[Serusers] SER initialization/main loop queries

Gaurav Kansal gkansal at velankani.com
Mon Dec 4 11:13:34 CET 2006


Hi

 

I am going through the SER code. Can somebody please confirm if my
understanding is correct in the following things happening during
initialization time?

 

1.      Use of "children" in cfg file:  SER will fork a process for the IP
interface specified; if not then one process each for all the IP addresses
in the system. This it will do for TCP as well as UDP as well as TLS, means
separate processes for each. 

 

Does "children" mean that how many processes you want to fork for each IP
interface (or a socket) on which SER is listening? So depending on number of
children, there will be multiple forked processes for each IP address/port.

 

2.      If four children are forked for one process, then which one actually
receives from socket as all four will be listening on same IP address/port?
Is it that some list is maintained and at one time only the process at head
node of list calls recvfrom()? After it receives and processes the incoming
request, it is put to tail of list.

 

3.      Why is the suggested "children" value 4?

 

Regards,

Gaurav Kansal

 

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