IdSet InputFrame::unpackIdSet(){
IdSet set;
uint32_t msize = unpackInt();
for(uint32_t i = 0; i < msize; ++i){
set.insert( unpackInt() );
}
return set;
}
IdMap InputFrame::unpackMap(){
IdMap map;
uint32_t msize = unpackInt();
for(uint32_t i = 0; i < msize; ++i){
uint32_t idx = unpackInt();
map[idx] = unpackInt();
}
return map;
}
VRDataQueue::serialData
VRNetInterface::waitForAndReceiveEventData(SOCKET socketID) {
// 1. receive 1-byte message header
waitForAndReceiveOneByte(socketID, EVENTS_MSG);
// 2. receive int that tells us the size of the data portion of the
// message in bytes
unsigned char buf1[VRNET_SIZEOFINT];
int status = receiveall(socketID, buf1, VRNET_SIZEOFINT);
if (status == -1) {
std::cerr << "NetInterface error: receiveall failed." << std::endl;
exit(1);
}
int dataSize = unpackInt(buf1);
//std::cout << "dataSize = " << dataSize << std::endl;
// 3. receive dataSize bytes, then decode these as InputEvents
unsigned char *buf2 = new unsigned char[dataSize+1];
status = receiveall(socketID, buf2, dataSize);
if ((status == -1) || (status != dataSize)) {
std::cerr << "NetInterface error: receiveall failed." << std::endl;
exit(1);
}
buf2[dataSize] = '\0';
std::string data(reinterpret_cast<const char*>(buf2));
delete buf2;
return data;
}
std::string InputFrame::unpackString(){
uint32_t len = unpackInt();
if ( unpackptr + len > size )
{
throw FrameException( fec_FrameError, "Not enough raw_data.to unpack string!" );
}
const char* pos = body_buffer + unpackptr;
unpackptr += len;
if ( pad_strings )
{
int pad = unpackptr % 4;
if ( pad != 0 )
{
if ( unpackptr + (4 - pad) > size )
{
throw FrameException( fec_FrameError, "Not enough raw_data.to unpack string padding!" );
}
unpackptr += 4-pad;
}
}
return std::string(pos, len);
}
std::string InputFrame::unpackString(){
uint32_t len = unpackInt();
if(unpackptr + len > data.length()){
throw FrameException( fec_FrameError, "Not enough data to unpack string!" );
}
const char* pos = data.c_str() + unpackptr;
unpackptr += len;
if(padstrings){
int pad = unpackptr % 4;
if(pad != 0){
if(unpackptr + (4 - pad) > data.length()){
throw FrameException( fec_FrameError, "Not enough data to unpack string padding!" );
}
unpackptr += 4-pad;
}
}
return std::string(pos, len);
}
/*! \brief Unpacks a string from the buffer.
\return The string unpacked.
*/
std::string Buffer::unpackString(){
uint32_t len = unpackInt();
uint32_t pad = 0;
if(stringpadding){
pad = 4 - (len % 4);
if(pad == 4)
pad = 0;
}
if (len >= 0 && datalen >= dataptr + len + pad) {
std::string rtnstr(data+dataptr, len);
dataptr += len + pad;
return rtnstr;
} else {
//Logger::getLogger()->debug("len < 0 or length < upackptr + len");
std::cerr << "Buffer::unpackString(): len < 0 or length < upackptr + len + pad" << std::endl;
std::cout << "len: " << len << " pad: " << pad << " length: " << datalen << " upackptr: " << dataptr << std::endl;
throw new std::exception();
}
//printf("unpackptr %d\n", unpackptr);
return std::string();
}
