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/******************************************************************************
*
* Copyright © International Business Machines Corp., 2009
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* DESCRIPTION
* Glibc independent futex library for testing kernel functionality.
*
* AUTHOR
* Darren Hart <dvhart@linux.intel.com>
*
* HISTORY
* 2009-Nov-6: Initial version by Darren Hart <dvhart@linux.intel.com>
*
*****************************************************************************/
#ifndef _LOGGING_H
#define _LOGGING_H
#include <string.h>
#include <unistd.h>
#include <linux/futex.h>
#include "kselftest.h"
/*
* Define PASS, ERROR, and FAIL strings with and without color escape
* sequences, default to no color.
*/
#define ESC 0x1B, '['
#define BRIGHT '1'
#define GREEN '3', '2'
#define YELLOW '3', '3'
#define RED '3', '1'
#define ESCEND 'm'
#define BRIGHT_GREEN ESC, BRIGHT, ';', GREEN, ESCEND
#define BRIGHT_YELLOW ESC, BRIGHT, ';', YELLOW, ESCEND
#define BRIGHT_RED ESC, BRIGHT, ';', RED, ESCEND
#define RESET_COLOR ESC, '0', 'm'
static const char PASS_COLOR[] = {BRIGHT_GREEN, ' ', 'P', 'A', 'S', 'S',
RESET_COLOR, 0};
static const char ERROR_COLOR[] = {BRIGHT_YELLOW, 'E', 'R', 'R', 'O', 'R',
RESET_COLOR, 0};
static const char FAIL_COLOR[] = {BRIGHT_RED, ' ', 'F', 'A', 'I', 'L',
RESET_COLOR, 0};
static const char INFO_NORMAL[] = " INFO";
static const char PASS_NORMAL[] = " PASS";
static const char ERROR_NORMAL[] = "ERROR";
static const char FAIL_NORMAL[] = " FAIL";
const char *INFO = INFO_NORMAL;
const char *PASS = PASS_NORMAL;
const char *ERROR = ERROR_NORMAL;
const char *FAIL = FAIL_NORMAL;
/* Verbosity setting for INFO messages */
#define VQUIET 0
#define VCRITICAL 1
#define VINFO 2
#define VMAX VINFO
int _verbose = VCRITICAL;
/* Functional test return codes */
#define RET_PASS 0
#define RET_ERROR -1
#define RET_FAIL -2
/**
* log_color() - Use colored output for PASS, ERROR, and FAIL strings
* @use_color: use color (1) or not (0)
*/
void log_color(int use_color)
{
if (use_color) {
PASS = PASS_COLOR;
ERROR = ERROR_COLOR;
FAIL = FAIL_COLOR;
} else {
PASS = PASS_NORMAL;
ERROR = ERROR_NORMAL;
FAIL = FAIL_NORMAL;
}
}
/**
* log_verbosity() - Set verbosity of test output
* @verbose: Enable (1) verbose output or not (0)
*
* Currently setting verbose=1 will enable INFO messages and 0 will disable
* them. FAIL and ERROR messages are always displayed.
*/
void log_verbosity(int level)
{
if (level > VMAX)
level = VMAX;
else if (level < 0)
level = 0;
_verbose = level;
}
/**
* print_result() - Print standard PASS | ERROR | FAIL results
* @ret: the return value to be considered: 0 | RET_ERROR | RET_FAIL
*
* print_result() is primarily intended for functional tests.
*/
void print_result(int ret)
{
const char *result = "Unknown return code";
switch (ret) {
case RET_PASS:
ksft_inc_pass_cnt();
result = PASS;
break;
case RET_ERROR:
result = ERROR;
break;
case RET_FAIL:
ksft_inc_fail_cnt();
result = FAIL;
break;
}
printf("Result: %s\n", result);
}
/* log level macros */
#define info(message, vargs...) \
do { \
if (_verbose >= VINFO) \
fprintf(stderr, "\t%s: "message, INFO, ##vargs); \
} while (0)
#define error(message, err, args...) \
do { \
if (_verbose >= VCRITICAL) {\
if (err) \
fprintf(stderr, "\t%s: %s: "message, \
ERROR, strerror(err), ##args); \
else \
fprintf(stderr, "\t%s: "message, ERROR, ##args); \
} \
} while (0)
#define fail(message, args...) \
do { \
if (_verbose >= VCRITICAL) \
fprintf(stderr, "\t%s: "message, FAIL, ##args); \
} while (0)
#endif
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