uint64 CFileDataIO::GetIntTagValue() const {
uint8 type = ReadUInt8();
ReadString(false);
switch (type) {
case TAGTYPE_UINT64:
return ReadUInt64();
break;
case TAGTYPE_UINT32:
return ReadUInt32();
break;
case TAGTYPE_UINT16:
return ReadUInt16();
break;
case TAGTYPE_UINT8:
return ReadUInt8();
break;
default:
throw wxString(wxT("Wrong tag type reading int tag"));
}
}
OSCL_EXPORT_REF uint16 BitStreamParser::ReadUInt16(void)
{
uint16 read;
((uint8*)&read)[0] = ReadUInt8();
((uint8*)&read)[1] = ReadUInt8();
big_endian_to_host((char*)&read, sizeof(read));
return read;
}
bool AtomAFRT::ReadData() {
//FINEST("AFRT");
if (!ReadUInt32(_timeScale)) {
FATAL("Unable to read _timeScale");
return false;
}
//FINEST("_timeScale: %"PRIu32, _timeScale);
if (!ReadUInt8(_qualityEntryCount)) {
FATAL("Unable to read _qualityEntryCount");
return false;
}
//FINEST("_qualityEntryCount: %"PRIu8, _qualityEntryCount);
for (uint8_t i = 0; i < _qualityEntryCount; i++) {
string temp;
if (!ReadNullTerminatedString(temp)) {
FATAL("Unable to read QualitySegmentUrlModifiers");
return false;
}
//FINEST("%"PRIu8": QualitySegmentUrlModifiers: %s", i, STR(temp));
ADD_VECTOR_END(_qualitySegmentUrlModifiers, temp);
}
if (!ReadUInt32(_fragmentRunEntryCount)) {
FATAL("Unable to read _fragmentRunEntryCount");
return false;
}
//FINEST("_fragmentRunEntryCount: %"PRIu32, _fragmentRunEntryCount);
for (uint32_t i = 0; i < _fragmentRunEntryCount; i++) {
FRAGMENTRUNENTRY temp = {0, 0, 0, 0};
if (!ReadUInt32(temp.firstFragment)) {
FATAL("Unable to read FRAGMENTRUNENTRY.FirstFragment");
return false;
}
if (!ReadUInt64(temp.firstFragmentTimestamp)) {
FATAL("Unable to read FRAGMENTRUNENTRY.FirstFragmentTimestamp");
return false;
}
if (!ReadUInt32(temp.fragmentDuration)) {
FATAL("Unable to read FRAGMENTRUNENTRY.FragmentDuration");
return false;
}
if (temp.fragmentDuration == 0) {
if (!ReadUInt8(temp.discontinuityIndicator)) {
FATAL("Unable to read FRAGMENTRUNENTRY.DiscontinuityIndicator");
return false;
}
}
//FINEST("%"PRIu32": FRAGMENTRUNENTRY.FirstFragment: %"PRIu32"; FRAGMENTRUNENTRY.FirstFragmentTimestamp: %"PRIu64"; FRAGMENTRUNENTRY.FragmentDuration: %"PRIu32"; FRAGMENTRUNENTRY.DiscontinuityIndicator: %"PRIu8,
// i, temp.firstFragment, temp.firstFragmentTimestamp, temp.fragmentDuration, temp.discontinuityIndicator);
ADD_VECTOR_END(_fragmentRunEntryTable, temp);
}
return true;
}
std::string BinaryStream::ReadSmallString()
{
if(myGetPos+1 > myBuffer.size())
{
myGetPos = myBuffer.size();
return "";
}
uint8_t size = ReadUInt8();
if(myGetPos+size+1 > myBuffer.size())
{
myGetPos = myBuffer.size();
return "";
}
bool nowrite = false;
std::string ret;
for(uint8_t i = 0; i < size; i++)
{
if(myBuffer[myGetPos] == 0) nowrite = true;
else if(!nowrite) ret += myBuffer[myGetPos];
myGetPos++;
}
myGetPos++;
return ret;
}
unsigned char* CFileDataIO::ReadBsob(uint8* puSize) const
{
MULE_VALIDATE_PARAMS(puSize, wxT("NULL pointer argument in ReadBsob"));
*puSize = ReadUInt8();
CScopedArray<unsigned char> bsob(*puSize);
Read(bsob.get(), *puSize);
return bsob.release();
}
void CFileDataIO::ReadTagPtrList(TagPtrList* taglist, bool bOptACP) const
{
MULE_VALIDATE_PARAMS(taglist, wxT("NULL pointer argument in ReadTagPtrList"));
uint32 count = ReadUInt8();
for (uint32 i = 0; i < count; i++)
{
CTag* tag = ReadTag(bOptACP);
taglist->push_back(tag);
}
}
bool BaseAtom::ReadNullTerminatedString(string &val) {
val = "";
uint8_t c = 0;
do {
if (!ReadUInt8(c)) {
FATAL("Unable to read character");
return false;
}
if (c != 0)
val += (char) c;
} while (c != 0);
return true;
}
bool VersionedAtom::Read() {
if (!ReadUInt8(_version)) {
FATAL("Unable to read version");
return false;
}
//FINEST("_version: %"PRIu8, _version);
if (!ReadArray(_flags, 3)) {
FATAL("Unable to read flags");
return false;
}
//FINEST("_flags: %"PRIx8"%"PRIx8"%"PRIx8, _flags[0], _flags[1], _flags[2]);
return ReadData();
}
Int32 BinaryReader::Read7BitEncodedInt32()
{
// TODO: Protect against forever while loop (ref: .NET impl)
int count = 0;
int shift = 0;
int b;
do
{
b = ReadUInt8();
count |= (b & 0x7F) << shift;
shift += 7;
}
while ((b & 0x80) != 0);
return count;
}
bool VersionedBoxAtom::Read() {
if (!ReadUInt8(_version)) {
FATAL("Unable to read version");
return false;
}
if (!ReadArray(_flags, 3)) {
FATAL("Unable to read flags");
return false;
}
if (!ReadData()) {
FATAL("Unable to read data");
return false;
}
return BoxAtom::Read();
}
MR_UInt32 ClassicObjStream::ReadStringLength()
{
MR_UInt8 b;
ReadUInt8(b);
if (b < 0xff) return b;
MR_UInt16 w;
ReadUInt16(w);
if (w == 0xfffe) {
// Unicode (length follows).
ASSERT(FALSE);
throw std::exception();
}
else if (w == 0xffff) {
MR_UInt32 dw;
ReadUInt32(dw);
return dw;
}
else {
return w;
}
}
CTag *CFileDataIO::ReadTag(bool bOptACP) const
{
CTag *retVal = NULL;
wxString name;
byte type = 0;
try {
type = ReadUInt8();
name = ReadString(false);
switch (type)
{
// NOTE: This tag data type is accepted and stored only to give us the possibility to upgrade
// the net in some months.
//
// And still.. it doesnt't work this way without breaking backward compatibility. To properly
// do this without messing up the network the following would have to be done:
// - those tag types have to be ignored by any client, otherwise those tags would also be sent (and
// that's really the problem)
//
// - ignoring means, each client has to read and right throw away those tags, so those tags get
// get never stored in any tag list which might be sent by that client to some other client.
//
// - all calling functions have to be changed to deal with the 'nr. of tags' attribute (which was
// already parsed) correctly.. just ignoring those tags here is not enough, any taglists have to
// be built with the knowledge that the 'nr. of tags' attribute may get decreased during the tag
// reading..
//
// If those new tags would just be stored and sent to remote clients, any malicious or just bugged
// client could let send a lot of nodes "corrupted" packets...
//
case TAGTYPE_HASH16:
{
retVal = new CTagHash(name, ReadHash());
break;
}
case TAGTYPE_STRING:
retVal = new CTagString(name, ReadString(bOptACP));
break;
case TAGTYPE_UINT64:
retVal = new CTagInt64(name, ReadUInt64());
break;
case TAGTYPE_UINT32:
retVal = new CTagInt32(name, ReadUInt32());
break;
case TAGTYPE_UINT16:
retVal = new CTagInt16(name, ReadUInt16());
break;
case TAGTYPE_UINT8:
retVal = new CTagInt8(name, ReadUInt8());
break;
case TAGTYPE_FLOAT32:
retVal = new CTagFloat(name, ReadFloat());
break;
// NOTE: This tag data type is accepted and stored only to give us the possibility to upgrade
// the net in some months.
//
// And still.. it doesnt't work this way without breaking backward compatibility
case TAGTYPE_BSOB:
{
uint8 size = 0;
CScopedArray<unsigned char> value(ReadBsob(&size));
retVal = new CTagBsob(name, value.get(), size);
break;
}
default:
throw wxString(CFormat(wxT("Invalid Kad tag type; type=0x%02x name=%s\n")) % type % name);
}
} catch(const CMuleException& e) {
AddLogLineN(e.what());
delete retVal;
throw;
} catch(const wxString& e) {
AddLogLineN(e);
throw;
}
return retVal;
}
int8_t ReadInt8() { return (int8_t)ReadUInt8(); }
bool AtomAFRA::ReadData() {
//FINEST("AFRA");
if (!ReadUInt8(_flags)) {
FATAL("Unable to read flags");
return false;
}
//FINEST("flags: %" PRIu8, _flags);
if (!ReadUInt32(_timeScale)) {
FATAL("Unable to read timeScale");
return false;
}
//FINEST("_timeScale: %" PRIu32, _timeScale);
if (!ReadUInt32(_entryCount)) {
FATAL("Unable to read entryCount");
return false;
}
//FINEST("_entryCount: %" PRIu32, _entryCount);
bool longOffsets = (_flags >> 6)&0x01;
bool longIds = (_flags >> 7)&0x01;
bool globalEntries = (_flags >> 5)&0x01;
for (uint32_t i = 0; i < _entryCount; i++) {
AFRAENTRY temp = {0, 0};
if (!ReadUInt64(temp.time)) {
FATAL("Unable to read AFRAENTRY.Time");
return false;
}
if (longOffsets) {
if (!ReadUInt64(temp.offset)) {
FATAL("Unable to read AFRAENTRY.Offset");
return false;
}
} else {
uint32_t ui32;
if (!ReadUInt32(ui32)) {
FATAL("Unable to read AFRAENTRY.Offset");
return false;
}
temp.offset = ui32;
}
//FINEST("%" PRIu32 ": AFRAENTRY.Time: %" PRIu64 "; AFRAENTRY.Offset: %" PRIu64, i, temp.time, temp.offset);
ADD_VECTOR_END(_localAccessEntries, temp);
}
if (globalEntries) {
if (!ReadUInt32(_globalEntryCount)) {
FATAL("Unable to read globalEntryCount");
return false;
}
for (uint32_t i = 0; i < _entryCount; i++) {
GLOBALAFRAENTRY temp = {0, 0, 0, 0, 0};
if (!ReadUInt64(temp.time)) {
FATAL("Unable to read AFRAENTRY.Time");
return false;
}
//Segment,fragment
if (longIds) {
if (!ReadUInt32(temp.segment)) {
FATAL("Unable to read GLOBALAFRAENTRY.Segment");
return false;
}
if (!ReadUInt32(temp.fragment)) {
FATAL("Unable to read GLOBALAFRAENTRY.Fragment");
return false;
}
} else {
uint16_t ui16;
if (!ReadUInt16(ui16)) {
FATAL("Unable to read GLOBALAFRAENTRY.Segment");
return false;
}
temp.segment = ui16;
if (!ReadUInt16(ui16)) {
FATAL("Unable to read GLOBALAFRAENTRY.Fragment");
return false;
}
temp.fragment = ui16;
}
//AfraOffset, OffsetFromAfra
if (longOffsets) {
if (!ReadUInt64(temp.afraOffset)) {
FATAL("Unable to read GLOBALAFRAENTRY.AfraOffset");
return false;
}
if (!ReadUInt64(temp.offsetFromAfra)) {
FATAL("Unable to read GLOBALAFRAENTRY.OffsetFromAfra");
return false;
}
} else {
uint32_t ui32;
if (!ReadUInt32(ui32)) {
FATAL("Unable to read GLOBALAFRAENTRY.AfraOffset");
return false;
}
temp.afraOffset = ui32;
if (!ReadUInt32(ui32)) {
FATAL("Unable to read GLOBALAFRAENTRY.OffsetFromAfra");
return false;
}
temp.offsetFromAfra = ui32;
}
// FINEST("%" PRIu32 ": GLOBALAFRAENTRY.Time: %" PRIu64 "; GLOBALAFRAENTRY.Segment: %" PRIu32 "; GLOBALAFRAENTRY.Fragment: %" PRIu32 "; GLOBALAFRAENTRY.AfraOffset: %" PRIu64 "; GLOBALAFRAENTRY.OffsetFromAfra: %" PRIu64,
// i, temp.time, temp.segment, temp.fragment, temp.afraOffset, temp.offsetFromAfra);
ADD_VECTOR_END(_globalAccessEntries, temp);
}
}
//FINEST("%02" PRIx8 "; timeScale: %" PRIu32 "; entryCount: %" PRIu32 "; globalEntryCount: %" PRIu32,
// _flags, _timeScale, _entryCount, _globalEntryCount);
return true;
}
void BinaryStream::ReadData(void* where, uint32_t size)
{
uint8_t* data = (uint8_t*)where;
for(uint32_t i = 0; i < size; i++)
data[i] = ReadUInt8();
}
bool AtomDATA::Read() {
//1. Read the type
if (!ReadUInt32(_type)) {
FATAL("Unable to read type");
return false;
}
//2. Read unknown 4 bytes
if (!ReadUInt32(_unknown)) {
FATAL("Unable to read type");
return false;
}
switch (_type) {
case 1:
{
//Single string
if (!ReadString(_dataString, GetSize() - 8 - 8)) {
FATAL("Unable to read string");
return false;
}
return true;
}
case 0:
{
//many uint16_t
uint64_t count = (GetSize() - 8 - 8) / 2;
for (uint64_t i = 0; i < count; i++) {
uint16_t val;
if (!ReadUInt16(val)) {
FATAL("Unable to read value");
return false;
}
ADD_VECTOR_END(_dataUI16, val);
}
return true;
}
case 21:
{
//many uint8_t
uint64_t count = GetSize() - 8 - 8;
for (uint64_t i = 0; i < count; i++) {
uint8_t val;
if (!ReadUInt8(val)) {
FATAL("Unable to read value");
return false;
}
ADD_VECTOR_END(_dataUI8, val);
}
return true;
}
case 14:
case 15:
{
if (!ReadString(_dataImg, GetSize() - 8 - 8)) {
FATAL("Unable to read data");
return false;
}
return true;
}
default:
{
FATAL("Type %u not yet implemented", _type);
return false;
}
}
}
bool BinaryFP::ReadBool() { return ReadUInt8() != 0; }
char BinaryFP::ReadInt8() { return (char)ReadUInt8(); }
