steering.c

/*
 * steering.c
 */

#include <stdio.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <sys/neutrino.h>
#include <sys/iofunc.h>
#include <sys/dispatch.h>

#include "engine.h" // defines messages between client and server

int main(int argc, char **argv) {

    steering_toggle_msg_t msg;
    int server_coid, status;
    char return_status[256];
    int angle = atoi(argv[1]);

    if (argc != 2){
        printf("Error: Must have two arguments\n");
        exit(EXIT_FAILURE);
    }

    printf("steering.c now attempting to connect to engine.c\n");

    /* find our server to get a coid*/
    if ((server_coid = name_open(SERVER_NAME, 0)) == -1) {
        return EXIT_FAILURE;
    }
    printf("steering.c successfully connected to engine.c\n");

    /* send a get message to the server to get a shared memory handle from the server */
    msg.type = STEERING_TOGGLE;

    if (angle > 180){
        angle = 180;
    }
    else if (angle < 0){
        angle = 0;
    }

    msg.angle = angle;
    status = MsgSend(server_coid, &msg, sizeof(msg), return_status, sizeof(return_status));

    printf("steering.c returned: %s\n", return_status);

    if (status == -1) {
        fprintf(stderr, "Error during MsgSend\n");
        perror(NULL);
        exit(EXIT_FAILURE);
    }

    return EXIT_SUCCESS;
}