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-rw-r--r--windows/TapDriver6/error.h114
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diff --git a/windows/TapDriver6/error.h b/windows/TapDriver6/error.h
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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