com_android_server_wifi_WifiNative.cpp revision d7cbebf7fa9081e294ecab38cfe82709f381e1c9
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_ssid_white_list = wifi_set_ssid_white_list; 91 hal_fn->wifi_set_gscan_roam_params = wifi_set_gscan_roam_params; 92 hal_fn->wifi_set_bssid_preference = wifi_set_bssid_preference; 93 hal_fn->wifi_enable_lazy_roam = wifi_enable_lazy_roam; 94 hal_fn->wifi_set_bssid_blacklist = wifi_set_bssid_blacklist; 95 return 0; 96} 97 98 99static bool doCommand(JNIEnv* env, jstring javaCommand, 100 char* reply, size_t reply_len) { 101 ScopedUtfChars command(env, javaCommand); 102 if (command.c_str() == NULL) { 103 return false; // ScopedUtfChars already threw on error. 104 } 105 106 if (DBG) { 107 ALOGD("doCommand: %s", command.c_str()); 108 } 109 110 --reply_len; // Ensure we have room to add NUL termination. 111 if (::wifi_command(command.c_str(), reply, &reply_len) != 0) { 112 return false; 113 } 114 115 // Strip off trailing newline. 116 if (reply_len > 0 && reply[reply_len-1] == '\n') { 117 reply[reply_len-1] = '\0'; 118 } else { 119 reply[reply_len] = '\0'; 120 } 121 return true; 122} 123 124static jint doIntCommand(JNIEnv* env, jstring javaCommand) { 125 char reply[REPLY_BUF_SIZE]; 126 if (!doCommand(env, javaCommand, reply, sizeof(reply))) { 127 return -1; 128 } 129 return static_cast<jint>(atoi(reply)); 130} 131 132static jboolean doBooleanCommand(JNIEnv* env, jstring javaCommand) { 133 char reply[REPLY_BUF_SIZE]; 134 if (!doCommand(env, javaCommand, reply, sizeof(reply))) { 135 return JNI_FALSE; 136 } 137 return (strcmp(reply, "OK") == 0); 138} 139 140// Send a command to the supplicant, and return the reply as a String. 141static jstring doStringCommand(JNIEnv* env, jstring javaCommand) { 142 char reply[REPLY_BUF_SIZE]; 143 if (!doCommand(env, javaCommand, reply, sizeof(reply))) { 144 return NULL; 145 } 146 return env->NewStringUTF(reply); 147} 148 149static jboolean android_net_wifi_isDriverLoaded(JNIEnv* env, jobject) 150{ 151 return (::is_wifi_driver_loaded() == 1); 152} 153 154static jboolean android_net_wifi_loadDriver(JNIEnv* env, jobject) 155{ 156 return (::wifi_load_driver() == 0); 157} 158 159static jboolean android_net_wifi_unloadDriver(JNIEnv* env, jobject) 160{ 161 return (::wifi_unload_driver() == 0); 162} 163 164static jboolean android_net_wifi_startSupplicant(JNIEnv* env, jobject, jboolean p2pSupported) 165{ 166 return (::wifi_start_supplicant(p2pSupported) == 0); 167} 168 169static jboolean android_net_wifi_killSupplicant(JNIEnv* env, jobject, jboolean p2pSupported) 170{ 171 return (::wifi_stop_supplicant(p2pSupported) == 0); 172} 173 174static jboolean android_net_wifi_connectToSupplicant(JNIEnv* env, jobject) 175{ 176 return (::wifi_connect_to_supplicant() == 0); 177} 178 179static void android_net_wifi_closeSupplicantConnection(JNIEnv* env, jobject) 180{ 181 ::wifi_close_supplicant_connection(); 182} 183 184static jstring android_net_wifi_waitForEvent(JNIEnv* env, jobject) 185{ 186 char buf[EVENT_BUF_SIZE]; 187 int nread = ::wifi_wait_for_event(buf, sizeof buf); 188 if (nread > 0) { 189 return env->NewStringUTF(buf); 190 } else { 191 return NULL; 192 } 193} 194 195static jboolean android_net_wifi_doBooleanCommand(JNIEnv* env, jobject, jstring javaCommand) { 196 return doBooleanCommand(env, javaCommand); 197} 198 199static jint android_net_wifi_doIntCommand(JNIEnv* env, jobject, jstring javaCommand) { 200 return doIntCommand(env, javaCommand); 201} 202 203static jstring android_net_wifi_doStringCommand(JNIEnv* env, jobject, jstring javaCommand) { 204 return doStringCommand(env,javaCommand); 205} 206 207/* wifi_hal <==> WifiNative bridge */ 208 209static jclass mCls; /* saved WifiNative object */ 210static JavaVM *mVM; /* saved JVM pointer */ 211 212static const char *WifiHandleVarName = "sWifiHalHandle"; 213static const char *WifiIfaceHandleVarName = "sWifiIfaceHandles"; 214static jmethodID OnScanResultsMethodID; 215 216static JNIEnv *getEnv() { 217 JNIEnv *env = NULL; 218 mVM->AttachCurrentThread(&env, NULL); 219 return env; 220} 221 222static wifi_handle getWifiHandle(JNIEnv *env, jclass cls) { 223 return (wifi_handle) getStaticLongField(env, cls, WifiHandleVarName); 224} 225 226static wifi_interface_handle getIfaceHandle(JNIEnv *env, jclass cls, jint index) { 227 return (wifi_interface_handle) getStaticLongArrayField(env, cls, WifiIfaceHandleVarName, index); 228} 229 230static jobject createScanResult(JNIEnv *env, wifi_scan_result *result) { 231 232 // ALOGD("creating scan result"); 233 234 jobject scanResult = createObject(env, "android/net/wifi/ScanResult"); 235 if (scanResult == NULL) { 236 ALOGE("Error in creating scan result"); 237 return NULL; 238 } 239 240 ALOGV("setting SSID to %s", result->ssid); 241 //jstring jssid = env->NewStringUTF(result->ssid); 242 setStringField(env, scanResult, "SSID", result->ssid); 243 244 char bssid[32]; 245 sprintf(bssid, "%02x:%02x:%02x:%02x:%02x:%02x", result->bssid[0], result->bssid[1], 246 result->bssid[2], result->bssid[3], result->bssid[4], result->bssid[5]); 247 //jstring jbssid = env->NewStringUTF(bssid); 248 249 setStringField(env, scanResult, "BSSID", bssid); 250 251 setIntField(env, scanResult, "level", result->rssi); 252 setIntField(env, scanResult, "frequency", result->channel); 253 setLongField(env, scanResult, "timestamp", result->ts); 254 255 return scanResult; 256} 257 258int set_iface_flags(const char *ifname, int dev_up) { 259 struct ifreq ifr; 260 int ret; 261 int sock = socket(PF_INET, SOCK_DGRAM, 0); 262 if (sock < 0) { 263 ALOGD("Bad socket: %d\n", sock); 264 return -errno; 265 } 266 267 //ALOGD("setting interface %s flags (%s)\n", ifname, dev_up ? "UP" : "DOWN"); 268 269 memset(&ifr, 0, sizeof(ifr)); 270 strlcpy(ifr.ifr_name, ifname, IFNAMSIZ); 271 272 //ALOGD("reading old value\n"); 273 274 if (ioctl(sock, SIOCGIFFLAGS, &ifr) != 0) { 275 ret = errno ? -errno : -999; 276 ALOGE("Could not read interface %s flags: %d\n", ifname, errno); 277 close(sock); 278 return ret; 279 } else { 280 //ALOGD("writing new value\n"); 281 } 282 283 if (dev_up) { 284 if (ifr.ifr_flags & IFF_UP) { 285 // ALOGD("interface %s is already up\n", ifname); 286 close(sock); 287 return 0; 288 } 289 ifr.ifr_flags |= IFF_UP; 290 } else { 291 if (!(ifr.ifr_flags & IFF_UP)) { 292 // ALOGD("interface %s is already down\n", ifname); 293 close(sock); 294 return 0; 295 } 296 ifr.ifr_flags &= ~IFF_UP; 297 } 298 299 if (ioctl(sock, SIOCSIFFLAGS, &ifr) != 0) { 300 ALOGE("Could not set interface %s flags \n", ifname); 301 close(sock); 302 return ret; 303 } else { 304 ALOGD("set interface %s flags (%s)\n", ifname, dev_up ? "UP" : "DOWN"); 305 } 306 close(sock); 307 return 0; 308} 309 310static jboolean android_net_wifi_toggle_interface(JNIEnv* env, jclass cls, int toggle) { 311 return(set_iface_flags("wlan0", toggle) == 0); 312} 313 314static jboolean android_net_wifi_startHal(JNIEnv* env, jclass cls) { 315 wifi_handle halHandle = getWifiHandle(env, cls); 316 if (halHandle == NULL) { 317 318 if(init_wifi_hal_func_table(&hal_fn) != 0 ) { 319 ALOGD("Can not initialize the basic function pointer table"); 320 return false; 321 } 322 323 wifi_error res = init_wifi_vendor_hal_func_table(&hal_fn); 324 if (res != WIFI_SUCCESS) { 325 ALOGD("Can not initialize the vendor function pointer table"); 326 return false; 327 } 328 329 int ret = set_iface_flags("wlan0", 1); 330 if(ret != 0) { 331 return false; 332 } 333 334 res = hal_fn.wifi_initialize(&halHandle); 335 if (res == WIFI_SUCCESS) { 336 setStaticLongField(env, cls, WifiHandleVarName, (jlong)halHandle); 337 ALOGD("Did set static halHandle = %p", halHandle); 338 } 339 env->GetJavaVM(&mVM); 340 mCls = (jclass) env->NewGlobalRef(cls); 341 ALOGD("halHandle = %p, mVM = %p, mCls = %p", halHandle, mVM, mCls); 342 return res == WIFI_SUCCESS; 343 } else { 344 return (set_iface_flags("wlan0", 1) == 0); 345 } 346} 347 348void android_net_wifi_hal_cleaned_up_handler(wifi_handle handle) { 349 ALOGD("In wifi cleaned up handler"); 350 351 JNIEnv * env = getEnv(); 352 setStaticLongField(env, mCls, WifiHandleVarName, 0); 353 env->DeleteGlobalRef(mCls); 354 mCls = NULL; 355 mVM = NULL; 356} 357 358static void android_net_wifi_stopHal(JNIEnv* env, jclass cls) { 359 ALOGD("In wifi stop Hal"); 360 361 wifi_handle halHandle = getWifiHandle(env, cls); 362 hal_fn.wifi_cleanup(halHandle, android_net_wifi_hal_cleaned_up_handler); 363 set_iface_flags("wlan0", 0); 364} 365 366static void android_net_wifi_waitForHalEvents(JNIEnv* env, jclass cls) { 367 368 ALOGD("waitForHalEvents called, vm = %p, obj = %p, env = %p", mVM, mCls, env); 369 370 wifi_handle halHandle = getWifiHandle(env, cls); 371 hal_fn.wifi_event_loop(halHandle); 372} 373 374static int android_net_wifi_getInterfaces(JNIEnv *env, jclass cls) { 375 int n = 0; 376 wifi_handle halHandle = getWifiHandle(env, cls); 377 wifi_interface_handle *ifaceHandles = NULL; 378 int result = hal_fn.wifi_get_ifaces(halHandle, &n, &ifaceHandles); 379 if (result < 0) { 380 return result; 381 } 382 383 if (n < 0) { 384 THROW(env, "android_net_wifi_getInterfaces no interfaces"); 385 return 0; 386 } 387 388 if (ifaceHandles == NULL) { 389 THROW(env, "android_net_wifi_getInterfaces null interface array"); 390 return 0; 391 } 392 393 if (n > 8) { 394 THROW(env, "Too many interfaces"); 395 return 0; 396 } 397 398 jlongArray array = (env)->NewLongArray(n); 399 if (array == NULL) { 400 THROW(env, "Error in accessing array"); 401 return 0; 402 } 403 404 jlong elems[8]; 405 for (int i = 0; i < n; i++) { 406 elems[i] = reinterpret_cast<jlong>(ifaceHandles[i]); 407 } 408 env->SetLongArrayRegion(array, 0, n, elems); 409 setStaticLongArrayField(env, cls, WifiIfaceHandleVarName, array); 410 411 return (result < 0) ? result : n; 412} 413 414static jstring android_net_wifi_getInterfaceName(JNIEnv *env, jclass cls, jint i) { 415 char buf[EVENT_BUF_SIZE]; 416 417 jlong value = getStaticLongArrayField(env, cls, WifiIfaceHandleVarName, i); 418 wifi_interface_handle handle = (wifi_interface_handle) value; 419 int result = hal_fn.wifi_get_iface_name(handle, buf, sizeof(buf)); 420 if (result < 0) { 421 return NULL; 422 } else { 423 return env->NewStringUTF(buf); 424 } 425} 426 427 428static void onScanResultsAvailable(wifi_request_id id, unsigned num_results) { 429 430 JNIEnv *env = NULL; 431 mVM->AttachCurrentThread(&env, NULL); 432 433 ALOGD("onScanResultsAvailable called, vm = %p, obj = %p, env = %p", mVM, mCls, env); 434 435 reportEvent(env, mCls, "onScanResultsAvailable", "(I)V", id); 436} 437 438static void onScanEvent(wifi_scan_event event, unsigned status) { 439 JNIEnv *env = NULL; 440 mVM->AttachCurrentThread(&env, NULL); 441 442 ALOGD("onScanStatus called, vm = %p, obj = %p, env = %p", mVM, mCls, env); 443 444 reportEvent(env, mCls, "onScanStatus", "(I)V", event); 445} 446 447static void onFullScanResult(wifi_request_id id, wifi_scan_result *result) { 448 449 JNIEnv *env = NULL; 450 mVM->AttachCurrentThread(&env, NULL); 451 452 ALOGD("onFullScanResult called, vm = %p, obj = %p, env = %p", mVM, mCls, env); 453 454 jobject scanResult = createScanResult(env, result); 455 456 ALOGD("Creating a byte array of length %d", result->ie_length); 457 458 jbyteArray elements = env->NewByteArray(result->ie_length); 459 if (elements == NULL) { 460 ALOGE("Error in allocating array"); 461 return; 462 } 463 464 ALOGE("Setting byte array"); 465 466 jbyte *bytes = (jbyte *)&(result->ie_data[0]); 467 env->SetByteArrayRegion(elements, 0, result->ie_length, bytes); 468 469 ALOGE("Returning result"); 470 471 reportEvent(env, mCls, "onFullScanResult", "(ILandroid/net/wifi/ScanResult;[B)V", id, 472 scanResult, elements); 473 474 env->DeleteLocalRef(scanResult); 475 env->DeleteLocalRef(elements); 476} 477 478static jboolean android_net_wifi_startScan( 479 JNIEnv *env, jclass cls, jint iface, jint id, jobject settings) { 480 481 wifi_interface_handle handle = getIfaceHandle(env, cls, iface); 482 // ALOGD("starting scan on interface[%d] = %p", iface, handle); 483 484 wifi_scan_cmd_params params; 485 memset(¶ms, 0, sizeof(params)); 486 487 params.base_period = getIntField(env, settings, "base_period_ms"); 488 params.max_ap_per_scan = getIntField(env, settings, "max_ap_per_scan"); 489 params.report_threshold_percent = getIntField(env, settings, "report_threshold_percent"); 490 params.report_threshold_num_scans = getIntField(env, settings, "report_threshold_num_scans"); 491 492 ALOGD("Initialized common fields %d, %d, %d, %d", params.base_period, params.max_ap_per_scan, 493 params.report_threshold_percent, params.report_threshold_num_scans); 494 495 const char *bucket_array_type = "[Lcom/android/server/wifi/WifiNative$BucketSettings;"; 496 const char *channel_array_type = "[Lcom/android/server/wifi/WifiNative$ChannelSettings;"; 497 498 jobjectArray buckets = (jobjectArray)getObjectField(env, settings, "buckets", bucket_array_type); 499 params.num_buckets = getIntField(env, settings, "num_buckets"); 500 501 // ALOGD("Initialized num_buckets to %d", params.num_buckets); 502 503 for (int i = 0; i < params.num_buckets; i++) { 504 jobject bucket = getObjectArrayField(env, settings, "buckets", bucket_array_type, i); 505 506 params.buckets[i].bucket = getIntField(env, bucket, "bucket"); 507 params.buckets[i].band = (wifi_band) getIntField(env, bucket, "band"); 508 params.buckets[i].period = getIntField(env, bucket, "period_ms"); 509 510 int report_events = getIntField(env, bucket, "report_events"); 511 params.buckets[i].report_events = report_events; 512 513 ALOGD("bucket[%d] = %d:%d:%d:%d", i, params.buckets[i].bucket, 514 params.buckets[i].band, params.buckets[i].period, report_events); 515 516 jobjectArray channels = (jobjectArray)getObjectField( 517 env, bucket, "channels", channel_array_type); 518 519 params.buckets[i].num_channels = getIntField(env, bucket, "num_channels"); 520 // ALOGD("Initialized num_channels to %d", params.buckets[i].num_channels); 521 522 for (int j = 0; j < params.buckets[i].num_channels; j++) { 523 jobject channel = getObjectArrayField(env, bucket, "channels", channel_array_type, j); 524 525 params.buckets[i].channels[j].channel = getIntField(env, channel, "frequency"); 526 params.buckets[i].channels[j].dwellTimeMs = getIntField(env, channel, "dwell_time_ms"); 527 528 bool passive = getBoolField(env, channel, "passive"); 529 params.buckets[i].channels[j].passive = (passive ? 1 : 0); 530 531 // ALOGD("Initialized channel %d", params.buckets[i].channels[j].channel); 532 } 533 } 534 535 // ALOGD("Initialized all fields"); 536 537 wifi_scan_result_handler handler; 538 memset(&handler, 0, sizeof(handler)); 539 handler.on_scan_results_available = &onScanResultsAvailable; 540 handler.on_full_scan_result = &onFullScanResult; 541 handler.on_scan_event = &onScanEvent; 542 543 return hal_fn.wifi_start_gscan(id, handle, params, handler) == WIFI_SUCCESS; 544} 545 546static jboolean android_net_wifi_stopScan(JNIEnv *env, jclass cls, jint iface, jint id) { 547 wifi_interface_handle handle = getIfaceHandle(env, cls, iface); 548 // ALOGD("stopping scan on interface[%d] = %p", iface, handle); 549 550 return hal_fn.wifi_stop_gscan(id, handle) == WIFI_SUCCESS; 551} 552 553static int compare_scan_result_timestamp(const void *v1, const void *v2) { 554 const wifi_scan_result *result1 = static_cast<const wifi_scan_result *>(v1); 555 const wifi_scan_result *result2 = static_cast<const wifi_scan_result *>(v2); 556 return result1->ts - result2->ts; 557} 558 559static jobject android_net_wifi_getScanResults( 560 JNIEnv *env, jclass cls, jint iface, jboolean flush) { 561 562 wifi_cached_scan_results scan_data[64]; 563 int num_scan_data = 64; 564 565 wifi_interface_handle handle = getIfaceHandle(env, cls, iface); 566 ALOGD("getting scan results on interface[%d] = %p", iface, handle); 567 568 byte b = flush ? 0xFF : 0; 569 int result = hal_fn.wifi_get_cached_gscan_results(handle, b, num_scan_data, scan_data, &num_scan_data); 570 if (result == WIFI_SUCCESS) { 571 jobjectArray scanData = createObjectArray(env, 572 "android/net/wifi/WifiScanner$ScanData", num_scan_data); 573 if (scanData == NULL) { 574 ALOGE("Error in allocating array of scanData"); 575 return NULL; 576 } 577 578 for (int i = 0; i < num_scan_data; i++) { 579 580 jobject data = createObject(env, "android/net/wifi/WifiScanner$ScanData"); 581 if (data == NULL) { 582 ALOGE("Error in allocating scanData"); 583 return NULL; 584 } 585 586 setIntField(env, data, "mId", scan_data[i].scan_id); 587 setIntField(env, data, "mFlags", scan_data[i].flags); 588 589 /* sort all scan results by timestamp */ 590 qsort(scan_data[i].results, scan_data[i].num_results, 591 sizeof(wifi_scan_result), compare_scan_result_timestamp); 592 593 jobjectArray scanResults = createObjectArray(env, 594 "android/net/wifi/ScanResult", scan_data[i].num_results); 595 if (scanResults == NULL) { 596 ALOGE("Error in allocating scanResult array"); 597 return NULL; 598 } 599 600 wifi_scan_result *results = scan_data[i].results; 601 for (int j = 0; j < scan_data[i].num_results; j++) { 602 603 jobject scanResult = createObject(env, "android/net/wifi/ScanResult"); 604 if (scanResult == NULL) { 605 ALOGE("Error in creating scan result"); 606 return NULL; 607 } 608 609 setStringField(env, scanResult, "SSID", results[j].ssid); 610 611 char bssid[32]; 612 sprintf(bssid, "%02x:%02x:%02x:%02x:%02x:%02x", results[j].bssid[0], 613 results[j].bssid[1], results[j].bssid[2], results[j].bssid[3], 614 results[j].bssid[4], results[j].bssid[5]); 615 616 setStringField(env, scanResult, "BSSID", bssid); 617 618 setIntField(env, scanResult, "level", results[j].rssi); 619 setIntField(env, scanResult, "frequency", results[j].channel); 620 setLongField(env, scanResult, "timestamp", results[j].ts); 621 622 env->SetObjectArrayElement(scanResults, j, scanResult); 623 env->DeleteLocalRef(scanResult); 624 } 625 626 setObjectField(env, data, "mResults", "[Landroid/net/wifi/ScanResult;", scanResults); 627 env->SetObjectArrayElement(scanData, i, data); 628 } 629 630 return scanData; 631 } else { 632 return NULL; 633 } 634} 635 636 637static jboolean android_net_wifi_getScanCapabilities( 638 JNIEnv *env, jclass cls, jint iface, jobject capabilities) { 639 640 wifi_interface_handle handle = getIfaceHandle(env, cls, iface); 641 ALOGD("getting scan capabilities on interface[%d] = %p", iface, handle); 642 643 wifi_gscan_capabilities c; 644 memset(&c, 0, sizeof(c)); 645 int result = hal_fn.wifi_get_gscan_capabilities(handle, &c); 646 if (result != WIFI_SUCCESS) { 647 ALOGD("failed to get capabilities : %d", result); 648 return JNI_FALSE; 649 } 650 651 setIntField(env, capabilities, "max_scan_cache_size", c.max_scan_cache_size); 652 setIntField(env, capabilities, "max_scan_buckets", c.max_scan_buckets); 653 setIntField(env, capabilities, "max_ap_cache_per_scan", c.max_ap_cache_per_scan); 654 setIntField(env, capabilities, "max_rssi_sample_size", c.max_rssi_sample_size); 655 setIntField(env, capabilities, "max_scan_reporting_threshold", c.max_scan_reporting_threshold); 656 setIntField(env, capabilities, "max_hotlist_bssids", c.max_hotlist_bssids); 657 setIntField(env, capabilities, "max_significant_wifi_change_aps", 658 c.max_significant_wifi_change_aps); 659 660 return JNI_TRUE; 661} 662 663 664static byte parseHexChar(char ch) { 665 if (isdigit(ch)) 666 return ch - '0'; 667 else if ('A' <= ch && ch <= 'F') 668 return ch - 'A' + 10; 669 else if ('a' <= ch && ch <= 'f') 670 return ch - 'a' + 10; 671 else { 672 ALOGE("invalid character in bssid %c", ch); 673 return 0; 674 } 675} 676 677static byte parseHexByte(const char * &str) { 678 byte b = parseHexChar(str[0]); 679 if (str[1] == ':' || str[1] == '\0') { 680 str += 2; 681 return b; 682 } else { 683 b = b << 4 | parseHexChar(str[1]); 684 str += 3; 685 return b; 686 } 687} 688 689static void parseMacAddress(const char *str, mac_addr addr) { 690 addr[0] = parseHexByte(str); 691 addr[1] = parseHexByte(str); 692 addr[2] = parseHexByte(str); 693 addr[3] = parseHexByte(str); 694 addr[4] = parseHexByte(str); 695 addr[5] = parseHexByte(str); 696} 697 698static bool parseMacAddress(JNIEnv *env, jobject obj, mac_addr addr) { 699 jstring macAddrString = (jstring) getObjectField( 700 env, obj, "bssid", "Ljava/lang/String;"); 701 702 if (macAddrString == NULL) { 703 ALOGE("Error getting bssid field"); 704 return false; 705 } 706 707 const char *bssid = env->GetStringUTFChars(macAddrString, NULL); 708 if (bssid == NULL) { 709 ALOGE("Error getting bssid"); 710 return false; 711 } 712 713 parseMacAddress(bssid, addr); 714 return true; 715} 716 717static void onHotlistApFound(wifi_request_id id, 718 unsigned num_results, wifi_scan_result *results) { 719 720 JNIEnv *env = NULL; 721 mVM->AttachCurrentThread(&env, NULL); 722 723 ALOGD("onHotlistApFound called, vm = %p, obj = %p, env = %p, num_results = %d", 724 mVM, mCls, env, num_results); 725 726 jclass clsScanResult = (env)->FindClass("android/net/wifi/ScanResult"); 727 if (clsScanResult == NULL) { 728 ALOGE("Error in accessing class"); 729 return; 730 } 731 732 jobjectArray scanResults = env->NewObjectArray(num_results, clsScanResult, NULL); 733 if (scanResults == NULL) { 734 ALOGE("Error in allocating array"); 735 return; 736 } 737 738 for (unsigned i = 0; i < num_results; i++) { 739 740 jobject scanResult = createObject(env, "android/net/wifi/ScanResult"); 741 if (scanResult == NULL) { 742 ALOGE("Error in creating scan result"); 743 return; 744 } 745 746 setStringField(env, scanResult, "SSID", results[i].ssid); 747 748 char bssid[32]; 749 sprintf(bssid, "%02x:%02x:%02x:%02x:%02x:%02x", results[i].bssid[0], results[i].bssid[1], 750 results[i].bssid[2], results[i].bssid[3], results[i].bssid[4], results[i].bssid[5]); 751 752 setStringField(env, scanResult, "BSSID", bssid); 753 754 setIntField(env, scanResult, "level", results[i].rssi); 755 setIntField(env, scanResult, "frequency", results[i].channel); 756 setLongField(env, scanResult, "timestamp", results[i].ts); 757 758 env->SetObjectArrayElement(scanResults, i, scanResult); 759 760 ALOGD("Found AP %32s %s", results[i].ssid, bssid); 761 } 762 763 reportEvent(env, mCls, "onHotlistApFound", "(I[Landroid/net/wifi/ScanResult;)V", 764 id, scanResults); 765} 766 767static void onHotlistApLost(wifi_request_id id, 768 unsigned num_results, wifi_scan_result *results) { 769 770 JNIEnv *env = NULL; 771 mVM->AttachCurrentThread(&env, NULL); 772 773 ALOGD("onHotlistApLost called, vm = %p, obj = %p, env = %p, num_results = %d", 774 mVM, mCls, env, num_results); 775 776 jclass clsScanResult = (env)->FindClass("android/net/wifi/ScanResult"); 777 if (clsScanResult == NULL) { 778 ALOGE("Error in accessing class"); 779 return; 780 } 781 782 jobjectArray scanResults = env->NewObjectArray(num_results, clsScanResult, NULL); 783 if (scanResults == NULL) { 784 ALOGE("Error in allocating array"); 785 return; 786 } 787 788 for (unsigned i = 0; i < num_results; i++) { 789 790 jobject scanResult = createObject(env, "android/net/wifi/ScanResult"); 791 if (scanResult == NULL) { 792 ALOGE("Error in creating scan result"); 793 return; 794 } 795 796 setStringField(env, scanResult, "SSID", results[i].ssid); 797 798 char bssid[32]; 799 sprintf(bssid, "%02x:%02x:%02x:%02x:%02x:%02x", results[i].bssid[0], results[i].bssid[1], 800 results[i].bssid[2], results[i].bssid[3], results[i].bssid[4], results[i].bssid[5]); 801 802 setStringField(env, scanResult, "BSSID", bssid); 803 804 setIntField(env, scanResult, "level", results[i].rssi); 805 setIntField(env, scanResult, "frequency", results[i].channel); 806 setLongField(env, scanResult, "timestamp", results[i].ts); 807 808 env->SetObjectArrayElement(scanResults, i, scanResult); 809 810 ALOGD("Lost AP %32s %s", results[i].ssid, bssid); 811 } 812 813 reportEvent(env, mCls, "onHotlistApLost", "(I[Landroid/net/wifi/ScanResult;)V", 814 id, scanResults); 815} 816 817 818static jboolean android_net_wifi_setHotlist( 819 JNIEnv *env, jclass cls, jint iface, jint id, jobject ap) { 820 821 wifi_interface_handle handle = getIfaceHandle(env, cls, iface); 822 ALOGD("setting hotlist on interface[%d] = %p", iface, handle); 823 824 wifi_bssid_hotlist_params params; 825 memset(¶ms, 0, sizeof(params)); 826 827 params.lost_ap_sample_size = getIntField(env, ap, "apLostThreshold"); 828 829 jobjectArray array = (jobjectArray) getObjectField(env, ap, 830 "bssidInfos", "[Landroid/net/wifi/WifiScanner$BssidInfo;"); 831 params.num_bssid = env->GetArrayLength(array); 832 833 if (params.num_bssid == 0) { 834 ALOGE("Error in accesing array"); 835 return false; 836 } 837 838 for (int i = 0; i < params.num_bssid; i++) { 839 jobject objAp = env->GetObjectArrayElement(array, i); 840 841 jstring macAddrString = (jstring) getObjectField( 842 env, objAp, "bssid", "Ljava/lang/String;"); 843 if (macAddrString == NULL) { 844 ALOGE("Error getting bssid field"); 845 return false; 846 } 847 848 const char *bssid = env->GetStringUTFChars(macAddrString, NULL); 849 if (bssid == NULL) { 850 ALOGE("Error getting bssid"); 851 return false; 852 } 853 parseMacAddress(bssid, params.ap[i].bssid); 854 855 mac_addr addr; 856 memcpy(addr, params.ap[i].bssid, sizeof(mac_addr)); 857 858 char bssidOut[32]; 859 sprintf(bssidOut, "%0x:%0x:%0x:%0x:%0x:%0x", addr[0], addr[1], 860 addr[2], addr[3], addr[4], addr[5]); 861 862 ALOGD("Added bssid %s", bssidOut); 863 864 params.ap[i].low = getIntField(env, objAp, "low"); 865 params.ap[i].high = getIntField(env, objAp, "high"); 866 } 867 868 wifi_hotlist_ap_found_handler handler; 869 memset(&handler, 0, sizeof(handler)); 870 871 handler.on_hotlist_ap_found = &onHotlistApFound; 872 handler.on_hotlist_ap_lost = &onHotlistApLost; 873 return hal_fn.wifi_set_bssid_hotlist(id, handle, params, handler) == WIFI_SUCCESS; 874} 875 876static jboolean android_net_wifi_resetHotlist( 877 JNIEnv *env, jclass cls, jint iface, jint id) { 878 879 wifi_interface_handle handle = getIfaceHandle(env, cls, iface); 880 ALOGD("resetting hotlist on interface[%d] = %p", iface, handle); 881 882 return hal_fn.wifi_reset_bssid_hotlist(id, handle) == WIFI_SUCCESS; 883} 884 885void onSignificantWifiChange(wifi_request_id id, 886 unsigned num_results, wifi_significant_change_result **results) { 887 JNIEnv *env = NULL; 888 mVM->AttachCurrentThread(&env, NULL); 889 890 ALOGD("onSignificantWifiChange called, vm = %p, obj = %p, env = %p", mVM, mCls, env); 891 892 jclass clsScanResult = (env)->FindClass("android/net/wifi/ScanResult"); 893 if (clsScanResult == NULL) { 894 ALOGE("Error in accessing class"); 895 return; 896 } 897 898 jobjectArray scanResults = env->NewObjectArray(num_results, clsScanResult, NULL); 899 if (scanResults == NULL) { 900 ALOGE("Error in allocating array"); 901 return; 902 } 903 904 for (unsigned i = 0; i < num_results; i++) { 905 906 wifi_significant_change_result result = *(results[i]); 907 908 jobject scanResult = createObject(env, "android/net/wifi/ScanResult"); 909 if (scanResult == NULL) { 910 ALOGE("Error in creating scan result"); 911 return; 912 } 913 914 // setStringField(env, scanResult, "SSID", results[i].ssid); 915 916 char bssid[32]; 917 sprintf(bssid, "%02x:%02x:%02x:%02x:%02x:%02x", result.bssid[0], result.bssid[1], 918 result.bssid[2], result.bssid[3], result.bssid[4], result.bssid[5]); 919 920 setStringField(env, scanResult, "BSSID", bssid); 921 922 setIntField(env, scanResult, "level", result.rssi[0]); 923 setIntField(env, scanResult, "frequency", result.channel); 924 // setLongField(env, scanResult, "timestamp", result.ts); 925 926 env->SetObjectArrayElement(scanResults, i, scanResult); 927 } 928 929 reportEvent(env, mCls, "onSignificantWifiChange", "(I[Landroid/net/wifi/ScanResult;)V", 930 id, scanResults); 931 932} 933 934static jboolean android_net_wifi_trackSignificantWifiChange( 935 JNIEnv *env, jclass cls, jint iface, jint id, jobject settings) { 936 937 wifi_interface_handle handle = getIfaceHandle(env, cls, iface); 938 ALOGD("tracking significant wifi change on interface[%d] = %p", iface, handle); 939 940 wifi_significant_change_params params; 941 memset(¶ms, 0, sizeof(params)); 942 943 params.rssi_sample_size = getIntField(env, settings, "rssiSampleSize"); 944 params.lost_ap_sample_size = getIntField(env, settings, "lostApSampleSize"); 945 params.min_breaching = getIntField(env, settings, "minApsBreachingThreshold"); 946 947 const char *bssid_info_array_type = "[Landroid/net/wifi/WifiScanner$BssidInfo;"; 948 jobjectArray bssids = (jobjectArray)getObjectField( 949 env, settings, "bssidInfos", bssid_info_array_type); 950 params.num_bssid = env->GetArrayLength(bssids); 951 952 if (params.num_bssid == 0) { 953 ALOGE("Error in accessing array"); 954 return false; 955 } 956 957 ALOGD("Initialized common fields %d, %d, %d, %d", params.rssi_sample_size, 958 params.lost_ap_sample_size, params.min_breaching, params.num_bssid); 959 960 for (int i = 0; i < params.num_bssid; i++) { 961 jobject objAp = env->GetObjectArrayElement(bssids, i); 962 963 jstring macAddrString = (jstring) getObjectField( 964 env, objAp, "bssid", "Ljava/lang/String;"); 965 if (macAddrString == NULL) { 966 ALOGE("Error getting bssid field"); 967 return false; 968 } 969 970 const char *bssid = env->GetStringUTFChars(macAddrString, NULL); 971 if (bssid == NULL) { 972 ALOGE("Error getting bssid"); 973 return false; 974 } 975 976 mac_addr addr; 977 parseMacAddress(bssid, addr); 978 memcpy(params.ap[i].bssid, addr, sizeof(mac_addr)); 979 980 char bssidOut[32]; 981 sprintf(bssidOut, "%02x:%02x:%02x:%02x:%02x:%02x", addr[0], addr[1], 982 addr[2], addr[3], addr[4], addr[5]); 983 984 params.ap[i].low = getIntField(env, objAp, "low"); 985 params.ap[i].high = getIntField(env, objAp, "high"); 986 987 ALOGD("Added bssid %s, [%04d, %04d]", bssidOut, params.ap[i].low, params.ap[i].high); 988 } 989 990 ALOGD("Added %d bssids", params.num_bssid); 991 992 wifi_significant_change_handler handler; 993 memset(&handler, 0, sizeof(handler)); 994 995 handler.on_significant_change = &onSignificantWifiChange; 996 return hal_fn.wifi_set_significant_change_handler(id, handle, params, handler) == WIFI_SUCCESS; 997} 998 999static jboolean android_net_wifi_untrackSignificantWifiChange( 1000 JNIEnv *env, jclass cls, jint iface, jint id) { 1001 1002 wifi_interface_handle handle = getIfaceHandle(env, cls, iface); 1003 ALOGD("resetting significant wifi change on interface[%d] = %p", iface, handle); 1004 1005 return hal_fn.wifi_reset_significant_change_handler(id, handle) == WIFI_SUCCESS; 1006} 1007 1008wifi_iface_stat link_stat; 1009wifi_radio_stat radio_stat; // L release has support for only one radio 1010 1011void onLinkStatsResults(wifi_request_id id, wifi_iface_stat *iface_stat, 1012 int num_radios, wifi_radio_stat *radio_stats) 1013{ 1014 if (iface_stat != 0) { 1015 memcpy(&link_stat, iface_stat, sizeof(wifi_iface_stat)); 1016 } else { 1017 memset(&link_stat, 0, sizeof(wifi_iface_stat)); 1018 } 1019 1020 if (num_radios > 0 && radio_stats != 0) { 1021 memcpy(&radio_stat, radio_stats, sizeof(wifi_radio_stat)); 1022 } else { 1023 memset(&radio_stat, 0, sizeof(wifi_radio_stat)); 1024 } 1025} 1026 1027static jobject android_net_wifi_getLinkLayerStats (JNIEnv *env, jclass cls, jint iface) { 1028 1029 wifi_stats_result_handler handler; 1030 memset(&handler, 0, sizeof(handler)); 1031 handler.on_link_stats_results = &onLinkStatsResults; 1032 wifi_interface_handle handle = getIfaceHandle(env, cls, iface); 1033 int result = hal_fn.wifi_get_link_stats(0, handle, handler); 1034 if (result < 0) { 1035 ALOGE("android_net_wifi_getLinkLayerStats: failed to get link statistics\n"); 1036 return NULL; 1037 } 1038 1039 jobject wifiLinkLayerStats = createObject(env, "android/net/wifi/WifiLinkLayerStats"); 1040 if (wifiLinkLayerStats == NULL) { 1041 ALOGE("Error in allocating wifiLinkLayerStats"); 1042 return NULL; 1043 } 1044 1045 setIntField(env, wifiLinkLayerStats, "beacon_rx", link_stat.beacon_rx); 1046 setIntField(env, wifiLinkLayerStats, "rssi_mgmt", link_stat.rssi_mgmt); 1047 setLongField(env, wifiLinkLayerStats, "rxmpdu_be", link_stat.ac[WIFI_AC_BE].rx_mpdu); 1048 setLongField(env, wifiLinkLayerStats, "rxmpdu_bk", link_stat.ac[WIFI_AC_BK].rx_mpdu); 1049 setLongField(env, wifiLinkLayerStats, "rxmpdu_vi", link_stat.ac[WIFI_AC_VI].rx_mpdu); 1050 setLongField(env, wifiLinkLayerStats, "rxmpdu_vo", link_stat.ac[WIFI_AC_VO].rx_mpdu); 1051 setLongField(env, wifiLinkLayerStats, "txmpdu_be", link_stat.ac[WIFI_AC_BE].tx_mpdu); 1052 setLongField(env, wifiLinkLayerStats, "txmpdu_bk", link_stat.ac[WIFI_AC_BK].tx_mpdu); 1053 setLongField(env, wifiLinkLayerStats, "txmpdu_vi", link_stat.ac[WIFI_AC_VI].tx_mpdu); 1054 setLongField(env, wifiLinkLayerStats, "txmpdu_vo", link_stat.ac[WIFI_AC_VO].tx_mpdu); 1055 setLongField(env, wifiLinkLayerStats, "lostmpdu_be", link_stat.ac[WIFI_AC_BE].mpdu_lost); 1056 setLongField(env, wifiLinkLayerStats, "lostmpdu_bk", link_stat.ac[WIFI_AC_BK].mpdu_lost); 1057 setLongField(env, wifiLinkLayerStats, "lostmpdu_vi", link_stat.ac[WIFI_AC_VI].mpdu_lost); 1058 setLongField(env, wifiLinkLayerStats, "lostmpdu_vo", link_stat.ac[WIFI_AC_VO].mpdu_lost); 1059 setLongField(env, wifiLinkLayerStats, "retries_be", link_stat.ac[WIFI_AC_BE].retries); 1060 setLongField(env, wifiLinkLayerStats, "retries_bk", link_stat.ac[WIFI_AC_BK].retries); 1061 setLongField(env, wifiLinkLayerStats, "retries_vi", link_stat.ac[WIFI_AC_VI].retries); 1062 setLongField(env, wifiLinkLayerStats, "retries_vo", link_stat.ac[WIFI_AC_VO].retries); 1063 1064 1065 setIntField(env, wifiLinkLayerStats, "on_time", radio_stat.on_time); 1066 setIntField(env, wifiLinkLayerStats, "tx_time", radio_stat.tx_time); 1067 setIntField(env, wifiLinkLayerStats, "rx_time", radio_stat.rx_time); 1068 setIntField(env, wifiLinkLayerStats, "on_time_scan", radio_stat.on_time_scan); 1069 1070 return wifiLinkLayerStats; 1071} 1072 1073static jint android_net_wifi_getSupportedFeatures(JNIEnv *env, jclass cls, jint iface) { 1074 wifi_interface_handle handle = getIfaceHandle(env, cls, iface); 1075 feature_set set = 0; 1076 1077 wifi_error result = WIFI_SUCCESS; 1078 /* 1079 set = WIFI_FEATURE_INFRA 1080 | WIFI_FEATURE_INFRA_5G 1081 | WIFI_FEATURE_HOTSPOT 1082 | WIFI_FEATURE_P2P 1083 | WIFI_FEATURE_SOFT_AP 1084 | WIFI_FEATURE_GSCAN 1085 | WIFI_FEATURE_PNO 1086 | WIFI_FEATURE_TDLS 1087 | WIFI_FEATURE_EPR; 1088 */ 1089 1090 result = hal_fn.wifi_get_supported_feature_set(handle, &set); 1091 if (result == WIFI_SUCCESS) { 1092 ALOGD("wifi_get_supported_feature_set returned set = 0x%x", set); 1093 return set; 1094 } else { 1095 ALOGD("wifi_get_supported_feature_set returned error = 0x%x", result); 1096 return 0; 1097 } 1098} 1099 1100static void onRttResults(wifi_request_id id, unsigned num_results, wifi_rtt_result* results[]) { 1101 JNIEnv *env = NULL; 1102 mVM->AttachCurrentThread(&env, NULL); 1103 1104 ALOGD("onRttResults called, vm = %p, obj = %p, env = %p", mVM, mCls, env); 1105 1106 jclass clsRttResult = (env)->FindClass("android/net/wifi/RttManager$RttResult"); 1107 if (clsRttResult == NULL) { 1108 ALOGE("Error in accessing class"); 1109 return; 1110 } 1111 1112 jobjectArray rttResults = env->NewObjectArray(num_results, clsRttResult, NULL); 1113 if (rttResults == NULL) { 1114 ALOGE("Error in allocating array"); 1115 return; 1116 } 1117 1118 for (unsigned i = 0; i < num_results; i++) { 1119 1120 wifi_rtt_result *result = results[i]; 1121 1122 jobject rttResult = createObject(env, "android/net/wifi/RttManager$RttResult"); 1123 if (rttResult == NULL) { 1124 ALOGE("Error in creating rtt result"); 1125 return; 1126 } 1127 1128 char bssid[32]; 1129 sprintf(bssid, "%02x:%02x:%02x:%02x:%02x:%02x", result->addr[0], result->addr[1], 1130 result->addr[2], result->addr[3], result->addr[4], result->addr[5]); 1131 1132 setStringField(env, rttResult, "bssid", bssid); 1133 setIntField(env, rttResult, "burstNumber", result->burst_num); 1134 setIntField(env, rttResult, "measurementFrameNumber", result->measurement_number); 1135 setIntField(env, rttResult, "successMeasurementFrameNumber", result->success_number); 1136 setIntField(env, rttResult, "frameNumberPerBurstPeer", result->number_per_burst_peer); 1137 setIntField(env, rttResult, "status", result->status); 1138 setIntField(env, rttResult, "measurementType", result->type); 1139 setIntField(env, rttResult, "retryAfterDuration", result->retry_after_duration); 1140 setLongField(env, rttResult, "ts", result->ts); 1141 setIntField(env, rttResult, "rssi", result->rssi); 1142 setIntField(env, rttResult, "rssiSpread", result->rssi_spread); 1143 setIntField(env, rttResult, "txRate", result->tx_rate.bitrate); 1144 setIntField(env, rttResult, "rxRate", result->rx_rate.bitrate); 1145 setLongField(env, rttResult, "rtt", result->rtt); 1146 setLongField(env, rttResult, "rttStandardDeviation", result->rtt_sd); 1147 setIntField(env, rttResult, "distance", result->distance); 1148 setIntField(env, rttResult, "distanceStandardDeviation", result->distance_sd); 1149 setIntField(env, rttResult, "distanceSpread", result->distance_spread); 1150 setIntField(env, rttResult, "burstDuration", result->burst_duration); 1151 setIntField(env, rttResult, "negotiatedBurstNum", result->negotiated_burst_num); 1152 jobject LCI = createObject(env, "android/net/wifi/RttManager$WifiInformationElement"); 1153 if (result->LCI != NULL && result->LCI->len > 0) { 1154 ALOGD("Add LCI in result"); 1155 setByteField(env, LCI, "id", result->LCI->id); 1156 jbyteArray elements = env->NewByteArray(result->LCI->len); 1157 jbyte *bytes = (jbyte *)&(result->LCI->data[0]); 1158 env->SetByteArrayRegion(elements, 0, result->LCI->len, bytes); 1159 setObjectField(env, LCI, "data", "[B", elements); 1160 env->DeleteLocalRef(elements); 1161 } else { 1162 ALOGD("No LCI in result"); 1163 setByteField(env, LCI, "id", (byte)(0xff)); 1164 } 1165 setObjectField(env, rttResult, "LCI", 1166 "Landroid/net/wifi/RttManager$WifiInformationElement;", LCI); 1167 1168 jobject LCR = createObject(env, "android/net/wifi/RttManager$WifiInformationElement"); 1169 if (result->LCR != NULL && result->LCR->len > 0) { 1170 ALOGD("Add LCR in result"); 1171 setByteField(env, LCR, "id", result->LCR->id); 1172 jbyteArray elements = env->NewByteArray(result->LCI->len); 1173 jbyte *bytes = (jbyte *)&(result->LCR->data[0]); 1174 env->SetByteArrayRegion(elements, 0, result->LCI->len, bytes); 1175 setObjectField(env, LCR, "data", "[B", elements); 1176 env->DeleteLocalRef(elements); 1177 } else { 1178 ALOGD("No LCR in result"); 1179 setByteField(env, LCR, "id", (byte)(0xff)); 1180 } 1181 setObjectField(env, rttResult, "LCR", 1182 "Landroid/net/wifi/RttManager$WifiInformationElement;", LCR); 1183 1184 env->SetObjectArrayElement(rttResults, i, rttResult); 1185 env->DeleteLocalRef(LCI); 1186 env->DeleteLocalRef(LCR); 1187 env->DeleteLocalRef(rttResult); 1188 } 1189 1190 reportEvent(env, mCls, "onRttResults", "(I[Landroid/net/wifi/RttManager$RttResult;)V", 1191 id, rttResults); 1192 1193 //clean the local reference 1194 env->DeleteLocalRef(rttResults); 1195 env->DeleteLocalRef(clsRttResult); 1196 1197} 1198 1199const int MaxRttConfigs = 16; 1200 1201static jboolean android_net_wifi_requestRange( 1202 JNIEnv *env, jclass cls, jint iface, jint id, jobject params) { 1203 1204 wifi_interface_handle handle = getIfaceHandle(env, cls, iface); 1205 ALOGD("sending rtt request [%d] = %p", id, handle); 1206 1207 wifi_rtt_config configs[MaxRttConfigs]; 1208 memset(&configs, 0, sizeof(configs)); 1209 1210 int len = env->GetArrayLength((jobjectArray)params); 1211 if (len > MaxRttConfigs) { 1212 return false; 1213 } 1214 1215 for (int i = 0; i < len; i++) { 1216 1217 jobject param = env->GetObjectArrayElement((jobjectArray)params, i); 1218 if (param == NULL) { 1219 ALOGD("could not get element %d", i); 1220 continue; 1221 } 1222 1223 wifi_rtt_config &config = configs[i]; 1224 1225 parseMacAddress(env, param, config.addr); 1226 config.type = (wifi_rtt_type)getIntField(env, param, "requestType"); 1227 config.peer = (rtt_peer_type)getIntField(env, param, "deviceType"); 1228 config.channel.center_freq = getIntField(env, param, "frequency"); 1229 config.channel.width = (wifi_channel_width) getIntField(env, param, "channelWidth"); 1230 config.channel.center_freq0 = getIntField(env, param, "centerFreq0"); 1231 config.channel.center_freq1 = getIntField(env, param, "centerFreq1"); 1232 1233 config.num_burst = getIntField(env, param, "numberBurst"); 1234 config.burst_period = (unsigned) getIntField(env, param, "interval"); 1235 config.num_frames_per_burst = (unsigned) getIntField(env, param, "numSamplesPerBurst"); 1236 config.num_retries_per_rtt_frame = (unsigned) getIntField(env, param, 1237 "numRetriesPerMeasurementFrame"); 1238 config.num_retries_per_ftmr = (unsigned) getIntField(env, param, "numRetriesPerFTMR"); 1239 config.LCI_request = getBoolField(env, param, "LCIRequest") ? 1 : 0; 1240 config.LCR_request = getBoolField(env, param, "LCRRequest") ? 1 : 0; 1241 config.burst_duration = (unsigned) getIntField(env, param, "burstTimeout"); 1242 config.preamble = (wifi_rtt_preamble) getIntField(env, param, "preamble"); 1243 config.bw = (wifi_rtt_bw) getIntField(env, param, "bandwidth"); 1244 1245 ALOGD("RTT request destination %d: type is %d, peer is %d, bw is %d, center_freq is %d ", i, 1246 config.type,config.peer, config.channel.width, config.channel.center_freq0); 1247 ALOGD("center_freq0 is %d, center_freq1 is %d, num_burst is %d,interval is %d", 1248 config.channel.center_freq0, config.channel.center_freq1, config.num_burst, 1249 config.burst_period); 1250 ALOGD("frames_per_burst is %d, retries of measurement frame is %d, retries_per_ftmr is %d", 1251 config.num_frames_per_burst, config.num_retries_per_rtt_frame, 1252 config.num_retries_per_ftmr); 1253 ALOGD("LCI_requestis %d, LCR_request is %d, burst_timeout is %d, preamble is %d, bw is %d", 1254 config.LCI_request, config.LCR_request, config.burst_duration, config.preamble, 1255 config.bw); 1256 } 1257 1258 wifi_rtt_event_handler handler; 1259 handler.on_rtt_results = &onRttResults; 1260 1261 return hal_fn.wifi_rtt_range_request(id, handle, len, configs, handler) == WIFI_SUCCESS; 1262} 1263 1264static jboolean android_net_wifi_cancelRange( 1265 JNIEnv *env, jclass cls, jint iface, jint id, jobject params) { 1266 1267 wifi_interface_handle handle = getIfaceHandle(env, cls, iface); 1268 ALOGD("cancelling rtt request [%d] = %p", id, handle); 1269 1270 mac_addr addrs[MaxRttConfigs]; 1271 memset(&addrs, 0, sizeof(addrs)); 1272 1273 int len = env->GetArrayLength((jobjectArray)params); 1274 if (len > MaxRttConfigs) { 1275 return false; 1276 } 1277 1278 for (int i = 0; i < len; i++) { 1279 1280 jobject param = env->GetObjectArrayElement((jobjectArray)params, i); 1281 if (param == NULL) { 1282 ALOGD("could not get element %d", i); 1283 continue; 1284 } 1285 1286 parseMacAddress(env, param, addrs[i]); 1287 } 1288 1289 return hal_fn.wifi_rtt_range_cancel(id, handle, len, addrs) == WIFI_SUCCESS; 1290} 1291 1292static jboolean android_net_wifi_setScanningMacOui(JNIEnv *env, jclass cls, 1293 jint iface, jbyteArray param) { 1294 1295 wifi_interface_handle handle = getIfaceHandle(env, cls, iface); 1296 ALOGD("setting scan oui %p", handle); 1297 1298 static const unsigned oui_len = 3; /* OUI is upper 3 bytes of mac_address */ 1299 int len = env->GetArrayLength(param); 1300 if (len != oui_len) { 1301 ALOGE("invalid oui length %d", len); 1302 return false; 1303 } 1304 1305 jbyte* bytes = env->GetByteArrayElements(param, NULL); 1306 if (bytes == NULL) { 1307 ALOGE("failed to get array"); 1308 return false; 1309 } 1310 1311 return hal_fn.wifi_set_scanning_mac_oui(handle, (byte *)bytes) == WIFI_SUCCESS; 1312} 1313 1314static jintArray android_net_wifi_getValidChannels(JNIEnv *env, jclass cls, 1315 jint iface, jint band) { 1316 1317 wifi_interface_handle handle = getIfaceHandle(env, cls, iface); 1318 ALOGD("getting valid channels %p", handle); 1319 1320 static const int MaxChannels = 64; 1321 wifi_channel channels[64]; 1322 int num_channels = 0; 1323 wifi_error result = hal_fn.wifi_get_valid_channels(handle, band, MaxChannels, 1324 channels, &num_channels); 1325 1326 if (result == WIFI_SUCCESS) { 1327 jintArray channelArray = env->NewIntArray(num_channels); 1328 if (channelArray == NULL) { 1329 ALOGE("failed to allocate channel list"); 1330 return NULL; 1331 } 1332 1333 env->SetIntArrayRegion(channelArray, 0, num_channels, channels); 1334 return channelArray; 1335 } else { 1336 ALOGE("failed to get channel list : %d", result); 1337 return NULL; 1338 } 1339} 1340 1341static jboolean android_net_wifi_setDfsFlag(JNIEnv *env, jclass cls, jint iface, jboolean dfs) { 1342 wifi_interface_handle handle = getIfaceHandle(env, cls, iface); 1343 ALOGD("setting dfs flag to %s, %p", dfs ? "true" : "false", handle); 1344 1345 u32 nodfs = dfs ? 0 : 1; 1346 wifi_error result = hal_fn.wifi_set_nodfs_flag(handle, nodfs); 1347 return result == WIFI_SUCCESS; 1348} 1349 1350static jobject android_net_wifi_get_rtt_capabilities(JNIEnv *env, jclass cls, jint iface) { 1351 wifi_rtt_capabilities rtt_capabilities; 1352 wifi_interface_handle handle = getIfaceHandle(env, cls, iface); 1353 wifi_error ret = hal_fn.wifi_get_rtt_capabilities(handle, &rtt_capabilities); 1354 1355 if(WIFI_SUCCESS == ret) { 1356 jobject capabilities = createObject(env, "android/net/wifi/RttManager$RttCapabilities"); 1357 setBooleanField(env, capabilities, "oneSidedRttSupported", 1358 rtt_capabilities.rtt_one_sided_supported == 1); 1359 setBooleanField(env, capabilities, "twoSided11McRttSupported", 1360 rtt_capabilities.rtt_ftm_supported == 1); 1361 setBooleanField(env, capabilities, "lciSupported", 1362 rtt_capabilities.lci_support); 1363 setBooleanField(env,capabilities, "lcrSupported", 1364 rtt_capabilities.lcr_support); 1365 setIntField(env, capabilities, "preambleSupported", 1366 rtt_capabilities.preamble_support); 1367 setIntField(env, capabilities, "bwSupported", 1368 rtt_capabilities.bw_support); 1369 ALOGD("One side RTT is: %s", rtt_capabilities.rtt_one_sided_supported ==1 ? "support" : 1370 "not support"); 1371 ALOGD("Two side RTT is: %s", rtt_capabilities.rtt_ftm_supported == 1 ? "support" : 1372 "not support"); 1373 ALOGD("LCR is: %s", rtt_capabilities.lcr_support == 1 ? "support" : "not support"); 1374 1375 ALOGD("LCI is: %s", rtt_capabilities.lci_support == 1 ? "support" : "not support"); 1376 1377 ALOGD("Support Preamble is : %d support BW is %d", rtt_capabilities.preamble_support, 1378 rtt_capabilities.bw_support); 1379 return capabilities; 1380 } else { 1381 return NULL; 1382 } 1383} 1384 1385static jboolean android_net_wifi_set_Country_Code_Hal(JNIEnv *env,jclass cls, jint iface, 1386 jstring country_code) { 1387 1388 wifi_interface_handle handle = getIfaceHandle(env, cls, iface); 1389 const char *country = env->GetStringUTFChars(country_code, NULL); 1390 1391 ALOGD("set country code: %s", country); 1392 wifi_error res = hal_fn.wifi_set_country_code(handle, country); 1393 env->ReleaseStringUTFChars(country_code, country); 1394 1395 return res == WIFI_SUCCESS; 1396} 1397 1398static jboolean android_net_wifi_enable_disable_tdls(JNIEnv *env,jclass cls, jint iface, 1399 jboolean enable, jstring addr) { 1400 wifi_interface_handle handle = getIfaceHandle(env, cls, iface); 1401 1402 mac_addr address; 1403 parseMacAddress(env, addr, address); 1404 wifi_tdls_handler tdls_handler; 1405 //tdls_handler.on_tdls_state_changed = &on_tdls_state_changed; 1406 1407 if(enable) { 1408 return (hal_fn.wifi_enable_tdls(handle, address, NULL, tdls_handler) == WIFI_SUCCESS); 1409 } else { 1410 return (hal_fn.wifi_disable_tdls(handle, address) == WIFI_SUCCESS); 1411 } 1412} 1413 1414static void on_tdls_state_changed(mac_addr addr, wifi_tdls_status status) { 1415 JNIEnv *env = NULL; 1416 mVM->AttachCurrentThread(&env, NULL); 1417 1418 ALOGD("on_tdls_state_changed is called: vm = %p, obj = %p, env = %p", mVM, mCls, env); 1419 1420 char mac[32]; 1421 sprintf(mac, "%02x:%02x:%02x:%02x:%02x:%02x", addr[0], addr[1], addr[2], addr[3], addr[4], 1422 addr[5]); 1423 1424 jstring mac_address = env->NewStringUTF(mac); 1425 reportEvent(env, mCls, "onTdlsStatus", "(Ljava/lang/StringII;)V", 1426 mac_address, status.state, status.reason); 1427 1428} 1429 1430static jobject android_net_wifi_get_tdls_status(JNIEnv *env,jclass cls, jint iface,jstring addr) { 1431 wifi_interface_handle handle = getIfaceHandle(env, cls, iface); 1432 1433 mac_addr address; 1434 parseMacAddress(env, addr, address); 1435 1436 wifi_tdls_status status; 1437 1438 wifi_error ret; 1439 ret = hal_fn.wifi_get_tdls_status(handle, address, &status ); 1440 1441 if (ret != WIFI_SUCCESS) { 1442 return NULL; 1443 } else { 1444 jobject tdls_status = createObject(env, "com/android/server/wifi/WifiNative$TdlsStatus"); 1445 setIntField(env, tdls_status, "channel", status.channel); 1446 setIntField(env, tdls_status, "global_operating_class", status.global_operating_class); 1447 setIntField(env, tdls_status, "state", status.state); 1448 setIntField(env, tdls_status, "reason", status.reason); 1449 return tdls_status; 1450 } 1451} 1452 1453static jobject android_net_wifi_get_tdls_capabilities(JNIEnv *env, jclass cls, jint iface) { 1454 wifi_tdls_capabilities tdls_capabilities; 1455 wifi_interface_handle handle = getIfaceHandle(env, cls, iface); 1456 wifi_error ret = hal_fn.wifi_get_tdls_capabilities(handle, &tdls_capabilities); 1457 1458 if(WIFI_SUCCESS == ret) { 1459 jobject capabilities = createObject(env, 1460 "com/android/server/wifi/WifiNative$TdlsCapabilities"); 1461 setIntField(env, capabilities, "maxConcurrentTdlsSessionNumber", 1462 tdls_capabilities.max_concurrent_tdls_session_num); 1463 setBooleanField(env, capabilities, "isGlobalTdlsSupported", 1464 tdls_capabilities.is_global_tdls_supported == 1); 1465 setBooleanField(env, capabilities, "isPerMacTdlsSupported", 1466 tdls_capabilities.is_per_mac_tdls_supported == 1); 1467 setBooleanField(env,capabilities, "isOffChannelTdlsSupported", 1468 tdls_capabilities.is_off_channel_tdls_supported); 1469 1470 ALOGD("TDLS Max Concurrent Tdls Session Number is: %d", 1471 tdls_capabilities.max_concurrent_tdls_session_num); 1472 ALOGD("Global Tdls is: %s", tdls_capabilities.is_global_tdls_supported == 1 ? "support" : 1473 "not support"); 1474 ALOGD("Per Mac Tdls is: %s", tdls_capabilities.is_per_mac_tdls_supported == 1 ? "support" : 1475 "not support"); 1476 ALOGD("Off Channel Tdls is: %s", tdls_capabilities.is_off_channel_tdls_supported == 1 ? 1477 "support" : "not support"); 1478 1479 return capabilities; 1480 } else { 1481 return NULL; 1482 } 1483} 1484 1485// ---------------------------------------------------------------------------- 1486// Debug framework 1487// ---------------------------------------------------------------------------- 1488 1489static void onRingBufferData(char * ring_name, char * buffer, 1490int buffer_size, wifi_ring_buffer_status *status) { 1491 JNIEnv *env = NULL; 1492 mVM->AttachCurrentThread(&env, NULL); 1493 1494 ALOGD("onRingBufferData called, vm = %p, obj = %p, env = %p", mVM, mCls, env); 1495 1496 reportEvent(env, mCls, "onDataAvailable", "(I[Landroid/net/wifi/WiFiLogger$LogData;)V", 1497 0, 0); 1498} 1499 1500static jint android_net_wifi_get_supported_logger_feature(JNIEnv *env, jclass cls, jint iface){ 1501 //Not implemented yet 1502 wifi_interface_handle handle = getIfaceHandle(env, cls, iface); 1503 return -1; 1504} 1505 1506static jobject android_net_wifi_get_driver_version(JNIEnv *env, jclass cls, jint iface) { 1507 //Need to be fixed. The memory should be allocated from lower layer 1508 //char *buffer = NULL; 1509 int buffer_length = 256; 1510 char *buffer = (char *)malloc(buffer_length); 1511 if (!buffer) return NULL; 1512 memset(buffer, 0, buffer_length); 1513 wifi_interface_handle handle = getIfaceHandle(env, cls, iface); 1514 1515 ALOGD("android_net_wifi_get_driver_version = %p", handle); 1516 1517 if (handle == 0) { 1518 return NULL; 1519 } 1520 1521 wifi_error result = hal_fn.wifi_get_driver_version(handle, buffer, buffer_length); 1522 1523 if (result == WIFI_SUCCESS) { 1524 ALOGD("buffer is %p, length is %d", buffer, buffer_length); 1525 jstring driver_version = env->NewStringUTF(buffer); 1526 free(buffer); 1527 return driver_version; 1528 } else { 1529 ALOGD("Fail to get driver version"); 1530 return NULL; 1531 } 1532} 1533 1534static jobject android_net_wifi_get_firmware_version(JNIEnv *env, jclass cls, jint iface) { 1535 1536 //char *buffer = NULL; 1537 int buffer_length = 256; 1538 char *buffer = (char *)malloc(buffer_length); 1539 if (!buffer) return NULL; 1540 memset(buffer, 0, buffer_length); 1541 wifi_interface_handle handle = getIfaceHandle(env, cls, iface); 1542 1543 ALOGD("android_net_wifi_get_firmware_version = %p", handle); 1544 1545 if (handle == 0) { 1546 return NULL; 1547 } 1548 1549 wifi_error result = hal_fn.wifi_get_firmware_version(handle, buffer, buffer_length); 1550 1551 if (result == WIFI_SUCCESS) { 1552 ALOGD("buffer is %p, length is %d", buffer, buffer_length); 1553 jstring firmware_version = env->NewStringUTF(buffer); 1554 free(buffer); 1555 return firmware_version; 1556 } else { 1557 ALOGD("Fail to get Firmware version"); 1558 return NULL; 1559 } 1560} 1561 1562static jobject android_net_wifi_get_ring_buffer_status (JNIEnv *env, jclass cls, jint iface) { 1563 1564 wifi_interface_handle handle = getIfaceHandle(env, cls, iface); 1565 1566 ALOGD(" android_net_wifi_get_ring_buffer_status = %p", handle); 1567 1568 if (handle == 0) { 1569 return NULL; 1570 } 1571 1572 //wifi_ring_buffer_status *status = NULL; 1573 u32 num_rings = 10; 1574 wifi_ring_buffer_status *status = 1575 (wifi_ring_buffer_status *)malloc(sizeof(wifi_ring_buffer_status) * num_rings); 1576 if (!status) return NULL; 1577 memset(status, 0, sizeof(wifi_ring_buffer_status) * num_rings); 1578 wifi_error result = hal_fn.wifi_get_ring_buffers_status(handle, &num_rings, status); 1579 if (result == WIFI_SUCCESS) { 1580 ALOGD("status is %p, number is %d", status, num_rings); 1581 jclass clsRingBufferStatus = 1582 (env)->FindClass("com/android/server/wifi/WifiLogger$RingBufferStatus"); 1583 if (clsRingBufferStatus == NULL) { 1584 ALOGE("Error in accessing class"); 1585 free(status); 1586 return NULL; 1587 } 1588 jobjectArray ringBuffersStatus = env->NewObjectArray(num_rings,clsRingBufferStatus, NULL); 1589 wifi_ring_buffer_status *tmp = status; 1590 1591 for(u32 i = 0; i < num_rings; i++, tmp++) { 1592 jobject ringStatus = createObject(env, 1593 "com/android/server/wifi/WifiLogger$RingBufferStatus"); 1594 if (ringStatus == NULL) { 1595 ALOGE("Error in creating ringBufferStatus"); 1596 free(status); 1597 return NULL; 1598 } 1599 char name[32]; 1600 for(int j = 0; j < 32; j++) { 1601 name[j] = tmp->name[j]; 1602 } 1603 setStringField(env, ringStatus, "name", name); 1604 setIntField(env, ringStatus, "flag", tmp->flags); 1605 setIntField(env, ringStatus, "ringBufferId", tmp->ring_id); 1606 setIntField(env, ringStatus, "ringBufferByteSize", tmp->ring_buffer_byte_size); 1607 setIntField(env, ringStatus, "verboseLevel", tmp->verbose_level); 1608 setIntField(env, ringStatus, "writtenBytes", tmp->written_bytes); 1609 setIntField(env, ringStatus, "readBytes", tmp->read_bytes); 1610 setIntField(env, ringStatus, "writtenRecords", tmp->written_records); 1611 env->SetObjectArrayElement(ringBuffersStatus, i, ringStatus); 1612 } 1613 free(status); 1614 return ringBuffersStatus; 1615 } else { 1616 free(status); 1617 return NULL; 1618 } 1619} 1620 1621static void on_ring_buffer_data(char *ring_name, char *buffer, int buffer_size, 1622 wifi_ring_buffer_status *status) { 1623 if (!ring_name || !buffer || !status || buffer_size <= sizeof(wifi_ring_buffer_entry)) { 1624 ALOGE("Error input for on_ring_buffer_data!"); 1625 } 1626 JNIEnv *env = NULL; 1627 mVM->AttachCurrentThread(&env, NULL); 1628 ALOGD("on_ring_buffer_data called, vm = %p, obj = %p, env = %p buffer size = %d", mVM, 1629 mCls, env, buffer_size); 1630 1631 jobject wifiLoggerEvent = createObject(env, 1632 "com/android/server/wifi/WifiNative$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 1698static jboolean android_net_wifi_start_logging_ring_buffer(JNIEnv *env, jclass cls, jint iface, 1699 jint verbose_level,jint flags, jint max_interval,jint min_data_size, jstring ring_name) { 1700 1701 wifi_interface_handle handle = getIfaceHandle(env, cls, iface); 1702 1703 ALOGD("android_net_wifi_start_logging_ring_buffer = %p", handle); 1704 1705 if (handle == 0) { 1706 return false; 1707 } 1708 1709 //set logging handler 1710 1711 //initialize the handler on first time 1712 wifi_ring_buffer_data_handler handler; 1713 handler.on_ring_buffer_data = &on_ring_buffer_data; 1714 int result = hal_fn.wifi_set_log_handler(0, handle, handler); 1715 if (result != WIFI_SUCCESS) { 1716 ALOGE("Fail to set logging handler"); 1717 return false; 1718 } else { 1719 ALOGE(" Successfully set on_ring_buffer_data"); 1720 } 1721 //set alter handler 1722 wifi_alert_handler alert_handler; 1723 alert_handler.on_alert = &on_alert_data; 1724 result = hal_fn.wifi_set_alert_handler(0, handle, alert_handler); 1725 if (result != WIFI_SUCCESS) { 1726 ALOGE(" Fail to set logging handler"); 1727 return false; 1728 } else { 1729 ALOGE(" Successfully set on_alert"); 1730 } 1731 1732 1733 const char* ring_name_const_char = env->GetStringUTFChars(ring_name, JNI_FALSE); 1734 int len; 1735 for(len = 0; ring_name_const_char[len] != 0; len++); 1736 1737 char* ring_name_char = (char*) malloc(len+1); 1738 memcpy(ring_name_char, ring_name_const_char, len+1); 1739 1740 int ret = hal_fn.wifi_start_logging(handle, verbose_level, flags, max_interval, min_data_size, 1741 ring_name_char); 1742 1743 if (ret != WIFI_SUCCESS) { 1744 ALOGE("Fail to start logging for ring %s", ring_name); 1745 } else { 1746 ALOGD("start logging for ring %s", ring_name); 1747 } 1748 env->ReleaseStringUTFChars(ring_name, ring_name_char); 1749 return ret == WIFI_SUCCESS; 1750} 1751 1752static jboolean android_net_wifi_get_ring_buffer_data(JNIEnv *env, jclass cls, jint iface, 1753 jstring ring_name) { 1754 wifi_interface_handle handle = getIfaceHandle(env, cls, iface); 1755 ALOGD("android_net_wifi_get_ring_buffer_data = %p", handle); 1756 1757 1758 const char* ring_name_const_char = env->GetStringUTFChars(ring_name, JNI_FALSE); 1759 int len; 1760 for(len = 0; ring_name_const_char[len] != 0; len++); 1761 char* ring_name_char = (char*) malloc(len+1); 1762 memcpy(ring_name_char, ring_name_const_char, len+1); 1763 1764 int result = hal_fn.wifi_get_ring_data(handle, ring_name_char); 1765 1766 if (result == WIFI_SUCCESS) 1767 ALOGD("Get Ring data command success\n"); 1768 else 1769 ALOGE("Failed to execute get ring data command\n"); 1770 1771 env->ReleaseStringUTFChars(ring_name, ring_name_char); 1772 return result == WIFI_SUCCESS; 1773} 1774 1775 1776void on_firmware_memory_dump(char *buffer, int buffer_size) { 1777 JNIEnv *env = NULL; 1778 mVM->AttachCurrentThread(&env, NULL); 1779 ALOGD("on_firmware_memory_dump called, vm = %p, obj = %p, env = %p buffer_size = %d" 1780 , mVM, mCls, env, buffer_size); 1781 1782 if (buffer_size > 0) { 1783 jbyteArray dump = env->NewByteArray(buffer_size); 1784 jbyte *bytes = (jbyte *) (buffer); 1785 env->SetByteArrayRegion(dump, 0, buffer_size, bytes); 1786 reportEvent(env, mCls,"onWifiFwMemoryAvailable","([B)V", dump); 1787 env->DeleteLocalRef(dump); 1788 } 1789 1790} 1791 1792static jboolean android_net_wifi_get_fw_memory_dump(JNIEnv *env, jclass cls, jint iface){ 1793 wifi_interface_handle handle = getIfaceHandle(env, cls, iface); 1794 ALOGD("android_net_wifi_get_fw_memory_dump = %p", handle); 1795 1796 if (handle == NULL) { 1797 ALOGE("Can not get wifi_interface_handle"); 1798 return false; 1799 } 1800 1801 wifi_firmware_memory_dump_handler fw_dump_handle; 1802 fw_dump_handle.on_firmware_memory_dump = on_firmware_memory_dump; 1803 int result = hal_fn.wifi_get_firmware_memory_dump(handle, fw_dump_handle); 1804 return result == WIFI_SUCCESS; 1805 1806} 1807 1808// ---------------------------------------------------------------------------- 1809// ePno framework 1810// ---------------------------------------------------------------------------- 1811 1812 1813static void onPnoNetworkFound(wifi_request_id id, 1814 unsigned num_results, wifi_scan_result *results) { 1815 JNIEnv *env = NULL; 1816 mVM->AttachCurrentThread(&env, NULL); 1817 1818 ALOGD("onPnoNetworkFound called, vm = %p, obj = %p, env = %p, num_results %u", 1819 mVM, mCls, env, num_results); 1820 1821 if (results == 0 || num_results == 0) { 1822 ALOGE("onPnoNetworkFound: Error no results"); 1823 return; 1824 } 1825 1826 jobject scanResult; 1827 jbyte *bytes; 1828 jobjectArray scanResults; 1829 //jbyteArray elements; 1830 1831 for (unsigned i=0; i<num_results; i++) { 1832 1833 scanResult = createScanResult(env, &results[i]); 1834 if (i == 0) { 1835 scanResults = env->NewObjectArray(num_results, 1836 env->FindClass("android/net/wifi/ScanResult"), scanResult); 1837 if (scanResults == 0) { 1838 ALOGD("cant allocate array"); 1839 } else { 1840 ALOGD("allocated array %u", env->GetArrayLength(scanResults)); 1841 } 1842 } else { 1843 env->SetObjectArrayElement(scanResults, i, scanResult); 1844 } 1845 1846 ALOGD("Scan result with ie length %d, i %u, <%s> rssi=%d %02x:%02x:%02x:%02x:%02x:%02x", 1847 results->ie_length, i, results[i].ssid, results[i].rssi, results[i].bssid[0], 1848 results[i].bssid[1],results[i].bssid[2], results[i].bssid[3], results[i].bssid[4], 1849 results[i].bssid[5]); 1850 1851 /*elements = env->NewByteArray(results->ie_length); 1852 if (elements == NULL) { 1853 ALOGE("Error in allocating array"); 1854 return; 1855 }*/ 1856 1857 //ALOGD("onPnoNetworkFound: Setting byte array"); 1858 1859 //bytes = (jbyte *)&(results->ie_data[0]); 1860 //env->SetByteArrayRegion(elements, 0, results->ie_length, bytes); 1861 1862 //ALOGD("onPnoNetworkFound: Returning result"); 1863 } 1864 1865 1866 ALOGD("calling report"); 1867 1868 reportEvent(env, mCls, "onPnoNetworkFound", "(I[Landroid/net/wifi/ScanResult;)V", id, 1869 scanResults); 1870 ALOGD("free ref"); 1871 1872 env->DeleteLocalRef(scanResults); 1873 //env->DeleteLocalRef(elements); 1874} 1875 1876static jboolean android_net_wifi_setPnoListNative( 1877 JNIEnv *env, jclass cls, jint iface, jint id, jobject list) { 1878 1879 wifi_epno_handler handler; 1880 handler.on_network_found = &onPnoNetworkFound; 1881 1882 wifi_interface_handle handle = getIfaceHandle(env, cls, iface); 1883 ALOGD("configure ePno list request [%d] = %p", id, handle); 1884 1885 if (list == NULL) { 1886 // stop pno 1887 int result = hal_fn.wifi_set_epno_list(id, handle, 0, NULL, handler); 1888 ALOGE(" setPnoListNative: STOP result = %d", result); 1889 return result; 1890 } 1891 1892 wifi_epno_network net_list[MAX_PNO_SSID]; 1893 memset(&net_list, 0, sizeof(net_list)); 1894 1895 size_t len = env->GetArrayLength((jobjectArray)list); 1896 if (len > (size_t)MAX_PNO_SSID) { 1897 return false; 1898 } 1899 1900 for (unsigned int i = 0; i < len; i++) { 1901 1902 jobject pno_net = env->GetObjectArrayElement((jobjectArray)list, i); 1903 if (pno_net == NULL) { 1904 ALOGD("setPnoListNative: could not get element %d", i); 1905 continue; 1906 } 1907 1908 jstring sssid = (jstring) getObjectField( 1909 env, pno_net, "SSID", "Ljava/lang/String;"); 1910 if (sssid == NULL) { 1911 ALOGE("Error setPnoListNative: getting ssid field"); 1912 return false; 1913 } 1914 1915 const char *ssid = env->GetStringUTFChars(sssid, NULL); 1916 if (ssid == NULL) { 1917 ALOGE("Error setPnoListNative: getting ssid"); 1918 return false; 1919 } 1920 int ssid_len = strnlen((const char*)ssid, 33); 1921 if (ssid_len > 32) { 1922 ALOGE("Error setPnoListNative: long ssid %u", strnlen((const char*)ssid, 256)); 1923 return false; 1924 } 1925 if (ssid_len > 1 && ssid[0] == '"' && ssid[ssid_len-1]) 1926 { 1927 // strip leading and trailing '"' 1928 ssid++; 1929 ssid_len-=2; 1930 } 1931 if (ssid_len == 0) { 1932 ALOGE("Error setPnoListNative: zero length ssid, skip it"); 1933 continue; 1934 } 1935 memcpy(net_list[i].ssid, ssid, ssid_len); 1936 1937 int rssit = getIntField(env, pno_net, "rssi_threshold"); 1938 net_list[i].rssi_threshold = (byte)rssit; 1939 int a = getIntField(env, pno_net, "auth"); 1940 net_list[i].auth_bit_field = a; 1941 int f = getIntField(env, pno_net, "flags"); 1942 net_list[i].flags = f; 1943 ALOGE(" setPnoListNative: idx %u rssi %d/%d auth %x/%x flags %x/%x [%s]", i, 1944 (signed byte)net_list[i].rssi_threshold, net_list[i].rssi_threshold, 1945 net_list[i].auth_bit_field, a, net_list[i].flags, f, net_list[i].ssid); 1946 } 1947 1948 int result = hal_fn.wifi_set_epno_list(id, handle, len, net_list, handler); 1949 ALOGE(" setPnoListNative: result %d", result); 1950 1951 return result >= 0; 1952} 1953 1954static jboolean android_net_wifi_setLazyRoam( 1955 JNIEnv *env, jclass cls, jint iface, jint id, jboolean enabled, jobject roam_param) { 1956 1957 jboolean status = true; 1958 wifi_roam_params params; 1959 memset(¶ms, 0, sizeof(params)); 1960 1961 wifi_interface_handle handle = getIfaceHandle(env, cls, iface); 1962 ALOGD("configure lazy roam request [%d] = %p", id, handle); 1963 1964 if (roam_param != NULL) { 1965 params.A_band_boost_threshold = getIntField(env, roam_param, "A_band_boost_threshold"); 1966 params.A_band_penalty_threshold = getIntField(env, roam_param, "A_band_penalty_threshold"); 1967 params.A_band_boost_factor = getIntField(env, roam_param, "A_band_boost_factor"); 1968 params.A_band_penalty_factor = getIntField(env, roam_param, "A_band_penalty_factor"); 1969 params.A_band_max_boost = getIntField(env, roam_param, "A_band_max_boost"); 1970 params.lazy_roam_hysteresis = getIntField(env, roam_param, "lazy_roam_hysteresis"); 1971 params.alert_roam_rssi_trigger = getIntField(env, roam_param, "alert_roam_rssi_trigger"); 1972 status = hal_fn.wifi_set_gscan_roam_params(id, handle, ¶ms); 1973 } 1974 if (status) { 1975 int doEnable = enabled ? 1 : 0; 1976 status = hal_fn.wifi_enable_lazy_roam(id, handle, doEnable); 1977 } 1978 ALOGE("android_net_wifi_setLazyRoam\n"); 1979 return status; 1980} 1981 1982// ---------------------------------------------------------------------------- 1983 1984/* 1985 * JNI registration. 1986 */ 1987static JNINativeMethod gWifiMethods[] = { 1988 /* name, signature, funcPtr */ 1989 1990 { "loadDriver", "()Z", (void *)android_net_wifi_loadDriver }, 1991 { "isDriverLoaded", "()Z", (void *)android_net_wifi_isDriverLoaded }, 1992 { "unloadDriver", "()Z", (void *)android_net_wifi_unloadDriver }, 1993 { "startSupplicant", "(Z)Z", (void *)android_net_wifi_startSupplicant }, 1994 { "killSupplicant", "(Z)Z", (void *)android_net_wifi_killSupplicant }, 1995 { "connectToSupplicantNative", "()Z", (void *)android_net_wifi_connectToSupplicant }, 1996 { "closeSupplicantConnectionNative", "()V", 1997 (void *)android_net_wifi_closeSupplicantConnection }, 1998 { "waitForEventNative", "()Ljava/lang/String;", (void*)android_net_wifi_waitForEvent }, 1999 { "doBooleanCommandNative", "(Ljava/lang/String;)Z", (void*)android_net_wifi_doBooleanCommand }, 2000 { "doIntCommandNative", "(Ljava/lang/String;)I", (void*)android_net_wifi_doIntCommand }, 2001 { "doStringCommandNative", "(Ljava/lang/String;)Ljava/lang/String;", 2002 (void*) android_net_wifi_doStringCommand }, 2003 { "startHalNative", "()Z", (void*) android_net_wifi_startHal }, 2004 { "stopHalNative", "()V", (void*) android_net_wifi_stopHal }, 2005 { "waitForHalEventNative", "()V", (void*) android_net_wifi_waitForHalEvents }, 2006 { "getInterfacesNative", "()I", (void*) android_net_wifi_getInterfaces}, 2007 { "getInterfaceNameNative", "(I)Ljava/lang/String;", (void*) android_net_wifi_getInterfaceName}, 2008 { "getScanCapabilitiesNative", "(ILcom/android/server/wifi/WifiNative$ScanCapabilities;)Z", 2009 (void *) android_net_wifi_getScanCapabilities}, 2010 { "startScanNative", "(IILcom/android/server/wifi/WifiNative$ScanSettings;)Z", 2011 (void*) android_net_wifi_startScan}, 2012 { "stopScanNative", "(II)Z", (void*) android_net_wifi_stopScan}, 2013 { "getScanResultsNative", "(IZ)[Landroid/net/wifi/WifiScanner$ScanData;", 2014 (void *) android_net_wifi_getScanResults}, 2015 { "setHotlistNative", "(IILandroid/net/wifi/WifiScanner$HotlistSettings;)Z", 2016 (void*) android_net_wifi_setHotlist}, 2017 { "resetHotlistNative", "(II)Z", (void*) android_net_wifi_resetHotlist}, 2018 { "trackSignificantWifiChangeNative", "(IILandroid/net/wifi/WifiScanner$WifiChangeSettings;)Z", 2019 (void*) android_net_wifi_trackSignificantWifiChange}, 2020 { "untrackSignificantWifiChangeNative", "(II)Z", 2021 (void*) android_net_wifi_untrackSignificantWifiChange}, 2022 { "getWifiLinkLayerStatsNative", "(I)Landroid/net/wifi/WifiLinkLayerStats;", 2023 (void*) android_net_wifi_getLinkLayerStats}, 2024 { "getSupportedFeatureSetNative", "(I)I", 2025 (void*) android_net_wifi_getSupportedFeatures}, 2026 { "requestRangeNative", "(II[Landroid/net/wifi/RttManager$RttParams;)Z", 2027 (void*) android_net_wifi_requestRange}, 2028 { "cancelRangeRequestNative", "(II[Landroid/net/wifi/RttManager$RttParams;)Z", 2029 (void*) android_net_wifi_cancelRange}, 2030 { "setScanningMacOuiNative", "(I[B)Z", (void*) android_net_wifi_setScanningMacOui}, 2031 { "getChannelsForBandNative", "(II)[I", (void*) android_net_wifi_getValidChannels}, 2032 { "setDfsFlagNative", "(IZ)Z", (void*) android_net_wifi_setDfsFlag}, 2033 { "toggleInterfaceNative", "(I)Z", (void*) android_net_wifi_toggle_interface}, 2034 { "getRttCapabilitiesNative", "(I)Landroid/net/wifi/RttManager$RttCapabilities;", 2035 (void*) android_net_wifi_get_rtt_capabilities}, 2036 {"setCountryCodeHalNative", "(ILjava/lang/String;)Z", 2037 (void*) android_net_wifi_set_Country_Code_Hal}, 2038 { "setPnoListNative", "(II[Lcom/android/server/wifi/WifiNative$WifiPnoNetwork;)Z", 2039 (void*) android_net_wifi_setPnoListNative}, 2040 {"enableDisableTdlsNative", "(IZLjava/lang/String;)Z", 2041 (void*) android_net_wifi_enable_disable_tdls}, 2042 {"getTdlsStatusNative", "(ILjava/lang/String;)Lcom/android/server/wifi/WifiNative$TdlsStatus;", 2043 (void*) android_net_wifi_get_tdls_status}, 2044 {"getTdlsCapabilitiesNative", "(I)Lcom/android/server/wifi/WifiNative$TdlsCapabilities;", 2045 (void*) android_net_wifi_get_tdls_capabilities}, 2046 {"getSupportedLoggerFeatureSetNative","(I)I", 2047 (void*) android_net_wifi_get_supported_logger_feature}, 2048 {"getDriverVersionNative", "(I)Ljava/lang/String;", 2049 (void*) android_net_wifi_get_driver_version}, 2050 {"getFirmwareVersionNative", "(I)Ljava/lang/String;", 2051 (void*) android_net_wifi_get_firmware_version}, 2052 {"getRingBufferStatusNative", "(I)[Lcom/android/server/wifi/WifiLogger$RingBufferStatus;", 2053 (void*) android_net_wifi_get_ring_buffer_status}, 2054 {"startLoggingRingBufferNative", "(IIIIILjava/lang/String;)Z", 2055 (void*) android_net_wifi_start_logging_ring_buffer}, 2056 {"getRingBufferDataNative", "(ILjava/lang/String;)Z", 2057 (void*) android_net_wifi_get_ring_buffer_data}, 2058 {"getFwMemoryDumpNative","(I)Z", (void*) android_net_wifi_get_fw_memory_dump}, 2059 { "setLazyRoam", "(IIZLcom/android/server/wifi/WifiNative$WifiLazyRoamParams;)Z", 2060 (void*) android_net_wifi_setLazyRoam} 2061}; 2062 2063int register_android_net_wifi_WifiNative(JNIEnv* env) { 2064 return AndroidRuntime::registerNativeMethods(env, 2065 "com/android/server/wifi/WifiNative", gWifiMethods, NELEM(gWifiMethods)); 2066} 2067 2068 2069/* User to register native functions */ 2070extern "C" 2071jint Java_com_android_server_wifi_WifiNative_registerNatives(JNIEnv* env, jclass clazz) { 2072 return AndroidRuntime::registerNativeMethods(env, 2073 "com/android/server/wifi/WifiNative", gWifiMethods, NELEM(gWifiMethods)); 2074} 2075 2076}; // namespace android 2077