void sendOspfPacket(char *interface, char *destIP, char *ospfPacket, int packetLength)
{
int socketfd;
struct sockaddr_in ospfServer;
ospfServer.sin_family = AF_INET;
ospfServer.sin_addr.s_addr = inet_addr (destIP);
printf("Sending OSPF Packet to interface = %s Dest = %s, Length=%d \n", interface, destIP, packetLength);
// Create a raw socket with OSPF Protocol
socketfd = createRawSocket(interface);
// Send ospf packet to destination with IP destIP received as argument
if (sendto (socketfd, ospfPacket, packetLength, 0, (struct sockaddr *) &ospfServer, sizeof (ospfServer)) < 0)
perror("sendto failed");
else
printf ("OSPF Packet Sent .....\n\n\n");
close(socketfd);
// Print the contents of ospf packet sent
int i=0;
for(i=0;i<packetLength;i++)
printf("0x%02X ", ospfPacket[i]);
printf("\n");
}
int main(){
rsfd=createRawSocket(55);
char msg[25];
sprintf(msg, "%s", "This is message!!");
int l=strlen(msg);
msg[l]='\0';
char optional[25];
sprintf(optional, "%s", "This is optional!!");
l=strlen(optional);
optional[l]='\0';
char datagram[BUFF];
createPacket(datagram, msg, optional);
sendPacket(datagram);
return 0;
}
int main(int argc, char* argv[]){
signal(SIGUSR1, handle);
printf("pid: %d\n", getpid());
init();
int i;
for(i=0; i<pnum; i++)
cpid[i]=atoi(argv[2+pnum+i]);
for(i=0; i<pnum; i++)
usfd[i]=connect_to_unix(argv[2+i]);
sfd=createSocket(atoi(argv[1]));
rsfd=createRawSocket(55);
start();
}
