diff options
Diffstat (limited to 'tcp.c')
| -rw-r--r-- | tcp.c | 33 |
1 files changed, 20 insertions, 13 deletions
@@ -1398,29 +1398,36 @@ static int tcp_send_flag(const struct ctx *c, struct tcp_tap_conn *conn, } /** - * tcp_sock_rst() - Close TCP connection forcing RST on socket side - * @c: Execution context - * @conn: Connection pointer + * tcp_linger0_() - Set SO_LINGER with 0 timeout on socket + * @f: Flow header (only for debug logging) + * @s: Socket to modify */ -static void tcp_sock_rst(const struct ctx *c, struct tcp_tap_conn *conn) +void tcp_linger0_(const struct flow_common *f, int s) { const struct linger linger0 = { .l_onoff = 1, .l_linger = 0, }; - /* Force RST on socket to inform the peer - * - * We do this by setting SO_LINGER with 0 timeout, which means that - * close() will send an RST (unless the connection is already closed in - * both directions). + /* Setting SO_LINGER with 0 timeout, means that close() will send an RST + * (unless the connection is already closed in both directions). */ - if (setsockopt(conn->sock, SOL_SOCKET, - SO_LINGER, &linger0, sizeof(linger0)) < 0) { - flow_dbg_perror(conn, - "SO_LINGER failed, may not send RST to peer"); + if (setsockopt(s, SOL_SOCKET, SO_LINGER, + &linger0, sizeof(linger0)) < 0) { + flow_log_perror_(f, LOG_DEBUG, + "SO_LINGER failed, may not send RST to peer"); } +} +/** + * tcp_sock_rst() - Close TCP connection forcing RST on socket side + * @c: Execution context + * @conn: Connection pointer + */ +static void tcp_sock_rst(const struct ctx *c, struct tcp_tap_conn *conn) +{ + /* Force RST on socket to inform the peer */ + tcp_linger0(conn, conn->sock); conn_event(c, conn, CLOSED); } |