/* xsh_udpdump.c - xsh_udpdump */

#include 
#include 
#include 

/*------------------------------------------------------------------------
 * xsh_udpdump - shell command to dump the UDP registered ports
 *------------------------------------------------------------------------
 */
shellcmd xsh_udpdump(int nargs, char *args[])
{
        int32   i;                      /* Index into udptab            */
        char    *udpstate[] = {         /* Names for entry states       */
                "free ", "used ", "recv "};
        struct  udpentry *uptr;         /* Ptr to entry in udptab       */
        uint32  remip;                  /* Variables to hold the info   */
        int32   r1,r2,r3,r4;            /* From an entry for printing   */
        int32   remprt, locprt;
        int32   state;
        pid32   pid;


        /* For argument '--help', emit help about the 'udpdump' command */

        if (nargs == 2 && strncmp(args[1], "--help", 7) == 0) {
                printf("Use: %s\n\n", args[0]);
                printf("Description:\n");
                printf("\tDisplays registerd UDP ports\n");
                printf("Options:\n");
                printf("\t--help\t display this help and exit\n");
                return 0;
        }

        /* Check for valid number of arguments */

        if (nargs > 1) {
                fprintf(stderr, "%s: no argumentd expected\n", args[0]);
                fprintf(stderr, "Try '%s --help' for more information\n",
                                args[0]);
                return 1;
        }

        /* Print header for items from UDP table */

        printf("%5s %5s %5s    %9s    %8s %8s %3s %4s\n",
                "Entry", "Iface", "State", "Remote IP", "Rem Port",
                "Loc Port", "Pid", "Pkts");
        printf("%5s %5s %5s %15s %8s %8s %3s %4s\n",
                "-----", "-----", "-----", "---------------", "--------",
                "--------", "---", "----");

        /* Output information for each valid entry in udptab */
        for (i = 0; i < UDP_SLOTS; i++) {
            uptr = &udptab[i];
            if (uptr->udstate == UDP_FREE) {  /* Skip unused slots      */
                printf("%3d   ---- slot is free ---\n", i);
                continue;
            }
            remip = uptr->udremip;
            r1 = (remip >> 24) & 0xff;
            r2 = (remip >> 16) & 0xff;
            r3 = (remip >>  8) & 0xff;
            r4 = (remip      ) & 0xff;
            remprt = uptr->udremport;
            locprt = uptr->udlocport;
            pid = uptr->udpid;
            state = uptr->udstate;
            printf("  %4s %3d.%3d.%3d.%3d %5d    %6d%5d%6d\n",
              udpstate[state], r1, r2, r3, r4, remprt, locprt, pid,
                                                        uptr->udcount);
        }
        return 0;
}