reboot.cpp

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/* $Id: reboot.cpp,v 1.1 2004/01/08 01:33:26 schrista Exp $ */

/***
 *** See the file "L2_RTI_EO1/disclaimers-and-notices-L2.txt" for 
 *** information on usage and redistribution of this file, 
 *** and for a DISCLAIMER OF ALL WARRANTIES.
 ***/

/* DESCRIPTION */
/* The purpose of this "reboot" program is to send a TCP message to another
 * computer that has specially made hardware attached to it that will reboot
 * another computer -- in our case, a vxWorks PowerPC computer.
 *
 * To compile this program, type something like the following:
 * gcc -O2 -lsocket -lnsl reboot.cpp -o reboot
 */

/* includes */
#include <sys/types.h>
#include <sys/socket.h>
#include <arpa/inet.h>
#include <stdio.h>
#include <unistd.h>


/*=========================================================================*\
* FUNCTION
*   main
*
* PURPOSE
*   The "main" starting place.
*
* PARAMETERS
*   argc = The number of arguments that are being passed.
*   argv = An array of command line arguments.
*
* RETURNS
*   0 = okay
*   1 = error
\*=========================================================================*/
int main(int argc, char **argv) {
    int     Client, rClient;
    char   *serverName;
    struct  sockaddr_in saDest;
    int     sockAddrSize = sizeof(struct sockaddr_in);

    if (argc == 2) {
        serverName = argv[1];
    } else {
        /* Default to the computer that the PowerPC is attached to. */
        serverName = "143.232.221.37";
    }

    Client = socket(AF_INET, SOCK_STREAM, IPPROTO_TCP);
    if (Client == -1) {
        puts("Unable to open socket.");
        return 1;
    }

    /* Setup destination socket address. */
    if ((saDest.sin_addr.s_addr = inet_addr(serverName)) == -1) {
        puts("Unknown server name.");
    }
    saDest.sin_family = AF_INET;
    saDest.sin_port = htons(6164); /* Port is Big Endian. */

    /* Connect to target reboot server. */
    rClient = connect(Client, (struct sockaddr*)(&saDest), sockAddrSize);
    if (rClient == -1) {
        puts("Unable to connect to host.");
        return 1;
    }

    send(Client, "sysReset", 8, 0);

    close(Client);
    return 0;
}