/// <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;
}
private void RecvMessage()
{
while (FileSocketState != "关闭")
{
try
{
NetworkStream netS = client.GetStream();
if (netS.DataAvailable == true && Sending == false)
{
if (MaxSize == -1)
{
byte[] head = new byte[15];
int heads = 0;
while (heads < 15)
{
byte[] f = new byte[1];
netS.Read(f, 0, 1);
if (f[0] == 0 && head[0] == 0)
{
continue;
}
head[heads] = f[0];
heads++;
}
MemoryStream tmpMs = new MemoryStream(head);
BinaryReader tmpMsReader = new BinaryReader(tmpMs);
string msg = Encoding.GetEncoding("GBK").GetString(tmpMsReader.ReadBytes(6));
if (msg == "USHIOP")
{
//合法数据包头
//进行设置
NowDataType = (char)tmpMsReader.ReadByte(); //当前传输类型
MaxSize = tmpMsReader.ReadInt64(); //读取数据流总大小
tmpStream = new MemoryStream();
}
tmpMsReader.Close();
tmpMs.Dispose();
tmpMs.Close();
}
if (MaxSize != -1 && tmpStream != null)
{
byte[] result = new byte[MaxSize - GetSize < SendSizeBag ? (MaxSize - GetSize) : SendSizeBag];
GetSize = GetSize + netS.Read(result, 0, result.Length);
tmpStream.Write(result, 0, result.Length);
ChangeState("正在接受数据..." + GetSize + "/" + MaxSize);
onFileTransferMissionGetAcc?.Invoke(this, NowDataType, 100.0 * (Convert.ToDouble(GetSize) / MaxSize));
if (GetSize >= MaxSize)
{
ChangeState("接受数据完成");
MaxSize = -1;
GetSize = 0;
SendSize = 0;
if (NowDataType == 's')
{
byte[] tmp = new byte[tmpStream.Length];
tmpStream.Position = 0;
tmpStream.Read(tmp, 0, Convert.ToInt32(tmpStream.Length));
tmpStream.Dispose();
tmpStream.Close();
tmpStream = null;
GetStringMessage(Encoding.GetEncoding("GBK").GetString(tmp));
}
if (NowDataType == 'd')
{
ChangeState("正在整合文件" + File.getName() + "..");
MaxSize = -1;
GetSize = 0;
SendSize = 0;
long readsize = 0;
tmpStream.Position = 0;
FileStream save = new FileStream(File.getFullPath(), FileMode.Create);
while (readsize < tmpStream.Length)
{
long bytesize = tmpStream.Length - readsize > SendSizeBag ? SendSizeBag : tmpStream.Length - readsize;
byte[] tmp = new byte[bytesize];
readsize = readsize + tmpStream.Read(tmp, 0, tmp.Length);
save.Write(tmp, 0, tmp.Length);
ChangeState("正在整合文件" + File.getName() + ".." + readsize.ToString() + "/" + tmpStream.Length);
}
tmpStream.Dispose();
tmpStream.Close();
tmpStream = null;
save.Dispose();
save.Close();
save = null;
onFileTransferMissionComplete?.Invoke(this, File);
}
NowDataType = 'p';
}
}
}
}
catch
{
Stop();
}
}
}
