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/*
* Author: Sven Gothel <sgothel@jausoft.com>
* Copyright (c) 2020 Gothel Software e.K.
* Copyright (c) 2020 ZAFENA AB
*
* Permission is hereby granted, free of charge, to any person obtaining
* a copy of this software and associated documentation files (the
* "Software"), to deal in the Software without restriction, including
* without limitation the rights to use, copy, modify, merge, publish,
* distribute, sublicense, and/or sell copies of the Software, and to
* permit persons to whom the Software is furnished to do so, subject to
* the following conditions:
*
* The above copyright notice and this permission notice shall be
* included in all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
* NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
* LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
* OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
* WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
*/
#include "direct_bt_tinyb_DBTGattCharacteristic.h"
// #define VERBOSE_ON 1
#include <dbt_debug.hpp>
#include "JNIMem.hpp"
#include "helper_base.hpp"
#include "helper_dbt.hpp"
#include "direct_bt/DBTDevice.hpp"
#include "direct_bt/DBTAdapter.hpp"
using namespace direct_bt;
jstring Java_direct_1bt_tinyb_DBTGattCharacteristic_toStringImpl(JNIEnv *env, jobject obj) {
try {
GATTCharacteristic *nativePtr = getInstance<GATTCharacteristic>(env, obj);
JavaGlobalObj::check(nativePtr->getJavaObject(), E_FILE_LINE);
return from_string_to_jstring(env, nativePtr->toString());
} catch(...) {
rethrow_and_raise_java_exception(env);
}
return nullptr;
}
void Java_direct_1bt_tinyb_DBTGattCharacteristic_deleteImpl(JNIEnv *env, jobject obj, jlong nativeInstance) {
(void)obj;
try {
GATTCharacteristic *characteristic = castInstance<GATTCharacteristic>(nativeInstance);
(void)characteristic;
// No delete: Service instance owned by GATTService -> DBTDevice
} catch(...) {
rethrow_and_raise_java_exception(env);
}
}
static const std::string _descriptorClazzCtorArgs("(JLdirect_bt/tinyb/DBTGattCharacteristic;Ljava/lang/String;S[B)V");
jobject Java_direct_1bt_tinyb_DBTGattCharacteristic_getDescriptorsImpl(JNIEnv *env, jobject obj) {
try {
GATTCharacteristic *characteristic = getInstance<GATTCharacteristic>(env, obj);
JavaGlobalObj::check(characteristic->getJavaObject(), E_FILE_LINE);
std::vector<GATTDescriptorRef> & descriptorList = characteristic->descriptorList;
// DBTGattDescriptor(final long nativeInstance, final DBTGattCharacteristic characteristic,
// final String type_uuid, final short handle, final byte[] value)
// DBTGattDescriptor(final long nativeInstance, final DBTGattCharacteristic characteristic,
// final String type_uuid, final short handle, final byte[] value)
std::function<jobject(JNIEnv*, jclass, jmethodID, GATTDescriptor *)> ctor_desc =
[](JNIEnv *env, jclass clazz, jmethodID clazz_ctor, GATTDescriptor *descriptor)->jobject {
// prepare adapter ctor
std::shared_ptr<GATTCharacteristic> characteristic = descriptor->getCharacteristic();
if( nullptr == characteristic ) {
throw IllegalStateException("Descriptor's GATTCharacteristic destructed: "+descriptor->toString(), E_FILE_LINE);
}
JavaGlobalObj::check(characteristic->getJavaObject(), E_FILE_LINE);
jobject jcharacteristic = JavaGlobalObj::GetObject(characteristic->getJavaObject());
const jstring uuid = from_string_to_jstring(env,
directBTJNISettings.getUnifyUUID128Bit() ? descriptor->type->toUUID128String() :
descriptor->type->toString());
java_exception_check_and_throw(env, E_FILE_LINE);
const size_t value_size = descriptor->value.getSize();
jbyteArray jvalue = env->NewByteArray((jsize)value_size);
env->SetByteArrayRegion(jvalue, 0, (jsize)value_size, (const jbyte *)descriptor->value.get_ptr());
java_exception_check_and_throw(env, E_FILE_LINE);
jobject jchar = env->NewObject(clazz, clazz_ctor, (jlong)descriptor, jcharacteristic,
uuid, (jshort)descriptor->handle, jvalue);
java_exception_check_and_throw(env, E_FILE_LINE);
JNIGlobalRef::check(jchar, E_FILE_LINE);
std::shared_ptr<JavaAnonObj> jCharRef = descriptor->getJavaObject();
JavaGlobalObj::check(jCharRef, E_FILE_LINE);
return JavaGlobalObj::GetObject(jCharRef);
};
return convert_vector_sharedptr_to_jarraylist<GATTDescriptor>(env, descriptorList, _descriptorClazzCtorArgs.c_str(), ctor_desc);
} catch(...) {
rethrow_and_raise_java_exception(env);
}
return nullptr;
}
jbyteArray Java_direct_1bt_tinyb_DBTGattCharacteristic_readValueImpl(JNIEnv *env, jobject obj) {
try {
GATTCharacteristic *characteristic = getInstance<GATTCharacteristic>(env, obj);
JavaGlobalObj::check(characteristic->getJavaObject(), E_FILE_LINE);
POctets res(GATTHandler::number(GATTHandler::Defaults::MAX_ATT_MTU), 0);
if( !characteristic->readValue(res) ) {
ERR_PRINT("Characteristic readValue failed: %s", characteristic->toString().c_str());
return env->NewByteArray((jsize)0);
}
const size_t value_size = res.getSize();
jbyteArray jres = env->NewByteArray((jsize)value_size);
env->SetByteArrayRegion(jres, 0, (jsize)value_size, (const jbyte *)res.get_ptr());
java_exception_check_and_throw(env, E_FILE_LINE);
return jres;
} catch(...) {
rethrow_and_raise_java_exception(env);
}
return nullptr;
}
jboolean Java_direct_1bt_tinyb_DBTGattCharacteristic_writeValueImpl(JNIEnv *env, jobject obj, jbyteArray jvalue) {
try {
if( nullptr == jvalue ) {
throw IllegalArgumentException("byte array null", E_FILE_LINE);
}
const int value_size = env->GetArrayLength(jvalue);
if( 0 == value_size ) {
return JNI_TRUE;
}
GATTCharacteristic *characteristic = getInstance<GATTCharacteristic>(env, obj);
JavaGlobalObj::check(characteristic->getJavaObject(), E_FILE_LINE);
JNICriticalArray<uint8_t, jbyteArray> criticalArray(env); // RAII - release
uint8_t * value_ptr = criticalArray.get(jvalue, criticalArray.Mode::NO_UPDATE_AND_RELEASE);
if( NULL == value_ptr ) {
throw InternalError("GetPrimitiveArrayCritical(byte array) is null", E_FILE_LINE);
}
TROOctets value(value_ptr, value_size);
if( !characteristic->writeValue(value) ) {
ERR_PRINT("Characteristic writeValue failed: %s", characteristic->toString().c_str());
return JNI_FALSE;
}
return JNI_TRUE;
} catch(...) {
rethrow_and_raise_java_exception(env);
}
return JNI_FALSE;
}
jboolean Java_direct_1bt_tinyb_DBTGattCharacteristic_configNotificationIndicationImpl(JNIEnv *env, jobject obj,
jboolean enableNotification, jboolean enableIndication, jbooleanArray jEnabledState) {
try {
GATTCharacteristic *characteristic = getInstanceUnchecked<GATTCharacteristic>(env, obj);
if( nullptr == characteristic ) {
if( !enableNotification && !enableIndication ) {
// OK to have native characteristic being shutdown @ disable
DBG_PRINT("Characteristic's native instance has been deleted");
return false;
}
throw IllegalStateException("Characteristic's native instance deleted", E_FILE_LINE);
}
JavaGlobalObj::check(characteristic->getJavaObject(), E_FILE_LINE);
if( nullptr == jEnabledState ) {
throw IllegalArgumentException("boolean array null", E_FILE_LINE);
}
const int state_size = env->GetArrayLength(jEnabledState);
if( 2 > state_size ) {
throw IllegalArgumentException("boolean array smaller than 2, length "+std::to_string(state_size), E_FILE_LINE);
}
JNICriticalArray<jboolean, jbooleanArray> criticalArray(env); // RAII - release
jboolean * state_ptr = criticalArray.get(jEnabledState, criticalArray.Mode::UPDATE_AND_RELEASE);
if( NULL == state_ptr ) {
throw InternalError("GetPrimitiveArrayCritical(boolean array) is null", E_FILE_LINE);
}
bool cccdEnableResult[2];
bool res = characteristic->configNotificationIndication(enableNotification, enableIndication, cccdEnableResult);
DBG_PRINT("DBTGattCharacteristic::configNotificationIndication Config Notification(%d), Indication(%d): Result %d",
cccdEnableResult[0], cccdEnableResult[1], res);
state_ptr[0] = cccdEnableResult[0];
state_ptr[1] = cccdEnableResult[1];
return res;
} catch(...) {
rethrow_and_raise_java_exception(env);
}
return JNI_FALSE;
}
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