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/*
Unix SMB/CIFS implementation.
ctdb debug functions
Copyright (C) Volker Lendecke 2007
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 3 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program; if not, see <http://www.gnu.org/licenses/>.
*/
#include "replace.h"
#include "system/filesys.h"
#include <ctype.h>
#include <assert.h>
#include "debug.h"
int DEBUGLEVEL;
static void print_asc(int level, const uint8_t *buf, size_t len)
{
int i;
for (i=0;i<len;i++) {
DEBUGADD(level,("%c", isprint(buf[i])?buf[i]:'.'));
}
}
void dump_data(int level, const uint8_t *buf, size_t len)
{
int i=0;
if (len<=0) return;
if (!DEBUGLVL(level)) return;
DEBUG(level, (__location__ " dump data of size %i:\n", (int)len));
DEBUGADD(level,("[%03X] ",i));
for (i=0;i<len;) {
DEBUGADD(level,("%02X ",(int)buf[i]));
i++;
if (i%8 == 0) DEBUGADD(level,(" "));
if (i%16 == 0) {
print_asc(level,&buf[i-16],8); DEBUGADD(level,(" "));
print_asc(level,&buf[i-8],8); DEBUGADD(level,("\n"));
if (i<len) DEBUGADD(level,("[%03X] ",i));
}
}
if (i%16) {
int n;
n = 16 - (i%16);
DEBUGADD(level,(" "));
if (n>8) DEBUGADD(level,(" "));
while (n--) DEBUGADD(level,(" "));
n = MIN(8,i%16);
print_asc(level,&buf[i-(i%16)],n); DEBUGADD(level,( " " ));
n = (i%16) - n;
if (n>0) print_asc(level,&buf[i-n],n);
DEBUGADD(level,("\n"));
}
DEBUG(level, (__location__ " dump data of size %i finished\n", (int)len));
}
/* state variables for the debug system */
static struct {
debug_callback_fn callback;
void *callback_private;
} state;
static int current_msg_level = 0;
void debug_set_callback(void *private_ptr, debug_callback_fn fn)
{
assert(fn != NULL);
state.callback_private = private_ptr;
state.callback = fn;
}
bool dbghdr(int level, const char *location, const char *func)
{
current_msg_level = level;
return true;
}
bool dbgtext( const char *format_str, ... )
{
va_list ap;
char *msgbuf = NULL;
int res;
va_start(ap, format_str);
res = vasprintf(&msgbuf, format_str, ap);
va_end(ap);
if (res == -1) {
return false;
}
if (state.callback != NULL) {
state.callback(state.callback_private,
current_msg_level, msgbuf);
} else {
write(2, msgbuf, strlen(msgbuf));
}
free(msgbuf);
return true;
}
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