1 files changed, 114 insertions, 0 deletions
diff --git a/java/jni/direct_bt/DBTGattDesc.cxx b/java/jni/direct_bt/DBTGattDesc.cxx
new file mode 100644
index 00000000..97b0d3a5
--- /dev/null
+++ b/java/jni/direct_bt/DBTGattDesc.cxx
@@ -0,0 +1,114 @@
+/*
+ * Author: Sven Gothel <[email protected]>
+ * 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 "jau_direct_bt_DBTGattDesc.h"
+
+// #define VERBOSE_ON 1
+#include <jau/debug.hpp>
+
+#include "helper_base.hpp"
+#include "helper_dbt.hpp"
+
+#include "direct_bt/BTDevice.hpp"
+#include "direct_bt/BTAdapter.hpp"
+
+using namespace direct_bt;
+using namespace jau;
+
+void Java_jau_direct_1bt_DBTGattDesc_deleteImpl(JNIEnv *env, jobject obj) {
+    try {
+        BTGattDesc *descriptor = getJavaUplinkObject<BTGattDesc>(env, obj);
+        (void)descriptor;
+        // No delete: Service instance owned by GATTService -> BTDevice
+    } catch(...) {
+        rethrow_and_raise_java_exception(env);
+    }
+}
+
+jstring Java_jau_direct_1bt_DBTGattDesc_toStringImpl(JNIEnv *env, jobject obj) {
+    (void)obj;
+    try {
+        BTGattDesc *descriptor = getJavaUplinkObject<BTGattDesc>(env, obj);
+        JavaGlobalObj::check(descriptor->getJavaObject(), E_FILE_LINE);
+        return from_string_to_jstring(env, descriptor->toString());
+    } catch(...) {
+        rethrow_and_raise_java_exception(env);
+    }
+    return nullptr;
+}
+
+jbyteArray Java_jau_direct_1bt_DBTGattDesc_readValueImpl(JNIEnv *env, jobject obj) {
+    try {
+        BTGattDesc *descriptor = getJavaUplinkObject<BTGattDesc>(env, obj);
+        JavaGlobalObj::check(descriptor->getJavaObject(), E_FILE_LINE);
+
+        if( !descriptor->readValue() ) {
+            ERR_PRINT("Characteristic readValue failed: %s", descriptor->toString().c_str());
+            return env->NewByteArray((jsize)0);
+        }
+        const size_t value_size = descriptor->value.getSize();
+        jbyteArray jres = env->NewByteArray((jsize)value_size);
+        env->SetByteArrayRegion(jres, 0, (jsize)value_size, (const jbyte *)descriptor->value.get_ptr());
+        java_exception_check_and_throw(env, E_FILE_LINE);
+        return jres;
+
+    } catch(...) {
+        rethrow_and_raise_java_exception(env);
+    }
+    return nullptr;
+}
+
+jboolean Java_jau_direct_1bt_DBTGattDesc_writeValueImpl(JNIEnv *env, jobject obj, jbyteArray jval) {
+    try {
+        if( nullptr == jval ) {
+            throw IllegalArgumentException("byte array null", E_FILE_LINE);
+        }
+        const size_t value_size = (size_t)env->GetArrayLength(jval);
+        if( 0 == value_size ) {
+            return JNI_TRUE;
+        }
+        BTGattDesc *descriptor = getJavaUplinkObject<BTGattDesc>(env, obj);
+        JavaGlobalObj::check(descriptor->getJavaObject(), E_FILE_LINE);
+
+        JNICriticalArray<uint8_t, jbyteArray> criticalArray(env); // RAII - release
+        uint8_t * value_ptr = criticalArray.get(jval, 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);
+        descriptor->value = value; // copy data
+
+        if( !descriptor->writeValue() ) {
+            ERR_PRINT("Descriptor writeValue failed: %s", descriptor->toString().c_str());
+            return JNI_FALSE;
+        }
+        return JNI_TRUE;
+    } catch(...) {
+        rethrow_and_raise_java_exception(env);
+    }
+    return JNI_FALSE;
+}
+
+