关于TCPClient从TCPServer接收数据问题
大家好~
我有一个问题要解决~
我创建了一个服务器，每个人都可以连接到该服务器。
服务器的功能是将消息从一个客户端传输到另一个客户端。
我不知道其他客户端何时向客户端发送消息。
我使用Delphi-7来开发程序。
我没有找到任何 TCPClient 对象来监听 TCPServer 发送的消息。
请大家发表一下自己的看法~谢谢:)
Hello everyone~
I have a problem to solve~
I have created a server that every one can connect to this server.
The function of The server is in order to transfer message from one client to another client.
I don't known when the other client send the message to the client.
I use Delphi-7 to develop the program.
I didn't find any TCPClient object to listen the message which the TCPServer send.
Please give me your point of views~thanks :)
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服务器不发起与客户端的对话。如果您的消息传递客户端尚未与服务器建立开放连接，并且服务器需要通知客户端它有消息，则客户端程序需要有一个服务器组件< /em> 以便它可以侦听来自消息服务器的新连接。
一种替代方法是客户端与服务器保持持久连接。当消息到达时，服务器可以向适当的客户端发送通知，因为它已经打开了连接并且客户端正在等待服务器的响应。
Servers don't initiate conversations with clients. If your messaging clients don't already have open connections with the server, and the server needs to notify the client that it has a message, then the client program needs to have a server component so that it can listen for new connections from the message server.
One alternative is for the clients to keep persistent connections open with the server. When a message arrives, the server can send a notification to the appropriate client because it already has a connection open and the client is waiting for a response from the server.