/// <summary>
/// 准备接收文件传输
/// </summary>
/// <param name="pfile"></param>
public void ReceiveFile(IMLibrary3.Protocol.P2PFileMsg pfile)
{
TFileInfo tFileInfo = new TFileInfo();
tFileInfo.Name = pfile.Name;
tFileInfo.Length = pfile.Length;
tFileInfo.Extension = pfile.Extension;
tFileInfo.MD5 = pfile.MD5;
OurMsg.Controls.FileTransmit ft = new Controls.FileTransmit();
ft.P2PFileTransmit = new p2pFileClient(Global.FileTransmitServerEP, tFileInfo);
ft.fileTransmitCancel += new OurMsg.Controls.FileTransmit.fileTransmitEventHandler(ft_fileTransmitCancel);
ft.P2PFileTransmit.GetIPEndPoint += new FileTransmitBase.GetIPEndPointEventHandler(P2PFileTransmit_GetIPEndPoint);
ft.fileTransmitted += new OurMsg.Controls.FileTransmit.fileTransmitEventHandler(ft_fileTransmitted);
flowLayoutPanel1.Controls.Add(ft);
}
private JSONObject jSONObject = null; //用于获取文件上传附件中的文件名称
#region 业务函数
/// <summary>
/// 上传附件方法
/// </summary>
/// <param name="fileName"></param>
/// <param name="dataBuff"></param>
/// <returns></returns>
private FileUploadResult UploadAttachment(string fileName, byte[] dataBuff)
{
// 初始化上传下载服务，这个Service会根据Cloud配置自动上传到对应的文件服务器
var service = new UpDownloadService();
int len = 0, less = 0;
string fileId = null;
byte[] buff = null;
while (len < dataBuff.Length)
{
// 文件服务器采用分段上传，每次上传4096字节, 最后一次如果不够则上传剩余长度
less = (dataBuff.Length - len) >= 4096000 ? 4096000 : (dataBuff.Length - len);
buff = new byte[less];
Array.Copy(dataBuff, len, buff, 0, less);
len += less;
using (System.IO.MemoryStream ms = new System.IO.MemoryStream(buff))
{
TFileInfo tFile = new TFileInfo()
{
FileId = fileId,
FileName = fileName,
CTX = this.Context,
Last = len >= dataBuff.Length,//标记是否为文件的最后一个片段
Stream = ms
};
var result = service.UploadAttachment(tFile);
// 注意点：上传时fileId传入null为新文件开始,会返回一个文件的fileId，后续采用这个fileId标识均为同一文件的不同片段。
fileId = result.FileId;
if (!result.Success)
{
return(result);
}
}
}
return(new FileUploadResult()
{
Success = true,
FileId = fileId
});
}
private void SetRecControl(TransmitState State, TFileInfo fileinfo)
{
if (State == TransmitState.Transmitting)
{
this.progressBar1.Value = Convert.ToInt32(((decimal)fileinfo.CurrLength / fileinfo.Length) * 100);
this.labelFileLengthString.Text = IMLibrary3.Operation.Calculate.GetSizeStr(fileinfo.CurrLength) + "/" + fileinfo.LengthStr;
}
else if (State == TransmitState.Connected)
{
linkLabelOffline.Visible = false;
if (isSend)
{
this.labelRequest.Text = "正在发送文件...";
}
else
{
this.labelRequest.Text = "正在接收文件...";
}
if (fileinfo.connectedType == ConnectedType.UDPLocal)
{
labelConType.Text = "[UDP直连]";
}
else if (fileinfo.connectedType == ConnectedType.UDPRemote)
{
labelConType.Text = "[UDP直连]";
}
else
{
labelConType.Text = "[服务器中转连接]";
}
}
else if (State == TransmitState.Over)
{
if (fileTransmitted != null)
{
fileTransmitted(this); //触发文件
}
}
}
