com_android_server_wifi_WifiNative.cpp revision 31ecd2686c8c25987a062b071378f7a78c7bfe98
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 ALOGD("Initialized common bucket fields %d:%d:%d", params.buckets[i].bucket, 511 params.buckets[i].band, params.buckets[i].period); 512 513 int report_events = getIntField(env, bucket, "report_events"); 514 params.buckets[i].report_events = report_events; 515 516 ALOGD("Initialized report events to %d", params.buckets[i].report_events); 517 518 jobjectArray channels = (jobjectArray)getObjectField( 519 env, bucket, "channels", channel_array_type); 520 521 params.buckets[i].num_channels = getIntField(env, bucket, "num_channels"); 522 ALOGD("Initialized num_channels to %d", params.buckets[i].num_channels); 523 524 for (int j = 0; j < params.buckets[i].num_channels; j++) { 525 jobject channel = getObjectArrayField(env, bucket, "channels", channel_array_type, j); 526 527 params.buckets[i].channels[j].channel = getIntField(env, channel, "frequency"); 528 params.buckets[i].channels[j].dwellTimeMs = getIntField(env, channel, "dwell_time_ms"); 529 530 bool passive = getBoolField(env, channel, "passive"); 531 params.buckets[i].channels[j].passive = (passive ? 1 : 0); 532 533 // ALOGD("Initialized channel %d", params.buckets[i].channels[j].channel); 534 } 535 } 536 537 ALOGD("Initialized all fields"); 538 539 wifi_scan_result_handler handler; 540 memset(&handler, 0, sizeof(handler)); 541 handler.on_scan_results_available = &onScanResultsAvailable; 542 handler.on_full_scan_result = &onFullScanResult; 543 handler.on_scan_event = &onScanEvent; 544 545 return hal_fn.wifi_start_gscan(id, handle, params, handler) == WIFI_SUCCESS; 546} 547 548static jboolean android_net_wifi_stopScan(JNIEnv *env, jclass cls, jint iface, jint id) { 549 wifi_interface_handle handle = getIfaceHandle(env, cls, iface); 550 ALOGD("stopping scan on interface[%d] = %p", iface, handle); 551 552 return hal_fn.wifi_stop_gscan(id, handle) == WIFI_SUCCESS; 553} 554 555static int compare_scan_result_timestamp(const void *v1, const void *v2) { 556 const wifi_scan_result *result1 = static_cast<const wifi_scan_result *>(v1); 557 const wifi_scan_result *result2 = static_cast<const wifi_scan_result *>(v2); 558 return result1->ts - result2->ts; 559} 560 561static jobject android_net_wifi_getScanResults( 562 JNIEnv *env, jclass cls, jint iface, jboolean flush) { 563 564 wifi_cached_scan_results scan_data[64]; 565 int num_scan_data = 64; 566 567 wifi_interface_handle handle = getIfaceHandle(env, cls, iface); 568 ALOGD("getting scan results on interface[%d] = %p", iface, handle); 569 570 byte b = flush ? 0xFF : 0; 571 int result = hal_fn.wifi_get_cached_gscan_results(handle, b, num_scan_data, scan_data, &num_scan_data); 572 if (result == WIFI_SUCCESS) { 573 jobjectArray scanData = createObjectArray(env, 574 "android/net/wifi/WifiScanner$ScanData", num_scan_data); 575 if (scanData == NULL) { 576 ALOGE("Error in allocating array of scanData"); 577 return NULL; 578 } 579 580 for (int i = 0; i < num_scan_data; i++) { 581 582 jobject data = createObject(env, "android/net/wifi/WifiScanner$ScanData"); 583 if (data == NULL) { 584 ALOGE("Error in allocating scanData"); 585 return NULL; 586 } 587 588 setIntField(env, data, "mId", scan_data[i].scan_id); 589 setIntField(env, data, "mFlags", scan_data[i].flags); 590 591 /* sort all scan results by timestamp */ 592 qsort(scan_data[i].results, scan_data[i].num_results, 593 sizeof(wifi_scan_result), compare_scan_result_timestamp); 594 595 jobjectArray scanResults = createObjectArray(env, 596 "android/net/wifi/ScanResult", scan_data[i].num_results); 597 if (scanResults == NULL) { 598 ALOGE("Error in allocating scanResult array"); 599 return NULL; 600 } 601 602 wifi_scan_result *results = scan_data[i].results; 603 for (int j = 0; j < scan_data[i].num_results; j++) { 604 605 jobject scanResult = createObject(env, "android/net/wifi/ScanResult"); 606 if (scanResult == NULL) { 607 ALOGE("Error in creating scan result"); 608 return NULL; 609 } 610 611 setStringField(env, scanResult, "SSID", results[j].ssid); 612 613 char bssid[32]; 614 sprintf(bssid, "%02x:%02x:%02x:%02x:%02x:%02x", results[j].bssid[0], 615 results[j].bssid[1], results[j].bssid[2], results[j].bssid[3], 616 results[j].bssid[4], results[j].bssid[5]); 617 618 setStringField(env, scanResult, "BSSID", bssid); 619 620 setIntField(env, scanResult, "level", results[j].rssi); 621 setIntField(env, scanResult, "frequency", results[j].channel); 622 setLongField(env, scanResult, "timestamp", results[j].ts); 623 624 env->SetObjectArrayElement(scanResults, j, scanResult); 625 env->DeleteLocalRef(scanResult); 626 } 627 628 setObjectField(env, data, "mResults", "[Landroid/net/wifi/ScanResult;", scanResults); 629 env->SetObjectArrayElement(scanData, i, data); 630 } 631 632 return scanData; 633 } else { 634 return NULL; 635 } 636} 637 638 639static jboolean android_net_wifi_getScanCapabilities( 640 JNIEnv *env, jclass cls, jint iface, jobject capabilities) { 641 642 wifi_interface_handle handle = getIfaceHandle(env, cls, iface); 643 ALOGD("getting scan capabilities on interface[%d] = %p", iface, handle); 644 645 wifi_gscan_capabilities c; 646 memset(&c, 0, sizeof(c)); 647 int result = hal_fn.wifi_get_gscan_capabilities(handle, &c); 648 if (result != WIFI_SUCCESS) { 649 ALOGD("failed to get capabilities : %d", result); 650 return JNI_FALSE; 651 } 652 653 setIntField(env, capabilities, "max_scan_cache_size", c.max_scan_cache_size); 654 setIntField(env, capabilities, "max_scan_buckets", c.max_scan_buckets); 655 setIntField(env, capabilities, "max_ap_cache_per_scan", c.max_ap_cache_per_scan); 656 setIntField(env, capabilities, "max_rssi_sample_size", c.max_rssi_sample_size); 657 setIntField(env, capabilities, "max_scan_reporting_threshold", c.max_scan_reporting_threshold); 658 setIntField(env, capabilities, "max_hotlist_bssids", c.max_hotlist_bssids); 659 setIntField(env, capabilities, "max_significant_wifi_change_aps", 660 c.max_significant_wifi_change_aps); 661 662 return JNI_TRUE; 663} 664 665 666static byte parseHexChar(char ch) { 667 if (isdigit(ch)) 668 return ch - '0'; 669 else if ('A' <= ch && ch <= 'F') 670 return ch - 'A' + 10; 671 else if ('a' <= ch && ch <= 'f') 672 return ch - 'a' + 10; 673 else { 674 ALOGE("invalid character in bssid %c", ch); 675 return 0; 676 } 677} 678 679static byte parseHexByte(const char * &str) { 680 byte b = parseHexChar(str[0]); 681 if (str[1] == ':' || str[1] == '\0') { 682 str += 2; 683 return b; 684 } else { 685 b = b << 4 | parseHexChar(str[1]); 686 str += 3; 687 return b; 688 } 689} 690 691static void parseMacAddress(const char *str, mac_addr addr) { 692 addr[0] = parseHexByte(str); 693 addr[1] = parseHexByte(str); 694 addr[2] = parseHexByte(str); 695 addr[3] = parseHexByte(str); 696 addr[4] = parseHexByte(str); 697 addr[5] = parseHexByte(str); 698} 699 700static bool parseMacAddress(JNIEnv *env, jobject obj, mac_addr addr) { 701 jstring macAddrString = (jstring) getObjectField( 702 env, obj, "bssid", "Ljava/lang/String;"); 703 704 if (macAddrString == NULL) { 705 ALOGE("Error getting bssid field"); 706 return false; 707 } 708 709 const char *bssid = env->GetStringUTFChars(macAddrString, NULL); 710 if (bssid == NULL) { 711 ALOGE("Error getting bssid"); 712 return false; 713 } 714 715 parseMacAddress(bssid, addr); 716 return true; 717} 718 719static void onHotlistApFound(wifi_request_id id, 720 unsigned num_results, wifi_scan_result *results) { 721 722 JNIEnv *env = NULL; 723 mVM->AttachCurrentThread(&env, NULL); 724 725 ALOGD("onHotlistApFound called, vm = %p, obj = %p, env = %p, num_results = %d", 726 mVM, mCls, env, num_results); 727 728 jclass clsScanResult = (env)->FindClass("android/net/wifi/ScanResult"); 729 if (clsScanResult == NULL) { 730 ALOGE("Error in accessing class"); 731 return; 732 } 733 734 jobjectArray scanResults = env->NewObjectArray(num_results, clsScanResult, NULL); 735 if (scanResults == NULL) { 736 ALOGE("Error in allocating array"); 737 return; 738 } 739 740 for (unsigned i = 0; i < num_results; i++) { 741 742 jobject scanResult = createObject(env, "android/net/wifi/ScanResult"); 743 if (scanResult == NULL) { 744 ALOGE("Error in creating scan result"); 745 return; 746 } 747 748 setStringField(env, scanResult, "SSID", results[i].ssid); 749 750 char bssid[32]; 751 sprintf(bssid, "%02x:%02x:%02x:%02x:%02x:%02x", results[i].bssid[0], results[i].bssid[1], 752 results[i].bssid[2], results[i].bssid[3], results[i].bssid[4], results[i].bssid[5]); 753 754 setStringField(env, scanResult, "BSSID", bssid); 755 756 setIntField(env, scanResult, "level", results[i].rssi); 757 setIntField(env, scanResult, "frequency", results[i].channel); 758 setLongField(env, scanResult, "timestamp", results[i].ts); 759 760 env->SetObjectArrayElement(scanResults, i, scanResult); 761 762 ALOGD("Found AP %32s %s", results[i].ssid, bssid); 763 } 764 765 reportEvent(env, mCls, "onHotlistApFound", "(I[Landroid/net/wifi/ScanResult;)V", 766 id, scanResults); 767} 768 769static void onHotlistApLost(wifi_request_id id, 770 unsigned num_results, wifi_scan_result *results) { 771 772 JNIEnv *env = NULL; 773 mVM->AttachCurrentThread(&env, NULL); 774 775 ALOGD("onHotlistApLost called, vm = %p, obj = %p, env = %p, num_results = %d", 776 mVM, mCls, env, num_results); 777 778 jclass clsScanResult = (env)->FindClass("android/net/wifi/ScanResult"); 779 if (clsScanResult == NULL) { 780 ALOGE("Error in accessing class"); 781 return; 782 } 783 784 jobjectArray scanResults = env->NewObjectArray(num_results, clsScanResult, NULL); 785 if (scanResults == NULL) { 786 ALOGE("Error in allocating array"); 787 return; 788 } 789 790 for (unsigned i = 0; i < num_results; i++) { 791 792 jobject scanResult = createObject(env, "android/net/wifi/ScanResult"); 793 if (scanResult == NULL) { 794 ALOGE("Error in creating scan result"); 795 return; 796 } 797 798 setStringField(env, scanResult, "SSID", results[i].ssid); 799 800 char bssid[32]; 801 sprintf(bssid, "%02x:%02x:%02x:%02x:%02x:%02x", results[i].bssid[0], results[i].bssid[1], 802 results[i].bssid[2], results[i].bssid[3], results[i].bssid[4], results[i].bssid[5]); 803 804 setStringField(env, scanResult, "BSSID", bssid); 805 806 setIntField(env, scanResult, "level", results[i].rssi); 807 setIntField(env, scanResult, "frequency", results[i].channel); 808 setLongField(env, scanResult, "timestamp", results[i].ts); 809 810 env->SetObjectArrayElement(scanResults, i, scanResult); 811 812 ALOGD("Lost AP %32s %s", results[i].ssid, bssid); 813 } 814 815 reportEvent(env, mCls, "onHotlistApLost", "(I[Landroid/net/wifi/ScanResult;)V", 816 id, scanResults); 817} 818 819 820static jboolean android_net_wifi_setHotlist( 821 JNIEnv *env, jclass cls, jint iface, jint id, jobject ap) { 822 823 wifi_interface_handle handle = getIfaceHandle(env, cls, iface); 824 ALOGD("setting hotlist on interface[%d] = %p", iface, handle); 825 826 wifi_bssid_hotlist_params params; 827 memset(¶ms, 0, sizeof(params)); 828 829 params.lost_ap_sample_size = getIntField(env, ap, "apLostThreshold"); 830 831 jobjectArray array = (jobjectArray) getObjectField(env, ap, 832 "bssidInfos", "[Landroid/net/wifi/WifiScanner$BssidInfo;"); 833 params.num_bssid = env->GetArrayLength(array); 834 835 if (params.num_bssid == 0) { 836 ALOGE("Error in accesing array"); 837 return false; 838 } 839 840 for (int i = 0; i < params.num_bssid; i++) { 841 jobject objAp = env->GetObjectArrayElement(array, i); 842 843 jstring macAddrString = (jstring) getObjectField( 844 env, objAp, "bssid", "Ljava/lang/String;"); 845 if (macAddrString == NULL) { 846 ALOGE("Error getting bssid field"); 847 return false; 848 } 849 850 const char *bssid = env->GetStringUTFChars(macAddrString, NULL); 851 if (bssid == NULL) { 852 ALOGE("Error getting bssid"); 853 return false; 854 } 855 parseMacAddress(bssid, params.ap[i].bssid); 856 857 mac_addr addr; 858 memcpy(addr, params.ap[i].bssid, sizeof(mac_addr)); 859 860 char bssidOut[32]; 861 sprintf(bssidOut, "%0x:%0x:%0x:%0x:%0x:%0x", addr[0], addr[1], 862 addr[2], addr[3], addr[4], addr[5]); 863 864 ALOGD("Added bssid %s", bssidOut); 865 866 params.ap[i].low = getIntField(env, objAp, "low"); 867 params.ap[i].high = getIntField(env, objAp, "high"); 868 } 869 870 wifi_hotlist_ap_found_handler handler; 871 memset(&handler, 0, sizeof(handler)); 872 873 handler.on_hotlist_ap_found = &onHotlistApFound; 874 handler.on_hotlist_ap_lost = &onHotlistApLost; 875 return hal_fn.wifi_set_bssid_hotlist(id, handle, params, handler) == WIFI_SUCCESS; 876} 877 878static jboolean android_net_wifi_resetHotlist( 879 JNIEnv *env, jclass cls, jint iface, jint id) { 880 881 wifi_interface_handle handle = getIfaceHandle(env, cls, iface); 882 ALOGD("resetting hotlist on interface[%d] = %p", iface, handle); 883 884 return hal_fn.wifi_reset_bssid_hotlist(id, handle) == WIFI_SUCCESS; 885} 886 887void onSignificantWifiChange(wifi_request_id id, 888 unsigned num_results, wifi_significant_change_result **results) { 889 JNIEnv *env = NULL; 890 mVM->AttachCurrentThread(&env, NULL); 891 892 ALOGD("onSignificantWifiChange called, vm = %p, obj = %p, env = %p", mVM, mCls, env); 893 894 jclass clsScanResult = (env)->FindClass("android/net/wifi/ScanResult"); 895 if (clsScanResult == NULL) { 896 ALOGE("Error in accessing class"); 897 return; 898 } 899 900 jobjectArray scanResults = env->NewObjectArray(num_results, clsScanResult, NULL); 901 if (scanResults == NULL) { 902 ALOGE("Error in allocating array"); 903 return; 904 } 905 906 for (unsigned i = 0; i < num_results; i++) { 907 908 wifi_significant_change_result result = *(results[i]); 909 910 jobject scanResult = createObject(env, "android/net/wifi/ScanResult"); 911 if (scanResult == NULL) { 912 ALOGE("Error in creating scan result"); 913 return; 914 } 915 916 // setStringField(env, scanResult, "SSID", results[i].ssid); 917 918 char bssid[32]; 919 sprintf(bssid, "%02x:%02x:%02x:%02x:%02x:%02x", result.bssid[0], result.bssid[1], 920 result.bssid[2], result.bssid[3], result.bssid[4], result.bssid[5]); 921 922 setStringField(env, scanResult, "BSSID", bssid); 923 924 setIntField(env, scanResult, "level", result.rssi[0]); 925 setIntField(env, scanResult, "frequency", result.channel); 926 // setLongField(env, scanResult, "timestamp", result.ts); 927 928 env->SetObjectArrayElement(scanResults, i, scanResult); 929 } 930 931 reportEvent(env, mCls, "onSignificantWifiChange", "(I[Landroid/net/wifi/ScanResult;)V", 932 id, scanResults); 933 934} 935 936static jboolean android_net_wifi_trackSignificantWifiChange( 937 JNIEnv *env, jclass cls, jint iface, jint id, jobject settings) { 938 939 wifi_interface_handle handle = getIfaceHandle(env, cls, iface); 940 ALOGD("tracking significant wifi change on interface[%d] = %p", iface, handle); 941 942 wifi_significant_change_params params; 943 memset(¶ms, 0, sizeof(params)); 944 945 params.rssi_sample_size = getIntField(env, settings, "rssiSampleSize"); 946 params.lost_ap_sample_size = getIntField(env, settings, "lostApSampleSize"); 947 params.min_breaching = getIntField(env, settings, "minApsBreachingThreshold"); 948 949 const char *bssid_info_array_type = "[Landroid/net/wifi/WifiScanner$BssidInfo;"; 950 jobjectArray bssids = (jobjectArray)getObjectField( 951 env, settings, "bssidInfos", bssid_info_array_type); 952 params.num_bssid = env->GetArrayLength(bssids); 953 954 if (params.num_bssid == 0) { 955 ALOGE("Error in accessing array"); 956 return false; 957 } 958 959 ALOGD("Initialized common fields %d, %d, %d, %d", params.rssi_sample_size, 960 params.lost_ap_sample_size, params.min_breaching, params.num_bssid); 961 962 for (int i = 0; i < params.num_bssid; i++) { 963 jobject objAp = env->GetObjectArrayElement(bssids, i); 964 965 jstring macAddrString = (jstring) getObjectField( 966 env, objAp, "bssid", "Ljava/lang/String;"); 967 if (macAddrString == NULL) { 968 ALOGE("Error getting bssid field"); 969 return false; 970 } 971 972 const char *bssid = env->GetStringUTFChars(macAddrString, NULL); 973 if (bssid == NULL) { 974 ALOGE("Error getting bssid"); 975 return false; 976 } 977 978 mac_addr addr; 979 parseMacAddress(bssid, addr); 980 memcpy(params.ap[i].bssid, addr, sizeof(mac_addr)); 981 982 char bssidOut[32]; 983 sprintf(bssidOut, "%02x:%02x:%02x:%02x:%02x:%02x", addr[0], addr[1], 984 addr[2], addr[3], addr[4], addr[5]); 985 986 params.ap[i].low = getIntField(env, objAp, "low"); 987 params.ap[i].high = getIntField(env, objAp, "high"); 988 989 ALOGD("Added bssid %s, [%04d, %04d]", bssidOut, params.ap[i].low, params.ap[i].high); 990 } 991 992 ALOGD("Added %d bssids", params.num_bssid); 993 994 wifi_significant_change_handler handler; 995 memset(&handler, 0, sizeof(handler)); 996 997 handler.on_significant_change = &onSignificantWifiChange; 998 return hal_fn.wifi_set_significant_change_handler(id, handle, params, handler) == WIFI_SUCCESS; 999} 1000 1001static jboolean android_net_wifi_untrackSignificantWifiChange( 1002 JNIEnv *env, jclass cls, jint iface, jint id) { 1003 1004 wifi_interface_handle handle = getIfaceHandle(env, cls, iface); 1005 ALOGD("resetting significant wifi change on interface[%d] = %p", iface, handle); 1006 1007 return hal_fn.wifi_reset_significant_change_handler(id, handle) == WIFI_SUCCESS; 1008} 1009 1010wifi_iface_stat link_stat; 1011wifi_radio_stat radio_stat; // L release has support for only one radio 1012 1013void onLinkStatsResults(wifi_request_id id, wifi_iface_stat *iface_stat, 1014 int num_radios, wifi_radio_stat *radio_stats) 1015{ 1016 if (iface_stat != 0) { 1017 memcpy(&link_stat, iface_stat, sizeof(wifi_iface_stat)); 1018 } else { 1019 memset(&link_stat, 0, sizeof(wifi_iface_stat)); 1020 } 1021 1022 if (num_radios > 0 && radio_stats != 0) { 1023 memcpy(&radio_stat, radio_stats, sizeof(wifi_radio_stat)); 1024 } else { 1025 memset(&radio_stat, 0, sizeof(wifi_radio_stat)); 1026 } 1027} 1028 1029static jobject android_net_wifi_getLinkLayerStats (JNIEnv *env, jclass cls, jint iface) { 1030 1031 wifi_stats_result_handler handler; 1032 memset(&handler, 0, sizeof(handler)); 1033 handler.on_link_stats_results = &onLinkStatsResults; 1034 wifi_interface_handle handle = getIfaceHandle(env, cls, iface); 1035 int result = hal_fn.wifi_get_link_stats(0, handle, handler); 1036 if (result < 0) { 1037 ALOGE("android_net_wifi_getLinkLayerStats: failed to get link statistics\n"); 1038 return NULL; 1039 } 1040 1041 jobject wifiLinkLayerStats = createObject(env, "android/net/wifi/WifiLinkLayerStats"); 1042 if (wifiLinkLayerStats == NULL) { 1043 ALOGE("Error in allocating wifiLinkLayerStats"); 1044 return NULL; 1045 } 1046 1047 setIntField(env, wifiLinkLayerStats, "beacon_rx", link_stat.beacon_rx); 1048 setIntField(env, wifiLinkLayerStats, "rssi_mgmt", link_stat.rssi_mgmt); 1049 setLongField(env, wifiLinkLayerStats, "rxmpdu_be", link_stat.ac[WIFI_AC_BE].rx_mpdu); 1050 setLongField(env, wifiLinkLayerStats, "rxmpdu_bk", link_stat.ac[WIFI_AC_BK].rx_mpdu); 1051 setLongField(env, wifiLinkLayerStats, "rxmpdu_vi", link_stat.ac[WIFI_AC_VI].rx_mpdu); 1052 setLongField(env, wifiLinkLayerStats, "rxmpdu_vo", link_stat.ac[WIFI_AC_VO].rx_mpdu); 1053 setLongField(env, wifiLinkLayerStats, "txmpdu_be", link_stat.ac[WIFI_AC_BE].tx_mpdu); 1054 setLongField(env, wifiLinkLayerStats, "txmpdu_bk", link_stat.ac[WIFI_AC_BK].tx_mpdu); 1055 setLongField(env, wifiLinkLayerStats, "txmpdu_vi", link_stat.ac[WIFI_AC_VI].tx_mpdu); 1056 setLongField(env, wifiLinkLayerStats, "txmpdu_vo", link_stat.ac[WIFI_AC_VO].tx_mpdu); 1057 setLongField(env, wifiLinkLayerStats, "lostmpdu_be", link_stat.ac[WIFI_AC_BE].mpdu_lost); 1058 setLongField(env, wifiLinkLayerStats, "lostmpdu_bk", link_stat.ac[WIFI_AC_BK].mpdu_lost); 1059 setLongField(env, wifiLinkLayerStats, "lostmpdu_vi", link_stat.ac[WIFI_AC_VI].mpdu_lost); 1060 setLongField(env, wifiLinkLayerStats, "lostmpdu_vo", link_stat.ac[WIFI_AC_VO].mpdu_lost); 1061 setLongField(env, wifiLinkLayerStats, "retries_be", link_stat.ac[WIFI_AC_BE].retries); 1062 setLongField(env, wifiLinkLayerStats, "retries_bk", link_stat.ac[WIFI_AC_BK].retries); 1063 setLongField(env, wifiLinkLayerStats, "retries_vi", link_stat.ac[WIFI_AC_VI].retries); 1064 setLongField(env, wifiLinkLayerStats, "retries_vo", link_stat.ac[WIFI_AC_VO].retries); 1065 1066 1067 setIntField(env, wifiLinkLayerStats, "on_time", radio_stat.on_time); 1068 setIntField(env, wifiLinkLayerStats, "tx_time", radio_stat.tx_time); 1069 setIntField(env, wifiLinkLayerStats, "rx_time", radio_stat.rx_time); 1070 setIntField(env, wifiLinkLayerStats, "on_time_scan", radio_stat.on_time_scan); 1071 1072 return wifiLinkLayerStats; 1073} 1074 1075static jint android_net_wifi_getSupportedFeatures(JNIEnv *env, jclass cls, jint iface) { 1076 wifi_interface_handle handle = getIfaceHandle(env, cls, iface); 1077 feature_set set = 0; 1078 1079 wifi_error result = WIFI_SUCCESS; 1080 /* 1081 set = WIFI_FEATURE_INFRA 1082 | WIFI_FEATURE_INFRA_5G 1083 | WIFI_FEATURE_HOTSPOT 1084 | WIFI_FEATURE_P2P 1085 | WIFI_FEATURE_SOFT_AP 1086 | WIFI_FEATURE_GSCAN 1087 | WIFI_FEATURE_PNO 1088 | WIFI_FEATURE_TDLS 1089 | WIFI_FEATURE_EPR; 1090 */ 1091 1092 result = hal_fn.wifi_get_supported_feature_set(handle, &set); 1093 if (result == WIFI_SUCCESS) { 1094 ALOGD("wifi_get_supported_feature_set returned set = 0x%x", set); 1095 return set; 1096 } else { 1097 ALOGD("wifi_get_supported_feature_set returned error = 0x%x", result); 1098 return 0; 1099 } 1100} 1101 1102static void onRttResults(wifi_request_id id, unsigned num_results, wifi_rtt_result* results[]) { 1103 JNIEnv *env = NULL; 1104 mVM->AttachCurrentThread(&env, NULL); 1105 1106 ALOGD("onRttResults called, vm = %p, obj = %p, env = %p", mVM, mCls, env); 1107 1108 jclass clsRttResult = (env)->FindClass("android/net/wifi/RttManager$RttResult"); 1109 if (clsRttResult == NULL) { 1110 ALOGE("Error in accessing class"); 1111 return; 1112 } 1113 1114 jobjectArray rttResults = env->NewObjectArray(num_results, clsRttResult, NULL); 1115 if (rttResults == NULL) { 1116 ALOGE("Error in allocating array"); 1117 return; 1118 } 1119 1120 for (unsigned i = 0; i < num_results; i++) { 1121 1122 wifi_rtt_result *result = results[i]; 1123 1124 jobject rttResult = createObject(env, "android/net/wifi/RttManager$RttResult"); 1125 if (rttResult == NULL) { 1126 ALOGE("Error in creating rtt result"); 1127 return; 1128 } 1129 1130 char bssid[32]; 1131 sprintf(bssid, "%02x:%02x:%02x:%02x:%02x:%02x", result->addr[0], result->addr[1], 1132 result->addr[2], result->addr[3], result->addr[4], result->addr[5]); 1133 1134 setStringField(env, rttResult, "bssid", bssid); 1135 setIntField(env, rttResult, "burstNumber", result->burst_num); 1136 setIntField(env, rttResult, "measurementFrameNumber", result->measurement_number); 1137 setIntField(env, rttResult, "successMeasurementFrameNumber", result->success_number); 1138 setIntField(env, rttResult, "frameNumberPerBurstPeer", result->number_per_burst_peer); 1139 setIntField(env, rttResult, "status", result->status); 1140 setIntField(env, rttResult, "measurementType", result->type); 1141 setIntField(env, rttResult, "retryAfterDuration", result->retry_after_duration); 1142 setLongField(env, rttResult, "ts", result->ts); 1143 setIntField(env, rttResult, "rssi", result->rssi); 1144 setIntField(env, rttResult, "rssiSpread", result->rssi_spread); 1145 setIntField(env, rttResult, "txRate", result->tx_rate.bitrate); 1146 setIntField(env, rttResult, "rxRate", result->rx_rate.bitrate); 1147 setLongField(env, rttResult, "rtt", result->rtt); 1148 setLongField(env, rttResult, "rttStandardDeviation", result->rtt_sd); 1149 setIntField(env, rttResult, "distance", result->distance); 1150 setIntField(env, rttResult, "distanceStandardDeviation", result->distance_sd); 1151 setIntField(env, rttResult, "distanceSpread", result->distance_spread); 1152 setIntField(env, rttResult, "burstDuration", result->burst_duration); 1153 setIntField(env, rttResult, "negotiatedBurstNum", result->negotiated_burst_num); 1154 jobject LCI = createObject(env, "android/net/wifi/RttManager$WifiInformationElement"); 1155 if (result->LCI != NULL && result->LCI->len > 0) { 1156 ALOGD("Add LCI in result"); 1157 setByteField(env, LCI, "id", result->LCI->id); 1158 jbyteArray elements = env->NewByteArray(result->LCI->len); 1159 jbyte *bytes = (jbyte *)&(result->LCI->data[0]); 1160 env->SetByteArrayRegion(elements, 0, result->LCI->len, bytes); 1161 setObjectField(env, LCI, "data", "[B", elements); 1162 env->DeleteLocalRef(elements); 1163 } else { 1164 ALOGD("No LCI in result"); 1165 setByteField(env, LCI, "id", (byte)(0xff)); 1166 } 1167 setObjectField(env, rttResult, "LCI", 1168 "Landroid/net/wifi/RttManager$WifiInformationElement;", LCI); 1169 1170 jobject LCR = createObject(env, "android/net/wifi/RttManager$WifiInformationElement"); 1171 if (result->LCR != NULL && result->LCR->len > 0) { 1172 ALOGD("Add LCR in result"); 1173 setByteField(env, LCR, "id", result->LCR->id); 1174 jbyteArray elements = env->NewByteArray(result->LCI->len); 1175 jbyte *bytes = (jbyte *)&(result->LCR->data[0]); 1176 env->SetByteArrayRegion(elements, 0, result->LCI->len, bytes); 1177 setObjectField(env, LCR, "data", "[B", elements); 1178 env->DeleteLocalRef(elements); 1179 } else { 1180 ALOGD("No LCR in result"); 1181 setByteField(env, LCR, "id", (byte)(0xff)); 1182 } 1183 setObjectField(env, rttResult, "LCR", 1184 "Landroid/net/wifi/RttManager$WifiInformationElement;", LCR); 1185 1186 env->SetObjectArrayElement(rttResults, i, rttResult); 1187 env->DeleteLocalRef(LCI); 1188 env->DeleteLocalRef(LCR); 1189 env->DeleteLocalRef(rttResult); 1190 } 1191 1192 reportEvent(env, mCls, "onRttResults", "(I[Landroid/net/wifi/RttManager$RttResult;)V", 1193 id, rttResults); 1194 1195 //clean the local reference 1196 env->DeleteLocalRef(rttResults); 1197 env->DeleteLocalRef(clsRttResult); 1198 1199} 1200 1201const int MaxRttConfigs = 16; 1202 1203static jboolean android_net_wifi_requestRange( 1204 JNIEnv *env, jclass cls, jint iface, jint id, jobject params) { 1205 1206 wifi_interface_handle handle = getIfaceHandle(env, cls, iface); 1207 ALOGD("sending rtt request [%d] = %p", id, handle); 1208 1209 wifi_rtt_config configs[MaxRttConfigs]; 1210 memset(&configs, 0, sizeof(configs)); 1211 1212 int len = env->GetArrayLength((jobjectArray)params); 1213 if (len > MaxRttConfigs) { 1214 return false; 1215 } 1216 1217 for (int i = 0; i < len; i++) { 1218 1219 jobject param = env->GetObjectArrayElement((jobjectArray)params, i); 1220 if (param == NULL) { 1221 ALOGD("could not get element %d", i); 1222 continue; 1223 } 1224 1225 wifi_rtt_config &config = configs[i]; 1226 1227 parseMacAddress(env, param, config.addr); 1228 config.type = (wifi_rtt_type)getIntField(env, param, "requestType"); 1229 config.peer = (rtt_peer_type)getIntField(env, param, "deviceType"); 1230 config.channel.center_freq = getIntField(env, param, "frequency"); 1231 config.channel.width = (wifi_channel_width) getIntField(env, param, "channelWidth"); 1232 config.channel.center_freq0 = getIntField(env, param, "centerFreq0"); 1233 config.channel.center_freq1 = getIntField(env, param, "centerFreq1"); 1234 1235 config.num_burst = getIntField(env, param, "numberBurst"); 1236 config.burst_period = (unsigned) getIntField(env, param, "interval"); 1237 config.num_frames_per_burst = (unsigned) getIntField(env, param, "numSamplesPerBurst"); 1238 config.num_retries_per_rtt_frame = (unsigned) getIntField(env, param, 1239 "numRetriesPerMeasurementFrame"); 1240 config.num_retries_per_ftmr = (unsigned) getIntField(env, param, "numRetriesPerFTMR"); 1241 config.LCI_request = getBoolField(env, param, "LCIRequest") ? 1 : 0; 1242 config.LCR_request = getBoolField(env, param, "LCRRequest") ? 1 : 0; 1243 config.burst_duration = (unsigned) getIntField(env, param, "burstTimeout"); 1244 config.preamble = (wifi_rtt_preamble) getIntField(env, param, "preamble"); 1245 config.bw = (wifi_rtt_bw) getIntField(env, param, "bandwidth"); 1246 1247 ALOGD("RTT request destination %d: type is %d, peer is %d, bw is %d, center_freq is %d ", i, 1248 config.type,config.peer, config.channel.width, config.channel.center_freq0); 1249 ALOGD("center_freq0 is %d, center_freq1 is %d, num_burst is %d,interval is %d", 1250 config.channel.center_freq0, config.channel.center_freq1, config.num_burst, 1251 config.burst_period); 1252 ALOGD("frames_per_burst is %d, retries of measurement frame is %d, retries_per_ftmr is %d", 1253 config.num_frames_per_burst, config.num_retries_per_rtt_frame, 1254 config.num_retries_per_ftmr); 1255 ALOGD("LCI_requestis %d, LCR_request is %d, burst_timeout is %d, preamble is %d, bw is %d", 1256 config.LCI_request, config.LCR_request, config.burst_duration, config.preamble, 1257 config.bw); 1258 } 1259 1260 wifi_rtt_event_handler handler; 1261 handler.on_rtt_results = &onRttResults; 1262 1263 return hal_fn.wifi_rtt_range_request(id, handle, len, configs, handler) == WIFI_SUCCESS; 1264} 1265 1266static jboolean android_net_wifi_cancelRange( 1267 JNIEnv *env, jclass cls, jint iface, jint id, jobject params) { 1268 1269 wifi_interface_handle handle = getIfaceHandle(env, cls, iface); 1270 ALOGD("cancelling rtt request [%d] = %p", id, handle); 1271 1272 mac_addr addrs[MaxRttConfigs]; 1273 memset(&addrs, 0, sizeof(addrs)); 1274 1275 int len = env->GetArrayLength((jobjectArray)params); 1276 if (len > MaxRttConfigs) { 1277 return false; 1278 } 1279 1280 for (int i = 0; i < len; i++) { 1281 1282 jobject param = env->GetObjectArrayElement((jobjectArray)params, i); 1283 if (param == NULL) { 1284 ALOGD("could not get element %d", i); 1285 continue; 1286 } 1287 1288 parseMacAddress(env, param, addrs[i]); 1289 } 1290 1291 return hal_fn.wifi_rtt_range_cancel(id, handle, len, addrs) == WIFI_SUCCESS; 1292} 1293 1294static jboolean android_net_wifi_setScanningMacOui(JNIEnv *env, jclass cls, 1295 jint iface, jbyteArray param) { 1296 1297 wifi_interface_handle handle = getIfaceHandle(env, cls, iface); 1298 ALOGD("setting scan oui %p", handle); 1299 1300 static const unsigned oui_len = 3; /* OUI is upper 3 bytes of mac_address */ 1301 int len = env->GetArrayLength(param); 1302 if (len != oui_len) { 1303 ALOGE("invalid oui length %d", len); 1304 return false; 1305 } 1306 1307 jbyte* bytes = env->GetByteArrayElements(param, NULL); 1308 if (bytes == NULL) { 1309 ALOGE("failed to get array"); 1310 return false; 1311 } 1312 1313 return hal_fn.wifi_set_scanning_mac_oui(handle, (byte *)bytes) == WIFI_SUCCESS; 1314} 1315 1316static jintArray android_net_wifi_getValidChannels(JNIEnv *env, jclass cls, 1317 jint iface, jint band) { 1318 1319 wifi_interface_handle handle = getIfaceHandle(env, cls, iface); 1320 ALOGD("getting valid channels %p", handle); 1321 1322 static const int MaxChannels = 64; 1323 wifi_channel channels[64]; 1324 int num_channels = 0; 1325 wifi_error result = hal_fn.wifi_get_valid_channels(handle, band, MaxChannels, 1326 channels, &num_channels); 1327 1328 if (result == WIFI_SUCCESS) { 1329 jintArray channelArray = env->NewIntArray(num_channels); 1330 if (channelArray == NULL) { 1331 ALOGE("failed to allocate channel list"); 1332 return NULL; 1333 } 1334 1335 env->SetIntArrayRegion(channelArray, 0, num_channels, channels); 1336 return channelArray; 1337 } else { 1338 ALOGE("failed to get channel list : %d", result); 1339 return NULL; 1340 } 1341} 1342 1343static jboolean android_net_wifi_setDfsFlag(JNIEnv *env, jclass cls, jint iface, jboolean dfs) { 1344 wifi_interface_handle handle = getIfaceHandle(env, cls, iface); 1345 ALOGD("setting dfs flag to %s, %p", dfs ? "true" : "false", handle); 1346 1347 u32 nodfs = dfs ? 0 : 1; 1348 wifi_error result = hal_fn.wifi_set_nodfs_flag(handle, nodfs); 1349 return result == WIFI_SUCCESS; 1350} 1351 1352static jobject android_net_wifi_get_rtt_capabilities(JNIEnv *env, jclass cls, jint iface) { 1353 wifi_rtt_capabilities rtt_capabilities; 1354 wifi_interface_handle handle = getIfaceHandle(env, cls, iface); 1355 wifi_error ret = hal_fn.wifi_get_rtt_capabilities(handle, &rtt_capabilities); 1356 1357 if(WIFI_SUCCESS == ret) { 1358 jobject capabilities = createObject(env, "android/net/wifi/RttManager$RttCapabilities"); 1359 setBooleanField(env, capabilities, "oneSidedRttSupported", 1360 rtt_capabilities.rtt_one_sided_supported == 1); 1361 setBooleanField(env, capabilities, "twoSided11McRttSupported", 1362 rtt_capabilities.rtt_ftm_supported == 1); 1363 setBooleanField(env, capabilities, "lciSupported", 1364 rtt_capabilities.lci_support); 1365 setBooleanField(env,capabilities, "lcrSupported", 1366 rtt_capabilities.lcr_support); 1367 setIntField(env, capabilities, "preambleSupported", 1368 rtt_capabilities.preamble_support); 1369 setIntField(env, capabilities, "bwSupported", 1370 rtt_capabilities.bw_support); 1371 ALOGD("One side RTT is: %s", rtt_capabilities.rtt_one_sided_supported ==1 ? "support" : 1372 "not support"); 1373 ALOGD("Two side RTT is: %s", rtt_capabilities.rtt_ftm_supported == 1 ? "support" : 1374 "not support"); 1375 ALOGD("LCR is: %s", rtt_capabilities.lcr_support == 1 ? "support" : "not support"); 1376 1377 ALOGD("LCI is: %s", rtt_capabilities.lci_support == 1 ? "support" : "not support"); 1378 1379 ALOGD("Support Preamble is : %d support BW is %d", rtt_capabilities.preamble_support, 1380 rtt_capabilities.bw_support); 1381 return capabilities; 1382 } else { 1383 return NULL; 1384 } 1385} 1386 1387static jboolean android_net_wifi_set_Country_Code_Hal(JNIEnv *env,jclass cls, jint iface, 1388 jstring country_code) { 1389 1390 wifi_interface_handle handle = getIfaceHandle(env, cls, iface); 1391 const char *country = env->GetStringUTFChars(country_code, NULL); 1392 1393 ALOGD("set country code: %s", country); 1394 wifi_error res = hal_fn.wifi_set_country_code(handle, country); 1395 env->ReleaseStringUTFChars(country_code, country); 1396 1397 return res == WIFI_SUCCESS; 1398} 1399 1400static jboolean android_net_wifi_enable_disable_tdls(JNIEnv *env,jclass cls, jint iface, 1401 jboolean enable, jstring addr) { 1402 wifi_interface_handle handle = getIfaceHandle(env, cls, iface); 1403 1404 mac_addr address; 1405 parseMacAddress(env, addr, address); 1406 wifi_tdls_handler tdls_handler; 1407 //tdls_handler.on_tdls_state_changed = &on_tdls_state_changed; 1408 1409 if(enable) { 1410 return (hal_fn.wifi_enable_tdls(handle, address, NULL, tdls_handler) == WIFI_SUCCESS); 1411 } else { 1412 return (hal_fn.wifi_disable_tdls(handle, address) == WIFI_SUCCESS); 1413 } 1414} 1415 1416static void on_tdls_state_changed(mac_addr addr, wifi_tdls_status status) { 1417 JNIEnv *env = NULL; 1418 mVM->AttachCurrentThread(&env, NULL); 1419 1420 ALOGD("on_tdls_state_changed is called: vm = %p, obj = %p, env = %p", mVM, mCls, env); 1421 1422 char mac[32]; 1423 sprintf(mac, "%02x:%02x:%02x:%02x:%02x:%02x", addr[0], addr[1], addr[2], addr[3], addr[4], 1424 addr[5]); 1425 1426 jstring mac_address = env->NewStringUTF(mac); 1427 reportEvent(env, mCls, "onTdlsStatus", "(Ljava/lang/StringII;)V", 1428 mac_address, status.state, status.reason); 1429 1430} 1431 1432static jobject android_net_wifi_get_tdls_status(JNIEnv *env,jclass cls, jint iface,jstring addr) { 1433 wifi_interface_handle handle = getIfaceHandle(env, cls, iface); 1434 1435 mac_addr address; 1436 parseMacAddress(env, addr, address); 1437 1438 wifi_tdls_status status; 1439 1440 wifi_error ret; 1441 ret = hal_fn.wifi_get_tdls_status(handle, address, &status ); 1442 1443 if (ret != WIFI_SUCCESS) { 1444 return NULL; 1445 } else { 1446 jobject tdls_status = createObject(env, "com/android/server/wifi/WifiNative$TdlsStatus"); 1447 setIntField(env, tdls_status, "channel", status.channel); 1448 setIntField(env, tdls_status, "global_operating_class", status.global_operating_class); 1449 setIntField(env, tdls_status, "state", status.state); 1450 setIntField(env, tdls_status, "reason", status.reason); 1451 return tdls_status; 1452 } 1453} 1454 1455static jobject android_net_wifi_get_tdls_capabilities(JNIEnv *env, jclass cls, jint iface) { 1456 wifi_tdls_capabilities tdls_capabilities; 1457 wifi_interface_handle handle = getIfaceHandle(env, cls, iface); 1458 wifi_error ret = hal_fn.wifi_get_tdls_capabilities(handle, &tdls_capabilities); 1459 1460 if(WIFI_SUCCESS == ret) { 1461 jobject capabilities = createObject(env, 1462 "com/android/server/wifi/WifiNative$TdlsCapabilities"); 1463 setIntField(env, capabilities, "maxConcurrentTdlsSessionNumber", 1464 tdls_capabilities.max_concurrent_tdls_session_num); 1465 setBooleanField(env, capabilities, "isGlobalTdlsSupported", 1466 tdls_capabilities.is_global_tdls_supported == 1); 1467 setBooleanField(env, capabilities, "isPerMacTdlsSupported", 1468 tdls_capabilities.is_per_mac_tdls_supported == 1); 1469 setBooleanField(env,capabilities, "isOffChannelTdlsSupported", 1470 tdls_capabilities.is_off_channel_tdls_supported); 1471 1472 ALOGD("TDLS Max Concurrent Tdls Session Number is: %d", 1473 tdls_capabilities.max_concurrent_tdls_session_num); 1474 ALOGD("Global Tdls is: %s", tdls_capabilities.is_global_tdls_supported == 1 ? "support" : 1475 "not support"); 1476 ALOGD("Per Mac Tdls is: %s", tdls_capabilities.is_per_mac_tdls_supported == 1 ? "support" : 1477 "not support"); 1478 ALOGD("Off Channel Tdls is: %s", tdls_capabilities.is_off_channel_tdls_supported == 1 ? 1479 "support" : "not support"); 1480 1481 return capabilities; 1482 } else { 1483 return NULL; 1484 } 1485} 1486 1487// ---------------------------------------------------------------------------- 1488// Debug framework 1489// ---------------------------------------------------------------------------- 1490 1491static void onRingBufferData(char * ring_name, char * buffer, 1492int buffer_size, wifi_ring_buffer_status *status) { 1493 JNIEnv *env = NULL; 1494 mVM->AttachCurrentThread(&env, NULL); 1495 1496 ALOGD("onRingBufferData called, vm = %p, obj = %p, env = %p", mVM, mCls, env); 1497 1498 reportEvent(env, mCls, "onDataAvailable", "(I[Landroid/net/wifi/WiFiLogger$LogData;)V", 1499 0, 0); 1500} 1501 1502static jint android_net_wifi_get_supported_logger_feature(JNIEnv *env, jclass cls, jint iface){ 1503 //Not implemented yet 1504 wifi_interface_handle handle = getIfaceHandle(env, cls, iface); 1505 return -1; 1506} 1507 1508static jobject android_net_wifi_get_driver_version(JNIEnv *env, jclass cls, jint iface) { 1509 //Need to be fixed. The memory should be allocated from lower layer 1510 //char *buffer = NULL; 1511 int buffer_length = 256; 1512 char *buffer = (char *)malloc(buffer_length); 1513 if (!buffer) return NULL; 1514 memset(buffer, 0, buffer_length); 1515 wifi_interface_handle handle = getIfaceHandle(env, cls, iface); 1516 1517 ALOGD("android_net_wifi_get_driver_version = %p", handle); 1518 1519 if (handle == 0) { 1520 return NULL; 1521 } 1522 1523 wifi_error result = hal_fn.wifi_get_driver_version(handle, buffer, buffer_length); 1524 1525 if (result == WIFI_SUCCESS) { 1526 ALOGD("buffer is %p, length is %d", buffer, buffer_length); 1527 jstring driver_version = env->NewStringUTF(buffer); 1528 free(buffer); 1529 return driver_version; 1530 } else { 1531 ALOGD("Fail to get driver version"); 1532 return NULL; 1533 } 1534} 1535 1536static jobject android_net_wifi_get_firmware_version(JNIEnv *env, jclass cls, jint iface) { 1537 1538 //char *buffer = NULL; 1539 int buffer_length = 256; 1540 char *buffer = (char *)malloc(buffer_length); 1541 if (!buffer) return NULL; 1542 memset(buffer, 0, buffer_length); 1543 wifi_interface_handle handle = getIfaceHandle(env, cls, iface); 1544 1545 ALOGD("android_net_wifi_get_firmware_version = %p", handle); 1546 1547 if (handle == 0) { 1548 return NULL; 1549 } 1550 1551 wifi_error result = hal_fn.wifi_get_firmware_version(handle, buffer, buffer_length); 1552 1553 if (result == WIFI_SUCCESS) { 1554 ALOGD("buffer is %p, length is %d", buffer, buffer_length); 1555 jstring firmware_version = env->NewStringUTF(buffer); 1556 free(buffer); 1557 return firmware_version; 1558 } else { 1559 ALOGD("Fail to get Firmware version"); 1560 return NULL; 1561 } 1562} 1563 1564static jobject android_net_wifi_get_ring_buffer_status (JNIEnv *env, jclass cls, jint iface) { 1565 1566 wifi_interface_handle handle = getIfaceHandle(env, cls, iface); 1567 1568 ALOGD(" android_net_wifi_get_ring_buffer_status = %p", handle); 1569 1570 if (handle == 0) { 1571 return NULL; 1572 } 1573 1574 //wifi_ring_buffer_status *status = NULL; 1575 u32 num_rings = 10; 1576 wifi_ring_buffer_status *status = 1577 (wifi_ring_buffer_status *)malloc(sizeof(wifi_ring_buffer_status) * num_rings); 1578 if (!status) return NULL; 1579 memset(status, 0, sizeof(wifi_ring_buffer_status) * num_rings); 1580 wifi_error result = hal_fn.wifi_get_ring_buffers_status(handle, &num_rings, status); 1581 if (result == WIFI_SUCCESS) { 1582 ALOGD("status is %p, number is %d", status, num_rings); 1583 jclass clsRingBufferStatus = 1584 (env)->FindClass("com/android/server/wifi/WifiLogger$RingBufferStatus"); 1585 if (clsRingBufferStatus == NULL) { 1586 ALOGE("Error in accessing class"); 1587 free(status); 1588 return NULL; 1589 } 1590 jobjectArray ringBuffersStatus = env->NewObjectArray(num_rings,clsRingBufferStatus, NULL); 1591 wifi_ring_buffer_status *tmp = status; 1592 1593 for(u32 i = 0; i < num_rings; i++, tmp++) { 1594 jobject ringStatus = createObject(env, 1595 "com/android/server/wifi/WifiLogger$RingBufferStatus"); 1596 if (ringStatus == NULL) { 1597 ALOGE("Error in creating ringBufferStatus"); 1598 free(status); 1599 return NULL; 1600 } 1601 char name[32]; 1602 for(int j = 0; j < 32; j++) { 1603 name[j] = tmp->name[j]; 1604 } 1605 setStringField(env, ringStatus, "name", name); 1606 setIntField(env, ringStatus, "flag", tmp->flags); 1607 setIntField(env, ringStatus, "ringBufferId", tmp->ring_id); 1608 setIntField(env, ringStatus, "ringBufferByteSize", tmp->ring_buffer_byte_size); 1609 setIntField(env, ringStatus, "verboseLevel", tmp->verbose_level); 1610 setIntField(env, ringStatus, "writtenBytes", tmp->written_bytes); 1611 setIntField(env, ringStatus, "readBytes", tmp->read_bytes); 1612 setIntField(env, ringStatus, "writtenRecords", tmp->written_records); 1613 env->SetObjectArrayElement(ringBuffersStatus, i, ringStatus); 1614 } 1615 free(status); 1616 return ringBuffersStatus; 1617 } else { 1618 free(status); 1619 return NULL; 1620 } 1621} 1622 1623static void on_ring_buffer_data(char *ring_name, char *buffer, int buffer_size, 1624 wifi_ring_buffer_status *status) { 1625 if (!ring_name || !buffer || !status || buffer_size <= sizeof(wifi_ring_buffer_entry)) { 1626 ALOGE("Error input for on_ring_buffer_data!"); 1627 } 1628 JNIEnv *env = NULL; 1629 mVM->AttachCurrentThread(&env, NULL); 1630 ALOGD("on_ring_buffer_data called, vm = %p, obj = %p, env = %p buffer size = %d", mVM, 1631 mCls, env, buffer_size); 1632 1633 jobject wifiLoggerEvent = createObject(env, 1634 "com/android/server/wifi/WifiNative$WifiLoggerEvent"); 1635 1636 //jstring reportBuffer = env->NewStringUTF(buffer); 1637 //setStringField(env, wifiLoggerEvent, "buffer", buffer); 1638 1639 jobject ringStatus = createObject(env, 1640 "com/android/server/wifi/WifiLogger$RingBufferStatus"); 1641 if (status == NULL) { 1642 ALOGE("Error in creating ringBufferStatus"); 1643 return; 1644 } 1645 1646 char name[32]; 1647 for(int j = 0; j < 32; j++) { 1648 name[j] = status->name[j]; 1649 } 1650 setStringField(env, ringStatus, "name", name); 1651 setIntField(env, ringStatus, "flag", status->flags); 1652 setIntField(env, ringStatus, "ringBufferId", status->ring_id); 1653 setIntField(env, ringStatus, "ringBufferByteSize", status->ring_buffer_byte_size); 1654 setIntField(env, ringStatus, "verboseLevel", status->verbose_level); 1655 setIntField(env, ringStatus, "writtenBytes", status->written_bytes); 1656 setIntField(env, ringStatus, "readBytes", status->read_bytes); 1657 setIntField(env, ringStatus, "writtenRecords", status->written_records); 1658 setObjectField(env, wifiLoggerEvent, "status", 1659 "Lcom/android/server/wifi/WifiLogger$RingBufferStatus;", ringStatus); 1660 //set entry 1661 wifi_ring_buffer_entry *buffer_entry = (wifi_ring_buffer_entry *) buffer; 1662 setIntField(env,wifiLoggerEvent, "entrySize", buffer_entry->entry_size); 1663 setIntField(env,wifiLoggerEvent, "flags", buffer_entry->flags); 1664 setIntField(env,wifiLoggerEvent, "type", buffer_entry->type); 1665 setLongField(env,wifiLoggerEvent, "timestamp", buffer_entry->timestamp); 1666 //set records 1667 int record_size = buffer_size - sizeof(wifi_ring_buffer_entry); 1668 if (buffer_entry->entry_size > 0) { 1669 jbyteArray records = env->NewByteArray(buffer_entry->entry_size); 1670 jbyte *bytes = (jbyte *) (buffer_entry + 1); 1671 env->SetByteArrayRegion(records, 0, buffer_entry->entry_size, bytes); 1672 setObjectField(env,wifiLoggerEvent, "entry", "[B", records); 1673 env->DeleteLocalRef(records); 1674 } 1675 1676 reportEvent(env, mCls,"onWifiLoggerEvent", 1677 "(Lcom/android/server/wifi/WifiNative$WifiLoggerEvent;)V", wifiLoggerEvent); 1678 1679 env->DeleteLocalRef(ringStatus); 1680 env->DeleteLocalRef(wifiLoggerEvent); 1681} 1682 1683static void on_alert_data(wifi_request_id id, char *buffer, int buffer_size, int err_code){ 1684 JNIEnv *env = NULL; 1685 mVM->AttachCurrentThread(&env, NULL); 1686 ALOGD(" on_alert_data called, vm = %p, obj = %p, env = %p buffer_size = %d, error code = %d" 1687 , mVM, mCls, env, buffer_size, err_code); 1688 1689 if (buffer_size > 0) { 1690 jbyteArray records = env->NewByteArray(buffer_size); 1691 jbyte *bytes = (jbyte *) buffer; 1692 env->SetByteArrayRegion(records, 0,buffer_size, bytes); 1693 reportEvent(env, mCls,"onWifiAlert","([B;I)V", records, err_code); 1694 env->DeleteLocalRef(records); 1695 } else { 1696 reportEvent(env, mCls,"onWifiAlert","([B;I)V", NULL, err_code); 1697 } 1698} 1699 1700static jboolean android_net_wifi_start_logging_ring_buffer(JNIEnv *env, jclass cls, jint iface, 1701 jint verbose_level,jint flags, jint max_interval,jint min_data_size, jstring ring_name) { 1702 1703 wifi_interface_handle handle = getIfaceHandle(env, cls, iface); 1704 1705 ALOGD("android_net_wifi_start_logging_ring_buffer = %p", handle); 1706 1707 if (handle == 0) { 1708 return false; 1709 } 1710 1711 //set logging handler 1712 1713 //initialize the handler on first time 1714 wifi_ring_buffer_data_handler handler; 1715 handler.on_ring_buffer_data = &on_ring_buffer_data; 1716 int result = hal_fn.wifi_set_log_handler(0, handle, handler); 1717 if (result != WIFI_SUCCESS) { 1718 ALOGE("Fail to set logging handler"); 1719 return false; 1720 } else { 1721 ALOGE(" Successfully set on_ring_buffer_data"); 1722 } 1723 //set alter handler 1724 wifi_alert_handler alert_handler; 1725 alert_handler.on_alert = &on_alert_data; 1726 result = hal_fn.wifi_set_alert_handler(0, handle, alert_handler); 1727 if (result != WIFI_SUCCESS) { 1728 ALOGE(" Fail to set logging handler"); 1729 return false; 1730 } else { 1731 ALOGE(" Successfully set on_alert"); 1732 } 1733 1734 1735 const char* ring_name_const_char = env->GetStringUTFChars(ring_name, JNI_FALSE); 1736 int len; 1737 for(len = 0; ring_name_const_char[len] != 0; len++); 1738 1739 char* ring_name_char = (char*) malloc(len+1); 1740 memcpy(ring_name_char, ring_name_const_char, len+1); 1741 1742 int ret = hal_fn.wifi_start_logging(handle, verbose_level, flags, max_interval, min_data_size, 1743 ring_name_char); 1744 1745 if (ret != WIFI_SUCCESS) { 1746 ALOGE("Fail to start logging for ring %s", ring_name); 1747 } else { 1748 ALOGD("start logging for ring %s", ring_name); 1749 } 1750 env->ReleaseStringUTFChars(ring_name, ring_name_char); 1751 return ret == WIFI_SUCCESS; 1752} 1753 1754static jboolean android_net_wifi_get_ring_buffer_data(JNIEnv *env, jclass cls, jint iface, 1755 jstring ring_name) { 1756 wifi_interface_handle handle = getIfaceHandle(env, cls, iface); 1757 ALOGD("android_net_wifi_get_ring_buffer_data = %p", handle); 1758 1759 1760 const char* ring_name_const_char = env->GetStringUTFChars(ring_name, JNI_FALSE); 1761 int len; 1762 for(len = 0; ring_name_const_char[len] != 0; len++); 1763 char* ring_name_char = (char*) malloc(len+1); 1764 memcpy(ring_name_char, ring_name_const_char, len+1); 1765 1766 int result = hal_fn.wifi_get_ring_data(handle, ring_name_char); 1767 1768 if (result == WIFI_SUCCESS) 1769 ALOGD("Get Ring data command success\n"); 1770 else 1771 ALOGE("Failed to execute get ring data command\n"); 1772 1773 env->ReleaseStringUTFChars(ring_name, ring_name_char); 1774 return result == WIFI_SUCCESS; 1775} 1776 1777 1778void on_firmware_memory_dump(char *buffer, int buffer_size) { 1779 JNIEnv *env = NULL; 1780 mVM->AttachCurrentThread(&env, NULL); 1781 ALOGD("on_firmware_memory_dump called, vm = %p, obj = %p, env = %p buffer_size = %d" 1782 , mVM, mCls, env, buffer_size); 1783 1784 if (buffer_size > 0) { 1785 jbyteArray dump = env->NewByteArray(buffer_size); 1786 jbyte *bytes = (jbyte *) (buffer); 1787 env->SetByteArrayRegion(dump, 0, buffer_size, bytes); 1788 reportEvent(env, mCls,"onWifiFwMemoryAvailable","([B)V", dump); 1789 env->DeleteLocalRef(dump); 1790 } 1791 1792} 1793 1794static jboolean android_net_wifi_get_fw_memory_dump(JNIEnv *env, jclass cls, jint iface){ 1795 wifi_interface_handle handle = getIfaceHandle(env, cls, iface); 1796 ALOGD("android_net_wifi_get_fw_memory_dump = %p", handle); 1797 1798 if (handle == NULL) { 1799 ALOGE("Can not get wifi_interface_handle"); 1800 return false; 1801 } 1802 1803 wifi_firmware_memory_dump_handler fw_dump_handle; 1804 fw_dump_handle.on_firmware_memory_dump = on_firmware_memory_dump; 1805 int result = hal_fn.wifi_get_firmware_memory_dump(handle, fw_dump_handle); 1806 return result == WIFI_SUCCESS; 1807 1808} 1809 1810// ---------------------------------------------------------------------------- 1811// ePno framework 1812// ---------------------------------------------------------------------------- 1813 1814 1815static void onPnoNetworkFound(wifi_request_id id, 1816 unsigned num_results, wifi_scan_result *results) { 1817 JNIEnv *env = NULL; 1818 mVM->AttachCurrentThread(&env, NULL); 1819 1820 ALOGD("onPnoNetworkFound called, vm = %p, obj = %p, env = %p, num_results %u", 1821 mVM, mCls, env, num_results); 1822 1823 if (results == 0 || num_results == 0) { 1824 ALOGE("onPnoNetworkFound: Error no results"); 1825 return; 1826 } 1827 1828 jobject scanResult; 1829 jbyte *bytes; 1830 jobjectArray scanResults; 1831 //jbyteArray elements; 1832 1833 for (unsigned i=0; i<num_results; i++) { 1834 1835 scanResult = createScanResult(env, &results[i]); 1836 if (i == 0) { 1837 scanResults = env->NewObjectArray(num_results, 1838 env->FindClass("android/net/wifi/ScanResult"), scanResult); 1839 if (scanResults == 0) { 1840 ALOGD("cant allocate array"); 1841 } else { 1842 ALOGD("allocated array %u", env->GetArrayLength(scanResults)); 1843 } 1844 } else { 1845 env->SetObjectArrayElement(scanResults, i, scanResult); 1846 } 1847 1848 ALOGD("Scan result with ie length %d, i %u, <%s> rssi=%d %02x:%02x:%02x:%02x:%02x:%02x", 1849 results->ie_length, i, results[i].ssid, results[i].rssi, results[i].bssid[0], 1850 results[i].bssid[1],results[i].bssid[2], results[i].bssid[3], results[i].bssid[4], 1851 results[i].bssid[5]); 1852 1853 /*elements = env->NewByteArray(results->ie_length); 1854 if (elements == NULL) { 1855 ALOGE("Error in allocating array"); 1856 return; 1857 }*/ 1858 1859 //ALOGD("onPnoNetworkFound: Setting byte array"); 1860 1861 //bytes = (jbyte *)&(results->ie_data[0]); 1862 //env->SetByteArrayRegion(elements, 0, results->ie_length, bytes); 1863 1864 //ALOGD("onPnoNetworkFound: Returning result"); 1865 } 1866 1867 1868 ALOGD("calling report"); 1869 1870 reportEvent(env, mCls, "onPnoNetworkFound", "(I[Landroid/net/wifi/ScanResult;)V", id, 1871 scanResults); 1872 ALOGD("free ref"); 1873 1874 env->DeleteLocalRef(scanResults); 1875 //env->DeleteLocalRef(elements); 1876} 1877 1878static jboolean android_net_wifi_setPnoListNative( 1879 JNIEnv *env, jclass cls, jint iface, jint id, jobject list) { 1880 1881 wifi_epno_handler handler; 1882 handler.on_network_found = &onPnoNetworkFound; 1883 1884 wifi_interface_handle handle = getIfaceHandle(env, cls, iface); 1885 ALOGD("configure ePno list request [%d] = %p", id, handle); 1886 1887 if (list == NULL) { 1888 // stop pno 1889 int result = hal_fn.wifi_set_epno_list(id, handle, 0, NULL, handler); 1890 ALOGE(" setPnoListNative: STOP result = %d", result); 1891 return result; 1892 } 1893 1894 wifi_epno_network net_list[MAX_PNO_SSID]; 1895 memset(&net_list, 0, sizeof(net_list)); 1896 1897 size_t len = env->GetArrayLength((jobjectArray)list); 1898 if (len > (size_t)MAX_PNO_SSID) { 1899 return false; 1900 } 1901 1902 for (unsigned int i = 0; i < len; i++) { 1903 1904 jobject pno_net = env->GetObjectArrayElement((jobjectArray)list, i); 1905 if (pno_net == NULL) { 1906 ALOGD("setPnoListNative: could not get element %d", i); 1907 continue; 1908 } 1909 1910 jstring sssid = (jstring) getObjectField( 1911 env, pno_net, "SSID", "Ljava/lang/String;"); 1912 if (sssid == NULL) { 1913 ALOGE("Error setPnoListNative: getting ssid field"); 1914 return false; 1915 } 1916 1917 const char *ssid = env->GetStringUTFChars(sssid, NULL); 1918 if (ssid == NULL) { 1919 ALOGE("Error setPnoListNative: getting ssid"); 1920 return false; 1921 } 1922 int ssid_len = strnlen((const char*)ssid, 33); 1923 if (ssid_len > 32) { 1924 ALOGE("Error setPnoListNative: long ssid %u", strnlen((const char*)ssid, 256)); 1925 return false; 1926 } 1927 if (ssid_len > 1 && ssid[0] == '"' && ssid[ssid_len-1]) 1928 { 1929 // strip leading and trailing '"' 1930 ssid++; 1931 ssid_len-=2; 1932 } 1933 if (ssid_len == 0) { 1934 ALOGE("Error setPnoListNative: zero length ssid, skip it"); 1935 continue; 1936 } 1937 memcpy(net_list[i].ssid, ssid, ssid_len); 1938 1939 int rssit = getIntField(env, pno_net, "rssi_threshold"); 1940 net_list[i].rssi_threshold = (byte)rssit; 1941 int a = getIntField(env, pno_net, "auth"); 1942 net_list[i].auth_bit_field = a; 1943 int f = getIntField(env, pno_net, "flags"); 1944 net_list[i].flags = f; 1945 ALOGE(" setPnoListNative: idx %u rssi %d/%d auth %x/%x flags %x/%x [%s]", i, 1946 (signed byte)net_list[i].rssi_threshold, net_list[i].rssi_threshold, 1947 net_list[i].auth_bit_field, a, net_list[i].flags, f, net_list[i].ssid); 1948 } 1949 1950 int result = hal_fn.wifi_set_epno_list(id, handle, len, net_list, handler); 1951 ALOGE(" setPnoListNative: result %d", result); 1952 1953 return result >= 0; 1954} 1955 1956static jboolean android_net_wifi_setLazyRoam( 1957 JNIEnv *env, jclass cls, jint iface, jint id, jboolean enabled, jobject roam_param) { 1958 1959 jboolean status = true; 1960 wifi_roam_params params; 1961 memset(¶ms, 0, sizeof(params)); 1962 1963 wifi_interface_handle handle = getIfaceHandle(env, cls, iface); 1964 ALOGD("configure lazy roam request [%d] = %p", id, handle); 1965 1966 if (roam_param != NULL) { 1967 params.A_band_boost_threshold = getIntField(env, roam_param, "A_band_boost_threshold"); 1968 params.A_band_penalty_threshold = getIntField(env, roam_param, "A_band_penalty_threshold"); 1969 params.A_band_boost_factor = getIntField(env, roam_param, "A_band_boost_factor"); 1970 params.A_band_penalty_factor = getIntField(env, roam_param, "A_band_penalty_factor"); 1971 params.A_band_max_boost = getIntField(env, roam_param, "A_band_max_boost"); 1972 params.lazy_roam_hysteresis = getIntField(env, roam_param, "lazy_roam_hysteresis"); 1973 params.alert_roam_rssi_trigger = getIntField(env, roam_param, "alert_roam_rssi_trigger"); 1974 status = hal_fn.wifi_set_gscan_roam_params(id, handle, ¶ms); 1975 } 1976 if (status) { 1977 int doEnable = enabled ? 1 : 0; 1978 status = hal_fn.wifi_enable_lazy_roam(id, handle, doEnable); 1979 } 1980 ALOGE("android_net_wifi_setLazyRoam\n"); 1981 return status; 1982} 1983 1984// ---------------------------------------------------------------------------- 1985 1986/* 1987 * JNI registration. 1988 */ 1989static JNINativeMethod gWifiMethods[] = { 1990 /* name, signature, funcPtr */ 1991 1992 { "loadDriver", "()Z", (void *)android_net_wifi_loadDriver }, 1993 { "isDriverLoaded", "()Z", (void *)android_net_wifi_isDriverLoaded }, 1994 { "unloadDriver", "()Z", (void *)android_net_wifi_unloadDriver }, 1995 { "startSupplicant", "(Z)Z", (void *)android_net_wifi_startSupplicant }, 1996 { "killSupplicant", "(Z)Z", (void *)android_net_wifi_killSupplicant }, 1997 { "connectToSupplicantNative", "()Z", (void *)android_net_wifi_connectToSupplicant }, 1998 { "closeSupplicantConnectionNative", "()V", 1999 (void *)android_net_wifi_closeSupplicantConnection }, 2000 { "waitForEventNative", "()Ljava/lang/String;", (void*)android_net_wifi_waitForEvent }, 2001 { "doBooleanCommandNative", "(Ljava/lang/String;)Z", (void*)android_net_wifi_doBooleanCommand }, 2002 { "doIntCommandNative", "(Ljava/lang/String;)I", (void*)android_net_wifi_doIntCommand }, 2003 { "doStringCommandNative", "(Ljava/lang/String;)Ljava/lang/String;", 2004 (void*) android_net_wifi_doStringCommand }, 2005 { "startHalNative", "()Z", (void*) android_net_wifi_startHal }, 2006 { "stopHalNative", "()V", (void*) android_net_wifi_stopHal }, 2007 { "waitForHalEventNative", "()V", (void*) android_net_wifi_waitForHalEvents }, 2008 { "getInterfacesNative", "()I", (void*) android_net_wifi_getInterfaces}, 2009 { "getInterfaceNameNative", "(I)Ljava/lang/String;", (void*) android_net_wifi_getInterfaceName}, 2010 { "getScanCapabilitiesNative", "(ILcom/android/server/wifi/WifiNative$ScanCapabilities;)Z", 2011 (void *) android_net_wifi_getScanCapabilities}, 2012 { "startScanNative", "(IILcom/android/server/wifi/WifiNative$ScanSettings;)Z", 2013 (void*) android_net_wifi_startScan}, 2014 { "stopScanNative", "(II)Z", (void*) android_net_wifi_stopScan}, 2015 { "getScanResultsNative", "(IZ)[Landroid/net/wifi/WifiScanner$ScanData;", 2016 (void *) android_net_wifi_getScanResults}, 2017 { "setHotlistNative", "(IILandroid/net/wifi/WifiScanner$HotlistSettings;)Z", 2018 (void*) android_net_wifi_setHotlist}, 2019 { "resetHotlistNative", "(II)Z", (void*) android_net_wifi_resetHotlist}, 2020 { "trackSignificantWifiChangeNative", "(IILandroid/net/wifi/WifiScanner$WifiChangeSettings;)Z", 2021 (void*) android_net_wifi_trackSignificantWifiChange}, 2022 { "untrackSignificantWifiChangeNative", "(II)Z", 2023 (void*) android_net_wifi_untrackSignificantWifiChange}, 2024 { "getWifiLinkLayerStatsNative", "(I)Landroid/net/wifi/WifiLinkLayerStats;", 2025 (void*) android_net_wifi_getLinkLayerStats}, 2026 { "getSupportedFeatureSetNative", "(I)I", 2027 (void*) android_net_wifi_getSupportedFeatures}, 2028 { "requestRangeNative", "(II[Landroid/net/wifi/RttManager$RttParams;)Z", 2029 (void*) android_net_wifi_requestRange}, 2030 { "cancelRangeRequestNative", "(II[Landroid/net/wifi/RttManager$RttParams;)Z", 2031 (void*) android_net_wifi_cancelRange}, 2032 { "setScanningMacOuiNative", "(I[B)Z", (void*) android_net_wifi_setScanningMacOui}, 2033 { "getChannelsForBandNative", "(II)[I", (void*) android_net_wifi_getValidChannels}, 2034 { "setDfsFlagNative", "(IZ)Z", (void*) android_net_wifi_setDfsFlag}, 2035 { "toggleInterfaceNative", "(I)Z", (void*) android_net_wifi_toggle_interface}, 2036 { "getRttCapabilitiesNative", "(I)Landroid/net/wifi/RttManager$RttCapabilities;", 2037 (void*) android_net_wifi_get_rtt_capabilities}, 2038 {"setCountryCodeHalNative", "(ILjava/lang/String;)Z", 2039 (void*) android_net_wifi_set_Country_Code_Hal}, 2040 { "setPnoListNative", "(II[Lcom/android/server/wifi/WifiNative$WifiPnoNetwork;)Z", 2041 (void*) android_net_wifi_setPnoListNative}, 2042 {"enableDisableTdlsNative", "(IZLjava/lang/String;)Z", 2043 (void*) android_net_wifi_enable_disable_tdls}, 2044 {"getTdlsStatusNative", "(ILjava/lang/String;)Lcom/android/server/wifi/WifiNative$TdlsStatus;", 2045 (void*) android_net_wifi_get_tdls_status}, 2046 {"getTdlsCapabilitiesNative", "(I)Lcom/android/server/wifi/WifiNative$TdlsCapabilities;", 2047 (void*) android_net_wifi_get_tdls_capabilities}, 2048 {"getSupportedLoggerFeatureSetNative","(I)I", 2049 (void*) android_net_wifi_get_supported_logger_feature}, 2050 {"getDriverVersionNative", "(I)Ljava/lang/String;", 2051 (void*) android_net_wifi_get_driver_version}, 2052 {"getFirmwareVersionNative", "(I)Ljava/lang/String;", 2053 (void*) android_net_wifi_get_firmware_version}, 2054 {"getRingBufferStatusNative", "(I)[Lcom/android/server/wifi/WifiLogger$RingBufferStatus;", 2055 (void*) android_net_wifi_get_ring_buffer_status}, 2056 {"startLoggingRingBufferNative", "(IIIIILjava/lang/String;)Z", 2057 (void*) android_net_wifi_start_logging_ring_buffer}, 2058 {"getRingBufferDataNative", "(ILjava/lang/String;)Z", 2059 (void*) android_net_wifi_get_ring_buffer_data}, 2060 {"getFwMemoryDumpNative","(I)Z", (void*) android_net_wifi_get_fw_memory_dump}, 2061 { "setLazyRoam", "(IIZLcom/android/server/wifi/WifiNative$WifiLazyRoamParams;)Z", 2062 (void*) android_net_wifi_setLazyRoam} 2063}; 2064 2065int register_android_net_wifi_WifiNative(JNIEnv* env) { 2066 return AndroidRuntime::registerNativeMethods(env, 2067 "com/android/server/wifi/WifiNative", gWifiMethods, NELEM(gWifiMethods)); 2068} 2069 2070 2071/* User to register native functions */ 2072extern "C" 2073jint Java_com_android_server_wifi_WifiNative_registerNatives(JNIEnv* env, jclass clazz) { 2074 return AndroidRuntime::registerNativeMethods(env, 2075 "com/android/server/wifi/WifiNative", gWifiMethods, NELEM(gWifiMethods)); 2076} 2077 2078}; // namespace android 2079