std::vector<uint8> CPacketUtils::ReadPacket(Framework::CMemStream& stream)
{
std::vector<uint8> result;
if(!CPacketUtils::HasPacket(stream))
{
assert(0);
return result;
}
stream.Seek(0, Framework::STREAM_SEEK_SET);
PACKETHEADER header;
stream.Read(&header, sizeof(PACKETHEADER));
if(header.packetSize < sizeof(PACKETHEADER))
{
//Invalid packet
CLog::GetInstance().LogError(LOG_NAME, "Packet size in header is invalid.\r\n");
return result;
}
stream.Seek(0, Framework::STREAM_SEEK_SET);
result.resize(header.packetSize);
stream.Read(&result[0], header.packetSize);
stream.Truncate();
stream.Seek(0, Framework::STREAM_SEEK_END);
return result;
}
bool CPacketUtils::HasPacket(Framework::CMemStream& stream)
{
if (stream.GetSize() < sizeof(PACKETHEADER))
{
return false;
}
stream.Seek(0, Framework::STREAM_SEEK_SET);
PACKETHEADER header;
stream.Read(&header, sizeof(PACKETHEADER));
stream.Seek(0, Framework::STREAM_SEEK_END);
if (stream.GetSize() < header.packetSize)
{
return false;
}
return true;
}