Function ng_generic_msg

lib/ff_ng_base.c:2528–2966

* Implement the 'generic' control messages ***********************************************************************/

 * Implement the 'generic' control messages
 ***********************************************************************/
static int
ng_generic_msg(node_p here, item_p item, hook_p lasthook)
{
    int error = 0;
    struct ng_mesg *msg;
    struct ng_mesg *resp = NULL;

    NGI_GET_MSG(item, msg);
    if (msg->header.typecookie != NGM_GENERIC_COOKIE) {
        TRAP_ERROR();
        error = EINVAL;
        goto out;
    }
    switch (msg->header.cmd) {
    case NGM_SHUTDOWN:
        ng_rmnode(here, NULL, NULL, 0);
        break;
    case NGM_MKPEER:
        {
        struct ngm_mkpeer *const mkp = (struct ngm_mkpeer *) msg->data;

        if (msg->header.arglen != sizeof(*mkp)) {
            TRAP_ERROR();
            error = EINVAL;
            break;
        }
        mkp->type[sizeof(mkp->type) - 1] = '\0';
        mkp->ourhook[sizeof(mkp->ourhook) - 1] = '\0';
        mkp->peerhook[sizeof(mkp->peerhook) - 1] = '\0';
        error = ng_mkpeer(here, mkp->ourhook, mkp->peerhook, mkp->type);
        break;
        }
    case NGM_CONNECT:
        {
        struct ngm_connect *const con =
            (struct ngm_connect *) msg->data;
        node_p node2;

        if (msg->header.arglen != sizeof(*con)) {
            TRAP_ERROR();
            error = EINVAL;
            break;
        }
        con->path[sizeof(con->path) - 1] = '\0';
        con->ourhook[sizeof(con->ourhook) - 1] = '\0';
        con->peerhook[sizeof(con->peerhook) - 1] = '\0';
        /* Don't forget we get a reference.. */
        error = ng_path2noderef(here, con->path, &node2, NULL);
        if (error)
            break;
        error = ng_con_nodes(item, here, con->ourhook,
            node2, con->peerhook);
        NG_NODE_UNREF(node2);
        break;
        }
    case NGM_NAME:
        {
        struct ngm_name *const nam = (struct ngm_name *) msg->data;