245 lines
8.2 KiB
C++
245 lines
8.2 KiB
C++
/*
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* Copyright (C) 2012 The Android Open Source Project
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#include "OverrideLog.h"
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#include "PeerToPeer.h"
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#include "JavaClassConstants.h"
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#include <ScopedPrimitiveArray.h>
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#include <ScopedUtfChars.h>
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namespace android
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{
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/*******************************************************************************
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**
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** Function: nativeLlcpSocket_doConnect
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**
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** Description: Establish a connection to the peer.
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** e: JVM environment.
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** o: Java object.
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** nSap: Service access point.
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**
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** Returns: True if ok.
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**
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*******************************************************************************/
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static jboolean nativeLlcpSocket_doConnect (JNIEnv* e, jobject o, jint nSap)
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{
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ALOGD ("%s: enter; sap=%d", __FUNCTION__, nSap);
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PeerToPeer::tJNI_HANDLE jniHandle = (PeerToPeer::tJNI_HANDLE) nfc_jni_get_nfc_socket_handle(e, o);
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bool stat = PeerToPeer::getInstance().connectConnOriented (jniHandle, nSap);
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ALOGD ("%s: exit", __FUNCTION__);
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return stat ? JNI_TRUE : JNI_FALSE;
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}
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/*******************************************************************************
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**
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** Function: nativeLlcpSocket_doConnectBy
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**
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** Description: Establish a connection to the peer.
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** e: JVM environment.
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** o: Java object.
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** sn: Service name.
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**
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** Returns: True if ok.
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**
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*******************************************************************************/
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static jboolean nativeLlcpSocket_doConnectBy (JNIEnv* e, jobject o, jstring sn)
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{
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ALOGD ("%s: enter", __FUNCTION__);
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PeerToPeer::tJNI_HANDLE jniHandle = (PeerToPeer::tJNI_HANDLE) nfc_jni_get_nfc_socket_handle(e, o);
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ScopedUtfChars serviceName(e, sn);
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if (serviceName.c_str() == NULL)
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{
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return JNI_FALSE;
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}
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bool stat = PeerToPeer::getInstance().connectConnOriented(jniHandle, serviceName.c_str());
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ALOGD ("%s: exit", __FUNCTION__);
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return stat ? JNI_TRUE : JNI_FALSE;
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}
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/*******************************************************************************
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**
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** Function: nativeLlcpSocket_doClose
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**
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** Description: Close socket.
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** e: JVM environment.
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** o: Java object.
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**
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** Returns: True if ok.
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**
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*******************************************************************************/
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static jboolean nativeLlcpSocket_doClose(JNIEnv *e, jobject o)
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{
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ALOGD ("%s: enter", __FUNCTION__);
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PeerToPeer::tJNI_HANDLE jniHandle = (PeerToPeer::tJNI_HANDLE) nfc_jni_get_nfc_socket_handle(e, o);
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bool stat = PeerToPeer::getInstance().disconnectConnOriented (jniHandle);
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ALOGD ("%s: exit", __FUNCTION__);
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return stat ? JNI_TRUE : JNI_FALSE;
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}
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/*******************************************************************************
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**
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** Function: nativeLlcpSocket_doSend
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**
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** Description: Send data to peer.
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** e: JVM environment.
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** o: Java object.
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** data: Buffer of data.
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**
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** Returns: True if sent ok.
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**
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*******************************************************************************/
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static jboolean nativeLlcpSocket_doSend (JNIEnv* e, jobject o, jbyteArray data)
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{
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ALOGD_IF ((appl_trace_level>=BT_TRACE_LEVEL_DEBUG), "%s: enter", __FUNCTION__);
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ScopedByteArrayRO bytes(e, data);
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PeerToPeer::tJNI_HANDLE jniHandle = (PeerToPeer::tJNI_HANDLE) nfc_jni_get_nfc_socket_handle(e, o);
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UINT8* raw_ptr = const_cast<UINT8*>(reinterpret_cast<const UINT8*>(&bytes[0])); // TODO: API bug: send should take const*!
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bool stat = PeerToPeer::getInstance().send(jniHandle, raw_ptr, bytes.size());
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ALOGD_IF ((appl_trace_level>=BT_TRACE_LEVEL_DEBUG), "%s: exit", __FUNCTION__);
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return stat ? JNI_TRUE : JNI_FALSE;
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}
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/*******************************************************************************
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**
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** Function: nativeLlcpSocket_doReceive
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**
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** Description: Receive data from peer.
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** e: JVM environment.
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** o: Java object.
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** origBuffer: Buffer to put received data.
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**
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** Returns: Number of bytes received.
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**
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*******************************************************************************/
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static jint nativeLlcpSocket_doReceive(JNIEnv *e, jobject o, jbyteArray origBuffer)
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{
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ALOGD_IF ((appl_trace_level>=BT_TRACE_LEVEL_DEBUG), "%s: enter", __FUNCTION__);
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ScopedByteArrayRW bytes(e, origBuffer);
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PeerToPeer::tJNI_HANDLE jniHandle = (PeerToPeer::tJNI_HANDLE) nfc_jni_get_nfc_socket_handle(e, o);
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uint16_t actualLen = 0;
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bool stat = PeerToPeer::getInstance().receive(jniHandle, reinterpret_cast<UINT8*>(&bytes[0]), bytes.size(), actualLen);
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jint retval = 0;
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if (stat && (actualLen>0))
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{
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retval = actualLen;
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}
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else
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retval = -1;
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ALOGD_IF ((appl_trace_level>=BT_TRACE_LEVEL_DEBUG), "%s: exit; actual len=%d", __FUNCTION__, retval);
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return retval;
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}
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/*******************************************************************************
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**
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** Function: nativeLlcpSocket_doGetRemoteSocketMIU
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**
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** Description: Get peer's maximum information unit.
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** e: JVM environment.
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** o: Java object.
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**
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** Returns: Peer's maximum information unit.
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**
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*******************************************************************************/
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static jint nativeLlcpSocket_doGetRemoteSocketMIU (JNIEnv* e, jobject o)
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{
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ALOGD ("%s: enter", __FUNCTION__);
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PeerToPeer::tJNI_HANDLE jniHandle = (PeerToPeer::tJNI_HANDLE) nfc_jni_get_nfc_socket_handle(e, o);
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jint miu = PeerToPeer::getInstance().getRemoteMaxInfoUnit(jniHandle);
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ALOGD ("%s: exit", __FUNCTION__);
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return miu;
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}
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/*******************************************************************************
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**
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** Function: nativeLlcpSocket_doGetRemoteSocketRW
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**
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** Description: Get peer's receive window size.
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** e: JVM environment.
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** o: Java object.
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**
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** Returns: Peer's receive window size.
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**
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*******************************************************************************/
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static jint nativeLlcpSocket_doGetRemoteSocketRW (JNIEnv* e, jobject o)
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{
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ALOGD ("%s: enter", __FUNCTION__);
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PeerToPeer::tJNI_HANDLE jniHandle = (PeerToPeer::tJNI_HANDLE) nfc_jni_get_nfc_socket_handle(e, o);
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jint rw = PeerToPeer::getInstance().getRemoteRecvWindow (jniHandle);
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ALOGD ("%s: exit", __FUNCTION__);
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return rw;
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}
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/*****************************************************************************
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**
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** Description: JNI functions
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**
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*****************************************************************************/
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static JNINativeMethod gMethods[] =
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{
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{"doConnect", "(I)Z", (void * ) nativeLlcpSocket_doConnect},
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{"doConnectBy", "(Ljava/lang/String;)Z", (void*) nativeLlcpSocket_doConnectBy},
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{"doClose", "()Z", (void *) nativeLlcpSocket_doClose},
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{"doSend", "([B)Z", (void *) nativeLlcpSocket_doSend},
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{"doReceive", "([B)I", (void *) nativeLlcpSocket_doReceive},
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{"doGetRemoteSocketMiu", "()I", (void *) nativeLlcpSocket_doGetRemoteSocketMIU},
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{"doGetRemoteSocketRw", "()I", (void *) nativeLlcpSocket_doGetRemoteSocketRW},
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};
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/*******************************************************************************
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**
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** Function: register_com_android_nfc_NativeLlcpSocket
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**
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** Description: Regisgter JNI functions with Java Virtual Machine.
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** e: Environment of JVM.
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**
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** Returns: Status of registration.
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**
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*******************************************************************************/
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int register_com_android_nfc_NativeLlcpSocket (JNIEnv* e)
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{
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return jniRegisterNativeMethods (e, gNativeLlcpSocketClassName, gMethods, NELEM(gMethods));
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}
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} //namespace android
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