public CHttpManage(string url, string loc, int num)
{
theUrl = url;
location = loc;
threadTotality = num;
if (location.LastIndexOf("\\") != location.Length - 1)
{
location += "\\";
}
FileName = theUrl.Substring(theUrl.LastIndexOf('/'));
DateTime dt = DateTime.Now;
///////////////////////////
HttpWebRequest request;
long filesize = 0;
try
{
request = (HttpWebRequest)HttpWebRequest.Create(theUrl);
filesize = request.GetResponse().ContentLength;
request.Abort();
}
catch (System.Exception ex)
{
MessageBox.Show("ErrorEventArgs in stardDownload!" + ex.Message);
}
threadEnd = new bool[threadTotality];
snippet = new string[threadTotality];
fileStart = new int[threadTotality];
fileSize = new int[threadTotality];
DevidedSize = (int)filesize / threadTotality;
string tempstr = "";
IntPair ip = new IntPair();
try
{
//续传 则打开保存每个临时快线程读取进度的文件
fileSwap = new FileStream(location + FileName + ".tempinfo", FileMode.Open);
StreamReader sr = new StreamReader(fileSwap);
threadTotality = Convert.ToInt32(sr.ReadLine());
for (int i = 0; i < threadTotality; ++i )
{
snippet[i] = location + FileName + "_" + i.ToString() + ".piece";
tempstr = sr.ReadLine();
ip = strTackle(tempstr);
fileStart[ip.threadNum] = ip.threadBytes + DevidedSize * ip.threadNum;
fileSize[ip.threadNum] = DevidedSize - 1 - ip.threadBytes;
}
sr.Close();
//将读取好的临时文件清空
fileSwap = new FileStream(location + FileName + ".tempinfo", FileMode.Create);
fileSwap.Close();
}
catch (System.IO.FileNotFoundException ex)
{
fileSwap = new FileStream(location + FileName + ".tempinfo", FileMode.Create);
StreamWriter stw = new StreamWriter(fileSwap);
stw.WriteLine(threadTotality);
stw.Close();
for (int i = 0; i < threadTotality; ++i)
{
threadEnd[i] = false;
snippet[i] = location + FileName + "_" + i.ToString() + ".piece";
if (i < threadTotality - 1)
{
fileStart[i] = DevidedSize * i;
fileSize[i] = DevidedSize - 1;
}
else
{
fileStart[i] = DevidedSize * i;
fileSize[i] = DevidedSize - 1;
}
}
fileSwap.Close();
stw.Close();
}
threadRunning = new Thread[threadTotality];
model = new CHttpSnippet[threadTotality];
for (int i = 0; i < threadTotality;++i )
{
model[i] = new CHttpSnippet(this, i);
model[i].StartEvent += new HttpEventHandler(OnStartReceive);
model[i].EndEvent += new HttpEventHandler(OnEndReceive);
model[i].StopSnippetEvent += new HttpEventHandler(model[i].StopSnippetProc);
threadRunning[i] = new Thread(new ThreadStart(model[i].receive));
combineThread = new Thread(new ThreadStart(combineFile));
}
}
public CHttpManage(string url, string loc, int num)
{
theUrl = url;
location = loc;
threadTotality = num;
if (location.LastIndexOf("\\") != location.Length - 1)
{
location += "\\";
}
FileName = theUrl.Substring(theUrl.LastIndexOf('/'));
DateTime dt = DateTime.Now;
///////////////////////////
HttpWebRequest request;
long filesize = 0;
try
{
request = (HttpWebRequest)HttpWebRequest.Create(theUrl);
filesize = request.GetResponse().ContentLength;
request.Abort();
}
catch (System.Exception ex)
{
MessageBox.Show("ErrorEventArgs in stardDownload!" + ex.Message);
}
threadEnd = new bool[threadTotality];
snippet = new string[threadTotality];
fileStart = new int[threadTotality];
fileSize = new int[threadTotality];
DevidedSize = (int)filesize / threadTotality;
string tempstr = "";
IntPair ip = new IntPair();
try
{
//续传 则打开保存每个临时快线程读取进度的文件
fileSwap = new FileStream(location + FileName + ".tempinfo", FileMode.Open);
StreamReader sr = new StreamReader(fileSwap);
threadTotality = Convert.ToInt32(sr.ReadLine());
for (int i = 0; i < threadTotality; ++i)
{
snippet[i] = location + FileName + "_" + i.ToString() + ".piece";
tempstr = sr.ReadLine();
ip = strTackle(tempstr);
fileStart[ip.threadNum] = ip.threadBytes + DevidedSize * ip.threadNum;
fileSize[ip.threadNum] = DevidedSize - 1 - ip.threadBytes;
}
sr.Close();
//将读取好的临时文件清空
fileSwap = new FileStream(location + FileName + ".tempinfo", FileMode.Create);
fileSwap.Close();
}
catch (System.IO.FileNotFoundException ex)
{
fileSwap = new FileStream(location + FileName + ".tempinfo", FileMode.Create);
StreamWriter stw = new StreamWriter(fileSwap);
stw.WriteLine(threadTotality);
stw.Close();
for (int i = 0; i < threadTotality; ++i)
{
threadEnd[i] = false;
snippet[i] = location + FileName + "_" + i.ToString() + ".piece";
if (i < threadTotality - 1)
{
fileStart[i] = DevidedSize * i;
fileSize[i] = DevidedSize - 1;
}
else
{
fileStart[i] = DevidedSize * i;
fileSize[i] = DevidedSize - 1;
}
}
fileSwap.Close();
stw.Close();
}
threadRunning = new Thread[threadTotality];
model = new CHttpSnippet[threadTotality];
for (int i = 0; i < threadTotality; ++i)
{
model[i] = new CHttpSnippet(this, i);
model[i].StartEvent += new HttpEventHandler(OnStartReceive);
model[i].EndEvent += new HttpEventHandler(OnEndReceive);
model[i].StopSnippetEvent += new HttpEventHandler(model[i].StopSnippetProc);
threadRunning[i] = new Thread(new ThreadStart(model[i].receive));
combineThread = new Thread(new ThreadStart(combineFile));
}
}
private IntPair strTackle(string strin)
{
IntPair ret = new IntPair();
int index = strin.IndexOf(':');
ret.threadNum = Convert.ToInt32(strin.Substring(0, index));
ret.threadBytes = Convert.ToInt32(strin.Substring(index + 1));
return ret;
}
