1 /* 2 * Copyright (C) 2007 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 17 package android.net; 18 19 import android.util.Log; 20 21 import java.io.File; 22 import java.io.RandomAccessFile; 23 import java.io.IOException; 24 25 /** 26 * Class that provides network traffic statistics. These statistics include 27 * bytes transmitted and received and network packets transmitted and received, 28 * over all interfaces, over the mobile interface, and on a per-UID basis. 29 * <p> 30 * These statistics may not be available on all platforms. If the statistics 31 * are not supported by this device, {@link #UNSUPPORTED} will be returned. 32 */ 33 public class TrafficStats { 34 /** 35 * The return value to indicate that the device does not support the statistic. 36 */ 37 public final static int UNSUPPORTED = -1; 38 39 /** 40 * Get the total number of packets transmitted through the mobile interface. 41 * 42 * @return number of packets. If the statistics are not supported by this device, 43 * {@link #UNSUPPORTED} will be returned. 44 */ getMobileTxPackets()45 public static native long getMobileTxPackets(); 46 47 /** 48 * Get the total number of packets received through the mobile interface. 49 * 50 * @return number of packets. If the statistics are not supported by this device, 51 * {@link #UNSUPPORTED} will be returned. 52 */ getMobileRxPackets()53 public static native long getMobileRxPackets(); 54 55 /** 56 * Get the total number of bytes transmitted through the mobile interface. 57 * 58 * @return number of bytes. If the statistics are not supported by this device, 59 * {@link #UNSUPPORTED} will be returned. 60 */ getMobileTxBytes()61 public static native long getMobileTxBytes(); 62 63 /** 64 * Get the total number of bytes received through the mobile interface. 65 * 66 * @return number of bytes. If the statistics are not supported by this device, 67 * {@link #UNSUPPORTED} will be returned. 68 */ getMobileRxBytes()69 public static native long getMobileRxBytes(); 70 71 /** 72 * Get the total number of packets sent through all network interfaces. 73 * 74 * @return the number of packets. If the statistics are not supported by this device, 75 * {@link #UNSUPPORTED} will be returned. 76 */ getTotalTxPackets()77 public static native long getTotalTxPackets(); 78 79 /** 80 * Get the total number of packets received through all network interfaces. 81 * 82 * @return number of packets. If the statistics are not supported by this device, 83 * {@link #UNSUPPORTED} will be returned. 84 */ getTotalRxPackets()85 public static native long getTotalRxPackets(); 86 87 /** 88 * Get the total number of bytes sent through all network interfaces. 89 * 90 * @return number of bytes. If the statistics are not supported by this device, 91 * {@link #UNSUPPORTED} will be returned. 92 */ getTotalTxBytes()93 public static native long getTotalTxBytes(); 94 95 /** 96 * Get the total number of bytes received through all network interfaces. 97 * 98 * @return number of bytes. If the statistics are not supported by this device, 99 * {@link #UNSUPPORTED} will be returned. 100 */ getTotalRxBytes()101 public static native long getTotalRxBytes(); 102 103 /** 104 * Get the number of bytes sent through the network for this UID. 105 * The statistics are across all interfaces. 106 * 107 * {@see android.os.Process#myUid()}. 108 * 109 * @param uid The UID of the process to examine. 110 * @return number of bytes. If the statistics are not supported by this device, 111 * {@link #UNSUPPORTED} will be returned. 112 */ getUidTxBytes(int uid)113 public static native long getUidTxBytes(int uid); 114 115 /** 116 * Get the number of bytes received through the network for this UID. 117 * The statistics are across all interfaces. 118 * 119 * {@see android.os.Process#myUid()}. 120 * 121 * @param uid The UID of the process to examine. 122 * @return number of bytes 123 */ getUidRxBytes(int uid)124 public static native long getUidRxBytes(int uid); 125 } 126