public static void StartFTPDownload(string uri, string username, string password, string path, string filename, bool isFugai)
{
Thread thread = new Thread(new ParameterizedThreadStart(Ftpdownloadfile));
if (!isFugai)
{
int i = 0;
string pathfile = Path.Combine(path, filename);
while (File.Exists(pathfile))
{
filename = "(" + i + ")" + filename;
pathfile = Path.Combine(path, filename);
i++;
}
}
DownloadJobInfo dji = new DownloadJobInfo
{
uri = new Uri(uri),
path = path,
filename = filename,
dt = DownloadType.FTP,
isFugai = isFugai,
username = username,
password = password,
Length = GetFTPFileLength(new Uri(uri), username, password)
};
thread.Name = dji.ToString();
DownloadPercent.Add(dji, 0);
Jobs.Add(thread);
thread.Start(dji);
}
public DownloadJobInfo copyNew(DownloadJobInfo ddd)
{
DownloadJobInfo dji = new DownloadJobInfo
{
uri = ddd.uri,
path = ddd.path,
filename = ddd.filename,
username = ddd.username,
password = ddd.password,
isFugai = ddd.isFugai,
dt = ddd.dt
};
return(dji);
}
public static void StartHttpDownload(Uri uri, string path, string filename, bool isFugai)
{
Thread thread = new Thread(new ParameterizedThreadStart(StartThreadHttp));
DownloadJobInfo dji = new DownloadJobInfo
{
uri = uri,
path = path,
filename = filename,
dt = DownloadType.HTTP,
isFugai = isFugai
};
thread.Name = dji.ToString();
DownloadPercent.Add(dji, 0);
Jobs.Add(thread);
thread.Start(dji);
}
private static void Ftpdownloadfile(object djiobj)
{
long filelength = 0;
DownloadJobInfo dji = (DownloadJobInfo)djiobj;
FtpWebRequest request = (FtpWebRequest)WebRequest.Create(dji.uri);
filelength = dji.Length;
try
{
request.Method = WebRequestMethods.Ftp.DownloadFile;
request.Credentials = new NetworkCredential(dji.username, dji.password);
dji.Status = "下载中...";
using (FtpWebResponse response = (FtpWebResponse)request.GetResponse())
{
using (Stream responseStream = response.GetResponseStream())
{
using (FileStream fs = new FileStream(Path.Combine(dji.path, dji.filename), FileMode.OpenOrCreate))
{
byte[] buffer = new byte[102400];
int read = 0;
int allready = 0;
do
{
read = responseStream.Read(buffer, 0, buffer.Length);
fs.Write(buffer, 0, read);
fs.Flush();
allready += read;
DownloadPercent[dji] = int.Parse((long.Parse(allready.ToString()) / filelength * 100).ToString());
} while (!(read == 0));
fs.Flush();
fs.Close();
}
}
}
dji.Status = "已完成！";
}
catch (Exception ex)
{
dji.Status = "出现错误：" + ex.Message;
}
}
private static void StartThreadHttp(object obj)
{
DownloadJobInfo dji = (DownloadJobInfo)obj;
WebClient wc = new WebClient();
wc.DownloadProgressChanged += new DownloadProgressChangedEventHandler(wc_DownloadProgressChanged);
wc.DownloadFileCompleted += new AsyncCompletedEventHandler(wc_DownloadFileCompleted);
wc.Proxy = WebRequest.DefaultWebProxy;
WC_DJI_Map.Add(wc, dji);
wc.DownloadFileAsync(dji.uri, Path.Combine(dji.path, dji.filename));
while (WC_DJI_Map.ContainsKey(wc))
{
Thread.Sleep(new TimeSpan(0, 0, 5));
}
if (Jobs.SingleOrDefault(m => m.Name == dji.ToString()) != null)
{
Jobs.Remove(Jobs.SingleOrDefault(m => m.Name == dji.ToString()));
}
GC.Collect();
return;
}
public static int GetFileDownloadPercent(DownloadJobInfo dji)
{
return(DownloadPercent.SingleOrDefault(m => m.Key.filename == dji.filename && m.Key.path == dji.path && m.Key.uri.ToString() == dji.uri.ToString()).Value);
}
