NetlinkListener.cpp revision 168415b822cae1f8b54ef09c41c11a9b97b87f40
1/* 2 * Copyright (C) 2008 The Android Open Source Project 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); 5 * you may not use this file except in compliance with the License. 6 * You may obtain a copy of the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License. 15 */ 16#include <errno.h> 17 18#include <sys/types.h> 19#include <sys/socket.h> 20 21#define LOG_TAG "NetlinkListener" 22#include <cutils/log.h> 23 24#include <sysutils/NetlinkListener.h> 25#include <sysutils/NetlinkEvent.h> 26 27NetlinkListener::NetlinkListener(int socket) : 28 SocketListener(socket, false) { 29} 30 31bool NetlinkListener::onDataAvailable(int socket) 32{ 33 LOGD("NetlinkListener::onDataAvailable()"); 34 35 int count; 36 37 if ((count = recv(socket, mBuffer, sizeof(mBuffer), 0)) < 0) { 38 LOGE("recv failed (%s)", strerror(errno)); 39 return false; 40 } 41 42 NetlinkEvent *evt = new NetlinkEvent(); 43 if (!evt->decode(mBuffer, count)) { 44 LOGE("Error decoding NetlinkEvent"); 45 goto out; 46 } 47 48 LOGD("Ignoring '%s' netlink event", evt->getSubsystem()); 49 50out: 51 delete evt; 52 return true; 53} 54