1 files changed, 75 insertions, 0 deletions
diff --git a/src/knot/server/quic-handler.h b/src/knot/server/quic-handler.h
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+++ b/src/knot/server/quic-handler.h
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+/*  Copyright (C) 2023 CZ.NIC, z.s.p.o. <knot-dns@labs.nic.cz>
+
+    This program is free software: you can redistribute it and/or modify
+    it under the terms of the GNU General Public License as published by
+    the Free Software Foundation, either version 3 of the License, or
+    (at your option) any later version.
+
+    This program is distributed in the hope that it will be useful,
+    but WITHOUT ANY WARRANTY; without even the implied warranty of
+    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+    GNU General Public License for more details.
+
+    You should have received a copy of the GNU General Public License
+    along with this program.  If not, see <https://www.gnu.org/licenses/>.
+ */
+
+#pragma once
+
+#include "knot/include/module.h"
+#include "knot/query/layer.h"
+#include "libknot/quic/quic_conn.h"
+#include "libknot/xdp/tcp_iobuf.h"
+
+struct server;
+
+/*!
+ * \brief Handle a received QUIC packet.
+ *
+ * \not It may also send back some additional packets.
+ *
+ * \param params        Query params.
+ * \param layer         Query processing layer.
+ * \param idle_close    QUIC policy when to close idel connections, in nanoseconds.
+ * \param table         QUIC connection table.
+ * \param rx            Incoming packet payload.
+ * \param mh_out        Msghdr for outgoing packets.
+ * \param p_ecn         Pointer on in/out ECN in cmsg header.
+ */
+void quic_handler(knotd_qdata_params_t *params, knot_layer_t *layer,
+                  uint64_t idle_close, knot_quic_table_t *table,
+                  struct iovec *rx, struct msghdr *mh_out, int *p_ecn);
+
+/*!
+ * \brief Allocate QUIC connection table.
+ *
+ * \param server    Server.
+ *
+ * \return QUIC connection table, or NULL.
+ */
+knot_quic_table_t *quic_make_table(struct server *server);
+
+/*!
+ * \brief Change QUIC configuration while running.
+ *
+ * \param table   QUIC connection table.
+ */
+void quic_reconfigure_table(knot_quic_table_t *table);
+
+/*!
+ * \brief Sweep idle or excessive QUIC connections.
+ *
+ * \note This function cannot be used with XDP.
+ *
+ * \param table    QUIC connection table.
+ * \param stats    Statistics to be updated.
+ * \param fd       Standard socket descriptor to send sweep replies through.
+ */
+void quic_sweep_table(knot_quic_table_t *table, knot_sweep_stats_t *stats, int fd);
+
+/*!
+ * \brief Deallocate QUIC connecton table.
+ *
+ * \param table    QUIC connection table.
+ */
+void quic_unmake_table(knot_quic_table_t *table);