src/jlibrtp/RtcpPktSDES.java
changeset 214 2bf440c54ca5
parent 213 9bdff6cbd120
child 215 5db64229be69
--- a/src/jlibrtp/RtcpPktSDES.java	Thu May 28 14:26:06 2009 +0200
+++ /dev/null	Thu Jan 01 00:00:00 1970 +0000
@@ -1,237 +0,0 @@
-/**
- * Java RTP Library (jlibrtp)
- * Copyright (C) 2006 Arne Kepp
- * 
- * This library is free software; you can redistribute it and/or
- * modify it under the terms of the GNU Lesser General Public
- * License as published by the Free Software Foundation; either
- * version 2.1 of the License, or (at your option) any later version.
- *
- * This library is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
- * Lesser General Public License for more details.
- * 
- * You should have received a copy of the GNU Lesser General Public
- * License along with this library; if not, write to the Free Software
- * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA
- */
-package jlibrtp;
-
-import java.net.InetSocketAddress;
-
-/**
- * RTCP packets for Source Descriptions
- * 
- * @author Arne Kepp
- */
-public class RtcpPktSDES extends RtcpPkt {
-	/** Whether the RTP Session object should be inclduded */
-	boolean reportSelf = true;
-	/** The parent RTP Session object, holds participant database */
-	RTPSession rtpSession = null;
-	/** The participants to create SDES packets for */
-	protected Participant[] participants = null;
-	
-	/**
-	 * Constructor to create a new SDES packet
-	 * 
-	 * TODO:
-	 * Currently the added participants are not actually encoded
-	 * because the library lacks some support for acting as mixer or
-	 * relay in other areas.
-	 * 
-	 * @param reportThisSession include information from RTPSession as a participant
-	 * @param rtpSession the session itself
-	 * @param additionalParticipants additional participants to include
-	 */
-	protected RtcpPktSDES(boolean reportThisSession, RTPSession rtpSession, Participant[] additionalParticipants) {
-		super.packetType = 202;
-		// Fetch all the right stuff from the database
-		reportSelf = reportThisSession;
-		participants = additionalParticipants;
-		this.rtpSession = rtpSession; 
-	}
-	
-	/**
-	 * Constructor that parses a received packet
-	 * 
-	 * @param aRawPkt the byte[] containing the packet
-	 * @param start where in the byte[] this packet starts
-	 * @param socket the address from which the packet was received
-	 * @param partDb the participant database
-	 */
-	protected RtcpPktSDES(byte[] aRawPkt,int start, InetSocketAddress socket, ParticipantDatabase partDb) {
-		if(RTPSession.rtcpDebugLevel > 8) {
-			System.out.println("  -> RtcpPktSDES(byte[], ParticipantDabase)");
-		}
-		rawPkt = aRawPkt;
-
-		if(! super.parseHeaders(start) || packetType != 202 ) {
-			if(RTPSession.rtpDebugLevel > 2) {
-				System.out.println(" <-> RtcpPktSDES.parseHeaders() etc. problem");
-			}
-			super.problem = -202;
-		} else {
-			//System.out.println(" DECODE SIZE: " + super.length + " itemcount " + itemCount );
-			
-			int curPos = 4 + start;
-			int curLength;
-			int curType;
-			long ssrc;
-			boolean endReached = false;
-			boolean newPart;
-			this.participants = new Participant[itemCount];
-			
-			// Loop over SSRC SDES chunks
-			for(int i=0; i< itemCount; i++) {
-				ssrc = StaticProcs.bytesToUIntLong(aRawPkt, curPos);
-				Participant part = partDb.getParticipant(ssrc);
-				if(part == null) {
-					if(RTPSession.rtcpDebugLevel > 1) {
-						System.out.println("RtcpPktSDES(byte[], ParticipantDabase) adding new participant, ssrc:"+ssrc+" "+socket);
-					}
-					
-					part = new Participant(socket, socket , ssrc);
-					newPart = true;
-				} else {
-					newPart = false;
-				}
-				
-				curPos += 4;
-							
-				//System.out.println("PRE endReached " + endReached + " curPos: " + curPos + " length:" + this.length + (!endReached && (curPos/4) < this.length));
-				
-				while(!endReached && (curPos/4) <= this.length) {
-					//System.out.println("endReached " + endReached + " curPos: " + curPos + " length:" + this.length);
-					curType = (int) aRawPkt[curPos];
-					
-					if(curType == 0) {	
-						curPos += 4 - (curPos % 4);
-						endReached = true;
-					} else {
-						curLength  = (int) aRawPkt[curPos + 1];
-						//System.out.println("curPos:"+curPos+" curType:"+curType+" curLength:"+curLength+" read from:"+(curPos + 1));
-
-						if(curLength > 0) {
-							byte[] item = new byte[curLength];
-							//System.out.println("curPos:"+curPos+" arawPkt.length:"+aRawPkt.length+" curLength:"+curLength);
-							System.arraycopy(aRawPkt, curPos + 2, item, 0, curLength);
-							
-							switch(curType) {
-							case 1:  part.cname = new String(item); break;
-							case 2:  part.name = new String(item); break;
-							case 3:  part.email = new String(item); break;
-							case 4:  part.phone = new String(item); break;
-							case 5:  part.loc = new String(item); break;
-							case 6:  part.tool = new String(item); break;
-							case 7:  part.note = new String(item); break;
-							case 8:  part.priv = new String(item); break;
-							}
-							//System.out.println("TYPE " + curType + " value:" + new String(item) );
-							
-						} else {
-							switch(curType) {
-							case 1:  part.cname = null; break;
-							case 2:  part.name = null; break;
-							case 3:  part.email = null; break;
-							case 4:  part.phone = null; break;
-							case 5:  part.loc = null; break;
-							case 6:  part.tool = null; break;
-							case 7:  part.note = null; break;
-							case 8:  part.priv = null; break;
-							}
-							
-						}
-						curPos = curPos + curLength + 2;
-					}
-				}
-				
-				// Save the participant
-				this.participants[i] = part;
-				if(newPart)
-					partDb.addParticipant(2,part);
-				
-				//System.out.println("HEPPPPPP " + participants[i].cname );
-			}
-		}
-		if(RTPSession.rtcpDebugLevel > 8) {
-			System.out.println("  <- RtcpPktSDES()");
-		}
-	}
-
-	/**
-	 * Encode the packet into a byte[], saved in .rawPkt
-	 * 
-	 * CompRtcpPkt will call this automatically
-	 */
-	protected void encode() {	
-		byte[] temp = new byte[1450];
-		byte[] someBytes = StaticProcs.uIntLongToByteWord(this.rtpSession.ssrc);
-		System.arraycopy(someBytes, 0, temp, 4, 4);
-		int pos = 8;
-	
-		String tmpString = null;
-		for(int i=1; i<9;i++) {			
-			switch(i) {
-				case 1:  tmpString = this.rtpSession.cname; break;
-				case 2:  tmpString = this.rtpSession.name; break;
-				case 3:  tmpString = this.rtpSession.email; break;
-				case 4:  tmpString = this.rtpSession.phone; break;
-				case 5:  tmpString = this.rtpSession.loc; break;
-				case 6:  tmpString = this.rtpSession.tool; break;
-				case 7:  tmpString = this.rtpSession.note; break;
-				case 8:  tmpString = this.rtpSession.priv; break;
-			}
-			
-			if(tmpString != null) {
-				someBytes = tmpString.getBytes();
-				temp[pos] = (byte) i;
-				temp[pos+1] = (byte) someBytes.length;
-				System.arraycopy(someBytes, 0, temp, pos + 2, someBytes.length);
-				//System.out.println("i: "+i+" pos:"+pos+" someBytes.length:"+someBytes.length);
-				pos = pos + someBytes.length + 2;
-				//if(i == 1 ) {
-				//	System.out.println("trueeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeee" + tmpString);
-				//}
-			}
-		}
-		int leftover = pos % 4;
-		if(leftover == 1) {
-			temp[pos] = (byte) 0; 
-			temp[pos + 1] = (byte) 1; 
-			pos += 3;
-		} else if(leftover == 2) {
-			temp[pos] = (byte) 0; 
-			temp[pos + 1] = (byte) 0; 
-			pos += 2;
-		} else if(leftover == 3) {
-			temp[pos] = (byte) 0; 
-			temp[pos + 1] = (byte) 3; 
-			pos += 5;
-		}
-		
-		// TODO Here we ought to loop over participants, if we're doing SDES for other participants.
-		
-		super.rawPkt = new byte[pos];
-		itemCount = 1;
-		//This looks wrong, but appears to be fine..
-		System.arraycopy(temp, 0, super.rawPkt, 0, pos);
-		writeHeaders();
-	}
-	
-	/**
-	 * Debug purposes only
-	 */
-	public void debugPrint() {
-		System.out.println("RtcpPktSDES.debugPrint() ");
-		if(participants != null) {
-			for(int i= 0; i<participants.length; i++) {
-				Participant part = participants[i];
-				System.out.println("     part.ssrc: " + part.ssrc + "  part.cname: " + part.cname + " part.loc: " + part.loc);
-			}
-		} else {
-			System.out.println("     nothing to report (only valid for received packets)");
-		}
-	}
-}