there is a question about socket's port

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the question is like this:
client can call the servant object in server, so there is a port in server,but there isn't a port in client.
I mean that there should be a port(socket's port) which the request client sends will pass by,but I can't see it in the demo's codes and the config file, and I must appoint a port in the client in my project,so I wonder what should I do.
Thank you very much.
client can call the servant object in server, so there is a port in server,but there isn't a port in client.
I mean that there should be a port(socket's port) which the request client sends will pass by,but I can't see it in the demo's codes and the config file, and I must appoint a port in the client in my project,so I wonder what should I do.
Thank you very much.
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if it is, could you tell me which file(.h & .cpp) and which function I must do something in?
BTW,it isn't a commercial need.
Thank you very much.