You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
26 lines
811 B
26 lines
811 B
#include <cstdint>
|
|
#include "db/vlog_writer.h"
|
|
#include "leveldb/slice.h"
|
|
#include "leveldb/env.h"
|
|
#include "util/coding.h"
|
|
namespace leveldb{
|
|
namespace vlog{
|
|
VWriter::VWriter(WritableFile* vlogfile)
|
|
:vlogfile_(vlogfile){}
|
|
VWriter::~VWriter() = default;
|
|
Status VWriter::AddRecord(const Slice& slice, int& write_size){
|
|
//append slice length.
|
|
write_size = slice.size();
|
|
char buf[10]; // Used for Convert int64 to char.
|
|
char* end_byte = EncodeVarint64(buf, slice.size());
|
|
write_size += end_byte - buf;
|
|
Status s = vlogfile_->Append(Slice(buf, end_byte - buf));
|
|
//append slice
|
|
if(s.ok()) s = vlogfile_->Append(slice);
|
|
return s;
|
|
}
|
|
Status VWriter::Flush(){
|
|
return vlogfile_->Flush();
|
|
}
|
|
}// namespace vlog
|
|
}
|