NetlinkListener.cpp revision ebfe3db361c51d9d99bf6cfd495bd16bdf815e1f 
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    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    onEvent(evt);
49out:
50    delete evt;
51    return true;
52}
53