| /* |
| * Copyright (C) 2014 The Android Open Source Project |
| * |
| * Licensed under the Apache License, Version 2.0 (the "License"); |
| * you may not use this file except in compliance with the License. |
| * You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| package com.android.loganalysis.parser; |
| |
| import com.android.loganalysis.item.QtaguidItem; |
| |
| import java.util.List; |
| |
| /** |
| * An {@link IParser} to handle the output of {@code xt_qtaguid}. |
| */ |
| public class QtaguidParser implements IParser { |
| |
| /** |
| * Parses the output of "cat /proc/net/xt_qtaguid/stats". |
| * This method only parses total received bytes and total sent bytes per user. |
| * |
| * xt_qtaguid contains network usage per uid in simple space separated format. |
| * The first row of the output is description, and actual data follow. Example: |
| * IDX IFACE ACCT_TAG_HEX UID_TAG_INT CNT_SET RX_BYTES RX_PACKETS TX_BYTES ... (omitted) |
| * 2 wlan0 0x0 0 0 669013 7534 272120 ... |
| * 3 wlan0 0x0 0 1 0 0 0 ... |
| * 4 wlan0 0x0 1000 0 104010 860 135166 ... |
| * ... |
| */ |
| @Override |
| public QtaguidItem parse(List<String> lines) { |
| QtaguidItem item = new QtaguidItem(); |
| for (String line : lines) { |
| String[] columns = line.split(" ", -1); |
| if (columns.length < 8 || columns[0].equals("IDX")) { |
| continue; |
| } |
| |
| try { |
| int uid = Integer.parseInt(columns[3]); |
| int rxBytes = Integer.parseInt(columns[5]); |
| int txBytes = Integer.parseInt(columns[7]); |
| |
| if (item.contains(uid)) { |
| item.updateRow(uid, rxBytes, txBytes); |
| } else { |
| item.addRow(uid, rxBytes, txBytes); |
| } |
| } catch (NumberFormatException e) { |
| // ignore |
| } |
| } |
| |
| return item; |
| } |
| } |