init repo.

third_party/curl/lib/vquic/vquic_int.h

@@ -0,0 +1,93 @@
+#ifndef HEADER_CURL_VQUIC_QUIC_INT_H
+#define HEADER_CURL_VQUIC_QUIC_INT_H
+/***************************************************************************
+ *                                  _   _ ____  _
+ *  Project                     ___| | | |  _ \| |
+ *                             / __| | | | |_) | |
+ *                            | (__| |_| |  _ <| |___
+ *                             \___|\___/|_| \_\_____|
+ *
+ * Copyright (C) Daniel Stenberg, <daniel@haxx.se>, et al.
+ *
+ * This software is licensed as described in the file COPYING, which
+ * you should have received as part of this distribution. The terms
+ * are also available at https://curl.se/docs/copyright.html.
+ *
+ * You may opt to use, copy, modify, merge, publish, distribute and/or sell
+ * copies of the Software, and permit persons to whom the Software is
+ * furnished to do so, under the terms of the COPYING file.
+ *
+ * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
+ * KIND, either express or implied.
+ *
+ * SPDX-License-Identifier: curl
+ *
+ ***************************************************************************/
+
+#include "curl_setup.h"
+#include "bufq.h"
+
+#ifdef USE_HTTP3
+
+#define MAX_PKT_BURST 10
+#define MAX_UDP_PAYLOAD_SIZE  1452
+/* Default QUIC connection timeout we announce from our side */
+#define CURL_QUIC_MAX_IDLE_MS   (120 * 1000)
+
+struct cf_quic_ctx {
+  curl_socket_t sockfd; /* connected UDP socket */
+  struct sockaddr_storage local_addr; /* address socket is bound to */
+  socklen_t local_addrlen; /* length of local address */
+
+  struct bufq sendbuf; /* buffer for sending one or more packets */
+  struct curltime first_byte_at;     /* when first byte was recvd */
+  struct curltime last_op; /* last (attempted) send/recv operation */
+  struct curltime last_io; /* last successful socket IO */
+  size_t gsolen; /* length of individual packets in send buf */
+  size_t split_len; /* if != 0, buffer length after which GSO differs */
+  size_t split_gsolen; /* length of individual packets after split_len */
+#ifdef DEBUGBUILD
+  int wblock_percent; /* percent of writes doing EAGAIN */
+#endif
+  BIT(got_first_byte); /* if first byte was received */
+  BIT(no_gso); /* do not use gso on sending */
+};
+
+CURLcode vquic_ctx_init(struct cf_quic_ctx *qctx);
+void vquic_ctx_free(struct cf_quic_ctx *qctx);
+
+void vquic_ctx_update_time(struct cf_quic_ctx *qctx);
+
+void vquic_push_blocked_pkt(struct Curl_cfilter *cf,
+                            struct cf_quic_ctx *qctx,
+                            const uint8_t *pkt, size_t pktlen, size_t gsolen);
+
+CURLcode vquic_send_blocked_pkts(struct Curl_cfilter *cf,
+                                 struct Curl_easy *data,
+                                 struct cf_quic_ctx *qctx);
+
+CURLcode vquic_send(struct Curl_cfilter *cf, struct Curl_easy *data,
+                        struct cf_quic_ctx *qctx, size_t gsolen);
+
+CURLcode vquic_send_tail_split(struct Curl_cfilter *cf, struct Curl_easy *data,
+                               struct cf_quic_ctx *qctx, size_t gsolen,
+                               size_t tail_len, size_t tail_gsolen);
+
+CURLcode vquic_flush(struct Curl_cfilter *cf, struct Curl_easy *data,
+                     struct cf_quic_ctx *qctx);
+
+
+typedef CURLcode vquic_recv_pkt_cb(const unsigned char *pkt, size_t pktlen,
+                                   struct sockaddr_storage *remote_addr,
+                                   socklen_t remote_addrlen, int ecn,
+                                   void *userp);
+
+CURLcode vquic_recv_packets(struct Curl_cfilter *cf,
+                            struct Curl_easy *data,
+                            struct cf_quic_ctx *qctx,
+                            size_t max_pkts,
+                            vquic_recv_pkt_cb *recv_cb, void *userp);
+
+#endif /* !USE_HTTP3 */
+
+#endif /* HEADER_CURL_VQUIC_QUIC_INT_H */