/// <summary>
/// 发送文件,会阻塞线程,发完返回TRUE，没发完返回FALSE
/// </summary>
/// <param name="file">需要发送的文件的文件描述对象</param>
public void SendFile(FileDescription file)
{
Sending = true;
try{
FileStream f = new FileStream(file.getFullPath(), FileMode.Open, FileAccess.Read, FileShare.ReadWrite);
byte[] data = GetDataHead('d', f.Length);
MaxSize = data.Length + f.Length;
SendSize = 0;
MemoryStream tmp = new MemoryStream(data);
byte[] tmpsend = new byte[15];
tmp.Read(tmpsend, 0, 15);
client.GetStream().Write(tmpsend, 0, tmpsend.Length);
SendSize = SendSize + tmpsend.Length;
tmp.Dispose();
tmp.Close();
while (SendSize < MaxSize)
{
byte[] send = new byte[MaxSize - SendSize < SendSizeBag ? (MaxSize - SendSize) : SendSizeBag];
f.Read(send, 0, send.Length);
client.GetStream().Write(send, 0, send.Length);
SendSize = SendSize + send.Length;
ChangeState("正在发送文件.." + File.getName() + "..." + SendSize + "/" + MaxSize);
onFileTransferMissionAcc?.Invoke(this, 100.0 * (Convert.ToDouble(SendSize) / MaxSize));
}
ChangeState("文件发送完成");
MaxSize = -1;
SendSize = 0;
}
catch
{
Stop();
}
Sending = false;
}
/// <summary>
/// 从文件描述字符串集合中获取所有文件描述的数组
/// </summary>
/// <param name="fstring"></param>
/// <returns></returns>
public List <FileDescription> GetFileDescriptionFromString(string fstring, string windowspath)
{
return(FileDescription.getFileDescriptionFromString(fstring, windowspath));
}
/// <summary>
/// 接收文本型消息的处理函数
/// </summary>
private void GetStringMessage(string msg)
{
if (msg.IndexOf('@') != -1)
{
string[] rmsg = msg.Split('@');
if (rmsg[0] == "GETDIRLIST")
{
ChangeState("正在获取目录列表");
string send = Form1.GetDirList();//只有服务端有
if (send == "")
{
ChangeState("获取目录列表失败");
SendData("DIRLIST@FALSE");
}
else
{
ChangeState("获取目录列表成功，正在发送");
SendData("DIRLIST@" + send);
}
}
if (rmsg[0] == "GETDIR")
{
ChangeState("正在获取" + rmsg[1] + "的文件结构");
string send = Form1.GetDirFilesFromDirName(rmsg[1]);//只有服务端有
if (send == "NULL")
{
ChangeState("获取" + rmsg[1] + "的文件失败");
SendData("DIR@" + rmsg[1] + "@FALSE");
}
else
{
ChangeState("获取" + rmsg[1] + "的文件成功");
SendData("DIR@" + rmsg[1] + "@" + send);
FileDes = GetFileDescriptionFromString(send, downloadPath + "\\" + rmsg[1]);
//ChangeState("目录[" + rmsg[1] + "]的文件结构已发送,共" + FileDes.Count().ToString() + "个文件");
}
}
if (rmsg[0] == "GETFILE")
{
ChangeState("正在获取文件:" + rmsg[1]);
File = null;
foreach (FileDescription i in FileDes)
{
if (i.getFullName() == rmsg[1])
{
File = i;
break;
}
}
if (File == null)
{
ChangeState("获取文件:" + rmsg[1] + "失败,该文件不存在");
SendData("FILE@" + rmsg[1] + "@FALSE");
}
else
{
ChangeState("获取文件:" + rmsg[1] + "成功,准备发送");
SendFile(File);
}
}
if (rmsg[0] == "DIR")
{
ChangeState("收到关于[" + rmsg[1] + "]的请求回复");
if (rmsg[2] == "FALSE")
{
ChangeState("请求失败");
}
else
{
ChangeState(rmsg[2]);
FileDes = GetFileDescriptionFromString(rmsg[2], downloadPath);
ChangeState("文件数量:" + FileDes.Count().ToString());
onDirFile?.Invoke(this);
}
}
if (rmsg[0] == "FILE")
{
ChangeState("收到关于文件[" + rmsg[1] + "]的请求回复");
File = null;
if (rmsg[2] == "FALSE")
{
ChangeState("请求失败");
}
else
{
ChangeState("回复内容:" + rmsg[2]);
}
}
}
onDataString?.Invoke(this, msg);
}
