tongluocq / socket_in_onefile

socket_in_onefile

1. compile this single into two exe separately.

//gcc -o golclient -std=c99 -Wall -Wextra -pedantic-errors socket_gols.c && gcc -o golserver -std=c99 -Wall -Wextra -pedantic-errors socket_gols.c

/* how to use the two programm in one file socket communication toolbox:

run server in one terminal, it will wait client sending msg

Tongs-MacBook-Pro:Downloads tongluo$ gcc -o golclient -std=c99 -Wall -Wextra -pedantic-errors socket_gols.c && gcc -o golserver -std=c99 -Wall -Wextra -pedantic-errors socket_gols.c Tongs-MacBook-Pro:Downloads tongluo$ ./golserver ./golserver I am listening. start accept 4

Hello: (from Client). ss server's Hello message sent Hello: (from Client). ss server's Hello message sent Hello: (from Client). ss server's Hello message sent Hello: (from Client). saa server's Hello message sent Hello: (from Client). sdaddd server's Hello message sent Hello: (from Client). q1212d server's Hello message sent Hello: (from Client). q1221d server's Hello message sent Hello: (from Client). as121d server's Hello message sent Hello: (from Client). aa121d server's Hello message sent Hello: (from Client). ssss1d server's Hello message sent Hello: (from Client). 1sss1d server's Hello message sent Hello: (from Client). 1sss1d server's Hello message sent Hello: (from Client). 1sss1d server's Hello message sent Hello: (from Client). 1sss1d server's Hello message sent Hello: (from Client). 1sss1d Tongs-MacBook-Pro:Downloads tongluo$

*/

/*

run client in other terminal, then type msg, waiting server's reply

Tongs-MacBook-Pro:Downloads tongluo$ ./golclient 0 hhh enter mode of only one command; ./golclient

ss

ss $>message sent from client. Hello: (from Client). ss $>Hello: (from Server).

s

s $>message sent from client. Hello: (from Client). s $>Hello: (from Server).

s

s $>message sent from client. Hello: (from Client). s $>Hello: (from Server).

saa

saa $>message sent from client. Hello: (from Client). saa $>Hello: (from Server).

sdaddd

sdaddd $>message sent from client. Hello: (from Client). sdaddd $>Hello: (from Server).

q1212

q1212 $>message sent from client. Hello: (from Client). q1212 $>Hello: (from Server).

q1221

q1221 $>message sent from client. Hello: (from Client). q1221 $>Hello: (from Server).

as1

as1 $>message sent from client. Hello: (from Client). as1 $>Hello: (from Server).

aa

aa $>message sent from client. Hello: (from Client). aa $>Hello: (from Server).

ssss

ssss $>message sent from client. Hello: (from Client). ssss $>Hello: (from Server).

1

1 $>message sent from client. Hello: (from Client). 1 $>Hello: (from Server).

q

Tongs-MacBook-Pro:Downloads tongluo$

*/

2. reference

//http://www.cs.tau.ac.il/~eddiea/samples/Non-Blocking/tcp-nonblocking-server.c.html //https://pubs.opengroup.org/onlinepubs/009695399/functions/send.html