com_android_bluetooth_btservice_AdapterService.cpp revision ede67c26e7b2564ea35db6d9b3027a269c150e13 
1/*
2 * Copyright (C) 2012 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 "BluetoothServiceJni"
18#include "com_android_bluetooth.h"
19#include "hardware/bt_sock.h"
20#include "utils/Log.h"
21#include "utils/misc.h"
22#include "cutils/properties.h"
23#include "android_runtime/AndroidRuntime.h"
24
25#include <string.h>
26#include <pthread.h>
27
28#include <sys/stat.h>
29#include <fcntl.h>
30
31namespace android {
32
33#define ADDITIONAL_NREFS 50
34static jmethodID method_stateChangeCallback;
35static jmethodID method_adapterPropertyChangedCallback;
36static jmethodID method_devicePropertyChangedCallback;
37static jmethodID method_deviceFoundCallback;
38static jmethodID method_pinRequestCallback;
39static jmethodID method_sspRequestCallback;
40static jmethodID method_bondStateChangeCallback;
41static jmethodID method_aclStateChangeCallback;
42static jmethodID method_discoveryStateChangeCallback;
43
44static const bt_interface_t *sBluetoothInterface = NULL;
45static const btsock_interface_t *sBluetoothSocketInterface = NULL;
46static JNIEnv *callbackEnv = NULL;
47
48static jobject sJniCallbacksObj;
49static jfieldID sJniCallbacksField;
50
51
52const bt_interface_t* getBluetoothInterface() {
53    return sBluetoothInterface;
54}
55
56JNIEnv* getCallbackEnv() {
57   return callbackEnv;
58}
59
60void checkAndClearExceptionFromCallback(JNIEnv* env,
61                                               const char* methodName) {
62    if (env->ExceptionCheck()) {
63        ALOGE("An exception was thrown by callback '%s'.", methodName);
64        LOGE_EX(env);
65        env->ExceptionClear();
66    }
67}
68
69static bool checkCallbackThread() {
70    JNIEnv* env = AndroidRuntime::getJNIEnv();
71    if (callbackEnv != env || callbackEnv == NULL) {
72        ALOGE("Callback env check fail: env: %p, callback: %p", env, callbackEnv);
73        return false;
74    }
75    return true;
76}
77
78static void adapter_state_change_callback(bt_state_t status) {
79    if (!checkCallbackThread()) {
80       ALOGE("Callback: '%s' is not called on the correct thread", __FUNCTION__);
81       return;
82    }
83    ALOGV("%s: Status is: %d", __FUNCTION__, status);
84
85    callbackEnv->CallVoidMethod(sJniCallbacksObj, method_stateChangeCallback, (jint)status);
86
87    checkAndClearExceptionFromCallback(callbackEnv, __FUNCTION__);
88}
89
90static int get_properties(int num_properties, bt_property_t *properties, jintArray *types,
91                        jobjectArray *props) {
92    jbyteArray propVal;
93    for (int i = 0; i < num_properties; i++) {
94
95       /* The higher layers expect rssi as a short int value, while the value is sent as a byte
96        * to jni. Converting rssi value to the expected format.*/
97       if (properties[i].type == BT_PROPERTY_REMOTE_RSSI)
98       {
99           jbyte rssi = *((jbyte *) properties[i].val);
100           short rssiValue = rssi;
101           properties[i].len = sizeof(rssiValue);
102           properties[i].val = &rssiValue;
103       }
104
105       propVal = callbackEnv->NewByteArray(properties[i].len);
106       if (propVal == NULL) goto Fail;
107
108       callbackEnv->SetByteArrayRegion(propVal, 0, properties[i].len,
109                                            (jbyte*)properties[i].val);
110       callbackEnv->SetObjectArrayElement(*props, i, propVal);
111       // Delete reference to propVal
112       callbackEnv->DeleteLocalRef(propVal);
113       callbackEnv->SetIntArrayRegion(*types, i, 1, (jint *)&properties[i].type);
114    }
115    return 0;
116Fail:
117    if (propVal) callbackEnv->DeleteLocalRef(propVal);
118    ALOGE("Error while allocation of array in %s", __FUNCTION__);
119    return -1;
120}
121
122static void adapter_properties_callback(bt_status_t status, int num_properties,
123                                        bt_property_t *properties) {
124    jobjectArray props;
125    jintArray types;
126    jbyteArray val;
127    jclass mclass;
128
129    if (!checkCallbackThread()) {
130       ALOGE("Callback: '%s' is not called on the correct thread", __FUNCTION__);
131       return;
132    }
133
134    ALOGV("%s: Status is: %d, Properties: %d", __FUNCTION__, status, num_properties);
135
136    if (status != BT_STATUS_SUCCESS) {
137        ALOGE("%s: Status %d is incorrect", __FUNCTION__, status);
138        return;
139    }
140
141    val = (jbyteArray) callbackEnv->NewByteArray(num_properties);
142    if (val == NULL) {
143        ALOGE("%s: Error allocating byteArray", __FUNCTION__);
144        return;
145    }
146
147    mclass = callbackEnv->GetObjectClass(val);
148
149    /* (BT) Initialize the jobjectArray and jintArray here itself and send the
150     initialized array pointers alone to get_properties */
151
152    props = callbackEnv->NewObjectArray(num_properties, mclass,
153                                             NULL);
154    if (props == NULL) {
155        ALOGE("%s: Error allocating object Array for properties", __FUNCTION__);
156        return;
157    }
158
159    types = (jintArray)callbackEnv->NewIntArray(num_properties);
160
161    if (types == NULL) {
162        ALOGE("%s: Error allocating int Array for values", __FUNCTION__);
163        return;
164    }
165    // Delete the reference to val and mclass
166    callbackEnv->DeleteLocalRef(mclass);
167    callbackEnv->DeleteLocalRef(val);
168
169    if (get_properties(num_properties, properties, &types, &props) < 0) {
170        if (props) callbackEnv->DeleteLocalRef(props);
171        if (types) callbackEnv->DeleteLocalRef(types);
172        return;
173    }
174
175    callbackEnv->CallVoidMethod(sJniCallbacksObj, method_adapterPropertyChangedCallback, types,
176                                props);
177    checkAndClearExceptionFromCallback(callbackEnv, __FUNCTION__);
178    callbackEnv->DeleteLocalRef(props);
179    callbackEnv->DeleteLocalRef(types);
180    return;
181
182}
183
184static void remote_device_properties_callback(bt_status_t status, bt_bdaddr_t *bd_addr,
185                                              int num_properties, bt_property_t *properties) {
186    if (!checkCallbackThread()) {
187       ALOGE("Callback: '%s' is not called on the correct thread", __FUNCTION__);
188       return;
189    }
190
191    ALOGV("%s: Status is: %d, Properties: %d", __FUNCTION__, status, num_properties);
192
193    if (status != BT_STATUS_SUCCESS) {
194        ALOGE("%s: Status %d is incorrect", __FUNCTION__, status);
195        return;
196    }
197
198    callbackEnv->PushLocalFrame(ADDITIONAL_NREFS);
199
200    jobjectArray props;
201    jbyteArray addr;
202    jintArray types;
203    jbyteArray val;
204    jclass mclass;
205
206    val = (jbyteArray) callbackEnv->NewByteArray(num_properties);
207    if (val == NULL) {
208        ALOGE("%s: Error allocating byteArray", __FUNCTION__);
209        return;
210    }
211
212    mclass = callbackEnv->GetObjectClass(val);
213
214    /* Initialize the jobjectArray and jintArray here itself and send the
215     initialized array pointers alone to get_properties */
216
217    props = callbackEnv->NewObjectArray(num_properties, mclass,
218                                             NULL);
219    if (props == NULL) {
220        ALOGE("%s: Error allocating object Array for properties", __FUNCTION__);
221        return;
222    }
223
224    types = (jintArray)callbackEnv->NewIntArray(num_properties);
225
226    if (types == NULL) {
227        ALOGE("%s: Error allocating int Array for values", __FUNCTION__);
228        return;
229    }
230    // Delete the reference to val and mclass
231    callbackEnv->DeleteLocalRef(mclass);
232    callbackEnv->DeleteLocalRef(val);
233
234    addr = callbackEnv->NewByteArray(sizeof(bt_bdaddr_t));
235    if (addr == NULL) goto Fail;
236    if (addr) callbackEnv->SetByteArrayRegion(addr, 0, sizeof(bt_bdaddr_t), (jbyte*)bd_addr);
237
238    if (get_properties(num_properties, properties, &types, &props) < 0) {
239        if (props) callbackEnv->DeleteLocalRef(props);
240        if (types) callbackEnv->DeleteLocalRef(types);
241        callbackEnv->PopLocalFrame(NULL);
242        return;
243    }
244
245    callbackEnv->CallVoidMethod(sJniCallbacksObj, method_devicePropertyChangedCallback, addr,
246                                types, props);
247    checkAndClearExceptionFromCallback(callbackEnv, __FUNCTION__);
248    callbackEnv->DeleteLocalRef(props);
249    callbackEnv->DeleteLocalRef(types);
250    callbackEnv->DeleteLocalRef(addr);
251    callbackEnv->PopLocalFrame(NULL);
252    return;
253
254Fail:
255    ALOGE("Error while allocation byte array in %s", __FUNCTION__);
256}
257
258
259static void device_found_callback(int num_properties, bt_property_t *properties) {
260    jbyteArray addr = NULL;
261    int addr_index;
262
263    for (int i = 0; i < num_properties; i++) {
264        if (properties[i].type == BT_PROPERTY_BDADDR) {
265            addr = callbackEnv->NewByteArray(properties[i].len);
266            if (addr) {
267                callbackEnv->SetByteArrayRegion(addr, 0, properties[i].len,
268                                                (jbyte*)properties[i].val);
269                addr_index = i;
270            } else {
271                ALOGE("Address is NULL (unable to allocate) in %s", __FUNCTION__);
272                return;
273            }
274        }
275    }
276    if (addr == NULL) {
277        ALOGE("Address is NULL in %s", __FUNCTION__);
278        return;
279    }
280
281    ALOGV("%s: Properties: %d, Address: %s", __FUNCTION__, num_properties,
282        (const char *)properties[addr_index].val);
283
284    remote_device_properties_callback(BT_STATUS_SUCCESS, (bt_bdaddr_t *)properties[addr_index].val,
285                                      num_properties, properties);
286
287    callbackEnv->CallVoidMethod(sJniCallbacksObj, method_deviceFoundCallback, addr);
288    checkAndClearExceptionFromCallback(callbackEnv, __FUNCTION__);
289    callbackEnv->DeleteLocalRef(addr);
290}
291
292static void bond_state_changed_callback(bt_status_t status, bt_bdaddr_t *bd_addr,
293                                        bt_bond_state_t state) {
294    jbyteArray addr;
295    int i;
296    if (!checkCallbackThread()) {
297       ALOGE("Callback: '%s' is not called on the correct thread", __FUNCTION__);
298       return;
299    }
300    if (!bd_addr) {
301        ALOGE("Address is null in %s", __FUNCTION__);
302        return;
303    }
304    addr = callbackEnv->NewByteArray(sizeof(bt_bdaddr_t));
305    if (addr == NULL) {
306       ALOGE("Address allocation failed in %s", __FUNCTION__);
307       return;
308    }
309    callbackEnv->SetByteArrayRegion(addr, 0, sizeof(bt_bdaddr_t), (jbyte *)bd_addr);
310
311    callbackEnv->CallVoidMethod(sJniCallbacksObj, method_bondStateChangeCallback, (jint) status,
312                                addr, (jint)state);
313    checkAndClearExceptionFromCallback(callbackEnv, __FUNCTION__);
314    callbackEnv->DeleteLocalRef(addr);
315}
316
317static void acl_state_changed_callback(bt_status_t status, bt_bdaddr_t *bd_addr,
318                                       bt_acl_state_t state)
319{
320    jbyteArray addr;
321    int i;
322    if (!checkCallbackThread()) {
323       ALOGE("Callback: '%s' is not called on the correct thread", __FUNCTION__);
324       return;
325    }
326    if (!bd_addr) {
327        ALOGE("Address is null in %s", __FUNCTION__);
328        return;
329    }
330    addr = callbackEnv->NewByteArray(sizeof(bt_bdaddr_t));
331    if (addr == NULL) {
332       ALOGE("Address allocation failed in %s", __FUNCTION__);
333       return;
334    }
335    callbackEnv->SetByteArrayRegion(addr, 0, sizeof(bt_bdaddr_t), (jbyte *)bd_addr);
336
337    callbackEnv->CallVoidMethod(sJniCallbacksObj, method_aclStateChangeCallback, (jint) status,
338                                addr, (jint)state);
339    checkAndClearExceptionFromCallback(callbackEnv, __FUNCTION__);
340    callbackEnv->DeleteLocalRef(addr);
341}
342
343static void discovery_state_changed_callback(bt_discovery_state_t state) {
344    jbyteArray addr;
345    if (!checkCallbackThread()) {
346       ALOGE("Callback: '%s' is not called on the correct thread", __FUNCTION__);
347       return;
348    }
349
350    ALOGV("%s: DiscoveryState:%d ", __FUNCTION__, state);
351
352    callbackEnv->CallVoidMethod(sJniCallbacksObj, method_discoveryStateChangeCallback,
353                                (jint)state);
354
355    checkAndClearExceptionFromCallback(callbackEnv, __FUNCTION__);
356}
357
358static void pin_request_callback(bt_bdaddr_t *bd_addr, bt_bdname_t *bdname, uint32_t cod) {
359    jbyteArray addr, devname;
360    if (!checkCallbackThread()) {
361       ALOGE("Callback: '%s' is not called on the correct thread", __FUNCTION__);
362       return;
363    }
364    if (!bd_addr) {
365        ALOGE("Address is null in %s", __FUNCTION__);
366        return;
367    }
368
369    addr = callbackEnv->NewByteArray(sizeof(bt_bdaddr_t));
370    if (addr == NULL) goto Fail;
371    callbackEnv->SetByteArrayRegion(addr, 0, sizeof(bt_bdaddr_t), (jbyte*)bd_addr);
372
373    devname = callbackEnv->NewByteArray(sizeof(bt_bdname_t));
374    if (devname == NULL) goto Fail;
375
376    callbackEnv->SetByteArrayRegion(devname, 0, sizeof(bt_bdname_t), (jbyte*)bdname);
377
378    callbackEnv->CallVoidMethod(sJniCallbacksObj, method_pinRequestCallback, addr, devname, cod);
379
380    checkAndClearExceptionFromCallback(callbackEnv, __FUNCTION__);
381    callbackEnv->DeleteLocalRef(addr);
382    callbackEnv->DeleteLocalRef(devname);
383    return;
384
385Fail:
386    if (addr) callbackEnv->DeleteLocalRef(addr);
387    if (devname) callbackEnv->DeleteLocalRef(devname);
388    ALOGE("Error while allocating in: %s", __FUNCTION__);
389}
390
391static void ssp_request_callback(bt_bdaddr_t *bd_addr, bt_bdname_t *bdname, uint32_t cod,
392                                 bt_ssp_variant_t pairing_variant, uint32_t pass_key) {
393    jbyteArray addr, devname;
394    if (!checkCallbackThread()) {
395       ALOGE("Callback: '%s' is not called on the correct thread", __FUNCTION__);
396       return;
397    }
398    if (!bd_addr) {
399        ALOGE("Address is null in %s", __FUNCTION__);
400        return;
401    }
402
403    addr = callbackEnv->NewByteArray(sizeof(bt_bdaddr_t));
404    if (addr == NULL) goto Fail;
405    callbackEnv->SetByteArrayRegion(addr, 0, sizeof(bt_bdaddr_t), (jbyte *)bd_addr);
406
407    devname = callbackEnv->NewByteArray(sizeof(bt_bdname_t));
408    if (devname == NULL) goto Fail;
409    callbackEnv->SetByteArrayRegion(devname, 0, sizeof(bt_bdname_t), (jbyte*)bdname);
410
411    callbackEnv->CallVoidMethod(sJniCallbacksObj, method_sspRequestCallback, addr, devname, cod,
412                                (jint) pairing_variant, pass_key);
413
414    checkAndClearExceptionFromCallback(callbackEnv, __FUNCTION__);
415    callbackEnv->DeleteLocalRef(addr);
416    callbackEnv->DeleteLocalRef(devname);
417    return;
418
419Fail:
420    if (addr) callbackEnv->DeleteLocalRef(addr);
421    if (devname) callbackEnv->DeleteLocalRef(devname);
422
423    ALOGE("Error while allocating in: %s", __FUNCTION__);
424}
425
426static void callback_thread_event(bt_cb_thread_evt event) {
427    JavaVM* vm = AndroidRuntime::getJavaVM();
428    if (event  == ASSOCIATE_JVM) {
429        JavaVMAttachArgs args;
430        char name[] = "BT Service Callback Thread";
431        //TODO(BT)
432        //args.version = nat->envVer;
433        args.name = name;
434        args.group = NULL;
435        vm->AttachCurrentThread(&callbackEnv, &args);
436        ALOGV("Callback thread attached: %p", callbackEnv);
437    } else if (event == DISASSOCIATE_JVM) {
438        if (!checkCallbackThread()) {
439            ALOGE("Callback: '%s' is not called on the correct thread", __FUNCTION__);
440            return;
441        }
442        vm->DetachCurrentThread();
443    }
444}
445
446bt_callbacks_t sBluetoothCallbacks = {
447    sizeof(sBluetoothCallbacks),
448    adapter_state_change_callback,
449    adapter_properties_callback,
450    remote_device_properties_callback,
451    device_found_callback,
452    discovery_state_changed_callback,
453    pin_request_callback,
454    ssp_request_callback,
455    bond_state_changed_callback,
456    acl_state_changed_callback,
457    callback_thread_event,
458};
459
460static void classInitNative(JNIEnv* env, jclass clazz) {
461    int err;
462    hw_module_t* module;
463
464    jclass jniCallbackClass =
465        env->FindClass("com/android/bluetooth/btservice/JniCallbacks");
466    sJniCallbacksField = env->GetFieldID(clazz, "mJniCallbacks",
467        "Lcom/android/bluetooth/btservice/JniCallbacks;");
468
469    method_stateChangeCallback = env->GetMethodID(jniCallbackClass, "stateChangeCallback", "(I)V");
470
471    method_adapterPropertyChangedCallback = env->GetMethodID(jniCallbackClass,
472                                                             "adapterPropertyChangedCallback",
473                                                             "([I[[B)V");
474    method_discoveryStateChangeCallback = env->GetMethodID(jniCallbackClass,
475                                                           "discoveryStateChangeCallback", "(I)V");
476
477    method_devicePropertyChangedCallback = env->GetMethodID(jniCallbackClass,
478                                                            "devicePropertyChangedCallback",
479                                                            "([B[I[[B)V");
480    method_deviceFoundCallback = env->GetMethodID(jniCallbackClass, "deviceFoundCallback", "([B)V");
481    method_pinRequestCallback = env->GetMethodID(jniCallbackClass, "pinRequestCallback",
482                                                 "([B[BI)V");
483    method_sspRequestCallback = env->GetMethodID(jniCallbackClass, "sspRequestCallback",
484                                                 "([B[BIII)V");
485
486    method_bondStateChangeCallback = env->GetMethodID(jniCallbackClass,
487                                                     "bondStateChangeCallback", "(I[BI)V");
488
489    method_aclStateChangeCallback = env->GetMethodID(jniCallbackClass,
490                                                    "aclStateChangeCallback", "(I[BI)V");
491    char value[PROPERTY_VALUE_MAX];
492    property_get("bluetooth.mock_stack", value, "");
493
494    const char *id = (strcmp(value, "1")? BT_STACK_MODULE_ID : BT_STACK_TEST_MODULE_ID);
495
496    err = hw_get_module(id, (hw_module_t const**)&module);
497
498    if (err == 0) {
499        hw_device_t* abstraction;
500        err = module->methods->open(module, id, &abstraction);
501        if (err == 0) {
502            bluetooth_module_t* btStack = (bluetooth_module_t *)abstraction;
503            sBluetoothInterface = btStack->get_bluetooth_interface();
504        } else {
505           ALOGE("Error while opening Bluetooth library");
506        }
507    } else {
508        ALOGE("No Bluetooth Library found");
509    }
510}
511
512static bool initNative(JNIEnv* env, jobject obj) {
513    ALOGV("%s:",__FUNCTION__);
514
515    sJniCallbacksObj = env->NewGlobalRef(env->GetObjectField(obj, sJniCallbacksField));
516
517    if (sBluetoothInterface) {
518        int ret = sBluetoothInterface->init(&sBluetoothCallbacks);
519        if (ret != BT_STATUS_SUCCESS) {
520            ALOGE("Error while setting the callbacks \n");
521            sBluetoothInterface = NULL;
522            return JNI_FALSE;
523        }
524        if ( (sBluetoothSocketInterface = (btsock_interface_t *)
525                  sBluetoothInterface->get_profile_interface(BT_PROFILE_SOCKETS_ID)) == NULL) {
526                ALOGE("Error getting socket interface");
527        }
528        return JNI_TRUE;
529    }
530    return JNI_FALSE;
531}
532
533static bool cleanupNative(JNIEnv *env, jobject obj) {
534    ALOGV("%s:",__FUNCTION__);
535
536    jboolean result = JNI_FALSE;
537    if (!sBluetoothInterface) return result;
538
539    sBluetoothInterface->cleanup();
540    ALOGI("%s: return from cleanup",__FUNCTION__);
541
542    env->DeleteGlobalRef(sJniCallbacksObj);
543    return JNI_TRUE;
544}
545
546static jboolean enableNative(JNIEnv* env, jobject obj) {
547    ALOGV("%s:",__FUNCTION__);
548
549    jboolean result = JNI_FALSE;
550    if (!sBluetoothInterface) return result;
551
552    int ret = sBluetoothInterface->enable();
553    result = (ret == BT_STATUS_SUCCESS) ? JNI_TRUE : JNI_FALSE;
554    return result;
555}
556
557static jboolean disableNative(JNIEnv* env, jobject obj) {
558    ALOGV("%s:",__FUNCTION__);
559
560    jboolean result = JNI_FALSE;
561    if (!sBluetoothInterface) return result;
562
563    int ret = sBluetoothInterface->disable();
564    result = (ret == BT_STATUS_SUCCESS) ? JNI_TRUE : JNI_FALSE;
565    return result;
566}
567
568static jboolean startDiscoveryNative(JNIEnv* env, jobject obj) {
569    ALOGV("%s:",__FUNCTION__);
570
571    jboolean result = JNI_FALSE;
572    if (!sBluetoothInterface) return result;
573
574    int ret = sBluetoothInterface->start_discovery();
575    result = (ret == BT_STATUS_SUCCESS) ? JNI_TRUE : JNI_FALSE;
576    return result;
577}
578
579static jboolean cancelDiscoveryNative(JNIEnv* env, jobject obj) {
580    ALOGV("%s:",__FUNCTION__);
581
582    jboolean result = JNI_FALSE;
583    if (!sBluetoothInterface) return result;
584
585    int ret = sBluetoothInterface->cancel_discovery();
586    result = (ret == BT_STATUS_SUCCESS) ? JNI_TRUE : JNI_FALSE;
587    return result;
588}
589
590static jboolean createBondNative(JNIEnv* env, jobject obj, jbyteArray address) {
591    ALOGV("%s:",__FUNCTION__);
592
593    jbyte *addr;
594    jboolean result = JNI_FALSE;
595
596    if (!sBluetoothInterface) return result;
597
598    addr = env->GetByteArrayElements(address, NULL);
599    if (addr == NULL) {
600        jniThrowIOException(env, EINVAL);
601        return result;
602    }
603
604    int ret = sBluetoothInterface->create_bond((bt_bdaddr_t *)addr);
605    env->ReleaseByteArrayElements(address, addr, NULL);
606    result = (ret == BT_STATUS_SUCCESS) ? JNI_TRUE : JNI_FALSE;
607
608    return result;
609}
610
611static jboolean removeBondNative(JNIEnv* env, jobject obj, jbyteArray address) {
612    ALOGV("%s:",__FUNCTION__);
613
614    jbyte *addr;
615    jboolean result;
616    if (!sBluetoothInterface) return JNI_FALSE;
617
618    addr = env->GetByteArrayElements(address, NULL);
619    if (addr == NULL) {
620        jniThrowIOException(env, EINVAL);
621        return JNI_FALSE;
622    }
623
624    int ret = sBluetoothInterface->remove_bond((bt_bdaddr_t *)addr);
625    env->ReleaseByteArrayElements(address, addr, NULL);
626    result = (ret == BT_STATUS_SUCCESS) ? JNI_TRUE : JNI_FALSE;
627
628    return result;
629}
630
631static jboolean cancelBondNative(JNIEnv* env, jobject obj, jbyteArray address) {
632    ALOGV("%s:",__FUNCTION__);
633
634    jbyte *addr;
635    jboolean result;
636    if (!sBluetoothInterface) return JNI_FALSE;
637
638    addr = env->GetByteArrayElements(address, NULL);
639    if (addr == NULL) {
640        jniThrowIOException(env, EINVAL);
641        return JNI_FALSE;
642    }
643
644    int ret = sBluetoothInterface->cancel_bond((bt_bdaddr_t *)addr);
645    env->ReleaseByteArrayElements(address, addr, NULL);
646    result = (ret == BT_STATUS_SUCCESS) ? JNI_TRUE : JNI_FALSE;
647
648    return result;
649}
650
651static jboolean pinReplyNative(JNIEnv *env, jobject obj, jbyteArray address, jboolean accept,
652                               jint len, jbyteArray pinArray) {
653    ALOGV("%s:",__FUNCTION__);
654
655    jbyte *addr, *pinPtr = NULL;
656    jboolean result = JNI_FALSE;
657    if (!sBluetoothInterface) return result;
658
659    addr = env->GetByteArrayElements(address, NULL);
660    if (addr == NULL) {
661        jniThrowIOException(env, EINVAL);
662        return result;
663    }
664
665    if (accept) {
666        pinPtr = env->GetByteArrayElements(pinArray, NULL);
667        if (pinPtr == NULL) {
668           jniThrowIOException(env, EINVAL);
669           env->ReleaseByteArrayElements(address, addr, NULL);
670           return result;
671        }
672    }
673
674    int ret = sBluetoothInterface->pin_reply((bt_bdaddr_t*)addr, accept, len,
675                                              (bt_pin_code_t *) pinPtr);
676    env->ReleaseByteArrayElements(address, addr, NULL);
677    env->ReleaseByteArrayElements(pinArray, pinPtr, NULL);
678    result = (ret == BT_STATUS_SUCCESS) ? JNI_TRUE : JNI_FALSE;
679
680    return result;
681}
682
683static jboolean sspReplyNative(JNIEnv *env, jobject obj, jbyteArray address,
684                               jint type, jboolean accept, jint passkey) {
685    ALOGV("%s:",__FUNCTION__);
686
687    jbyte *addr;
688    jboolean result = JNI_FALSE;
689    if (!sBluetoothInterface) return result;
690
691    addr = env->GetByteArrayElements(address, NULL);
692    if (addr == NULL) {
693        jniThrowIOException(env, EINVAL);
694        return result;
695    }
696
697    int ret = sBluetoothInterface->ssp_reply((bt_bdaddr_t *)addr,
698         (bt_ssp_variant_t) type, accept, passkey);
699    env->ReleaseByteArrayElements(address, addr, NULL);
700    result = (ret == BT_STATUS_SUCCESS) ? JNI_TRUE : JNI_FALSE;
701
702    return result;
703}
704
705static jboolean setAdapterPropertyNative(JNIEnv *env, jobject obj, jint type, jbyteArray value) {
706    ALOGV("%s:",__FUNCTION__);
707
708    jbyte *val;
709    jboolean result = JNI_FALSE;
710    if (!sBluetoothInterface) return result;
711
712    val = env->GetByteArrayElements(value, NULL);
713    bt_property_t prop;
714    prop.type = (bt_property_type_t) type;
715    prop.len = env->GetArrayLength(value);
716    prop.val = val;
717
718    int ret = sBluetoothInterface->set_adapter_property(&prop);
719    env->ReleaseByteArrayElements(value, val, NULL);
720    result = (ret == BT_STATUS_SUCCESS) ? JNI_TRUE : JNI_FALSE;
721
722    return result;
723}
724
725static jboolean getAdapterPropertiesNative(JNIEnv *env, jobject obj) {
726    ALOGV("%s:",__FUNCTION__);
727
728    jboolean result = JNI_FALSE;
729    if (!sBluetoothInterface) return result;
730
731    int ret = sBluetoothInterface->get_adapter_properties();
732    result = (ret == BT_STATUS_SUCCESS) ? JNI_TRUE : JNI_FALSE;
733
734    return result;
735}
736
737static jboolean getAdapterPropertyNative(JNIEnv *env, jobject obj, jint type) {
738    ALOGV("%s:",__FUNCTION__);
739
740    jboolean result = JNI_FALSE;
741    if (!sBluetoothInterface) return result;
742
743    int ret = sBluetoothInterface->get_adapter_property((bt_property_type_t) type);
744    result = (ret == BT_STATUS_SUCCESS) ? JNI_TRUE : JNI_FALSE;
745
746    return result;
747}
748
749static jboolean getDevicePropertyNative(JNIEnv *env, jobject obj, jbyteArray address, jint type) {
750    ALOGV("%s:",__FUNCTION__);
751
752    jbyte *addr = NULL;
753    jboolean result = JNI_FALSE;
754    if (!sBluetoothInterface) return result;
755
756    addr = env->GetByteArrayElements(address, NULL);
757    if (addr == NULL) {
758        jniThrowIOException(env, EINVAL);
759        return result;
760    }
761
762    int ret = sBluetoothInterface->get_remote_device_property((bt_bdaddr_t *)addr,
763                                                              (bt_property_type_t) type);
764    env->ReleaseByteArrayElements(address, addr, NULL);
765    result = (ret == BT_STATUS_SUCCESS) ? JNI_TRUE : JNI_FALSE;
766
767    return result;
768}
769
770static jboolean setDevicePropertyNative(JNIEnv *env, jobject obj, jbyteArray address,
771                                        jint type, jbyteArray value) {
772    ALOGV("%s:",__FUNCTION__);
773
774    jbyte *val, *addr;
775    jboolean result = JNI_FALSE;
776    if (!sBluetoothInterface) return result;
777
778    val = env->GetByteArrayElements(value, NULL);
779    if (val == NULL) {
780        jniThrowIOException(env, EINVAL);
781        return result;
782    }
783
784    addr = env->GetByteArrayElements(address, NULL);
785    if (addr == NULL) {
786        env->ReleaseByteArrayElements(value, val, NULL);
787        jniThrowIOException(env, EINVAL);
788        return result;
789    }
790
791
792    bt_property_t prop;
793    prop.type = (bt_property_type_t) type;
794    prop.len = env->GetArrayLength(value);
795    prop.val = val;
796
797    int ret = sBluetoothInterface->set_remote_device_property((bt_bdaddr_t *)addr, &prop);
798    env->ReleaseByteArrayElements(value, val, NULL);
799    env->ReleaseByteArrayElements(address, addr, NULL);
800
801    result = (ret == BT_STATUS_SUCCESS) ? JNI_TRUE : JNI_FALSE;
802
803    return result;
804}
805
806static jboolean getRemoteServicesNative(JNIEnv *env, jobject obj, jbyteArray address) {
807    ALOGV("%s:",__FUNCTION__);
808
809    jbyte *addr = NULL;
810    jboolean result = JNI_FALSE;
811    if (!sBluetoothInterface) return result;
812
813    addr = env->GetByteArrayElements(address, NULL);
814    if (addr == NULL) {
815        jniThrowIOException(env, EINVAL);
816        return result;
817    }
818
819    int ret = sBluetoothInterface->get_remote_services((bt_bdaddr_t *)addr);
820    env->ReleaseByteArrayElements(address, addr, NULL);
821    result = (ret == BT_STATUS_SUCCESS) ? JNI_TRUE : JNI_FALSE;
822    return result;
823}
824
825static int connectSocketNative(JNIEnv *env, jobject object, jbyteArray address, jint type,
826                                   jbyteArray uuidObj, jint channel, jint flag) {
827    jbyte *addr = NULL, *uuid = NULL;
828    int socket_fd;
829    bt_status_t status;
830
831    if (!sBluetoothSocketInterface) return NULL;
832
833    addr = env->GetByteArrayElements(address, NULL);
834    if (!addr) {
835        ALOGE("failed to get Bluetooth device address");
836        goto Fail;
837    }
838
839    uuid = env->GetByteArrayElements(uuidObj, NULL);
840    if (!uuid) {
841        ALOGE("failed to get uuid");
842        goto Fail;
843    }
844
845    if ( (status = sBluetoothSocketInterface->connect((bt_bdaddr_t *) addr, (btsock_type_t) type,
846                       (const uint8_t*) uuid, channel, &socket_fd, flag)) != BT_STATUS_SUCCESS) {
847        ALOGE("Socket connection failed: %d", status);
848        goto Fail;
849    }
850
851
852    if (socket_fd < 0) {
853        ALOGE("Fail to creat file descriptor on socket fd");
854        goto Fail;
855    }
856    env->ReleaseByteArrayElements(address, addr, 0);
857    env->ReleaseByteArrayElements(uuidObj, uuid, 0);
858    return socket_fd;
859
860Fail:
861    if (addr) env->ReleaseByteArrayElements(address, addr, 0);
862    if (uuid) env->ReleaseByteArrayElements(uuidObj, uuid, 0);
863
864    return -1;
865}
866
867static int createSocketChannelNative(JNIEnv *env, jobject object, jint type,
868                                         jstring name_str, jbyteArray uuidObj, jint channel, jint flag) {
869    const char *service_name;
870    jbyte *uuid = NULL;
871    int socket_fd;
872    bt_status_t status;
873
874    if (!sBluetoothSocketInterface) return NULL;
875
876    service_name = env->GetStringUTFChars(name_str, NULL);
877
878    uuid = env->GetByteArrayElements(uuidObj, NULL);
879    if (!uuid) {
880        ALOGE("failed to get uuid");
881        goto Fail;
882    }
883    ALOGE("SOCK FLAG = %x ***********************",flag);
884    if ( (status = sBluetoothSocketInterface->listen((btsock_type_t) type, service_name,
885                       (const uint8_t*) uuid, channel, &socket_fd, flag)) != BT_STATUS_SUCCESS) {
886        ALOGE("Socket listen failed: %d", status);
887        goto Fail;
888    }
889
890    if (socket_fd < 0) {
891        ALOGE("Fail to creat file descriptor on socket fd");
892        goto Fail;
893    }
894    if (service_name) env->ReleaseStringUTFChars(name_str, service_name);
895    if (uuid) env->ReleaseByteArrayElements(uuidObj, uuid, 0);
896    return socket_fd;
897
898Fail:
899    if (service_name) env->ReleaseStringUTFChars(name_str, service_name);
900    if (uuid) env->ReleaseByteArrayElements(uuidObj, uuid, 0);
901
902    return -1;
903}
904
905static JNINativeMethod sMethods[] = {
906     /* name, signature, funcPtr */
907    {"classInitNative", "()V", (void *) classInitNative},
908    {"initNative", "()Z", (void *) initNative},
909    {"cleanupNative", "()V", (void*) cleanupNative},
910    {"enableNative", "()Z",  (void*) enableNative},
911    {"disableNative", "()Z",  (void*) disableNative},
912    {"setAdapterPropertyNative", "(I[B)Z", (void*) setAdapterPropertyNative},
913    {"getAdapterPropertiesNative", "()Z", (void*) getAdapterPropertiesNative},
914    {"getAdapterPropertyNative", "(I)Z", (void*) getAdapterPropertyNative},
915    {"getDevicePropertyNative", "([BI)Z", (void*) getDevicePropertyNative},
916    {"setDevicePropertyNative", "([BI[B)Z", (void*) setDevicePropertyNative},
917    {"startDiscoveryNative", "()Z", (void*) startDiscoveryNative},
918    {"cancelDiscoveryNative", "()Z", (void*) cancelDiscoveryNative},
919    {"createBondNative", "([B)Z", (void*) createBondNative},
920    {"removeBondNative", "([B)Z", (void*) removeBondNative},
921    {"cancelBondNative", "([B)Z", (void*) cancelBondNative},
922    {"pinReplyNative", "([BZI[B)Z", (void*) pinReplyNative},
923    {"sspReplyNative", "([BIZI)Z", (void*) sspReplyNative},
924    {"getRemoteServicesNative", "([B)Z", (void*) getRemoteServicesNative},
925    {"connectSocketNative", "([BI[BII)I", (void*) connectSocketNative},
926    {"createSocketChannelNative", "(ILjava/lang/String;[BII)I",
927     (void*) createSocketChannelNative},
928};
929
930int register_com_android_bluetooth_btservice_AdapterService(JNIEnv* env)
931{
932    return jniRegisterNativeMethods(env, "com/android/bluetooth/btservice/AdapterService",
933                                    sMethods, NELEM(sMethods));
934}
935
936} /* namespace android */
937
938
939/*
940 * JNI Initialization
941 */
942jint JNI_OnLoad(JavaVM *jvm, void *reserved)
943{
944   JNIEnv *e;
945   int status;
946
947   ALOGV("Bluetooth Adapter Service : loading JNI\n");
948
949   // Check JNI version
950   if(jvm->GetEnv((void **)&e, JNI_VERSION_1_6)) {
951       ALOGE("JNI version mismatch error");
952      return JNI_ERR;
953   }
954
955   if ((status = android::register_com_android_bluetooth_btservice_AdapterService(e)) < 0) {
956       ALOGE("jni adapter service registration failure, status: %d", status);
957      return JNI_ERR;
958   }
959
960   if ((status = android::register_com_android_bluetooth_hfp(e)) < 0) {
961       ALOGE("jni hfp registration failure, status: %d", status);
962      return JNI_ERR;
963   }
964
965   if ((status = android::register_com_android_bluetooth_a2dp(e)) < 0) {
966       ALOGE("jni a2dp registration failure: %d", status);
967      return JNI_ERR;
968   }
969
970   if ((status = android::register_com_android_bluetooth_hid(e)) < 0) {
971       ALOGE("jni hid registration failure: %d", status);
972       return JNI_ERR;
973   }
974
975   if ((status = android::register_com_android_bluetooth_hdp(e)) < 0) {
976       ALOGE("jni hdp registration failure: %d", status);
977      return JNI_ERR;
978   }
979
980   if ((status = android::register_com_android_bluetooth_pan(e)) < 0) {
981       ALOGE("jni pan registration failure: %d", status);
982      return JNI_ERR;
983   }
984
985   return JNI_VERSION_1_6;
986}
987