/// <summary>
/// 图片传输前的获取对方的端口
/// </summary>
/// <param name="sender"></param>
/// <param name="Port"></param>
/// <param name="udpHandshakeInfoClass"></param>
private void imageTransmit_fileTransmitGetUDPPort(object sender, int Port, bool udpHandshakeInfoClass)
{
CSS.IM.Library.Class.Msg msg = new CSS.IM.Library.Class.Msg((byte)ProtocolClient.ImageTransmitGetUDPPort);
msg.Content = TextEncoder.textToBytes((sender as CSS.IM.Library.Controls.p2pFileTransmitEX).FileMD5Value + "|" + Port.ToString() + "|" + udpHandshakeInfoClass.ToString());//将获得的本地UDP端口号传输给对方
LB_sockUDP.Send(RemotBaseUDPIP, RemotBaseUDPPort, msg.getBytes());
}
/// <summary>
/// 发送或接收图片文件
/// </summary>
/// <param name="IsSend">true是发送者,false是接收者</param>
/// <param name="fullFileName">要发送的文件的绝对路径，如果接收则传空字符串</param>
/// <param name="FileName">文件名</param>
/// <param name="FileLen">文件的长度</param>
/// <param name="fileExtension">文件扩展名</param>
/// <param name="FileMD5Value">文件的MD5值</param>
public void ImageTransfers(bool IsSend, string fullFileName, string FileName, int FileLen, string fileExtension, string FileMD5Value)
{
if (this.imageP2Ps.find(FileMD5Value) == null)//如果图片不在传输队列，则创建新文件传输组件进行传输
{
CSS.IM.Library.Controls.p2pFileTransmitEX imageTransmit = new CSS.IM.Library.Controls.p2pFileTransmitEX();
this.imageP2Ps.add(imageTransmit);//添加文件传输组件到传输队列
imageTransmit.fileTransmitGetUDPPort += new CSS.IM.Library.Controls.p2pFileTransmitEX.GetUDPPortEventHandler(imageTransmit_fileTransmitGetUDPPort);
imageTransmit.fileTransmitted += new CSS.IM.Library.Controls.p2pFileTransmitEX.fileTransmittedEventHandler(imageTransmit_fileTransmitted);//图片传输结束
imageTransmit.fileTransmitOutTime += new p2pFileTransmitEX.fileTransmitOutTimeEventHandler(imageTransmit_fileTransmitOutTime);
//imageTransmit.fileTransmitConnected += new p2pFileTransmit.ConnectedEventHandler(imageTransmit_fileTransmitConnected);
//imageTransmit.fileTransmitCancel += new p2pFileTransmit.fileTransmitCancelEventHandler(imageTransmit_fileTransmitCancel);//图片传输取消或异常中断
//imageTransmit.getFileProxyID += new p2pFileTransmit.getFileProxyIDEventHandler(imageTransmit_getFileProxyID);
//imageTransmit.fileTransmitting += new p2pFileTransmit.fileTransmittingEventHandler(imageTransmit_fileTransmitting);
if (IsSend)
{
string fileInfo = FileName + "|" + FileLen.ToString() + "|" + fileExtension + "|" + FileMD5Value;//初次请求发送文件时要先发送“控件参数”到对方，请求对方创建“文件发送控件”并建立连接
CSS.IM.Library.Class.Msg msg = new CSS.IM.Library.Class.Msg((byte)ProtocolClient.ImageTransmitRequest, TextEncoder.textToBytes(fileInfo));
this.LB_sockUDP.Send(RemotBaseUDPIP, RemotBaseUDPPort, msg.getBytes());
imageTransmit.ServerIp = RemotBaseUDPIP;
}
else
{
System.IO.DirectoryInfo dInfo = new System.IO.DirectoryInfo(Util.receiveImage);
if (!dInfo.Exists)
dInfo.Create();
imageTransmit.ServerIp = RemotBaseUDPIP;
imageTransmit.startIncept(Util.receiveImage + FileMD5Value + fileExtension);//自动接收图片
}
imageTransmit.SetParameter(IsSend, fullFileName, FileName, FileLen, fileExtension, FileMD5Value);//设置文件传输组件相关参数
}
}
//public void sendFileTransfers(object pathob)
//{
// FileInfo f = new FileInfo(pathob.ToString());
// this.FileTransfers(true, f.FullName, f.Name, (int)f.Length, f.Extension, Hasher.GetMD5Hash(f.FullName));
//}
/// <summary>
/// 发送或接收文件
/// </summary>
/// <param name="IsSend">true是发送者,false是接收者</param>
/// <param name="fullFileName">要发送的文件的绝对路径，如果接收则传空字符串</param>
/// <param name="FileName">文件名</param>
/// <param name="FileLen">文件的长度</param>
/// <param name="fileExtension">文件扩展名</param>
/// <param name="FileMD5Value">文件的MD5值</param>
public void FileTransfers(bool IsSend, string fullFileName, string FileName, int FileLen, string fileExtension, string FileMD5Value)
{
if (IsSend && IsTransfers(FileMD5Value))
{
this.AppendSystemRtf(FileName + " 已在传输队列中，请不要重复发送！");
return;//如果要发送的文件已经在传输队列，则退出
}
p2pFile fSend = new p2pFile();//创建一个P2P文件传输组件用于传送文件
fSend.Name = FileMD5Value;
TabPage tab = new TabPage(FileName);
tab.Controls.Add(fSend);
tab.Tag = fSend;
filelistfrom.tabControl1.TabPages.Add(tab);
if (IsSend)
{
string fileInfo = FileName + "|" + FileLen.ToString() + "|" + fileExtension + "|" + FileMD5Value;//初次请求发送文件时要先发送“控件参数”到对方，请求对方创建“文件发送控件”并建立连接
Msg msg = new Msg((byte)ProtocolClient.FileTransmitRequest, TextEncoder.textToBytes(fileInfo));
this.sockUDP1.Send(BaseRemotUDPIP, BaseRemotUDPPort, msg.getBytes());
AppendSystemRtf("请等待对方接收文件 " + FileName + ") 。请等待回应或取消传输。");
//this.infoMessage1.showMsg("请等待对方接收文件 " + FileName + ") 。请等待回应或取消传输。");
}
else
{
AppendSystemRtf("对方要传送文件 " + FileName + "(" + Calculate.GetSizeStr(FileLen) + ")" + " 给您，请接收或取消传输。");
}
UserInfo self = new UserInfo();//将自己的在线基本信息告诉文件传输组件，使传输组件中的套接字确定文件数据包的网络传输协议
self.LocalIP = Program.LocalHostIP;
self.IP = Program.LocalHostIP;
UserInfo Opposite = new UserInfo();//将对方的在线基本信息告诉文件传输组件，使传输组件中的套接字确定文件数据包的网络传输协议
Opposite.LocalIP = BaseRemotUDPIP;
Opposite.IP = BaseRemotUDPIP;
fSend.SetParameter(IsSend, fullFileName, FileName, FileLen, fileExtension, FileMD5Value, self, Opposite);//设置文件传输组件相关参数
fSend.fileTransmitBefore += new p2pFile.fileTransmitBeforeEventHandler(fSend_fileTransmitBefore);//文件开始传输事件
fSend.fileTransmitCancel += new p2pFile.fileTransmitCancelEventHandler(fSend_fileTransmitCancel);//文件传输取消事件
fSend.fileTransmitError += new p2pFile.fileTransmitErrorEventHandler(fSend_fileTransmitError);//文件传输错误事件
fSend.fileTransmitted += new p2pFile.fileTransmittedEventHandler(fSend_fileTransmitted);//文件传输完成事件
fSend.getFileProxyID += new p2pFile.getFileProxyIDEventHandler(fSend_getFileProxyID);//文件传输获取中转服务ID
fSend.fileTransmitGetUDPPort += new p2pFile.GetUDPPortEventHandler(fSend_fileTransmitGetUdpLocalPort);//获得文件传输套接字UDP侦听端口
fSend.fileTransmitConnected += new p2pFile.ConnectedEventHandler(fSend_fileTransmitConnected);//当文件传输与对方建立传输通道事件
fSend.Dock = System.Windows.Forms.DockStyle.Fill;
this.filelistfrom.tabControl1.SelectedTab = tab;
try
{
filelistfrom.TopMost = true;
filelistfrom.Show();
}
catch (Exception)
{
}
filelistfrom.Activate();
}
void imageTransmit_fileTransmitGetUDPPort(object sender, int Port, bool udpHandshakeInfoClass)
{
Msg msg = new Msg((byte)ProtocolClient.ImageTransmitGetUDPPort);
msg.Content = TextEncoder.textToBytes((sender as p2pFileTransmitEX).FileMD5Value + "|" + Port.ToString() + "|" + udpHandshakeInfoClass.ToString());//将获得的本地UDP端口号传输给对方
sockUDP1.Send(BaseRemotUDPIP, BaseRemotUDPPort, msg.getBytes());
}
/// <summary>
/// 文件传输组件事件：无法进行UDP P2P通信传输，采用TCP中转并从代理服务器上获得中转ID服务编号
/// </summary>
/// <param name="sender">文件传输组件对像</param>
/// <param name="proxyID">采用TCP中转并从代理服务器上获得中转的ID服务编号 </param>
private void fSend_getFileProxyID(object sender, int proxyID)
{
Msg msg = new Msg((byte)ProtocolClient.FileTransmitGetOppositeID);
msg.Content = TextEncoder.textToBytes((sender as p2pFile).FileMD5Value + "|" + proxyID.ToString());//将获得的服务器代理ID号传输给对方
sockUDP1.Send(BaseRemotUDPIP, BaseRemotUDPPort, msg.getBytes());
//AppendSystemRtf("获得文件传输中转服务ID："+ proxyID.ToString());
}
/// <summary>
/// 文件传输组件事件：创建了新的UDP套接字并已在随机端口上侦听
/// </summary>
/// <param name="sender">文件传输组件对像</param>
/// <param name="Port">侦听端口</param>
/// <param name="udpHandshakeInfoClass">与对方握手方式是局域网还是广域网，True为广域网，false为局域网</param>
private void fSend_fileTransmitGetUdpLocalPort(object sender, int Port, bool udpHandshakeInfoClass)
{
Msg msg = new Msg((byte)ProtocolClient.FileTransmitGetUDPPort);
msg.Content = TextEncoder.textToBytes((sender as p2pFile).FileMD5Value + "|" + Port.ToString() + "|" + udpHandshakeInfoClass.ToString());//将获得的本地UDP端口号传输给对方
sockUDP1.Send(BaseRemotUDPIP, BaseRemotUDPPort, msg.getBytes());
//FormAccess.sendMsgToOneUser(msg, this.currUserInfo);
AppendSystemRtf("侦听UDP端口：" + Port.ToString());
//this.infoMessage1.showMsg("侦听UDP端口：" + Port.ToString());
}
/// <summary>
/// 文件传输组件事件：取消文件传输
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
private void fSend_fileTransmitCancel(object sender, fileTransmitEvnetArgs e)
{
p2pFile FileSend = (sender as p2pFile);
delTabItem(FileSend);//删除文件传输Tab控件
if (e.isSend)
//this.infoMessage1.showMsg("您已经取消了文件 " + e.fileName + " 的传输.");
AppendSystemRtf("您已经取消了文件 " + e.fileName + " 的传输.");
else
AppendSystemRtf("对方已经取消了文件 " + e.fileName + " 的传输！");
Msg msg = new Msg((byte)ProtocolClient.FileTransmitCancel, TextEncoder.textToBytes(e.FileMD5Value));
sockUDP1.Send(BaseRemotUDPIP, BaseRemotUDPPort, msg.getBytes());
}