com_android_server_wifi_WifiNative.cpp revision 7f9a15d554f69311a0db43347d6473a7c4c46e2e
1155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande/* 2155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande * Copyright 2008, The Android Open Source Project 3155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande * 4155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande * Licensed under the Apache License, Version 2.0 (the "License"); 5155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande * you may not use this file except in compliance with the License. 6155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande * You may obtain a copy of the License at 7155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande * 8155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande * http://www.apache.org/licenses/LICENSE-2.0 9155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande * 10155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande * Unless required by applicable law or agreed to in writing, software 11155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande * distributed under the License is distributed on an "AS IS" BASIS, 12155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande * See the License for the specific language governing permissions and 14155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande * limitations under the License. 15155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande */ 16155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande 17155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande#define LOG_TAG "wifi" 18155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande 19155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande#include "jni.h" 20155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande#include <ScopedUtfChars.h> 21155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande#include <utils/misc.h> 22155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande#include <android_runtime/AndroidRuntime.h> 23155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande#include <utils/Log.h> 24155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande#include <utils/String16.h> 25155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande 26155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande#include "wifi.h" 277ef73dd1b6e43c72b3841723504cd86dc402a134Vinit Deshapnde#include "wifi_hal.h" 287f9a15d554f69311a0db43347d6473a7c4c46e2eVinit Deshapnde#include "jni_helper.h" 29155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande 30155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande#define REPLY_BUF_SIZE 4096 // wpa_supplicant's maximum size. 31155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande#define EVENT_BUF_SIZE 2048 32155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande 33155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpandenamespace android { 34155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande 35155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpandestatic jint DBG = false; 36155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande 37155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpandestatic bool doCommand(JNIEnv* env, jstring javaCommand, 38155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande char* reply, size_t reply_len) { 39155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande ScopedUtfChars command(env, javaCommand); 40155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande if (command.c_str() == NULL) { 41155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande return false; // ScopedUtfChars already threw on error. 42155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande } 43155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande 44155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande if (DBG) { 45155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande ALOGD("doCommand: %s", command.c_str()); 46155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande } 47155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande 48155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande --reply_len; // Ensure we have room to add NUL termination. 49155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande if (::wifi_command(command.c_str(), reply, &reply_len) != 0) { 50155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande return false; 51155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande } 52155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande 53155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande // Strip off trailing newline. 54155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande if (reply_len > 0 && reply[reply_len-1] == '\n') { 55155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande reply[reply_len-1] = '\0'; 56155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande } else { 57155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande reply[reply_len] = '\0'; 58155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande } 59155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande return true; 60155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande} 61155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande 62155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpandestatic jint doIntCommand(JNIEnv* env, jstring javaCommand) { 63155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande char reply[REPLY_BUF_SIZE]; 64155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande if (!doCommand(env, javaCommand, reply, sizeof(reply))) { 65155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande return -1; 66155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande } 67155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande return static_cast<jint>(atoi(reply)); 68155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande} 69155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande 70155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpandestatic jboolean doBooleanCommand(JNIEnv* env, jstring javaCommand) { 71155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande char reply[REPLY_BUF_SIZE]; 72155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande if (!doCommand(env, javaCommand, reply, sizeof(reply))) { 73155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande return JNI_FALSE; 74155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande } 75155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande return (strcmp(reply, "OK") == 0); 76155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande} 77155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande 78155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande// Send a command to the supplicant, and return the reply as a String. 79155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpandestatic jstring doStringCommand(JNIEnv* env, jstring javaCommand) { 80155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande char reply[REPLY_BUF_SIZE]; 81155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande if (!doCommand(env, javaCommand, reply, sizeof(reply))) { 82155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande return NULL; 83155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande } 84155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande return env->NewStringUTF(reply); 85155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande} 86155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande 87155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpandestatic jboolean android_net_wifi_isDriverLoaded(JNIEnv* env, jobject) 88155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande{ 89155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande return (::is_wifi_driver_loaded() == 1); 90155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande} 91155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande 92155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpandestatic jboolean android_net_wifi_loadDriver(JNIEnv* env, jobject) 93155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande{ 94155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande return (::wifi_load_driver() == 0); 95155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande} 96155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande 97155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpandestatic jboolean android_net_wifi_unloadDriver(JNIEnv* env, jobject) 98155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande{ 99155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande return (::wifi_unload_driver() == 0); 100155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande} 101155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande 102155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpandestatic jboolean android_net_wifi_startSupplicant(JNIEnv* env, jobject, jboolean p2pSupported) 103155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande{ 104155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande return (::wifi_start_supplicant(p2pSupported) == 0); 105155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande} 106155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande 107155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpandestatic jboolean android_net_wifi_killSupplicant(JNIEnv* env, jobject, jboolean p2pSupported) 108155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande{ 109155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande return (::wifi_stop_supplicant(p2pSupported) == 0); 110155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande} 111155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande 112155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpandestatic jboolean android_net_wifi_connectToSupplicant(JNIEnv* env, jobject) 113155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande{ 114155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande return (::wifi_connect_to_supplicant() == 0); 115155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande} 116155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande 117155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpandestatic void android_net_wifi_closeSupplicantConnection(JNIEnv* env, jobject) 118155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande{ 119155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande ::wifi_close_supplicant_connection(); 120155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande} 121155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande 122155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpandestatic jstring android_net_wifi_waitForEvent(JNIEnv* env, jobject) 123155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande{ 124155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande char buf[EVENT_BUF_SIZE]; 125155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande int nread = ::wifi_wait_for_event(buf, sizeof buf); 126155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande if (nread > 0) { 127155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande return env->NewStringUTF(buf); 128155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande } else { 129155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande return NULL; 130155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande } 131155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande} 132155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande 133155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpandestatic jboolean android_net_wifi_doBooleanCommand(JNIEnv* env, jobject, jstring javaCommand) { 134155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande return doBooleanCommand(env, javaCommand); 135155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande} 136155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande 137155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpandestatic jint android_net_wifi_doIntCommand(JNIEnv* env, jobject, jstring javaCommand) { 138155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande return doIntCommand(env, javaCommand); 139155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande} 140155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande 141155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpandestatic jstring android_net_wifi_doStringCommand(JNIEnv* env, jobject, jstring javaCommand) { 142155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande return doStringCommand(env,javaCommand); 143155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande} 144155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande 1457f9a15d554f69311a0db43347d6473a7c4c46e2eVinit Deshapnde/* wifi_hal <==> WifiNative bridge */ 1467f9a15d554f69311a0db43347d6473a7c4c46e2eVinit Deshapnde 1477f9a15d554f69311a0db43347d6473a7c4c46e2eVinit Deshapndestatic jobject mObj; /* saved WifiNative object */ 1487f9a15d554f69311a0db43347d6473a7c4c46e2eVinit Deshapndestatic JavaVM *mVM; /* saved JVM pointer */ 1497f9a15d554f69311a0db43347d6473a7c4c46e2eVinit Deshapnde 1507f9a15d554f69311a0db43347d6473a7c4c46e2eVinit Deshapndestatic const char *WifiHandleVarName = "mWifiHalHandle"; 1517f9a15d554f69311a0db43347d6473a7c4c46e2eVinit Deshapndestatic const char *WifiIfaceHandleVarName = "mWifiIfaceHandles"; 1527f9a15d554f69311a0db43347d6473a7c4c46e2eVinit Deshapndestatic jmethodID OnScanResultsMethodID; 1537f9a15d554f69311a0db43347d6473a7c4c46e2eVinit Deshapnde 1547f9a15d554f69311a0db43347d6473a7c4c46e2eVinit Deshapndestatic JNIEnv *getEnv() { 1557f9a15d554f69311a0db43347d6473a7c4c46e2eVinit Deshapnde JNIEnv *env = NULL; 1567f9a15d554f69311a0db43347d6473a7c4c46e2eVinit Deshapnde mVM->AttachCurrentThread(&env, NULL); 1577f9a15d554f69311a0db43347d6473a7c4c46e2eVinit Deshapnde return env; 1587f9a15d554f69311a0db43347d6473a7c4c46e2eVinit Deshapnde} 1597f9a15d554f69311a0db43347d6473a7c4c46e2eVinit Deshapnde 1607f9a15d554f69311a0db43347d6473a7c4c46e2eVinit Deshapndestatic wifi_handle getWifiHandle(JNIEnv *env, jobject obj) { 1617f9a15d554f69311a0db43347d6473a7c4c46e2eVinit Deshapnde return (wifi_handle) getLongField(env, obj, WifiHandleVarName); 1627f9a15d554f69311a0db43347d6473a7c4c46e2eVinit Deshapnde} 1637f9a15d554f69311a0db43347d6473a7c4c46e2eVinit Deshapnde 1647f9a15d554f69311a0db43347d6473a7c4c46e2eVinit Deshapndestatic wifi_interface_handle getIfaceHandle(JNIEnv *env, jobject obj, jint index) { 1657f9a15d554f69311a0db43347d6473a7c4c46e2eVinit Deshapnde return (wifi_interface_handle) getLongArrayField(env, obj, WifiIfaceHandleVarName, index); 1667f9a15d554f69311a0db43347d6473a7c4c46e2eVinit Deshapnde} 1677f9a15d554f69311a0db43347d6473a7c4c46e2eVinit Deshapnde 1687f9a15d554f69311a0db43347d6473a7c4c46e2eVinit Deshapndestatic void saveEventMethodIds(JNIEnv *env, jobject obj) { 1697f9a15d554f69311a0db43347d6473a7c4c46e2eVinit Deshapnde 1707f9a15d554f69311a0db43347d6473a7c4c46e2eVinit Deshapnde jclass cls = (env)->GetObjectClass(obj); 1717f9a15d554f69311a0db43347d6473a7c4c46e2eVinit Deshapnde if (cls == NULL) { 1727f9a15d554f69311a0db43347d6473a7c4c46e2eVinit Deshapnde ALOGE("Error in accessing class"); 1737f9a15d554f69311a0db43347d6473a7c4c46e2eVinit Deshapnde return; 1747f9a15d554f69311a0db43347d6473a7c4c46e2eVinit Deshapnde } else { 1757f9a15d554f69311a0db43347d6473a7c4c46e2eVinit Deshapnde ALOGD("cls = %p", cls); 1767f9a15d554f69311a0db43347d6473a7c4c46e2eVinit Deshapnde } 1777f9a15d554f69311a0db43347d6473a7c4c46e2eVinit Deshapnde 1787f9a15d554f69311a0db43347d6473a7c4c46e2eVinit Deshapnde jmethodID method = env->GetMethodID(cls, "onScanResults", 1797f9a15d554f69311a0db43347d6473a7c4c46e2eVinit Deshapnde "(I[Lcom/android/server/wifi/WifiNative$ScanResult;)V"); 1807f9a15d554f69311a0db43347d6473a7c4c46e2eVinit Deshapnde 1817f9a15d554f69311a0db43347d6473a7c4c46e2eVinit Deshapnde if (method == NULL) { 1827f9a15d554f69311a0db43347d6473a7c4c46e2eVinit Deshapnde ALOGE("Error in getting method ID"); 1837f9a15d554f69311a0db43347d6473a7c4c46e2eVinit Deshapnde return; 1847f9a15d554f69311a0db43347d6473a7c4c46e2eVinit Deshapnde } else { 1857f9a15d554f69311a0db43347d6473a7c4c46e2eVinit Deshapnde ALOGD("method = %p", method); 1867f9a15d554f69311a0db43347d6473a7c4c46e2eVinit Deshapnde } 1877f9a15d554f69311a0db43347d6473a7c4c46e2eVinit Deshapnde} 1887f9a15d554f69311a0db43347d6473a7c4c46e2eVinit Deshapnde 1897f9a15d554f69311a0db43347d6473a7c4c46e2eVinit Deshapndestatic jboolean android_net_wifi_startHal(JNIEnv* env, jobject obj) { 1907ef73dd1b6e43c72b3841723504cd86dc402a134Vinit Deshapnde ALOGD("In wifi start Hal"); 1917f9a15d554f69311a0db43347d6473a7c4c46e2eVinit Deshapnde wifi_handle halHandle = getWifiHandle(env, obj); 1927ef73dd1b6e43c72b3841723504cd86dc402a134Vinit Deshapnde if (halHandle == NULL) { 1937ef73dd1b6e43c72b3841723504cd86dc402a134Vinit Deshapnde wifi_error res = wifi_initialize(&halHandle); 1947f9a15d554f69311a0db43347d6473a7c4c46e2eVinit Deshapnde if (res == WIFI_SUCCESS) { 1957f9a15d554f69311a0db43347d6473a7c4c46e2eVinit Deshapnde setLongField(env, obj, WifiHandleVarName, (jlong)halHandle); 1967f9a15d554f69311a0db43347d6473a7c4c46e2eVinit Deshapnde } 1977f9a15d554f69311a0db43347d6473a7c4c46e2eVinit Deshapnde env->GetJavaVM(&mVM); 1987f9a15d554f69311a0db43347d6473a7c4c46e2eVinit Deshapnde mObj = env->NewGlobalRef(obj); 1997f9a15d554f69311a0db43347d6473a7c4c46e2eVinit Deshapnde ALOGD("halHandle = %p, mVM = %p, mObj = %p", halHandle, mVM, mObj); 2007ef73dd1b6e43c72b3841723504cd86dc402a134Vinit Deshapnde return res == WIFI_SUCCESS; 2017f9a15d554f69311a0db43347d6473a7c4c46e2eVinit Deshapnde } else { 2027f9a15d554f69311a0db43347d6473a7c4c46e2eVinit Deshapnde return true; 2037ef73dd1b6e43c72b3841723504cd86dc402a134Vinit Deshapnde } 2047ef73dd1b6e43c72b3841723504cd86dc402a134Vinit Deshapnde} 2057ef73dd1b6e43c72b3841723504cd86dc402a134Vinit Deshapnde 2067ef73dd1b6e43c72b3841723504cd86dc402a134Vinit Deshapndevoid android_net_wifi_hal_cleaned_up_handler(wifi_handle handle) { 2077ef73dd1b6e43c72b3841723504cd86dc402a134Vinit Deshapnde ALOGD("In wifi cleaned up handler"); 2087f9a15d554f69311a0db43347d6473a7c4c46e2eVinit Deshapnde 2097f9a15d554f69311a0db43347d6473a7c4c46e2eVinit Deshapnde JNIEnv * env = getEnv(); 2107f9a15d554f69311a0db43347d6473a7c4c46e2eVinit Deshapnde setLongField(env, mObj, WifiHandleVarName, 0); 2117f9a15d554f69311a0db43347d6473a7c4c46e2eVinit Deshapnde env->DeleteGlobalRef(mObj); 2127f9a15d554f69311a0db43347d6473a7c4c46e2eVinit Deshapnde mObj = NULL; 2137f9a15d554f69311a0db43347d6473a7c4c46e2eVinit Deshapnde mVM = NULL; 2147ef73dd1b6e43c72b3841723504cd86dc402a134Vinit Deshapnde} 2157ef73dd1b6e43c72b3841723504cd86dc402a134Vinit Deshapnde 2167f9a15d554f69311a0db43347d6473a7c4c46e2eVinit Deshapndestatic void android_net_wifi_stopHal(JNIEnv* env, jobject obj) { 2177ef73dd1b6e43c72b3841723504cd86dc402a134Vinit Deshapnde ALOGD("In wifi stop Hal"); 2187f9a15d554f69311a0db43347d6473a7c4c46e2eVinit Deshapnde wifi_handle halHandle = getWifiHandle(env, obj); 2197ef73dd1b6e43c72b3841723504cd86dc402a134Vinit Deshapnde wifi_cleanup(halHandle, android_net_wifi_hal_cleaned_up_handler); 2207ef73dd1b6e43c72b3841723504cd86dc402a134Vinit Deshapnde} 2217ef73dd1b6e43c72b3841723504cd86dc402a134Vinit Deshapnde 2227f9a15d554f69311a0db43347d6473a7c4c46e2eVinit Deshapndestatic void android_net_wifi_waitForHalEvents(JNIEnv* env, jobject obj) { 2237f9a15d554f69311a0db43347d6473a7c4c46e2eVinit Deshapnde 2247f9a15d554f69311a0db43347d6473a7c4c46e2eVinit Deshapnde ALOGD("waitForHalEvents called, vm = %p, obj = %p, env = %p", mVM, mObj, env); 2257f9a15d554f69311a0db43347d6473a7c4c46e2eVinit Deshapnde 2267f9a15d554f69311a0db43347d6473a7c4c46e2eVinit Deshapnde wifi_handle halHandle = getWifiHandle(env, obj); 2277f9a15d554f69311a0db43347d6473a7c4c46e2eVinit Deshapnde ALOGD("halHandle = %p", halHandle); 2287ef73dd1b6e43c72b3841723504cd86dc402a134Vinit Deshapnde wifi_event_loop(halHandle); 2297ef73dd1b6e43c72b3841723504cd86dc402a134Vinit Deshapnde} 2307ef73dd1b6e43c72b3841723504cd86dc402a134Vinit Deshapnde 2317f9a15d554f69311a0db43347d6473a7c4c46e2eVinit Deshapndestatic int android_net_wifi_getInterfaces(JNIEnv *env, jobject obj) { 2327f9a15d554f69311a0db43347d6473a7c4c46e2eVinit Deshapnde int n = 0; 2337f9a15d554f69311a0db43347d6473a7c4c46e2eVinit Deshapnde wifi_handle halHandle = getWifiHandle(env, obj); 2347f9a15d554f69311a0db43347d6473a7c4c46e2eVinit Deshapnde wifi_interface_handle *ifaceHandles = NULL; 2357f9a15d554f69311a0db43347d6473a7c4c46e2eVinit Deshapnde int result = wifi_get_ifaces(halHandle, &n, &ifaceHandles); 2367f9a15d554f69311a0db43347d6473a7c4c46e2eVinit Deshapnde if (result < 0) { 2377f9a15d554f69311a0db43347d6473a7c4c46e2eVinit Deshapnde return result; 2387f9a15d554f69311a0db43347d6473a7c4c46e2eVinit Deshapnde } 2397f9a15d554f69311a0db43347d6473a7c4c46e2eVinit Deshapnde 2407f9a15d554f69311a0db43347d6473a7c4c46e2eVinit Deshapnde jlongArray array = (env)->NewLongArray(n); 2417f9a15d554f69311a0db43347d6473a7c4c46e2eVinit Deshapnde if (array == NULL) { 2427f9a15d554f69311a0db43347d6473a7c4c46e2eVinit Deshapnde THROW(env, "Error in accessing array"); 2437f9a15d554f69311a0db43347d6473a7c4c46e2eVinit Deshapnde return 0; 2447f9a15d554f69311a0db43347d6473a7c4c46e2eVinit Deshapnde } 2457f9a15d554f69311a0db43347d6473a7c4c46e2eVinit Deshapnde 2467f9a15d554f69311a0db43347d6473a7c4c46e2eVinit Deshapnde jlong elems[8]; 2477f9a15d554f69311a0db43347d6473a7c4c46e2eVinit Deshapnde if (n > 8) { 2487f9a15d554f69311a0db43347d6473a7c4c46e2eVinit Deshapnde THROW(env, "Too many interfaces"); 2497f9a15d554f69311a0db43347d6473a7c4c46e2eVinit Deshapnde return 0; 2507f9a15d554f69311a0db43347d6473a7c4c46e2eVinit Deshapnde } 2517f9a15d554f69311a0db43347d6473a7c4c46e2eVinit Deshapnde 2527f9a15d554f69311a0db43347d6473a7c4c46e2eVinit Deshapnde for (int i = 0; i < n; i++) { 2537f9a15d554f69311a0db43347d6473a7c4c46e2eVinit Deshapnde elems[i] = reinterpret_cast<jlong>(ifaceHandles[i]); 2547f9a15d554f69311a0db43347d6473a7c4c46e2eVinit Deshapnde } 2557f9a15d554f69311a0db43347d6473a7c4c46e2eVinit Deshapnde 2567f9a15d554f69311a0db43347d6473a7c4c46e2eVinit Deshapnde env->SetLongArrayRegion(array, 0, n, elems); 2577f9a15d554f69311a0db43347d6473a7c4c46e2eVinit Deshapnde 2587f9a15d554f69311a0db43347d6473a7c4c46e2eVinit Deshapnde setLongArrayField(env, obj, WifiIfaceHandleVarName, array); 2597f9a15d554f69311a0db43347d6473a7c4c46e2eVinit Deshapnde return (result < 0) ? result : n; 2607f9a15d554f69311a0db43347d6473a7c4c46e2eVinit Deshapnde} 2617f9a15d554f69311a0db43347d6473a7c4c46e2eVinit Deshapnde 2627f9a15d554f69311a0db43347d6473a7c4c46e2eVinit Deshapndestatic jstring android_net_wifi_getInterfaceName(JNIEnv *env, jobject obj, jint i) { 2637f9a15d554f69311a0db43347d6473a7c4c46e2eVinit Deshapnde char buf[EVENT_BUF_SIZE]; 2647f9a15d554f69311a0db43347d6473a7c4c46e2eVinit Deshapnde 2657f9a15d554f69311a0db43347d6473a7c4c46e2eVinit Deshapnde jlong value = getLongArrayField(env, obj, WifiIfaceHandleVarName, i); 2667f9a15d554f69311a0db43347d6473a7c4c46e2eVinit Deshapnde wifi_interface_handle handle = (wifi_interface_handle) value; 2677f9a15d554f69311a0db43347d6473a7c4c46e2eVinit Deshapnde int result = ::wifi_get_iface_name(handle, buf, sizeof(buf)); 2687f9a15d554f69311a0db43347d6473a7c4c46e2eVinit Deshapnde if (result < 0) { 2697f9a15d554f69311a0db43347d6473a7c4c46e2eVinit Deshapnde return NULL; 2707f9a15d554f69311a0db43347d6473a7c4c46e2eVinit Deshapnde } else { 2717f9a15d554f69311a0db43347d6473a7c4c46e2eVinit Deshapnde return env->NewStringUTF(buf); 2727f9a15d554f69311a0db43347d6473a7c4c46e2eVinit Deshapnde } 2737f9a15d554f69311a0db43347d6473a7c4c46e2eVinit Deshapnde} 2747f9a15d554f69311a0db43347d6473a7c4c46e2eVinit Deshapnde 2757f9a15d554f69311a0db43347d6473a7c4c46e2eVinit Deshapndestatic void onScanResults(wifi_request_id id, unsigned num_results, wifi_scan_result *results) { 2767f9a15d554f69311a0db43347d6473a7c4c46e2eVinit Deshapnde JNIEnv *env = NULL; 2777f9a15d554f69311a0db43347d6473a7c4c46e2eVinit Deshapnde mVM->AttachCurrentThread(&env, NULL); 2787f9a15d554f69311a0db43347d6473a7c4c46e2eVinit Deshapnde 2797f9a15d554f69311a0db43347d6473a7c4c46e2eVinit Deshapnde ALOGD("onScanResults called, vm = %p, obj = %p, env = %p", mVM, mObj, env); 2807f9a15d554f69311a0db43347d6473a7c4c46e2eVinit Deshapnde 2817f9a15d554f69311a0db43347d6473a7c4c46e2eVinit Deshapnde jclass clsScanResult = (env)->FindClass("com/android/server/wifi/WifiNative$ScanResult"); 2827f9a15d554f69311a0db43347d6473a7c4c46e2eVinit Deshapnde if (clsScanResult == NULL) { 2837f9a15d554f69311a0db43347d6473a7c4c46e2eVinit Deshapnde ALOGE("Error in accessing class"); 2847f9a15d554f69311a0db43347d6473a7c4c46e2eVinit Deshapnde return; 2857f9a15d554f69311a0db43347d6473a7c4c46e2eVinit Deshapnde } 2867f9a15d554f69311a0db43347d6473a7c4c46e2eVinit Deshapnde 2877f9a15d554f69311a0db43347d6473a7c4c46e2eVinit Deshapnde jobjectArray scanResults = env->NewObjectArray(num_results, clsScanResult, NULL); 2887f9a15d554f69311a0db43347d6473a7c4c46e2eVinit Deshapnde if (scanResults == NULL) { 2897f9a15d554f69311a0db43347d6473a7c4c46e2eVinit Deshapnde ALOGE("Error in allocating array"); 2907f9a15d554f69311a0db43347d6473a7c4c46e2eVinit Deshapnde return; 2917f9a15d554f69311a0db43347d6473a7c4c46e2eVinit Deshapnde } 2927f9a15d554f69311a0db43347d6473a7c4c46e2eVinit Deshapnde 2937f9a15d554f69311a0db43347d6473a7c4c46e2eVinit Deshapnde for (unsigned i = 0; i < num_results; i++) { 2947f9a15d554f69311a0db43347d6473a7c4c46e2eVinit Deshapnde 2957f9a15d554f69311a0db43347d6473a7c4c46e2eVinit Deshapnde jobject scanResult = createObject(env, "com/android/server/wifi/WifiNative$ScanResult"); 2967f9a15d554f69311a0db43347d6473a7c4c46e2eVinit Deshapnde if (scanResult == NULL) { 2977f9a15d554f69311a0db43347d6473a7c4c46e2eVinit Deshapnde ALOGE("Error in creating scan result"); 2987f9a15d554f69311a0db43347d6473a7c4c46e2eVinit Deshapnde return; 2997f9a15d554f69311a0db43347d6473a7c4c46e2eVinit Deshapnde } 3007f9a15d554f69311a0db43347d6473a7c4c46e2eVinit Deshapnde 3017f9a15d554f69311a0db43347d6473a7c4c46e2eVinit Deshapnde setStringField(env, scanResult, "SSID", results[i].ssid); 3027f9a15d554f69311a0db43347d6473a7c4c46e2eVinit Deshapnde 3037f9a15d554f69311a0db43347d6473a7c4c46e2eVinit Deshapnde char bssid[32]; 3047f9a15d554f69311a0db43347d6473a7c4c46e2eVinit Deshapnde sprintf(bssid, "%0x:%0x:%0x:%0x:%0x:%0x", results[i].bssid[0], results[i].bssid[1], 3057f9a15d554f69311a0db43347d6473a7c4c46e2eVinit Deshapnde results[i].bssid[2], results[i].bssid[3], results[i].bssid[4], results[i].bssid[5]); 3067f9a15d554f69311a0db43347d6473a7c4c46e2eVinit Deshapnde 3077f9a15d554f69311a0db43347d6473a7c4c46e2eVinit Deshapnde setStringField(env, scanResult, "BSSID", bssid); 3087f9a15d554f69311a0db43347d6473a7c4c46e2eVinit Deshapnde 3097f9a15d554f69311a0db43347d6473a7c4c46e2eVinit Deshapnde setIntField(env, scanResult, "level", results[i].rssi); 3107f9a15d554f69311a0db43347d6473a7c4c46e2eVinit Deshapnde setLongField(env, scanResult, "timestamp", results[i].ts); 3117f9a15d554f69311a0db43347d6473a7c4c46e2eVinit Deshapnde setIntField(env, scanResult, "frequency", results[i].channel); 3127f9a15d554f69311a0db43347d6473a7c4c46e2eVinit Deshapnde 3137f9a15d554f69311a0db43347d6473a7c4c46e2eVinit Deshapnde env->SetObjectArrayElement(scanResults, i, scanResult); 3147f9a15d554f69311a0db43347d6473a7c4c46e2eVinit Deshapnde } 3157f9a15d554f69311a0db43347d6473a7c4c46e2eVinit Deshapnde 3167f9a15d554f69311a0db43347d6473a7c4c46e2eVinit Deshapnde reportEvent(env, mObj, "onScanResults", 3177f9a15d554f69311a0db43347d6473a7c4c46e2eVinit Deshapnde "(I[Lcom/android/server/wifi/WifiNative$ScanResult;)V", id, scanResults); 3187f9a15d554f69311a0db43347d6473a7c4c46e2eVinit Deshapnde} 3197f9a15d554f69311a0db43347d6473a7c4c46e2eVinit Deshapnde 3207f9a15d554f69311a0db43347d6473a7c4c46e2eVinit Deshapndestatic jboolean android_net_wifi_startScan(JNIEnv *env, jobject obj, jint iface, jint id) { 3217f9a15d554f69311a0db43347d6473a7c4c46e2eVinit Deshapnde 3227f9a15d554f69311a0db43347d6473a7c4c46e2eVinit Deshapnde wifi_interface_handle handle = getIfaceHandle(env, obj, iface); 3237f9a15d554f69311a0db43347d6473a7c4c46e2eVinit Deshapnde ALOGD("starting scan on interface[%d] = %p", iface, handle); 3247f9a15d554f69311a0db43347d6473a7c4c46e2eVinit Deshapnde 3257f9a15d554f69311a0db43347d6473a7c4c46e2eVinit Deshapnde wifi_scan_cmd_params params; 3267f9a15d554f69311a0db43347d6473a7c4c46e2eVinit Deshapnde memset(¶ms, 0, sizeof(params)); 3277f9a15d554f69311a0db43347d6473a7c4c46e2eVinit Deshapnde 3287f9a15d554f69311a0db43347d6473a7c4c46e2eVinit Deshapnde wifi_scan_result_handler handler; 3297f9a15d554f69311a0db43347d6473a7c4c46e2eVinit Deshapnde memset(&handler, 0, sizeof(handler)); 3307f9a15d554f69311a0db43347d6473a7c4c46e2eVinit Deshapnde handler.on_scan_results = &onScanResults; 3317f9a15d554f69311a0db43347d6473a7c4c46e2eVinit Deshapnde 3327f9a15d554f69311a0db43347d6473a7c4c46e2eVinit Deshapnde return wifi_start_gscan(id, handle, params, handler) == WIFI_SUCCESS; 3337f9a15d554f69311a0db43347d6473a7c4c46e2eVinit Deshapnde} 3347f9a15d554f69311a0db43347d6473a7c4c46e2eVinit Deshapnde 3357f9a15d554f69311a0db43347d6473a7c4c46e2eVinit Deshapndestatic jboolean android_net_wifi_stopScan(JNIEnv *env, jobject obj, jint iface, jint id) { 3367f9a15d554f69311a0db43347d6473a7c4c46e2eVinit Deshapnde wifi_interface_handle handle = getIfaceHandle(env, obj, iface); 3377f9a15d554f69311a0db43347d6473a7c4c46e2eVinit Deshapnde ALOGD("stopping scan on interface[%d] = %p", iface, handle); 3387f9a15d554f69311a0db43347d6473a7c4c46e2eVinit Deshapnde 3397f9a15d554f69311a0db43347d6473a7c4c46e2eVinit Deshapnde return wifi_stop_gscan(id, handle); 3407f9a15d554f69311a0db43347d6473a7c4c46e2eVinit Deshapnde} 3417ef73dd1b6e43c72b3841723504cd86dc402a134Vinit Deshapnde 342155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande// ---------------------------------------------------------------------------- 343155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande 344155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande/* 345155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande * JNI registration. 346155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande */ 347155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpandestatic JNINativeMethod gWifiMethods[] = { 348155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande /* name, signature, funcPtr */ 349155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande 350155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande { "loadDriver", "()Z", (void *)android_net_wifi_loadDriver }, 351155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande { "isDriverLoaded", "()Z", (void *)android_net_wifi_isDriverLoaded }, 352155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande { "unloadDriver", "()Z", (void *)android_net_wifi_unloadDriver }, 353155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande { "startSupplicant", "(Z)Z", (void *)android_net_wifi_startSupplicant }, 354155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande { "killSupplicant", "(Z)Z", (void *)android_net_wifi_killSupplicant }, 355155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande { "connectToSupplicantNative", "()Z", (void *)android_net_wifi_connectToSupplicant }, 356155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande { "closeSupplicantConnectionNative", "()V", 357155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande (void *)android_net_wifi_closeSupplicantConnection }, 358155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande { "waitForEventNative", "()Ljava/lang/String;", (void*)android_net_wifi_waitForEvent }, 359155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande { "doBooleanCommandNative", "(Ljava/lang/String;)Z", (void*)android_net_wifi_doBooleanCommand }, 360155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande { "doIntCommandNative", "(Ljava/lang/String;)I", (void*)android_net_wifi_doIntCommand }, 361155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande { "doStringCommandNative", "(Ljava/lang/String;)Ljava/lang/String;", 362155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande (void*) android_net_wifi_doStringCommand }, 3637ef73dd1b6e43c72b3841723504cd86dc402a134Vinit Deshapnde { "startHalNative", "()Z", (void*) android_net_wifi_startHal }, 3647ef73dd1b6e43c72b3841723504cd86dc402a134Vinit Deshapnde { "stopHalNative", "()V", (void*) android_net_wifi_stopHal }, 3657ef73dd1b6e43c72b3841723504cd86dc402a134Vinit Deshapnde { "waitForHalEventNative", "()V", (void*) android_net_wifi_waitForHalEvents }, 3667f9a15d554f69311a0db43347d6473a7c4c46e2eVinit Deshapnde { "getInterfacesNative", "()I", (void*) android_net_wifi_getInterfaces}, 3677f9a15d554f69311a0db43347d6473a7c4c46e2eVinit Deshapnde { "getInterfaceNameNative", "(I)Ljava/lang/String;", (void*) android_net_wifi_getInterfaceName}, 3687f9a15d554f69311a0db43347d6473a7c4c46e2eVinit Deshapnde { "startScanNative", "(II)Z", (void*) android_net_wifi_startScan}, 3697f9a15d554f69311a0db43347d6473a7c4c46e2eVinit Deshapnde { "stopScanNative", "(II)Z", (void*) android_net_wifi_stopScan} 370155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande}; 371155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande 372155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpandeint register_android_net_wifi_WifiNative(JNIEnv* env) { 373155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande return AndroidRuntime::registerNativeMethods(env, 374155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande "com/android/server/wifi/WifiNative", gWifiMethods, NELEM(gWifiMethods)); 375155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande} 376155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande 377155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande 378155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande/* User to register native functions */ 379155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpandeextern "C" 380155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpandejint Java_com_android_server_wifi_WifiNative_registerNatives(JNIEnv* env, jclass clazz) { 381155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande return AndroidRuntime::registerNativeMethods(env, 382155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande "com/android/server/wifi/WifiNative", gWifiMethods, NELEM(gWifiMethods)); 383155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande} 384155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande 385155b9d09ef9b8ead3ca617afdd91e74070d3f0cbVinit Deshpande}; // namespace android 386