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/*
* qstat 2.6
* by Steve Jankowski
*
* debug helper functions
* Copyright 2004 Ludwig Nussel
*
* Licensed under the Artistic License, see LICENSE.txt for license terms
*/
#include "debug.h"
#include <stdio.h>
#include <stdlib.h>
#ifndef _WIN32
#include <unistd.h>
#include <sys/param.h>
#endif
#include <sys/types.h>
#include <sys/stat.h>
#include <string.h>
#include <ctype.h>
#include <time.h>
#include <fcntl.h>
#include <stdarg.h>
#ifdef DEBUG
void _debug(const char* file, int line, const char* function, int level, const char* fmt, ...)
{
va_list ap;
char buf[9];
time_t now;
now = time(NULL);
strftime(buf,9,"%T",localtime(&now));
fprintf(stderr, "debug(%d) %s %s:%d %s() - ", level, buf, file, line, function);
va_start(ap, fmt);
vfprintf(stderr, fmt, ap);
va_end(ap);
if ( '\n' != fmt[strlen(fmt)-1] )
{
fputs("\n", stderr);
}
return;
}
#endif
static int debug_level = 0;
void set_debug_level (int level)
{
debug_level = level;
}
int get_debug_level (void)
{
return (debug_level);
}
void malformed_packet(const struct qserver* server, const char* fmt, ...)
{
va_list ap;
if(!show_errors) return;
fputs("malformed packet", stderr);
if(server)
{
fprintf(stderr, " from %d.%d.%d.%d:%hu",
server->ipaddr&0xff,
(server->ipaddr>>8)&0xff,
(server->ipaddr>>16)&0xff,
(server->ipaddr>>24)&0xff,
server->port);
}
fputs(": ", stderr);
va_start(ap, fmt);
vfprintf(stderr, fmt, ap);
va_end(ap);
if(*fmt && fmt[strlen(fmt)-1] != '\n')
{
fputc('\n',stderr);
}
}
#ifdef ENABLE_DUMP
static unsigned count = 0;
#endif
void dump_packet(const char* buf, int buflen)
{
#ifdef ENABLE_DUMP
char fn[PATH_MAX] = {0};
int fd;
sprintf(fn, "dump%03u", count++);
fprintf(stderr, "dumping to %s\n", fn);
fd = open(fn, O_WRONLY|O_CREAT|O_EXCL, 0644);
if(fd == -1) { perror("open"); return; }
if(write(fd, buf, buflen) == -1)
perror("write");
close(fd);
#endif
}
void
print_packet( struct qserver *server, const char *buf, int buflen)
{
static char *hex= "0123456789abcdef";
unsigned char *p= (unsigned char*)buf;
int i, h, a, b, astart, offset= 0;
char line[256];
if ( server != NULL)
fprintf( stderr, "FROM %s len %d\n", server->arg, buflen );
for ( i= buflen; i ; offset+= 16) {
memset( line, ' ', 256);
h= 0;
h+= sprintf( line, "%5d:", offset);
a= astart = h + 16*2 + 16/4 + 2;
for ( b=16; b && i; b--, i--, p++) {
if ( (b & 3) == 0)
line[h++]= ' ';
line[h++]= hex[*p >> 4];
line[h++]= hex[*p & 0xf];
if ( isprint( *p))
line[a++]= *p;
else
line[a++]= '.';
if((a-astart)==8) line[a++] = ' ';
}
line[a]= '\0';
fputs( line, stderr);
fputs( "\n", stderr);
}
fputs( "\n", stderr);
}
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