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/*
* TAP-Windows -- A kernel driver to provide virtual tap
* device functionality on Windows.
*
* This code was inspired by the CIPE-Win32 driver by Damion K. Wilson.
*
* This source code is Copyright (C) 2002-2014 OpenVPN Technologies, Inc.,
* and is released under the GPL version 2 (see below).
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License version 2
* as published by the Free Software Foundation.
*
* 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 (see the file COPYING included with this
* distribution); if not, write to the Free Software Foundation, Inc.,
* 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
//-----------------
// DEBUGGING OUTPUT
//-----------------
extern const char *g_LastErrorFilename;
extern int g_LastErrorLineNumber;
// Debug info output
#define ALSO_DBGPRINT 1
#define DEBUGP_AT_DISPATCH 1
// Uncomment line below to allow packet dumps
//#define ALLOW_PACKET_DUMP 1
#define NOTE_ERROR() \
{ \
g_LastErrorFilename = __FILE__; \
g_LastErrorLineNumber = __LINE__; \
}
#if DBG
typedef struct
{
unsigned int in;
unsigned int out;
unsigned int capacity;
char *text;
BOOLEAN error;
MUTEX lock;
} DebugOutput;
VOID MyDebugPrint (const unsigned char* format, ...);
VOID PrMac (const MACADDR mac);
VOID PrIP (IPADDR ip_addr);
#ifdef ALLOW_PACKET_DUMP
VOID
DumpPacket(
__in const char *prefix,
__in const unsigned char *data,
__in unsigned int len
);
DumpPacket2(
__in const char *prefix,
__in const ETH_HEADER *eth,
__in const unsigned char *data,
__in unsigned int len
);
#else
#define DUMP_PACKET(prefix, data, len)
#define DUMP_PACKET2(prefix, eth, data, len)
#endif
#define CAN_WE_PRINT (DEBUGP_AT_DISPATCH || KeGetCurrentIrql () < DISPATCH_LEVEL)
#if ALSO_DBGPRINT
#define DEBUGP(fmt) { MyDebugPrint fmt; if (CAN_WE_PRINT) DbgPrint fmt; }
#else
#define DEBUGP(fmt) { MyDebugPrint fmt; }
#endif
#ifdef ALLOW_PACKET_DUMP
#define DUMP_PACKET(prefix, data, len) \
DumpPacket (prefix, data, len)
#define DUMP_PACKET2(prefix, eth, data, len) \
DumpPacket2 (prefix, eth, data, len)
#endif
BOOLEAN
GetDebugLine (
__in char *buf,
__in const int len
);
#else
#define DEBUGP(fmt)
#define DUMP_PACKET(prefix, data, len)
#define DUMP_PACKET2(prefix, eth, data, len)
#endif
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