140 lines
4.4 KiB
C
140 lines
4.4 KiB
C
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#ifndef HEADER_CURL_TRC_H
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#define HEADER_CURL_TRC_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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struct Curl_easy;
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struct Curl_cfilter;
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/**
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* Init logging, return != 0 on failure.
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*/
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CURLcode Curl_trc_init(void);
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/**
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* Configure tracing. May be called several times during global
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* initialization. Later calls may not take effect.
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*
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* Configuration format supported:
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* - comma-separated list of component names to enable logging on.
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* E.g. 'http/2,ssl'. Unknown names are ignored. Names are compared
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* case-insensitive.
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* - component 'all' applies to all known log components
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* - prefixing a component with '+' or '-' will en-/disable logging for
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* that component
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* Example: 'all,-ssl' would enable logging for all components but the
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* SSL filters.
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*
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* @param config configuration string
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*/
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CURLcode Curl_trc_opt(const char *config);
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/* the function used to output verbose information */
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void Curl_debug(struct Curl_easy *data, curl_infotype type,
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char *ptr, size_t size);
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/**
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* Output a failure message on registered callbacks for transfer.
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*/
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void Curl_failf(struct Curl_easy *data,
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const char *fmt, ...) CURL_PRINTF(2, 3);
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#define failf Curl_failf
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#define CURL_LOG_LVL_NONE 0
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#define CURL_LOG_LVL_INFO 1
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#if defined(__STDC_VERSION__) && __STDC_VERSION__ >= 199901L
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#define CURL_HAVE_C99
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#endif
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#ifdef CURL_HAVE_C99
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#define infof(data, ...) \
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do { if(Curl_trc_is_verbose(data)) \
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Curl_infof(data, __VA_ARGS__); } while(0)
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#define CURL_TRC_CF(data, cf, ...) \
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do { if(Curl_trc_cf_is_verbose(cf, data)) \
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Curl_trc_cf_infof(data, cf, __VA_ARGS__); } while(0)
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#else
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#define infof Curl_infof
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#define CURL_TRC_CF Curl_trc_cf_infof
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#endif
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#ifndef CURL_DISABLE_VERBOSE_STRINGS
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/* informational messages enabled */
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struct curl_trc_feat {
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const char *name;
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int log_level;
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};
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#define Curl_trc_is_verbose(data) \
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((data) && (data)->set.verbose && \
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(!(data)->state.feat || \
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((data)->state.feat->log_level >= CURL_LOG_LVL_INFO)))
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#define Curl_trc_cf_is_verbose(cf, data) \
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(Curl_trc_is_verbose(data) && \
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(cf) && (cf)->cft->log_level >= CURL_LOG_LVL_INFO)
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#define Curl_trc_ft_is_verbose(data, ft) \
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(Curl_trc_is_verbose(data) && \
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(ft)->log_level >= CURL_LOG_LVL_INFO)
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/**
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* Output an informational message when transfer's verbose logging is enabled.
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*/
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void Curl_infof(struct Curl_easy *data,
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const char *fmt, ...) CURL_PRINTF(2, 3);
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/**
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* Output an informational message when both transfer's verbose logging
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* and connection filters verbose logging are enabled.
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*/
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void Curl_trc_cf_infof(struct Curl_easy *data, struct Curl_cfilter *cf,
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const char *fmt, ...) CURL_PRINTF(3, 4);
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#else /* defined(CURL_DISABLE_VERBOSE_STRINGS) */
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/* All informational messages are not compiled in for size savings */
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#define Curl_trc_is_verbose(d) ((void)(d), FALSE)
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#define Curl_trc_cf_is_verbose(x,y) ((void)(x), (void)(y), FALSE)
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#define Curl_trc_ft_is_verbose(x,y) ((void)(x), (void)(y), FALSE)
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static void Curl_infof(struct Curl_easy *data, const char *fmt, ...)
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{
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(void)data; (void)fmt;
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}
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static void Curl_trc_cf_infof(struct Curl_easy *data,
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struct Curl_cfilter *cf,
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const char *fmt, ...)
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{
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(void)data; (void)cf; (void)fmt;
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}
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#endif /* !defined(CURL_DISABLE_VERBOSE_STRINGS) */
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#endif /* HEADER_CURL_TRC_H */
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