libipc-old/drop/init-connection.c

#include "../lib/communication.h"

#define SERVICE         "windowing"

void
ohshit(int32_t rvalue, const char* str) {
    fprintf(stderr, "%s\n", str);
    exit(rvalue);
}

int32_t main(int32_t argc, char * argv[], char *env[])
{
    struct ipc_service srv;
    memset (&srv, 0, sizeof (struct ipc_service));
    ipc_server_init (argc, argv, env, &srv, SERVICE, NULL);
    printf ("Listening on %s.\n", srv.spath);

    // creates the service named pipe, that listens to client applications
    if (server_create (&srv))
        ohshit(1, "service_create error");

    /*
     *  PROCESS
     */

    struct ipc_client p;
    memset (&p, 0, sizeof (struct ipc_client));

    int32_t index = 0; // first time we communication with the service
    int32_t version = 1;

    printf ("app creation\n");
    if (application_create (&p, index, version)) // called by the application
        ohshit (1, "application_create");

    /*
     * some exchanges between App and S
     * specific code, talks between applications
     * then App wants to end the communication
     */

    printf ("destroying app\n");
    // the application will shut down, and remove the application named pipes
    if (application_destroy (&p))
        ohshit (1, "application_destroy");

    /*
     *  /PROCESS
     */

    // the application will shut down, and remove the service named pipe
    if (server_close (&srv))
        ohshit (1, "server_close error");

    return EXIT_SUCCESS;
}