blob: 36cbc439b208ce2f855b22ecbae47f6db23d5849 [file] [log] [blame]
/* -*- Mode: C; tab-width: 4 -*-
*
* Copyright (c) 2002-2003 Apple Computer, Inc. All rights reserved.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
Change History (most recent first):
$Log: mDNSDebug.h,v $
Revision 1.51 2009/06/25 23:36:59 cheshire
To facilitate testing, added command-line switch "-OfferSleepProxyService"
to re-enable the previously-supported mode of operation where we offer
sleep proxy service on desktop Macs that are set to never sleep.
Revision 1.50 2009/05/19 23:34:06 cheshire
Updated comment to show correct metric of 80 for a low-priority sleep proxy
Revision 1.49 2009/04/24 23:32:28 cheshire
To facilitate testing, put back code to be a sleep proxy when set to never sleep, compiled out by compile-time switch
Revision 1.48 2009/04/11 01:43:27 jessic2
<rdar://problem/4426780> Daemon: Should be able to turn on LogOperation dynamically
Revision 1.47 2009/04/11 00:19:41 jessic2
<rdar://problem/4426780> Daemon: Should be able to turn on LogOperation dynamically
Revision 1.46 2009/02/13 06:36:50 cheshire
Update LogSPS definition
Revision 1.45 2009/02/13 06:03:12 cheshire
Added LogInfo for informational message logging
Revision 1.44 2009/02/12 20:57:25 cheshire
Renamed 'LogAllOperation' switch to 'LogClientOperations'; added new 'LogSleepProxyActions' switch
Revision 1.43 2008/12/10 02:27:14 cheshire
Commented out definitions of LogClientOperations, LogTimeStamps, ForceAlerts and MACOSX_MDNS_MALLOC_DEBUGGING
to allow overriding values to be easily defined in a Makefile or similar build environment
Revision 1.42 2008/11/02 21:22:05 cheshire
Changed mallocL size parameter back to "unsigned int"
Revision 1.41 2008/11/02 21:14:58 cheshire
Fixes to make mallocL/freeL debugging checks work on 64-bit
Revision 1.40 2008/10/24 20:53:37 cheshire
For now, define USE_SEPARATE_UDNS_SERVICE_LIST, so that we use the old service list code for this submission
Revision 1.39 2008/02/26 21:17:11 cheshire
Grouped all user settings together near the start of the file; added LogTimeStamps option
Revision 1.38 2007/12/13 20:27:07 cheshire
Remove unused VerifySameNameAssumptions symbol
Revision 1.37 2007/12/01 00:33:17 cheshire
Fixes from Bob Bradley for building on EFI
Revision 1.36 2007/10/01 19:06:19 cheshire
Defined symbolic constant MDNS_LOG_INITIAL_LEVEL to set the logging level we start out at
Revision 1.35 2007/07/27 20:19:56 cheshire
For now, comment out unused log levels MDNS_LOG_ERROR, MDNS_LOG_WARN, MDNS_LOG_INFO, MDNS_LOG_DEBUG
Revision 1.34 2007/07/24 17:23:33 cheshire
<rdar://problem/5357133> Add list validation checks for debugging
Revision 1.33 2007/06/15 21:54:50 cheshire
<rdar://problem/4883206> Add packet logging to help debugging private browsing over TLS
Revision 1.32 2007/05/25 16:03:03 cheshire
Remove unused LogMalloc
Revision 1.31 2007/04/06 19:50:05 cheshire
Add ProgramName declaration
Revision 1.30 2007/03/24 01:22:44 cheshire
Add validator for uDNS data structures
Revision 1.29 2006/08/14 23:24:23 cheshire
Re-licensed mDNSResponder daemon source code under Apache License, Version 2.0
Revision 1.28 2006/07/07 01:09:09 cheshire
<rdar://problem/4472013> Add Private DNS server functionality to dnsextd
Only use mallocL/freeL debugging routines when building mDNSResponder, not dnsextd
Revision 1.27 2006/06/29 07:42:14 cheshire
<rdar://problem/3922989> Performance: Remove unnecessary SameDomainName() checks
Revision 1.26 2005/07/04 22:40:26 cheshire
Additional debugging code to help catch memory corruption
Revision 1.25 2004/12/14 21:34:16 cheshire
Add "#define ANSWER_REMOTE_HOSTNAME_QUERIES 0" and comment
Revision 1.24 2004/09/16 01:58:21 cheshire
Fix compiler warnings
Revision 1.23 2004/05/18 23:51:25 cheshire
Tidy up all checkin comments to use consistent "<rdar://problem/xxxxxxx>" format for bug numbers
Revision 1.22 2004/04/22 04:27:42 cheshire
Spacing tidyup
Revision 1.21 2004/04/14 23:21:41 ksekar
Removed accidental checkin of MALLOC_DEBUGING flag in 1.20
Revision 1.20 2004/04/14 23:09:28 ksekar
Support for TSIG signed dynamic updates.
Revision 1.19 2004/03/15 18:57:59 cheshire
Undo last checkin that accidentally made verbose debugging the default for all targets
Revision 1.18 2004/03/13 01:57:33 ksekar
<rdar://problem/3192546>: DynDNS: Dynamic update of service records
Revision 1.17 2004/01/28 21:14:23 cheshire
Reconcile debug_mode and gDebugLogging into a single flag (mDNS_DebugMode)
Revision 1.16 2003/12/09 01:30:06 rpantos
Fix usage of ARGS... macros to build properly on Windows.
Revision 1.15 2003/12/08 20:55:26 rpantos
Move some definitions here from mDNSMacOSX.h.
Revision 1.14 2003/08/12 19:56:24 cheshire
Update to APSL 2.0
Revision 1.13 2003/07/02 21:19:46 cheshire
<rdar://problem/3313413> Update copyright notices, etc., in source code comments
Revision 1.12 2003/05/26 03:01:27 cheshire
<rdar://problem/3268904> sprintf/vsprintf-style functions are unsafe; use snprintf/vsnprintf instead
Revision 1.11 2003/05/21 17:48:10 cheshire
Add macro to enable GCC's printf format string checking
Revision 1.10 2003/04/26 02:32:57 cheshire
Add extern void LogMsg(const char *format, ...);
Revision 1.9 2002/09/21 20:44:49 zarzycki
Added APSL info
Revision 1.8 2002/09/19 04:20:43 cheshire
Remove high-ascii characters that confuse some systems
Revision 1.7 2002/09/16 18:41:42 cheshire
Merge in license terms from Quinn's copy, in preparation for Darwin release
*/
#ifndef __mDNSDebug_h
#define __mDNSDebug_h
// Set MDNS_DEBUGMSGS to 0 to optimize debugf() calls out of the compiled code
// Set MDNS_DEBUGMSGS to 1 to generate normal debugging messages
// Set MDNS_DEBUGMSGS to 2 to generate verbose debugging messages
// MDNS_DEBUGMSGS is normally set in the project options (or makefile) but can also be set here if desired
// (If you edit the file here to turn on MDNS_DEBUGMSGS while you're debugging some code, be careful
// not to accidentally check-in that change by mistake when you check in your other changes.)
//#undef MDNS_DEBUGMSGS
//#define MDNS_DEBUGMSGS 2
// Set MDNS_CHECK_PRINTF_STYLE_FUNCTIONS to 1 to enable extra GCC compiler warnings
// Note: You don't normally want to do this, because it generates a bunch of
// spurious warnings for the following custom extensions implemented by mDNS_vsnprintf:
// warning: `#' flag used with `%s' printf format (for %#s -- pascal string format)
// warning: repeated `#' flag in format (for %##s -- DNS name string format)
// warning: double format, pointer arg (arg 2) (for %.4a, %.16a, %#a -- IP address formats)
#define MDNS_CHECK_PRINTF_STYLE_FUNCTIONS 0
typedef enum
{
MDNS_LOG_MSG,
MDNS_LOG_OPERATION,
MDNS_LOG_SPS,
MDNS_LOG_INFO,
MDNS_LOG_DEBUG,
} mDNSLogLevel_t;
// Set this symbol to 1 to answer remote queries for our Address, reverse mapping PTR, and HINFO records
#define ANSWER_REMOTE_HOSTNAME_QUERIES 0
// Set this symbol to 1 to do extra debug checks on malloc() and free()
// Set this symbol to 2 to write a log message for every malloc() and free()
//#define MACOSX_MDNS_MALLOC_DEBUGGING 1
//#define ForceAlerts 1
//#define LogTimeStamps 1
#define USE_SEPARATE_UDNS_SERVICE_LIST 1
// Developer-settings section ends here
#if MDNS_CHECK_PRINTF_STYLE_FUNCTIONS
#define IS_A_PRINTF_STYLE_FUNCTION(F,A) __attribute__ ((format(printf,F,A)))
#else
#define IS_A_PRINTF_STYLE_FUNCTION(F,A)
#endif
#ifdef __cplusplus
extern "C" {
#endif
// Variable argument macro support. Use ANSI C99 __VA_ARGS__ where possible. Otherwise, use the next best thing.
#if (defined(__GNUC__))
#if ((__GNUC__ > 3) || ((__GNUC__ == 3) && (__GNUC_MINOR__ >= 2)))
#define MDNS_C99_VA_ARGS 1
#define MDNS_GNU_VA_ARGS 0
#else
#define MDNS_C99_VA_ARGS 0
#define MDNS_GNU_VA_ARGS 1
#endif
#define MDNS_HAS_VA_ARG_MACROS 1
#elif (_MSC_VER >= 1400) // Visual Studio 2005 and later
#define MDNS_C99_VA_ARGS 1
#define MDNS_GNU_VA_ARGS 0
#define MDNS_HAS_VA_ARG_MACROS 1
#elif (defined(__MWERKS__))
#define MDNS_C99_VA_ARGS 1
#define MDNS_GNU_VA_ARGS 0
#define MDNS_HAS_VA_ARG_MACROS 1
#else
#define MDNS_C99_VA_ARGS 0
#define MDNS_GNU_VA_ARGS 0
#define MDNS_HAS_VA_ARG_MACROS 0
#endif
#if (MDNS_HAS_VA_ARG_MACROS)
#if (MDNS_C99_VA_ARGS)
#define debug_noop( ... ) ((void)0)
#define LogMsg( ... ) LogMsgWithLevel(MDNS_LOG_MSG, __VA_ARGS__)
#define LogOperation( ... ) do { if (mDNS_LoggingEnabled) LogMsgWithLevel(MDNS_LOG_OPERATION, __VA_ARGS__); } while (0)
#define LogSPS( ... ) do { if (mDNS_LoggingEnabled) LogMsgWithLevel(MDNS_LOG_SPS, __VA_ARGS__); } while (0)
#define LogInfo( ... ) do { if (mDNS_LoggingEnabled) LogMsgWithLevel(MDNS_LOG_INFO, __VA_ARGS__); } while (0)
#elif (MDNS_GNU_VA_ARGS)
#define debug_noop( ARGS... ) ((void)0)
#define LogMsg( ARGS... ) LogMsgWithLevel(MDNS_LOG_MSG, ARGS)
#define LogOperation( ARGS... ) do { if (mDNS_LoggingEnabled) LogMsgWithLevel(MDNS_LOG_OPERATION, ARGS); } while (0)
#define LogSPS( ARGS... ) do { if (mDNS_LoggingEnabled) LogMsgWithLevel(MDNS_LOG_SPS, ARGS); } while (0)
#define LogInfo( ARGS... ) do { if (mDNS_LoggingEnabled) LogMsgWithLevel(MDNS_LOG_INFO, ARGS); } while (0)
#else
#error Unknown variadic macros
#endif
#else
// If your platform does not support variadic macros, you need to define the following variadic functions.
// See mDNSShared/mDNSDebug.c for sample implementation
extern void debug_noop(const char *format, ...);
#define LogMsg LogMsg_
#define LogOperation mDNS_LoggingEnabled == 0 ? ((void)0) : LogOperation_
#define LogSPS mDNS_LoggingEnabled == 0 ? ((void)0) : LogSPS_
#define LogInfo mDNS_LoggingEnabled == 0 ? ((void)0) : LogInfo_
extern void LogMsg_(const char *format, ...) IS_A_PRINTF_STYLE_FUNCTION(1,2);
extern void LogOperation_(const char *format, ...) IS_A_PRINTF_STYLE_FUNCTION(1,2);
extern void LogSPS_(const char *format, ...) IS_A_PRINTF_STYLE_FUNCTION(1,2);
extern void LogInfo_(const char *format, ...) IS_A_PRINTF_STYLE_FUNCTION(1,2);
#endif
#if MDNS_DEBUGMSGS
#define debugf debugf_
extern void debugf_(const char *format, ...) IS_A_PRINTF_STYLE_FUNCTION(1,2);
#else
#define debugf debug_noop
#endif
#if MDNS_DEBUGMSGS > 1
#define verbosedebugf verbosedebugf_
extern void verbosedebugf_(const char *format, ...) IS_A_PRINTF_STYLE_FUNCTION(1,2);
#else
#define verbosedebugf debug_noop
#endif
extern int mDNS_LoggingEnabled;
extern int mDNS_PacketLoggingEnabled;
extern int mDNS_DebugMode; // If non-zero, LogMsg() writes to stderr instead of syslog
extern const char ProgramName[];
extern void LogMsgWithLevel(mDNSLogLevel_t logLevel, const char *format, ...) IS_A_PRINTF_STYLE_FUNCTION(2,3);
#define LogMsgNoIdent LogMsg
#if APPLE_OSX_mDNSResponder && MACOSX_MDNS_MALLOC_DEBUGGING >= 1
extern void *mallocL(char *msg, unsigned int size);
extern void freeL(char *msg, void *x);
extern void LogMemCorruption(const char *format, ...);
extern void uds_validatelists(void);
extern void udns_validatelists(void *const v);
#else
#define mallocL(X,Y) malloc(Y)
#define freeL(X,Y) free(Y)
#endif
#ifdef __cplusplus
}
#endif
#endif