transmission/libtransmission/log.h

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/*
* This file Copyright (C) 2010-2014 Mnemosyne LLC
*
* It may be used under the GNU GPL versions 2 or 3
* or any future license endorsed by Mnemosyne LLC.
*
* $Id$
*/
#ifndef TR_LOG_H
#define TR_LOG_H 1
#include <stddef.h> /* size_t */
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#include "file.h" /* tr_sys_file_t */
#include "utils.h" /* TR_GNUC_PRINTF, TR_GNUC_NONNULL */
#ifdef __cplusplus
extern "C" {
#endif
#define TR_LOG_MAX_QUEUE_LENGTH 10000
tr_log_level tr_logGetLevel (void);
static inline bool
tr_logLevelIsActive (tr_log_level level)
{
return tr_logGetLevel () >= level;
}
void tr_logAddMessage (const char * file,
int line,
tr_log_level level,
const char * torrent,
const char * fmt, ...) TR_GNUC_PRINTF (5, 6);
#define tr_logAddNamedError(n, ...) \
do\
{ \
if (tr_logLevelIsActive (TR_LOG_ERROR)) \
tr_logAddMessage (__FILE__, __LINE__, TR_LOG_ERROR, n, __VA_ARGS__); \
} \
while (0)
#define tr_logAddNamedInfo(n, ...) \
do \
{ \
if (tr_logLevelIsActive (TR_LOG_INFO)) \
tr_logAddMessage (__FILE__, __LINE__, TR_LOG_INFO, n, __VA_ARGS__); \
} \
while (0)
#define tr_logAddNamedDbg(n, ...) \
do \
{ \
if (tr_logLevelIsActive (TR_LOG_DEBUG)) \
tr_logAddMessage (__FILE__, __LINE__, TR_LOG_DEBUG, n, __VA_ARGS__); \
} \
while (0)
#define tr_logAddTorErr(tor, ...) \
do \
{ \
if (tr_logLevelIsActive (TR_LOG_ERROR)) \
tr_logAddMessage (__FILE__, __LINE__, TR_LOG_ERROR, tr_torrentName (tor), __VA_ARGS__); \
} \
while (0)
#define tr_logAddTorInfo(tor, ...) \
do \
{ \
if (tr_logLevelIsActive (TR_LOG_INFO)) \
tr_logAddMessage (__FILE__, __LINE__, TR_LOG_INFO, tr_torrentName (tor), __VA_ARGS__); \
} \
while (0)
#define tr_logAddTorDbg(tor, ...) \
do \
{ \
if (tr_logLevelIsActive (TR_LOG_DEBUG)) \
tr_logAddMessage (__FILE__, __LINE__, TR_LOG_DEBUG, tr_torrentName (tor), __VA_ARGS__); \
} \
while (0)
#define tr_logAddError(...) \
do \
{ \
if (tr_logLevelIsActive (TR_LOG_ERROR)) \
tr_logAddMessage (__FILE__, __LINE__, TR_LOG_ERROR, NULL, __VA_ARGS__); \
} \
while (0)
#define tr_logAddInfo(...) \
do \
{ \
if (tr_logLevelIsActive (TR_LOG_INFO)) \
tr_logAddMessage (__FILE__, __LINE__, TR_LOG_INFO, NULL, __VA_ARGS__); \
} \
while (0)
#define tr_logAddDebug(...) \
do \
{ \
if (tr_logLevelIsActive (TR_LOG_DEBUG)) \
tr_logAddMessage (__FILE__, __LINE__, TR_LOG_DEBUG, NULL, __VA_ARGS__); \
} \
while (0)
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tr_sys_file_t tr_logGetFile (void);
/** @brief return true if deep logging has been enabled by the user; false otherwise */
bool tr_logGetDeepEnabled (void);
void tr_logAddDeep (const char * file,
int line,
const char * name,
const char * fmt,
...) TR_GNUC_PRINTF (4, 5) TR_GNUC_NONNULL (1,4);
/** @brief set the buffer with the current time formatted for deep logging. */
char* tr_logGetTimeStr (char * buf, size_t buflen) TR_GNUC_NONNULL (1);
#ifdef __cplusplus
}
#endif
/** @} */
#endif