM, mCls, env); 432 433 reportEvent(env, mCls, "onScanResultsAvailable", "(I)V", id); 434} 435 436static void onScanEvent(wifi_scan_event event, unsigned status) { 437 JNIEnv *env = NULL; 438 mVM->AttachCurrentThread(&env, NULL); 439 440 ALOGD("onScanStatus called, vm = %p, obj = %p, env = %p", mVM, mCls, env); 441 442 reportEvent(env, mCls, "onScanStatus", "(I)V", event); 443} 444 445static void onFullScanResult(wifi_request_id id, wifi_scan_result *result) { 446 447 JNIEnv *env = NULL; 448 mVM->AttachCurrentThread(&env, NULL); 449 450 //ALOGD("onFullScanResult called, vm = %p, obj = %p, env = %p", mVM, mCls, env); 451 452 jobject scanResult = createScanResult(env, result); 453 454 //ALOGD("Creating a byte array of length %d", result->ie_length); 455 456 jbyteArray elements = env->NewByteArray(result->ie_length); 457 if (elements == NULL) { 458 ALOGE("Error in allocating array"); 459 return; 460 } 461 462 // ALOGD("Setting byte array"); 463 464 jbyte *bytes = (jbyte *)&(result->ie_data[0]); 465 env->SetByteArrayRegion(elements, 0, result->ie_length, bytes); 466 467 // ALOGD("Returning result"); 468 469 reportEvent(env, mCls, "onFullScanResult", "(ILandroid/net/wifi/ScanResult;[B)V", id, 470 scanResult, elements); 471 472 env->DeleteLocalRef(scanResult); 473 env->DeleteLocalRef(elements); 474} 475 476static jboolean android_net_wifi_startScan( 477 JNIEnv *env, jclass cls, jint iface, jint id, jobject settings) { 478 479 wifi_interface_handle handle = getIfaceHandle(env, cls, iface); 480 // ALOGD("starting scan on interface[%d] = %p", iface, handle); 481 482 wifi_scan_cmd_params params; 483 memset(¶ms, 0, sizeof(params)); 484 485 params.base_period = getIntField(env, settings, "base_period_ms"); 486 params.max_ap_per_scan = getIntField(env, settings, "max_ap_per_scan"); 487 params.report_threshold_percent = getIntField(env, settings, "report_threshold_percent"); 488 params.report_threshold_num_scans = getIntField(env, settings, "report_threshold_num_scans"); 489 490 ALOGD("Initialized common fields %d, %d, %d, %d", params.base_period, params.max_ap_per_scan, 491 params.report_threshold_percent, params.report_threshold_num_scans); 492 493 const char *bucket_array_type = "[Lcom/android/server/wifi/WifiNative$BucketSettings;"; 494 const char *channel_array_type = "[Lcom/android/server/wifi/WifiNative$ChannelSettings;"; 495 496 jobjectArray buckets = (jobjectArray)getObjectField(env, settings, "buckets", bucket_array_type); 497 params.num_buckets = getIntField(env, settings, "num_buckets"); 498 499 // ALOGD("Initialized num_buckets to %d", params.num_buckets); 500 501 for (int i = 0; i < params.num_buckets; i++) { 502 jobject bucket = getObjectArrayField(env, settings, "buckets", bucket_array_type, i); 503 504 params.buckets[i].bucket = getIntField(env, bucket, "bucket"); 505 params.buckets[i].band = (wifi_band) getIntField(env, bucket, "band"); 506 params.buckets[i].period = getIntField(env, bucket, "period_ms"); 507 508 int report_events = getIntField(env, bucket, "report_events"); 509 params.buckets[i].report_events = report_events; 510 511 ALOGD("bucket[%d] = %d:%d:%d:%d", i, params.buckets[i].bucket, 512 params.buckets[i].band, params.buckets[i].period, report_events); 513 514 jobjectArray channels = (jobjectArray)getObjectField( 515 env, bucket, "channels", channel_array_type); 516 517 params.buckets[i].num_channels = getIntField(env, bucket, "num_channels"); 518 // ALOGD("Initialized num_channels to %d", params.buckets[i].num_channels); 519 520 for (int j = 0; j < params.buckets[i].num_channels; j++) { 521 jobject channel = getObjectArrayField(env, bucket, "channels", channel_array_type, j); 522 523 params.buckets[i].channels[j].channel = getIntField(env, channel, "frequency"); 524 params.buckets[i].channels[j].dwellTimeMs = getIntField(env, channel, "dwell_time_ms"); 525 526 bool passive = getBoolField(env, channel, "passive"); 527 params.buckets[i].channels[j].passive = (passive ? 1 : 0); 528 529 // ALOGD("Initialized channel %d", params.buckets[i].channels[j].channel); 530 } 531 } 532 533 // ALOGD("Initialized all fields"); 534 535 wifi_scan_result_handler handler; 536 memset(&handler, 0, sizeof(handler)); 537 handler.on_scan_results_available = &onScanResultsAvailable; 538 handler.on_full_scan_result = &onFullScanResult; 539 handler.on_scan_event = &onScanEvent; 540 541 return hal_fn.wifi_start_gscan(id, handle, params, handler) == WIFI_SUCCESS; 542} 543 544static jboolean android_net_wifi_stopScan(JNIEnv *env, jclass cls, jint iface, jint id) { 545 wifi_interface_handle handle = getIfaceHandle(env, cls, iface); 546 // ALOGD("stopping scan on interface[%d] = %p", iface, handle); 547 548 return hal_fn.wifi_stop_gscan(id, handle) == WIFI_SUCCESS; 549} 550 551static int compare_scan_result_timestamp(const void *v1, const void *v2) { 552 const wifi_scan_result *result1 = static_cast<const wifi_scan_result *>(v1); 553 const wifi_scan_result *result2 = static_cast<const wifi_scan_result *>(v2); 554 return result1->ts - result2->ts; 555} 556 557static jobject android_net_wifi_getScanResults( 558 JNIEnv *env, jclass cls, jint iface, jboolean flush) { 559 560 wifi_cached_scan_results scan_data[64]; 561 int num_scan_data = 64; 562 563 wifi_interface_handle handle = getIfaceHandle(env, cls, iface); 564 // ALOGD("getting scan results on interface[%d] = %p", iface, handle); 565 566 byte b = flush ? 0xFF : 0; 567 int result = hal_fn.wifi_get_cached_gscan_results(handle, b, num_scan_data, scan_data, &num_scan_data); 568 if (result == WIFI_SUCCESS) { 569 jobjectArray scanData = createObjectArray(env, 570 "android/net/wifi/WifiScanner$ScanData", num_scan_data); 571 if (scanData == NULL) { 572 ALOGE("Error in allocating array of scanData"); 573 return NULL; 574 } 575 576 for (int i = 0; i < num_scan_data; i++) { 577 578 jobject data = createObject(env, "android/net/wifi/WifiScanner$ScanData"); 579 if (data == NULL) { 580 ALOGE("Error in allocating scanData"); 581 return NULL; 582 } 583 584 setIntField(env, data, "mId", scan_data[i].scan_id); 585 setIntField(env, data, "mFlags", scan_data[i].flags); 586 587 /* sort all scan results by timestamp */ 588 qsort(scan_data[i].results, scan_data[i].num_results, 589 sizeof(wifi_scan_result), compare_scan_result_timestamp); 590 591 jobjectArray scanResults = createObjectArray(env, 592 "android/net/wifi/ScanResult", scan_data[i].num_results); 593 if (scanResults == NULL) { 594 ALOGE("Error in allocating scanResult array"); 595 return NULL; 596 } 597 598 wifi_scan_result *results = scan_data[i].results; 599 for (int j = 0; j < scan_data[i].num_results; j++) { 600 601 jobject scanResult = createObject(env, "android/net/wifi/ScanResult"); 602 if (scanResult == NULL) { 603 ALOGE("Error in creating scan result"); 604 return NULL; 605 } 606 607 setStringField(env, scanResult, "SSID", results[j].ssid); 608 609 char bssid[32]; 610 sprintf(bssid, "%02x:%02x:%02x:%02x:%02x:%02x", results[j].bssid[0], 611 results[j].bssid[1], results[j].bssid[2], results[j].bssid[3], 612 results[j].bssid[4], results[j].bssid[5]); 613 614 setStringField(env, scanResult, "BSSID", bssid); 615 616 setIntField(env, scanResult, "level", results[j].rssi); 617 setIntField(env, scanResult, "frequency", results[j].channel); 618 setLongField(env, scanResult, "timestamp", results[j].ts); 619 620 env->SetObjectArrayElement(scanResults, j, scanResult); 621 env->DeleteLocalRef(scanResult); 622 } 623 624 setObjectField(env, data, "mResults", "[Landroid/net/wifi/ScanResult;", scanResults); 625 env->SetObjectArrayElement(scanData, i, data); 626 } 627 628 ALOGD("retrieved %d scan data from interface[%d] = %p", num_scan_data, iface, handle); 629 return scanData; 630 } else { 631 return NULL; 632 } 633} 634 635 636static jboolean android_net_wifi_getScanCapabilities( 637 JNIEnv *env, jclass cls, jint iface, jobject capabilities) { 638 639 wifi_interface_handle handle = getIfaceHandle(env, cls, iface); 640 // ALOGD("getting scan capabilities on interface[%d] = %p", iface, handle); 641 642 wifi_gscan_capabilities c; 643 memset(&c, 0, sizeof(c)); 644 int result = hal_fn.wifi_get_gscan_capabilities(handle, &c); 645 if (result != WIFI_SUCCESS) { 646 ALOGD("failed to get capabilities : %d", result); 647 return JNI_FALSE; 648 } 649 650 setIntField(env, capabilities, "max_scan_cache_size", c.max_scan_cache_size); 651 setIntField(env, capabilities, "max_scan_buckets", c.max_scan_buckets); 652 setIntField(env, capabilities, "max_ap_cache_per_scan", c.max_ap_cache_per_scan); 653 setIntField(env, capabilities, "max_rssi_sample_size", c.max_rssi_sample_size); 654 setIntField(env, capabilities, "max_scan_reporting_threshold", c.max_scan_reporting_threshold); 655 setIntField(env, capabilities, "max_hotlist_bssids", c.max_hotlist_bssids); 656 setIntField(env, capabilities, "max_significant_wifi_change_aps", 657 c.max_significant_wifi_change_aps); 658 659 return JNI_TRUE; 660} 661 662 663static byte parseHexChar(char ch) { 664 if (isdigit(ch)) 665 return ch - '0'; 666 else if ('A' <= ch && ch <= 'F') 667 return ch - 'A' + 10; 668 else if ('a' <= ch && ch <= 'f') 669 return ch - 'a' + 10; 670 else { 671 ALOGE("invalid character in bssid %c", ch); 672 return 0; 673 } 674} 675 676static byte parseHexByte(const char * &str) { 677 byte b = parseHexChar(str[0]); 678 if (str[1] == ':' || str[1] == '\0') { 679 str += 2; 680 return b; 681 } else { 682 b = b << 4 | parseHexChar(str[1]); 683 str += 3; 684 return b; 685 } 686} 687 688static void parseMacAddress(const char *str, mac_addr addr) { 689 addr[0] = parseHexByte(str); 690 addr[1] = parseHexByte(str); 691 addr[2] = parseHexByte(str); 692 addr[3] = parseHexByte(str); 693 addr[4] = parseHexByte(str); 694 addr[5] = parseHexByte(str); 695} 696 697static bool parseMacAddress(JNIEnv *env, jobject obj, mac_addr addr) { 698 jstring macAddrString = (jstring) getObjectField( 699 env, obj, "bssid", "Ljava/lang/String;"); 700 701 if (macAddrString == NULL) { 702 ALOGE("Error getting bssid field"); 703 return false; 704 } 705 706 const char *bssid = env->GetStringUTFChars(macAddrString, NULL); 707 if (bssid == NULL) { 708 ALOGE("Error getting bssid"); 709 return false; 710 } 711 712 parseMacAddress(bssid, addr); 713 return true; 714} 715 716static void onHotlistApFound(wifi_request_id id, 717 unsigned num_results, wifi_scan_result *results) { 718 719 JNIEnv *env = NULL; 720 mVM->AttachCurrentThread(&env, NULL); 721 722 ALOGD("onHotlistApFound called, vm = %p, obj = %p, env = %p, num_results = %d", 723 mVM, mCls, env, num_results); 724 725 jclass clsScanResult = (env)->FindClass("android/net/wifi/ScanResult"); 726 if (clsScanResult == NULL) { 727 ALOGE("Error in accessing class"); 728 return; 729 } 730 731 jobjectArray scanResults = env->NewObjectArray(num_results, clsScanResult, NULL); 732 if (scanResults == NULL) { 733 ALOGE("Error in allocating array"); 734 return; 735 } 736 737 for (unsigned i = 0; i < num_results; i++) { 738 739 jobject scanResult = createObject(env, "android/net/wifi/ScanResult"); 740 if (scanResult == NULL) { 741 ALOGE("Error in creating scan result"); 742 return; 743 } 744 745 setStringField(env, scanResult, "SSID", results[i].ssid); 746 747 char bssid[32]; 748 sprintf(bssid, "%02x:%02x:%02x:%02x:%02x:%02x", results[i].bssid[0], results[i].bssid[1], 749 results[i].bssid[2], results[i].bssid[3], results[i].bssid[4], results[i].bssid[5]); 750 751 setStringField(env, scanResult, "BSSID", bssid); 752 753 setIntField(env, scanResult, "level", results[i].rssi); 754 setIntField(env, scanResult, "frequency", results[i].channel); 755 setLongField(env, scanResult, "timestamp", results[i].ts); 756 757 env->SetObjectArrayElement(scanResults, i, scanResult); 758 759 ALOGD("Found AP %32s %s", results[i].ssid, bssid); 760 } 761 762 reportEvent(env, mCls, "onHotlistApFound", "(I[Landroid/net/wifi/ScanResult;)V", 763 id, scanResults); 764} 765 766static void onHotlistApLost(wifi_request_id id, 767 unsigned num_results, wifi_scan_result *results) { 768 769 JNIEnv *env = NULL; 770 mVM->AttachCurrentThread(&env, NULL); 771 772 ALOGD("onHotlistApLost called, vm = %p, obj = %p, env = %p, num_results = %d", 773 mVM, mCls, env, num_results); 774 775 jclass clsScanResult = (env)->FindClass("android/net/wifi/ScanResult"); 776 if (clsScanResult == NULL) { 777 ALOGE("Error in accessing class"); 778 return; 779 } 780 781 jobjectArray scanResults = env->NewObjectArray(num_results, clsScanResult, NULL); 782 if (scanResults == NULL) { 783 ALOGE("Error in allocating array"); 784 return; 785 } 786 787 for (unsigned i = 0; i < num_results; i++) { 788 789 jobject scanResult = createObject(env, "android/net/wifi/ScanResult"); 790 if (scanResult == NULL) { 791 ALOGE("Error in creating scan result"); 792 return; 793 } 794 795 setStringField(env, scanResult, "SSID", results[i].ssid); 796 797 char bssid[32]; 798 sprintf(bssid, "%02x:%02x:%02x:%02x:%02x:%02x", results[i].bssid[0], results[i].bssid[1], 799 results[i].bssid[2], results[i].bssid[3], results[i].bssid[4], results[i].bssid[5]); 800 801 setStringField(env, scanResult, "BSSID", bssid); 802 803 setIntField(env, scanResult, "level", results[i].rssi); 804 setIntField(env, scanResult, "frequency", results[i].channel); 805 setLongField(env, scanResult, "timestamp", results[i].ts); 806 807 env->SetObjectArrayElement(scanResults, i, scanResult); 808 809 ALOGD("Lost AP %32s %s", results[i].ssid, bssid); 810 } 811 812 reportEvent(env, mCls, "onHotlistApLost", "(I[Landroid/net/wifi/ScanResult;)V", 813 id, scanResults); 814} 815 816 817static jboolean android_net_wifi_setHotlist( 818 JNIEnv *env, jclass cls, jint iface, jint id, jobject ap) { 819 820 wifi_interface_handle handle = getIfaceHandle(env, cls, iface); 821 ALOGD("setting hotlist on interface[%d] = %p", iface, handle); 822 823 wifi_bssid_hotlist_params params; 824 memset(¶ms, 0, sizeof(params)); 825 826 params.lost_ap_sample_size = getIntField(env, ap, "apLostThreshold"); 827 828 jobjectArray array = (jobjectArray) getObjectField(env, ap, 829 "bssidInfos", "[Landroid/net/wifi/WifiScanner$BssidInfo;"); 830 params.num_bssid = env->GetArrayLength(array); 831 832 if (params.num_bssid == 0) { 833 ALOGE("Error in accesing array"); 834 return false; 835 } 836 837 for (int i = 0; i < params.num_bssid; i++) { 838 jobject objAp = env->GetObjectArrayElement(array, i); 839 840 jstring macAddrString = (jstring) getObjectField( 841 env, objAp, "bssid", "Ljava/lang/String;"); 842 if (macAddrString == NULL) { 843 ALOGE("Error getting bssid field"); 844 return false; 845 } 846 847 const char *bssid = env->GetStringUTFChars(macAddrString, NULL); 848 if (bssid == NULL) { 849 ALOGE("Error getting bssid"); 850 return false; 851 } 852 parseMacAddress(bssid, params.ap[i].bssid); 853 854 mac_addr addr; 855 memcpy(addr, params.ap[i].bssid, sizeof(mac_addr)); 856 857 char bssidOut[32]; 858 sprintf(bssidOut, "%0x:%0x:%0x:%0x:%0x:%0x", addr[0], addr[1], 859 addr[2], addr[3], addr[4], addr[5]); 860 861 ALOGD("Added bssid %s", bssidOut); 862 863 params.ap[i].low = getIntField(env, objAp, "low"); 864 params.ap[i].high = getIntField(env, objAp, "high"); 865 } 866 867 wifi_hotlist_ap_found_handler handler; 868 memset(&handler, 0, sizeof(handler)); 869 870 handler.on_hotlist_ap_found = &onHotlistApFound; 871 handler.on_hotlist_ap_lost = &onHotlistApLost; 872 return hal_fn.wifi_set_bssid_hotlist(id, handle, params, handler) == WIFI_SUCCESS; 873} 874 875static jboolean android_net_wifi_resetHotlist( 876 JNIEnv *env, jclass cls, jint iface, jint id) { 877 878 wifi_interface_handle handle = getIfaceHandle(env, cls, iface); 879 ALOGD("resetting hotlist on interface[%d] = %p", iface, handle); 880 881 return hal_fn.wifi_reset_bssid_hotlist(id, handle) == WIFI_SUCCESS; 882} 883 884void onSignificantWifiChange(wifi_request_id id, 885 unsigned num_results, wifi_significant_change_result **results) { 886 JNIEnv *env = NULL; 887 mVM->AttachCurrentThread(&env, NULL); 888 889 ALOGD("onSignificantWifiChange called, vm = %p, obj = %p, env = %p", mVM, mCls, env); 890 891 jclass clsScanResult = (env)->FindClass("android/net/wifi/ScanResult"); 892 if (clsScanResult == NULL) { 893 ALOGE("Error in accessing class"); 894 return; 895 } 896 897 jobjectArray scanResults = env->NewObjectArray(num_results, clsScanResult, NULL); 898 if (scanResults == NULL) { 899 ALOGE("Error in allocating array"); 900 return; 901 } 902 903 for (unsigned i = 0; i < num_results; i++) { 904 905 wifi_significant_change_result &result = *(results[i]); 906 907 jobject scanResult = createObject(env, "android/net/wifi/ScanResult"); 908 if (scanResult == NULL) { 909 ALOGE("Error in creating scan result"); 910 return; 911 } 912 913 // setStringField(env, scanResult, "SSID", results[i].ssid); 914 915 char bssid[32]; 916 sprintf(bssid, "%02x:%02x:%02x:%02x:%02x:%02x", result.bssid[0], result.bssid[1], 917 result.bssid[2], result.bssid[3], result.bssid[4], result.bssid[5]); 918 919 setStringField(env, scanResult, "BSSID", bssid); 920 921 setIntField(env, scanResult, "level", result.rssi[0]); 922 setIntField(env, scanResult, "frequency", result.channel); 923 // setLongField(env, scanResult, "timestamp", result.ts); 924 925 env->SetObjectArrayElement(scanResults, i, scanResult); 926 } 927 928 reportEvent(env, mCls, "onSignificantWifiChange", "(I[Landroid/net/wifi/ScanResult;)V", 929 id, scanResults); 930 931} 932 933static jboolean android_net_wifi_trackSignificantWifiChange( 934 JNIEnv *env, jclass cls, jint iface, jint id, jobject settings) { 935 936 wifi_interface_handle handle = getIfaceHandle(env, cls, iface); 937 ALOGD("tracking significant wifi change on interface[%d] = %p", iface, handle); 938 939 wifi_significant_change_params params; 940 memset(¶ms, 0, sizeof(params)); 941 942 params.rssi_sample_size = getIntField(env, settings, "rssiSampleSize"); 943 params.lost_ap_sample_size = getIntField(env, settings, "lostApSampleSize"); 944 params.min_breaching = getIntField(env, settings, "minApsBreachingThreshold"); 945 946 const char *bssid_info_array_type = "[Landroid/net/wifi/WifiScanner$BssidInfo;"; 947 jobjectArray bssids = (jobjectArray)getObjectField( 948 env, settings, "bssidInfos", bssid_info_array_type); 949 params.num_bssid = env->GetArrayLength(bssids); 950 951 if (params.num_bssid == 0) { 952 ALOGE("Error in accessing array"); 953 return false; 954 } 955 956 ALOGD("Initialized common fields %d, %d, %d, %d", params.rssi_sample_size, 957 params.lost_ap_sample_size, params.min_breaching, params.num_bssid); 958 959 for (int i = 0; i < params.num_bssid; i++) { 960 jobject objAp = env->GetObjectArrayElement(bssids, i); 961 962 jstring macAddrString = (jstring) getObjectField( 963 env, objAp, "bssid", "Ljava/lang/String;"); 964 if (macAddrString == NULL) { 965 ALOGE("Error getting bssid field"); 966 return false; 967 } 968 969 const char *bssid = env->GetStringUTFChars(macAddrString, NULL); 970 if (bssid == NULL) { 971 ALOGE("Error getting bssid"); 972 return false; 973 } 974 975 mac_addr addr; 976 parseMacAddress(bssid, addr); 977 memcpy(params.ap[i].bssid, addr, sizeof(mac_addr)); 978 979 char bssidOut[32]; 980 sprintf(bssidOut, "%02x:%02x:%02x:%02x:%02x:%02x", addr[0], addr[1], 981 addr[2], addr[3], addr[4], addr[5]); 982 983 params.ap[i].low = getIntField(env, objAp, "low"); 984 params.ap[i].high = getIntField(env, objAp, "high"); 985 986 ALOGD("Added bssid %s, [%04d, %04d]", bssidOut, params.ap[i].low, params.ap[i].high); 987 } 988 989 ALOGD("Added %d bssids", params.num_bssid); 990 991 wifi_significant_change_handler handler; 992 memset(&handler, 0, sizeof(handler)); 993 994 handler.on_significant_change = &onSignificantWifiChange; 995 return hal_fn.wifi_set_significant_change_handler(id, handle, params, handler) == WIFI_SUCCESS; 996} 997 998static jboolean android_net_wifi_untrackSignificantWifiChange( 999 JNIEnv *env, jclass cls, jint iface, jint id) { 1000 1001 wifi_interface_handle handle = getIfaceHandle(env, cls, iface); 1002 ALOGD("resetting significant wifi change on interface[%d] = %p", iface, handle); 1003 1004 return hal_fn.wifi_reset_significant_change_handler(id, handle) == WIFI_SUCCESS; 1005} 1006 1007wifi_iface_stat link_stat; 1008wifi_radio_stat radio_stat; // L release has support for only one radio 1009 1010void onLinkStatsResults(wifi_request_id id, wifi_iface_stat *iface_stat, 1011 int num_radios, wifi_radio_stat *radio_stats) 1012{ 1013 if (iface_stat != 0) { 1014 memcpy(&link_stat, iface_stat, sizeof(wifi_iface_stat)); 1015 } else { 1016 memset(&link_stat, 0, sizeof(wifi_iface_stat)); 1017 } 1018 1019 if (num_radios > 0 && radio_stats != 0) { 1020 memcpy(&radio_stat, radio_stats, sizeof(wifi_radio_stat)); 1021 } else { 1022 memset(&radio_stat, 0, sizeof(wifi_radio_stat)); 1023 } 1024} 1025 1026static jobject android_net_wifi_getLinkLayerStats (JNIEnv *env, jclass cls, jint iface) { 1027 1028 wifi_stats_result_handler handler; 1029 memset(&handler, 0, sizeof(handler)); 1030 handler.on_link_stats_results = &onLinkStatsResults; 1031 wifi_interface_handle handle = getIfaceHandle(env, cls, iface); 1032 int result = hal_fn.wifi_get_link_stats(0, handle, handler); 1033 if (result < 0) { 1034 ALOGE("android_net_wifi_getLinkLayerStats: failed to get link statistics\n"); 1035 return NULL; 1036 } 1037 1038 jobject wifiLinkLayerStats = createObject(env, "android/net/wifi/WifiLinkLayerStats"); 1039 if (wifiLinkLayerStats == NULL) { 1040 ALOGE("Error in allocating wifiLinkLayerStats"); 1041 return NULL; 1042 } 1043 1044 setIntField(env, wifiLinkLayerStats, "beacon_rx", link_stat.beacon_rx); 1045 setIntField(env, wifiLinkLayerStats, "rssi_mgmt", link_stat.rssi_mgmt); 1046 setLongField(env, wifiLinkLayerStats, "rxmpdu_be", link_stat.ac[WIFI_AC_BE].rx_mpdu); 1047 setLongField(env, wifiLinkLayerStats, "rxmpdu_bk", link_stat.ac[WIFI_AC_BK].rx_mpdu); 1048 setLongField(env, wifiLinkLayerStats, "rxmpdu_vi", link_stat.ac[WIFI_AC_VI].rx_mpdu); 1049 setLongField(env, wifiLinkLayerStats, "rxmpdu_vo", link_stat.ac[WIFI_AC_VO].rx_mpdu); 1050 setLongField(env, wifiLinkLayerStats, "txmpdu_be", link_stat.ac[WIFI_AC_BE].tx_mpdu); 1051 setLongField(env, wifiLinkLayerStats, "txmpdu_bk", link_stat.ac[WIFI_AC_BK].tx_mpdu); 1052 setLongField(env, wifiLinkLayerStats, "txmpdu_vi", link_stat.ac[WIFI_AC_VI].tx_mpdu); 1053 setLongField(env, wifiLinkLayerStats, "txmpdu_vo", link_stat.ac[WIFI_AC_VO].tx_mpdu); 1054 setLongField(env, wifiLinkLayerStats, "lostmpdu_be", link_stat.ac[WIFI_AC_BE].mpdu_lost); 1055 setLongField(env, wifiLinkLayerStats, "lostmpdu_bk", link_stat.ac[WIFI_AC_BK].mpdu_lost); 1056 setLongField(env, wifiLinkLayerStats, "lostmpdu_vi", link_stat.ac[WIFI_AC_VI].mpdu_lost); 1057 setLongField(env, wifiLinkLayerStats, "lostmpdu_vo", link_stat.ac[WIFI_AC_VO].mpdu_lost); 1058 setLongField(env, wifiLinkLayerStats, "retries_be", link_stat.ac[WIFI_AC_BE].retries); 1059 setLongField(env, wifiLinkLayerStats, "retries_bk", link_stat.ac[WIFI_AC_BK].retries); 1060 setLongField(env, wifiLinkLayerStats, "retries_vi", link_stat.ac[WIFI_AC_VI].retries); 1061 setLongField(env, wifiLinkLayerStats, "retries_vo", link_stat.ac[WIFI_AC_VO].retries); 1062 1063 1064 setIntField(env, wifiLinkLayerStats, "on_time", radio_stat.on_time); 1065 setIntField(env, wifiLinkLayerStats, "tx_time", radio_stat.tx_time); 1066 setIntField(env, wifiLinkLayerStats, "rx_time", radio_stat.rx_time); 1067 setIntField(env, wifiLinkLayerStats, "on_time_scan", radio_stat.on_time_scan); 1068 1069 return wifiLinkLayerStats; 1070} 1071 1072static jint android_net_wifi_getSupportedFeatures(JNIEnv *env, jclass cls, jint iface) { 1073 wifi_interface_handle handle = getIfaceHandle(env, cls, iface); 1074 feature_set set = 0; 1075 1076 wifi_error result = WIFI_SUCCESS; 1077 /* 1078 set = WIFI_FEATURE_INFRA 1079 | WIFI_FEATURE_INFRA_5G 1080 | WIFI_FEATURE_HOTSPOT 1081 | WIFI_FEATURE_P2P 1082 | WIFI_FEATURE_SOFT_AP 1083 | WIFI_FEATURE_GSCAN 1084 | WIFI_FEATURE_PNO 1085 | WIFI_FEATURE_TDLS 1086 | WIFI_FEATURE_EPR; 1087 */ 1088 1089 result = hal_fn.wifi_get_supported_feature_set(handle, &set); 1090 if (result == WIFI_SUCCESS) { 1091 // ALOGD("wifi_get_supported_feature_set returned set = 0x%x", set); 1092 return set; 1093 } else { 1094 ALOGE("wifi_get_supported_feature_set returned error = 0x%x", result); 1095 return 0; 1096 } 1097} 1098 1099static void onRttResults(wifi_request_id id, unsigned num_results, wifi_rtt_result* results[]) { 1100 JNIEnv *env = NULL; 1101 mVM->AttachCurrentThread(&env, NULL); 1102 1103 ALOGD("onRttResults called, vm = %p, obj = %p, env = %p", mVM, mCls, env); 1104 1105 jclass clsRttResult = (env)->FindClass("android/net/wifi/RttManager$RttResult"); 1106 if (clsRttResult == NULL) { 1107 ALOGE("Error in accessing class"); 1108 return; 1109 } 1110 1111 jobjectArray rttResults = env->NewObjectArray(num_results, clsRttResult, NULL); 1112 if (rttResults == NULL) { 1113 ALOGE("Error in allocating array"); 1114 return; 1115 } 1116 1117 for (unsigned i = 0; i < num_results; i++) { 1118 1119 wifi_rtt_result *result = results[i]; 1120 1121 jobject rttResult = createObject(env, "android/net/wifi/RttManager$RttResult"); 1122 if (rttResult == NULL) { 1123 ALOGE("Error in creating rtt result"); 1124 return; 1125 } 1126 1127 char bssid[32]; 1128 sprintf(bssid, "%02x:%02x:%02x:%02x:%02x:%02x", result->addr[0], result->addr[1], 1129 result->addr[2], result->addr[3], result->addr[4], result->addr[5]); 1130 1131 setStringField(env, rttResult, "bssid", bssid); 1132 setIntField(env, rttResult, "burstNumber", result->burst_num); 1133 setIntField(env, rttResult, "measurementFrameNumber", result->measurement_number); 1134 setIntField(env, rttResult, "successMeasurementFrameNumber", result->success_number); 1135 setIntField(env, rttResult, "frameNumberPerBurstPeer", result->number_per_burst_peer); 1136 setIntField(env, rttResult, "status", result->status); 1137 setIntField(env, rttResult, "measurementType", result->type); 1138 setIntField(env, rttResult, "retryAfterDuration", result->retry_after_duration); 1139 setLongField(env, rttResult, "ts", result->ts); 1140 setIntField(env, rttResult, "rssi", result->rssi); 1141 setIntField(env, rttResult, "rssiSpread", result->rssi_spread); 1142 setIntField(env, rttResult, "txRate", result->tx_rate.bitrate); 1143 setIntField(env, rttResult, "rxRate", result->rx_rate.bitrate); 1144 setLongField(env, rttResult, "rtt", result->rtt); 1145 setLongField(env, rttResult, "rttStandardDeviation", result->rtt_sd); 1146 setIntField(env, rttResult, "distance", result->distance); 1147 setIntField(env, rttResult, "distanceStandardDeviation", result->distance_sd); 1148 setIntField(env, rttResult, "distanceSpread", result->distance_spread); 1149 setIntField(env, rttResult, "burstDuration", result->burst_duration); 1150 setIntField(env, rttResult, "negotiatedBurstNum", result->negotiated_burst_num); 1151 jobject LCI = createObject(env, "android/net/wifi/RttManager$WifiInformationElement"); 1152 if (result->LCI != NULL && result->LCI->len > 0) { 1153 ALOGD("Add LCI in result"); 1154 setByteField(env, LCI, "id", result->LCI->id); 1155 jbyteArray elements = env->NewByteArray(result->LCI->len); 1156 jbyte *bytes = (jbyte *)&(result->LCI->data[0]); 1157 env->SetByteArrayRegion(elements, 0, result->LCI->len, bytes); 1158 setObjectField(env, LCI, "data", "[B", elements); 1159 env->DeleteLocalRef(elements); 1160 } else { 1161 ALOGD("No LCI in result"); 1162 setByteField(env, LCI, "id", (byte)(0xff)); 1163 } 1164 setObjectField(env, rttResult, "LCI", 1165 "Landroid/net/wifi/RttManager$WifiInformationElement;", LCI); 1166 1167 jobject LCR = createObject(env, "android/net/wifi/RttManager$WifiInformationElement"); 1168 if (result->LCR != NULL && result->LCR->len > 0) { 1169 ALOGD("Add LCR in result"); 1170 setByteField(env, LCR, "id", result->LCR->id); 1171 jbyteArray elements = env->NewByteArray(result->LCI->len); 1172 jbyte *bytes = (jbyte *)&(result->LCR->data[0]); 1173 env->SetByteArrayRegion(elements, 0, result->LCI->len, bytes); 1174 setObjectField(env, LCR, "data", "[B", elements); 1175 env->DeleteLocalRef(elements); 1176 } else { 1177 ALOGD("No LCR in result"); 1178 setByteField(env, LCR, "id", (byte)(0xff)); 1179 } 1180 setObjectField(env, rttResult, "LCR", 1181 "Landroid/net/wifi/RttManager$WifiInformationElement;", LCR); 1182 1183 env->SetObjectArrayElement(rttResults, i, rttResult); 1184 env->DeleteLocalRef(LCI); 1185 env->DeleteLocalRef(LCR); 1186 env->DeleteLocalRef(rttResult); 1187 } 1188 1189 reportEvent(env, mCls, "onRttResults", "(I[Landroid/net/wifi/RttManager$RttResult;)V", 1190 id, rttResults); 1191 1192 //clean the local reference 1193 env->DeleteLocalRef(rttResults); 1194 env->DeleteLocalRef(clsRttResult); 1195 1196} 1197 1198const int MaxRttConfigs = 16; 1199 1200static jboolean android_net_wifi_requestRange( 1201 JNIEnv *env, jclass cls, jint iface, jint id, jobject params) { 1202 1203 wifi_interface_handle handle = getIfaceHandle(env, cls, iface); 1204 ALOGD("sending rtt request [%d] = %p", id, handle); 1205 1206 wifi_rtt_config configs[MaxRttConfigs]; 1207 memset(&configs, 0, sizeof(configs)); 1208 1209 int len = env->GetArrayLength((jobjectArray)params); 1210 if (len > MaxRttConfigs) { 1211 return false; 1212 } 1213 1214 for (int i = 0; i < len; i++) { 1215 1216 jobject param = env->GetObjectArrayElement((jobjectArray)params, i); 1217 if (param == NULL) { 1218 ALOGD("could not get element %d", i); 1219 continue; 1220 } 1221 1222 wifi_rtt_config &config = configs[i]; 1223 1224 parseMacAddress(env, param, config.addr); 1225 config.type = (wifi_rtt_type)getIntField(env, param, "requestType"); 1226 config.peer = (rtt_peer_type)getIntField(env, param, "deviceType"); 1227 config.channel.center_freq = getIntField(env, param, "frequency"); 1228 config.channel.width = (wifi_channel_width) getIntField(env, param, "channelWidth"); 1229 config.channel.center_freq0 = getIntField(env, param, "centerFreq0"); 1230 config.channel.center_freq1 = getIntField(env, param, "centerFreq1"); 1231 1232 config.num_burst = getIntField(env, param, "numberBurst"); 1233 config.burst_period = (unsigned) getIntField(env, param, "interval"); 1234 config.num_frames_per_burst = (unsigned) getIntField(env, param, "numSamplesPerBurst"); 1235 config.num_retries_per_rtt_frame = (unsigned) getIntField(env, param, 1236 "numRetriesPerMeasurementFrame"); 1237 config.num_retries_per_ftmr = (unsigned) getIntField(env, param, "numRetriesPerFTMR"); 1238 config.LCI_request = getBoolField(env, param, "LCIRequest") ? 1 : 0; 1239 config.LCR_request = getBoolField(env, param, "LCRRequest") ? 1 : 0; 1240 config.burst_duration = (unsigned) getIntField(env, param, "burstTimeout"); 1241 config.preamble = (wifi_rtt_preamble) getIntField(env, param, "preamble"); 1242 config.bw = (wifi_rtt_bw) getIntField(env, param, "bandwidth"); 1243 1244 ALOGD("RTT request destination %d: type is %d, peer is %d, bw is %d, center_freq is %d ", i, 1245 config.type,config.peer, config.channel.width, config.channel.center_freq0); 1246 ALOGD("center_freq0 is %d, center_freq1 is %d, num_burst is %d,interval is %d", 1247 config.channel.center_freq0, config.channel.center_freq1, config.num_burst, 1248 config.burst_period); 1249 ALOGD("frames_per_burst is %d, retries of measurement frame is %d, retries_per_ftmr is %d", 1250 config.num_frames_per_burst, config.num_retries_per_rtt_frame, 1251 config.num_retries_per_ftmr); 1252 ALOGD("LCI_requestis %d, LCR_request is %d, burst_timeout is %d, preamble is %d, bw is %d", 1253 config.LCI_request, config.LCR_request, config.burst_duration, config.preamble, 1254 config.bw); 1255 } 1256 1257 wifi_rtt_event_handler handler; 1258 handler.on_rtt_results = &onRttResults; 1259 1260 return hal_fn.wifi_rtt_range_request(id, handle, len, configs, handler) == WIFI_SUCCESS; 1261} 1262 1263static jboolean android_net_wifi_cancelRange( 1264 JNIEnv *env, jclass cls, jint iface, jint id, jobject params) { 1265 1266 wifi_interface_handle handle = getIfaceHandle(env, cls, iface); 1267 ALOGD("cancelling rtt request [%d] = %p", id, handle); 1268 1269 mac_addr addrs[MaxRttConfigs]; 1270 memset(&addrs, 0, sizeof(addrs)); 1271 1272 int len = env->GetArrayLength((jobjectArray)params); 1273 if (len > MaxRttConfigs) { 1274 return false; 1275 } 1276 1277 for (int i = 0; i < len; i++) { 1278 1279 jobject param = env->GetObjectArrayElement((jobjectArray)params, i); 1280 if (param == NULL) { 1281 ALOGD("could not get element %d", i); 1282 continue; 1283 } 1284 1285 parseMacAddress(env, param, addrs[i]); 1286 } 1287 1288 return hal_fn.wifi_rtt_range_cancel(id, handle, len, addrs) == WIFI_SUCCESS; 1289} 1290 1291static jboolean android_net_wifi_setScanningMacOui(JNIEnv *env, jclass cls, 1292 jint iface, jbyteArray param) { 1293 1294 wifi_interface_handle handle = getIfaceHandle(env, cls, iface); 1295 ALOGD("setting scan oui %p", handle); 1296 1297 static const unsigned oui_len = 3; /* OUI is upper 3 bytes of mac_address */ 1298 int len = env->GetArrayLength(param); 1299 if (len != oui_len) { 1300 ALOGE("invalid oui length %d", len); 1301 return false; 1302 } 1303 1304 jbyte* bytes = env->GetByteArrayElements(param, NULL); 1305 if (bytes == NULL) { 1306 ALOGE("failed to get array"); 1307 return false; 1308 } 1309 1310 return hal_fn.wifi_set_scanning_mac_oui(handle, (byte *)bytes) == WIFI_SUCCESS; 1311} 1312 1313static jintArray android_net_wifi_getValidChannels(JNIEnv *env, jclass cls, 1314 jint iface, jint band) { 1315 1316 wifi_interface_handle handle = getIfaceHandle(env, cls, iface); 1317 ALOGD("getting valid channels %p", handle); 1318 1319 static const int MaxChannels = 64; 1320 wifi_channel channels[64]; 1321 int num_channels = 0; 1322 wifi_error result = hal_fn.wifi_get_valid_channels(handle, band, MaxChannels, 1323 channels, &num_channels); 1324 1325 if (result == WIFI_SUCCESS) { 1326 jintArray channelArray = env->NewIntArray(num_channels); 1327 if (channelArray == NULL) { 1328 ALOGE("failed to allocate channel list"); 1329 return NULL; 1330 } 1331 1332 env->SetIntArrayRegion(channelArray, 0, num_channels, channels); 1333 return channelArray; 1334 } else { 1335 ALOGE("failed to get channel list : %d", result); 1336 return NULL; 1337 } 1338} 1339 1340static jboolean android_net_wifi_setDfsFlag(JNIEnv *env, jclass cls, jint iface, jboolean dfs) { 1341 wifi_interface_handle handle = getIfaceHandle(env, cls, iface); 1342 ALOGD("setting dfs flag to %s, %p", dfs ? "true" : "false", handle); 1343 1344 u32 nodfs = dfs ? 0 : 1; 1345 wifi_error result = hal_fn.wifi_set_nodfs_flag(handle, nodfs); 1346 return result == WIFI_SUCCESS; 1347} 1348 1349static jobject android_net_wifi_get_rtt_capabilities(JNIEnv *env, jclass cls, jint iface) { 1350 wifi_rtt_capabilities rtt_capabilities; 1351 wifi_interface_handle handle = getIfaceHandle(env, cls, iface); 1352 wifi_error ret = hal_fn.wifi_get_rtt_capabilities(handle, &rtt_capabilities); 1353 1354 if(WIFI_SUCCESS == ret) { 1355 jobject capabilities = createObject(env, "android/net/wifi/RttManager$RttCapabilities"); 1356 setBooleanField(env, capabilities, "oneSidedRttSupported", 1357 rtt_capabilities.rtt_one_sided_supported == 1); 1358 setBooleanField(env, capabilities, "twoSided11McRttSupported", 1359 rtt_capabilities.rtt_ftm_supported == 1); 1360 setBooleanField(env, capabilities, "lciSupported", 1361 rtt_capabilities.lci_support); 1362 setBooleanField(env,capabilities, "lcrSupported", 1363 rtt_capabilities.lcr_support); 1364 setIntField(env, capabilities, "preambleSupported", 1365 rtt_capabilities.preamble_support); 1366 setIntField(env, capabilities, "bwSupported", 1367 rtt_capabilities.bw_support); 1368 ALOGD("One side RTT is: %s", rtt_capabilities.rtt_one_sided_supported ==1 ? "support" : 1369 "not support"); 1370 ALOGD("Two side RTT is: %s", rtt_capabilities.rtt_ftm_supported == 1 ? "support" : 1371 "not support"); 1372 ALOGD("LCR is: %s", rtt_capabilities.lcr_support == 1 ? "support" : "not support"); 1373 1374 ALOGD("LCI is: %s", rtt_capabilities.lci_support == 1 ? "support" : "not support"); 1375 1376 ALOGD("Support Preamble is : %d support BW is %d", rtt_capabilities.preamble_support, 1377 rtt_capabilities.bw_support); 1378 return capabilities; 1379 } else { 1380 return NULL; 1381 } 1382} 1383 1384static jboolean android_net_wifi_set_Country_Code_Hal(JNIEnv *env,jclass cls, jint iface, 1385 jstring country_code) { 1386 1387 wifi_interface_handle handle = getIfaceHandle(env, cls, iface); 1388 const char *country = env->GetStringUTFChars(country_code, NULL); 1389 1390 ALOGD("set country code: %s", country); 1391 wifi_error res = hal_fn.wifi_set_country_code(handle, country); 1392 env->ReleaseStringUTFChars(country_code, country); 1393 1394 return res == WIFI_SUCCESS; 1395} 1396 1397static jboolean android_net_wifi_enable_disable_tdls(JNIEnv *env,jclass cls, jint iface, 1398 jboolean enable, jstring addr) { 1399 wifi_interface_handle handle = getIfaceHandle(env, cls, iface); 1400 1401 mac_addr address; 1402 parseMacAddress(env, addr, address); 1403 wifi_tdls_handler tdls_handler; 1404 //tdls_handler.on_tdls_state_changed = &on_tdls_state_changed; 1405 1406 if(enable) { 1407 return (hal_fn.wifi_enable_tdls(handle, address, NULL, tdls_handler) == WIFI_SUCCESS); 1408 } else { 1409 return (hal_fn.wifi_disable_tdls(handle, address) == WIFI_SUCCESS); 1410 } 1411} 1412 1413static void on_tdls_state_changed(mac_addr addr, wifi_tdls_status status) { 1414 JNIEnv *env = NULL; 1415 mVM->AttachCurrentThread(&env, NULL); 1416 1417 ALOGD("on_tdls_state_changed is called: vm = %p, obj = %p, env = %p", mVM, mCls, env); 1418 1419 char mac[32]; 1420 sprintf(mac, "%02x:%02x:%02x:%02x:%02x:%02x", addr[0], addr[1], addr[2], addr[3], addr[4], 1421 addr[5]); 1422 1423 jstring mac_address = env->NewStringUTF(mac); 1424 reportEvent(env, mCls, "onTdlsStatus", "(Ljava/lang/StringII;)V", 1425 mac_address, status.state, status.reason); 1426 1427} 1428 1429static jobject android_net_wifi_get_tdls_status(JNIEnv *env,jclass cls, jint iface,jstring addr) { 1430 wifi_interface_handle handle = getIfaceHandle(env, cls, iface); 1431 1432 mac_addr address; 1433 parseMacAddress(env, addr, address); 1434 1435 wifi_tdls_status status; 1436 1437 wifi_error ret; 1438 ret = hal_fn.wifi_get_tdls_status(handle, address, &status ); 1439 1440 if (ret != WIFI_SUCCESS) { 1441 return NULL; 1442 } else { 1443 jobject tdls_status = createObject(env, "com/android/server/wifi/WifiNative$TdlsStatus"); 1444 setIntField(env, tdls_status, "channel", status.channel); 1445 setIntField(env, tdls_status, "global_operating_class", status.global_operating_class); 1446 setIntField(env, tdls_status, "state", status.state); 1447 setIntField(env, tdls_status, "reason", status.reason); 1448 return tdls_status; 1449 } 1450} 1451 1452static jobject android_net_wifi_get_tdls_capabilities(JNIEnv *env, jclass cls, jint iface) { 1453 wifi_tdls_capabilities tdls_capabilities; 1454 wifi_interface_handle handle = getIfaceHandle(env, cls, iface); 1455 wifi_error ret = hal_fn.wifi_get_tdls_capabilities(handle, &tdls_capabilities); 1456 1457 if(WIFI_SUCCESS == ret) { 1458 jobject capabilities = createObject(env, 1459 "com/android/server/wifi/WifiNative$TdlsCapabilities"); 1460 setIntField(env, capabilities, "maxConcurrentTdlsSessionNumber", 1461 tdls_capabilities.max_concurrent_tdls_session_num); 1462 setBooleanField(env, capabilities, "isGlobalTdlsSupported", 1463 tdls_capabilities.is_global_tdls_supported == 1); 1464 setBooleanField(env, capabilities, "isPerMacTdlsSupported", 1465 tdls_capabilities.is_per_mac_tdls_supported == 1); 1466 setBooleanField(env,capabilities, "isOffChannelTdlsSupported", 1467 tdls_capabilities.is_off_channel_tdls_supported); 1468 1469 ALOGD("TDLS Max Concurrent Tdls Session Number is: %d", 1470 tdls_capabilities.max_concurrent_tdls_session_num); 1471 ALOGD("Global Tdls is: %s", tdls_capabilities.is_global_tdls_supported == 1 ? "support" : 1472 "not support"); 1473 ALOGD("Per Mac Tdls is: %s", tdls_capabilities.is_per_mac_tdls_supported == 1 ? "support" : 1474 "not support"); 1475 ALOGD("Off Channel Tdls is: %s", tdls_capabilities.is_off_channel_tdls_supported == 1 ? 1476 "support" : "not support"); 1477 1478 return capabilities; 1479 } else { 1480 return NULL; 1481 } 1482} 1483 1484// ---------------------------------------------------------------------------- 1485// Debug framework 1486// ---------------------------------------------------------------------------- 1487 1488static void onRingBufferData(char * ring_name, char * buffer, 1489int buffer_size, wifi_ring_buffer_status *status) { 1490 JNIEnv *env = NULL; 1491 mVM->AttachCurrentThread(&env, NULL); 1492 1493 ALOGD("onRingBufferData called, vm = %p, obj = %p, env = %p", mVM, mCls, env); 1494 1495 reportEvent(env, mCls, "onDataAvailable", "(I[Landroid/net/wifi/WiFiLogger$LogData;)V", 1496 0, 0); 1497} 1498 1499static jint android_net_wifi_get_supported_logger_feature(JNIEnv *env, jclass cls, jint iface){ 1500 //Not implemented yet 1501 wifi_interface_handle handle = getIfaceHandle(env, cls, iface); 1502 return -1; 1503} 1504 1505static jobject android_net_wifi_get_driver_version(JNIEnv *env, jclass cls, jint iface) { 1506 //Need to be fixed. The memory should be allocated from lower layer 1507 //char *buffer = NULL; 1508 int buffer_length = 256; 1509 char *buffer = (char *)malloc(buffer_length); 1510 if (!buffer) return NULL; 1511 memset(buffer, 0, buffer_length); 1512 wifi_interface_handle handle = getIfaceHandle(env, cls, iface); 1513 1514 ALOGD("android_net_wifi_get_driver_version = %p", handle); 1515 1516 if (handle == 0) { 1517 return NULL; 1518 } 1519 1520 wifi_error result = hal_fn.wifi_get_driver_version(handle, buffer, buffer_length); 1521 1522 if (result == WIFI_SUCCESS) { 1523 ALOGD("buffer is %p, length is %d", buffer, buffer_length); 1524 jstring driver_version = env->NewStringUTF(buffer); 1525 free(buffer); 1526 return driver_version; 1527 } else { 1528 ALOGD("Fail to get driver version"); 1529 return NULL; 1530 } 1531} 1532 1533static jobject android_net_wifi_get_firmware_version(JNIEnv *env, jclass cls, jint iface) { 1534 1535 //char *buffer = NULL; 1536 int buffer_length = 256; 1537 char *buffer = (char *)malloc(buffer_length); 1538 if (!buffer) return NULL; 1539 memset(buffer, 0, buffer_length); 1540 wifi_interface_handle handle = getIfaceHandle(env, cls, iface); 1541 1542 ALOGD("android_net_wifi_get_firmware_version = %p", handle); 1543 1544 if (handle == 0) { 1545 return NULL; 1546 } 1547 1548 wifi_error result = hal_fn.wifi_get_firmware_version(handle, buffer, buffer_length); 1549 1550 if (result == WIFI_SUCCESS) { 1551 ALOGD("buffer is %p, length is %d", buffer, buffer_length); 1552 jstring firmware_version = env->NewStringUTF(buffer); 1553 free(buffer); 1554 return firmware_version; 1555 } else { 1556 ALOGD("Fail to get Firmware version"); 1557 return NULL; 1558 } 1559} 1560 1561static jobject android_net_wifi_get_ring_buffer_status (JNIEnv *env, jclass cls, jint iface) { 1562 1563 wifi_interface_handle handle = getIfaceHandle(env, cls, iface); 1564 1565 ALOGD(" android_net_wifi_get_ring_buffer_status = %p", handle); 1566 1567 if (handle == 0) { 1568 return NULL; 1569 } 1570 1571 //wifi_ring_buffer_status *status = NULL; 1572 u32 num_rings = 10; 1573 wifi_ring_buffer_status *status = 1574 (wifi_ring_buffer_status *)malloc(sizeof(wifi_ring_buffer_status) * num_rings); 1575 if (!status) return NULL; 1576 memset(status, 0, sizeof(wifi_ring_buffer_status) * num_rings); 1577 wifi_error result = hal_fn.wifi_get_ring_buffers_status(handle, &num_rings, status); 1578 if (result == WIFI_SUCCESS) { 1579 ALOGD("status is %p, number is %d", status, num_rings); 1580 jclass clsRingBufferStatus = 1581 (env)->FindClass("com/android/server/wifi/WifiLogger$RingBufferStatus"); 1582 if (clsRingBufferStatus == NULL) { 1583 ALOGE("Error in accessing class"); 1584 free(status); 1585 return NULL; 1586 } 1587 jobjectArray ringBuffersStatus = env->NewObjectArray(num_rings,clsRingBufferStatus, NULL); 1588 wifi_ring_buffer_status *tmp = status; 1589 1590 for(u32 i = 0; i < num_rings; i++, tmp++) { 1591 jobject ringStatus = createObject(env, 1592 "com/android/server/wifi/WifiLogger$RingBufferStatus"); 1593 if (ringStatus == NULL) { 1594 ALOGE("Error in creating ringBufferStatus"); 1595 free(status); 1596 return NULL; 1597 } 1598 char name[32]; 1599 for(int j = 0; j < 32; j++) { 1600 name[j] = tmp->name[j]; 1601 } 1602 setStringField(env, ringStatus, "name", name); 1603 setIntField(env, ringStatus, "flag", tmp->flags); 1604 setIntField(env, ringStatus, "ringBufferId", tmp->ring_id); 1605 setIntField(env, ringStatus, "ringBufferByteSize", tmp->ring_buffer_byte_size); 1606 setIntField(env, ringStatus, "verboseLevel", tmp->verbose_level); 1607 setIntField(env, ringStatus, "writtenBytes", tmp->written_bytes); 1608 setIntField(env, ringStatus, "readBytes", tmp->read_bytes); 1609 setIntField(env, ringStatus, "writtenRecords", tmp->written_records); 1610 env->SetObjectArrayElement(ringBuffersStatus, i, ringStatus); 1611 } 1612 free(status); 1613 return ringBuffersStatus; 1614 } else { 1615 free(status); 1616 return NULL; 1617 } 1618} 1619 1620static void on_ring_buffer_data(char *ring_name, char *buffer, int buffer_size, 1621 wifi_ring_buffer_status *status) { 1622 if (!ring_name || !buffer || !status || 1623 (unsigned int)buffer_size <= sizeof(wifi_ring_buffer_entry)) { 1624 ALOGE("Error input for on_ring_buffer_data!"); 1625 } 1626 JNIEnv *env = NULL; 1627 mVM->AttachCurrentThread(&env, NULL); 1628 ALOGD("on_ring_buffer_data called, vm = %p, obj = %p, env = %p buffer size = %d", mVM, 1629 mCls, env, buffer_size); 1630 1631 jobject wifiLoggerEvent = createObject(env, 1632 "com/android/server/wifi/WifiNative$WifiLoggerEvent"); 1633 1634 //jstring reportBuffer = env->NewStringUTF(buffer); 1635 //setStringField(env, wifiLoggerEvent, "buffer", buffer); 1636 1637 jobject ringStatus = createObject(env, 1638 "com/android/server/wifi/WifiLogger$RingBufferStatus"); 1639 if (status == NULL) { 1640 ALOGE("Error in creating ringBufferStatus"); 1641 return; 1642 } 1643 1644 char name[32]; 1645 for(int j = 0; j < 32; j++) { 1646 name[j] = status->name[j]; 1647 } 1648 setStringField(env, ringStatus, "name", name); 1649 setIntField(env, ringStatus, "flag", status->flags); 1650 setIntField(env, ringStatus, "ringBufferId", status->ring_id); 1651 setIntField(env, ringStatus, "ringBufferByteSize", status->ring_buffer_byte_size); 1652 setIntField(env, ringStatus, "verboseLevel", status->verbose_level); 1653 setIntField(env, ringStatus, "writtenBytes", status->written_bytes); 1654 setIntField(env, ringStatus, "readBytes", status->read_bytes); 1655 setIntField(env, ringStatus, "writtenRecords", status->written_records); 1656 setObjectField(env, wifiLoggerEvent, "status", 1657 "Lcom/android/server/wifi/WifiLogger$RingBufferStatus;", ringStatus); 1658 //set entry 1659 wifi_ring_buffer_entry *buffer_entry = (wifi_ring_buffer_entry *) buffer; 1660 setIntField(env,wifiLoggerEvent, "entrySize", buffer_entry->entry_size); 1661 setIntField(env,wifiLoggerEvent, "flags", buffer_entry->flags); 1662 setIntField(env,wifiLoggerEvent, "type", buffer_entry->type); 1663 setLongField(env,wifiLoggerEvent, "timestamp", buffer_entry->timestamp); 1664 //set records 1665 int record_size = buffer_size - sizeof(wifi_ring_buffer_entry); 1666 if (buffer_entry->entry_size > 0) { 1667 jbyteArray records = env->NewByteArray(buffer_entry->entry_size); 1668 jbyte *bytes = (jbyte *) (buffer_entry + 1); 1669 env->SetByteArrayRegion(records, 0, buffer_entry->entry_size, bytes); 1670 setObjectField(env,wifiLoggerEvent, "entry", "[B", records); 1671 env->DeleteLocalRef(records); 1672 } 1673 1674 reportEvent(env, mCls,"onWifiLoggerEvent", 1675 "(Lcom/android/server/wifi/WifiNative$WifiLoggerEvent;)V", wifiLoggerEvent); 1676 1677 env->DeleteLocalRef(ringStatus); 1678 env->DeleteLocalRef(wifiLoggerEvent); 1679} 1680 1681static void on_alert_data(wifi_request_id id, char *buffer, int buffer_size, int err_code){ 1682 JNIEnv *env = NULL; 1683 mVM->AttachCurrentThread(&env, NULL); 1684 ALOGD(" on_alert_data called, vm = %p, obj = %p, env = %p buffer_size = %d, error code = %d" 1685 , mVM, mCls, env, buffer_size, err_code); 1686 1687 if (buffer_size > 0) { 1688 jbyteArray records = env->NewByteArray(buffer_size); 1689 jbyte *bytes = (jbyte *) buffer; 1690 env->SetByteArrayRegion(records, 0,buffer_size, bytes); 1691 reportEvent(env, mCls,"onWifiAlert","([B;I)V", records, err_code); 1692 env->DeleteLocalRef(records); 1693 } else { 1694 reportEvent(env, mCls,"onWifiAlert","([B;I)V", NULL, err_code); 1695 } 1696} 1697 1698 1699static jboolean android_net_wifi_start_logging_ring_buffer(JNIEnv *env, jclass cls, jint iface, 1700 jint verbose_level,jint flags, jint max_interval,jint min_data_size, jstring ring_name) { 1701 1702 wifi_interface_handle handle = getIfaceHandle(env, cls, iface); 1703 1704 ALOGD("android_net_wifi_start_logging_ring_buffer = %p", handle); 1705 1706 if (handle == 0) { 1707 return false; 1708 } 1709 1710 //set logging handler 1711 1712 //initialize the handler on first time 1713 wifi_ring_buffer_data_handler handler; 1714 handler.on_ring_buffer_data = &on_ring_buffer_data; 1715 int result = hal_fn.wifi_set_log_handler(0, handle, handler); 1716 if (result != WIFI_SUCCESS) { 1717 ALOGE("Fail to set logging handler"); 1718 return false; 1719 } else { 1720 ALOGE(" Successfully set on_ring_buffer_data"); 1721 } 1722 //set alter handler 1723 wifi_alert_handler alert_handler; 1724 alert_handler.on_alert = &on_alert_data; 1725 result = hal_fn.wifi_set_alert_handler(0, handle, alert_handler); 1726 if (result != WIFI_SUCCESS) { 1727 ALOGE(" Fail to set logging handler"); 1728 return false; 1729 } else { 1730 ALOGE(" Successfully set on_alert"); 1731 } 1732 1733 1734 const char* ring_name_const_char = env->GetStringUTFChars(ring_name, JNI_FALSE); 1735 int len; 1736 for(len = 0; ring_name_const_char[len] != 0; len++); 1737 1738 char* ring_name_char = (char*) malloc(len+1); 1739 memcpy(ring_name_char, ring_name_const_char, len+1); 1740 1741 int ret = hal_fn.wifi_start_logging(handle, verbose_level, flags, max_interval, min_data_size, 1742 ring_name_char); 1743 1744 if (ret != WIFI_SUCCESS) { 1745 ALOGE("Fail to start logging for ring %s", ring_name); 1746 } else { 1747 ALOGD("start logging for ring %s", ring_name); 1748 } 1749 env->ReleaseStringUTFChars(ring_name, ring_name_char); 1750 return ret == WIFI_SUCCESS; 1751} 1752 1753static jboolean android_net_wifi_get_ring_buffer_data(JNIEnv *env, jclass cls, jint iface, 1754 jstring ring_name) { 1755 wifi_interface_handle handle = getIfaceHandle(env, cls, iface); 1756 ALOGD("android_net_wifi_get_ring_buffer_data = %p", handle); 1757 1758 1759 const char* ring_name_const_char = env->GetStringUTFChars(ring_name, JNI_FALSE); 1760 int len; 1761 for(len = 0; ring_name_const_char[len] != 0; len++); 1762 char* ring_name_char = (char*) malloc(len+1); 1763 memcpy(ring_name_char, ring_name_const_char, len+1); 1764 1765 int result = hal_fn.wifi_get_ring_data(handle, ring_name_char); 1766 1767 if (result == WIFI_SUCCESS) 1768 ALOGD("Get Ring data command success\n"); 1769 else 1770 ALOGE("Failed to execute get ring data command\n"); 1771 1772 env->ReleaseStringUTFChars(ring_name, ring_name_char); 1773 return result == WIFI_SUCCESS; 1774} 1775 1776 1777void on_firmware_memory_dump(char *buffer, int buffer_size) { 1778 JNIEnv *env = NULL; 1779 mVM->AttachCurrentThread(&env, NULL); 1780 ALOGD("on_firmware_memory_dump called, vm = %p, obj = %p, env = %p buffer_size = %d" 1781 , mVM, mCls, env, buffer_size); 1782 1783 if (buffer_size > 0) { 1784 jbyteArray dump = env->NewByteArray(buffer_size); 1785 jbyte *bytes = (jbyte *) (buffer); 1786 env->SetByteArrayRegion(dump, 0, buffer_size, bytes); 1787 reportEvent(env, mCls,"onWifiFwMemoryAvailable","([B)V", dump); 1788 env->DeleteLocalRef(dump); 1789 } 1790 1791} 1792 1793static jboolean android_net_wifi_get_fw_memory_dump(JNIEnv *env, jclass cls, jint iface){ 1794 wifi_interface_handle handle = getIfaceHandle(env, cls, iface); 1795 ALOGD("android_net_wifi_get_fw_memory_dump = %p", handle); 1796 1797 if (handle == NULL) { 1798 ALOGE("Can not get wifi_interface_handle"); 1799 return false; 1800 } 1801 1802 wifi_firmware_memory_dump_handler fw_dump_handle; 1803 fw_dump_handle.on_firmware_memory_dump = on_firmware_memory_dump; 1804 int result = hal_fn.wifi_get_firmware_memory_dump(handle, fw_dump_handle); 1805 return result == WIFI_SUCCESS; 1806 1807} 1808 1809// ---------------------------------------------------------------------------- 1810// ePno framework 1811// ---------------------------------------------------------------------------- 1812 1813 1814static void onPnoNetworkFound(wifi_request_id id, 1815 unsigned num_results, wifi_scan_result *results) { 1816 JNIEnv *env = NULL; 1817 mVM->AttachCurrentThread(&env, NULL); 1818 1819 ALOGD("onPnoNetworkFound called, vm = %p, obj = %p, env = %p, num_results %u", 1820 mVM, mCls, env, num_results); 1821 1822 if (results == 0 || num_results == 0) { 1823 ALOGE("onPnoNetworkFound: Error no results"); 1824 return; 1825 } 1826 1827 jobject scanResult; 1828 jbyte *bytes; 1829 jobjectArray scanResults; 1830 //jbyteArray elements; 1831 1832 for (unsigned i=0; i<num_results; i++) { 1833 1834 scanResult = createScanResult(env, &results[i]); 1835 if (i == 0) { 1836 scanResults = env->NewObjectArray(num_results, 1837 env->FindClass("android/net/wifi/ScanResult"), scanResult); 1838 if (scanResults == 0) { 1839 ALOGD("cant allocate array"); 1840 } else { 1841 ALOGD("allocated array %u", env->GetArrayLength(scanResults)); 1842 } 1843 } else { 1844 env->SetObjectArrayElement(scanResults, i, scanResult); 1845 } 1846 1847 ALOGD("Scan result with ie length %d, i %u, <%s> rssi=%d %02x:%02x:%02x:%02x:%02x:%02x", 1848 results->ie_length, i, results[i].ssid, results[i].rssi, results[i].bssid[0], 1849 results[i].bssid[1],results[i].bssid[2], results[i].bssid[3], results[i].bssid[4], 1850 results[i].bssid[5]); 1851 1852 /*elements = env->NewByteArray(results->ie_length); 1853 if (elements == NULL) { 1854 ALOGE("Error in allocating array"); 1855 return; 1856 }*/ 1857 1858 //ALOGD("onPnoNetworkFound: Setting byte array"); 1859 1860 //bytes = (jbyte *)&(results->ie_data[0]); 1861 //env->SetByteArrayRegion(elements, 0, results->ie_length, bytes); 1862 1863 //ALOGD("onPnoNetworkFound: Returning result"); 1864 } 1865 1866 1867 ALOGD("calling report"); 1868 1869 reportEvent(env, mCls, "onPnoNetworkFound", "(I[Landroid/net/wifi/ScanResult;)V", id, 1870 scanResults); 1871 ALOGD("free ref"); 1872 1873 env->DeleteLocalRef(scanResults); 1874 //env->DeleteLocalRef(elements); 1875} 1876 1877static jboolean android_net_wifi_setPnoListNative( 1878 JNIEnv *env, jclass cls, jint iface, jint id, jobject list) { 1879 1880 wifi_epno_handler handler; 1881 handler.on_network_found = &onPnoNetworkFound; 1882 1883 wifi_interface_handle handle = getIfaceHandle(env, cls, iface); 1884 ALOGD("configure ePno list request [%d] = %p", id, handle); 1885 1886 if (list == NULL) { 1887 // stop pno 1888 int result = hal_fn.wifi_set_epno_list(id, handle, 0, NULL, handler); 1889 ALOGE(" setPnoListNative: STOP result = %d", result); 1890 return result >= 0; 1891 } 1892 1893 wifi_epno_network net_list[MAX_PNO_SSID]; 1894 memset(&net_list, 0, sizeof(net_list)); 1895 1896 size_t len = env->GetArrayLength((jobjectArray)list); 1897 if (len > (size_t)MAX_PNO_SSID) { 1898 return false; 1899 } 1900 1901 for (unsigned int i = 0; i < len; i++) { 1902 1903 jobject pno_net = env->GetObjectArrayElement((jobjectArray)list, i); 1904 if (pno_net == NULL) { 1905 ALOGD("setPnoListNative: could not get element %d", i); 1906 continue; 1907 } 1908 1909 jstring sssid = (jstring) getObjectField( 1910 env, pno_net, "SSID", "Ljava/lang/String;"); 1911 if (sssid == NULL) { 1912 ALOGE("Error setPnoListNative: getting ssid field"); 1913 return false; 1914 } 1915 1916 const char *ssid = env->GetStringUTFChars(sssid, NULL); 1917 if (ssid == NULL) { 1918 ALOGE("Error setPnoListNative: getting ssid"); 1919 return false; 1920 } 1921 int ssid_len = strnlen((const char*)ssid, 33); 1922 if (ssid_len > 32) { 1923 ALOGE("Error setPnoListNative: long ssid %u", strnlen((const char*)ssid, 256)); 1924 return false; 1925 } 1926 if (ssid_len > 1 && ssid[0] == '"' && ssid[ssid_len-1]) 1927 { 1928 // strip leading and trailing '"' 1929 ssid++; 1930 ssid_len-=2; 1931 } 1932 if (ssid_len == 0) { 1933 ALOGE("Error setPnoListNative: zero length ssid, skip it"); 1934 continue; 1935 } 1936 memcpy(net_list[i].ssid, ssid, ssid_len); 1937 1938 int rssit = getIntField(env, pno_net, "rssi_threshold"); 1939 net_list[i].rssi_threshold = (byte)rssit; 1940 int a = getIntField(env, pno_net, "auth"); 1941 net_list[i].auth_bit_field = a; 1942 int f = getIntField(env, pno_net, "flags"); 1943 net_list[i].flags = f; 1944 ALOGE(" setPnoListNative: idx %u rssi %d/%d auth %x/%x flags %x/%x [%s]", i, 1945 (signed)net_list[i].rssi_threshold, net_list[i].rssi_threshold, 1946 net_list[i].auth_bit_field, a, net_list[i].flags, f, net_list[i].ssid); 1947 } 1948 1949 int result = hal_fn.wifi_set_epno_list(id, handle, len, net_list, handler); 1950 ALOGE(" setPnoListNative: result %d", result); 1951 1952 return result >= 0; 1953} 1954 1955static jboolean android_net_wifi_setLazyRoam( 1956 JNIEnv *env, jclass cls, jint iface, jint id, jboolean enabled, jobject roam_param) { 1957 1958 jboolean status = true; 1959 wifi_roam_params params; 1960 memset(¶ms, 0, sizeof(params)); 1961 1962 wifi_interface_handle handle = getIfaceHandle(env, cls, iface); 1963 ALOGD("configure lazy roam request [%d] = %p", id, handle); 1964 1965 if (roam_param != NULL) { 1966 params.A_band_boost_threshold = getIntField(env, roam_param, "A_band_boost_threshold"); 1967 params.A_band_penalty_threshold = getIntField(env, roam_param, "A_band_penalty_threshold"); 1968 params.A_band_boost_factor = getIntField(env, roam_param, "A_band_boost_factor"); 1969 params.A_band_penalty_factor = getIntField(env, roam_param, "A_band_penalty_factor"); 1970 params.A_band_max_boost = getIntField(env, roam_param, "A_band_max_boost"); 1971 params.lazy_roam_hysteresis = getIntField(env, roam_param, "lazy_roam_hysteresis"); 1972 params.alert_roam_rssi_trigger = getIntField(env, roam_param, "alert_roam_rssi_trigger"); 1973 status = hal_fn.wifi_set_gscan_roam_params(id, handle, ¶ms); 1974 } 1975 ALOGE("android_net_wifi_setLazyRoam configured params status=%d\n", status); 1976 1977 if (status >= 0) { 1978 int doEnable = enabled ? 1 : 0; 1979 status = hal_fn.wifi_enable_lazy_roam(id, handle, doEnable); 1980 ALOGE("android_net_wifi_setLazyRoam enabled roam status=%d\n", status); 1981 } 1982 return status >= 0; 1983} 1984 1985// ---------------------------------------------------------------------------- 1986 1987/* 1988 * JNI registration. 1989 */ 1990static JNINativeMethod gWifiMethods[] = { 1991 /* name, signature, funcPtr */ 1992 1993 { "loadDriver", "()Z", (void *)android_net_wifi_loadDriver }, 1994 { "isDriverLoaded", "()Z", (void *)android_net_wifi_isDriverLoaded }, 1995 { "unloadDriver", "()Z", (void *)android_net_wifi_unloadDriver }, 1996 { "startSupplicant", "(Z)Z", (void *)android_net_wifi_startSupplicant }, 1997 { "killSupplicant", "(Z)Z", (void *)android_net_wifi_killSupplicant }, 1998 { "connectToSupplicantNative", "()Z", (void *)android_net_wifi_connectToSupplicant }, 1999 { "closeSupplicantConnectionNative", "()V", 2000 (void *)android_net_wifi_closeSupplicantConnection }, 2001 { "waitForEventNative", "()Ljava/lang/String;", (void*)android_net_wifi_waitForEvent }, 2002 { "doBooleanCommandNative", "(Ljava/lang/String;)Z", (void*)android_net_wifi_doBooleanCommand }, 2003 { "doIntCommandNative", "(Ljava/lang/String;)I", (void*)android_net_wifi_doIntCommand }, 2004 { "doStringCommandNative", "(Ljava/lang/String;)Ljava/lang/String;", 2005 (void*) android_net_wifi_doStringCommand }, 2006 { "startHalNative", "()Z", (void*) android_net_wifi_startHal }, 2007 { "stopHalNative", "()V", (void*) android_net_wifi_stopHal }, 2008 { "waitForHalEventNative", "()V", (void*) android_net_wifi_waitForHalEvents }, 2009 { "getInterfacesNative", "()I", (void*) android_net_wifi_getInterfaces}, 2010 { "getInterfaceNameNative", "(I)Ljava/lang/String;", (void*) android_net_wifi_getInterfaceName}, 2011 { "getScanCapabilitiesNative", "(ILcom/android/server/wifi/WifiNative$ScanCapabilities;)Z", 2012 (void *) android_net_wifi_getScanCapabilities}, 2013 { "startScanNative", "(IILcom/android/server/wifi/WifiNative$ScanSettings;)Z", 2014 (void*) android_net_wifi_startScan}, 2015 { "stopScanNative", "(II)Z", (void*) android_net_wifi_stopScan}, 2016 { "getScanResultsNative", "(IZ)[Landroid/net/wifi/WifiScanner$ScanData;", 2017 (void *) android_net_wifi_getScanResults}, 2018 { "setHotlistNative", "(IILandroid/net/wifi/WifiScanner$HotlistSettings;)Z", 2019 (void*) android_net_wifi_setHotlist}, 2020 { "resetHotlistNative", "(II)Z", (void*) android_net_wifi_resetHotlist}, 2021 { "trackSignificantWifiChangeNative", "(IILandroid/net/wifi/WifiScanner$WifiChangeSettings;)Z", 2022 (void*) android_net_wifi_trackSignificantWifiChange}, 2023 { "untrackSignificantWifiChangeNative", "(II)Z", 2024 (void*) android_net_wifi_untrackSignificantWifiChange}, 2025 { "getWifiLinkLayerStatsNative", "(I)Landroid/net/wifi/WifiLinkLayerStats;", 2026 (void*) android_net_wifi_getLinkLayerStats}, 2027 { "getSupportedFeatureSetNative", "(I)I", 2028 (void*) android_net_wifi_getSupportedFeatures}, 2029 { "requestRangeNative", "(II[Landroid/net/wifi/RttManager$RttParams;)Z", 2030 (void*) android_net_wifi_requestRange}, 2031 { "cancelRangeRequestNative", "(II[Landroid/net/wifi/RttManager$RttParams;)Z", 2032 (void*) android_net_wifi_cancelRange}, 2033 { "setScanningMacOuiNative", "(I[B)Z", (void*) android_net_wifi_setScanningMacOui}, 2034 { "getChannelsForBandNative", "(II)[I", (void*) android_net_wifi_getValidChannels}, 2035 { "setDfsFlagNative", "(IZ)Z", (void*) android_net_wifi_setDfsFlag}, 2036 { "toggleInterfaceNative", "(I)Z", (void*) android_net_wifi_toggle_interface}, 2037 { "getRttCapabilitiesNative", "(I)Landroid/net/wifi/RttManager$RttCapabilities;", 2038 (void*) android_net_wifi_get_rtt_capabilities}, 2039 {"setCountryCodeHalNative", "(ILjava/lang/String;)Z", 2040 (void*) android_net_wifi_set_Country_Code_Hal}, 2041 { "setPnoListNative", "(II[Lcom/android/server/wifi/WifiNative$WifiPnoNetwork;)Z", 2042 (void*) android_net_wifi_setPnoListNative}, 2043 {"enableDisableTdlsNative", "(IZLjava/lang/String;)Z", 2044 (void*) android_net_wifi_enable_disable_tdls}, 2045 {"getTdlsStatusNative", "(ILjava/lang/String;)Lcom/android/server/wifi/WifiNative$TdlsStatus;", 2046 (void*) android_net_wifi_get_tdls_status}, 2047 {"getTdlsCapabilitiesNative", "(I)Lcom/android/server/wifi/WifiNative$TdlsCapabilities;", 2048 (void*) android_net_wifi_get_tdls_capabilities}, 2049 {"getSupportedLoggerFeatureSetNative","(I)I", 2050 (void*) android_net_wifi_get_supported_logger_feature}, 2051 {"getDriverVersionNative", "(I)Ljava/lang/String;", 2052 (void*) android_net_wifi_get_driver_version}, 2053 {"getFirmwareVersionNative", "(I)Ljava/lang/String;", 2054 (void*) android_net_wifi_get_firmware_version}, 2055 {"getRingBufferStatusNative", "(I)[Lcom/android/server/wifi/WifiLogger$RingBufferStatus;", 2056 (void*) android_net_wifi_get_ring_buffer_status}, 2057 {"startLoggingRingBufferNative", "(IIIIILjava/lang/String;)Z", 2058 (void*) android_net_wifi_start_logging_ring_buffer}, 2059 {"getRingBufferDataNative", "(ILjava/lang/String;)Z", 2060 (void*) android_net_wifi_get_ring_buffer_data}, 2061 {"getFwMemoryDumpNative","(I)Z", (void*) android_net_wifi_get_fw_memory_dump}, 2062 { "setLazyRoam", "(IIZLcom/android/server/wifi/WifiNative$WifiLazyRoamParams;)Z", 2063 (void*) android_net_wifi_setLazyRoam} 2064}; 2065 2066int register_android_net_wifi_WifiNative(JNIEnv* env) { 2067 return AndroidRuntime::registerNativeMethods(env, 2068 "com/android/server/wifi/WifiNative", gWifiMethods, NELEM(gWifiMethods)); 2069} 2070 2071 2072/* User to register native functions */ 2073extern "C" 2074jint Java_com_android_server_wifi_WifiNative_registerNatives(JNIEnv* env, jclass clazz) { 2075 return AndroidRuntime::registerNativeMethods(env, 2076 "com/android/server/wifi/WifiNative", gWifiMethods, NELEM(gWifiMethods)); 2077} 2078 2079}; // namespace android 2080