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debug.c File Reference

#include <stdio.h>
#include <stdarg.h>
#include <string.h>
#include <ctype.h>
#include "pi-debug.h"
#include "pi-threadsafe.h"

Include dependency graph for debug.c:

Go to the source code of this file.

Functions
static	PI_MUTEX_DEFINE (logfile_mutex)
int	pi_debug_get_types (void)
void	pi_debug_set_types (int types)
int	pi_debug_get_level (void)
void	pi_debug_set_level (int level)
void	pi_debug_set_file (const char *path)
void	pi_log (int type, int level, const char *format,...)
void	pi_dumpline (const char *buf, size_t len, unsigned int addr)
void	dumpline (const char *buf, size_t len, unsigned int addr)
void	pi_dumpdata (const char *buf, size_t len)
void	dumpdata (const char *buf, size_t len)
Variables
static int	debug_types = PI_DBG_NONE
static int	debug_level = PI_DBG_LVL_NONE
static FILE *	debug_file = NULL

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Function Documentation

void dumpdata	(	const char *	buf,
		size_t	len
	)

Definition at line 231 of file debug.c.

References pi_dumpdata().

{
        /* this function will be removed in 0.13. Use pi_dumpdata() instead */
        pi_dumpdata(buf, len);
}

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void dumpline	(	const char *	buf,
		size_t	len,
		unsigned int	addr
	)

Definition at line 215 of file debug.c.

References pi_dumpline().

{
        /* this function will be removed in 0.13. Use pi_dumpline() instead. */
        pi_dumpline(buf, len, addr);
}

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int pi_debug_get_level

(

void

)

Definition at line 84 of file debug.c.

References debug_level.

{
        return debug_level;
}

int pi_debug_get_types

(

void

)

Definition at line 48 of file debug.c.

References debug_types.

{
        return debug_types;
}

void pi_debug_set_file

(

const char *

path

)

Definition at line 121 of file debug.c.

References debug_file, pi_mutex_lock(), and pi_mutex_unlock().

Referenced by env_dbgcheck().

{
        pi_mutex_lock(&logfile_mutex);

        if (debug_file != NULL && debug_file != stderr)
                fclose (debug_file);

        debug_file = fopen (path, "a");
        if (debug_file == NULL)
                debug_file = stderr;

        pi_mutex_unlock(&logfile_mutex);
}

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void pi_debug_set_level

(

int

level

)

Definition at line 102 of file debug.c.

References debug_level, pi_mutex_lock(), and pi_mutex_unlock().

Referenced by env_dbgcheck().

{
        pi_mutex_lock(&logfile_mutex);
        debug_level = level;
        pi_mutex_unlock(&logfile_mutex);
}

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void pi_debug_set_types

(

int

types

)

Definition at line 66 of file debug.c.

References debug_types.

Referenced by env_dbgcheck().

{
        debug_types = types;
}

void pi_dumpdata	(	const char *	buf,
		size_t	len
	)

Definition at line 222 of file debug.c.

References pi_dumpline().

{
        unsigned int i;

        for (i = 0; i < len; i += 16)
                pi_dumpline(buf + i, ((len - i) > 16) ? 16 : len - i, i);
}

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void pi_dumpline	(	const char *	buf,
		size_t	len,
		unsigned int	addr
	)

Definition at line 176 of file debug.c.

References line, LOG, PI_DBG_ALL, and PI_DBG_LVL_NONE.

{
        unsigned int i;
        int offset;
        char line[256];

        offset = sprintf(line, "  %.4x  ", addr);

        for (i = 0; i < 16; i++) {
                if (i < len)
                        offset += sprintf(line+offset, "%.2x ",
                               0xff & (unsigned int) buf[i]);
                else {
                        strcpy(line+offset, "   ");
                        offset += 3;
                }
        }

        strcpy(line+offset, "  ");
        offset += 2;

        for (i = 0; i < len; i++) {
                if (buf[i] == '%') {
                        /* since we're going through pi_log, we need to
                         * properly escape % characters
                         */
                        line[offset++] = '%';
                        line[offset++] = '%';
                } else if (isprint(buf[i]) && buf[i] >= 32 && buf[i] <= 126)
                        line[offset++] = buf[i];
                else
                        line[offset++] = '.';
        }

        strcpy(line+offset,"\n");
        LOG((PI_DBG_ALL, PI_DBG_LVL_NONE, line));
}

void pi_log	(	int	type,
		int	level,
		const char *	format,
			...
	)

Definition at line 148 of file debug.c.

References debug_file, debug_level, debug_types, PI_DBG_ALL, pi_mutex_lock(), pi_mutex_unlock(), and pi_thread_id().

{
        va_list ap;

        if (!(debug_types & type) && type != PI_DBG_ALL)
                return;
        
        if (debug_level < level)
                return;

        pi_mutex_lock(&logfile_mutex);

        if (debug_file == NULL)
                debug_file = stderr;

#if HAVE_PTHREAD
        fprintf(debug_file, "[thread 0x%08lx] ", pi_thread_id());
#endif
        va_start(ap, format);
        vfprintf(debug_file, format, ap);
        va_end(ap);

        fflush(debug_file);

        pi_mutex_unlock(&logfile_mutex);
}

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static PI_MUTEX_DEFINE

(

logfile_mutex

)

[static]

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Variable Documentation

FILE* debug_file = NULL [static]

Definition at line 33 of file debug.c.

Referenced by pi_debug_set_file(), and pi_log().

int debug_level = PI_DBG_LVL_NONE [static]

Definition at line 32 of file debug.c.

Referenced by pi_debug_get_level(), pi_debug_set_level(), and pi_log().

int debug_types = PI_DBG_NONE [static]

Definition at line 31 of file debug.c.

Referenced by pi_debug_get_types(), pi_debug_set_types(), and pi_log().

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