Modify the existing process of LocalSocket to support LocalSocket functionality

[wangchen61698]

Summary

Modify the existing process of LocalSocket to support LocalSocket functionality

Impact

localsocket

Testing

Refers to The Linux Programming Interface(https://www.man7.org/tlpi/index.html) chapter 57(sockets:UNIX DOMAIN) and their demo （us_xfr_sv.c & us_xfr_cl.c & ud_ucase_sv.c & ud_ucase_cl.c）
resouce code:
localsocket_tcp.zip
localsocket_udp.zip
test result:
TCP localsocket:

UDP localsocket:

[acassis]

@wangchen61698 there are many modifications in many files and you didn't include any comment about Testing. Did you test it? How did you test it? Please include more information here, include commit message and if possible instructions to let other people to test it too.

[wangchen61698]

@wangchen61698 there are many modifications in many files and you didn't include any comment about Testing. Did you test it? How did you test it? Please include more information here, include commit message and if possible instructions to let other people to test it too.

I will complete the information later

[wangchen61698]

@wangchen61698 there are many modifications in many files and you didn't include any comment about Testing. Did you test it? How did you test it? Please include more information here, include commit message and if possible instructions to let other people to test it too.
@acassis

The testing information has been supplemented