/// <summary>
/// 获取 server 文件列表
/// </summary>
/// <returns>请求是否成功 bool 值</returns>
private Task <bool> ListFiles()
{
return(Task.Run(() => {
try
{
Logger.Log("Requesting directory : " + RemoteDirectory, LogLevel.Info);
SocketClient client = SocketFactory.GenerateConnectedSocketClient();
client.SendBytes(SocketPacketFlag.DirectoryRequest, RemoteDirectory);
client.ReceiveBytesWithHeaderFlag(SocketPacketFlag.DirectoryResponse, out byte[] recv_bytes);
this.fileClasses = SocketFileInfo.BytesToList(recv_bytes);
client.Close();
this.Dispatcher.Invoke(() => {
this.ListViewFile.ItemsSource = this.fileClasses;
this.TextRemoteDirectory.Text = RemoteDirectory;
});
return true;
}
catch (Exception ex)
{
string msg = "Requesting remote directory \"" + RemoteDirectory + "\" failure : " + ex.Message;
Logger.Log(msg, LogLevel.Warn);
System.Windows.Forms.MessageBox.Show(msg);
return false;
}
}));
}
/// <summary>
/// 响应对方的 Directory 列表查询, 文件夹不存在或权限异常返回message字符串处理
/// 参数 bytes 为接收byte流的内容信息
/// client : SocketPacketFlag.DirectoryRequest + path bytes(UTF-8)
/// server : SocketPacketFlag.DirectoryResponse + List<SocketFileInfo> -> bytes
/// or : SocketPacketFlag.DirectoryException + err_msg
/// </summary>
/// <param name="client"></param>
/// <param name="bytes"></param>
private void ResponseDirectory(Socket client, byte[] bytes)
{
List <SocketFileInfo> fileClasses = new List <SocketFileInfo>();
string err_msg = "";
/// get SocketFileInfo[]
try
{
if ((GetIdentity(client) & SocketIdentity.ReadFile) == 0)
{
throw new Exception("Socket not authenticated.");
}
string path = Encoding.UTF8.GetString(bytes);
fileClasses = GetDirectoryAndFiles(path);
}
catch (Exception ex)
{
err_msg = "Directory response exception from server: " + ex.Message;
}
/// Send bytes
if (string.IsNullOrEmpty(err_msg))
{
SendBytes(client, SocketPacketFlag.DirectoryResponse, SocketFileInfo.ListToBytes(fileClasses));
}
else
{
SendBytes(client, SocketPacketFlag.DirectoryException, err_msg);
}
}
private void unselectChoice()
{
if (selectedFile != null)
{
selectedFile = null;
}
if (dg_main.SelectedItem != null)
{
dg_main.UnselectAll();
}
btn_download.IsEnabled = false;
btn_deselect.IsEnabled = false;
}
private void DownloadSingleTaskDirectory(FileTask task)
{
/// 创建本地 directory
if (!Directory.Exists(task.LocalPath))
{
DirectoryInfo dirInfo = new DirectoryInfo(task.LocalPath);
dirInfo.Create();
}
/// 获取 server 端文件列表
List <SocketFileInfo> files;
try
{
SocketClient client = SocketFactory.GenerateConnectedSocketClient(task, 1);
client.SendBytes(SocketPacketFlag.DirectoryRequest, task.RemotePath);
client.ReceiveBytesWithHeaderFlag(SocketPacketFlag.DirectoryResponse, out byte[] recv_bytes);
files = SocketFileInfo.BytesToList(recv_bytes);
client.Close();
}
catch (Exception)
{
task.Status = FileTaskStatus.Denied;
return;
}
/// 更新 TaskList, 重新定位当前任务
UpdateTasklist(this,
new UpdateUIInvokeEventArgs(new Action(() => {
this.Record.RemoveTaskAt(Record.CurrentTaskIndex);
int bias = Record.CurrentTaskIndex;
for (int i = 0; i < files.Count; ++i)
{
SocketFileInfo f = files[i];
FileTask task_add = new FileTask
{
Route = task.Route.Copy(),
IsDirectory = f.IsDirectory,
Type = TransferType.Download,
RemotePath = Path.Combine(task.RemotePath, f.Name),
LocalPath = task.LocalPath + "\\" + f.Name,
Length = f.Length,
};
UpdateTaskLength(task_add);
this.Record.InsertTask(bias + i, task_add);
}
})));
}
void client_Revice(object sender, ReviceBuffer e)
{
SocketFileInfo fileInfo = SocketFileInfo.DeSerialize(e.ReviceByte);
using (FileStream fs = new FileStream("Socket" + fileInfo.FileName, FileMode.OpenOrCreate, FileAccess.Write, FileShare.None))
{
fs.Position = fileInfo.CurrentOffset;
fs.Write(fileInfo.CurrentByte, 0, fileInfo.CurrentLen);
fs.Flush();
fs.Close();
fs.Dispose();
}
long downSize = fileInfo.CurrentOffset + fileInfo.CurrentLen;
int offset = (int)(downSize * 100 / fileInfo.FileLength);
if (this.IsDisposed)
{
return;
}
this.Invoke((MethodInvoker) delegate()
{
this.pbSocketDown.Value = offset;
this.lbSocketDownPos.Text = offset + "%";
if (downSize > 1024 * 1024 * 1024)
{
float posLen = downSize / (1024f * 1024f * 1024f);
this.lbSocketDown.Text = posLen.ToString("f1") + "G";
}
else if (downSize > 1024 * 1024)
{
float posLen = downSize / (1024f * 1024f);
this.lbSocketDown.Text = posLen.ToString("f1") + "M";
}
else if (downSize > 1024)
{
float posLen = downSize / 1024f;
this.lbSocketDown.Text = posLen.ToString("f1") + "K";
}
else
{
this.lbSocketDown.Text = downSize.ToString("f1") + "B";
}
});
}
private void dg_main_SelectionChanged(object sender, SelectionChangedEventArgs e)
{
if (cbb_fileserver.Items.Count > 0 && dg_main.Items.Count > 0)
{
int selectedRow = dg_main.SelectedIndex;
if (selectedRow < 0)
{
return;
}
if (msl.socketFileManagers[cbb_fileserver.SelectedIndex].FileList != null)
{
if (msl.socketFileManagers[cbb_fileserver.SelectedIndex].FileList[selectedRow] != null)
{
SocketFileInfo tmp = msl.socketFileManagers[cbb_fileserver.SelectedIndex].FileList[selectedRow];
selectedFile = new SocketFileInfo(tmp.ID, tmp.Name, tmp.Path, tmp.Type, tmp.Size, tmp.MD5);
}
}
}
btn_download.IsEnabled = true;
btn_deselect.IsEnabled = true;
}