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Editorial Team
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Asked: 2026-05-16T22:01:37+00:00

I am going to write a TCP server, the client sends me XML message,

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I am going to write a TCP server, the client sends me XML message, I am wondering if below condition will happen and how to avoid that:

1) client sends <cmd ...></cmd>
2) sever is busy doing something
3) clients sends <cmd ...></cmd>
4) server does a recv() and put the string to buffer

Will the buffer be filled with <cmd ...></cmd><cmd ...></cmd> or even worse <cmd ...></cmd><cmd ... if my buffer is not big enough?

What I want is the TCP stack divides the messages to the same pieces as how clients sent them.

Is it doable?

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1 Answer

  1. Editorial Team

    You often write clients in the plural form: are there several clients connecting to your server? In this case, each client should be using its own TCP stream, and the issue you are describing should never occur.

    If the various commands are send from a single client, then you should write your client code so that it waits for the answer to a command before issuing the next one.

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