92 lines
1.8 KiB
C
92 lines
1.8 KiB
C
#ifndef lint
|
|
static char sccsid[] = "@(#)ctl.c 1.1 92/07/30 SMI"; /* from UCB 1.4 83/06/09 */
|
|
#endif
|
|
|
|
/* This file handles haggling with the various talk daemons to
|
|
get a socket to talk to. sockt is opened and connected in
|
|
the progress
|
|
*/
|
|
|
|
#include "talk_ctl.h"
|
|
|
|
struct sockaddr_in daemon_addr = { AF_INET };
|
|
struct sockaddr_in ctl_addr = { AF_INET };
|
|
struct sockaddr_in my_addr = { AF_INET };
|
|
|
|
/* inet addresses of the two machines */
|
|
struct in_addr my_machine_addr;
|
|
struct in_addr his_machine_addr;
|
|
|
|
u_short daemon_port; /* port number of the talk daemon */
|
|
|
|
int ctl_sockt;
|
|
int sockt;
|
|
int invitation_waiting = 0;
|
|
|
|
CTL_MSG msg;
|
|
|
|
open_sockt()
|
|
{
|
|
int length;
|
|
|
|
my_addr.sin_addr = my_machine_addr;
|
|
my_addr.sin_port = 0;
|
|
|
|
sockt = socket(AF_INET, SOCK_STREAM, 0, 0);
|
|
|
|
if (sockt <= 0) {
|
|
p_error("Bad socket");
|
|
}
|
|
|
|
if ( bind(sockt, &my_addr, sizeof(my_addr)) != 0) {
|
|
p_error("Binding local socket");
|
|
}
|
|
|
|
length = sizeof(my_addr);
|
|
|
|
if (getsockname(sockt, &my_addr, &length) == -1) {
|
|
p_error("Bad address for socket");
|
|
}
|
|
}
|
|
|
|
/* open the ctl socket */
|
|
|
|
open_ctl()
|
|
{
|
|
int length;
|
|
|
|
ctl_addr.sin_port = 0;
|
|
ctl_addr.sin_addr = my_machine_addr;
|
|
|
|
ctl_sockt = socket(AF_INET, SOCK_DGRAM, 0, 0);
|
|
|
|
if (ctl_sockt <= 0) {
|
|
p_error("Bad socket");
|
|
}
|
|
|
|
if (bind(ctl_sockt, &ctl_addr, sizeof(ctl_addr), 0) != 0) {
|
|
p_error("Couldn't bind to control socket");
|
|
}
|
|
|
|
length = sizeof(ctl_addr);
|
|
if (getsockname(ctl_sockt, &ctl_addr, &length) == -1) {
|
|
p_error("Bad address for ctl socket");
|
|
}
|
|
}
|
|
|
|
/* print_addr is a debug print routine */
|
|
|
|
print_addr(addr)
|
|
struct sockaddr_in addr;
|
|
{
|
|
int i;
|
|
|
|
printf("addr = %x, port = %o, family = %o zero = ",
|
|
addr.sin_addr, addr.sin_port, addr.sin_family);
|
|
|
|
for (i = 0; i<8;i++) {
|
|
printf("%o ", (int)addr.sin_zero[i]);
|
|
}
|
|
putchar('\n');
|
|
}
|