public static void JoinFile(string inputFile, string outputFile, KsSplitJoinHandler handler)
{
long rwIncrament=500000;//updateInterval=400000, updateIndex=0;
FileInfo fInfo=new FileInfo(inputFile);
long iLen=fInfo.Length;
FileStream ifs=new FileStream(inputFile, FileMode.Open);
BinaryReader reader=new BinaryReader(ifs);
//bool cont;
FileInfo fi=new FileInfo(outputFile);
FileMode fm=FileMode.Append;
if(!fi.Exists) fm=FileMode.CreateNew;
FileStream ofs=new FileStream(outputFile, fm);
BinaryWriter writer=new BinaryWriter(ofs);
long i=0, cnt;
while(i<iLen) {
cnt=rwIncrament;
if((i+cnt)>=iLen) cnt=iLen-i;
//byte val[cnt];
writer.Write(reader.ReadBytes((int)cnt));
i+=cnt;
if(!handler.OnUpdate(inputFile, outputFile, i, iLen)) {
ifs.Close(); reader.Close();
ofs.Close(); writer.Close();
handler.OnCanceled(inputFile, outputFile, i, iLen);
return;
}
}
ifs.Close(); reader.Close();
ofs.Close(); writer.Close();
handler.OnFinished(inputFile, outputFile, i, iLen);
}
public static void SplitFile(string inputFile, string outputDir, string outputPrefix, long chunkSizeInBytes, KsSplitJoinHandler handler)
{
string outputFile="";
if(!outputDir.EndsWith("\\")) outputDir+="\\";
FileInfo fInfo=new FileInfo(inputFile);
long i, iLen=fInfo.Length, pos=0, len, cnt=0, cnt2, rwIncrament=500000;
FileStream ifs=new FileStream(inputFile, FileMode.Open, FileAccess.Read);
BinaryReader reader=new BinaryReader(ifs);
while (pos<iLen) {
cnt++;
outputFile=outputDir+outputPrefix+".ksChunk"+cnt.ToString().PadLeft(3, '0');
FileStream ofs=new FileStream(outputFile, FileMode.Create);
BinaryWriter writer=new BinaryWriter(ofs);
len=chunkSizeInBytes;
if(pos<1) len-=200;
if((pos+len)>iLen) len=(iLen-pos);
i=0;
while(i<len) {
cnt2=rwIncrament;
if((i+cnt2)>=len) cnt2=len-i;
writer.Write(reader.ReadBytes((int)cnt2));
i+=cnt2;
pos+=cnt2;
if(!handler.OnUpdate(inputFile, outputFile, pos, iLen)) {
reader.Close(); ifs.Close();
writer.Close(); ofs.Close();
handler.OnCanceled(inputFile, outputFile, pos, iLen);
return;
}
}
writer.Close();
ofs.Close();
if(!handler.OnUpdate(inputFile, outputFile, pos, iLen)) {
reader.Close(); ifs.Close();
handler.OnCanceled(inputFile, outputFile, pos, iLen);
return;
}
}
reader.Close(); ifs.Close();
SaveAutoJoinFile(outputDir+outputPrefix+".ksAutoJoin", (int)cnt, (int)iLen);
handler.OnFinished(inputFile, outputFile, pos, iLen);
}