From 40697a4790da441c869afbad82d994be85be6f9d Mon Sep 17 00:00:00 2001
From: Michael Gernoth <michael@gernoth.net>
Date: Fri, 20 May 2011 23:44:25 +0200
Subject: [PATCH] extract module from apk and load it from its filepath

---
 .../ms2debounce/DebounceModuleHelper.java     | 30 +++++++++++++++++--
 1 file changed, 28 insertions(+), 2 deletions(-)

diff --git a/MS2Debounce/src/de/rmdir/ms2debounce/DebounceModuleHelper.java b/MS2Debounce/src/de/rmdir/ms2debounce/DebounceModuleHelper.java
index 2f9804c..7a9f3de 100644
--- a/MS2Debounce/src/de/rmdir/ms2debounce/DebounceModuleHelper.java
+++ b/MS2Debounce/src/de/rmdir/ms2debounce/DebounceModuleHelper.java
@@ -15,14 +15,29 @@ public class DebounceModuleHelper
 	}
 
 	public void loadModule() {
+		loadModule(10);
+	}
+
+	public void loadModule(int delay) {
+		File debounce_ko = new File(ctx.getFilesDir() + "/debounce.ko");
+
 		extractModule();
 
+		// FIXME: Read settings from database...
+
 		try {
-			Process insmod = Runtime.getRuntime().exec(new String[]{"su","-c","/system/bin/insmod /system/lib/modules/debounce.ko"});
+			Process insmod = Runtime.getRuntime().exec(new String[]{"su","-c","/system/bin/insmod " + debounce_ko + " debounce_delay=" + delay});
 			insmod.waitFor();
 		} catch (Exception e) {}
 	}
 
+	public void unloadModule() {
+		try {
+			Process rmmod = Runtime.getRuntime().exec(new String[]{"su","-c","/system/bin/rmmod debounce"});
+			rmmod.waitFor();
+		} catch (Exception e) {}
+	}
+
 	public boolean isLoaded() {
 		return false;
 	}
@@ -36,10 +51,21 @@ 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) {}
 	}
 }
-- 
2.39.5