// stcp.c — shared stcp_conn lifecycle
#include "stcp.h"
#include "../lib/ll_queue.h"
#include "../lib/mem.h"
#include "../lib/debug_config.h"
#include <stdlib.h>
#include <string.h>

void stcp_conn_set_tx_queue(struct stcp_conn *c, struct ll_queue *q) {
    if (!c || !q) return;
    c->tx_queue = q;
    if (c->tx_cb) queue_set_callback(q, c->tx_cb, c);
}

void stcp_conn_set_rx_queue(struct stcp_conn *c, struct ll_queue *q) {
    if (!c || !q) return;
    c->rx_queue = q;
}

void stcp_conn_set_on_close(struct stcp_conn *c, void (*cb)(struct stcp_conn *conn, int err, void *arg), void *arg) {
    if (!c || !cb) return;
    c->on_close = cb;
    c->close_arg = arg;
}

void stcp_conn_free(struct stcp_conn *c) {
    if (!c) return;
    if (c->socket_id) { uasync_remove_socket_t(c->ua, c->sock); c->socket_id = NULL; }
    if (c->sock != SOCKET_INVALID) { socket_close_wrapper(c->sock); c->sock = SOCKET_INVALID; }
    if (c->recv_buf) { u_free(c->recv_buf); c->recv_buf = NULL; }
    if (c->send_buf) { u_free(c->send_buf); c->send_buf = NULL; }
    sc_stream_cleanup(&c->stream_send);
    sc_stream_cleanup(&c->stream_recv);
    if (c->allocated) u_free(c);
}