package org.openmeetings.server.codec;
import java.nio.ByteBuffer;
import org.red5.logging.Red5LoggerFactory;
import org.slf4j.Logger;
import org.apache.mina.core.buffer.IoBuffer;
import org.apache.mina.core.session.IoSession;
import org.apache.mina.filter.codec.ProtocolEncoder;
import org.apache.mina.filter.codec.ProtocolEncoderOutput;
import org.openmeetings.app.remote.red5.ScopeApplicationAdapter;
import org.openmeetings.server.beans.ServerFrameBean;
import org.openmeetings.server.beans.ServerFrameCursorStatus;
import org.openmeetings.server.beans.ServerStatusBean;
import java.util.zip.*;
/**
* @author sebastianwagner
*
*/
public class ServerDesktopRequestEncoder implements ProtocolEncoder {
private static Logger log = Red5LoggerFactory.getLogger(ServerDesktopRequestEncoder.class, ScopeApplicationAdapter.webAppRootKey);
public void encode(IoSession session, Object message, ProtocolEncoderOutput out) throws Exception {
log.debug("DesktopRequestEncoder "+message.getClass().getName());
if (message instanceof ServerFrameBean) {
ServerFrameBean clientFrameBean = (ServerFrameBean) message;
Integer lengthPayload = clientFrameBean.getImageBytes().length;
byte[] securityTokenAsByte = clientFrameBean.getPublicSID().getBytes();
Integer lengthSecurityToken = securityTokenAsByte.length;
Integer frameSize = 4 * 8 + lengthSecurityToken + lengthPayload;
// log.debug("mode "+request.getMode());
// log.debug("sequenceNumber "+request.getSequenceNumber());
// log.debug("lengthSecurityToken "+lengthSecurityToken);
// log.debug("xValue "+xValue);
// log.debug("yValue "+yValue);
// log.debug("width "+width);
// log.debug("height "+height);
// log.debug("lengthPayload "+lengthPayload);
// log.debug("publicSID "+request.getPublicSID());
IoBuffer buffer = IoBuffer.allocate(frameSize, false);
//mode is weather 1(sharing) or 2(recording) or 3(sharing + recording)
buffer.put(this.convertIntToByteArray(clientFrameBean.getMode()));// 4 Byte
buffer.put(this.convertIntToByteArray(clientFrameBean.getSequenceNumber()));//4 Byte
buffer.put(this.convertIntToByteArray(lengthSecurityToken));//4 Byte
buffer.put(this.convertIntToByteArray(clientFrameBean.getXValue()));//4 Byte
buffer.put(this.convertIntToByteArray(clientFrameBean.getYValue()));//4 Byte
buffer.put(this.convertIntToByteArray(clientFrameBean.getWidth()));//4 Byte
buffer.put(this.convertIntToByteArray(clientFrameBean.getHeight()));//4 Byte
buffer.put(this.convertIntToByteArray(lengthPayload));//4 Byte
buffer.put(securityTokenAsByte);//32 Byte usually
buffer.put(clientFrameBean.getImageBytes());
// IoBuffer buffer = IoBuffer.allocate(12, false);
//
// buffer.putInt(request.getWidth());
//
// buffer.putInt(request.getHeight());
//
// buffer.putInt(request.getNumberOfCharacters());
//
// buffer.flip();
buffer.flip();
out.write(buffer);
} else if (message instanceof ServerStatusBean) {
ServerStatusBean clientStatusBean = (ServerStatusBean) message;
byte[] securityTokenAsByte = clientStatusBean.getPublicSID().getBytes();
Integer lengthSecurityToken = securityTokenAsByte.length;
Integer frameSize = 4 * 10 + lengthSecurityToken;
IoBuffer buffer = IoBuffer.allocate(frameSize, false);
//mode is weather 0(start) or 4(stop)
buffer.put(this.convertIntToByteArray(clientStatusBean.getMode()));// 4 Byte
buffer.put(this.convertIntToByteArray(0));//4 Byte
buffer.put(this.convertIntToByteArray(lengthSecurityToken));//4 Byte
buffer.put(this.convertIntToByteArray(clientStatusBean.getXValue()));//4 Byte
buffer.put(this.convertIntToByteArray(clientStatusBean.getYValue()));//4 Byte
buffer.put(this.convertIntToByteArray(clientStatusBean.getWidth()));//4 Byte
buffer.put(this.convertIntToByteArray(clientStatusBean.getHeight()));//4 Byte
buffer.put(this.convertIntToByteArray(0));//4 Byte => this data is not needed
buffer.put(securityTokenAsByte);//32 Byte usually
buffer.put(this.convertIntToByteArray(clientStatusBean.getTileWidth()));//4 Byte
buffer.put(this.convertIntToByteArray(clientStatusBean.getTileHeight()));//4 Byte
buffer.flip();
out.write(buffer);
} else if (message instanceof ServerFrameCursorStatus) {
ServerFrameCursorStatus cursorStatus = (ServerFrameCursorStatus) message;
byte[] securityTokenAsByte = cursorStatus.getPublicSID().getBytes();
Integer lengthSecurityToken = securityTokenAsByte.length;
Integer frameSize = 4 * 8 + lengthSecurityToken;
IoBuffer buffer = IoBuffer.allocate(frameSize, false);
log.debug("######################### 1Send Cursor Bean "+cursorStatus.getMode());
log.debug("######################### Send Cursor Bean");
log.debug("######################### Send Cursor Bean");
log.debug("######################### Send Cursor Bean");
log.debug("######################### Send Cursor Bean");
log.debug("######################### Send Cursor Bean");
log.debug("######################### Send Cursor Bean");
log.debug("######################### Send Cursor Bean");
log.debug("######################### Send Cursor Bean");
log.debug("######################### Send Cursor Bean");
log.debug("######################### Send Cursor Bean");
log.debug("######################### 9Send Cursor Bean");
//mode is 6
buffer.put(this.convertIntToByteArray(cursorStatus.getMode()));// 4 Byte
buffer.put(this.convertIntToByteArray(cursorStatus.getSequenceNumber()));//4 Byte
buffer.put(this.convertIntToByteArray(lengthSecurityToken));//4 Byte
buffer.put(this.convertIntToByteArray(cursorStatus.getX()));//4 Byte
buffer.put(this.convertIntToByteArray(cursorStatus.getY()));//4 Byte
buffer.put(this.convertIntToByteArray(0));//4 Byte
buffer.put(this.convertIntToByteArray(0));//4 Byte
buffer.put(this.convertIntToByteArray(0));//4 Byte => this data is not needed
buffer.put(securityTokenAsByte);//32 Byte usually
buffer.flip();
//out.write(buffer);
}
}
private byte[] convertIntToByteArray(int val) {
ByteBuffer buffer = ByteBuffer.allocate(4);
buffer.putInt(val);
return buffer.array();
}
public void dispose(IoSession session) throws Exception {
// nothing to dispose
}
}