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/*
* Copyright (C) the libgit2 contributors. All rights reserved.
*
* This file is part of libgit2, distributed under the GNU GPL v2 with
* a Linking Exception. For full terms see the included COPYING file.
*/
#ifndef INCLUDE_git_trace_h__
#define INCLUDE_git_trace_h__
#include "common.h"
#include "types.h"
/**
* @file git2/trace.h
* @brief Git tracing configuration routines
* @defgroup git_trace Git tracing configuration routines
* @ingroup Git
* @{
*/
GIT_BEGIN_DECL
/**
* Available tracing messages. Each tracing level can be enabled
* independently or pass GIT_TRACE_ALL to enable all levels.
*/
typedef enum {
/** No tracing will be performed. */
GIT_TRACE_NONE = 0x0000u,
/** All tracing messages will be sent. */
GIT_TRACE_ALL = 0xFFFFu,
/** Severe errors that may impact the program's execution */
GIT_TRACE_FATAL = 0x0001u,
/** Errors that do not impact the program's execution */
GIT_TRACE_ERROR = 0x0002u,
GIT_TRACE_ERROR_AND_BELOW = 0x0003u,
/** Warnings that suggest abnormal data */
GIT_TRACE_WARN = 0x0004u,
GIT_TRACE_WARN_AND_BELOW = 0x0007u,
/** Informational messages about program execution */
GIT_TRACE_INFO = 0x0008u,
GIT_TRACE_INFO_AND_BELOW = 0x000Fu,
/** Detailed data that allows for debugging */
GIT_TRACE_DEBUG = 0x0010u,
/** Exceptionally detailed debugging data */
GIT_TRACE_TRACE = 0x0020u,
/** Performance tracking related traces */
GIT_TRACE_PERF = 0x0040u,
} git_trace_level_t;
/**
* An instance for a tracing function
*/
typedef void (*git_trace_callback)(
git_trace_level_t level, /* just one bit will be sent */
void *cb_payload,
void *msg_payload,
const char *msg);
/**
* Sets the system tracing configuration to the specified level with the
* specified callback. When system events occur at a level equal to, or
* lower than, the given level they will be reported to the given callback.
*
* @param level Bitmask of all enabled trace levels
* @param cb Function to call with trace messages
* @param cb_payload Payload to pass when callback is invoked
* @return 0 or an error code
*/
GIT_EXTERN(int) git_trace_set(
git_trace_level_t level,
git_trace_callback cb,
void *cb_payload);
/** @} */
GIT_END_DECL
#endif
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