从多个客户端向服务器发送视频文件

本文关键字：视频 文件 服务器 客户端 | 更新日期: 2023-09-27 18:16:56

我正在使用我在网上找到的客户端/服务器代码进行通信:

客户:

    public void Send(string name, string path)
    {
        try
        {
            IPAddress[] ipAddress = Dns.GetHostAddresses("address");
            IPEndPoint ipEnd = new IPEndPoint(ipAddress[0], 5656);
            Socket clientSock = new Socket(AddressFamily.InterNetwork, SocketType.Stream, ProtocolType.IP);
            string fileName = "somefile";
            string filePath = path;
            byte[] fileNameByte = Encoding.ASCII.GetBytes(fileName);
            byte[] fileData = File.ReadAllBytes(System.IO.Path.Combine(filePath, fileName)); 
            byte[] clientData = new byte[4 + fileNameByte.Length + fileData.Length];
            byte[] fileNameLen = BitConverter.GetBytes(fileNameByte.Length);
            fileNameLen.CopyTo(clientData, 0);
            fileNameByte.CopyTo(clientData, 4);
            fileData.CopyTo(clientData, 4 + fileNameByte.Length);
            clientSock.Connect(ipEnd);
            clientSock.Send(clientData);
            MessageBox.Show("file has been send: " + fileName);
            clientSock.Close();
        }
        catch (Exception ex)
        {
            Console.WriteLine("File Sending fail." + ex.Message);
        }
    }
服务器:

public void Receive()
    {
        try
        {
            lblInfo.Content = "That program can transfer small file. I've test up to 850kb file";
            IPEndPoint ipEnd = new IPEndPoint(IPAddress.Any, 5656);
            Socket sock = new Socket(AddressFamily.InterNetwork, SocketType.Stream, ProtocolType.IP);
            sock.Bind(ipEnd);
            sock.Listen(100);
            Socket clientSock = sock.Accept();
            // 1024 * 25.000 = 25mb max that can be received at once with this program.
            byte[] clientData = new byte[1024 * 25000];
            string receivedPath = Environment.GetFolderPath(Environment.SpecialFolder.DesktopDirectory) + "''";
            int receivedBytesLen = clientSock.Receive(clientData);
            int fileNameLen = BitConverter.ToInt32(clientData, 0);
            string fileName = Encoding.ASCII.GetString(clientData, 4, fileNameLen);
            lblInfo.Content = "Client: connected & File started received.";
            BinaryWriter bWrite = new BinaryWriter(File.Open(receivedPath + fileName, FileMode.Append)); ;
            bWrite.Write(clientData, 4 + fileNameLen, receivedBytesLen - 4 - fileNameLen);
            lblInfo.Content = "File: received & saved at path: " + receivedPath;
            bWrite.Close();
            clientSock.Close();
        }
        catch (Exception ex)
        {
            lblInfo.Content = "File Receiving fail." + ex.Message;
        }
    }

对于将文件传输到服务器的一个客户机来说，这段代码工作得很好。我想知道我如何改变这段代码，使其与多个客户端通信，可以发送文件到服务器?

同样，服务器代码'挂起'在Socket clientSock = sock.Accept();并等待，直到它接收到一些东西。如果有一个"监听器"来监听新传入的文件，然后循环遍历代码，而不是在那一行无休止地等待，那就太好了。

我是客户端/服务器编程的新手，希望大家多多指教。

从多个客户端向服务器发送视频文件

下面是为新连接创建循环的说明:

http://msdn.microsoft.com/en-us/library/dz10xcwh.aspx 

IPEndPoint ipEnd = new IPEndPoint(IPAddress.Any, 5656);
Socket listener = new Socket(AddressFamily.InterNetwork, SocketType.Stream, ProtocolType.IP);
listener.Bind(ipEnd);
listener.Listen(100);
Console.WriteLine("Waiting for a connection...");
Socket handler = listener.Accept();
while (true)
{
    // 1024 * 25.000 = 25mb max that can be received at once with this program.
    byte[] clientData = new byte[1024 * 25000];
    string receivedPath = Environment.GetFolderPath(Environment.SpecialFolder.DesktopDirectory) + "''";
    int bytesRec = handler.Receive(clientData);
    int fileNameLen = BitConverter.ToInt32(clientData, 0);
    string fileName = Encoding.ASCII.GetString(clientData, 4, fileNameLen);
    BinaryWriter bWrite = new BinaryWriter(File.Open(receivedPath + fileName, FileMode.Append)); ;
    bWrite.Write(clientData, 4 + fileNameLen, bytesRec - 4 - fileNameLen);
    bWrite.Close();
}
//dont forget to close handler at server shutdown
//handler.Shutdown(SocketShutdown.Both);
//handler.Close();
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