Can i get the client ip and port which connect to server socket in flexsim

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yexioamu asked Aug 18 2023 at 8:42 AM Natalie White commented Aug 30 2023 at 8:01 PM

Can i get the client ip and port which connect to server socket in flexsim

Can i get the remote client ip and port which connect to server socket in flexsim

Software Version:

FlexSim 21.2.4

socket

· 7

Natalie White commented · Aug 18 2023 at 2:11 PM

You create a server socket that listens for connections to a specified port using servercreatemain(). So, you choose the port number. Your client needs to know the IP address of your server, but I'm not sure if you can access your client's IP address.

Does this help, or were you trying to ask about something else? Would an example of using a socket be useful?

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yexioamu Natalie White commented · Aug 18 2023 at 2:20 PM

I mean that I create a server socket in flexsim, I have several clients with different ip and port, when they connect to the server socket, I want to know which client connect, and the client won’t send its own ip and port in the message

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Natalie White yexioamu commented · Aug 18 2023 at 2:46 PM

Got it. Are you trying to send the message with clientsend()? This function can only send a string.

If you're able to attach your model, that would be helpful.

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Jason Lightfoot ♦♦ commented · Aug 24 2023 at 3:06 PM

Hi @yexioamu, was one of Natalie White's or Phil BoBo's answers helpful? If so, please click the "Accept" button at the bottom of the one that best answers your question. Or if you still have questions, add a comment and we'll continue the conversation.

If we haven't heard back from you within 3 business days we'll auto-accept an answer, but you can always comment back to reopen your question.

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Answer 1 · 2023-08-21T13:39:08Z

Phil BoBo answered Aug 21 2023 at 1:39 PM

The FlexScript socket commands do not give you access to the connecting client's ip address. The serveraccept() function returns an index for the client connection that is subsequently used to receive messages from that client using serverreceive().

If you want more control over the communication than you get with the FlexScript commands, use external code, such as Python or C++. See Connecting to External Code.

See also accept function (C++) or socket.accept (Python).

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