W. Richard Stevens UNIX Network Programming Prentice Hall
sarat chandra Annadata wrote:
Hai, I am need of some urgent techinical help to pull me out of a little problem. I have been trying to broadcast a UDP packet(actually it is a DHCP offer packet) but havent' successfully done it sofar. The following is the descripttion about how I have been trying to do it.
1) I am creating a socket with sock_dgram option.
2)Next I am filling up the sockaddr_in structure, with IP address 255.255.255.255 and port number as DHCP client port number.
3)I am using the setsockopt call with at SOL_SOCKET level, with SO_BROADCAST FLAG.
This call is not successfully returning.
moreover I am successfully setting the flag at the IP-level in either case my send or sendto system calls fail.
I want some guidance regarding this, I want to use only socket interface, in UNIX with C.
Please pull me out of this, and I shall be grateful to you. A working piece of code will be of great help
Thank you,
Sincerely Sarat Chandra.
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