debug.c File Reference

Debugging routines for Flowgrind controller and daemon. More...

#include "debug.h"
#include "config.h"
#include <stdio.h>
#include <time.h>
#include <string.h>
#include "fg_time.h"
#include "fg_string.h"

Go to the source code of this file.

Functions
int	debug_timestamp (char **strp)
	Helper function for DEBUG_MSG macro. More...
void	decrease_debuglevel ()
	Decrease debug level. More...
void	increase_debuglevel ()
	Decrease debug level. More...

Detailed Description

Debugging routines for Flowgrind controller and daemon.

Definition in file debug.c.

Function Documentation

debug_timestamp()

int debug_timestamp

(

char **

resultp

)

Helper function for DEBUG_MSG macro.

Write string with the current time in seconds and nanoseconds since the Epoch together with the delta in time since the last and first call the function.

Parameters

[in,out]

resultp

destination string to write to

Returns

return 0 for success, or -1 for failure

Definition at line 56 of file debug.c.

{
        struct timespec now = {.tv_sec = 0, .tv_nsec = 0};
        static struct timespec first = {.tv_sec = 0, .tv_nsec = 0};
        static struct timespec last = {.tv_sec = 0, .tv_nsec = 0};
 
        gettime(&now);
 
        /* Save time of first call */
        if (!first.tv_sec && !first.tv_nsec)
                first = last = now;
 
        char timestamp[30] = "";
        ctimespec_r(&now, timestamp, sizeof(timestamp), true);
 
        if (asprintf(strp, "%s [+%8.6lf] (%8.6lf)", timestamp,
                     time_diff(&last, &now), time_diff(&first, &now)) == -1)
                return -1;
 
        last = now;
        return 0;
}

decrease_debuglevel()

void decrease_debuglevel ( )

inline

Decrease debug level.

Definition at line 44 of file debug.c.

{
        debug_level--;
        printf("DEBUG_LEVEL=%u", debug_level);
}

increase_debuglevel()

void increase_debuglevel ( )

inline

Decrease debug level.

Definition at line 50 of file debug.c.

{
        debug_level++;
        printf("DEBUG_LEVEL=%u\n", debug_level);
}