📄 p2pfilessend.cs
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using System;
using System.Collections;
using System.ComponentModel;
using System.Drawing;
using System.Data;
using System.Windows.Forms;
using System.IO;
namespace LanMsg.Controls
{
/// <summary>
/// filesSend 的摘要说明。
/// </summary>
public class filesSend : System.Windows.Forms.UserControl
{
private System.Windows.Forms.Panel panel1;
private System.Windows.Forms.Panel panel4;
private System.Windows.Forms.Panel panel2;
private System.Windows.Forms.Panel panel3;
private System.ComponentModel.IContainer components;
private System.Windows.Forms.Panel panel5;
private System.Windows.Forms.Panel panel6;
private System.Windows.Forms.Label label4;
private System.Windows.Forms.LinkLabel linkLabelCancel;
private System.Windows.Forms.Label labOr;
private System.Windows.Forms.LinkLabel linkSaveAs;
private LanMsg.Controls.SockUDP sockUDP1;
private System.Windows.Forms.Timer timer1;
private System.Windows.Forms.Label labelState;
private LanMsg.XpProgressBar.XpProgressBar PBar1;
private System.Windows.Forms.Panel panel7;
private System.Windows.Forms.PictureBox picWait;
private System.Windows.Forms.Panel panel8;
private System.Windows.Forms.Label labFileName;
private System.Windows.Forms.Label labProcess;
[Serializable]
private class sendFileInfo
{
public int MsgInfoClass=0;//文件发送消息类别
public int fileSize=0;//文件尺寸
public int pSendPos=0;//标记上次发送的位置
public byte[] FileBlock=null;//当前发送的文件块
public sendFileInfo( )
{
//
// TODO: 在此处添加构造函数逻辑
//
}
public sendFileInfo(int msgInfoClass,int FileSize,int PSendPos,byte[] fileBlock )
{
MsgInfoClass=msgInfoClass;
fileSize=FileSize;
pSendPos=PSendPos;
FileBlock=fileBlock;
}
}
public filesSend()
{
// 该调用是 Windows.Forms 窗体设计器所必需的。
InitializeComponent();
// TODO: 在 InitializeComponent 调用后添加任何初始化
this.fileSend +=new fileSendEventHandler(filesSend_fileSend);
}
/// <summary>
/// 清理所有正在使用的资源。
/// </summary>
protected override void Dispose( bool disposing )
{
try
{
this.fStream.Close();//关闭打开的文件资源
}
catch{}
try
{
if((this.IsSendState && !this.sendOver) || !IsCancel)//如果文件正在传输中且没有成功便被用户关闭程序以强行终止，则给对方发送"取消文件传输"
this.sendData(new sendFileInfo(0,0,0,null));
}
catch{}
try
{
this.sockUDP1.CloseSock();//关闭sockUDP1端口，清楚占用的资源
}
catch{}
if( disposing )
{
if(components != null)
{
components.Dispose();
}
}
base.Dispose( disposing );
}
#region 组件设计器生成的代码
/// <summary>
/// 设计器支持所需的方法 - 不要使用代码编辑器
/// 修改此方法的内容。
/// </summary>
private void InitializeComponent()
{
this.components = new System.ComponentModel.Container();
System.Resources.ResourceManager resources = new System.Resources.ResourceManager(typeof(filesSend));
this.panel1 = new System.Windows.Forms.Panel();
this.panel6 = new System.Windows.Forms.Panel();
this.labFileName = new System.Windows.Forms.Label();
this.picWait = new System.Windows.Forms.PictureBox();
this.panel7 = new System.Windows.Forms.Panel();
this.panel5 = new System.Windows.Forms.Panel();
this.label4 = new System.Windows.Forms.Label();
this.linkLabelCancel = new System.Windows.Forms.LinkLabel();
this.labOr = new System.Windows.Forms.Label();
this.linkSaveAs = new System.Windows.Forms.LinkLabel();
this.panel4 = new System.Windows.Forms.Panel();
this.labProcess = new System.Windows.Forms.Label();
this.PBar1 = new LanMsg.XpProgressBar.XpProgressBar();
this.panel3 = new System.Windows.Forms.Panel();
this.panel2 = new System.Windows.Forms.Panel();
this.labelState = new System.Windows.Forms.Label();
this.panel8 = new System.Windows.Forms.Panel();
this.sockUDP1 = new LanMsg.Controls.SockUDP(this.components);
this.timer1 = new System.Windows.Forms.Timer(this.components);
this.panel1.SuspendLayout();
this.panel6.SuspendLayout();
this.panel5.SuspendLayout();
this.panel4.SuspendLayout();
this.SuspendLayout();
//
// panel1
//
this.panel1.Controls.Add(this.panel6);
this.panel1.Controls.Add(this.panel5);
this.panel1.Controls.Add(this.panel4);
this.panel1.Controls.Add(this.labelState);
this.panel1.Dock = System.Windows.Forms.DockStyle.Fill;
this.panel1.Location = new System.Drawing.Point(0, 0);
this.panel1.Name = "panel1";
this.panel1.Size = new System.Drawing.Size(280, 184);
this.panel1.TabIndex = 0;
//
// panel6
//
this.panel6.Controls.Add(this.labFileName);
this.panel6.Controls.Add(this.picWait);
this.panel6.Controls.Add(this.panel7);
this.panel6.Dock = System.Windows.Forms.DockStyle.Fill;
this.panel6.Location = new System.Drawing.Point(0, 91);
this.panel6.Name = "panel6";
this.panel6.Size = new System.Drawing.Size(280, 93);
this.panel6.TabIndex = 10;
//
// labFileName
//
this.labFileName.Dock = System.Windows.Forms.DockStyle.Fill;
this.labFileName.Location = new System.Drawing.Point(32, 0);
this.labFileName.Name = "labFileName";
this.labFileName.Size = new System.Drawing.Size(248, 93);
this.labFileName.TabIndex = 18;
//
// picWait
//
this.picWait.Dock = System.Windows.Forms.DockStyle.Left;
this.picWait.Image = ((System.Drawing.Image)(resources.GetObject("picWait.Image")));
this.picWait.Location = new System.Drawing.Point(4, 0);
this.picWait.Name = "picWait";
this.picWait.Size = new System.Drawing.Size(28, 93);
this.picWait.TabIndex = 17;
this.picWait.TabStop = false;
//
// panel7
//
this.panel7.Dock = System.Windows.Forms.DockStyle.Left;
this.panel7.Location = new System.Drawing.Point(0, 0);
this.panel7.Name = "panel7";
this.panel7.Size = new System.Drawing.Size(4, 93);
this.panel7.TabIndex = 16;
//
// panel5
//
this.panel5.Controls.Add(this.label4);
this.panel5.Controls.Add(this.linkLabelCancel);
this.panel5.Controls.Add(this.labOr);
this.panel5.Controls.Add(this.linkSaveAs);
this.panel5.Dock = System.Windows.Forms.DockStyle.Top;
this.panel5.Location = new System.Drawing.Point(0, 71);
this.panel5.Name = "panel5";
this.panel5.Size = new System.Drawing.Size(280, 20);
this.panel5.TabIndex = 9;
//
// label4
//
this.label4.AutoSize = true;
this.label4.Dock = System.Windows.Forms.DockStyle.Left;
this.label4.ForeColor = System.Drawing.Color.Purple;
this.label4.Location = new System.Drawing.Point(125, 0);
this.label4.Name = "label4";
this.label4.Size = new System.Drawing.Size(29, 17);
this.label4.TabIndex = 22;
this.label4.Text = "传输";
this.label4.TextAlign = System.Drawing.ContentAlignment.BottomLeft;
this.label4.Visible = false;
//
// linkLabelCancel
//
this.linkLabelCancel.AutoSize = true;
this.linkLabelCancel.Dock = System.Windows.Forms.DockStyle.Left;
this.linkLabelCancel.ForeColor = System.Drawing.Color.Purple;
this.linkLabelCancel.LinkColor = System.Drawing.Color.DarkOliveGreen;
this.linkLabelCancel.Location = new System.Drawing.Point(71, 0);
this.linkLabelCancel.Name = "linkLabelCancel";
this.linkLabelCancel.Size = new System.Drawing.Size(54, 17);
this.linkLabelCancel.TabIndex = 21;
this.linkLabelCancel.TabStop = true;
this.linkLabelCancel.Text = "取消传输";
this.linkLabelCancel.TextAlign = System.Drawing.ContentAlignment.BottomCenter;
this.linkLabelCancel.LinkClicked += new System.Windows.Forms.LinkLabelLinkClickedEventHandler(this.linkLabelCancel_LinkClicked);
//
// labOr
//
this.labOr.AutoSize = true;
this.labOr.Dock = System.Windows.Forms.DockStyle.Left;
this.labOr.ForeColor = System.Drawing.Color.Purple;
this.labOr.Location = new System.Drawing.Point(54, 0);
this.labOr.Name = "labOr";
this.labOr.Size = new System.Drawing.Size(17, 17);
this.labOr.TabIndex = 20;
this.labOr.Text = "或";
this.labOr.TextAlign = System.Drawing.ContentAlignment.BottomLeft;
//
// linkSaveAs
//
this.linkSaveAs.AutoSize = true;
this.linkSaveAs.Dock = System.Windows.Forms.DockStyle.Left;
this.linkSaveAs.ForeColor = System.Drawing.Color.Purple;
this.linkSaveAs.LinkColor = System.Drawing.Color.DarkOliveGreen;
this.linkSaveAs.Location = new System.Drawing.Point(0, 0);
this.linkSaveAs.Name = "linkSaveAs";
this.linkSaveAs.Size = new System.Drawing.Size(54, 17);
this.linkSaveAs.TabIndex = 17;
this.linkSaveAs.TabStop = true;
this.linkSaveAs.Text = "接收文件";
this.linkSaveAs.TextAlign = System.Drawing.ContentAlignment.BottomLeft;
this.linkSaveAs.LinkClicked += new System.Windows.Forms.LinkLabelLinkClickedEventHandler(this.linkSaveAs_LinkClicked);
//
// panel4
//
this.panel4.Controls.Add(this.labProcess);
this.panel4.Controls.Add(this.PBar1);
this.panel4.Controls.Add(this.panel3);
this.panel4.Controls.Add(this.panel2);
this.panel4.Dock = System.Windows.Forms.DockStyle.Top;
this.panel4.Location = new System.Drawing.Point(0, 24);
this.panel4.Name = "panel4";
this.panel4.Size = new System.Drawing.Size(280, 47);
this.panel4.TabIndex = 8;
//
// labProcess
//
this.labProcess.Dock = System.Windows.Forms.DockStyle.Top;
this.labProcess.ForeColor = System.Drawing.Color.DimGray;
this.labProcess.Location = new System.Drawing.Point(8, 12);
this.labProcess.Name = "labProcess";
this.labProcess.Size = new System.Drawing.Size(264, 36);
this.labProcess.TabIndex = 6;
this.labProcess.Text = "(0/0)";
this.labProcess.TextAlign = System.Drawing.ContentAlignment.MiddleCenter;
//
// PBar1
//
this.PBar1.ColorBackGround = System.Drawing.Color.White;
this.PBar1.ColorBarBorder = System.Drawing.Color.FromArgb(((System.Byte)(170)), ((System.Byte)(240)), ((System.Byte)(170)));
this.PBar1.ColorBarCenter = System.Drawing.Color.FromArgb(((System.Byte)(10)), ((System.Byte)(150)), ((System.Byte)(10)));
this.PBar1.ColorText = System.Drawing.Color.Blue;
this.PBar1.Dock = System.Windows.Forms.DockStyle.Top;
this.PBar1.Font = new System.Drawing.Font("宋体", 10F, System.Drawing.FontStyle.Regular, System.Drawing.GraphicsUnit.Point, ((System.Byte)(134)));
this.PBar1.Location = new System.Drawing.Point(8, 0);
this.PBar1.Name = "PBar1";
this.PBar1.Position = 0;
this.PBar1.PositionMax = 100;
this.PBar1.PositionMin = 0;
this.PBar1.Size = new System.Drawing.Size(264, 12);
this.PBar1.TabIndex = 5;
//
// panel3
//
this.panel3.Dock = System.Windows.Forms.DockStyle.Right;
this.panel3.Location = new System.Drawing.Point(272, 0);
this.panel3.Name = "panel3";
this.panel3.Size = new System.Drawing.Size(8, 47);
this.panel3.TabIndex = 3;
//
// panel2
//
this.panel2.Dock = System.Windows.Forms.DockStyle.Left;
this.panel2.Location = new System.Drawing.Point(0, 0);
this.panel2.Name = "panel2";
this.panel2.Size = new System.Drawing.Size(8, 47);
this.panel2.TabIndex = 2;
//
// labelState
//
this.labelState.BackColor = System.Drawing.Color.Transparent;
this.labelState.Dock = System.Windows.Forms.DockStyle.Top;
this.labelState.ForeColor = System.Drawing.Color.Purple;
this.labelState.Location = new System.Drawing.Point(0, 0);
this.labelState.Name = "labelState";
this.labelState.Size = new System.Drawing.Size(280, 24);
this.labelState.TabIndex = 0;
this.labelState.Text = "等待接收...";
this.labelState.TextAlign = System.Drawing.ContentAlignment.MiddleLeft;
//
// panel8
//
this.panel8.Location = new System.Drawing.Point(0, 0);
this.panel8.Name = "panel8";
this.panel8.TabIndex = 0;
//
// sockUDP1
//
this.sockUDP1.Server = ((System.Net.IPEndPoint)(resources.GetObject("sockUDP1.Server")));
this.sockUDP1.DataArrival += new LanMsg.Controls.SockUDP.DataArrivalEventHandler(this.sockUDP1_DataArrival);
//
// timer1
//
this.timer1.Enabled = true;
this.timer1.Interval = 50000;
this.timer1.Tick += new System.EventHandler(this.timer1_Tick);
//
// filesSend
//
this.BackColor = System.Drawing.Color.Cyan;
this.Controls.Add(this.panel1);
this.Name = "filesSend";
this.Size = new System.Drawing.Size(280, 184);
this.panel1.ResumeLayout(false);
this.panel6.ResumeLayout(false);
this.panel5.ResumeLayout(false);
this.panel4.ResumeLayout(false);
this.ResumeLayout(false);
}
#endregion
#region 文件传输事件
public class FileSendEventArgs:System.EventArgs
{
public bool isSelf ;
public string fileName;
public FileSendEventArgs(bool IsSelf,string FileName)
{
this.isSelf=IsSelf;
this.fileName =FileName;
}
}
public delegate void fileSendEndEventHandler(object sender,FileSendEventArgs e);//文件传输结束事件
public event fileSendEndEventHandler fileSendEnd;
public delegate void fileSendCancelEventHandler(object sender,FileSendEventArgs e);//取消文件传输事件
public event fileSendCancelEventHandler fileSendCancel;
public delegate void fileSendEventHandler(object sender,FileSendEventArgs e);//接收文件传输事件
public event fileSendEventHandler fileSend;
public delegate void fileSendOutTimeEventHandler(object sender,FileSendEventArgs e);//接收文件发送超时
public event fileSendOutTimeEventHandler fileSendOutTime;
#endregion
public string FileName=Application.StartupPath + @"\ReceiveFiles\";//发送或接收文件所保存的位置
private System.Net.IPAddress serverIp=System.Net.IPAddress.Parse("127.0.0.1");//对方ip地址
private int serverPort=0;//对方Ip端口
private int FileSize=0;//文件尺寸
private string Extension="";//文件扩展名
private bool IsSendState=false;//标记文件是否在发送过程中
private int pSendPos=0;//标记上次发送的位置
private System.IO.FileStream fStream ;//文件操作流
private bool userCancelSend=false;//记录对方是否取消文件传输
private bool sendOver=false;//标记文件是否传输完成
private bool IsSend=false;//标识当前用户是发送文件还是接收文件
private bool IsCancel=false;//标识文件传输是点击“取消”而取消的
private int ReadCount=0;//记录当前读取文件所获得的字节数
private int currSendPos=0;//设置当前发送的文件块的终点位置
private string fileSizeStr="0";
private int _buf=8000;//标记一次传输文件数据块的大小，不能超过MTU限制，否则在因特网上的数据发送将不成功00
[Category("全局设置")]
[Description("设置UDP每一次传输数据包的大小")]
[DefaultValue(8000)]
public int buf
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