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Annotation of cci/usr/src/ucb/talk/ctl.c, revision 1.1.1.1

1.1       root        1: /* $Header: ctl.c,v 1.2 85/01/09 13:04:43 rcs Exp $ */
                      2: 
                      3: /* This file handles haggling with the various talk daemons to
                      4:    get a socket to talk to. sockt is opened and connected in
                      5:    the progress
                      6:  */
                      7: 
                      8: #include "talk_ctl.h"
                      9: 
                     10: struct sockaddr_in daemon_addr = { AF_INET };
                     11: struct sockaddr_in ctl_addr = { AF_INET };
                     12: struct sockaddr_in my_addr = { AF_INET };
                     13: 
                     14:     /* inet addresses of the two machines */
                     15: struct in_addr my_machine_addr;
                     16: struct in_addr his_machine_addr;
                     17: 
                     18: u_short daemon_port;   /* port number of the talk daemon */
                     19: 
                     20: int ctl_sockt;
                     21: int sockt;
                     22: int invitation_waiting = 0;
                     23: 
                     24: CTL_MSG msg;
                     25: 
                     26: open_sockt()
                     27: {
                     28:     int length;
                     29: 
                     30:     my_addr.sin_addr = my_machine_addr;
                     31:     my_addr.sin_port = 0;
                     32: 
                     33:     sockt = socket(AF_INET, SOCK_STREAM, 0, 0);
                     34: 
                     35:     if (sockt <= 0) {
                     36:        p_error("Bad socket");
                     37:     }
                     38: 
                     39:     if ( bind(sockt, &my_addr, sizeof(my_addr)) != 0) {
                     40:        p_error("Binding local socket");
                     41:     }
                     42: 
                     43:     length = sizeof(my_addr);
                     44: 
                     45:     if (getsockname(sockt, &my_addr, &length) == -1) {
                     46:        p_error("Bad address for socket");
                     47:     }
                     48: 
                     49: }
                     50: 
                     51:     /* open the ctl socket */
                     52: 
                     53: open_ctl() 
                     54: {
                     55:     int length;
                     56: 
                     57:     ctl_addr.sin_port = 0;
                     58:     ctl_addr.sin_addr = my_machine_addr;
                     59: 
                     60:     ctl_sockt = socket(AF_INET, SOCK_DGRAM, 0, 0);
                     61: 
                     62:     if (ctl_sockt <= 0) {
                     63:        p_error("Bad socket");
                     64:     }
                     65: 
                     66:     if (bind(ctl_sockt, &ctl_addr, sizeof(ctl_addr), 0) != 0) {
                     67:        printf("Address is: ");
                     68:        print_addr(ctl_addr);
                     69:        p_error("Couldn't bind to control socket");
                     70:     }
                     71: 
                     72:     length = sizeof(ctl_addr);
                     73:     if (getsockname(ctl_sockt, &ctl_addr, &length) == -1) {
                     74:        p_error("Bad address for ctl socket");
                     75:     }
                     76: }
                     77: 
                     78: /* print_addr is a debug print routine. moved to print.c */
                     79: /*
                     80: /*print_addr(addr)
                     81: /*struct sockaddr_in addr;
                     82: /*{
                     83: /*    int i;
                     84: /*
                     85: /*    printf("addr = %x, port = %o, family = %o zero = ",
                     86: /*         addr.sin_addr, addr.sin_port, addr.sin_family);
                     87: /*
                     88: /*    for (i = 0; i<8;i++) {
                     89: /*     printf("%o ", (int)addr.sin_zero[i]);
                     90: /*    }
                     91: /*    putchar('\n');
                     92: /*}
                     93: /**/

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