NetlinkListener.cpp revision 168415b822cae1f8b54ef09c41c11a9b97b87f40
1168415b822cae1f8b54ef09c41c11a9b97b87f40San Mehat/* 2168415b822cae1f8b54ef09c41c11a9b97b87f40San Mehat * Copyright (C) 2008 The Android Open Source Project 3168415b822cae1f8b54ef09c41c11a9b97b87f40San Mehat * 4168415b822cae1f8b54ef09c41c11a9b97b87f40San Mehat * Licensed under the Apache License, Version 2.0 (the "License"); 5168415b822cae1f8b54ef09c41c11a9b97b87f40San Mehat * you may not use this file except in compliance with the License. 6168415b822cae1f8b54ef09c41c11a9b97b87f40San Mehat * You may obtain a copy of the License at 7168415b822cae1f8b54ef09c41c11a9b97b87f40San Mehat * 8168415b822cae1f8b54ef09c41c11a9b97b87f40San Mehat * http://www.apache.org/licenses/LICENSE-2.0 9168415b822cae1f8b54ef09c41c11a9b97b87f40San Mehat * 10168415b822cae1f8b54ef09c41c11a9b97b87f40San Mehat * Unless required by applicable law or agreed to in writing, software 11168415b822cae1f8b54ef09c41c11a9b97b87f40San Mehat * distributed under the License is distributed on an "AS IS" BASIS, 12168415b822cae1f8b54ef09c41c11a9b97b87f40San Mehat * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13168415b822cae1f8b54ef09c41c11a9b97b87f40San Mehat * See the License for the specific language governing permissions and 14168415b822cae1f8b54ef09c41c11a9b97b87f40San Mehat * limitations under the License. 15168415b822cae1f8b54ef09c41c11a9b97b87f40San Mehat */ 16168415b822cae1f8b54ef09c41c11a9b97b87f40San Mehat#include <errno.h> 17168415b822cae1f8b54ef09c41c11a9b97b87f40San Mehat 18168415b822cae1f8b54ef09c41c11a9b97b87f40San Mehat#include <sys/types.h> 19168415b822cae1f8b54ef09c41c11a9b97b87f40San Mehat#include <sys/socket.h> 20168415b822cae1f8b54ef09c41c11a9b97b87f40San Mehat 21168415b822cae1f8b54ef09c41c11a9b97b87f40San Mehat#define LOG_TAG "NetlinkListener" 22168415b822cae1f8b54ef09c41c11a9b97b87f40San Mehat#include <cutils/log.h> 23168415b822cae1f8b54ef09c41c11a9b97b87f40San Mehat 24168415b822cae1f8b54ef09c41c11a9b97b87f40San Mehat#include <sysutils/NetlinkListener.h> 25168415b822cae1f8b54ef09c41c11a9b97b87f40San Mehat#include <sysutils/NetlinkEvent.h> 26168415b822cae1f8b54ef09c41c11a9b97b87f40San Mehat 27168415b822cae1f8b54ef09c41c11a9b97b87f40San MehatNetlinkListener::NetlinkListener(int socket) : 28168415b822cae1f8b54ef09c41c11a9b97b87f40San Mehat SocketListener(socket, false) { 29168415b822cae1f8b54ef09c41c11a9b97b87f40San Mehat} 30168415b822cae1f8b54ef09c41c11a9b97b87f40San Mehat 31168415b822cae1f8b54ef09c41c11a9b97b87f40San Mehatbool NetlinkListener::onDataAvailable(int socket) 32168415b822cae1f8b54ef09c41c11a9b97b87f40San Mehat{ 33168415b822cae1f8b54ef09c41c11a9b97b87f40San Mehat LOGD("NetlinkListener::onDataAvailable()"); 34168415b822cae1f8b54ef09c41c11a9b97b87f40San Mehat 35168415b822cae1f8b54ef09c41c11a9b97b87f40San Mehat int count; 36168415b822cae1f8b54ef09c41c11a9b97b87f40San Mehat 37168415b822cae1f8b54ef09c41c11a9b97b87f40San Mehat if ((count = recv(socket, mBuffer, sizeof(mBuffer), 0)) < 0) { 38168415b822cae1f8b54ef09c41c11a9b97b87f40San Mehat LOGE("recv failed (%s)", strerror(errno)); 39168415b822cae1f8b54ef09c41c11a9b97b87f40San Mehat return false; 40168415b822cae1f8b54ef09c41c11a9b97b87f40San Mehat } 41168415b822cae1f8b54ef09c41c11a9b97b87f40San Mehat 42168415b822cae1f8b54ef09c41c11a9b97b87f40San Mehat NetlinkEvent *evt = new NetlinkEvent(); 43168415b822cae1f8b54ef09c41c11a9b97b87f40San Mehat if (!evt->decode(mBuffer, count)) { 44168415b822cae1f8b54ef09c41c11a9b97b87f40San Mehat LOGE("Error decoding NetlinkEvent"); 45168415b822cae1f8b54ef09c41c11a9b97b87f40San Mehat goto out; 46168415b822cae1f8b54ef09c41c11a9b97b87f40San Mehat } 47168415b822cae1f8b54ef09c41c11a9b97b87f40San Mehat 48168415b822cae1f8b54ef09c41c11a9b97b87f40San Mehat LOGD("Ignoring '%s' netlink event", evt->getSubsystem()); 49168415b822cae1f8b54ef09c41c11a9b97b87f40San Mehat 50168415b822cae1f8b54ef09c41c11a9b97b87f40San Mehatout: 51168415b822cae1f8b54ef09c41c11a9b97b87f40San Mehat delete evt; 52168415b822cae1f8b54ef09c41c11a9b97b87f40San Mehat return true; 53168415b822cae1f8b54ef09c41c11a9b97b87f40San Mehat} 54