public void CancelFileReceive(string taskid) { if (PaddingReceiveTask == null) { return; } ulong pkgid = ulong.Parse(taskid); FileTaskInfo task = PaddingReceiveTask.SingleOrDefault(m => m.PackageID == pkgid); if (task == null) { return; } PaddingReceiveTask.Remove(task); OnTaskDiscardRequired(new FileTaskEventArgs(task)); }
//选择保存文件夹的地方 public string SelectSaveFolder(string description, string currentPath, string pkgid, string idx) { if (_folderBrowserDialog == null) { _folderBrowserDialog = new FolderBrowserDialog(); } _folderBrowserDialog.Description = description; if (!string.IsNullOrEmpty(currentPath) && System.IO.Directory.Exists(currentPath)) { _folderBrowserDialog.SelectedPath = currentPath; } if (_folderBrowserDialog.ShowDialog() == DialogResult.OK) { Env.ClientConfig.FunctionConfig.Share_LastSelectedPath = _folderBrowserDialog.SelectedPath; // ulong pid = ulong.Parse(pkgid); int index = int.Parse(idx); FileTaskInfo task = PaddingReceiveTask.SingleOrDefault(m => m.PackageID == pid); if (task == null || task.TaskList.Count <= index || index < 0) { return(""); } task.TaskList[index].FullPath = _folderBrowserDialog.SelectedPath; if (Env.ClientConfig.FunctionConfig.Share_UseSameLocationToSave) { task.TaskList.ForEach(s => s.FullPath = _folderBrowserDialog.SelectedPath); } return(_folderBrowserDialog.SelectedPath); } else { return(""); } }
/// <summary> /// 检测任务是否可以启动 /// </summary> void StartReceive() { if ((Config.TasksMultiReceiveCount > 0 && activeReceiveItems.Count >= Config.TasksMultiReceiveCount) || ReceiveTask.Count == 0) { return; } //RunCount-Fix thread limit issue int runCount = 0; foreach (FileTaskInfo t in ReceiveTask) { for (int j = 0; j < t.TaskList.Count; j++) { if (t.TaskList[j].State == FileTaskItemState.Scheduled) { FileTaskInfo task = t; FileTaskItem item = task.TaskList[j]; //开始传输 FileReceiveRequiredEventArgs e = new FileReceiveRequiredEventArgs(task, item); OnFileReceiveRequiring(e); if (!e.IsHandled) { OnFileReceiveRequired(e); } runCount++; //标记状态 MarkReceiveTaskItemState(item, FileTaskItemState.Initializing); if (activeReceiveItems.Count + runCount >= Config.TasksMultiReceiveCount && Config.TasksMultiReceiveCount > 0) { return; //超过数目则退出 } } } } }
/// <summary> /// 查询任务信息 /// </summary> /// <param name="packageId"></param> /// <param name="taskIndex"></param> /// <returns></returns> public FileTaskItem QuerySendTask(ulong packageId, int taskIndex, IPAddress addr) { if (!SendTask.ContainsKey(packageId) || taskIndex < 0) { return(null); } lock (SendTask) { FileTaskInfo fti = SendTask[packageId]; if (taskIndex >= fti.TaskList.Count || addr.ToString() != fti.RemoteHost.HostSub.Ipv4Address.Address.ToString()) { return(null); } else { FileTaskItem fi = fti.TaskList[taskIndex]; OnSendItemStart(new FileTaskEventArgs(fti, fi)); return(fi); } } }
/// <summary> /// 添加文件传输任务 /// </summary> /// <param name="task">任务信息</param> public void AddSendTask(FileTaskInfo task) { if (task == null) { throw new ArgumentNullException(); } if (task.RemoteHost == null || task.TaskList == null || task.TaskList.Count == 0 || task.PackageID == 0) { throw new ArgumentException(); } if (SendTask.ContainsKey(task.PackageID)) { return; } //进行必要的初始化 task.Direction = FileTransferDirection.Send; task.TaskList.ForEach(s => s.TaskInfo = task); //设置集合关系 SendTask.Add(task.PackageID, task); OnSendTaskAdded(new FileTaskEventArgs(task)); }
public void ReceiveFileRequired(FileTaskInfo task) { if (task == null) { return; } if (!browser.IsReady()) { notReadyScriptList.Add(task); return; } if (PaddingReceiveTask == null) { PaddingReceiveTask = new List <FileTaskInfo>(); } if (PaddingReceiveTask.FindIndex(s => s.PackageID == task.PackageID) == -1) { PaddingReceiveTask.Add(task); //FIX:重试接收重复包编号错误 } browser.InvokeScript("receiveFileRequired", task.ToJsonInfo(), Env.ClientConfig.FunctionConfig.Share_UseSameLocationToSave); }
/// <summary> /// 将初始化的任务信息转换为JSON格式 /// </summary> /// <param name="item"></param> /// <returns></returns> public static string ToJsonInfo(this FileTaskInfo task) { System.Text.StringBuilder sb = new StringBuilder(); sb.AppendLine("{"); sb.AppendFormat("pkgid:'{0}',host:'{1}',isretry:{2},", task.PackageID, task.RemoteHost.HostSub.Ipv4Address.ToString(), task.IsRetry ? 1 : 0); sb.AppendLine("tasks:["); for (int i = 0; i < task.TaskList.Count; i++) { if (i < task.TaskList.Count - 1) { sb.Append(task.TaskList[i].ToJsonInfo()); sb.AppendLine(","); } else { sb.AppendLine(task.TaskList[i].ToJsonInfo()); } } sb.AppendLine("]"); sb.AppendLine("}"); return(sb.ToString()); }
/// <summary> /// 添加文件传输任务 /// </summary> /// <param name="task">任务信息</param> public void AddReceiveTask(FileTaskInfo task) { if (task == null) { throw new ArgumentNullException(); } if (task.RemoteHost == null || task.TaskList == null || task.TaskList.Count == 0 || task.PackageID == 0) { throw new ArgumentException(); } //进行必要的初始化 task.Direction = FileTransferDirection.Receive; task.TaskList.ForEach(s => s.TaskInfo = task); //设置集合关系 if (this.ReceiveTask.Contains(task)) { return; } this.ReceiveTask.Add(task); this.OnReceiveTaskAdded(new FileTaskEventArgs(task)); StartReceive(); }
//发送文件夹 void PerformSendDirectory(TcpClient client, FileTaskInfo task, FileTaskItem item) { NetworkStream stream = null; try { stream = client.GetStream(); } catch (Exception) { TaskManager.MarkSendTaskItemState(item, FileTaskItemState.Failure); return; } string currentDirectory = item.FullPath; //当前处理路径 Stack <string> directoryStack = new Stack <string>(); //文件夹栈 directoryStack.Push(""); bool needUpdateTotal = item.TotalSize == 0; //是否需要在发送的时候更新统计 TaskManager.MarkSendTaskItemState(item, FileTaskItemState.Processing); item.StartTime = DateTime.Now; using (stream) { while (!string.IsNullOrEmpty(currentDirectory) || directoryStack.Count > 0) { if (!PerformSendDirectory_SendCreateDirCommand(currentDirectory, stream, task, item)) { return; } if (string.IsNullOrEmpty(currentDirectory)) { if (directoryStack.Count > 0) { currentDirectory = directoryStack.Pop(); //当前是空目录,则向上递归 } continue; } //扫描目录和文件 string[] files = null, directories = null; try { files = System.IO.Directory.GetFiles(currentDirectory); directories = System.IO.Directory.GetDirectories(currentDirectory); item.FolderCount += directories.Length; item.FileCount += files.Length; } catch (Exception) { TaskManager.MarkSendTaskItemState(item, FileTaskItemState.Failure); OnFileSystemOperationError(new FileSystemOperationErrorEventArgs(FileSystemOperationType.QueryDirectory, item.FullPath, task.RemoteHost)); return; } //优先发送文件 foreach (var f in files) { if (!PerformSendDirectory_SendFilesInDirectory(f, stream, task, item, needUpdateTotal)) { return; } } //扫描子目录 if (directories.Length > 0) { directoryStack.Push(""); Array.ForEach(directories, s => { directoryStack.Push(s); }); currentDirectory = directoryStack.Pop(); //取出一个文件夹来发送 } else { //如果没有子目录,则置空当前目录,以命令流程向上返回 currentDirectory = null; } } if (item.State != FileTaskItemState.Failure) { TaskManager.MarkSendTaskItemState(item, FileTaskItemState.Finished); } } }
/// <summary> /// 创建 FileTaskEventArgs class 的新实例 /// </summary> public FileTaskEventArgs(FileTaskInfo taskInfo) { TaskInfo = taskInfo; IsHandled = false; }
/// <summary> /// 创建一个新的 SendTaskExpires 对象. /// </summary> public SendTaskExpires(FileTaskInfo task) { Task = task; InitializeComponent(); }
/// <summary> /// 创建一个新的 SendTaskExpires 对象. /// </summary> public SendTaskRelease(FileTaskInfo task) { Task = task; InitializeComponent(); }
//传输文件 bool ProcessFileTransfer(TcpClient client, NetworkStream netStream, FileTaskInfo task, FileTaskItem item, string currentDirectory, string fileName, ulong fileSize, bool updateTotal) { FileStream writer = null; string path = Path.Combine(currentDirectory, fileName); try { System.IO.Directory.CreateDirectory(System.IO.Path.GetDirectoryName(path)); writer = new FileStream(path, FileMode.OpenOrCreate, FileAccess.Write); } catch (Exception) { OnFileSystemOperationError(new FileSystemOperationErrorEventArgs(FileSystemOperationType.CreateFile, path, task.RemoteHost)); TaskManager.MarkReceiveTaskItemState(item, FileTaskItemState.Failure); return(false); } //初始化传输参数 item.CurrentFileSize = fileSize; item.CurrentFileTransfered = 0ul; item.CurrentName = fileName; if (updateTotal) { item.TotalSize += fileSize; } item.FileCount++; using (writer) { byte[] buffer = new byte[SendBuffer]; int length = 0; int readlength = buffer.Length; if ((ulong)readlength > item.CurrentFileSize) { readlength = (int)item.CurrentFileSize; } while (item.State != FileTaskItemState.Canceling && client.Connected && item.CurrentFileTransfered < item.CurrentFileSize && (length = ReceiveByBuffer(netStream, buffer, readlength)) > 0) { if (!WriteBufferToFile(task.RemoteHost, writer, path, buffer, length)) { break; } item.CurrentFileTransfered += (ulong)length; item.FinishedSize += (ulong)length; readlength = buffer.Length; if ((ulong)readlength > item.CurrentFileSize - item.CurrentFileTransfered) { readlength = (int)(item.CurrentFileSize - item.CurrentFileTransfered); } } writer.Close(); System.Diagnostics.Debug.Assert(item.CurrentFileTransfered <= item.CurrentFileSize, string.Format("传输文件异常。{0} 预计长度:{1} ,实际写入 {2}", item.CurrentName, item.CurrentFileSize, item.CurrentFileTransfered)); if (item.CurrentFileTransfered < item.CurrentFileSize) { if (item.State != FileTaskItemState.Canceling) { TaskManager.MarkReceiveTaskItemState(item, FileTaskItemState.Failure); } return(false); } else { item.FinishedFileCount++; return(true); } } }
/// <summary> /// 接收文件夹 /// </summary> /// <param name="client"></param> /// <param name="task"></param> /// <param name="item"></param> void PerformFileReceive_Folder(TcpClient client, FileTaskInfo task, FileTaskItem item) { TaskManager.MarkReceiveTaskItemState(item, FileTaskItemState.Initializing); //创建网络流 NetworkStream netStream = null; try { netStream = client.GetStream(); } catch (Exception) { OnNetworkError(new EventArgs()); TaskManager.MarkReceiveTaskItemState(item, FileTaskItemState.Failure); return; } bool updateTotal = item.TotalSize == 0; //是否在更新进度的时候需要更新总数 using (netStream) { //发送文件请求 PackedNetworkMessage pnm = MessagePacker.BuildNetworkMessage(Message.Create(task.RemoteHost, task.RemoteHost.HostSub.Ipv4Address, Config.GetRandomTick(), Config.HostName, Config.HostUserName, Consts.Commands.GetDirFiles, 0ul, string.Format("{0:x}:{1:x}:0:", task.PackageID, item.Index), "")); if (!SendDataInBuffer(netStream, pnm.Data, pnm.Data.Length)) { return; //发送请求 } TaskManager.MarkReceiveTaskItemState(item, FileTaskItemState.Processing); item.StartTime = DateTime.Now; string filename; ulong size; bool isFolder, isRet; Stack <string> pathStack = new Stack <string>(); string currentPath = item.FullPath; while (client.Connected && item.State != FileTaskItemState.Canceling && ReadCmdHeader(netStream, task.RemoteHost, out filename, out size, out isFolder, out isRet)) { if (isRet) { if (pathStack.Count > 0) { currentPath = pathStack.Pop(); if (pathStack.Count == 0) { break; //Fixed: 当当前队列不再有信息时,其实接收已经完成了。因为当前队列中最后一个肯定是文件夹自己。 } } else { break; } } else if (isFolder) { //建立文件夹 if (!ProcessDirCmd(item, ref currentPath, pathStack, filename, updateTotal)) { TaskManager.MarkReceiveTaskItemState(item, FileTaskItemState.Failure); return; } } else { //传文件 if (!ProcessFileTransfer(client, netStream, task, item, currentPath, filename, size, updateTotal)) { TaskManager.MarkReceiveTaskItemState(item, FileTaskItemState.Failure); return; } } } netStream.Close(); } if (item.State == FileTaskItemState.Canceling) { TaskManager.MarkReceiveTaskItemState(item, FileTaskItemState.Canceled); } else if (item.State != FileTaskItemState.Failure) { TaskManager.MarkReceiveTaskItemState(item, FileTaskItemState.Finished); } }
/// <summary> /// 发送单个文件 /// </summary> /// <param name="client"></param> /// <param name="task"></param> /// <param name="item"></param> void PerformSendFile(TcpClient client, FileTaskInfo task, FileTaskItem item) { System.IO.FileStream fs = null; System.Net.Sockets.NetworkStream writer = null; try { writer = client.GetStream(); } catch (Exception) { TaskManager.MarkSendTaskItemState(item, FileTaskItemState.Failure); return; } try { fs = new System.IO.FileStream(item.FullPath, System.IO.FileMode.Open, System.IO.FileAccess.Read); } catch (Exception) { if (writer != null) { writer.Close(); } TaskManager.MarkSendTaskItemState(item, FileTaskItemState.Failure); OnFileSystemOperationError(new FileSystemOperationErrorEventArgs(FileSystemOperationType.OpenFileToSend, item.FullPath, task.RemoteHost)); return; } using (fs) { //检测断点数据是否正确 if (item.CurrentFileTransfered < 0 || item.CurrentFileTransfered > (ulong)fs.Length) { item.CurrentFileTransfered = 0; } fs.Seek((long)item.CurrentFileTransfered, System.IO.SeekOrigin.Begin); //设置当前任务信息 item.CurrentFileSize = (ulong)fs.Length; TaskManager.MarkSendTaskItemState(item, FileTaskItemState.Processing); item.StartTime = DateTime.Now; using (writer) { byte[] buffer = new byte[SendBuffer]; //缓冲区 while (item.CurrentFileTransfered < item.CurrentFileSize) { int bytesRead = fs.Read(buffer, 0, buffer.Length); try { writer.Write(buffer, 0, bytesRead); } catch (Exception) { TaskManager.MarkSendTaskItemState(item, FileTaskItemState.Failure); break; } //更新进度 item.CurrentFileTransfered += (ulong)bytesRead; item.FinishedSize += (ulong)bytesRead; } item.FinishedFileCount++; writer.Close(); } fs.Close(); //标记任务完成 if (item.State != FileTaskItemState.Failure) { TaskManager.MarkSendTaskItemState(item, FileTaskItemState.Finished); } } }
//发送要求创建文件命令 bool PerformSendDirectory_SendCreateDirCommand(string path, NetworkStream stream, FileTaskInfo task, FileTaskItem item) { string strCMD = string.Format(":{0}:{1}:{2:x}:", string.IsNullOrEmpty(path) ? "." : System.IO.Path.GetFileName(path), 0, (int)(string.IsNullOrEmpty(path) ? Consts.Cmd_FileType_Option.RetParent : Consts.Cmd_FileType_Option.Dir)); byte[] bytes = null; if (task.RemoteHost.IsEnhancedContractEnabled) { bytes = System.Text.Encoding.Unicode.GetBytes(strCMD); } else { bytes = System.Text.Encoding.Default.GetBytes(strCMD); } if (!string.IsNullOrEmpty(path)) { item.FinishedFolderCount++; } try { stream.Write(System.Text.Encoding.Default.GetBytes((bytes.Length + 4).ToString("x4")), 0, 4); stream.Write(bytes, 0, bytes.Length); return(true); } catch (Exception) { TaskManager.MarkSendTaskItemState(item, FileTaskItemState.Failure); return(false); } }
/// <summary> /// 创建 FileTaskEventArgs class 的新实例 /// </summary> public FileTaskEventArgs(FileTaskInfo taskInfo, FileTaskItem taskItem) { TaskInfo = taskInfo; TaskItem = taskItem; IsHandled = false; }
/// <summary> /// 接收文件 /// </summary> /// <param name="client"></param> /// <param name="task"></param> /// <param name="item"></param> void PerformFileReceive_File(TcpClient client, FileTaskInfo task, FileTaskItem item) { TaskManager.MarkReceiveTaskItemState(item, FileTaskItemState.Initializing); //创建文件 System.IO.FileInfo fileinfo = new FileInfo(item.FullPath); if (fileinfo.Exists) { item.CurrentFileTransfered = (ulong)fileinfo.Length; } if (item.CurrentFileSize <= item.CurrentFileTransfered) { TaskManager.MarkReceiveTaskItemState(item, FileTaskItemState.Finished); return; } //创建文件 System.IO.FileStream writer = null; try { System.IO.Directory.CreateDirectory(System.IO.Path.GetDirectoryName(item.FullPath)); writer = fileinfo.OpenWrite(); } catch (Exception) { OnFileSystemOperationError(new FileSystemOperationErrorEventArgs(FileSystemOperationType.CreateFile, item.FullPath, task.RemoteHost)); TaskManager.MarkReceiveTaskItemState(item, FileTaskItemState.Failure); return; } //创建网络流 NetworkStream netStream = null; try { netStream = client.GetStream(); } catch (Exception) { OnNetworkError(new EventArgs()); TaskManager.MarkReceiveTaskItemState(item, FileTaskItemState.Failure); return; } using (writer) { using (netStream) { //发送文件请求 PackedNetworkMessage pnm = MessagePacker.BuildNetworkMessage(Message.Create(task.RemoteHost, task.RemoteHost.HostSub.Ipv4Address, Config.GetRandomTick(), Config.HostName, Config.HostUserName, Consts.Commands.GetFileData, 0ul, string.Format("{0:x}:{1:x}:{2}", task.PackageID, item.Index, item.CurrentFileTransfered), "")); if (!SendDataInBuffer(netStream, pnm.Data, pnm.Data.Length)) { return; //发送请求 } TaskManager.MarkReceiveTaskItemState(item, FileTaskItemState.Processing); item.StartTime = DateTime.Now; byte[] buffer = new byte[SendBuffer]; int length = buffer.Length; while (item.State != FileTaskItemState.Canceling && client.Connected && (length = ReceiveByBuffer(netStream, buffer, length)) > 0) { if (!WriteBufferToFile(task.RemoteHost, writer, item.FullPath, buffer, length)) { return; } item.CurrentFileTransfered += (ulong)length; item.FinishedSize += (ulong)length; //判断还有多少 length = buffer.Length; ulong restLength = item.CurrentFileSize - item.CurrentFileTransfered; if (restLength < (ulong)length) { length = (int)restLength; } } } } //判断是否完成 if (item.State == FileTaskItemState.Canceling) { TaskManager.MarkReceiveTaskItemState(item, FileTaskItemState.Canceled); } else if (item.CurrentFileTransfered == item.CurrentFileSize) { TaskManager.MarkReceiveTaskItemState(item, FileTaskItemState.Finished); } else { TaskManager.MarkReceiveTaskItemState(item, FileTaskItemState.Failure); } }
/// <summary> /// 标记一个任务项目状态,并检查任务是否完成 /// </summary> /// <param name="item">任务条目</param> /// <param name="state">状态</param> internal void MarkReceiveTaskItemState(FileTaskItem item, FileTaskItemState state) { if (item.State == state) { return; } if (state == FileTaskItemState.Finished || state == FileTaskItemState.Failure) { //退出传输状态 this.activeReceiveItems.Remove(item); OnTaskItemProgressChanged(new FileTaskEventArgs(item.TaskInfo, item)); this.EnsureReceiveStateUpdateTimerState(); } item.State = state; OnTaskItemStateChanged(new FileTaskEventArgs(item.TaskInfo, item)); //是否需要更新状态 if (state == FileTaskItemState.Processing) { this.activeReceiveItems.Add(item); this.EnsureReceiveStateUpdateTimerState(); } //如果是完成了,那就查找下这个任务是不是全部完成了,如果是的话,那就删掉任务 if ((state == FileTaskItemState.Finished || state == FileTaskItemState.Failure)) { //检测任务完成 if (item.TaskInfo.TaskList.Count(s => s.State != FileTaskItemState.Finished && s.State != FileTaskItemState.Failure) == 0) { FileTaskInfo task = item.TaskInfo; this.OnReceiveTaskFinished(new FileTaskEventArgs(task)); this.ReceiveTask.Remove(task); //检测是否有失败的,如果有就将请求重新发送以便重试 for (int i = task.TaskList.Count - 1; i >= 0; i--) { if (task.TaskList[i].State != FileTaskItemState.Failure) { task.TaskList.RemoveAt(i); //如果是成功的,则移除 } else { task.TaskList[i].State = FileTaskItemState.Scheduled; //重置任务的当前状态 if (!task.TaskList[i].IsFolder) { task.TaskList[i].FullPath = System.IO.Path.GetDirectoryName(task.TaskList[i].FullPath); } } } if (task.TaskList.Count > 0) { var e = new FileTaskEventArgs(task); OnFileReceiveTaskReDroped(e); if (!e.IsHandled) { OnFileReceiveTaskDiscarded(e); } } } StartReceive(); } }
/// <summary> /// 创建一个新的 FileReceiveEventArgs 对象. /// </summary> public FileReceiveRequiredEventArgs(FileTaskInfo task, FileTaskItem item) { Task = task; Item = item; IsHandled = false; }
//发送文件夹中的文件 bool PerformSendDirectory_SendFilesInDirectory(string path, NetworkStream stream, FileTaskInfo task, FileTaskItem item, bool updateTotal) { System.IO.FileInfo fileinfo = new System.IO.FileInfo(path); if (!fileinfo.Exists) { OnFileSystemOperationError(new FileSystemOperationErrorEventArgs(FileSystemOperationType.OpenFileToSend, path, task.RemoteHost)); } if (updateTotal) { item.TotalSize += (ulong)fileinfo.Length; } item.CurrentName = fileinfo.Name; item.CurrentFileTransfered = 0; item.CurrentFileSize = (ulong)fileinfo.Length; string strCMD = string.Format(":{0}:{1:x}:{2:x}:", fileinfo.Name, fileinfo.Length, (int)Consts.Cmd_FileType_Option.Regular); byte[] bytes = null; if (task.RemoteHost.IsEnhancedContractEnabled) { bytes = System.Text.Encoding.Unicode.GetBytes(strCMD); } else { bytes = System.Text.Encoding.Default.GetBytes(strCMD); } try { stream.Write(System.Text.Encoding.Default.GetBytes((bytes.Length + 4).ToString("x4")), 0, 4); stream.Write(bytes, 0, bytes.Length); } catch (Exception) { TaskManager.MarkSendTaskItemState(item, FileTaskItemState.Failure); return(false); } //写入文件数据 FileStream reader = null; try { reader = fileinfo.OpenRead(); } catch (Exception) { OnFileSystemOperationError(new FileSystemOperationErrorEventArgs(FileSystemOperationType.OpenFileToSend, path, task.RemoteHost)); TaskManager.MarkSendTaskItemState(item, FileTaskItemState.Failure); return(false); } using (reader) { byte[] buffer = new byte[SendBuffer]; while (item.CurrentFileTransfered < (ulong)reader.Length) { int bytesRead = reader.Read(buffer, 0, buffer.Length); item.CurrentFileTransfered += (ulong)bytesRead; item.FinishedSize += (ulong)bytesRead; try { stream.Write(buffer, 0, bytesRead); } catch (Exception) { TaskManager.MarkSendTaskItemState(item, FileTaskItemState.Failure); return(false); } } reader.Close(); } item.FinishedFileCount++; return(true); }