Reliapack::Reliapack(char * data, int dataLength, int seqNum, Datapack *resp) {
numPackets = (dataLength + MAX_DATA_LENGTH - 1) /MAX_DATA_LENGTH;
numPackets = (numPackets == 0) ? 1 : numPackets; //can't have a length of 0
packets = new char *[numPackets];
lengths = new int[numPackets];
sequenceNum = seqNum;
int dataOffset = 0; //be careful with this variable
int bufLength = MAX_DATA_LENGTH + HEADER_LENGTH;
//this can be done to all packets
for(int i=0; i<numPackets; i++) {
if(i == (numPackets - 1)) //if this is the last packet, change the buffer length
bufLength = dataLength - dataOffset + HEADER_LENGTH;
int oldDataOffset = dataOffset;
//copy into buffer in DatagramPacket
packets[i] = new char[bufLength];
lengths[i] = bufLength;
for(int bufPlace=HEADER_LENGTH; bufPlace < bufLength; )
packets[i][bufPlace++] = data[dataOffset++];
setSeqNum(packets[i], seqNum);
setRetryNum(packets[i], 0);
setResponseSeqNum(packets[i], resp == 0 ? 0 : resp->getSequenceNumber());
setResponseRetryNum(packets[i], 0); //the retry number should only be set for ack packets
setOffset(packets[i], oldDataOffset);
setTotalLength(packets[i], dataLength);
}
memcpy(&address, resp->getAddress(), sizeof(struct sockaddr_in));
ftime(&lastEventTime);
}
// -- CREATE OBJECT ---------------------
DisconnectRespose::DisconnectRespose(KnxConnection* connection): KnxPacket::KnxPacket(connection)
{
// default
setType(KNX_PACKET_DISCONNECT_RESPONSE);
setTotalLength(8); // 8 bytes
conHeaderChanelID = &(connection->chanelId);
}
