Server
Design Alternatives
ü client.c
Example Use:
% client something 9999 5 500
4000
means:
contact a server running at something
port 9999 and
creates 5 children, each makes 500 TCP connections and
in each connection sends 5
bytes "4000\n"
and gets 4000 bytes from server.
ü serv00.c
(it
uses web_child.c & pr_cpu_time.c)
To test this server, we run only one client as:
something % cd /home/cs779/stevens3rd.book/unpv13e/server
something % serv00 9999
somethingmore % client something 9999
1 5000 4000
I.e., one client makes 5,000 TCP connections.
When client is done, interrupt the
server and it will print:
^C
user time = 0.134386, sys time = 1.58777
ü
serv01.c
(it uses sig_chld_waitpid.c )
Example
Use:
something % serv01 9999
somethingmore % client something 9999 5 500
4000
somethingextra % client something 9999 5 500 4000
^C
user time = 4.19626, sys time = 19.5181
ü serv06.c
Example Use:
something % serv06 9999
somethingmore % client something 9999 5 500
4000
somethingextra % client something 9999 5 500
4000
^C
user time = 0.851565, sys time = 3.22727