Android Open Source - LTM Net Stat

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License

The source code is released under:

Apache License

Java Source Code

/* (C) 2012 Pragmatic Software
   This Source Code Form is subject to the terms of the Mozilla Public
   License, v. 2.0. If a copy of the MPL was not distributed with this
   file, You can obtain one at http://mozilla.org/MPL/2.0/
 *///from   w  ww .  j  av a2  s. c om

package com.chrisplus.ltm.utils;

import java.io.BufferedReader;
import java.io.FileReader;
import java.io.PrintStream;
import java.util.HashMap;
import java.util.ArrayList;

import android.util.Log;

public class NetStat {
    private final static String TAG = NetStat.class.getSimpleName();
    private final String states[] = {
            "ESTBLSH", "SYNSENT", "SYNRECV", "FWAIT1", "FWAIT2", "TMEWAIT",
            "CLOSED", "CLSWAIT", "LASTACK", "LISTEN", "CLOSING", "UNKNOWN"
    };

    public class Connection {
        public String src;
        public String spt;
        public String dst;
        public String dpt;
        public String uid;
    }

    ArrayList<Connection> connections;

    public NetStat() {
        connections = new ArrayList<Connection>();
    }

    private final String getAddress(final String hexa) {
        try {
            final long v = Long.parseLong(hexa, 16);
            final long adr = (v >>> 24) | (v << 24) |
                    ((v << 8) & 0x00FF0000) | ((v >> 8) & 0x0000FF00);
            return ((adr >> 24) & 0xff) + "." + ((adr >> 16) & 0xff) + "." + ((adr >> 8) & 0xff)
                    + "." + (adr & 0xff);
        } catch (Exception e) {
            Log.w("NetworkLog", e.toString(), e);
            return "-1.-1.-1.-1";
        }
    }

    private final String getAddress6(final String hexa) {
        try {
            final String ip4[] = hexa.split("0000000000000000FFFF0000");

            if (ip4.length == 2) {
                final long v = Long.parseLong(ip4[1], 16);
                final long adr = (v >>> 24) | (v << 24) |
                        ((v << 8) & 0x00FF0000) | ((v >> 8) & 0x0000FF00);
                return ((adr >> 24) & 0xff) + "." + ((adr >> 16) & 0xff) + "."
                        + ((adr >> 8) & 0xff) + "." + (adr & 0xff);
            } else {
                return "-2.-2.-2.-2";
            }
        } catch (Exception e) {
            Log.w("NetworkLog", e.toString(), e);
            return "-1.-1.-1.-1";
        }
    }

    private final int getInt16(final String hexa) {
        try {
            return Integer.parseInt(hexa, 16);
        } catch (Exception e) {
            Log.w("NetworkLog", e.toString(), e);
            return -1;
        }
    }

    public ArrayList<Connection> getConnections() {
        connections.clear();
        try {
            BufferedReader in = new BufferedReader(new FileReader("/proc/"
                    + android.os.Process.myPid() + "/net/tcp"));
            String line;

            while ((line = in.readLine()) != null) {
                line = line.trim();

                String[] fields = line.split("\\s+", 10);
                int fieldn = 0;

                if (fields[0].equals("sl")) {
                    continue;
                }

                Connection connection = new Connection();

                String src[] = fields[1].split(":", 2);
                String dst[] = fields[2].split(":", 2);

                connection.src = getAddress(src[0]);
                connection.spt = String.valueOf(getInt16(src[1]));
                connection.dst = getAddress(dst[0]);
                connection.dpt = String.valueOf(getInt16(dst[1]));
                connection.uid = fields[7];

                connections.add(connection);
            }

            in.close();

            in = new BufferedReader(new FileReader("/proc/" + android.os.Process.myPid()
                    + "/net/udp"));

            while ((line = in.readLine()) != null) {
                line = line.trim();

                String[] fields = line.split("\\s+", 10);
                int fieldn = 0;

                if (fields[0].equals("sl")) {
                    continue;
                }

                Connection connection = new Connection();

                String src[] = fields[1].split(":", 2);
                String dst[] = fields[2].split(":", 2);

                connection.src = getAddress(src[0]);
                connection.spt = String.valueOf(getInt16(src[1]));
                connection.dst = getAddress(dst[0]);
                connection.dpt = String.valueOf(getInt16(dst[1]));
                connection.uid = fields[7];

                connections.add(connection);
            }

            in.close();

            in = new BufferedReader(new FileReader("/proc/" + android.os.Process.myPid()
                    + "/net/tcp6"));

            while ((line = in.readLine()) != null) {
                line = line.trim();

                String[] fields = line.split("\\s+", 10);
                int fieldn = 0;

                if (fields[0].equals("sl")) {
                    continue;
                }

                Connection connection = new Connection();

                String src[] = fields[1].split(":", 2);
                String dst[] = fields[2].split(":", 2);

                connection.src = getAddress6(src[0]);
                connection.spt = String.valueOf(getInt16(src[1]));
                connection.dst = getAddress6(dst[0]);
                connection.dpt = String.valueOf(getInt16(dst[1]));
                connection.uid = fields[7];

                connections.add(connection);
            }

            in.close();

            in = new BufferedReader(new FileReader("/proc/" + android.os.Process.myPid()
                    + "/net/udp6"));

            while ((line = in.readLine()) != null) {
                line = line.trim();

                String[] fields = line.split("\\s+", 10);
                int fieldn = 0;

                if (fields[0].equals("sl")) {
                    continue;
                }

                Connection connection = new Connection();

                String src[] = fields[1].split(":", 2);
                String dst[] = fields[2].split(":", 2);

                connection.src = getAddress6(src[0]);
                connection.spt = String.valueOf(getInt16(src[1]));
                connection.dst = getAddress6(dst[0]);
                connection.dpt = String.valueOf(getInt16(dst[1]));
                connection.uid = fields[7];

                connections.add(connection);
            }

            in.close();
        } catch (Exception e) {
            e.printStackTrace();
        }

        return connections;
    }
}

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