private void Download(IAsyncResult iar)
{
try
{
client.EndConnect(iar);
}
catch (SocketException)
{
#region load Server
IPEndPoint remoteendpoint = (IPEndPoint)iar.AsyncState;
time.Stop();//停止计时
try
{
if (LoadServer(remoteendpoint))
{
client = new Socket(AddressFamily.InterNetwork, SocketType.Stream, ProtocolType.Tcp);
time.Start();//开始计时
client.BeginConnect(remoteendpoint, new AsyncCallback(Download), client);
}
else
{
SetControlText(labelInfo, labelCanNotConnect.Text);//
SetState(State.Idle);
}
return;
}
catch (ObjectDisposedException)
{
SetControlText(labelInfo, labelUpdateCancel.Text);
SetState(State.Idle);
time.Stop();
return;
}
#endregion
}
catch (ObjectDisposedException)
{
SetControlText(labelInfo, labelUpdateCancel.Text);
SetState(State.Idle);
time.Stop();
return;
}
time.Stop();//停止计时
FileInfoCollection fc = new FileInfoCollection();
if (true)//是否只更新有修改过的文件
{
try
{
fc.Load(Config.WorkPath);
if (File.Exists("Resume.xml")) //存在续传记录
{
if (MessageBox.Show(this, labelResume.Text, "Info", MessageBoxButtons.YesNo, MessageBoxIcon.Information) == DialogResult.Yes)
{
XmlDocument xmlresume = new XmlDocument();
try
{
xmlresume.Load("Resume.xml");
XmlNode noderesume = xmlresume.SelectSingleNode("Resume/FileResume");
int id = Convert.ToInt32(noderesume.Attributes["ID"].Value);
DateTime date = Convert.ToDateTime(noderesume.Attributes["Date"].Value);
int length = Convert.ToInt32(noderesume.Attributes["Length"].Value);
int offset = Convert.ToInt32(noderesume.Attributes["Offset"].Value);
fc.SetFiletoResumeInfo(id, date, length, offset);
}
catch
{ }
}
else//清空临时文件夹
{
Directory.Delete("temp", true);
Directory.CreateDirectory("temp");
}
}
}
catch
{
fc.Clear();
}
File.Delete("Resume.xml");
}
time.Start();//开启计时
byte[] xml = fc.SaveToBuffer();
MessageBuffer buf = new MessageBuffer(MessageType.RequeryFile, 0, 0, xml.Length);
FileStream fs = null;
buf.SetFileBytes(xml);
int fileid = 0; //记录当前下载的文件ID
int fileoffset = 0;//记录当前下载的文件偏移量
try
{
client.Send(buf.GetBytes());//发送已经存在文件列表
SetControlText(labelInfo, labelDownloadingList.Text);
int filelength = 0;//记录所有文件的大小
int filelengthfinished = 0; //记录已经完成的文件的大小
byte[] btbufundecoded = new byte[0];//存放上次未处理的娄组
while (true)
{
byte[] bufmax = new byte[Config.MAX_LENGTH];//存放接收到的数组
int length = client.Receive(bufmax);//接收数据
time.Restart();//重启计时
//重写算法
byte[] btbuf = new byte[length + btbufundecoded.Length];//存放接收到及未处理的数组
if (btbufundecoded.Length > 0)
{
Buffer.BlockCopy(btbufundecoded, 0, btbuf, 0, btbufundecoded.Length);//将未完成的字节加入队列的开始
}
Buffer.BlockCopy(bufmax, 0, btbuf, btbufundecoded.Length, length);//加入接收到的字节
int bufindex = 0;
bool iscompleted = true;
while (bufindex < btbuf.Length) //全部处理完也要跳出循环
{
btbufundecoded = new byte[0];//清空
byte[] btmb = new byte[btbuf.Length - bufindex];
Buffer.BlockCopy(btbuf, bufindex, btmb, 0, btmb.Length);//将已经处理完的字节移出
MessageBuffer mb = new MessageBuffer(btmb);
iscompleted = mb.Completed;//判断这个Message是否完整
if (!mb.Completed)//是否完整
{
btbufundecoded = btmb;
break;//跳出循环,未处理的在下次接收后一同处理
}
else
{
bufindex += mb.FileLength + 13;//修改已经处理的位置
switch (mb.Header)
{
case MessageType.SendFileList:
Config.LocalFiles.Load(mb.GetFileBytes());
filelength = Config.LocalFiles.Length;
break;
case MessageType.SendFile:
{
if (fileid != mb.FileID) //新文件
{
fileid = mb.FileID;
fileoffset = mb.FileOffSet;
if (fs != null)
{
fs.Close();//写回到文件
}
fs = new FileStream(string.Format("temp\\{0}.tmp", fileid), FileMode.OpenOrCreate);
SetControlText(labelInfo, labelDownloading.Text + Config.LocalFiles[fileid].ToString());
}
fs.Position = mb.FileOffSet;
fs.Write(mb.GetFileBytes(), 0, mb.FileLength);//写入到流
fileoffset += mb.FileLength;
filelengthfinished += mb.FileLength;
SetProgressBarValue(progressBarDetail, (int)((double)fileoffset / (double)Config.LocalFiles[fileid].Length * 100));
SetProgressBarValue(progressBarTotal, (int)((double)filelengthfinished / (double)filelength * 100));
//刷新进度条
if (fileoffset == Config.LocalFiles[fileid].Length)//完成这个文件
{
fs.Close();//从流写回到文件
fs = null;
string filename = Config.WorkPath + Config.LocalFiles[fileid].ToString();
if (!Directory.Exists(Path.GetDirectoryName(filename)))//创建目的文件夹
{
Directory.CreateDirectory(Path.GetDirectoryName(filename));
}
if (File.Exists(filename))//如果文件存在则删除
{
File.Delete(filename);
}
File.Move(string.Format("temp\\{0}.tmp", mb.FileID), filename);//移动文件到目的文件夹
File.SetLastWriteTime(filename, Config.LocalFiles[fileid].Date);//设置最后修改时间
Config.LocalFiles.Remove(fileid);
}
break;
}
case MessageType.SendFinished:
if (true)
{
client.Send(MessageBuffer.ReceiveFinished.GetBytes());
}
else// 用来申请某个文件中的一部分,可能用不到
{
//MessageBuffer mbreqblock = new MessageBuffer(MessageType.RequeryBlock, "id", "offset", "length");
//client.Send(mbreqblock.GetBytes());
}
if (filelength == 0)
{
SetControlText(labelInfo, labelNoUpdateFound.Text);
}
else
{
SetControlText(labelInfo, labelUpdateFinished.Text);
}
SetProgressBarValue(progressBarDetail, 100);
SetProgressBarValue(progressBarTotal, 100);
client.Shutdown(SocketShutdown.Both);
client.Close(100);
if (true)
{
if (File.Exists(Config.WorkPath + "\\" + Config.PreInstall) && !Config.CheckPreInstall())
{
try
{
System.Diagnostics.Process pro = System.Diagnostics.Process.Start(Config.WorkPath + "\\" + Config.PreInstall);
pro.WaitForInputIdle();
}
catch { }
}
try
{
if (CurrentSolution != null)
{
XmlDocument clientxml = CreateClientXml(CurrentSolution);
clientxml.Save(Config.WorkPath + @"\EEPNetClient.xml");
}
}
catch(Exception e)
{
SetMessageBox(e.Message);
}
try
{
String S = CurrentSolution.Language.ToString() + " " + CurrentSolution.IP +
" " + CurrentSolution.ApPort.ToString();
System.Diagnostics.Process pro
= System.Diagnostics.Process.Start(new System.Diagnostics.ProcessStartInfo(Config.WorkPath + "\\" + Config.LaunchPath, S));
pro.WaitForInputIdle();
SetState(State.Idle);
//Application.Exit();
}
catch(Exception e)
{
SetMessageBox(e.Message);
}
}
return;
}
}
}
}
}
catch (Exception e)//有些文件在copy时会有权限问题,还查不出
{
if (client.Connected)
{
client.Send(MessageBuffer.ReceiveFinished.GetBytes());
}
if (buttonStart.Text == labelStart.Text)
{
SetControlText(labelInfo, labelUpdateCancel.Text);
if (fileid != 0 && fileoffset != Config.LocalFiles[fileid].Length)//当前文件未完成
{
//存入文件
XmlDocument xmlresume = new XmlDocument();
XmlNode nodedoc = xmlresume.CreateElement("Resume");
xmlresume.AppendChild(nodedoc);
XmlNode nodefileresume = xmlresume.CreateElement("FileResume");
XmlAttribute att = xmlresume.CreateAttribute("ID");
att.Value = fileid.ToString();
nodefileresume.Attributes.Append(att);
att = xmlresume.CreateAttribute("Offset");
att.Value = fileoffset.ToString();
nodefileresume.Attributes.Append(att);
att = xmlresume.CreateAttribute("Date");
att.Value = Config.LocalFiles[fileid].Date.ToString();
nodefileresume.Attributes.Append(att);
att = xmlresume.CreateAttribute("Length");
att.Value = Config.LocalFiles[fileid].Length.ToString();
nodefileresume.Attributes.Append(att);
nodedoc.AppendChild(nodefileresume);
xmlresume.Save("Resume.xml");//记录续传文件的信息
}
}
else
{
SetControlText(labelInfo, string.Empty);
SetMessageBox(e.Message);
}
SetState(State.Idle);
}
finally
{
if (fs != null)
{
fs.Close();
}
//if (!this.Disposing)
//{
// SetState(State.Idle);
//}
client.Close();
time.Stop();
}
}
private void DownLoad(object uri)
{
IPEndPoint iep = (IPEndPoint)uri;
LoaderObject loader = (LoaderObject)Activator.GetObject(typeof(LoaderObject), string.Format("http://{0}/LoaderObject.rem", uri));
int fileid = 0; //记录当前下载的文件ID
int fileoffset = 0;//记录当前下载的文件偏移量
try
{
FileInfoCollection fc = new FileInfoCollection();
try
{
fc.Load(Config.WorkPath);
if (File.Exists("Resume.xml")) //存在续传记录
{
if (MessageBox.Show(this, labelResume.Text, "Info", MessageBoxButtons.YesNo, MessageBoxIcon.Information) == DialogResult.Yes)
{
XmlDocument xmlresume = new XmlDocument();
try
{
xmlresume.Load("Resume.xml");
XmlNode noderesume = xmlresume.SelectSingleNode("Resume/FileResume");
int id = Convert.ToInt32(noderesume.Attributes["ID"].Value);
DateTime date = Convert.ToDateTime(noderesume.Attributes["Date"].Value);
int length = Convert.ToInt32(noderesume.Attributes["Length"].Value);
int offset = Convert.ToInt32(noderesume.Attributes["Offset"].Value);
fc.SetFiletoResumeInfo(id, date, length, offset);
}
catch
{ }
}
else//清空临时文件夹
{
Directory.Delete("temp", true);
Directory.CreateDirectory("temp");
File.Delete("Resume.xml");
}
}
}
catch
{
fc.Clear();
}
SetControlText(labelInfo, labelDownloadingList.Text);
byte[] bt = loader.GetDownLoadList(fc.SaveToBuffer());
if (bt != null)
{
Config.LocalFiles.Load(bt);
}
byte[] btimage = loader.GetClientImage(ImageType.Client);
if (btimage != null)
{
try
{
if (!Directory.Exists(Config.WorkPath))
{
Directory.CreateDirectory(Config.WorkPath);
}
using (FileStream fs = new FileStream(string.Format("{0}\\EEPNetClient.jpg", Config.WorkPath), FileMode.OpenOrCreate))
{
fs.Write(btimage, 0, btimage.Length);
}
}
catch { }
}
btimage = loader.GetClientImage(ImageType.ClientMain);
if (btimage != null)
{
try
{
if (!Directory.Exists(Config.WorkPath))
{
Directory.CreateDirectory(Config.WorkPath);
}
using (FileStream fs = new FileStream(string.Format("{0}\\EEPNetClientMain.jpg", Config.WorkPath), FileMode.OpenOrCreate))
{
fs.Write(btimage, 0, btimage.Length);
}
}
catch { }
}
}
catch (WebException e)
{
if (e.Status == WebExceptionStatus.ConnectFailure)
{
if (LoadServer(iep))
{
Thread.Sleep(1000);
DownLoad(uri);
return;
}
else
{
SetControlText(labelInfo, labelCanNotConnect.Text);
}
}
else
{
SetMessageBox(e.Message);
}
SetState(State.Idle);
return;
}
catch (ThreadAbortException)
{
SetControlText(labelInfo, labelUpdateCancel.Text);
return;
}
catch (Exception e)
{
SetMessageBox(e.Message);
SetState(State.Idle);
return;
}
try
{
File.Delete("Resume.xml");
System.Collections.IEnumerator ie = Config.LocalFiles.GetEnumerator();
int filelength = Config.LocalFiles.Length;
int filelengthfinished = 0;
if(filelength > 0)
{
while (ie.MoveNext())
{
FileInfo fi = ((DictionaryEntry)ie.Current).Value as FileInfo;
SetControlText(labelInfo, labelDownloading.Text + fi.ToString());
using (FileStream fs = new FileStream(string.Format("temp\\{0}.tmp", fi.ID), FileMode.OpenOrCreate))
{
fileid = fi.ID;
int length = fi.Length;
int i = 0;
if (Config.LocalFiles.FileResume != null && Config.LocalFiles.FileResume.ID == fi.ID)
{
i = Config.LocalFiles.FileOffSet;//续传文件从续传位置开始
}
for (; i < length; i += Config.FILE_BLOCK_LENGTH)
{
int len = Math.Min(Config.FILE_BLOCK_LENGTH, length - i);
byte[] btfile = loader.GetFile(fi.ID, i, len);
fs.Position = i;
fs.Write(btfile, 0, len);
fileoffset = i + len;
filelengthfinished += len;
SetProgressBarValue(progressBarDetail, (int)((double)(i + len) / (double)fi.Length * 100));
SetProgressBarValue(progressBarTotal, (int)((double)filelengthfinished / (double)filelength * 100));
}
}
string filename = Config.WorkPath + fi.ToString();
if (!Directory.Exists(Path.GetDirectoryName(filename)))//创建目的文件夹
{
Directory.CreateDirectory(Path.GetDirectoryName(filename));
}
if (File.Exists(filename))//如果文件存在则删除
{
File.Delete(filename);
}
File.Move(string.Format("temp\\{0}.tmp", fi.ID), filename);//移动文件到目的文件夹
File.SetLastWriteTime(filename, fi.Date);//设置最后修改时间
}
SetControlText(labelInfo, labelUpdateFinished.Text);
}
else
{
SetControlText(labelInfo, labelNoUpdateFound.Text);
}
SetProgressBarValue(progressBarDetail, 100);
SetProgressBarValue(progressBarTotal, 100);
if (File.Exists(Config.WorkPath + "\\" + Config.PreInstall) && !Config.CheckPreInstall())
{
try
{
System.Diagnostics.Process pro = System.Diagnostics.Process.Start(Config.WorkPath + "\\" + Config.PreInstall);
pro.WaitForInputIdle();
}
catch { }
}
try
{
if (CurrentSolution != null)
{
XmlDocument clientxml = CreateClientXml(CurrentSolution);
clientxml.Save(Config.WorkPath + @"\EEPNetClient.xml");
}
}
catch
{
SetMessageBox("Can not Refresh client xml, check it's property not be readonly.");
}
try
{
String S = string.Format("{0} {1} {2} {3} {4} {5} {6} {7}", CurrentSolution.Language, CurrentSolution.IP, CurrentSolution.ApPort
, CurrentSolution.Text, ProxySetting.Default.ProxyEnable,
string.Format("{0}:{1}", ProxySetting.Default.ProxyAddress, ProxySetting.Default.ProxyPort)
, ProxySetting.Default.ProxyUser, ProxySetting.Default.ProxyPassword);
System.Diagnostics.Process pro
= System.Diagnostics.Process.Start(new System.Diagnostics.ProcessStartInfo(Config.WorkPath + "\\" + Config.LaunchPath, S));
pro.WaitForInputIdle();
SetState(State.Idle);
//Application.Exit();
return;
}
catch(Exception e)
{
SetMessageBox(e.Message);
SetState(State.Idle);
}
}
catch (ThreadAbortException)
{
SetControlText(labelInfo, labelUpdateCancel.Text);
SetState(State.Idle);
}
catch (Exception e)
{
SetMessageBox(e.Message);
SetState(State.Idle);
}
finally
{
if (fileid != 0 && fileoffset != Config.LocalFiles[fileid].Length)//当前文件未完成
{
//存入文件
XmlDocument xmlresume = new XmlDocument();
XmlNode nodedoc = xmlresume.CreateElement("Resume");
xmlresume.AppendChild(nodedoc);
XmlNode nodefileresume = xmlresume.CreateElement("FileResume");
XmlAttribute att = xmlresume.CreateAttribute("ID");
att.Value = fileid.ToString();
nodefileresume.Attributes.Append(att);
att = xmlresume.CreateAttribute("Offset");
att.Value = fileoffset.ToString();
nodefileresume.Attributes.Append(att);
att = xmlresume.CreateAttribute("Date");
att.Value = Config.LocalFiles[fileid].Date.ToString();
nodefileresume.Attributes.Append(att);
att = xmlresume.CreateAttribute("Length");
att.Value = Config.LocalFiles[fileid].Length.ToString();
nodefileresume.Attributes.Append(att);
nodedoc.AppendChild(nodefileresume);
xmlresume.Save("Resume.xml");//记录续传文件的信息
}
//SetState(State.Idle);
}
}
