void sender(char *message1, char *message2,char *machine, int port)
{
int s, n;
char message[SIZE];
struct sockaddr_in mySocketAddress, yourSocketAddress;
if(( s = socket(AF_INET, SOCK_DGRAM, 0))<0) {
perror("socket failed");
return;
}
/*
if((x = setsockopt(s, SOL_SOCKET, SO_BROADCAST, &arg, sizeof(arg))<0)
perror("setsockopt SO_BROADCAST---");
exit(-1);
*/
makeLocalSA(&mySocketAddress);
if( bind(s, (struct sockaddr *)&mySocketAddress, sizeof(struct sockaddr_in))!= 0){
perror("Bind failed\n");
close (s);
return;
}
printSA(mySocketAddress);
makeDestSA(&yourSocketAddress,machine, port);
printSA(yourSocketAddress);
strcpy(message,message1);
if( (n = sendto(s, message, strlen(message), 0, (struct sockaddr *)&yourSocketAddress,
sizeof(struct sockaddr_in))) < 0)
perror("Send failed\n");
if(n != strlen(message)) printf("sent %d\n",n);
strcpy(message,message2);
if( (n = sendto(s, message, strlen(message), 0, (struct sockaddr *)&yourSocketAddress,
sizeof(struct sockaddr_in))) < 0)
perror("Send failed\n");
if(n != strlen(message)) printf("sent %d\n",n);
close(s);
}
int main()
{ int s, n, sk1, i;
int port = REC_PORT; /* Server's port */
struct sockaddr_in sa; /* socket adress structure */
struct hostent *host;
char h[20];
struct info x, list1[REC];
printf("Enter server name:");
fgets(h, 20, stdin);
h[strlen(h) - 1] = 0;
/* replace newline character put in by fgets */
/* with null */
sa=makeDestSA(h, port);
/* client socket */
if ((s = socket(AF_INET, SOCK_STREAM, 0)) == -1)
return;
else {
printf("First name: "); /* query input*/
fgets(x.name1, 15, stdin);
printf("Last name:");
fgets(x.name2, 15, stdin);
printf("Phone:");
fgets(x.phone, 10, stdin);
x.name1[strlen(x.name1) - 1] = 0;
x.name2[strlen(x.name2) - 1] = 0;
x.phone[strlen(x.phone) - 1] = 0;
/* connect to server */
if(connect(s, (struct sockaddr *)&sa,sizeof(struct sockaddr_in)) < 0 ) {
perror("Connection refused\n");
return;
}
else {
/*send to socket - receive from socket */
write(s, &x, sizeof(struct info));
read(s , &sk1, sizeof(int));
if(sk1 < 0) {
printf("\nNot found in directory: %s %s %s\n", x.name1,
x.name2, x.phone);
}
else {
for(i=0;i<=sk1;i++)
read(s, &list1[i], sizeof(struct info));
printf("Retrieved data for: %s; %s; %s;\n",x.name1,
x.name2, x.phone);
for(i=0;i<=sk1;i++)
printf("*-*: %s, %s, %s\n",list1[i].name1,
list1[i].name2, list1[i].phone);
}
close(s);
}
}
return;
}
