Method Load

src/verificationhashtable.cpp:68–107

Load data from a verification packet

// Load data from a verification packet
void VerificationHashTable::Load(Par2RepairerSourceFile *sourcefile, u64 blocksize)
{
  VerificationHashEntry *preventry = 0;

  // Get information from the sourcefile
  VerificationPacket *verificationpacket = sourcefile->GetVerificationPacket();
  u32 blockcount                         = verificationpacket->BlockCount();

  // Iterate through the data blocks for the source file and the verification
  // entries in the verification packet.
  std::vector<DataBlock>::iterator sourceblocks       = sourcefile->SourceBlocks();
  const FILEVERIFICATIONENTRY *verificationentry = verificationpacket->VerificationEntry(0);
  u32 blocknumber                                = 0;

  while (blocknumber<blockcount)
  {
    DataBlock &datablock = *sourceblocks;

    // Create a new VerificationHashEntry with the details for the current
    // data block and verification entry.
    VerificationHashEntry *entry = new VerificationHashEntry(sourcefile,
                                                             &datablock,
                                                             blocknumber == 0,
                                                             verificationentry);

    // Insert the entry in the hash table
    entry->Insert(&hashtable[entry->Checksum() & hashmask]);

    // Make the previous entry point forwards to this one
    if (preventry)
    {
      preventry->Next(entry);
    }
    preventry = entry;

    ++blocknumber;
    ++sourceblocks;
    ++verificationentry;
  }
}