private void kernelResTree1_DownloadFiles(object sender, DownloadFilesEventArgs e)
{
string strError = "";
string strOutputFolder = "";
if (e.Action == "getmd5")
{
Task.Run(() =>
{
GetMd5(e);
});
return;
}
#if NO
List <dp2Circulation.MainForm.DownloadFileInfo> infos = MainForm.BuildDownloadInfoList(e.FileNames);
// 询问是否覆盖已有的目标下载文件。整体询问
// return:
// -1 出错
// 0 放弃下载
// 1 同意启动下载
int nRet = Program.MainForm.AskOverwriteFiles(infos, // e.FileNames,
ref strOutputFolder,
out bool bAppend,
out strError);
if (nRet == -1)
{
e.ErrorInfo = strError;
return;
}
// return:
// -1 出错
// 0 放弃下载
// 1 成功启动了下载
nRet = Program.MainForm.BeginDownloadFiles(infos, // e.FileNames,
bAppend ? "append" : "overwrite",
null,
ref strOutputFolder,
out strError);
if (nRet == -1)
{
e.ErrorInfo = strError;
}
#endif
}
void GetMd5(DownloadFilesEventArgs e)
{
string strError = "";
List <string> lines = new List <string>();
CancellationTokenSource cancel = new CancellationTokenSource();
// 出现一个对话框，允许中断获取 MD5 的过程
FileDownloadDialog dlg = null;
this.Invoke((Action)(() =>
{
dlg = new FileDownloadDialog();
dlg.Font = this.Font;
dlg.Text = $"正在获取 MD5";
// dlg.SourceFilePath = strTargetPath;
dlg.TargetFilePath = null;
// 让 Progress 变为走马灯状态
dlg.StartMarquee();
}));
dlg.FormClosed += new FormClosedEventHandler(delegate(object o1, FormClosedEventArgs e1)
{
cancel.Cancel();
});
this.Invoke((Action)(() =>
{
dlg.Show(this);
}));
var channel = Program.MainForm.GetChannel(this.ServerUrl);
// var old_timeout = channel.Timeout;
channel.Timeout = new TimeSpan(0, 25, 0);
// this.ShowMessage("正在获取 MD5 ...");
try
{
foreach (string filepath in e.FileNames)
{
// this.ShowMessage($"正在获取服务器文件 {filepath} 的 MD5 ...");
dlg.SetProgress($"正在获取服务器文件 {filepath} 的 MD5 ...", 0, 0);
// 检查 MD5
// return:
// -1 出错
// 0 文件没有找到
// 1 文件找到
int nRet = DynamicDownloader.GetServerFileMD5ByTask(
channel,
null, // this.Stop,
filepath,
(MessagePromptEventHandler)null,
cancel.Token,
out byte[] server_md5,
out strError);
if (nRet != 1)
{
strError = "探测服务器端文件 '" + filepath + "' MD5 时出错: " + strError;
goto ERROR1;
}
lines.Add($"文件 {filepath} 的 MD5 为 {Convert.ToBase64String(server_md5)}");
}
}
catch (Exception ex)
{
strError = ex.Message;
goto ERROR1;
}
finally
{
//channel.Timeout = old_timeout;
Program.MainForm.ReturnChannel(channel);
// this.ClearMessage();
this.Invoke((Action)(() =>
{
dlg.Close();
}));
cancel.Dispose();
}
this.Invoke((Action)(() =>
{
MessageDialog.Show(this, StringUtil.MakePathList(lines, "\r\n"));
}));
return;
ERROR1:
ShowMessageBox(strError);
}
