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Annotation of Net2/tests/netiso/tesis.c, revision 1.1

1.1     ! root        1: /*-
        !             2:  * Copyright (c) 1988, 1990 The Regents of the University of California.
        !             3:  * All rights reserved.
        !             4:  *
        !             5:  * Redistribution and use in source and binary forms, with or without
        !             6:  * modification, are permitted provided that the following conditions
        !             7:  * are met:
        !             8:  * 1. Redistributions of source code must retain the above copyright
        !             9:  *    notice, this list of conditions and the following disclaimer.
        !            10:  * 2. Redistributions in binary form must reproduce the above copyright
        !            11:  *    notice, this list of conditions and the following disclaimer in the
        !            12:  *    documentation and/or other materials provided with the distribution.
        !            13:  * 3. All advertising materials mentioning features or use of this software
        !            14:  *    must display the following acknowledgement:
        !            15:  *     This product includes software developed by the University of
        !            16:  *     California, Berkeley and its contributors.
        !            17:  * 4. Neither the name of the University nor the names of its contributors
        !            18:  *    may be used to endorse or promote products derived from this software
        !            19:  *    without specific prior written permission.
        !            20:  *
        !            21:  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
        !            22:  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
        !            23:  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
        !            24:  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
        !            25:  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
        !            26:  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
        !            27:  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
        !            28:  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
        !            29:  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
        !            30:  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
        !            31:  * SUCH DAMAGE.
        !            32:  */
        !            33: 
        !            34: #ifndef lint
        !            35: char copyright[] =
        !            36: "@(#) Copyright (c) 1988, 1990 The Regents of the University of California.\n\
        !            37:  All rights reserved.\n";
        !            38: #endif /* not lint */
        !            39: 
        !            40: #ifndef lint
        !            41: static char sccsid[] = "@(#)Tesis.c    7.1 (Berkeley) 5/7/91";
        !            42: #endif /* not lint */
        !            43: 
        !            44: /* Modifications
        !            45:  * Copyright (c) 1990 Robert Hagens
        !            46:  */
        !            47: 
        !            48: /*
        !            49:  * This is a test program to listen to esis packets.
        !            50:  */
        !            51: #include <sys/param.h>
        !            52: #include <sys/uio.h>
        !            53: #include <sys/socket.h>
        !            54: #include <sys/ioctl.h>
        !            55: #include <net/route.h>
        !            56: #include <net/if.h>
        !            57: #define  TCPT_NTIMERS 4
        !            58: #include <netiso/iso.h>
        !            59: #include <netiso/tp_param.h>
        !            60: #include <netiso/tp_user.h>
        !            61: 
        !            62: #include <stdio.h>
        !            63: #include <errno.h>
        !            64: #include <ctype.h>
        !            65: #include <netdb.h>
        !            66: 
        !            67: 
        !            68: #define dbprintf if(verbose)printf
        !            69: #define try(a,b,c) {x = (a b); dbprintf("%s%s returns %d\n",c,"a",x);\
        !            70:                if(x<0) {perror("a"); myexit(0);}}
        !            71: 
        !            72: 
        !            73: struct  ifreq ifr;
        !            74: short port = 3000;
        !            75: struct  sockaddr_iso faddr, laddr = { sizeof(laddr), AF_ISO };
        !            76: struct  sockaddr_iso *siso = &laddr;
        !            77: char **xenvp;
        !            78: 
        !            79: long size, count = 10, forkp, confp, echop, mynamep, verbose = 1, playtag = 0;
        !            80: long records, intercept = 0, isode_mode;
        !            81: 
        !            82: char buf[2048];
        !            83: char your_it[] = "You're it!";
        !            84: 
        !            85: char *Servername;
        !            86: 
        !            87: main(argc, argv, envp)
        !            88: int argc;
        !            89: char *argv[];
        !            90: char *envp[];
        !            91: {
        !            92:        tisink();
        !            93: }
        !            94: #define BIG 2048
        !            95: #define MIDLIN 512
        !            96: char readbuf[BIG];
        !            97: struct iovec iov[1] = {
        !            98:        readbuf,
        !            99:        sizeof readbuf,
        !           100: };
        !           101: char name[MIDLIN];
        !           102: union {
        !           103:     struct {
        !           104:            struct cmsghdr      cmhdr;
        !           105:            char                cmdata[128 - sizeof(struct cmsghdr)];
        !           106:     } cm;
        !           107:     char data[128];
        !           108: } cbuf;
        !           109: #define control cbuf.data
        !           110: struct msghdr msghdr = {
        !           111:        name, sizeof(name),
        !           112:        iov, sizeof(iov)/sizeof(iov[1]),
        !           113:        control, sizeof control,
        !           114:        0 /* flags */
        !           115: };
        !           116: 
        !           117: tisink()
        !           118: {
        !           119:        int x, s, pid, on = 1, loop = 0, n, fromlen, flags = 0;
        !           120:        extern int errno;
        !           121: 
        !           122:        try(socket, (AF_ISO, SOCK_DGRAM, ISOPROTO_ESIS),"");
        !           123:        s = x;
        !           124: 
        !           125:        for(;;) {
        !           126:                fromlen = sizeof(name);
        !           127:                try(recvfrom, (s, readbuf, sizeof(readbuf), flags,
        !           128:                        name, &fromlen), "");
        !           129:                n = x;
        !           130:                dumpit("connection from:", name, fromlen);
        !           131:                dumpit("packet is:", readbuf, n);
        !           132:        }
        !           133: }
        !           134: answerback(flags, n, ns)
        !           135: {
        !           136:        msghdr.msg_controllen = 0;
        !           137:        msghdr.msg_iovlen = 1;
        !           138:        iov->iov_len = n;
        !           139:        n = sendmsg(ns, &msghdr, flags);
        !           140:        dbprintf("echoed %d\n", n);
        !           141:        return n;
        !           142: }
        !           143: 
        !           144: dumpit(what, where, n)
        !           145: char *what; unsigned short *where; int n;
        !           146: {
        !           147:        unsigned short *s = where;
        !           148:        unsigned short *z = where + (n+1)/2;
        !           149:        int count = 0;
        !           150:        printf(what);
        !           151:        while(s < z) {
        !           152:                count++;
        !           153:                printf("%x ",*s++);
        !           154:                if ((count & 15) == 0)
        !           155:                        putchar('\n');
        !           156:        }
        !           157:        if (count & 15)
        !           158:                putchar('\n');
        !           159:        fflush(stdout);
        !           160: }
        !           161: myexit(n)
        !           162: {
        !           163:        fflush(stderr);
        !           164:        printf("got %d records\n", records);
        !           165:        fflush(stdout);
        !           166:        exit(n);
        !           167: }

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