NetlinkListener.cpp revision fa644ffe944c01a9b00f8d7676d58394fabee285
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#include <string.h> 21 22#define LOG_TAG "NetlinkListener" 23#include <cutils/log.h> 24 25#include <sysutils/NetlinkListener.h> 26#include <sysutils/NetlinkEvent.h> 27 28NetlinkListener::NetlinkListener(int socket) : 29 SocketListener(socket, false) { 30} 31 32bool NetlinkListener::onDataAvailable(SocketClient *cli) 33{ 34 int socket = cli->getSocket(); 35 LOGD("NetlinkListener::onDataAvailable()"); 36 37 int count; 38 39 if ((count = recv(socket, mBuffer, sizeof(mBuffer), 0)) < 0) { 40 LOGE("recv failed (%s)", strerror(errno)); 41 return false; 42 } 43 44 NetlinkEvent *evt = new NetlinkEvent(); 45 if (!evt->decode(mBuffer, count)) { 46 LOGE("Error decoding NetlinkEvent"); 47 goto out; 48 } 49 50 LOGD("Ignoring '%s' netlink event", evt->getSubsystem()); 51 52out: 53 delete evt; 54 return true; 55} 56