protected void createSockets()
{
if (sPipeApi == PIPE_API_LS)
{
const String LOCAL_ADDR = "net.majorkernelpanic.streaming-";
for (int i = 0; i < 10; i++)
{
try {
mSocketId = new Java.Util.Random().NextInt();
mLss = new LocalServerSocket(LOCAL_ADDR + mSocketId);
break;
} catch (Java.IO.IOException e1) {}
}
mReceiver = new LocalSocket();
mReceiver.Connect(new LocalSocketAddress(LOCAL_ADDR + mSocketId));
mReceiver.ReceiveBufferSize = 500000;
mReceiver.SoTimeout = 3000;
mSender = mLss.Accept();
mSender.SendBufferSize = 500000;
}
else
{
Log.e(TAG, "parcelFileDescriptors createPipe version = Lollipop");
mParcelFileDescriptors = ParcelFileDescriptor.CreatePipe();
mParcelRead = new ParcelFileDescriptor(mParcelFileDescriptors[0]);
mParcelWrite = new ParcelFileDescriptor(mParcelFileDescriptors[1]);
}
}
public MediaStream():base() {
IsStreaming = false;
try {
lss = new LocalServerSocket("localServer"+id);
} catch{
//throw new IOException("Can't create local socket !");
}
socketId = id;
id++;
}
public MediaStream() : base()
{
IsStreaming = false;
try {
lss = new LocalServerSocket("localServer" + id);
} catch {
//throw new IOException("Can't create local socket !");
}
socketId = id;
id++;
}
protected void closeSockets()
{
if (sPipeApi == PIPE_API_LS)
{
try {
mReceiver.Close();
} catch (Exception e) {
System.Diagnostics.Trace.WriteLine(e.StackTrace.ToString());
}
try {
mSender.Close();
} catch (Exception e) {
System.Diagnostics.Trace.WriteLine(e.StackTrace.ToString());
}
try {
mLss.Close();
} catch (Exception e) {
System.Diagnostics.Trace.WriteLine(e.StackTrace.ToString());
}
mLss = null;
mSender = null;
mReceiver = null;
}
else
{
try {
if (mParcelRead != null)
{
mParcelRead.Close();
}
} catch (Exception e) {
System.Diagnostics.Trace.WriteLine(e.StackTrace.ToString());
}
try {
if (mParcelWrite != null)
{
mParcelWrite.Close();
}
} catch (Exception e) {
System.Diagnostics.Trace.WriteLine(e.StackTrace.ToString());
}
}
}
protected override void onCreate(Bundle savedInstanceState)
{
var activity = this;
base.onCreate(savedInstanceState);
var sv = new ScrollView(this);
var ll = new LinearLayout(this);
ll.setOrientation(LinearLayout.VERTICAL);
sv.addView(ll);
var t = typeof(MemoryFile);
//var m = Activator.CreateInstance(t);
//E/AndroidRuntime( 4217): Caused by: java.lang.InstantiationException: class android.os.MemoryFile has no zero argument constructor
//E/AndroidRuntime( 4217): at java.lang.Class.newInstance(Class.java:1641)
//E/AndroidRuntime( 4217): at ScriptCoreLibJava.BCLImplementation.System.__Activator.CreateInstance(__Activator.java:27)
//E/AndroidRuntime( 4217): ... 14 more
//E/AndroidRuntime( 4217): Caused by: java.lang.NoSuchMethodException: <init> []
//E/AndroidRuntime( 4217): at java.lang.Class.getConstructor(Class.java:531)
//E/AndroidRuntime( 4217): at java.lang.Class.getDeclaredConstructor(Class.java:510)
//E/AndroidRuntime( 4217): at java.lang.Class.newInstance(Class.java:1639)
//E/AndroidRuntime( 4217): ... 15 more
var m_descriptor = 0;
var m_fd = default(java.io.FileDescriptor);
var pid = android.os.Process.myPid();
var uid = android.os.Process.myUid();
//try { m = new MemoryFile(default(string), 0); }
try { m = new MemoryFile("name1", 0x07); }
catch { throw; }
try
{
m.writeBytes(
new byte[] { 7, 6, 5, 4, 3, 2, 1 }, 0, 0, 0x07
);
}
catch { }
var buffer = new byte[0x07];
try
{
m.readBytes(buffer, 0, 0, 0x07);
}
catch { }
var buffer0 = buffer[0];
//new Button(this).AttachTo(ll).WithText(new { t, m, buffer0 }.ToString());
new Button(this).AttachTo(ll).WithText(new { buffer0 }.ToString());
#region fields
var fields = t.GetFields(
System.Reflection.BindingFlags.NonPublic | System.Reflection.BindingFlags.Instance
);
new Button(this).AttachTo(ll).WithText("fields: " + new { fields.Length }.ToString());
fields.WithEach(
SourceField =>
{
//E/AndroidRuntime( 9919): Caused by: java.lang.IllegalAccessException: Cannot access field: java.io.FileDescriptor android.os.MemoryFile.mFD
//E/AndroidRuntime( 9919): at java.lang.reflect.Field.get(Native Method)
//E/AndroidRuntime( 9919): at java.lang.reflect.Field.get(Field.java:279)
//E/AndroidRuntime( 9919): at ScriptCoreLibJava.BCLImplementation.System.Reflection.__FieldInfo.GetValue(__FieldInfo.java:46)
var value = SourceField.GetValue(m);
var xFileDescriptor = value as java.io.FileDescriptor;
if (xFileDescriptor != null)
{
m_fd = xFileDescriptor;
var xfields = typeof(java.io.FileDescriptor).GetFields(
System.Reflection.BindingFlags.NonPublic | System.Reflection.BindingFlags.Instance
);
xfields.WithEach(
xFileDescriptor_SourceField =>
{
var xvalue = xFileDescriptor_SourceField.GetValue(value);
//if (xFileDescriptor_SourceField.FieldType == typeof(int))
if (xFileDescriptor_SourceField.Name == "descriptor")
{
m_descriptor = (int)xvalue;
}
new Button(this).AttachTo(ll).WithText(xFileDescriptor_SourceField + new { xvalue }.ToString());
}
);
}
else
{
new Button(this).AttachTo(ll).WithText(new { SourceField, value }.ToString());
}
}
);
#endregion
//var pfd = default(android.os.ParcelFileDescriptor);
//try
//{
// pfd = android.os.ParcelFileDescriptor.dup(
// m_fd
// );
//}
//catch
//{
//}
new Button(activity).WithText("Next \n " + new
{
pid,
uid
//,
//pfd = pfd.getFd(),
//size = pfd.getStatSize()
}).AttachTo(ll).AtClick(
delegate
{
Intent intent = new Intent(activity, typeof(SecondaryActivity).ToClass());
intent.setFlags(Intent.FLAG_ACTIVITY_NO_HISTORY);
// share scope
intent.putExtra("m_descriptor", m_descriptor);
intent.putExtra("pid", pid);
//intent.putExtra("pfd", pfd);
//intent.setFlags(Intent.FLAG_ACTIVITY_CLEAR_TASK);
try
{
Console.WriteLine("new LocalServerSocket");
var ss = new LocalServerSocket("MemoryFileDescriptor0");
// cached backgroun process?
// switching to another process.. easy...
activity.startActivity(intent);
Console.WriteLine("before LocalServerSocket accept");
// http://alvinalexander.com/java/jwarehouse/android/core/tests/coretests/src/android/net/LocalSocketTest.java.shtml
var ls = ss.accept();
Console.WriteLine("after LocalServerSocket accept");
ls.setFileDescriptorsForSend(new[] { m_fd });
ls.getOutputStream().write(42);
}
catch
{
throw;
}
}
);
this.setContentView(sv);
// https://developer.android.com/training/run-background-service/create-service.html
}
