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