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-rw-r--r--nci/jni/NativeLlcpSocket.cpp271
1 files changed, 271 insertions, 0 deletions
diff --git a/nci/jni/NativeLlcpSocket.cpp b/nci/jni/NativeLlcpSocket.cpp
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+++ b/nci/jni/NativeLlcpSocket.cpp
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+/*
+ * Copyright (C) 2012 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+#include "OverrideLog.h"
+#include "PeerToPeer.h"
+#include "JavaClassConstants.h"
+
+
+namespace android
+{
+
+
+/*******************************************************************************
+**
+** Function: nativeLlcpSocket_doConnect
+**
+** Description: Establish a connection to the peer.
+** e: JVM environment.
+** o: Java object.
+** nSap: Service access point.
+**
+** Returns: True if ok.
+**
+*******************************************************************************/
+static jboolean nativeLlcpSocket_doConnect (JNIEnv* e, jobject o, jint nSap)
+{
+ bool stat = false;
+ jboolean retVal = JNI_FALSE;
+
+ ALOGD ("%s: enter; sap=%d", __FUNCTION__, nSap);
+
+ PeerToPeer::tJNI_HANDLE jniHandle = (PeerToPeer::tJNI_HANDLE) nfc_jni_get_nfc_socket_handle (e,o);
+
+ stat = PeerToPeer::getInstance().connectConnOriented (jniHandle, nSap);
+
+ if (stat)
+ retVal = JNI_TRUE;
+
+ ALOGD ("%s: exit", __FUNCTION__);
+ return retVal;
+}
+
+
+/*******************************************************************************
+**
+** Function: nativeLlcpSocket_doConnectBy
+**
+** Description: Establish a connection to the peer.
+** e: JVM environment.
+** o: Java object.
+** sn: Service name.
+**
+** Returns: True if ok.
+**
+*******************************************************************************/
+static jboolean nativeLlcpSocket_doConnectBy (JNIEnv* e, jobject o, jstring sn)
+{
+ ALOGD ("%s: enter", __FUNCTION__);
+ bool stat = false;
+ jboolean retVal = JNI_FALSE;
+
+ PeerToPeer::tJNI_HANDLE jniHandle = (PeerToPeer::tJNI_HANDLE) nfc_jni_get_nfc_socket_handle (e,o);
+
+ const char* serviceName = e->GetStringUTFChars (sn, JNI_FALSE); //convert jstring, which is unicode, into char*
+
+ stat = PeerToPeer::getInstance().connectConnOriented (jniHandle, serviceName);
+
+ e->ReleaseStringUTFChars (sn, serviceName); //free the string
+
+ if (stat)
+ retVal = JNI_TRUE;
+
+ ALOGD ("%s: exit", __FUNCTION__);
+ return retVal;
+}
+
+
+/*******************************************************************************
+**
+** Function: nativeLlcpSocket_doClose
+**
+** Description: Close socket.
+** e: JVM environment.
+** o: Java object.
+**
+** Returns: True if ok.
+**
+*******************************************************************************/
+static jboolean nativeLlcpSocket_doClose(JNIEnv *e, jobject o)
+{
+ ALOGD ("%s: enter", __FUNCTION__);
+ bool stat = false;
+ jboolean retVal = JNI_FALSE;
+
+ PeerToPeer::tJNI_HANDLE jniHandle = (PeerToPeer::tJNI_HANDLE) nfc_jni_get_nfc_socket_handle (e,o);
+
+ stat = PeerToPeer::getInstance().disconnectConnOriented (jniHandle);
+
+ retVal = JNI_TRUE;
+ ALOGD ("%s: exit", __FUNCTION__);
+ return retVal;
+}
+
+
+/*******************************************************************************
+**
+** Function: nativeLlcpSocket_doSend
+**
+** Description: Send data to peer.
+** e: JVM environment.
+** o: Java object.
+** data: Buffer of data.
+**
+** Returns: True if sent ok.
+**
+*******************************************************************************/
+static jboolean nativeLlcpSocket_doSend (JNIEnv* e, jobject o, jbyteArray data)
+{
+ ALOGD_IF ((appl_trace_level>=BT_TRACE_LEVEL_DEBUG), "%s: enter", __FUNCTION__);
+ uint8_t* dataBuffer = (uint8_t*) e->GetByteArrayElements (data, NULL);
+ uint32_t dataBufferLen = (uint32_t) e->GetArrayLength (data);
+ bool stat = false;
+
+ PeerToPeer::tJNI_HANDLE jniHandle = (PeerToPeer::tJNI_HANDLE) nfc_jni_get_nfc_socket_handle (e,o);
+
+ stat = PeerToPeer::getInstance().send (jniHandle, dataBuffer, dataBufferLen);
+
+ e->ReleaseByteArrayElements (data, (jbyte*) dataBuffer, JNI_ABORT);
+
+ ALOGD_IF ((appl_trace_level>=BT_TRACE_LEVEL_DEBUG), "%s: exit", __FUNCTION__);
+ return stat ? JNI_TRUE : JNI_FALSE;
+}
+
+
+/*******************************************************************************
+**
+** Function: nativeLlcpSocket_doReceive
+**
+** Description: Receive data from peer.
+** e: JVM environment.
+** o: Java object.
+** origBuffer: Buffer to put received data.
+**
+** Returns: Number of bytes received.
+**
+*******************************************************************************/
+static jint nativeLlcpSocket_doReceive(JNIEnv *e, jobject o, jbyteArray origBuffer)
+{
+ ALOGD_IF ((appl_trace_level>=BT_TRACE_LEVEL_DEBUG), "%s: enter", __FUNCTION__);
+ uint8_t* dataBuffer = (uint8_t*) e->GetByteArrayElements (origBuffer, NULL);
+ uint32_t dataBufferLen = (uint32_t) e->GetArrayLength (origBuffer);
+ uint16_t actualLen = 0;
+ bool stat = false;
+ jint retval = 0;
+
+ PeerToPeer::tJNI_HANDLE jniHandle = (PeerToPeer::tJNI_HANDLE) nfc_jni_get_nfc_socket_handle (e,o);
+
+ stat = PeerToPeer::getInstance().receive (jniHandle, dataBuffer, dataBufferLen, actualLen);
+
+ if (stat && (actualLen>0))
+ {
+ retval = actualLen;
+ }
+ else
+ retval = -1;
+
+ e->ReleaseByteArrayElements (origBuffer, (jbyte*) dataBuffer, 0);
+ ALOGD_IF ((appl_trace_level>=BT_TRACE_LEVEL_DEBUG), "%s: exit; actual len=%d", __FUNCTION__, retval);
+ return retval;
+}
+
+
+/*******************************************************************************
+**
+** Function: nativeLlcpSocket_doGetRemoteSocketMIU
+**
+** Description: Get peer's maximum information unit.
+** e: JVM environment.
+** o: Java object.
+**
+** Returns: Peer's maximum information unit.
+**
+*******************************************************************************/
+static jint nativeLlcpSocket_doGetRemoteSocketMIU (JNIEnv* e, jobject o)
+{
+ ALOGD ("%s: enter", __FUNCTION__);
+ bool stat = false;
+
+ PeerToPeer::tJNI_HANDLE jniHandle = (PeerToPeer::tJNI_HANDLE) nfc_jni_get_nfc_socket_handle (e,o);
+ jint miu = 0;
+
+ miu = PeerToPeer::getInstance().getRemoteMaxInfoUnit (jniHandle);
+
+ ALOGD ("%s: exit", __FUNCTION__);
+ return miu;
+}
+
+
+/*******************************************************************************
+**
+** Function: nativeLlcpSocket_doGetRemoteSocketRW
+**
+** Description: Get peer's receive window size.
+** e: JVM environment.
+** o: Java object.
+**
+** Returns: Peer's receive window size.
+**
+*******************************************************************************/
+static jint nativeLlcpSocket_doGetRemoteSocketRW (JNIEnv* e, jobject o)
+{
+ ALOGD ("%s: enter", __FUNCTION__);
+ bool stat = false;
+ jint rw = 0;
+
+ PeerToPeer::tJNI_HANDLE jniHandle = (PeerToPeer::tJNI_HANDLE) nfc_jni_get_nfc_socket_handle (e,o);
+
+ rw = PeerToPeer::getInstance().getRemoteRecvWindow (jniHandle);
+
+ ALOGD ("%s: exit", __FUNCTION__);
+ return rw;
+}
+
+
+/*****************************************************************************
+**
+** Description: JNI functions
+**
+*****************************************************************************/
+static JNINativeMethod gMethods[] =
+{
+ {"doConnect", "(I)Z", (void * ) nativeLlcpSocket_doConnect},
+ {"doConnectBy", "(Ljava/lang/String;)Z", (void*) nativeLlcpSocket_doConnectBy},
+ {"doClose", "()Z", (void *) nativeLlcpSocket_doClose},
+ {"doSend", "([B)Z", (void *) nativeLlcpSocket_doSend},
+ {"doReceive", "([B)I", (void *) nativeLlcpSocket_doReceive},
+ {"doGetRemoteSocketMiu", "()I", (void *) nativeLlcpSocket_doGetRemoteSocketMIU},
+ {"doGetRemoteSocketRw", "()I", (void *) nativeLlcpSocket_doGetRemoteSocketRW},
+};
+
+
+/*******************************************************************************
+**
+** Function: register_com_android_nfc_NativeLlcpSocket
+**
+** Description: Regisgter JNI functions with Java Virtual Machine.
+** e: Environment of JVM.
+**
+** Returns: Status of registration.
+**
+*******************************************************************************/
+int register_com_android_nfc_NativeLlcpSocket (JNIEnv* e)
+{
+ return jniRegisterNativeMethods (e, gNativeLlcpSocketClassName, gMethods, NELEM(gMethods));
+}
+
+
+} //namespace android
+
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