/// <summary>
/// 接收端根据文件缺失信息发送重传请求子程序(第一次传输完进行的检查)
/// </summary>
/// <param name="client"></param>
/// <param name="info"></param>
private void SendRetranInfo(NetworkStream stream, FileCheckInfo info, string tempInfoSavepath)
{
byte[] bytes = new byte[2];
stream.Read(bytes, 0, 2);
Console.WriteLine("正在发送重传信息");
//如果返回确定
if (BitConverter.ToInt16(bytes, 0) == 9)
{
List <byte> sendList = new List <byte>();
List <int> lackPieces = info.lackPieces;
sendList.AddRange(BitConverter.GetBytes(info.PackId));
sendList.AddRange(BitConverter.GetBytes(info.Count));
foreach (var item in lackPieces)
{
sendList.AddRange(BitConverter.GetBytes(item));
}
int position = 0;
byte[] infoBytes = sendList.ToArray();
//创建临时信息文件（包含文件缺失片段信息）
FileStream fs = File.Create(tempInfoSavepath);
fs.Write(infoBytes, 0, infoBytes.Length);
fs.Close();
/*while (position < infoBytes.Length)
* {
* if (position + 1024 < infoBytes.Length)
* {
* stream.Write(infoBytes, position, 1024);
* position += 1024;
* }
* else
* {
* stream.Write(infoBytes, position, infoBytes.Length - position);
* position = infoBytes.Length;
* }
* }*/
SendRetranInfo(new IPEndPoint(remoteAddress, 8070), tempInfoSavepath);
stream.Write(InfoToBytes(Info.retranEnd), 0, 2);
Console.WriteLine("retran end");
}
else
{
Console.WriteLine("重传信息发送请求失败");
}
}
/// <summary>
/// 接收端根据文件缺失信息发送重传请求主程序(第一次传输完进行的检查)
/// </summary>
/// <param name="stream"></param>
/// <param name="tempFilePath"></param>
/// <param name="tempLostInfoSavepath"></param>
private void SendRetranInfo(NetworkStream stream, string tempFilePath, string tempLostInfoSavepath)
{
FileCheckInfo checkInfo = packetUtil.FileCheck(tempFilePath);
if (checkInfo.lackPieces.Count == 0)
{
stream.Write(InfoToBytes(Info.complete), 0, 2);
Console.WriteLine("finshed");
}
else
{
SendRetranInfo(stream, checkInfo, tempLostInfoSavepath);
Console.WriteLine("retran");
}
}
/// <summary>
/// 接收端根据文件缺失信息发送重传请求子程序(第一次传输完进行的检查)
/// </summary>
/// <param name="client"></param>
/// <param name="info"></param>
private void SendRetranInfo(NetworkStream stream, FileCheckInfo info, string tempInfoSavepath)
{
List <byte> sendList = new List <byte>();
List <int> lackPieces = info.lackPieces;
sendList.AddRange(BitConverter.GetBytes(info.PackId));
sendList.AddRange(BitConverter.GetBytes(info.Count));
foreach (var item in lackPieces)
{
sendList.AddRange(BitConverter.GetBytes(item));
}
int position = 0;
byte[] infoBytes = sendList.ToArray();
//创建临时信息文件（包含文件缺失片段信息）
/*
* FileStream fs = File.Create(tempInfoSavepath);
* fs.Write(infoBytes, 0, infoBytes.Length);
* fs.Close();*/
while (position < infoBytes.Length)
{
if (position + 1024 < infoBytes.Length)
{
stream.Write(infoBytes, position, 1024);
position += 1024;
}
else
{
stream.Write(infoBytes, position, infoBytes.Length - position);
position = infoBytes.Length;
}
}
stream.Write(InfoToBytes(Info.retranEnd), 0, 2);
}
private List <FileUpdateVo> PrepareDownRes(VersionConfig serverVersionConfig, FileCheckResult checkResult, byte[] fileListBytes, FileUpdateVo versionVo)
{
string url = versionVo.Url;
string random = versionVo.Random;
FileUpdateVo fileUpdateVo;
string persistentMd5 = null;
foreach (FileCheckInfo item in checkResult.DeleteList)
{
fileUpdateVo = new FileUpdateVo(item.name, url, random, item.md5, item.size);
if (File.Exists(fileUpdateVo.PersistentPath))
{
File.Delete(fileUpdateVo.PersistentPath);
}
}
List <FileUpdateVo> fileVoList = new List <FileUpdateVo>();
for (int i = 0; i < checkResult.DownList.Count; i++)
{
FileCheckInfo item = checkResult.DownList[i];
fileUpdateVo = new FileUpdateVo(item.name, url, random, item.md5, item.size);
if (File.Exists(fileUpdateVo.PersistentPath))
{
persistentMd5 = Util.Md5file(fileUpdateVo.PersistentPath);
}
else
{
persistentMd5 = string.Empty;
}
if (persistentMd5 != fileUpdateVo.Md5)//需要下载
{
fileVoList.Add(fileUpdateVo);
}
}
return(fileVoList);
}
