diff options
Diffstat (limited to 'windows/TapDriver6/error.h')
-rw-r--r-- | windows/TapDriver6/error.h | 114 |
1 files changed, 114 insertions, 0 deletions
diff --git a/windows/TapDriver6/error.h b/windows/TapDriver6/error.h new file mode 100644 index 00000000..2ba39cc1 --- /dev/null +++ b/windows/TapDriver6/error.h @@ -0,0 +1,114 @@ +/* + * 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 |