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csa_worker.cpp
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csa_worker.cpp
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#include <csa_worker.h>
#include <csa_file.h>
#include <csc_enc.h>
#include <csc_dec.h>
struct ProgressObject {
ICompressProgress p;
MainWorker *w;
};
static int decompress_update_progress(void *p, UInt64 insize, UInt64 outsize) {
ProgressObject *po = (ProgressObject *)p;
po->w->processed_raw_ = outsize;
return 0;
}
static int compress_update_progress(void *p, UInt64 insize, UInt64 outsize) {
ProgressObject *po = (ProgressObject *)p;
po->w->processed_raw_ = insize;
return 0;
}
int CompressionWorker::do_work()
{
FileReader file_reader;
file_reader.obj = new AsyncFileReader(task_->filelist,
std::min<uint64_t>(32 * 1048576, task_->total_size));
file_reader.is.Read = file_read_proc;
FileWriter file_writer;
file_writer.obj = new AsyncArchiveWriter(*abs_, 8 * 1048576, arc_lock_);
file_writer.os.Write = file_write_proc;
CSCProps p;
CSCEncProps_Init(&p, std::min<uint64_t>(dict_size_, task_->total_size), level_);
CSCEncHandle h = CSCEnc_Create(&p, (ISeqOutStream*)&file_writer);
uint8_t buf[CSC_PROP_SIZE];
CSCEnc_WriteProperties(&p, buf, 0);
file_reader.obj->Run();
file_writer.obj->Run();
file_writer.obj->Write(buf, CSC_PROP_SIZE);
ProgressObject prog;
prog.p.Progress = compress_update_progress;
prog.w = this;
int ret = CSCEnc_Encode(h, (ISeqInStream*)&file_reader, (ICompressProgress*)&prog);
CSCEnc_Encode_Flush(h);
CSCEnc_Destroy(h);
file_reader.obj->Finish();
file_writer.obj->Finish();
delete file_writer.obj;
delete file_reader.obj;
return ret;
}
int DecompressionWorker::do_work()
{
FileReader file_reader;
file_reader.obj = new AsyncArchiveReader(*abs_, 8 * 1048576);
file_reader.is.Read = file_read_proc;
FileWriter file_writer;
file_writer.obj = new AsyncFileWriter(task_->filelist, 32 * 1048576);
file_writer.os.Write = file_write_proc;
file_reader.obj->Run();
file_writer.obj->Run();
ProgressObject prog;
prog.p.Progress = decompress_update_progress;
prog.w = this;
CSCProps p;
uint8_t buf[CSC_PROP_SIZE];
size_t prop_size = CSC_PROP_SIZE;
file_reader.obj->Read(buf, &prop_size);
CSCDec_ReadProperties(&p, buf);
CSCDecHandle h = CSCDec_Create(&p, (ISeqInStream*)&file_reader);
int ret = CSCDec_Decode(h, (ISeqOutStream*)&file_writer, (ICompressProgress*)&prog);
CSCDec_Destroy(h);
file_reader.obj->Finish();
file_writer.obj->Finish();
delete file_reader.obj;
delete file_writer.obj;
return ret;
}