com_android_server_wifi_WifiNative.cpp revision d4c25fd76644d5490700ae69fada4669de5193a1
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 34#define REPLY_BUF_SIZE 4096 // wpa_supplicant's maximum size. 35#define EVENT_BUF_SIZE 2048 36 37namespace android { 38 39static jint DBG = false; 40 41//Please put all HAL function call here and call from the function table instead of directly call 42static wifi_hal_fn hal_fn; 43int init_wifi_hal_func_table(wifi_hal_fn *hal_fn) { 44 if (hal_fn == NULL) { 45 return -1; 46 } 47 48 hal_fn->wifi_initialize = wifi_initialize_stub; 49 hal_fn->wifi_cleanup = wifi_cleanup_stub; 50 hal_fn->wifi_event_loop = wifi_event_loop_stub; 51 hal_fn->wifi_get_error_info = wifi_get_error_info_stub; 52 hal_fn->wifi_get_supported_feature_set = wifi_get_supported_feature_set_stub; 53 hal_fn->wifi_get_concurrency_matrix = wifi_get_concurrency_matrix_stub; 54 hal_fn->wifi_set_scanning_mac_oui = wifi_set_scanning_mac_oui_stub; 55 hal_fn->wifi_get_supported_channels = wifi_get_supported_channels_stub; 56 hal_fn->wifi_is_epr_supported = wifi_is_epr_supported_stub; 57 hal_fn->wifi_get_ifaces = wifi_get_ifaces_stub; 58 hal_fn->wifi_get_iface_name = wifi_get_iface_name_stub; 59 hal_fn->wifi_reset_iface_event_handler = wifi_reset_iface_event_handler_stub; 60 hal_fn->wifi_start_gscan = wifi_start_gscan_stub; 61 hal_fn->wifi_stop_gscan = wifi_stop_gscan_stub; 62 hal_fn->wifi_get_cached_gscan_results = wifi_get_cached_gscan_results_stub; 63 hal_fn->wifi_set_bssid_hotlist = wifi_set_bssid_hotlist_stub; 64 hal_fn->wifi_reset_bssid_hotlist = wifi_reset_bssid_hotlist_stub; 65 hal_fn->wifi_set_significant_change_handler = wifi_set_significant_change_handler_stub; 66 hal_fn->wifi_reset_significant_change_handler = wifi_reset_significant_change_handler_stub; 67 hal_fn->wifi_get_gscan_capabilities = wifi_get_gscan_capabilities_stub; 68 hal_fn->wifi_set_link_stats = wifi_set_link_stats_stub; 69 hal_fn->wifi_get_link_stats = wifi_get_link_stats_stub; 70 hal_fn->wifi_clear_link_stats = wifi_clear_link_stats_stub; 71 hal_fn->wifi_get_valid_channels = wifi_get_valid_channels_stub; 72 hal_fn->wifi_rtt_range_request = wifi_rtt_range_request_stub; 73 hal_fn->wifi_rtt_range_cancel = wifi_rtt_range_cancel_stub; 74 hal_fn->wifi_get_rtt_capabilities = wifi_get_rtt_capabilities_stub; 75 hal_fn->wifi_start_logging = wifi_start_logging_stub; 76 hal_fn->wifi_set_epno_list = wifi_set_epno_list_stub; 77 hal_fn->wifi_set_country_code = wifi_set_country_code_stub; 78 hal_fn->wifi_enable_tdls = wifi_enable_tdls_stub; 79 hal_fn->wifi_disable_tdls = wifi_disable_tdls_stub; 80 hal_fn->wifi_get_tdls_status = wifi_get_tdls_status_stub; 81 hal_fn->wifi_get_tdls_capabilities = wifi_get_tdls_capabilities_stub; 82 hal_fn->wifi_get_firmware_memory_dump = wifi_get_firmware_memory_dump_stub; 83 hal_fn->wifi_set_log_handler = wifi_set_log_handler_stub; 84 hal_fn->wifi_set_alert_handler = wifi_set_alert_handler_stub; 85 hal_fn->wifi_get_firmware_version = wifi_get_firmware_version_stub; 86 hal_fn->wifi_get_ring_buffers_status = wifi_get_ring_buffers_status_stub; 87 hal_fn->wifi_get_logger_supported_feature_set = wifi_get_logger_supported_feature_set_stub; 88 hal_fn->wifi_get_ring_data = wifi_get_ring_data_stub; 89 hal_fn->wifi_get_driver_version = wifi_get_driver_version_stub; 90 hal_fn->wifi_set_country_code = wifi_set_country_code; 91 hal_fn->wifi_set_ssid_white_list = wifi_set_ssid_white_list; 92 hal_fn->wifi_set_gscan_roam_params = wifi_set_gscan_roam_params; 93 hal_fn->wifi_set_bssid_preference = wifi_set_bssid_preference; 94 hal_fn->wifi_enable_lazy_roam = wifi_enable_lazy_roam; 95 hal_fn->wifi_set_bssid_blacklist = wifi_set_bssid_blacklist; 96 return 0; 97} 98 99 100static bool doCommand(JNIEnv* env, jstring javaCommand, 101 char* reply, size_t reply_len) { 102 ScopedUtfChars command(env, javaCommand); 103 if (command.c_str() == NULL) { 104 return false; // ScopedUtfChars already threw on error. 105 } 106 107 if (DBG) { 108 ALOGD("doCommand: %s", command.c_str()); 109 } 110 111 --reply_len; // Ensure we have room to add NUL termination. 112 if (::wifi_command(command.c_str(), reply, &reply_len) != 0) { 113 return false; 114 } 115 116 // Strip off trailing newline. 117 if (reply_len > 0 && reply[reply_len-1] == '\n') { 118 reply[reply_len-1] = '\0'; 119 } else { 120 reply[reply_len] = '\0'; 121 } 122 return true; 123} 124 125static jint doIntCommand(JNIEnv* env, jstring javaCommand) { 126 char reply[REPLY_BUF_SIZE]; 127 if (!doCommand(env, javaCommand, reply, sizeof(reply))) { 128 return -1; 129 } 130 return static_cast<jint>(atoi(reply)); 131} 132 133static jboolean doBooleanCommand(JNIEnv* env, jstring javaCommand) { 134 char reply[REPLY_BUF_SIZE]; 135 if (!doCommand(env, javaCommand, reply, sizeof(reply))) { 136 return JNI_FALSE; 137 } 138 return (strcmp(reply, "OK") == 0); 139} 140 141// Send a command to the supplicant, and return the reply as a String. 142static jstring doStringCommand(JNIEnv* env, jstring javaCommand) { 143 char reply[REPLY_BUF_SIZE]; 144 if (!doCommand(env, javaCommand, reply, sizeof(reply))) { 145 return NULL; 146 } 147 return env->NewStringUTF(reply); 148} 149 150static jboolean android_net_wifi_isDriverLoaded(JNIEnv* env, jobject) 151{ 152 return (::is_wifi_driver_loaded() == 1); 153} 154 155static jboolean android_net_wifi_loadDriver(JNIEnv* env, jobject) 156{ 157 return (::wifi_load_driver() == 0); 158} 159 160static jboolean android_net_wifi_unloadDriver(JNIEnv* env, jobject) 161{ 162 return (::wifi_unload_driver() == 0); 163} 164 165static jboolean android_net_wifi_startSupplicant(JNIEnv* env, jobject, jboolean p2pSupported) 166{ 167 return (::wifi_start_supplicant(p2pSupported) == 0); 168} 169 170static jboolean android_net_wifi_killSupplicant(JNIEnv* env, jobject, jboolean p2pSupported) 171{ 172 return (::wifi_stop_supplicant(p2pSupported) == 0); 173} 174 175static jboolean android_net_wifi_connectToSupplicant(JNIEnv* env, jobject) 176{ 177 return (::wifi_connect_to_supplicant() == 0); 178} 179 180static void android_net_wifi_closeSupplicantConnection(JNIEnv* env, jobject) 181{ 182 ::wifi_close_supplicant_connection(); 183} 184 185static jstring android_net_wifi_waitForEvent(JNIEnv* env, jobject) 186{ 187 char buf[EVENT_BUF_SIZE]; 188 int nread = ::wifi_wait_for_event(buf, sizeof buf); 189 if (nread > 0) { 190 return env->NewStringUTF(buf); 191 } else { 192 return NULL; 193 } 194} 195 196static jboolean android_net_wifi_doBooleanCommand(JNIEnv* env, jobject, jstring javaCommand) { 197 return doBooleanCommand(env, javaCommand); 198} 199 200static jint android_net_wifi_doIntCommand(JNIEnv* env, jobject, jstring javaCommand) { 201 return doIntCommand(env, javaCommand); 202} 203 204static jstring android_net_wifi_doStringCommand(JNIEnv* env, jobject, jstring javaCommand) { 205 return doStringCommand(env,javaCommand); 206} 207 208/* wifi_hal <==> WifiNative bridge */ 209 210static jclass mCls; /* saved WifiNative object */ 211static JavaVM *mVM; /* saved JVM pointer */ 212 213static const char *WifiHandleVarName = "sWifiHalHandle"; 214static const char *WifiIfaceHandleVarName = "sWifiIfaceHandles"; 215static jmethodID OnScanResultsMethodID; 216 217static JNIEnv *getEnv() { 218 JNIEnv *env = NULL; 219 mVM->AttachCurrentThread(&env, NULL); 220 return env; 221} 222 223static wifi_handle getWifiHandle(JNIEnv *env, jclass cls) { 224 return (wifi_handle) getStaticLongField(env, cls, WifiHandleVarName); 225} 226 227static wifi_interface_handle getIfaceHandle(JNIEnv *env, jclass cls, jint index) { 228 return (wifi_interface_handle) getStaticLongArrayField(env, cls, WifiIfaceHandleVarName, index); 229} 230 231static jobject createScanResult(JNIEnv *env, wifi_scan_result *result) { 232 233 // ALOGD("creating scan result"); 234 235 jobject scanResult = createObject(env, "android/net/wifi/ScanResult"); 236 if (scanResult == NULL) { 237 ALOGE("Error in creating scan result"); 238 return NULL; 239 } 240 241 ALOGE("setting SSID to %s", result->ssid); 242 //jstring jssid = env->NewStringUTF(result->ssid); 243 setStringField(env, scanResult, "SSID", result->ssid); 244 245 char bssid[32]; 246 sprintf(bssid, "%02x:%02x:%02x:%02x:%02x:%02x", result->bssid[0], result->bssid[1], 247 result->bssid[2], result->bssid[3], result->bssid[4], result->bssid[5]); 248 //jstring jbssid = env->NewStringUTF(bssid); 249 250 setStringField(env, scanResult, "BSSID", bssid); 251 252 setIntField(env, scanResult, "level", result->rssi); 253 setIntField(env, scanResult, "frequency", result->channel); 254 setLongField(env, scanResult, "timestamp", result->ts); 255 256 return scanResult; 257} 258 259int set_iface_flags(const char *ifname, int dev_up) { 260 struct ifreq ifr; 261 int ret; 262 int sock = socket(PF_INET, SOCK_DGRAM, 0); 263 if (sock < 0) { 264 ALOGD("Bad socket: %d\n", sock); 265 return -errno; 266 } 267 268 //ALOGD("setting interface %s flags (%s)\n", ifname, dev_up ? "UP" : "DOWN"); 269 270 memset(&ifr, 0, sizeof(ifr)); 271 strlcpy(ifr.ifr_name, ifname, IFNAMSIZ); 272 273 //ALOGD("reading old value\n"); 274 275 if (ioctl(sock, SIOCGIFFLAGS, &ifr) != 0) { 276 ret = errno ? -errno : -999; 277 ALOGE("Could not read interface %s flags: %d\n", ifname, errno); 278 close(sock); 279 return ret; 280 } else { 281 //ALOGD("writing new value\n"); 282 } 283 284 if (dev_up) { 285 if (ifr.ifr_flags & IFF_UP) { 286 // ALOGD("interface %s is already up\n", ifname); 287 close(sock); 288 return 0; 289 } 290 ifr.ifr_flags |= IFF_UP; 291 } else { 292 if (!(ifr.ifr_flags & IFF_UP)) { 293 // ALOGD("interface %s is already down\n", ifname); 294 close(sock); 295 return 0; 296 } 297 ifr.ifr_flags &= ~IFF_UP; 298 } 299 300 if (ioctl(sock, SIOCSIFFLAGS, &ifr) != 0) { 301 ALOGE("Could not set interface %s flags \n", ifname); 302 close(sock); 303 return ret; 304 } else { 305 ALOGD("set interface %s flags (%s)\n", ifname, dev_up ? "UP" : "DOWN"); 306 } 307 close(sock); 308 return 0; 309} 310 311static jboolean android_net_wifi_toggle_interface(JNIEnv* env, jclass cls, int toggle) { 312 return(set_iface_flags("wlan0", toggle) == 0); 313} 314 315static jboolean android_net_wifi_startHal(JNIEnv* env, jclass cls) { 316 wifi_handle halHandle = getWifiHandle(env, cls); 317 if (halHandle == NULL) { 318 319 if(init_wifi_hal_func_table(&hal_fn) != 0 ) { 320 ALOGD("Can not initialize the basic function pointer table"); 321 return false; 322 } 323 324 wifi_error res = init_wifi_vendor_hal_func_table(&hal_fn); 325 if (res != WIFI_SUCCESS) { 326 ALOGD("Can not initialize the vendor function pointer table"); 327 return false; 328 } 329 330 int ret = set_iface_flags("wlan0", 1); 331 if(ret != 0) { 332 return false; 333 } 334 335 res = hal_fn.wifi_initialize(&halHandle); 336 if (res == WIFI_SUCCESS) { 337 setStaticLongField(env, cls, WifiHandleVarName, (jlong)halHandle); 338 ALOGD("Did set static halHandle = %p", halHandle); 339 } 340 env->GetJavaVM(&mVM); 341 mCls = (jclass) env->NewGlobalRef(cls); 342 ALOGD("halHandle = %p, mVM = %p, mCls = %p", halHandle, mVM, mCls); 343 return res == WIFI_SUCCESS; 344 } else { 345 return (set_iface_flags("wlan0", 1) == 0); 346 } 347} 348 349void android_net_wifi_hal_cleaned_up_handler(wifi_handle handle) { 350 ALOGD("In wifi cleaned up handler"); 351 352 JNIEnv * env = getEnv(); 353 setStaticLongField(env, mCls, WifiHandleVarName, 0); 354 env->DeleteGlobalRef(mCls); 355 mCls = NULL; 356 mVM = NULL; 357} 358 359static void android_net_wifi_stopHal(JNIEnv* env, jclass cls) { 360 ALOGD("In wifi stop Hal"); 361 362 wifi_handle halHandle = getWifiHandle(env, cls); 363 hal_fn.wifi_cleanup(halHandle, android_net_wifi_hal_cleaned_up_handler); 364 set_iface_flags("wlan0", 0); 365} 366 367static void android_net_wifi_waitForHalEvents(JNIEnv* env, jclass cls) { 368 369 ALOGD("waitForHalEvents called, vm = %p, obj = %p, env = %p", mVM, mCls, env); 370 371 wifi_handle halHandle = getWifiHandle(env, cls); 372 hal_fn.wifi_event_loop(halHandle); 373} 374 375static int android_net_wifi_getInterfaces(JNIEnv *env, jclass cls) { 376 int n = 0; 377 wifi_handle halHandle = getWifiHandle(env, cls); 378 wifi_interface_handle *ifaceHandles = NULL; 379 int result = hal_fn.wifi_get_ifaces(halHandle, &n, &ifaceHandles); 380 if (result < 0) { 381 return result; 382 } 383 384 if (n < 0) { 385 THROW(env, "android_net_wifi_getInterfaces no interfaces"); 386 return 0; 387 } 388 389 if (ifaceHandles == NULL) { 390 THROW(env, "android_net_wifi_getInterfaces null interface array"); 391 return 0; 392 } 393 394 if (n > 8) { 395 THROW(env, "Too many interfaces"); 396 return 0; 397 } 398 399 jlongArray array = (env)->NewLongArray(n); 400 if (array == NULL) { 401 THROW(env, "Error in accessing array"); 402 return 0; 403 } 404 405 jlong elems[8]; 406 for (int i = 0; i < n; i++) { 407 elems[i] = reinterpret_cast<jlong>(ifaceHandles[i]); 408 } 409 env->SetLongArrayRegion(array, 0, n, elems); 410 setStaticLongArrayField(env, cls, WifiIfaceHandleVarName, array); 411 412 return (result < 0) ? result : n; 413} 414 415static jstring android_net_wifi_getInterfaceName(JNIEnv *env, jclass cls, jint i) { 416 char buf[EVENT_BUF_SIZE]; 417 418 jlong value = getStaticLongArrayField(env, cls, WifiIfaceHandleVarName, i); 419 wifi_interface_handle handle = (wifi_interface_handle) value; 420 int result = hal_fn.wifi_get_iface_name(handle, buf, sizeof(buf)); 421 if (result < 0) { 422 return NULL; 423 } else { 424 return env->NewStringUTF(buf); 425 } 426} 427 428 429static void onScanResultsAvailable(wifi_request_id id, unsigned num_results) { 430 431 JNIEnv *env = NULL; 432 mVM->AttachCurrentThread(&env, NULL); 433 434 ALOGD("onScanResultsAvailable called, vm = %p, obj = %p, env = %p", mVM, mCls, env); 435 436 reportEvent(env, mCls, "onScanResultsAvailable", "(I)V", id); 437} 438 439static void onScanEvent(wifi_scan_event event, unsigned status) { 440 JNIEnv *env = NULL; 441 mVM->AttachCurrentThread(&env, NULL); 442 443 ALOGD("onScanStatus called, vm = %p, obj = %p, env = %p", mVM, mCls, env); 444 445 reportEvent(env, mCls, "onScanStatus", "(I)V", event); 446} 447 448static void onFullScanResult(wifi_request_id id, wifi_scan_result *result) { 449 450 JNIEnv *env = NULL; 451 mVM->AttachCurrentThread(&env, NULL); 452 453 ALOGD("onFullScanResult called, vm = %p, obj = %p, env = %p", mVM, mCls, env); 454 455 jobject scanResult = createScanResult(env, result); 456 457 ALOGD("Creating a byte array of length %d", result->ie_length); 458 459 jbyteArray elements = env->NewByteArray(result->ie_length); 460 if (elements == NULL) { 461 ALOGE("Error in allocating array"); 462 return; 463 } 464 465 ALOGE("Setting byte array"); 466 467 jbyte *bytes = (jbyte *)&(result->ie_data[0]); 468 env->SetByteArrayRegion(elements, 0, result->ie_length, bytes); 469 470 ALOGE("Returning result"); 471 472 reportEvent(env, mCls, "onFullScanResult", "(ILandroid/net/wifi/ScanResult;[B)V", id, 473 scanResult, elements); 474 475 env->DeleteLocalRef(scanResult); 476 env->DeleteLocalRef(elements); 477} 478 479static jboolean android_net_wifi_startScan( 480 JNIEnv *env, jclass cls, jint iface, jint id, jobject settings) { 481 482 wifi_interface_handle handle = getIfaceHandle(env, cls, iface); 483 ALOGD("starting scan on interface[%d] = %p", iface, handle); 484 485 wifi_scan_cmd_params params; 486 memset(¶ms, 0, sizeof(params)); 487 488 params.base_period = getIntField(env, settings, "base_period_ms"); 489 params.max_ap_per_scan = getIntField(env, settings, "max_ap_per_scan"); 490 params.report_threshold_percent = getIntField(env, settings, "report_threshold_percent"); 491 params.report_threshold_num_scans = getIntField(env, settings, "report_threshold_num_scans"); 492 493 ALOGD("Initialized common fields %d, %d, %d, %d", params.base_period, params.max_ap_per_scan, 494 params.report_threshold_percent, params.report_threshold_num_scans); 495 496 const char *bucket_array_type = "[Lcom/android/server/wifi/WifiNative$BucketSettings;"; 497 const char *channel_array_type = "[Lcom/android/server/wifi/WifiNative$ChannelSettings;"; 498 499 jobjectArray buckets = (jobjectArray)getObjectField(env, settings, "buckets", bucket_array_type); 500 params.num_buckets = getIntField(env, settings, "num_buckets"); 501 502 ALOGD("Initialized num_buckets to %d", params.num_buckets); 503 504 for (int i = 0; i < params.num_buckets; i++) { 505 jobject bucket = getObjectArrayField(env, settings, "buckets", bucket_array_type, i); 506 507 params.buckets[i].bucket = getIntField(env, bucket, "bucket"); 508 params.buckets[i].band = (wifi_band) getIntField(env, bucket, "band"); 509 params.buckets[i].period = getIntField(env, bucket, "period_ms"); 510 511 ALOGD("Initialized common bucket fields %d:%d:%d", params.buckets[i].bucket, 512 params.buckets[i].band, params.buckets[i].period); 513 514 int report_events = getIntField(env, bucket, "report_events"); 515 params.buckets[i].report_events = report_events; 516 517 ALOGD("Initialized report events to %d", params.buckets[i].report_events); 518 519 jobjectArray channels = (jobjectArray)getObjectField( 520 env, bucket, "channels", channel_array_type); 521 522 params.buckets[i].num_channels = getIntField(env, bucket, "num_channels"); 523 ALOGD("Initialized num_channels to %d", params.buckets[i].num_channels); 524 525 for (int j = 0; j < params.buckets[i].num_channels; j++) { 526 jobject channel = getObjectArrayField(env, bucket, "channels", channel_array_type, j); 527 528 params.buckets[i].channels[j].channel = getIntField(env, channel, "frequency"); 529 params.buckets[i].channels[j].dwellTimeMs = getIntField(env, channel, "dwell_time_ms"); 530 531 bool passive = getBoolField(env, channel, "passive"); 532 params.buckets[i].channels[j].passive = (passive ? 1 : 0); 533 534 // ALOGD("Initialized channel %d", params.buckets[i].channels[j].channel); 535 } 536 } 537 538 ALOGD("Initialized all fields"); 539 540 wifi_scan_result_handler handler; 541 memset(&handler, 0, sizeof(handler)); 542 handler.on_scan_results_available = &onScanResultsAvailable; 543 handler.on_full_scan_result = &onFullScanResult; 544 handler.on_scan_event = &onScanEvent; 545 546 return hal_fn.wifi_start_gscan(id, handle, params, handler) == WIFI_SUCCESS; 547} 548 549static jboolean android_net_wifi_stopScan(JNIEnv *env, jclass cls, jint iface, jint id) { 550 wifi_interface_handle handle = getIfaceHandle(env, cls, iface); 551 ALOGD("stopping scan on interface[%d] = %p", iface, handle); 552 553 return hal_fn.wifi_stop_gscan(id, handle) == WIFI_SUCCESS; 554} 555 556static int compare_scan_result_timestamp(const void *v1, const void *v2) { 557 const wifi_scan_result *result1 = static_cast<const wifi_scan_result *>(v1); 558 const wifi_scan_result *result2 = static_cast<const wifi_scan_result *>(v2); 559 return result1->ts - result2->ts; 560} 561 562static jobject android_net_wifi_getScanResults( 563 JNIEnv *env, jclass cls, jint iface, jboolean flush) { 564 565 wifi_cached_scan_results scan_data[64]; 566 int num_scan_data = 64; 567 568 wifi_interface_handle handle = getIfaceHandle(env, cls, iface); 569 ALOGD("getting scan results on interface[%d] = %p", iface, handle); 570 571 byte b = flush ? 0xFF : 0; 572 int result = hal_fn.wifi_get_cached_gscan_results(handle, b, num_scan_data, scan_data, &num_scan_data); 573 if (result == WIFI_SUCCESS) { 574 jobjectArray scanData = createObjectArray(env, 575 "android/net/wifi/WifiScanner$ScanData", num_scan_data); 576 if (scanData == NULL) { 577 ALOGE("Error in allocating array of scanData"); 578 return NULL; 579 } 580 581 for (int i = 0; i < num_scan_data; i++) { 582 583 jobject data = createObject(env, "android/net/wifi/WifiScanner$ScanData"); 584 if (data == NULL) { 585 ALOGE("Error in allocating scanData"); 586 return NULL; 587 } 588 589 setIntField(env, data, "mId", scan_data[i].scan_id); 590 setIntField(env, data, "mFlags", scan_data[i].flags); 591 592 /* sort all scan results by timestamp */ 593 qsort(scan_data[i].results, scan_data[i].num_results, 594 sizeof(wifi_scan_result), compare_scan_result_timestamp); 595 596 jobjectArray scanResults = createObjectArray(env, 597 "android/net/wifi/ScanResult", scan_data[i].num_results); 598 if (scanResults == NULL) { 599 ALOGE("Error in allocating scanResult array"); 600 return NULL; 601 } 602 603 wifi_scan_result *results = scan_data[i].results; 604 for (int j = 0; j < scan_data[i].num_results; j++) { 605 606 jobject scanResult = createObject(env, "android/net/wifi/ScanResult"); 607 if (scanResult == NULL) { 608 ALOGE("Error in creating scan result"); 609 return NULL; 610 } 611 612 setStringField(env, scanResult, "SSID", results[j].ssid); 613 614 char bssid[32]; 615 sprintf(bssid, "%02x:%02x:%02x:%02x:%02x:%02x", results[j].bssid[0], 616 results[j].bssid[1], results[j].bssid[2], results[j].bssid[3], 617 results[j].bssid[4], results[j].bssid[5]); 618 619 setStringField(env, scanResult, "BSSID", bssid); 620 621 setIntField(env, scanResult, "level", results[j].rssi); 622 setIntField(env, scanResult, "frequency", results[j].channel); 623 setLongField(env, scanResult, "timestamp", results[j].ts); 624 625 env->SetObjectArrayElement(scanResults, j, scanResult); 626 env->DeleteLocalRef(scanResult); 627 } 628 629 setObjectField(env, data, "mResults", "[Landroid/net/wifi/ScanResult;", scanResults); 630 env->SetObjectArrayElement(scanData, i, data); 631 } 632 633 return scanData; 634 } else { 635 return NULL; 636 } 637} 638 639 640static jboolean android_net_wifi_getScanCapabilities( 641 JNIEnv *env, jclass cls, jint iface, jobject capabilities) { 642 643 wifi_interface_handle handle = getIfaceHandle(env, cls, iface); 644 ALOGD("getting scan capabilities on interface[%d] = %p", iface, handle); 645 646 wifi_gscan_capabilities c; 647 memset(&c, 0, sizeof(c)); 648 int result = hal_fn.wifi_get_gscan_capabilities(handle, &c); 649 if (result != WIFI_SUCCESS) { 650 ALOGD("failed to get capabilities : %d", result); 651 return JNI_FALSE; 652 } 653 654 setIntField(env, capabilities, "max_scan_cache_size", c.max_scan_cache_size); 655 setIntField(env, capabilities, "max_scan_buckets", c.max_scan_buckets); 656 setIntField(env, capabilities, "max_ap_cache_per_scan", c.max_ap_cache_per_scan); 657 setIntField(env, capabilities, "max_rssi_sample_size", c.max_rssi_sample_size); 658 setIntField(env, capabilities, "max_scan_reporting_threshold", c.max_scan_reporting_threshold); 659 setIntField(env, capabilities, "max_hotlist_bssids", c.max_hotlist_bssids); 660 setIntField(env, capabilities, "max_significant_wifi_change_aps", 661 c.max_significant_wifi_change_aps); 662 663 return JNI_TRUE; 664} 665 666 667static byte parseHexChar(char ch) { 668 if (isdigit(ch)) 669 return ch - '0'; 670 else if ('A' <= ch && ch <= 'F') 671 return ch - 'A' + 10; 672 else if ('a' <= ch && ch <= 'f') 673 return ch - 'a' + 10; 674 else { 675 ALOGE("invalid character in bssid %c", ch); 676 return 0; 677 } 678} 679 680static byte parseHexByte(const char * &str) { 681 byte b = parseHexChar(str[0]); 682 if (str[1] == ':' || str[1] == '\0') { 683 str += 2; 684 return b; 685 } else { 686 b = b << 4 | parseHexChar(str[1]); 687 str += 3; 688 return b; 689 } 690} 691 692static void parseMacAddress(const char *str, mac_addr addr) { 693 addr[0] = parseHexByte(str); 694 addr[1] = parseHexByte(str); 695 addr[2] = parseHexByte(str); 696 addr[3] = parseHexByte(str); 697 addr[4] = parseHexByte(str); 698 addr[5] = parseHexByte(str); 699} 700 701static bool parseMacAddress(JNIEnv *env, jobject obj, mac_addr addr) { 702 jstring macAddrString = (jstring) getObjectField( 703 env, obj, "bssid", "Ljava/lang/String;"); 704 705 if (macAddrString == NULL) { 706 ALOGE("Error getting bssid field"); 707 return false; 708 } 709 710 const char *bssid = env->GetStringUTFChars(macAddrString, NULL); 711 if (bssid == NULL) { 712 ALOGE("Error getting bssid"); 713 return false; 714 } 715 716 parseMacAddress(bssid, addr); 717 return true; 718} 719 720static void onHotlistApFound(wifi_request_id id, 721 unsigned num_results, wifi_scan_result *results) { 722 723 JNIEnv *env = NULL; 724 mVM->AttachCurrentThread(&env, NULL); 725 726 ALOGD("onHotlistApFound called, vm = %p, obj = %p, env = %p, num_results = %d", 727 mVM, mCls, env, num_results); 728 729 jclass clsScanResult = (env)->FindClass("android/net/wifi/ScanResult"); 730 if (clsScanResult == NULL) { 731 ALOGE("Error in accessing class"); 732 return; 733 } 734 735 jobjectArray scanResults = env->NewObjectArray(num_results, clsScanResult, NULL); 736 if (scanResults == NULL) { 737 ALOGE("Error in allocating array"); 738 return; 739 } 740 741 for (unsigned i = 0; i < num_results; i++) { 742 743 jobject scanResult = createObject(env, "android/net/wifi/ScanResult"); 744 if (scanResult == NULL) { 745 ALOGE("Error in creating scan result"); 746 return; 747 } 748 749 setStringField(env, scanResult, "SSID", results[i].ssid); 750 751 char bssid[32]; 752 sprintf(bssid, "%02x:%02x:%02x:%02x:%02x:%02x", results[i].bssid[0], results[i].bssid[1], 753 results[i].bssid[2], results[i].bssid[3], results[i].bssid[4], results[i].bssid[5]); 754 755 setStringField(env, scanResult, "BSSID", bssid); 756 757 setIntField(env, scanResult, "level", results[i].rssi); 758 setIntField(env, scanResult, "frequency", results[i].channel); 759 setLongField(env, scanResult, "timestamp", results[i].ts); 760 761 env->SetObjectArrayElement(scanResults, i, scanResult); 762 763 ALOGD("Found AP %32s %s", results[i].ssid, bssid); 764 } 765 766 reportEvent(env, mCls, "onHotlistApFound", "(I[Landroid/net/wifi/ScanResult;)V", 767 id, scanResults); 768} 769 770static void onHotlistApLost(wifi_request_id id, 771 unsigned num_results, wifi_scan_result *results) { 772 773 JNIEnv *env = NULL; 774 mVM->AttachCurrentThread(&env, NULL); 775 776 ALOGD("onHotlistApLost called, vm = %p, obj = %p, env = %p, num_results = %d", 777 mVM, mCls, env, num_results); 778 779 jclass clsScanResult = (env)->FindClass("android/net/wifi/ScanResult"); 780 if (clsScanResult == NULL) { 781 ALOGE("Error in accessing class"); 782 return; 783 } 784 785 jobjectArray scanResults = env->NewObjectArray(num_results, clsScanResult, NULL); 786 if (scanResults == NULL) { 787 ALOGE("Error in allocating array"); 788 return; 789 } 790 791 for (unsigned i = 0; i < num_results; i++) { 792 793 jobject scanResult = createObject(env, "android/net/wifi/ScanResult"); 794 if (scanResult == NULL) { 795 ALOGE("Error in creating scan result"); 796 return; 797 } 798 799 setStringField(env, scanResult, "SSID", results[i].ssid); 800 801 char bssid[32]; 802 sprintf(bssid, "%02x:%02x:%02x:%02x:%02x:%02x", results[i].bssid[0], results[i].bssid[1], 803 results[i].bssid[2], results[i].bssid[3], results[i].bssid[4], results[i].bssid[5]); 804 805 setStringField(env, scanResult, "BSSID", bssid); 806 807 setIntField(env, scanResult, "level", results[i].rssi); 808 setIntField(env, scanResult, "frequency", results[i].channel); 809 setLongField(env, scanResult, "timestamp", results[i].ts); 810 811 env->SetObjectArrayElement(scanResults, i, scanResult); 812 813 ALOGD("Lost AP %32s %s", results[i].ssid, bssid); 814 } 815 816 reportEvent(env, mCls, "onHotlistApLost", "(I[Landroid/net/wifi/ScanResult;)V", 817 id, scanResults); 818} 819 820 821static jboolean android_net_wifi_setHotlist( 822 JNIEnv *env, jclass cls, jint iface, jint id, jobject ap) { 823 824 wifi_interface_handle handle = getIfaceHandle(env, cls, iface); 825 ALOGD("setting hotlist on interface[%d] = %p", iface, handle); 826 827 wifi_bssid_hotlist_params params; 828 memset(¶ms, 0, sizeof(params)); 829 830 params.lost_ap_sample_size = getIntField(env, ap, "apLostThreshold"); 831 832 jobjectArray array = (jobjectArray) getObjectField(env, ap, 833 "bssidInfos", "[Landroid/net/wifi/WifiScanner$BssidInfo;"); 834 params.num_bssid = env->GetArrayLength(array); 835 836 if (params.num_bssid == 0) { 837 ALOGE("Error in accesing array"); 838 return false; 839 } 840 841 for (int i = 0; i < params.num_bssid; i++) { 842 jobject objAp = env->GetObjectArrayElement(array, i); 843 844 jstring macAddrString = (jstring) getObjectField( 845 env, objAp, "bssid", "Ljava/lang/String;"); 846 if (macAddrString == NULL) { 847 ALOGE("Error getting bssid field"); 848 return false; 849 } 850 851 const char *bssid = env->GetStringUTFChars(macAddrString, NULL); 852 if (bssid == NULL) { 853 ALOGE("Error getting bssid"); 854 return false; 855 } 856 parseMacAddress(bssid, params.ap[i].bssid); 857 858 mac_addr addr; 859 memcpy(addr, params.ap[i].bssid, sizeof(mac_addr)); 860 861 char bssidOut[32]; 862 sprintf(bssidOut, "%0x:%0x:%0x:%0x:%0x:%0x", addr[0], addr[1], 863 addr[2], addr[3], addr[4], addr[5]); 864 865 ALOGD("Added bssid %s", bssidOut); 866 867 params.ap[i].low = getIntField(env, objAp, "low"); 868 params.ap[i].high = getIntField(env, objAp, "high"); 869 } 870 871 wifi_hotlist_ap_found_handler handler; 872 memset(&handler, 0, sizeof(handler)); 873 874 handler.on_hotlist_ap_found = &onHotlistApFound; 875 handler.on_hotlist_ap_lost = &onHotlistApLost; 876 return hal_fn.wifi_set_bssid_hotlist(id, handle, params, handler) == WIFI_SUCCESS; 877} 878 879static jboolean android_net_wifi_resetHotlist( 880 JNIEnv *env, jclass cls, jint iface, jint id) { 881 882 wifi_interface_handle handle = getIfaceHandle(env, cls, iface); 883 ALOGD("resetting hotlist on interface[%d] = %p", iface, handle); 884 885 return hal_fn.wifi_reset_bssid_hotlist(id, handle) == WIFI_SUCCESS; 886} 887 888void onSignificantWifiChange(wifi_request_id id, 889 unsigned num_results, wifi_significant_change_result **results) { 890 JNIEnv *env = NULL; 891 mVM->AttachCurrentThread(&env, NULL); 892 893 ALOGD("onSignificantWifiChange called, vm = %p, obj = %p, env = %p", mVM, mCls, env); 894 895 jclass clsScanResult = (env)->FindClass("android/net/wifi/ScanResult"); 896 if (clsScanResult == NULL) { 897 ALOGE("Error in accessing class"); 898 return; 899 } 900 901 jobjectArray scanResults = env->NewObjectArray(num_results, clsScanResult, NULL); 902 if (scanResults == NULL) { 903 ALOGE("Error in allocating array"); 904 return; 905 } 906 907 for (unsigned i = 0; i < num_results; i++) { 908 909 wifi_significant_change_result result = *(results[i]); 910 911 jobject scanResult = createObject(env, "android/net/wifi/ScanResult"); 912 if (scanResult == NULL) { 913 ALOGE("Error in creating scan result"); 914 return; 915 } 916 917 // setStringField(env, scanResult, "SSID", results[i].ssid); 918 919 char bssid[32]; 920 sprintf(bssid, "%02x:%02x:%02x:%02x:%02x:%02x", result.bssid[0], result.bssid[1], 921 result.bssid[2], result.bssid[3], result.bssid[4], result.bssid[5]); 922 923 setStringField(env, scanResult, "BSSID", bssid); 924 925 setIntField(env, scanResult, "level", result.rssi[0]); 926 setIntField(env, scanResult, "frequency", result.channel); 927 // setLongField(env, scanResult, "timestamp", result.ts); 928 929 env->SetObjectArrayElement(scanResults, i, scanResult); 930 } 931 932 reportEvent(env, mCls, "onSignificantWifiChange", "(I[Landroid/net/wifi/ScanResult;)V", 933 id, scanResults); 934 935} 936 937static jboolean android_net_wifi_trackSignificantWifiChange( 938 JNIEnv *env, jclass cls, jint iface, jint id, jobject settings) { 939 940 wifi_interface_handle handle = getIfaceHandle(env, cls, iface); 941 ALOGD("tracking significant wifi change on interface[%d] = %p", iface, handle); 942 943 wifi_significant_change_params params; 944 memset(¶ms, 0, sizeof(params)); 945 946 params.rssi_sample_size = getIntField(env, settings, "rssiSampleSize"); 947 params.lost_ap_sample_size = getIntField(env, settings, "lostApSampleSize"); 948 params.min_breaching = getIntField(env, settings, "minApsBreachingThreshold"); 949 950 const char *bssid_info_array_type = "[Landroid/net/wifi/WifiScanner$BssidInfo;"; 951 jobjectArray bssids = (jobjectArray)getObjectField( 952 env, settings, "bssidInfos", bssid_info_array_type); 953 params.num_bssid = env->GetArrayLength(bssids); 954 955 if (params.num_bssid == 0) { 956 ALOGE("Error in accessing array"); 957 return false; 958 } 959 960 ALOGD("Initialized common fields %d, %d, %d, %d", params.rssi_sample_size, 961 params.lost_ap_sample_size, params.min_breaching, params.num_bssid); 962 963 for (int i = 0; i < params.num_bssid; i++) { 964 jobject objAp = env->GetObjectArrayElement(bssids, i); 965 966 jstring macAddrString = (jstring) getObjectField( 967 env, objAp, "bssid", "Ljava/lang/String;"); 968 if (macAddrString == NULL) { 969 ALOGE("Error getting bssid field"); 970 return false; 971 } 972 973 const char *bssid = env->GetStringUTFChars(macAddrString, NULL); 974 if (bssid == NULL) { 975 ALOGE("Error getting bssid"); 976 return false; 977 } 978 979 mac_addr addr; 980 parseMacAddress(bssid, addr); 981 memcpy(params.ap[i].bssid, addr, sizeof(mac_addr)); 982 983 char bssidOut[32]; 984 sprintf(bssidOut, "%02x:%02x:%02x:%02x:%02x:%02x", addr[0], addr[1], 985 addr[2], addr[3], addr[4], addr[5]); 986 987 params.ap[i].low = getIntField(env, objAp, "low"); 988 params.ap[i].high = getIntField(env, objAp, "high"); 989 990 ALOGD("Added bssid %s, [%04d, %04d]", bssidOut, params.ap[i].low, params.ap[i].high); 991 } 992 993 ALOGD("Added %d bssids", params.num_bssid); 994 995 wifi_significant_change_handler handler; 996 memset(&handler, 0, sizeof(handler)); 997 998 handler.on_significant_change = &onSignificantWifiChange; 999 return hal_fn.wifi_set_significant_change_handler(id, handle, params, handler) == WIFI_SUCCESS; 1000} 1001 1002static jboolean android_net_wifi_untrackSignificantWifiChange( 1003 JNIEnv *env, jclass cls, jint iface, jint id) { 1004 1005 wifi_interface_handle handle = getIfaceHandle(env, cls, iface); 1006 ALOGD("resetting significant wifi change on interface[%d] = %p", iface, handle); 1007 1008 return hal_fn.wifi_reset_significant_change_handler(id, handle) == WIFI_SUCCESS; 1009} 1010 1011wifi_iface_stat link_stat; 1012wifi_radio_stat radio_stat; // L release has support for only one radio 1013 1014void onLinkStatsResults(wifi_request_id id, wifi_iface_stat *iface_stat, 1015 int num_radios, wifi_radio_stat *radio_stats) 1016{ 1017 if (iface_stat != 0) { 1018 memcpy(&link_stat, iface_stat, sizeof(wifi_iface_stat)); 1019 } else { 1020 memset(&link_stat, 0, sizeof(wifi_iface_stat)); 1021 } 1022 1023 if (num_radios > 0 && radio_stats != 0) { 1024 memcpy(&radio_stat, radio_stats, sizeof(wifi_radio_stat)); 1025 } else { 1026 memset(&radio_stat, 0, sizeof(wifi_radio_stat)); 1027 } 1028} 1029 1030static jobject android_net_wifi_getLinkLayerStats (JNIEnv *env, jclass cls, jint iface) { 1031 1032 wifi_stats_result_handler handler; 1033 memset(&handler, 0, sizeof(handler)); 1034 handler.on_link_stats_results = &onLinkStatsResults; 1035 wifi_interface_handle handle = getIfaceHandle(env, cls, iface); 1036 int result = hal_fn.wifi_get_link_stats(0, handle, handler); 1037 if (result < 0) { 1038 ALOGE("android_net_wifi_getLinkLayerStats: failed to get link statistics\n"); 1039 return NULL; 1040 } 1041 1042 jobject wifiLinkLayerStats = createObject(env, "android/net/wifi/WifiLinkLayerStats"); 1043 if (wifiLinkLayerStats == NULL) { 1044 ALOGE("Error in allocating wifiLinkLayerStats"); 1045 return NULL; 1046 } 1047 1048 setIntField(env, wifiLinkLayerStats, "beacon_rx", link_stat.beacon_rx); 1049 setIntField(env, wifiLinkLayerStats, "rssi_mgmt", link_stat.rssi_mgmt); 1050 setLongField(env, wifiLinkLayerStats, "rxmpdu_be", link_stat.ac[WIFI_AC_BE].rx_mpdu); 1051 setLongField(env, wifiLinkLayerStats, "rxmpdu_bk", link_stat.ac[WIFI_AC_BK].rx_mpdu); 1052 setLongField(env, wifiLinkLayerStats, "rxmpdu_vi", link_stat.ac[WIFI_AC_VI].rx_mpdu); 1053 setLongField(env, wifiLinkLayerStats, "rxmpdu_vo", link_stat.ac[WIFI_AC_VO].rx_mpdu); 1054 setLongField(env, wifiLinkLayerStats, "txmpdu_be", link_stat.ac[WIFI_AC_BE].tx_mpdu); 1055 setLongField(env, wifiLinkLayerStats, "txmpdu_bk", link_stat.ac[WIFI_AC_BK].tx_mpdu); 1056 setLongField(env, wifiLinkLayerStats, "txmpdu_vi", link_stat.ac[WIFI_AC_VI].tx_mpdu); 1057 setLongField(env, wifiLinkLayerStats, "txmpdu_vo", link_stat.ac[WIFI_AC_VO].tx_mpdu); 1058 setLongField(env, wifiLinkLayerStats, "lostmpdu_be", link_stat.ac[WIFI_AC_BE].mpdu_lost); 1059 setLongField(env, wifiLinkLayerStats, "lostmpdu_bk", link_stat.ac[WIFI_AC_BK].mpdu_lost); 1060 setLongField(env, wifiLinkLayerStats, "lostmpdu_vi", link_stat.ac[WIFI_AC_VI].mpdu_lost); 1061 setLongField(env, wifiLinkLayerStats, "lostmpdu_vo", link_stat.ac[WIFI_AC_VO].mpdu_lost); 1062 setLongField(env, wifiLinkLayerStats, "retries_be", link_stat.ac[WIFI_AC_BE].retries); 1063 setLongField(env, wifiLinkLayerStats, "retries_bk", link_stat.ac[WIFI_AC_BK].retries); 1064 setLongField(env, wifiLinkLayerStats, "retries_vi", link_stat.ac[WIFI_AC_VI].retries); 1065 setLongField(env, wifiLinkLayerStats, "retries_vo", link_stat.ac[WIFI_AC_VO].retries); 1066 1067 1068 setIntField(env, wifiLinkLayerStats, "on_time", radio_stat.on_time); 1069 setIntField(env, wifiLinkLayerStats, "tx_time", radio_stat.tx_time); 1070 setIntField(env, wifiLinkLayerStats, "rx_time", radio_stat.rx_time); 1071 setIntField(env, wifiLinkLayerStats, "on_time_scan", radio_stat.on_time_scan); 1072 1073 return wifiLinkLayerStats; 1074} 1075 1076static jint android_net_wifi_getSupportedFeatures(JNIEnv *env, jclass cls, jint iface) { 1077 wifi_interface_handle handle = getIfaceHandle(env, cls, iface); 1078 feature_set set = 0; 1079 1080 wifi_error result = WIFI_SUCCESS; 1081 /* 1082 set = WIFI_FEATURE_INFRA 1083 | WIFI_FEATURE_INFRA_5G 1084 | WIFI_FEATURE_HOTSPOT 1085 | WIFI_FEATURE_P2P 1086 | WIFI_FEATURE_SOFT_AP 1087 | WIFI_FEATURE_GSCAN 1088 | WIFI_FEATURE_PNO 1089 | WIFI_FEATURE_TDLS 1090 | WIFI_FEATURE_EPR; 1091 */ 1092 1093 result = hal_fn.wifi_get_supported_feature_set(handle, &set); 1094 if (result == WIFI_SUCCESS) { 1095 ALOGD("wifi_get_supported_feature_set returned set = 0x%x", set); 1096 return set; 1097 } else { 1098 ALOGD("wifi_get_supported_feature_set returned error = 0x%x", result); 1099 return 0; 1100 } 1101} 1102 1103static void onRttResults(wifi_request_id id, unsigned num_results, wifi_rtt_result* results[]) { 1104 JNIEnv *env = NULL; 1105 mVM->AttachCurrentThread(&env, NULL); 1106 1107 ALOGD("onRttResults called, vm = %p, obj = %p, env = %p", mVM, mCls, env); 1108 1109 jclass clsRttResult = (env)->FindClass("android/net/wifi/RttManager$RttResult"); 1110 if (clsRttResult == NULL) { 1111 ALOGE("Error in accessing class"); 1112 return; 1113 } 1114 1115 jobjectArray rttResults = env->NewObjectArray(num_results, clsRttResult, NULL); 1116 if (rttResults == NULL) { 1117 ALOGE("Error in allocating array"); 1118 return; 1119 } 1120 1121 for (unsigned i = 0; i < num_results; i++) { 1122 1123 wifi_rtt_result *result = results[i]; 1124 1125 jobject rttResult = createObject(env, "android/net/wifi/RttManager$RttResult"); 1126 if (rttResult == NULL) { 1127 ALOGE("Error in creating rtt result"); 1128 return; 1129 } 1130 1131 char bssid[32]; 1132 sprintf(bssid, "%02x:%02x:%02x:%02x:%02x:%02x", result->addr[0], result->addr[1], 1133 result->addr[2], result->addr[3], result->addr[4], result->addr[5]); 1134 1135 setStringField(env, rttResult, "bssid", bssid); 1136 setIntField(env, rttResult, "burstNumber", result->burst_num); 1137 setIntField(env, rttResult, "measurementFrameNumber", result->measurement_number); 1138 setIntField(env, rttResult, "successMeasurementFrameNumber", result->success_number); 1139 setIntField(env, rttResult, "frameNumberPerBurstPeer", result->number_per_burst_peer); 1140 setIntField(env, rttResult, "status", result->status); 1141 setIntField(env, rttResult, "measurementType", result->type); 1142 setIntField(env, rttResult, "retryAfterDuration", result->retry_after_duration); 1143 setLongField(env, rttResult, "ts", result->ts); 1144 setIntField(env, rttResult, "rssi", result->rssi); 1145 setIntField(env, rttResult, "rssiSpread", result->rssi_spread); 1146 setIntField(env, rttResult, "txRate", result->tx_rate.bitrate); 1147 setIntField(env, rttResult, "rxRate", result->rx_rate.bitrate); 1148 setLongField(env, rttResult, "rtt", result->rtt); 1149 setLongField(env, rttResult, "rttStandardDeviation", result->rtt_sd); 1150 setIntField(env, rttResult, "distance", result->distance); 1151 setIntField(env, rttResult, "distanceStandardDeviation", result->distance_sd); 1152 setIntField(env, rttResult, "distanceSpread", result->distance_spread); 1153 setIntField(env, rttResult, "burstDuration", result->burst_duration); 1154 setIntField(env, rttResult, "negotiatedBurstNum", result->negotiated_burst_num); 1155 jobject LCI = createObject(env, "android/net/wifi/RttManager$WifiInformationElement"); 1156 if (result->LCI != NULL && result->LCI->len > 0) { 1157 ALOGD("Add LCI in result"); 1158 setByteField(env, LCI, "id", result->LCI->id); 1159 jbyteArray elements = env->NewByteArray(result->LCI->len); 1160 jbyte *bytes = (jbyte *)&(result->LCI->data[0]); 1161 env->SetByteArrayRegion(elements, 0, result->LCI->len, bytes); 1162 setObjectField(env, LCI, "data", "[B", elements); 1163 env->DeleteLocalRef(elements); 1164 } else { 1165 ALOGD("No LCI in result"); 1166 setByteField(env, LCI, "id", (byte)(0xff)); 1167 } 1168 setObjectField(env, rttResult, "LCI", 1169 "Landroid/net/wifi/RttManager$WifiInformationElement;", LCI); 1170 1171 jobject LCR = createObject(env, "android/net/wifi/RttManager$WifiInformationElement"); 1172 if (result->LCR != NULL && result->LCR->len > 0) { 1173 ALOGD("Add LCR in result"); 1174 setByteField(env, LCR, "id", result->LCR->id); 1175 jbyteArray elements = env->NewByteArray(result->LCI->len); 1176 jbyte *bytes = (jbyte *)&(result->LCR->data[0]); 1177 env->SetByteArrayRegion(elements, 0, result->LCI->len, bytes); 1178 setObjectField(env, LCR, "data", "[B", elements); 1179 env->DeleteLocalRef(elements); 1180 } else { 1181 ALOGD("No LCR in result"); 1182 setByteField(env, LCR, "id", (byte)(0xff)); 1183 } 1184 setObjectField(env, rttResult, "LCR", 1185 "Landroid/net/wifi/RttManager$WifiInformationElement;", LCR); 1186 1187 env->SetObjectArrayElement(rttResults, i, rttResult); 1188 env->DeleteLocalRef(LCI); 1189 env->DeleteLocalRef(LCR); 1190 env->DeleteLocalRef(rttResult); 1191 } 1192 1193 reportEvent(env, mCls, "onRttResults", "(I[Landroid/net/wifi/RttManager$RttResult;)V", 1194 id, rttResults); 1195 1196 //clean the local reference 1197 env->DeleteLocalRef(rttResults); 1198 env->DeleteLocalRef(clsRttResult); 1199 1200} 1201 1202const int MaxRttConfigs = 16; 1203 1204static jboolean android_net_wifi_requestRange( 1205 JNIEnv *env, jclass cls, jint iface, jint id, jobject params) { 1206 1207 wifi_interface_handle handle = getIfaceHandle(env, cls, iface); 1208 ALOGD("sending rtt request [%d] = %p", id, handle); 1209 1210 wifi_rtt_config configs[MaxRttConfigs]; 1211 memset(&configs, 0, sizeof(configs)); 1212 1213 int len = env->GetArrayLength((jobjectArray)params); 1214 if (len > MaxRttConfigs) { 1215 return false; 1216 } 1217 1218 for (int i = 0; i < len; i++) { 1219 1220 jobject param = env->GetObjectArrayElement((jobjectArray)params, i); 1221 if (param == NULL) { 1222 ALOGD("could not get element %d", i); 1223 continue; 1224 } 1225 1226 wifi_rtt_config &config = configs[i]; 1227 1228 parseMacAddress(env, param, config.addr); 1229 config.type = (wifi_rtt_type)getIntField(env, param, "requestType"); 1230 config.peer = (rtt_peer_type)getIntField(env, param, "deviceType"); 1231 config.channel.center_freq = getIntField(env, param, "frequency"); 1232 config.channel.width = (wifi_channel_width) getIntField(env, param, "channelWidth"); 1233 config.channel.center_freq0 = getIntField(env, param, "centerFreq0"); 1234 config.channel.center_freq1 = getIntField(env, param, "centerFreq1"); 1235 1236 config.num_burst = getIntField(env, param, "numberBurst"); 1237 config.burst_period = (unsigned) getIntField(env, param, "interval"); 1238 config.num_frames_per_burst = (unsigned) getIntField(env, param, "numSamplesPerBurst"); 1239 config.num_retries_per_rtt_frame = (unsigned) getIntField(env, param, 1240 "numRetriesPerMeasurementFrame"); 1241 config.num_retries_per_ftmr = (unsigned) getIntField(env, param, "numRetriesPerFTMR"); 1242 config.LCI_request = getBoolField(env, param, "LCIRequest") ? 1 : 0; 1243 config.LCR_request = getBoolField(env, param, "LCRRequest") ? 1 : 0; 1244 config.burst_duration = (unsigned) getIntField(env, param, "burstTimeout"); 1245 config.preamble = (wifi_rtt_preamble) getIntField(env, param, "preamble"); 1246 config.bw = (wifi_rtt_bw) getIntField(env, param, "bandwidth"); 1247 1248 ALOGD("RTT request destination %d: type is %d, peer is %d, bw is %d, center_freq is %d ", i, 1249 config.type,config.peer, config.channel.width, config.channel.center_freq0); 1250 ALOGD("center_freq0 is %d, center_freq1 is %d, num_burst is %d,interval is %d", 1251 config.channel.center_freq0, config.channel.center_freq1, config.num_burst, 1252 config.burst_period); 1253 ALOGD("frames_per_burst is %d, retries of measurement frame is %d, retries_per_ftmr is %d", 1254 config.num_frames_per_burst, config.num_retries_per_rtt_frame, 1255 config.num_retries_per_ftmr); 1256 ALOGD("LCI_requestis %d, LCR_request is %d, burst_timeout is %d, preamble is %d, bw is %d", 1257 config.LCI_request, config.LCR_request, config.burst_duration, config.preamble, 1258 config.bw); 1259 } 1260 1261 wifi_rtt_event_handler handler; 1262 handler.on_rtt_results = &onRttResults; 1263 1264 return hal_fn.wifi_rtt_range_request(id, handle, len, configs, handler) == WIFI_SUCCESS; 1265} 1266 1267static jboolean android_net_wifi_cancelRange( 1268 JNIEnv *env, jclass cls, jint iface, jint id, jobject params) { 1269 1270 wifi_interface_handle handle = getIfaceHandle(env, cls, iface); 1271 ALOGD("cancelling rtt request [%d] = %p", id, handle); 1272 1273 mac_addr addrs[MaxRttConfigs]; 1274 memset(&addrs, 0, sizeof(addrs)); 1275 1276 int len = env->GetArrayLength((jobjectArray)params); 1277 if (len > MaxRttConfigs) { 1278 return false; 1279 } 1280 1281 for (int i = 0; i < len; i++) { 1282 1283 jobject param = env->GetObjectArrayElement((jobjectArray)params, i); 1284 if (param == NULL) { 1285 ALOGD("could not get element %d", i); 1286 continue; 1287 } 1288 1289 parseMacAddress(env, param, addrs[i]); 1290 } 1291 1292 return hal_fn.wifi_rtt_range_cancel(id, handle, len, addrs) == WIFI_SUCCESS; 1293} 1294 1295static jboolean android_net_wifi_setScanningMacOui(JNIEnv *env, jclass cls, 1296 jint iface, jbyteArray param) { 1297 1298 wifi_interface_handle handle = getIfaceHandle(env, cls, iface); 1299 ALOGD("setting scan oui %p", handle); 1300 1301 static const unsigned oui_len = 3; /* OUI is upper 3 bytes of mac_address */ 1302 int len = env->GetArrayLength(param); 1303 if (len != oui_len) { 1304 ALOGE("invalid oui length %d", len); 1305 return false; 1306 } 1307 1308 jbyte* bytes = env->GetByteArrayElements(param, NULL); 1309 if (bytes == NULL) { 1310 ALOGE("failed to get array"); 1311 return false; 1312 } 1313 1314 return hal_fn.wifi_set_scanning_mac_oui(handle, (byte *)bytes) == WIFI_SUCCESS; 1315} 1316 1317static jintArray android_net_wifi_getValidChannels(JNIEnv *env, jclass cls, 1318 jint iface, jint band) { 1319 1320 wifi_interface_handle handle = getIfaceHandle(env, cls, iface); 1321 ALOGD("getting valid channels %p", handle); 1322 1323 static const int MaxChannels = 64; 1324 wifi_channel channels[64]; 1325 int num_channels = 0; 1326 wifi_error result = hal_fn.wifi_get_valid_channels(handle, band, MaxChannels, 1327 channels, &num_channels); 1328 1329 if (result == WIFI_SUCCESS) { 1330 jintArray channelArray = env->NewIntArray(num_channels); 1331 if (channelArray == NULL) { 1332 ALOGE("failed to allocate channel list"); 1333 return NULL; 1334 } 1335 1336 env->SetIntArrayRegion(channelArray, 0, num_channels, channels); 1337 return channelArray; 1338 } else { 1339 ALOGE("failed to get channel list : %d", result); 1340 return NULL; 1341 } 1342} 1343 1344static jboolean android_net_wifi_setDfsFlag(JNIEnv *env, jclass cls, jint iface, jboolean dfs) { 1345 wifi_interface_handle handle = getIfaceHandle(env, cls, iface); 1346 ALOGD("setting dfs flag to %s, %p", dfs ? "true" : "false", handle); 1347 1348 u32 nodfs = dfs ? 0 : 1; 1349 wifi_error result = hal_fn.wifi_set_nodfs_flag(handle, nodfs); 1350 return result == WIFI_SUCCESS; 1351} 1352 1353static jobject android_net_wifi_get_rtt_capabilities(JNIEnv *env, jclass cls, jint iface) { 1354 wifi_rtt_capabilities rtt_capabilities; 1355 wifi_interface_handle handle = getIfaceHandle(env, cls, iface); 1356 wifi_error ret = hal_fn.wifi_get_rtt_capabilities(handle, &rtt_capabilities); 1357 1358 if(WIFI_SUCCESS == ret) { 1359 jobject capabilities = createObject(env, "android/net/wifi/RttManager$RttCapabilities"); 1360 setBooleanField(env, capabilities, "oneSidedRttSupported", 1361 rtt_capabilities.rtt_one_sided_supported == 1); 1362 setBooleanField(env, capabilities, "twoSided11McRttSupported", 1363 rtt_capabilities.rtt_ftm_supported == 1); 1364 setBooleanField(env, capabilities, "lciSupported", 1365 rtt_capabilities.lci_support); 1366 setBooleanField(env,capabilities, "lcrSupported", 1367 rtt_capabilities.lcr_support); 1368 setIntField(env, capabilities, "preambleSupported", 1369 rtt_capabilities.preamble_support); 1370 setIntField(env, capabilities, "bwSupported", 1371 rtt_capabilities.bw_support); 1372 ALOGD("One side RTT is: %s", rtt_capabilities.rtt_one_sided_supported ==1 ? "support" : 1373 "not support"); 1374 ALOGD("Two side RTT is: %s", rtt_capabilities.rtt_ftm_supported == 1 ? "support" : 1375 "not support"); 1376 ALOGD("LCR is: %s", rtt_capabilities.lcr_support == 1 ? "support" : "not support"); 1377 1378 ALOGD("LCI is: %s", rtt_capabilities.lci_support == 1 ? "support" : "not support"); 1379 1380 ALOGD("Support Preamble is : %d support BW is %d", rtt_capabilities.preamble_support, 1381 rtt_capabilities.bw_support); 1382 return capabilities; 1383 } else { 1384 return NULL; 1385 } 1386} 1387 1388static jboolean android_net_wifi_set_Country_Code_Hal(JNIEnv *env,jclass cls, jint iface, 1389 jstring country_code) { 1390 1391 wifi_interface_handle handle = getIfaceHandle(env, cls, iface); 1392 const char *country = env->GetStringUTFChars(country_code, NULL); 1393 1394 ALOGD("set country code: %s", country); 1395 wifi_error res = hal_fn.wifi_set_country_code(handle, country); 1396 env->ReleaseStringUTFChars(country_code, country); 1397 1398 return res == WIFI_SUCCESS; 1399} 1400 1401static jboolean android_net_wifi_enable_disable_tdls(JNIEnv *env,jclass cls, jint iface, 1402 jboolean enable, jstring addr) { 1403 wifi_interface_handle handle = getIfaceHandle(env, cls, iface); 1404 1405 mac_addr address; 1406 parseMacAddress(env, addr, address); 1407 wifi_tdls_handler tdls_handler; 1408 //tdls_handler.on_tdls_state_changed = &on_tdls_state_changed; 1409 1410 if(enable) { 1411 return (hal_fn.wifi_enable_tdls(handle, address, NULL, tdls_handler) == WIFI_SUCCESS); 1412 } else { 1413 return (hal_fn.wifi_disable_tdls(handle, address) == WIFI_SUCCESS); 1414 } 1415} 1416 1417static void on_tdls_state_changed(mac_addr addr, wifi_tdls_status status) { 1418 JNIEnv *env = NULL; 1419 mVM->AttachCurrentThread(&env, NULL); 1420 1421 ALOGD("on_tdls_state_changed is called: vm = %p, obj = %p, env = %p", mVM, mCls, env); 1422 1423 char mac[32]; 1424 sprintf(mac, "%02x:%02x:%02x:%02x:%02x:%02x", addr[0], addr[1], addr[2], addr[3], addr[4], 1425 addr[5]); 1426 1427 jstring mac_address = env->NewStringUTF(mac); 1428 reportEvent(env, mCls, "onTdlsStatus", "(Ljava/lang/StringII;)V", 1429 mac_address, status.state, status.reason); 1430 1431} 1432 1433static jobject android_net_wifi_get_tdls_status(JNIEnv *env,jclass cls, jint iface,jstring addr) { 1434 wifi_interface_handle handle = getIfaceHandle(env, cls, iface); 1435 1436 mac_addr address; 1437 parseMacAddress(env, addr, address); 1438 1439 wifi_tdls_status status; 1440 1441 wifi_error ret; 1442 ret = hal_fn.wifi_get_tdls_status(handle, address, &status ); 1443 1444 if (ret != WIFI_SUCCESS) { 1445 return NULL; 1446 } else { 1447 jobject tdls_status = createObject(env, "com/android/server/wifi/WifiNative$TdlsStatus"); 1448 setIntField(env, tdls_status, "channel", status.channel); 1449 setIntField(env, tdls_status, "global_operating_class", status.global_operating_class); 1450 setIntField(env, tdls_status, "state", status.state); 1451 setIntField(env, tdls_status, "reason", status.reason); 1452 return tdls_status; 1453 } 1454} 1455 1456static jobject android_net_wifi_get_tdls_capabilities(JNIEnv *env, jclass cls, jint iface) { 1457 wifi_tdls_capabilities tdls_capabilities; 1458 wifi_interface_handle handle = getIfaceHandle(env, cls, iface); 1459 wifi_error ret = hal_fn.wifi_get_tdls_capabilities(handle, &tdls_capabilities); 1460 1461 if(WIFI_SUCCESS == ret) { 1462 jobject capabilities = createObject(env, 1463 "com/android/server/wifi/WifiNative$TdlsCapabilities"); 1464 setIntField(env, capabilities, "maxConcurrentTdlsSessionNumber", 1465 tdls_capabilities.max_concurrent_tdls_session_num); 1466 setBooleanField(env, capabilities, "isGlobalTdlsSupported", 1467 tdls_capabilities.is_global_tdls_supported == 1); 1468 setBooleanField(env, capabilities, "isPerMacTdlsSupported", 1469 tdls_capabilities.is_per_mac_tdls_supported == 1); 1470 setBooleanField(env,capabilities, "isOffChannelTdlsSupported", 1471 tdls_capabilities.is_off_channel_tdls_supported); 1472 1473 ALOGD("TDLS Max Concurrent Tdls Session Number is: %d", 1474 tdls_capabilities.max_concurrent_tdls_session_num); 1475 ALOGD("Global Tdls is: %s", tdls_capabilities.is_global_tdls_supported == 1 ? "support" : 1476 "not support"); 1477 ALOGD("Per Mac Tdls is: %s", tdls_capabilities.is_per_mac_tdls_supported == 1 ? "support" : 1478 "not support"); 1479 ALOGD("Off Channel Tdls is: %s", tdls_capabilities.is_off_channel_tdls_supported == 1 ? 1480 "support" : "not support"); 1481 1482 return capabilities; 1483 } else { 1484 return NULL; 1485 } 1486} 1487 1488// ---------------------------------------------------------------------------- 1489// Debug framework 1490// ---------------------------------------------------------------------------- 1491 1492static void onRingBufferData(char * ring_name, char * buffer, 1493int buffer_size, wifi_ring_buffer_status *status) { 1494 JNIEnv *env = NULL; 1495 mVM->AttachCurrentThread(&env, NULL); 1496 1497 ALOGD("onRingBufferData called, vm = %p, obj = %p, env = %p", mVM, mCls, env); 1498 1499 reportEvent(env, mCls, "onDataAvailable", "(I[Landroid/net/wifi/WiFiLogger$LogData;)V", 1500 0, 0); 1501} 1502 1503static jint android_net_wifi_get_supported_logger_feature(JNIEnv *env, jclass cls, jint iface){ 1504 //Not implemented yet 1505 wifi_interface_handle handle = getIfaceHandle(env, cls, iface); 1506 return -1; 1507} 1508 1509static jobject android_net_wifi_get_driver_version(JNIEnv *env, jclass cls, jint iface) { 1510 //Need to be fixed. The memory should be allocated from lower layer 1511 //char *buffer = NULL; 1512 int buffer_length = 256; 1513 char *buffer = (char *)malloc(buffer_length); 1514 wifi_interface_handle handle = getIfaceHandle(env, cls, iface); 1515 1516 ALOGD("android_net_wifi_get_driver_version = %p", handle); 1517 1518 if (handle == 0) { 1519 return NULL; 1520 } 1521 1522 wifi_error result = hal_fn.wifi_get_driver_version(handle, &buffer, &buffer_length); 1523 1524 if (result == WIFI_SUCCESS) { 1525 ALOGD("buffer is %p, length is %d", buffer, buffer_length); 1526 jstring driver_version = env->NewStringUTF(buffer); 1527 free(buffer); 1528 return driver_version; 1529 } else { 1530 ALOGD("Fail to get driver version"); 1531 return NULL; 1532 } 1533} 1534 1535static jobject android_net_wifi_get_firmware_version(JNIEnv *env, jclass cls, jint iface) { 1536 1537 //char *buffer = NULL; 1538 int buffer_length = 256; 1539 char *buffer = (char *)malloc(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 1576 wifi_error result = hal_fn.wifi_get_ring_buffers_status(handle, &num_rings, &status); 1577 if (result == WIFI_SUCCESS) { 1578 ALOGD("status is %p, number is %d", status, num_rings); 1579 jclass clsRingBufferStatus = 1580 (env)->FindClass("com/android/server/wifi/WifiLogger$RingBufferStatus"); 1581 if (clsRingBufferStatus == NULL) { 1582 ALOGE("Error in accessing class"); 1583 free(status); 1584 return NULL; 1585 } 1586 jobjectArray ringBuffersStatus = env->NewObjectArray(num_rings,clsRingBufferStatus, NULL); 1587 wifi_ring_buffer_status *tmp = status; 1588 1589 for(u32 i = 0; i < num_rings; i++, tmp++) { 1590 jobject ringStatus = createObject(env, 1591 "com/android/server/wifi/WifiLogger$RingBufferStatus"); 1592 if (ringStatus == NULL) { 1593 ALOGE("Error in creating ringBufferStatus"); 1594 free(status); 1595 return NULL; 1596 } 1597 char name[32]; 1598 for(int j = 0; j < 32; j++) { 1599 name[j] = tmp->name[j]; 1600 } 1601 setStringField(env, ringStatus, "name", name); 1602 setIntField(env, ringStatus, "flag", tmp->flags); 1603 setIntField(env, ringStatus, "ringBufferId", tmp->ring_id); 1604 setIntField(env, ringStatus, "ringBufferByteSize", tmp->ring_buffer_byte_size); 1605 setIntField(env, ringStatus, "verboseLevel", tmp->verbose_level); 1606 setIntField(env, ringStatus, "writtenBytes", tmp->written_bytes); 1607 setIntField(env, ringStatus, "readBytes", tmp->read_bytes); 1608 setIntField(env, ringStatus, "writtenRecords", tmp->written_records); 1609 env->SetObjectArrayElement(ringBuffersStatus, i, ringStatus); 1610 } 1611 free(status); 1612 return ringBuffersStatus; 1613 } else { 1614 return NULL; 1615 } 1616} 1617 1618static void on_ring_buffer_data(char *ring_name, char *buffer, int buffer_size, 1619 wifi_ring_buffer_status *status) { 1620 if (!ring_name || !buffer || !status || buffer_size <= sizeof(wifi_ring_buffer_entry)) { 1621 ALOGE("Error input for on_ring_buffer_data!"); 1622 } 1623 JNIEnv *env = NULL; 1624 mVM->AttachCurrentThread(&env, NULL); 1625 ALOGD("on_ring_buffer_data called, vm = %p, obj = %p, env = %p buffer size = %d", mVM, 1626 mCls, env, buffer_size); 1627 1628 jobject wifiLoggerEvent = createObject(env, 1629 "com/android/server/wifi/WifiNative$WifiLoggerEvent"); 1630 1631 //jstring reportBuffer = env->NewStringUTF(buffer); 1632 //setStringField(env, wifiLoggerEvent, "buffer", buffer); 1633 1634 jobject ringStatus = createObject(env, 1635 "com/android/server/wifi/WifiLogger$RingBufferStatus"); 1636 if (status == NULL) { 1637 ALOGE("Error in creating ringBufferStatus"); 1638 return; 1639 } 1640 1641 char name[32]; 1642 for(int j = 0; j < 32; j++) { 1643 name[j] = status->name[j]; 1644 } 1645 setStringField(env, ringStatus, "name", name); 1646 setIntField(env, ringStatus, "flag", status->flags); 1647 setIntField(env, ringStatus, "ringBufferId", status->ring_id); 1648 setIntField(env, ringStatus, "ringBufferByteSize", status->ring_buffer_byte_size); 1649 setIntField(env, ringStatus, "verboseLevel", status->verbose_level); 1650 setIntField(env, ringStatus, "writtenBytes", status->written_bytes); 1651 setIntField(env, ringStatus, "readBytes", status->read_bytes); 1652 setIntField(env, ringStatus, "writtenRecords", status->written_records); 1653 setObjectField(env, wifiLoggerEvent, "status", 1654 "Lcom/android/server/wifi/WifiLogger$RingBufferStatus;", ringStatus); 1655 //set entry 1656 wifi_ring_buffer_entry *buffer_entry = (wifi_ring_buffer_entry *) buffer; 1657 setIntField(env,wifiLoggerEvent, "entrySize", buffer_entry->entry_size); 1658 setIntField(env,wifiLoggerEvent, "flags", buffer_entry->flags); 1659 setIntField(env,wifiLoggerEvent, "type", buffer_entry->type); 1660 setLongField(env,wifiLoggerEvent, "timestamp", buffer_entry->timestamp); 1661 //set records 1662 int record_size = buffer_size - sizeof(wifi_ring_buffer_entry); 1663 if (buffer_entry->entry_size > 0) { 1664 jbyteArray records = env->NewByteArray(buffer_entry->entry_size); 1665 jbyte *bytes = (jbyte *) (buffer_entry + 1); 1666 env->SetByteArrayRegion(records, 0, buffer_entry->entry_size, bytes); 1667 setObjectField(env,wifiLoggerEvent, "entry", "[B", records); 1668 env->DeleteLocalRef(records); 1669 } 1670 1671 reportEvent(env, mCls,"onWifiLoggerEvent", 1672 "(Lcom/android/server/wifi/WifiNative$WifiLoggerEvent;)V", wifiLoggerEvent); 1673 1674 env->DeleteLocalRef(ringStatus); 1675 env->DeleteLocalRef(wifiLoggerEvent); 1676} 1677 1678static void on_alert_data(wifi_request_id id, char *buffer, int buffer_size, int err_code){ 1679 JNIEnv *env = NULL; 1680 mVM->AttachCurrentThread(&env, NULL); 1681 ALOGD(" on_alert_data called, vm = %p, obj = %p, env = %p buffer_size = %d, error code = %d" 1682 , mVM, mCls, env, buffer_size, err_code); 1683 1684 if (buffer_size > 0) { 1685 jbyteArray records = env->NewByteArray(buffer_size); 1686 jbyte *bytes = (jbyte *) buffer; 1687 env->SetByteArrayRegion(records, 0,buffer_size, bytes); 1688 reportEvent(env, mCls,"onWifiAlert","([B;I)V", records, err_code); 1689 env->DeleteLocalRef(records); 1690 } else { 1691 reportEvent(env, mCls,"onWifiAlert","([B;I)V", NULL, err_code); 1692 } 1693} 1694 1695static jboolean android_net_wifi_start_logging_ring_buffer(JNIEnv *env, jclass cls, jint iface, 1696 jint verbose_level,jint flags, jint max_interval,jint min_data_size, jstring ring_name) { 1697 1698 wifi_interface_handle handle = getIfaceHandle(env, cls, iface); 1699 1700 ALOGD("android_net_wifi_start_logging_ring_buffer = %p", handle); 1701 1702 if (handle == 0) { 1703 return false; 1704 } 1705 1706 //set logging handler 1707 1708 //initialize the handler on first time 1709 wifi_ring_buffer_data_handler handler; 1710 handler.on_ring_buffer_data = &on_ring_buffer_data; 1711 int result = hal_fn.wifi_set_log_handler(0, handle, handler); 1712 if (result != WIFI_SUCCESS) { 1713 ALOGE("Fail to set logging handler"); 1714 return false; 1715 } else { 1716 ALOGE(" Successfully set on_ring_buffer_data"); 1717 } 1718 //set alter handler 1719 wifi_alert_handler alert_handler; 1720 alert_handler.on_alert = &on_alert_data; 1721 result = hal_fn.wifi_set_alert_handler(0, handle, alert_handler); 1722 if (result != WIFI_SUCCESS) { 1723 ALOGE(" Fail to set logging handler"); 1724 return false; 1725 } else { 1726 ALOGE(" Successfully set on_alert"); 1727 } 1728 1729 1730 const char* ring_name_const_char = env->GetStringUTFChars(ring_name, JNI_FALSE); 1731 int len; 1732 for(len = 0; ring_name_const_char[len] != 0; len++); 1733 1734 char* ring_name_char = (char*) malloc(len+1); 1735 memcpy(ring_name_char, ring_name_const_char, len+1); 1736 1737 int ret = hal_fn.wifi_start_logging(handle, verbose_level, flags, max_interval, min_data_size, 1738 ring_name_char); 1739 1740 if (ret != WIFI_SUCCESS) { 1741 ALOGE("Fail to start logging for ring %s", ring_name); 1742 } else { 1743 ALOGD("start logging for ring %s", ring_name); 1744 } 1745 env->ReleaseStringUTFChars(ring_name, ring_name_char); 1746 return ret == WIFI_SUCCESS; 1747} 1748 1749static jboolean android_net_wifi_get_ring_buffer_data(JNIEnv *env, jclass cls, jint iface, 1750 jstring ring_name) { 1751 wifi_interface_handle handle = getIfaceHandle(env, cls, iface); 1752 ALOGD("android_net_wifi_get_ring_buffer_data = %p", handle); 1753 1754 1755 const char* ring_name_const_char = env->GetStringUTFChars(ring_name, JNI_FALSE); 1756 int len; 1757 for(len = 0; ring_name_const_char[len] != 0; len++); 1758 char* ring_name_char = (char*) malloc(len+1); 1759 memcpy(ring_name_char, ring_name_const_char, len+1); 1760 1761 int result = hal_fn.wifi_get_ring_data(handle, ring_name_char); 1762 1763 if (result == WIFI_SUCCESS) 1764 ALOGD("Get Ring data command success\n"); 1765 else 1766 ALOGE("Failed to execute get ring data command\n"); 1767 1768 env->ReleaseStringUTFChars(ring_name, ring_name_char); 1769 return result == WIFI_SUCCESS; 1770} 1771 1772 1773void on_firmware_memory_dump(char *buffer, int buffer_size) { 1774 JNIEnv *env = NULL; 1775 mVM->AttachCurrentThread(&env, NULL); 1776 ALOGD("on_firmware_memory_dump called, vm = %p, obj = %p, env = %p buffer_size = %d" 1777 , mVM, mCls, env, buffer_size); 1778 1779 if (buffer_size > 0) { 1780 jbyteArray dump = env->NewByteArray(buffer_size); 1781 jbyte *bytes = (jbyte *) (buffer); 1782 env->SetByteArrayRegion(dump, 0, buffer_size, bytes); 1783 reportEvent(env, mCls,"onWifiFwMemoryAvailable","([B)V", dump); 1784 env->DeleteLocalRef(dump); 1785 } 1786 1787} 1788 1789static jboolean android_net_wifi_get_fw_memory_dump(JNIEnv *env, jclass cls, jint iface){ 1790 wifi_interface_handle handle = getIfaceHandle(env, cls, iface); 1791 ALOGD("android_net_wifi_get_fw_memory_dump = %p", handle); 1792 1793 if (handle == NULL) { 1794 ALOGE("Can not get wifi_interface_handle"); 1795 return false; 1796 } 1797 1798 wifi_firmware_memory_dump_handler fw_dump_handle; 1799 fw_dump_handle.on_firmware_memory_dump = on_firmware_memory_dump; 1800 int result = hal_fn.wifi_get_firmware_memory_dump(handle, fw_dump_handle); 1801 return result == WIFI_SUCCESS; 1802 1803} 1804 1805// ---------------------------------------------------------------------------- 1806// ePno framework 1807// ---------------------------------------------------------------------------- 1808 1809 1810static void onPnoNetworkFound(wifi_request_id id, 1811 unsigned num_results, wifi_scan_result *results) { 1812 JNIEnv *env = NULL; 1813 mVM->AttachCurrentThread(&env, NULL); 1814 1815 ALOGD("onPnoNetworkFound called, vm = %p, obj = %p, env = %p, num_results %u", 1816 mVM, mCls, env, num_results); 1817 1818 if (results == 0 || num_results == 0) { 1819 ALOGE("onPnoNetworkFound: Error no results"); 1820 return; 1821 } 1822 1823 jobject scanResult; 1824 jbyte *bytes; 1825 jobjectArray scanResults; 1826 //jbyteArray elements; 1827 1828 for (unsigned i=0; i<num_results; i++) { 1829 1830 scanResult = createScanResult(env, &results[i]); 1831 if (i == 0) { 1832 scanResults = env->NewObjectArray(num_results, 1833 env->FindClass("android/net/wifi/ScanResult"), scanResult); 1834 if (scanResults == 0) { 1835 ALOGD("cant allocate array"); 1836 } else { 1837 ALOGD("allocated array %u", env->GetArrayLength(scanResults)); 1838 } 1839 } else { 1840 env->SetObjectArrayElement(scanResults, i, scanResult); 1841 } 1842 1843 ALOGD("Scan result with ie length %d, i %u, <%s> rssi=%d %02x:%02x:%02x:%02x:%02x:%02x", 1844 results->ie_length, i, 1845 results[i].ssid, results[i].rssi, results[i].bssid[0], results[i].bssid[1], 1846 results[i].bssid[2], results[i].bssid[3], results[i].bssid[4], results[i].bssid[5]); 1847 1848 /*elements = env->NewByteArray(results->ie_length); 1849 if (elements == NULL) { 1850 ALOGE("Error in allocating array"); 1851 return; 1852 }*/ 1853 1854 //ALOGD("onPnoNetworkFound: Setting byte array"); 1855 1856 //bytes = (jbyte *)&(results->ie_data[0]); 1857 //env->SetByteArrayRegion(elements, 0, results->ie_length, bytes); 1858 1859 //ALOGD("onPnoNetworkFound: Returning result"); 1860 } 1861 1862 1863 ALOGD("calling report"); 1864 1865 reportEvent(env, mCls, "onPnoNetworkFound", "(I[Landroid/net/wifi/ScanResult;)V", id, 1866 scanResults); 1867 ALOGD("free ref"); 1868 1869 env->DeleteLocalRef(scanResults); 1870 //env->DeleteLocalRef(elements); 1871} 1872 1873static jboolean android_net_wifi_setPnoListNative( 1874 JNIEnv *env, jclass cls, jint iface, jint id, jobject list) { 1875 1876 wifi_epno_handler handler; 1877 handler.on_network_found = &onPnoNetworkFound; 1878 1879 wifi_interface_handle handle = getIfaceHandle(env, cls, iface); 1880 ALOGD("configure ePno list request [%d] = %p", id, handle); 1881 1882 if (list == NULL) { 1883 // stop pno 1884 int result = hal_fn.wifi_set_epno_list(id, handle, 0, NULL, handler); 1885 ALOGE(" setPnoListNative: STOP result = %d", result); 1886 return result; 1887 } 1888 1889 wifi_epno_network net_list[MAX_PNO_SSID]; 1890 memset(&net_list, 0, sizeof(net_list)); 1891 1892 size_t len = env->GetArrayLength((jobjectArray)list); 1893 if (len > (size_t)MAX_PNO_SSID) { 1894 return false; 1895 } 1896 1897 for (unsigned int i = 0; i < len; i++) { 1898 1899 jobject pno_net = env->GetObjectArrayElement((jobjectArray)list, i); 1900 if (pno_net == NULL) { 1901 ALOGD("setPnoListNative: could not get element %d", i); 1902 continue; 1903 } 1904 1905 jstring sssid = (jstring) getObjectField( 1906 env, pno_net, "SSID", "Ljava/lang/String;"); 1907 if (sssid == NULL) { 1908 ALOGE("Error setPnoListNative: getting ssid field"); 1909 return false; 1910 } 1911 1912 const char *ssid = env->GetStringUTFChars(sssid, NULL); 1913 if (ssid == NULL) { 1914 ALOGE("Error setPnoListNative: getting ssid"); 1915 return false; 1916 } 1917 int ssid_len = strnlen((const char*)ssid, 33); 1918 if (ssid_len > 32) { 1919 ALOGE("Error setPnoListNative: long ssid %u", strnlen((const char*)ssid, 256)); 1920 return false; 1921 } 1922 if (ssid_len > 1 && ssid[0] == '"' && ssid[ssid_len-1]) 1923 { 1924 // strip leading and trailing '"' 1925 ssid++; 1926 ssid_len-=2; 1927 } 1928 if (ssid_len == 0) { 1929 ALOGE("Error setPnoListNative: zero length ssid, skip it"); 1930 continue; 1931 } 1932 memcpy(net_list[i].ssid, ssid, ssid_len); 1933 1934 int rssit = getIntField(env, pno_net, "rssi_threshold"); 1935 net_list[i].rssi_threshold = (byte)rssit; 1936 int a = getIntField(env, pno_net, "auth"); 1937 net_list[i].auth_bit_field = a; 1938 int f = getIntField(env, pno_net, "flags"); 1939 net_list[i].flags = f; 1940 ALOGE(" setPnoListNative: idx %u rssi %d/%d auth %x/%x flags %x/%x [%s]", i, 1941 (signed byte)net_list[i].rssi_threshold, net_list[i].rssi_threshold, 1942 net_list[i].auth_bit_field, a, net_list[i].flags, f, net_list[i].ssid); 1943 } 1944 1945 int result = hal_fn.wifi_set_epno_list(id, handle, len, net_list, handler); 1946 ALOGE(" setPnoListNative: result %d", result); 1947 1948 return result >= 0; 1949} 1950 1951static jboolean android_net_wifi_setLazyRoam( 1952 JNIEnv *env, jclass cls, jint iface, jint id, jboolean enabled, jobject roam_param) { 1953 1954 jboolean status = true; 1955 wifi_roam_params params; 1956 memset(¶ms, 0, sizeof(params)); 1957 1958 wifi_interface_handle handle = getIfaceHandle(env, cls, iface); 1959 ALOGD("configure lazy roam request [%d] = %p", id, handle); 1960 1961 if (roam_param != NULL) { 1962 params.A_band_boost_threshold = getIntField(env, roam_param, "A_band_boost_threshold"); 1963 params.A_band_penalty_threshold = getIntField(env, roam_param, "A_band_penalty_threshold"); 1964 params.A_band_boost_factor = getIntField(env, roam_param, "A_band_boost_factor"); 1965 params.A_band_penalty_factor = getIntField(env, roam_param, "A_band_penalty_factor"); 1966 params.A_band_max_boost = getIntField(env, roam_param, "A_band_max_boost"); 1967 params.lazy_roam_hysteresis = getIntField(env, roam_param, "lazy_roam_hysteresis"); 1968 params.alert_roam_rssi_trigger = getIntField(env, roam_param, "alert_roam_rssi_trigger"); 1969 status = hal_fn.wifi_set_gscan_roam_params(id, handle, ¶ms); 1970 } 1971 if (status) { 1972 int doEnable = enabled ? 1 : 0; 1973 status = hal_fn.wifi_enable_lazy_roam(id, handle, doEnable); 1974 } 1975 ALOGE("android_net_wifi_setLazyRoam\n"); 1976 return status; 1977} 1978 1979// ---------------------------------------------------------------------------- 1980 1981/* 1982 * JNI registration. 1983 */ 1984static JNINativeMethod gWifiMethods[] = { 1985 /* name, signature, funcPtr */ 1986 1987 { "loadDriver", "()Z", (void *)android_net_wifi_loadDriver }, 1988 { "isDriverLoaded", "()Z", (void *)android_net_wifi_isDriverLoaded }, 1989 { "unloadDriver", "()Z", (void *)android_net_wifi_unloadDriver }, 1990 { "startSupplicant", "(Z)Z", (void *)android_net_wifi_startSupplicant }, 1991 { "killSupplicant", "(Z)Z", (void *)android_net_wifi_killSupplicant }, 1992 { "connectToSupplicantNative", "()Z", (void *)android_net_wifi_connectToSupplicant }, 1993 { "closeSupplicantConnectionNative", "()V", 1994 (void *)android_net_wifi_closeSupplicantConnection }, 1995 { "waitForEventNative", "()Ljava/lang/String;", (void*)android_net_wifi_waitForEvent }, 1996 { "doBooleanCommandNative", "(Ljava/lang/String;)Z", (void*)android_net_wifi_doBooleanCommand }, 1997 { "doIntCommandNative", "(Ljava/lang/String;)I", (void*)android_net_wifi_doIntCommand }, 1998 { "doStringCommandNative", "(Ljava/lang/String;)Ljava/lang/String;", 1999 (void*) android_net_wifi_doStringCommand }, 2000 { "startHalNative", "()Z", (void*) android_net_wifi_startHal }, 2001 { "stopHalNative", "()V", (void*) android_net_wifi_stopHal }, 2002 { "waitForHalEventNative", "()V", (void*) android_net_wifi_waitForHalEvents }, 2003 { "getInterfacesNative", "()I", (void*) android_net_wifi_getInterfaces}, 2004 { "getInterfaceNameNative", "(I)Ljava/lang/String;", (void*) android_net_wifi_getInterfaceName}, 2005 { "getScanCapabilitiesNative", "(ILcom/android/server/wifi/WifiNative$ScanCapabilities;)Z", 2006 (void *) android_net_wifi_getScanCapabilities}, 2007 { "startScanNative", "(IILcom/android/server/wifi/WifiNative$ScanSettings;)Z", 2008 (void*) android_net_wifi_startScan}, 2009 { "stopScanNative", "(II)Z", (void*) android_net_wifi_stopScan}, 2010 { "getScanResultsNative", "(IZ)[Landroid/net/wifi/WifiScanner$ScanData;", 2011 (void *) android_net_wifi_getScanResults}, 2012 { "setHotlistNative", "(IILandroid/net/wifi/WifiScanner$HotlistSettings;)Z", 2013 (void*) android_net_wifi_setHotlist}, 2014 { "resetHotlistNative", "(II)Z", (void*) android_net_wifi_resetHotlist}, 2015 { "trackSignificantWifiChangeNative", "(IILandroid/net/wifi/WifiScanner$WifiChangeSettings;)Z", 2016 (void*) android_net_wifi_trackSignificantWifiChange}, 2017 { "untrackSignificantWifiChangeNative", "(II)Z", 2018 (void*) android_net_wifi_untrackSignificantWifiChange}, 2019 { "getWifiLinkLayerStatsNative", "(I)Landroid/net/wifi/WifiLinkLayerStats;", 2020 (void*) android_net_wifi_getLinkLayerStats}, 2021 { "getSupportedFeatureSetNative", "(I)I", 2022 (void*) android_net_wifi_getSupportedFeatures}, 2023 { "requestRangeNative", "(II[Landroid/net/wifi/RttManager$RttParams;)Z", 2024 (void*) android_net_wifi_requestRange}, 2025 { "cancelRangeRequestNative", "(II[Landroid/net/wifi/RttManager$RttParams;)Z", 2026 (void*) android_net_wifi_cancelRange}, 2027 { "setScanningMacOuiNative", "(I[B)Z", (void*) android_net_wifi_setScanningMacOui}, 2028 { "getChannelsForBandNative", "(II)[I", (void*) android_net_wifi_getValidChannels}, 2029 { "setDfsFlagNative", "(IZ)Z", (void*) android_net_wifi_setDfsFlag}, 2030 { "toggleInterfaceNative", "(I)Z", (void*) android_net_wifi_toggle_interface}, 2031 { "getRttCapabilitiesNative", "(I)Landroid/net/wifi/RttManager$RttCapabilities;", 2032 (void*) android_net_wifi_get_rtt_capabilities}, 2033 {"setCountryCodeHalNative", "(ILjava/lang/String;)Z", 2034 (void*) android_net_wifi_set_Country_Code_Hal}, 2035 { "setPnoListNative", "(II[Lcom/android/server/wifi/WifiNative$WifiPnoNetwork;)Z", 2036 (void*) android_net_wifi_setPnoListNative}, 2037 {"enableDisableTdlsNative", "(IZLjava/lang/String;)Z", 2038 (void*) android_net_wifi_enable_disable_tdls}, 2039 {"getTdlsStatusNative", "(ILjava/lang/String;)Lcom/android/server/wifi/WifiNative$TdlsStatus;", 2040 (void*) android_net_wifi_get_tdls_status}, 2041 {"getTdlsCapabilitiesNative", "(I)Lcom/android/server/wifi/WifiNative$TdlsCapabilities;", 2042 (void*) android_net_wifi_get_tdls_capabilities}, 2043 {"getSupportedLoggerFeatureSetNative","(I)I", 2044 (void*) android_net_wifi_get_supported_logger_feature}, 2045 {"getDriverVersionNative", "(I)Ljava/lang/String;", 2046 (void*) android_net_wifi_get_driver_version}, 2047 {"getFirmwareVersionNative", "(I)Ljava/lang/String;", 2048 (void*) android_net_wifi_get_firmware_version}, 2049 {"getRingBufferStatusNative", "(I)[Lcom/android/server/wifi/WifiLogger$RingBufferStatus;", 2050 (void*) android_net_wifi_get_ring_buffer_status}, 2051 {"startLoggingRingBufferNative", "(IIIIILjava/lang/String;)Z", 2052 (void*) android_net_wifi_start_logging_ring_buffer}, 2053 {"getRingBufferDataNative", "(ILjava/lang/String;)Z", 2054 (void*) android_net_wifi_get_ring_buffer_data}, 2055 {"getFwMemoryDumpNative","(I)Z", (void*) android_net_wifi_get_fw_memory_dump}, 2056 { "setLazyRoam", "(IIZLcom/android/server/wifi/WifiNative$WifiLazyRoamParams;)Z", 2057 (void*) android_net_wifi_setLazyRoam} 2058}; 2059 2060int register_android_net_wifi_WifiNative(JNIEnv* env) { 2061 return AndroidRuntime::registerNativeMethods(env, 2062 "com/android/server/wifi/WifiNative", gWifiMethods, NELEM(gWifiMethods)); 2063} 2064 2065 2066/* User to register native functions */ 2067extern "C" 2068jint Java_com_android_server_wifi_WifiNative_registerNatives(JNIEnv* env, jclass clazz) { 2069 return AndroidRuntime::registerNativeMethods(env, 2070 "com/android/server/wifi/WifiNative", gWifiMethods, NELEM(gWifiMethods)); 2071} 2072 2073}; // namespace android 2074