在Unity中将消息从一个程序发送到另一个程序

Question

我有两个不同的可执行文件在同一台运行Windows OS的计算机上运行.它们都是在Unity中构建的.我想在不使用网络的情况下将消息从一个发送到另一个.

如何从exe程序向Unity中的另一个exe程序发送消息？

这是可能的integrated Mono/.net functionality或其他什么？

Answer 1

您可以使用命名管道,它使用共享内存与同一台计算机上的另一个应用程序进行通信.

转到文件 - > 构建设置...选择PC,Mac和Linux单机然后点击播放器设置....现在,将Api兼容级别更改为.NET 2.0.

关闭并重新打开Visual Studio.现在,您可以导入using System.IO.Pipes;并能够使用NamedPipeServerStream和NamedPipeClientStream.

下面是一个非常简化的服务器和客户端.您必须在a中执行此操作,Thread并且还应处理异常.

如果您不想使用Thread,还有异步参数(PipeOptions.Asynchronous)使其成为非阻塞运算符.它从那里变得复杂,你必须在MS doc上寻找一些例子.

简单服务器:

//Create Server Instance
NamedPipeServerStream server = new NamedPipeServerStream("MyCOMApp", PipeDirection.InOut, 1);
//Wait for a client to connect
server.WaitForConnection();
//Created stream for reading and writing
StreamString serverStream = new StreamString(server);
//Send Message to Client
serverStream.WriteString("Hello From Server");
//Read from Client
string dataFromClient = serverStream.ReadString();
UnityEngine.Debug.Log("Received from Client: " + dataFromClient);
//Close Connection
server.Close();

简单客户:

//Create Client Instance
NamedPipeClientStream client = new NamedPipeClientStream(".", "MyCOMApp",
               PipeDirection.InOut, PipeOptions.None,
               TokenImpersonationLevel.Impersonation);

//Connect to server
client.Connect();
//Created stream for reading and writing
StreamString clientStream = new StreamString(client);
//Read from Server
string dataFromServer = clientStream.ReadString();
UnityEngine.Debug.Log("Received from Server: " + dataFromServer);
//Send Message to Server
clientStream.WriteString("Bye from client");
//Close client
client.Close();

StreamString来自MS Doc的课程:

public class StreamString
{
    private Stream ioStream;
    private UnicodeEncoding streamEncoding;

    public StreamString(Stream ioStream)
    {
        this.ioStream = ioStream;
        streamEncoding = new UnicodeEncoding();
    }

    public string ReadString()
    {
        int len = 0;

        len = ioStream.ReadByte() * 256;
        len += ioStream.ReadByte();
        byte[] inBuffer = new byte[len];
        ioStream.Read(inBuffer, 0, len);

        return streamEncoding.GetString(inBuffer);
    }

    public int WriteString(string outString)
    {
        byte[] outBuffer = streamEncoding.GetBytes(outString);
        int len = outBuffer.Length;
        if (len > UInt16.MaxValue)
        {
            len = (int)UInt16.MaxValue;
        }
        ioStream.WriteByte((byte)(len / 256));
        ioStream.WriteByte((byte)(len & 255));
        ioStream.Write(outBuffer, 0, len);
        ioStream.Flush();

        return outBuffer.Length + 2;
    }
}