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package de.blinkt.openvpn;
import java.util.LinkedList;
import java.util.Locale;
import java.util.Vector;
import android.content.Context;
import android.os.Build;
public class OpenVPN {
public static LinkedList<LogItem> logbuffer;
private static Vector<LogListener> logListener;
private static Vector<StateListener> stateListener;
private static String[] mBconfig;
private static String mLaststatemsg;
private static String mLaststate;
private static int mLastStateresid=R.string.state_noprocess;
static {
logbuffer = new LinkedList<LogItem>();
logListener = new Vector<OpenVPN.LogListener>();
stateListener = new Vector<OpenVPN.StateListener>();
logInformation();
}
public static class LogItem {
public static final int ERROR = 1;
public static final int INFO = 2;
public static final int VERBOSE = 3;
private Object [] mArgs = null;
private String mMessage = null;
private int mRessourceId;
// Default log priority
int mLevel = INFO;
public LogItem(int ressourceId, Object[] args) {
mRessourceId = ressourceId;
mArgs = args;
}
public LogItem(int loglevel,int ressourceId, Object[] args) {
mRessourceId = ressourceId;
mArgs = args;
mLevel = loglevel;
}
public LogItem(String message) {
mMessage = message;
}
public LogItem(int loglevel, String msg) {
mLevel = loglevel;
mMessage = msg;
}
public LogItem(int loglevel, int ressourceId) {
mRessourceId =ressourceId;
mLevel = loglevel;
}
public String getString(Context c) {
if(mMessage !=null) {
return mMessage;
} else {
if(c!=null) {
if(mArgs == null)
return c.getString(mRessourceId);
else
return c.getString(mRessourceId,mArgs);
} else {
String str = String.format(Locale.ENGLISH,"Log (no context) resid %d", mRessourceId);
if(mArgs !=null)
for(Object o:mArgs)
str += "|" + o.toString();
return str;
}
}
}
}
private static final int MAXLOGENTRIES = 500;
public static final String MANAGMENT_PREFIX = "M:";
public interface LogListener {
void newLog(LogItem logItem);
}
public interface StateListener {
void updateState(String state, String logmessage, int localizedResId);
}
synchronized static void logMessage(int level,String prefix, String message)
{
newlogItem(new LogItem(prefix + message));
}
synchronized static void clearLog() {
logbuffer.clear();
logInformation();
}
private static void logInformation() {
logInfo(R.string.mobile_info,Build.MODEL, Build.BOARD,Build.BRAND,Build.VERSION.SDK_INT);
}
public synchronized static void addLogListener(LogListener ll){
logListener.add(ll);
}
public synchronized static void removeLogListener(LogListener ll) {
logListener.remove(ll);
}
public synchronized static void addStateListener(StateListener sl){
stateListener.add(sl);
if(mLaststate!=null)
sl.updateState(mLaststate, mLaststatemsg, mLastStateresid);
}
private static int getLocalizedState(String state){
if (state.equals("CONNECTING"))
return R.string.state_connecting;
else if (state.equals("WAIT"))
return R.string.state_wait;
else if (state.equals("AUTH"))
return R.string.state_auth;
else if (state.equals("GET_CONFIG"))
return R.string.state_get_config;
else if (state.equals("ASSIGN_IP"))
return R.string.state_assign_ip;
else if (state.equals("ADD_ROUTES"))
return R.string.state_add_routes;
else if (state.equals("CONNECTED"))
return R.string.state_connected;
else if (state.equals("RECONNECTING"))
return R.string.state_reconnecting;
else if (state.equals("EXITING"))
return R.string.state_exiting;
else if (state.equals("RESOLVE"))
return R.string.state_resolve;
else if (state.equals("TCP_CONNECT"))
return R.string.state_tcp_connect;
else
return R.string.unknown_state;
}
public synchronized static void removeStateListener(StateListener sl) {
stateListener.remove(sl);
}
synchronized public static LogItem[] getlogbuffer() {
// The stoned way of java to return an array from a vector
// brought to you by eclipse auto complete
return (LogItem[]) logbuffer.toArray(new LogItem[logbuffer.size()]);
}
public static void logBuilderConfig(String[] bconfig) {
mBconfig = bconfig;
}
public static void triggerLogBuilderConfig() {
if(mBconfig==null) {
logMessage(0, "", "No active interface");
} else {
for (String item : mBconfig) {
logMessage(0, "", item);
}
}
}
public static void updateStateString (String state, String msg) {
int rid = getLocalizedState(state);
updateStateString(state, msg,rid);
}
public synchronized static void updateStateString(String state, String msg, int resid) {
if (! "BYTECOUNT".equals(state)) {
mLaststate= state;
mLaststatemsg = msg;
mLastStateresid = resid;
}
for (StateListener sl : stateListener) {
sl.updateState(state,msg,resid);
}
}
public static void logInfo(String message) {
newlogItem(new LogItem(LogItem.INFO, message));
}
public static void logInfo(int ressourceId, Object... args) {
newlogItem(new LogItem(LogItem.INFO, ressourceId, args));
}
private static void newlogItem(LogItem logItem) {
logbuffer.addLast(logItem);
if(logbuffer.size()>MAXLOGENTRIES)
logbuffer.removeFirst();
for (LogListener ll : logListener) {
ll.newLog(logItem);
}
}
public static void logError(String msg) {
newlogItem(new LogItem(LogItem.ERROR, msg));
}
public static void logError(int ressourceId) {
newlogItem(new LogItem(LogItem.ERROR, ressourceId));
}
public static void logError(int ressourceId, Object... args) {
newlogItem(new LogItem(LogItem.ERROR, ressourceId,args));
}
}
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