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61093e2a81
When the compiler supports C99.
- map logging functions to macro stubs when verbose logging is disabled
and the compiler is C99. Make sure these stubs silence unused variable
warnings for non-variadic arguments.
Before this patch they mapped to function stubs, the same codepath
used for C89 compiler in this configuration.
- introduce new macros to tell the compiler which code to include
when verbose code is active, or inactive:
- `CURLVERBOSE`: defined when verbose code is active.
To enclose blocks of code only used for verbose logging.
- `VERBOSE(statement);`:
compile statement when verbose code is active.
To mark code lines only used for verbose logging.
- `NOVERBOSE(statement);`:
compile statement when verbose code is inactive.
To suppress warnings for arguments passed to logging functions via
printf masks, e.g. `NOVERBOSE((void)ipaddress);`, yet keeping
the warning in verbose builds.
Note these macros are not the same as `CURL_DISABLE_VERBOSE_STRINGS`.
Verbose code is always active in C89 mode (without variadic macro
support).
- drop existing uses of `CURL_DISABLE_VERBOSE_STRINGS` where redundant,
or replace with the above macros. Ending up reducing the number of
`#ifdef`s, and also the number of lines.
Assisted-by: Daniel Stenberg
Assisted-by: Jay Satiro
Reported-by: Dan Fandrich
Fixes #20341
Refs: #12105 #12167
Closes #20353
135 lines
5.2 KiB
C
135 lines
5.2 KiB
C
#ifndef HEADER_CURL_VQUIC_QUIC_INT_H
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#define HEADER_CURL_VQUIC_QUIC_INT_H
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/***************************************************************************
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* _ _ ____ _
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* Project ___| | | | _ \| |
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* / __| | | | |_) | |
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* | (__| |_| | _ <| |___
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* \___|\___/|_| \_\_____|
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*
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* Copyright (C) Daniel Stenberg, <daniel@haxx.se>, et al.
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*
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* This software is licensed as described in the file COPYING, which
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* you should have received as part of this distribution. The terms
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* are also available at https://curl.se/docs/copyright.html.
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*
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* You may opt to use, copy, modify, merge, publish, distribute and/or sell
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* copies of the Software, and permit persons to whom the Software is
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* furnished to do so, under the terms of the COPYING file.
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*
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* This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
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* KIND, either express or implied.
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*
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* SPDX-License-Identifier: curl
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*
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***************************************************************************/
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#include "../curl_setup.h"
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#include "../bufq.h"
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#ifdef USE_HTTP3
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#define MAX_PKT_BURST 10
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#define MAX_UDP_PAYLOAD_SIZE 1452
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/* definitions from RFC 9114, ch 8.1 */
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typedef enum {
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CURL_H3_ERR_NO_ERROR = 0x0100,
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CURL_H3_ERR_GENERAL_PROTOCOL_ERROR = 0x0101,
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CURL_H3_ERR_INTERNAL_ERROR = 0x0102,
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CURL_H3_ERR_STREAM_CREATION_ERROR = 0x0103,
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CURL_H3_ERR_CLOSED_CRITICAL_STREAM = 0x0104,
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CURL_H3_ERR_FRAME_UNEXPECTED = 0x0105,
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CURL_H3_ERR_FRAME_ERROR = 0x0106,
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CURL_H3_ERR_EXCESSIVE_LOAD = 0x0107,
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CURL_H3_ERR_ID_ERROR = 0x0108,
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CURL_H3_ERR_SETTINGS_ERROR = 0x0109,
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CURL_H3_ERR_MISSING_SETTINGS = 0x010a,
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CURL_H3_ERR_REQUEST_REJECTED = 0x010b,
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CURL_H3_ERR_REQUEST_CANCELLED = 0x010c,
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CURL_H3_ERR_REQUEST_INCOMPLETE = 0x010d,
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CURL_H3_ERR_MESSAGE_ERROR = 0x010e,
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CURL_H3_ERR_CONNECT_ERROR = 0x010f,
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CURL_H3_ERR_VERSION_FALLBACK = 0x0110,
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} vquic_h3_error;
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#ifdef CURLVERBOSE
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const char *vquic_h3_err_str(uint64_t error_code);
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#else
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#define vquic_h3_err_str(x) ""
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#endif /* CURLVERBOSE */
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struct cf_quic_ctx {
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curl_socket_t sockfd; /* connected UDP socket */
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struct sockaddr_storage local_addr; /* address socket is bound to */
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socklen_t local_addrlen; /* length of local address */
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struct bufq sendbuf; /* buffer for sending one or more packets */
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struct curltime first_byte_at; /* when first byte was recvd */
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struct curltime last_op; /* last (attempted) send/recv operation */
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struct curltime last_io; /* last successful socket IO */
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size_t gsolen; /* length of individual packets in send buf */
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size_t split_len; /* if != 0, buffer length after which GSO differs */
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size_t split_gsolen; /* length of individual packets after split_len */
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#ifdef DEBUGBUILD
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int wblock_percent; /* percent of writes doing EAGAIN */
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#endif
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BIT(got_first_byte); /* if first byte was received */
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BIT(no_gso); /* do not use gso on sending */
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};
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#define H3_STREAM_CTX(ctx, data) \
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(data ? Curl_uint32_hash_get(&(ctx)->streams, (data)->mid) : NULL)
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CURLcode vquic_ctx_init(struct Curl_easy *data,
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struct cf_quic_ctx *qctx);
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void vquic_ctx_free(struct cf_quic_ctx *qctx);
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void vquic_ctx_set_time(struct cf_quic_ctx *qctx,
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const struct curltime *pnow);
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void vquic_ctx_update_time(struct cf_quic_ctx *qctx,
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const struct curltime *pnow);
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void vquic_push_blocked_pkt(struct Curl_cfilter *cf,
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struct cf_quic_ctx *qctx,
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const uint8_t *pkt, size_t pktlen, size_t gsolen);
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CURLcode vquic_send_blocked_pkts(struct Curl_cfilter *cf,
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struct Curl_easy *data,
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struct cf_quic_ctx *qctx);
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CURLcode vquic_send(struct Curl_cfilter *cf, struct Curl_easy *data,
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struct cf_quic_ctx *qctx, size_t gsolen);
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CURLcode vquic_send_tail_split(struct Curl_cfilter *cf, struct Curl_easy *data,
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struct cf_quic_ctx *qctx, size_t gsolen,
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size_t tail_len, size_t tail_gsolen);
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CURLcode vquic_flush(struct Curl_cfilter *cf, struct Curl_easy *data,
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struct cf_quic_ctx *qctx);
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typedef CURLcode vquic_recv_pkts_cb(const unsigned char *buf, size_t buflen,
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size_t gso_size,
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struct sockaddr_storage *remote_addr,
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socklen_t remote_addrlen, int ecn,
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void *userp);
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CURLcode vquic_recv_packets(struct Curl_cfilter *cf,
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struct Curl_easy *data,
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struct cf_quic_ctx *qctx,
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size_t max_pkts,
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vquic_recv_pkts_cb *recv_cb, void *userp);
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#endif /* !USE_HTTP3 */
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#ifdef USE_NGTCP2
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struct ngtcp2_mem;
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struct ngtcp2_mem *Curl_ngtcp2_mem(void);
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#endif
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#ifdef USE_NGHTTP3
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struct nghttp3_mem;
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struct nghttp3_mem *Curl_nghttp3_mem(void);
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#endif
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#endif /* HEADER_CURL_VQUIC_QUIC_INT_H */
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