// IThorSlaveActivity
void CDiskReadSlaveActivityBase::init(MemoryBuffer &data, MemoryBuffer &slaveData)
{
subfileLogicalFilenames.kill();
partDescs.kill();
data.read(logicalFilename);
unsigned subfiles;
data.read(subfiles);
unsigned s=0;
for (; s<subfiles; s++)
{
StringAttr subfile;
data.read(subfile);
subfileLogicalFilenames.append(subfile);
}
unsigned parts;
data.read(parts);
if (parts)
{
deserializePartFileDescriptors(data, partDescs);
unsigned encryptedKeyLen;
void *encryptedKey;
helper->getEncryptKey(encryptedKeyLen, encryptedKey);
if (0 != encryptedKeyLen)
{
bool dfsEncrypted = partDescs.item(0).queryOwner().queryProperties().getPropBool("@encrypted");
if (dfsEncrypted) // otherwise ignore (warning issued by master)
eexp.setown(createAESExpander256(encryptedKeyLen, encryptedKey));
memset(encryptedKey, 0, encryptedKeyLen);
free(encryptedKey);
}
}
}
bool CTransformer::setPartition(RemoteFilename & remoteInputName, offset_t _startOffset, offset_t _length, bool compressedInput, const char *decryptKey)
{
CTransformerBase::setPartition(remoteInputName, _startOffset, _length);
input.setown(inputFile->open(IFOread));
if (compressedInput) {
Owned<IExpander> expander;
if (decryptKey&&*decryptKey) {
StringBuffer key;
decrypt(key,decryptKey);
expander.setown(createAESExpander256(key.length(),key.str()));
}
input.setown(createCompressedFileReader(input,expander));
}
cursor = startOffset;
return (input != NULL);
}
void CDiskReadSlaveActivityBase::start()
{
PARENT::start();
markStart = true;
diskProgress = 0;
unsigned encryptedKeyLen;
void *encryptedKey;
helper->getEncryptKey(encryptedKeyLen, encryptedKey);
if (0 != encryptedKeyLen)
{
bool dfsEncrypted = partDescs.item(0).queryOwner().queryProperties().getPropBool("@encrypted");
if (dfsEncrypted) // otherwise ignore (warning issued by master)
eexp.setown(createAESExpander256(encryptedKeyLen, encryptedKey));
memset(encryptedKey, 0, encryptedKeyLen);
free(encryptedKey);
}
}
