Function freeClusterLink

src/cluster.cpp:666–688

Free a cluster link, but does not free the associated node of course. * This function will just make sure that the original node associated * with this link will have the 'link' field set to NULL. */

 * This function will just make sure that the original node associated
 * with this link will have the 'link' field set to NULL. */
void freeClusterLink(clusterLink *link) {
    if (ielFromEventLoop(serverTL->el) != IDX_EVENT_LOOP_MAIN)
    {
        // we can't perform this operation on this thread, queue it on the main thread
        if (link->node)
            link->node->link = NULL;
        link->node = nullptr;
        int res = aePostFunction(g_pserver->rgthreadvar[IDX_EVENT_LOOP_MAIN].el, [link]{
            freeClusterLink(link);
        });
        serverAssert(res == AE_OK);
        return;
    }
    if (link->conn) {
        connClose(link->conn);
        link->conn = NULL;
    }
    sdsfree(link->sndbuf);
    zfree(link->rcvbuf);
    if (link->node)
        link->node->link = NULL;
    zfree(link);
}

static void clusterConnAcceptHandler(connection *conn) {
    serverAssert(ielFromEventLoop(serverTL->el) == IDX_EVENT_LOOP_MAIN);