UnixFdIO::UnixFdIO(const int readingFd, const int writingFd)
{
namespace bp = boost::process;
bp::detail::file_handle fhRead(readingFd);
bp::detail::file_handle fhWrite(writingFd);
reading_.reset(new bp::pistream(fhRead));
writing_.reset(new bp::postream(fhWrite));
dynamic_cast<bp::detail::systembuf*>(reading_->rdbuf())->event_read_data.connect(
boost::phoenix::bind(&UnixFdIO::slotReadData, this, boost::phoenix::arg_names::_1));
}
bool CompressFile(gcString &filePath)
{
uint64 fileSize = UTIL::FS::getFileSize(UTIL::FS::Path(filePath, "", true));
if (fileSize == 0)
return false;
gcString destPath(filePath);
destPath += ".bz2";
try
{
UTIL::FS::FileHandle fhRead(filePath.c_str(), UTIL::FS::FILE_READ);
UTIL::FS::FileHandle fhWrite(destPath.c_str(), UTIL::FS::FILE_WRITE);
if (fhRead.isValidFile() == false)
return false;
if (fhWrite.isValidFile() == false)
return false;
UTIL::MISC::BZ2Worker worker(UTIL::MISC::BZ2_COMPRESS);
char buff[10*1024];
const size_t buffsize = 10*1024;
uint32 leftToDo = (uint32)fileSize;
bool end = false;
do
{
size_t curSize = buffsize;
if (buffsize > leftToDo)
{
end = true;
curSize = leftToDo;
}
fhRead.read(buff, curSize);
leftToDo -= curSize;
worker.write(buff, curSize, end);
worker.doWork();
size_t b = 0;
do
{
b = buffsize;
worker.read(buff, b);
fhWrite.write(buff, b);
}
while (b > 0);
}
while (!end);
}
catch (gcException)
{
return false;
}
UTIL::FS::delFile(UTIL::FS::Path(filePath, "", true));
filePath = destPath;
return true;
}