]> cvs.zerfleddert.de Git - ms2-fixes/blobdiff - MS2Debounce/src/de/rmdir/ms2debounce/DebounceModuleHelper.java
don't try to unload module when it's not loaded, more logging
[ms2-fixes] / MS2Debounce / src / de / rmdir / ms2debounce / DebounceModuleHelper.java
index 2f9804cda64cdd463a55a1259dc21a7d106140f9..56698dcd95dc22f4ce219620490f5e52c901813c 100644 (file)
@@ -3,30 +3,416 @@ package de.rmdir.ms2debounce;
 import java.io.InputStream;
 import java.io.OutputStream;
 import java.io.File;
+import java.io.FileReader;
+import java.io.FileWriter;
+import java.io.BufferedReader;
+import java.io.BufferedWriter;
+import java.io.DataOutputStream;
 
 import android.content.Context;
+import android.content.SharedPreferences;
+import android.util.Log;
 
 public class DebounceModuleHelper
 {
        private Context ctx;
+       public static final String PREFS_NAME = "DebounceCfg";
+       final int SUPERUSER_REQUEST = 4223;
+
+       private static final String TAG = "DebounceModuleHelper";
 
        public DebounceModuleHelper(Context context) {
                ctx = context;
        }
 
-       public void loadModule() {
-               extractModule();
+       public void setAllValues() {
+               setDelay(getSavedDelay());
+               setSettle(getSavedSettle());
+               setPoll(getSavedPoll());
+               setHwDebounce(getSavedHwDebounce());
+               setHwDebounceTime(getSavedHwDebounceTime());
+               //setDriveInactive(getSavedDriveInactive());
+               setActiveHigh(getSavedActiveHigh());
+       }
+
+       public boolean loadModule() throws NotRootedException,ShellException {
+               if (!_loadModule())
+                       return false;
+
+               setAllValues();
+
+               return true;
+       }
+
+       protected void runAsRoot(String command) throws NotRootedException,ShellException {
+               Process rootcmd;
+
+               Log.i(TAG, "Running as root: " + command);
+               try {
+                       rootcmd = Runtime.getRuntime().exec(new String[]{"su","-c","sh"});
+               } catch (java.io.IOException e) {
+                       Log.e(TAG, "Got IOException: " + e.getMessage() + " (" + e.getCause() + ")");
+                       throw new NotRootedException();
+               }
+
+               try {
+                       DataOutputStream sh = new DataOutputStream(rootcmd.getOutputStream());
+                       sh.writeBytes(command + "\n");
+                       sh.writeBytes("exit\n");
+                       sh.flush();
+                       sh.close();
+               } catch (java.io.IOException e) {
+                       Log.e(TAG, "Got IOException: " + e.getMessage() + " (" + e.getCause() + ")");
+                       throw new ShellException();
+               }
 
                try {
-                       Process insmod = Runtime.getRuntime().exec(new String[]{"su","-c","/system/bin/insmod /system/lib/modules/debounce.ko"});
-                       insmod.waitFor();
+                       int r = rootcmd.waitFor();
+
+                       if (r != 0) {
+                               Log.e(TAG, "Process returned: " + r);
+                               throw new ShellException();
+                       }
+               } catch (java.lang.InterruptedException e) {
+                       Log.e(TAG, "Got InterruptedException: " + e.getMessage() + " (" + e.getCause() + ")");
+                       throw new ShellException();
+               }
+
+               Log.i(TAG, "Process executed successfully");
+       }
+
+       public synchronized boolean _loadModule() throws NotRootedException,ShellException {
+               Log.i(TAG, "Loading module");
+
+               if (isLoaded()) {
+                       Log.i(TAG, "Module already loaded");
+                       return true;
+               }
+
+               File insmod = new File("/system/bin/insmod");
+               if (!insmod.exists()) {
+                       insmod = new File("/system/xbin/insmod");
+                       if (!insmod.exists()) {
+                               Log.e(TAG, "insmod not found");
+                               return false;
+                       }
+               }
+
+               File debounce_ko = new File("/system/lib/modules/debounce.ko");
+               if (!debounce_ko.exists()) {
+                       debounce_ko = new File(ctx.getFilesDir() + "/debounce.ko");
+
+                       extractModule();
+               }
+
+               SharedPreferences settings = ctx.getSharedPreferences(PREFS_NAME, Context.MODE_PRIVATE);
+               SharedPreferences.Editor editor = settings.edit();
+               if (is_safe_to_load()) {
+                       editor.putBoolean("safe_to_load", false);
+                       editor.commit();
+               }
+
+               runAsRoot(insmod + " " + debounce_ko);
+
+               int cnt = 10;
+               while ((!isLoaded()) && (cnt > 0)) {
+                       try {
+                               Thread.sleep(100);
+                       } catch (Exception e) {
+                               Log.e(TAG, "Got Exception: " + e.getMessage() + " (" + e.getCause() + ")");
+                               return false;
+                       }
+                       cnt--;
+               }
+
+               if (!isLoaded()) {
+                       Log.e(TAG, "Module doesn't appear to be correctly loaded");
+                       return false;
+               }
+
+               if (getDelay() < 0) {
+                       return false;
+               }
+
+               /* Module was obviously loaded, so it is safe to load on boot */
+               editor.putBoolean("safe_to_load", true);
+               editor.commit();
+
+               Log.i(TAG, "Module loaded successfully");
+               return true;
+       }
+
+       public synchronized void unloadModule() throws NotRootedException,ShellException {
+               Log.i(TAG, "Unloading module");
+
+               if (!isLoaded()) {
+                       Log.i(TAG, "Module not loaded");
+                       return;
+               }
+
+               File rmmod = new File("/system/bin/rmmod");
+
+               if (!rmmod.exists()) {
+                       rmmod = new File("/system/xbin/rmmod");
+                       if (!rmmod.exists()) {
+                               Log.e(TAG, "rmmod not found");
+                               return;
+                       }
+               }
+
+               runAsRoot(rmmod + " debounce");
+       }
+
+       public synchronized boolean isLoaded() {
+               boolean loaded = false;
+
+               try {
+                       String read;
+
+                       FileReader modules = new FileReader("/proc/modules");
+                       BufferedReader modules_buf = new BufferedReader(modules);
+
+                       while((read = modules_buf.readLine()) != null) {
+                               if (read.regionMatches(0, "debounce", 0, 8)) {
+                                       File sysdir = new File("/sys/devices/debounce");
+                                       if (sysdir.exists() && sysdir.isDirectory()) {
+                                               loaded = true;
+                                               break;
+                                       }
+                               }
+                       }
+               } catch (Exception e) {
+                       loaded = false;
+               }
+
+               return loaded;
+       }
+
+       private synchronized int getValue(String parameter) {
+               int value = -1;
+
+               try {
+                       String read;
+
+                       FileReader fr = new FileReader("/sys/devices/debounce/" + parameter);
+                       BufferedReader fbuf = new BufferedReader(fr);
+
+                       read = fbuf.readLine();
+                       if (read != null) {
+                               value = Integer.parseInt(read.trim());
+                       }
+
+                       fbuf.close();
                } catch (Exception e) {}
+
+               return value;
        }
 
-       public boolean isLoaded() {
+       private synchronized void setValue(String parameter, int value) {
+               if (!isLoaded()) {
+                       return;
+               }
+
+               try {
+                       FileWriter fw = new FileWriter("/sys/devices/debounce/" + parameter);
+                       BufferedWriter fbuf = new BufferedWriter(fw);
+
+                       fbuf.write((new Integer(value)).toString());
+
+                       fbuf.close();
+               } catch (Exception e) {}
+       }
+
+       public synchronized int getDelay() {
+               return getValue("debounce_delay");
+       }
+
+       public synchronized void setDelay(int debounce_delay) {
+               setValue("debounce_delay", debounce_delay);
+       }
+
+       public synchronized int getSettle() {
+               return getValue("settle_time");
+       }
+
+       public synchronized void setSettle(int settle_time) {
+               setValue("settle_time", settle_time);
+       }
+
+       public synchronized int getPoll() {
+               return getValue("poll_time");
+       }
+
+       public synchronized void setPoll(int poll_time) {
+               setValue("poll_time", poll_time);
+       }
+
+       public synchronized boolean getHwDebounce() {
+               if (getValue("hw_debounce") == 1)
+                       return true;
+
+               return false;
+       }
+
+       public synchronized void setHwDebounce(boolean enable) {
+               if (enable)
+                       setValue("hw_debounce", 1);
+               else
+                       setValue("hw_debounce", 0);
+       }
+
+       public synchronized int getHwDebounceTime() {
+               return getValue("hw_debounce_time");
+       }
+
+       public synchronized void setHwDebounceTime(int time) {
+               setValue("hw_debounce_time", time);
+       }
+
+       public synchronized boolean getDriveInactive() {
+               if (getValue("drive_inactive_flag") == 1)
+                       return true;
+
+               return false;
+       }
+
+       public synchronized void setDriveInactive(boolean enable) {
+               if (enable)
+                       setValue("drive_inactive_flag", 1);
+               else
+                       setValue("drive_inactive_flag", 0);
+       }
+
+       public synchronized boolean getActiveHigh() {
+               if (getValue("active_high_flag") == 1)
+                       return true;
+
                return false;
        }
 
+       public synchronized void setActiveHigh(boolean enable) {
+               if (enable)
+                       setValue("active_high_flag", 1);
+               else
+                       setValue("active_high_flag", 0);
+       }
+
+       public synchronized int getSavedDelay() {
+               SharedPreferences settings = ctx.getSharedPreferences(PREFS_NAME, Context.MODE_PRIVATE);
+
+               return settings.getInt("debounce_delay", 15);
+       }
+
+       public synchronized void setSavedDelay(int delay) {
+               SharedPreferences settings = ctx.getSharedPreferences(PREFS_NAME, Context.MODE_PRIVATE);
+               SharedPreferences.Editor editor = settings.edit();
+
+               editor.putInt("debounce_delay", delay);
+               editor.commit();
+       }
+
+       public synchronized int getSavedSettle() {
+               SharedPreferences settings = ctx.getSharedPreferences(PREFS_NAME, Context.MODE_PRIVATE);
+
+               return settings.getInt("settle_time", 40);
+       }
+
+       public synchronized void setSavedSettle(int settle) {
+               SharedPreferences settings = ctx.getSharedPreferences(PREFS_NAME, Context.MODE_PRIVATE);
+               SharedPreferences.Editor editor = settings.edit();
+
+               editor.putInt("settle_time", settle);
+               editor.commit();
+       }
+
+       public synchronized int getSavedPoll() {
+               SharedPreferences settings = ctx.getSharedPreferences(PREFS_NAME, Context.MODE_PRIVATE);
+
+               return settings.getInt("poll_time", 20);
+       }
+
+       public synchronized void setSavedPoll(int poll) {
+               SharedPreferences settings = ctx.getSharedPreferences(PREFS_NAME, Context.MODE_PRIVATE);
+               SharedPreferences.Editor editor = settings.edit();
+
+               editor.putInt("poll_time", poll);
+               editor.commit();
+       }
+
+       public synchronized boolean getSavedHwDebounce() {
+               SharedPreferences settings = ctx.getSharedPreferences(PREFS_NAME, Context.MODE_PRIVATE);
+
+               return settings.getBoolean("hw_debounce", false);
+       }
+
+       public synchronized void setSavedHwDebounce(boolean enable) {
+               SharedPreferences settings = ctx.getSharedPreferences(PREFS_NAME, Context.MODE_PRIVATE);
+               SharedPreferences.Editor editor = settings.edit();
+
+               editor.putBoolean("hw_debounce", enable);
+               editor.commit();
+       }
+
+       public synchronized int getSavedHwDebounceTime() {
+               SharedPreferences settings = ctx.getSharedPreferences(PREFS_NAME, Context.MODE_PRIVATE);
+
+               return settings.getInt("hw_debounce_time", 1);
+       }
+
+       public synchronized void setSavedHwDebounceTime(int time) {
+               SharedPreferences settings = ctx.getSharedPreferences(PREFS_NAME, Context.MODE_PRIVATE);
+               SharedPreferences.Editor editor = settings.edit();
+
+               editor.putInt("hw_debounce_time", time);
+               editor.commit();
+       }
+
+       public synchronized boolean getSavedDriveInactive() {
+               SharedPreferences settings = ctx.getSharedPreferences(PREFS_NAME, Context.MODE_PRIVATE);
+
+               return settings.getBoolean("drive_inactive", false);
+       }
+
+       public synchronized void setSavedDriveInactive(boolean enable) {
+               SharedPreferences settings = ctx.getSharedPreferences(PREFS_NAME, Context.MODE_PRIVATE);
+               SharedPreferences.Editor editor = settings.edit();
+
+               editor.putBoolean("drive_inactive", enable);
+               editor.commit();
+       }
+
+       public synchronized boolean getSavedActiveHigh() {
+               SharedPreferences settings = ctx.getSharedPreferences(PREFS_NAME, Context.MODE_PRIVATE);
+
+               return settings.getBoolean("active_high", false);
+       }
+
+       public synchronized void setSavedActiveHigh(boolean enable) {
+               SharedPreferences settings = ctx.getSharedPreferences(PREFS_NAME, Context.MODE_PRIVATE);
+               SharedPreferences.Editor editor = settings.edit();
+
+               editor.putBoolean("active_high", enable);
+               editor.commit();
+       }
+
+       public synchronized boolean is_safe_to_load() {
+               SharedPreferences settings = ctx.getSharedPreferences(PREFS_NAME, Context.MODE_PRIVATE);
+               return settings.getBoolean("safe_to_load", false);
+       }
+
+       public synchronized boolean get_on_boot() {
+               SharedPreferences settings = ctx.getSharedPreferences(PREFS_NAME, Context.MODE_PRIVATE);
+               return settings.getBoolean("on_boot", false);
+       }
+
+       public synchronized void set_on_boot(boolean on_boot) {
+               SharedPreferences settings = ctx.getSharedPreferences(PREFS_NAME, Context.MODE_PRIVATE);
+               SharedPreferences.Editor editor = settings.edit();
+
+               editor.putBoolean("on_boot", on_boot);
+               editor.commit();
+       }
+
        private synchronized void extractModule() {
                File debounce_ko = new File(ctx.getFilesDir() + "/debounce.ko");
 
@@ -36,10 +422,21 @@ public class DebounceModuleHelper
 
                try {
                        InputStream apk = ctx.getAssets().open("debounce.ko");
-                       OutputStream mod = ctx.openFileOutput("debounce.ko", 0);
+                       OutputStream mod = ctx.openFileOutput("debounce.ko.tmp", 0);
+
+                       //I assume a page is 4k...
+                       byte buf[] = new byte[4096];
+                       int bytes;
+
+                       while((bytes = apk.read(buf)) != -1) {
+                               mod.write(buf, 0, bytes);
+                       }
 
                        apk.close();
                        mod.close();
+
+                       File tmpfile = new File(debounce_ko + ".tmp");
+                       tmpfile.renameTo(debounce_ko);
                } catch (Exception e) {}
        }
 }
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