void splitForSend(const INFPacket& src, PacketList& destList){
//clear out queue
destList.clear();
//segments
std::vector<Uint8> tmp;
tmp.reserve(maxSendSize);
size_t dataIndex = 0;
Uint16 len = 0;
Uint8 len_buff[2];
unsigned int remaining = 0;
while( dataIndex < src.data.size() ){
// Packet header
if( dataIndex == 0 ){
tmp.push_back(ControlByte::START.getVal() );
} else {
tmp.push_back(ControlByte::CONTINUE.getVal() );
}
// data
//minus 2 from maxSendSize for the START/END
//minus 2 again, becuase 2 bytes are used to store the length
// of this segment
//how much of the input data is left to be packed
remaining = src.data.size() - dataIndex;
//the length of the next segment
if( remaining > (maxSendSize-4) ){
len = (maxSendSize-4);
} else {
len = remaining;
}
//insert the length of this segment
SDLNet_Write16(len, len_buff);
tmp.push_back( len_buff[0] );
tmp.push_back( len_buff[1] );
//write the actual data
for(int i = 0; i < len; ++i){
tmp.push_back( src.data[dataIndex] );
++dataIndex;
}
// Packet footer
if( dataIndex == src.getLength() ){
tmp.push_back(ControlByte::END.getVal() );
} else {
tmp.push_back(ControlByte::WAIT_MORE.getVal() );
}
// Put the packet on the list
destList.push_back(tmp);
tmp.clear();
}
}
