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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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