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package de.blinkt.openvpn;
import java.util.LinkedList;
import java.util.Vector;
import android.os.ParcelFileDescriptor;
import android.util.Log;
public class OpenVPN {
private static OpenVpnService mOpenVpnService;
private static final int MAXLOGENTRIES = 500;
public static native int startOpenVPNThread();
public static native int startOpenVPNThreadArgs(String argv[]);
private static final String TAG = "OpenVpn";
public static LinkedList<String> logbuffer = new LinkedList<String>();
private static int counter=0;
private static Vector<LogListener> logListener=new Vector<OpenVPN.LogListener>();
public interface LogListener {
void newLog(String logmessage);
}
static {
System.loadLibrary("crypto");
System.loadLibrary("ssl");
System.loadLibrary("lzo");
System.loadLibrary("openvpn");
}
static void addRoute(String dest,String mask, String gw) {
Log.i("openvpn" ,"Got Routing information " + dest + " " + mask + " " + gw );
mOpenVpnService.addRoute(dest,mask);
}
synchronized static void logMessage(int level,String prefix, String message)
{
logbuffer.addLast(prefix + " " + message);
if(logbuffer.size()>MAXLOGENTRIES)
logbuffer.removeFirst();
// The garbage collector does not collect the String from native
// but kills me for logging 100 messages with too many references :(
// Force GC how and then to kill loose ends
if(counter++ % 50==0)
System.gc();
for (LogListener ll : logListener) {
ll.newLog(prefix + " " + message);
}
}
synchronized static void clearLog() {
logbuffer.clear();
}
synchronized static void addLogListener(LogListener ll){
logListener.add(ll);
}
synchronized static void removeLogListener(LogListener ll) {
logListener.remove(ll);
}
static void addInterfaceInfo(int mtu, String local, String netmask)
{
Log.i("openvpn","Got interface info M" + mtu + " L: " + local + "NM: " + netmask);
mOpenVpnService.setLocalIP(local,netmask);
}
static void addDns(String dns) {
Log.i("openvpn","Got DNS Server: " + dns);
mOpenVpnService.addDNS(dns);
}
static void addDomain(String domain) {
Log.i("openvpn","Got DNS Domain: " + domain);
mOpenVpnService.setDomain(domain);
}
public static void setCallback(OpenVpnService openVpnService) {
mOpenVpnService = openVpnService;
}
public static boolean protectSocket (int sockfd)
{
boolean p = mOpenVpnService.protect(sockfd);
if(p)
Log.d("openvpn","Protected socket "+ sockfd);
else
Log.e("openvpn","Error protecting socket "+ sockfd);
return p;
}
public static int openTunDevice() {
Log.d(TAG,"Opening tun device");
ParcelFileDescriptor pfd = mOpenVpnService.openTun();
return pfd.detachFd();
}
//! Dummy method being called to force loading of JNI Libraries
public static void foo() { }
synchronized public static String[] getlogbuffer() {
// The stoned way of java to return an array from a vector
// brought to you by eclipse auto complete
return (String[]) logbuffer.toArray(new String[logbuffer.size()]);
}
}
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