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Tag: unix-socket

How to reproduce the accept error in Linux

I’m learning Unix Network Programming Volume 1, I want to reproduce the accept error for RST in Linux. server: call socket(), bind(), listen(), and sleep(10) client: call socket(), connect(), setsockopt() of LINGER, close() and return server: call accept() I think that the 3rd steps will get an error like ECONNABORTED, but not. Do I want to know why? I will

why my unix domain socket can’t work

there are two simple program to demo the unix domain DGRAM socket. and the following is the result: it seems like nothing wrong here. but, I get nothing from the server. I don’t know why it can’t run as I expect. Answer You should be sending to /var/run/lsvr.sock not to /var/run/lcli.sock. Also you don’t have to bind in client so

Linux/Unix Socket Self-connection

When a client try to connect to a server, if client and server are both localhost, self-connection may happen(source port and destination port happened to be the same.). But my problem is, client is not listening to that port, how can self-connection be possible? Answer We can simple reproduce this phenomenon with the following python program when we try to

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