//public long getMessageNumber() {
// return messageNumber;
//}
//public void setMessageNumber(long messageNumber) {
// this.messageNumber = messageNumber;
//}
//public long getTimeStamp() {
// return timeStamp;
//}
//public void setTimeStamp(long timeStamp) {
// this.timeStamp = timeStamp;
//}
//public long getDestinationID() {
// return destinationID;
//}
//public void setDestinationID(long destinationID) {
// this.destinationID = destinationID;
//}
/**
* return the header according to specification p.5
* @return
*/
byte[] GetHeader()
{
byte[] res = new byte[16];
Array.Copy(PacketUtil.EncodeControlPacketType(controlPacketType), 0, res, 0, 4);
Array.Copy(PacketUtil.Encode(GetAdditionalInfo()), 0, res, 4, 4);
Array.Copy(PacketUtil.Encode(timeStamp), 0, res, 8, 4);
Array.Copy(PacketUtil.Encode(destinationID), 0, res, 12, 4);
return(res);
}
/*
* aplivation data
* @param
*/
//public void setData(byte[] data) {
// this.data = data;
//}
//public long getPacketSequenceNumber() {
// return this.packetSequenceNumber;
//}
//public void setPacketSequenceNumber(long sequenceNumber) {
// this.packetSequenceNumber = sequenceNumber;
//}
////public long getMessageNumber() {
//// return this.messageNumber;
////}
////public void setMessageNumber(long messageNumber) {
//// this.messageNumber = messageNumber;
////}
//public long getDestinationID() {
// return this.destinationID;
//}
//public long getTimeStamp() {
// return this.timeStamp;
//}
//public void setDestinationID(long destinationID) {
// this.destinationID = destinationID;
//}
//public void setTimeStamp(long timeStamp) {
// this.timeStamp = timeStamp;
//}
/**
* complete header+data packet for transmission
*/
public byte[] GetEncoded()
{
//header.length is 16
byte[] result = new byte[16 + data.Length];
Array.Copy(PacketUtil.Encode(packetSequenceNumber), 0, result, 0, 4);
Array.Copy(PacketUtil.Encode(messageNumber), 0, result, 4, 4);
Array.Copy(PacketUtil.Encode(timeStamp), 0, result, 8, 4);
Array.Copy(PacketUtil.Encode(destinationID), 0, result, 12, 4);
Array.Copy(data, 0, result, 16, data.Length);
return(result);
}
//public long getMsgFirstSeqNo()
//{
// return msgFirstSeqNo;
//}
//public void setMsgFirstSeqNo(long msgFirstSeqNo)
//{
// this.msgFirstSeqNo = msgFirstSeqNo;
//}
//public long getMsgLastSeqNo()
//{
// return msgLastSeqNo;
//}
//public void setMsgLastSeqNo(long msgLastSeqNo)
//{
// this.msgLastSeqNo = msgLastSeqNo;
//}
public override byte[] EncodeControlInformation()
{
try
{
MemoryStream bos = new MemoryStream();
bos.Write(PacketUtil.Encode(msgFirstSeqNo), 0, 8);
bos.Write(PacketUtil.Encode(msgLastSeqNo), 0, 8);
return(bos.ToArray());
}
catch (Exception e)
{
// can't happen
return(null);
}
}
//public long getAckSequenceNumber() {
// return ackSequenceNumber;
//}
//public void setAckSequenceNumber(long ackSequenceNumber) {
// this.ackSequenceNumber = ackSequenceNumber;
//}
/**
* get the ack number (the number up to which all packets have been received (excluding))
* @return
*/
//public long getAckNumber() {
// return ackNumber;
//}
///**
// * set the ack number (the number up to which all packets have been received (excluding))
// * @param ackNumber
// */
//public void setAckNumber(long ackNumber) {
// this.ackNumber = ackNumber;
//}
/**
* get the round trip time (microseconds)
* @return
*/
//public long getRoundTripTime() {
// return roundTripTime;
//}
///**
// * set the round trip time (in microseconds)
// * @param RoundTripTime
// */
//public void setRoundTripTime(long RoundTripTime) {
// roundTripTime = RoundTripTime;
//}
/**
* set the variance of the round trip time (in microseconds)
* @param RoundTripTime
*/
//public void setRoundTripTimeVar(long roundTripTimeVar) {
// roundTripTimeVariance = roundTripTimeVar;
//}
//public long getRoundTripTimeVar() {
// return roundTripTimeVariance;
//}
//public long getBufferSize() {
// return bufferSize;
//}
//public void setBufferSize(long bufferSiZe) {
// this.bufferSize = bufferSiZe;
//}
//public long getPacketReceiveRate() {
// return pktArrivalSpeed;
//}
//public void setPacketReceiveRate(long packetReceiveRate) {
// this.pktArrivalSpeed = packetReceiveRate;
//}
//public long getEstimatedLinkCapacity() {
// return estimatedLinkCapacity;
//}
//public void setEstimatedLinkCapacity(long estimatedLinkCapacity) {
// this.estimatedLinkCapacity = estimatedLinkCapacity;
//}
public override byte[] EncodeControlInformation()
{
try {
MemoryStream bos = new MemoryStream();
bos.Write(PacketUtil.Encode(ackNumber), 0, 8);
bos.Write(PacketUtil.Encode(roundTripTime), 0, 8);
bos.Write(PacketUtil.Encode(roundTripTimeVariance), 0, 8);
bos.Write(PacketUtil.Encode(bufferSize), 0, 8);
bos.Write(PacketUtil.Encode(pktArrivalSpeed), 0, 8);
bos.Write(PacketUtil.Encode(estimatedLinkCapacity), 0, 8);
return(bos.ToArray());
} catch (Exception e) {
// can't happen
return(null);
}
}
public override byte[] EncodeControlInformation()
{
try {
MemoryStream bos = new MemoryStream(24);
byte[] buffer = null;
buffer = PacketUtil.Encode(udtVersion);
bos.Write(buffer, 0, buffer.Length);
buffer = PacketUtil.Encode(socketType);
bos.Write(buffer, 0, buffer.Length);
buffer = PacketUtil.Encode(initialSeqNo);
bos.Write(buffer, 0, buffer.Length);
buffer = PacketUtil.Encode(packetSize);
bos.Write(buffer, 0, buffer.Length);
buffer = PacketUtil.Encode(maxFlowWndSize);
bos.Write(buffer, 0, buffer.Length);
buffer = PacketUtil.Encode(connectionType);
bos.Write(buffer, 0, buffer.Length);
buffer = PacketUtil.Encode(socketID);
bos.Write(buffer, 0, buffer.Length);
buffer = PacketUtil.Encode(cookie);
bos.Write(buffer, 0, buffer.Length);
//bos.Write(PacketUtil.encode(socketType));
//bos.Write(PacketUtil.encode(initialSeqNo));
//bos.Write(PacketUtil.encode(packetSize));
//bos.Write(PacketUtil.encode(maxFlowWndSize));
//bos.Write(PacketUtil.encode(connectionType));
//bos.Write(PacketUtil.encode(socketID));
// bos.Write(PacketUtil.encode(cookie));//cd 2018-08-28
for (int i = 0; i < 4; i++)
{
buffer = PacketUtil.Encode(peerIP[i]);
bos.Write(buffer, 0, buffer.Length);
//bos.write(PacketUtil.encode(peerIP[i]));
}
buffer = bos.ToArray();
bos.Close();
return(buffer);
} catch (Exception e) {
// can't happen
return(null);
}
}