97 lines
2.7 KiB
C
97 lines
2.7 KiB
C
/*
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* Copyright (c) 1983 Regents of the University of California.
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms are permitted
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* provided that: (1) source distributions retain this entire copyright
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* notice and comment, and (2) distributions including binaries display
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* the following acknowledgement: ``This product includes software
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* developed by the University of California, Berkeley and its contributors''
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* in the documentation or other materials provided with the distribution
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* and in all advertising materials mentioning features or use of this
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* software. Neither the name of the University nor the names of its
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* contributors may be used to endorse or promote products derived
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* from this software without specific prior written permission.
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* THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR
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* IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED
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* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
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*/
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#ifndef lint
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static char sccsid[] = "@(#)ctl.c 5.6 (Berkeley) 6/1/90";
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#endif /* not lint */
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/*
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* This file handles haggling with the various talk daemons to
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* get a socket to talk to. sockt is opened and connected in
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* the progress
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*/
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#include "talk_ctl.h"
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struct sockaddr_in daemon_addr = { AF_INET };
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struct sockaddr_in ctl_addr = { AF_INET };
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struct sockaddr_in my_addr = { AF_INET };
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/* inet addresses of the two machines */
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struct in_addr my_machine_addr;
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struct in_addr his_machine_addr;
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u_short daemon_port; /* port number of the talk daemon */
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int ctl_sockt;
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int sockt;
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int invitation_waiting = 0;
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CTL_MSG msg;
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open_sockt()
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{
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int length;
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my_addr.sin_addr = my_machine_addr;
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my_addr.sin_port = 0;
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sockt = socket(AF_INET, SOCK_STREAM, 0);
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if (sockt <= 0)
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p_error("Bad socket");
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if (bind(sockt, &my_addr, sizeof(my_addr)) != 0)
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p_error("Binding local socket");
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length = sizeof(my_addr);
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if (getsockname(sockt, &my_addr, &length) == -1)
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p_error("Bad address for socket");
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}
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/* open the ctl socket */
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open_ctl()
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{
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int length;
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ctl_addr.sin_port = 0;
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ctl_addr.sin_addr = my_machine_addr;
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ctl_sockt = socket(AF_INET, SOCK_DGRAM, 0);
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if (ctl_sockt <= 0)
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p_error("Bad socket");
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#ifdef sgi
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if (bind(ctl_sockt, &ctl_addr, sizeof(ctl_addr)) != 0)
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#else
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if (bind(ctl_sockt, &ctl_addr, sizeof(ctl_addr), 0) != 0)
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#endif
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p_error("Couldn't bind to control socket");
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length = sizeof(ctl_addr);
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if (getsockname(ctl_sockt, &ctl_addr, &length) == -1)
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p_error("Bad address for ctl socket");
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}
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/* print_addr is a debug print routine */
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print_addr(addr)
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struct sockaddr_in addr;
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{
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int i;
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printf("addr = %x, port = %o, family = %o zero = ",
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addr.sin_addr, addr.sin_port, addr.sin_family);
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for (i = 0; i<8;i++)
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printf("%o ", (int)addr.sin_zero[i]);
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putchar('\n');
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}
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