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153 lines
5.1 KiB
153 lines
5.1 KiB
/*
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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 <android-base/stringprintf.h>
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#include <base/logging.h>
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#include <nativehelper/JNIHelp.h>
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#include "JavaClassConstants.h"
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#include "NfcAdaptation.h"
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#include "NfcJniUtil.h"
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#include "PeerToPeer.h"
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#include "nfa_api.h"
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#include "nfa_p2p_api.h"
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using android::base::StringPrintf;
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extern bool nfc_debug_enabled;
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namespace android {
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/*******************************************************************************
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**
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** Function: nativeLlcpServiceSocket_doAccept
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**
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** Description: Accept a connection request from a peer.
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** e: JVM environment.
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** o: Java object.
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** miu: Maximum information unit.
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** rw: Receive window.
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** linearBufferLength: Not used.
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**
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** Returns: LlcpSocket Java object.
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**
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*******************************************************************************/
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static jobject nativeLlcpServiceSocket_doAccept(JNIEnv* e, jobject o, jint miu,
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jint rw,
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jint /*linearBufferLength*/) {
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jobject clientSocket = NULL;
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jclass clsNativeLlcpSocket = NULL;
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jfieldID f = 0;
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PeerToPeer::tJNI_HANDLE serverHandle; // handle of the local server
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bool stat = false;
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PeerToPeer::tJNI_HANDLE connHandle =
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PeerToPeer::getInstance().getNewJniHandle();
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DLOG_IF(INFO, nfc_debug_enabled) << StringPrintf("%s: enter", __func__);
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serverHandle = (PeerToPeer::tJNI_HANDLE)nfc_jni_get_nfc_socket_handle(e, o);
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stat = PeerToPeer::getInstance().accept(serverHandle, connHandle, miu, rw);
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if (!stat) {
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LOG(ERROR) << StringPrintf("%s: fail accept", __func__);
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goto TheEnd;
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}
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/* Create new LlcpSocket object */
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if (nfc_jni_cache_object_local(e, gNativeLlcpSocketClassName,
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&(clientSocket)) == -1) {
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LOG(ERROR) << StringPrintf("%s: fail create NativeLlcpSocket", __func__);
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goto TheEnd;
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}
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/* Get NativeConnectionOriented class object */
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clsNativeLlcpSocket = e->GetObjectClass(clientSocket);
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if (e->ExceptionCheck()) {
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e->ExceptionClear();
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LOG(ERROR) << StringPrintf("%s: get class object error", __func__);
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goto TheEnd;
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}
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/* Set socket handle */
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f = e->GetFieldID(clsNativeLlcpSocket, "mHandle", "I");
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e->SetIntField(clientSocket, f, (jint)connHandle);
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/* Set socket MIU */
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f = e->GetFieldID(clsNativeLlcpSocket, "mLocalMiu", "I");
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e->SetIntField(clientSocket, f, (jint)miu);
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/* Set socket RW */
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f = e->GetFieldID(clsNativeLlcpSocket, "mLocalRw", "I");
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e->SetIntField(clientSocket, f, (jint)rw);
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TheEnd:
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DLOG_IF(INFO, nfc_debug_enabled) << StringPrintf("%s: exit", __func__);
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return clientSocket;
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}
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/*******************************************************************************
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**
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** Function: nativeLlcpServiceSocket_doClose
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**
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** Description: Close a server 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 nativeLlcpServiceSocket_doClose(JNIEnv* e, jobject o) {
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DLOG_IF(INFO, nfc_debug_enabled) << StringPrintf("%s: enter", __func__);
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PeerToPeer::tJNI_HANDLE jniServerHandle = 0;
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bool stat = false;
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jniServerHandle = nfc_jni_get_nfc_socket_handle(e, o);
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stat = PeerToPeer::getInstance().deregisterServer(jniServerHandle);
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DLOG_IF(INFO, nfc_debug_enabled) << StringPrintf("%s: exit", __func__);
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return JNI_TRUE;
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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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{"doAccept", "(III)Lcom/android/nfc/dhimpl/NativeLlcpSocket;",
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(void*)nativeLlcpServiceSocket_doAccept},
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{"doClose", "()Z", (void*)nativeLlcpServiceSocket_doClose},
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};
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/*******************************************************************************
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**
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** Function: register_com_android_nfc_NativeLlcpServiceSocket
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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_NativeLlcpServiceSocket(JNIEnv* e) {
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return jniRegisterNativeMethods(e, gNativeLlcpServiceSocketClassName,
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gMethods, NELEM(gMethods));
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}
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} // namespace android
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