protected override Response ProcessHttpReq(EndPoint endpoint,Hashtable headers, string body)
{
FileResponse response = new FileResponse(@"c:\devtemp\allfeed.xml");
/*
string s;
using (FileStream fs = new FileStream(@"c:\devtemp\allfeed.xml", FileMode.Open, FileAccess.Read))
using(StreamReader sr = new StreamReader(fs))
{
s = sr.ReadToEnd();
}
//string s = "DFKSFSLJL";
StringResponse response = new StringResponse(s);
*/
/*
object value = headers["Range"];
if (value == null)
{
return null;
}
string range = value.ToString();
if(!string.IsNullOrEmpty(range))
{
string[] lr = range.Split(new string[] {"="}, StringSplitOptions.RemoveEmptyEntries);
if(lr.Length == 2)
{
string left = lr[0];
string right = lr[1];
string[] be = right.Split(new[] {"-"}, StringSplitOptions.RemoveEmptyEntries);
string begin = be[0];
string end = be[1];
long iBegin,iEnd;
if(long.TryParse(begin, out iBegin) && long.TryParse(end, out iEnd))
{
FileResponse response = new FileResponse(@"c:\devtemp\allfeed.xml");
response.HasRange = true;
response.RangeBegin = iBegin;
response.RangeEnd = iEnd;
return response;
}
}
}
*/
return response;
}
//public void TestGetHasFilBlocks()
//{
// HPPClient.HashFullNameDict.Add("88", @"D:\test\abc.txt");
// HPPClient.HashDownloadDict.Add("88", new byte[] { 80, 80 });
// Console.WriteLine(GetHasFileBlocks("8"));
//}
/// <summary>
/// 根据文件的hash值及要找的块的编号，得到一个FileResponse的对象
/// </summary>
/// <param name="fileHash">文件的hash值</param>
/// <param name="blockNum">要找的哪一块</param>
/// <returns></returns>
protected FileResponse GetDownLoadFile(string fileHash,int blockNum)
{
if (!BitArrayHelper.IsHasBlock(HPPClient.DownloadJobDict[fileHash].Mine, blockNum))
{
Console.WriteLine("没有找到所需的块！");
return null;
}
int lastBlockSize;
int blockAmount;
long fileLen = HPPClient.DownloadJobDict[fileHash].FileLen;
if (fileLen % BLOCKSIZE == 0)
{
blockAmount = (int)fileLen / BLOCKSIZE;
lastBlockSize = BLOCKSIZE;
}
else
{
blockAmount = (int)fileLen / BLOCKSIZE + 1;
lastBlockSize = (int)fileLen % BLOCKSIZE;
}
string fileName = HPPClient.HashFullNameDict[fileHash];
long beginPos;
long endPos;
if (blockNum != blockAmount)
{
beginPos = (blockNum - 1)*BLOCKSIZE;
endPos = beginPos + BLOCKSIZE - 1;
}
else
{
if (lastBlockSize == BLOCKSIZE)
{
beginPos = (blockNum - 1)*BLOCKSIZE;
endPos = beginPos + BLOCKSIZE - 1;
}
else
{
beginPos = (blockNum - 1) * BLOCKSIZE;
endPos = beginPos + lastBlockSize - 1;
}
}
FileResponse fileResponse = new FileResponse(fileName);
fileResponse.HasRange = true;
fileResponse.RangeBegin = beginPos;
fileResponse.RangeEnd = endPos;
return fileResponse;
}
