EmbLogic's Blog

implemented
# fork statement(duplicate process)
# exec function(replace process)
# signals and sigaction
# pipes
#fifo
issues faced:-
1.file descriptor was not being passed using execl() system call.
->resolved by passing address of the fd in the arguments of execl().
2.while implementing addition through a client, addition was being implemented on the ascii values……
->resolved the issue by using the integer input and type-casting it to the character.
3.while implementing fifo if large data was being passed by the large number of clients, the server wasn’t responding due to garbled data(pid and data).

Completed Server client using pipes and fifo
**Issues faced
#Using Pipe—-The parent was executing before the client and terminating and the data in the pipe was nt read by the client …Resolved using sleep condition in both server and client.

#Using Pipe—The system call pipe when made in if(!pid) condition was nt letting arr to be accessed in parent due to which the pipe wasnt reading data…. Resolved by putting pipe(arr) in the beginning befor fork()

#in fifo project if i ran the client script containing 10-100 clients after ./server then the server is reading data of only the foreground client and terminating…Resolved by running the script first then after 2secs starting the server ./server.

ftp and tftp complete…

i have problem in tftp while file transfer by using ip address….like transfer time out….

I have imlemented signal and sigaction without information of signal.
but I am geting problem in printing the signal information

I purchased a USB to Parallel port cable ( it supports ieee1284 standard).This cable is Plug and play cable.
I dont have a parallel port on my laptop. I want to do Compatibility mode project(ie. LED Glow) through laptop.
How to do this?
Dear all experts Please help me to resolve this.

Thank you verymuch. and Have a nice time.

IPC implemented using

#8pipes: struck at sending the processed data from server to client without using sleep();

#2pipes:data gets overwritten frequently.Working on it.

#fifo:all clients approach the server at almost the same time causing certain issues in the transfer of data. Working on it.