mirror of
https://github.com/zerotier/ZeroTierOne.git
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115 lines
2.7 KiB
C
115 lines
2.7 KiB
C
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/*
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* TAP-Windows -- A kernel driver to provide virtual tap
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* device functionality on Windows.
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*
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* This code was inspired by the CIPE-Win32 driver by Damion K. Wilson.
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*
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* This source code is Copyright (C) 2002-2014 OpenVPN Technologies, Inc.,
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* and is released under the GPL version 2 (see below).
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License version 2
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* as published by the Free Software Foundation.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program (see the file COPYING included with this
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* distribution); if not, write to the Free Software Foundation, Inc.,
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* 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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*/
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//-----------------
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// DEBUGGING OUTPUT
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//-----------------
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extern const char *g_LastErrorFilename;
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extern int g_LastErrorLineNumber;
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// Debug info output
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#define ALSO_DBGPRINT 1
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#define DEBUGP_AT_DISPATCH 1
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// Uncomment line below to allow packet dumps
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//#define ALLOW_PACKET_DUMP 1
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#define NOTE_ERROR() \
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{ \
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g_LastErrorFilename = __FILE__; \
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g_LastErrorLineNumber = __LINE__; \
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}
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#if DBG
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typedef struct
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{
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unsigned int in;
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unsigned int out;
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unsigned int capacity;
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char *text;
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BOOLEAN error;
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MUTEX lock;
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} DebugOutput;
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VOID MyDebugPrint (const unsigned char* format, ...);
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VOID PrMac (const MACADDR mac);
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VOID PrIP (IPADDR ip_addr);
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#ifdef ALLOW_PACKET_DUMP
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VOID
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DumpPacket(
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__in const char *prefix,
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__in const unsigned char *data,
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__in unsigned int len
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);
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DumpPacket2(
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__in const char *prefix,
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__in const ETH_HEADER *eth,
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__in const unsigned char *data,
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__in unsigned int len
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);
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#else
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#define DUMP_PACKET(prefix, data, len)
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#define DUMP_PACKET2(prefix, eth, data, len)
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#endif
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#define CAN_WE_PRINT (DEBUGP_AT_DISPATCH || KeGetCurrentIrql () < DISPATCH_LEVEL)
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#if ALSO_DBGPRINT
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#define DEBUGP(fmt) { MyDebugPrint fmt; if (CAN_WE_PRINT) DbgPrint fmt; }
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#else
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#define DEBUGP(fmt) { MyDebugPrint fmt; }
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#endif
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#ifdef ALLOW_PACKET_DUMP
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#define DUMP_PACKET(prefix, data, len) \
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DumpPacket (prefix, data, len)
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#define DUMP_PACKET2(prefix, eth, data, len) \
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DumpPacket2 (prefix, eth, data, len)
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#endif
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BOOLEAN
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GetDebugLine (
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__in char *buf,
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__in const int len
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);
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#else
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#define DEBUGP(fmt)
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#define DUMP_PACKET(prefix, data, len)
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#define DUMP_PACKET2(prefix, eth, data, len)
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#endif
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