* 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 1.36 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
// 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
+
+// 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
+#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
+ #define debug_noop 1 ? (void)0 : (void)
+ #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 // If debug breaks are off, use a preprocessor trick to optimize those calls out of the code
- #if (defined(__GNUC__))
- #define debugf( ARGS... ) ((void)0)
- #elif (defined(__MWERKS__))
- #define debugf( ... )
- #else
- #define debugf 1 ? ((void)0) : (void)
- #endif
+#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
- #if (defined(__GNUC__))
- #define verbosedebugf( ARGS... ) ((void)0)
- #elif (defined(__MWERKS__))
- #define verbosedebugf( ... )
- #else
- #define verbosedebugf 1 ? ((void)0) : (void)
- #endif
+#define verbosedebugf debug_noop
#endif
-// LogMsg is used even in shipping code, to write truly serious error messages to syslog (or equivalent)
-typedef enum
- {
- MDNS_LOG_NONE,
-// MDNS_LOG_ERROR,
-// MDNS_LOG_WARN,
-// MDNS_LOG_INFO,
-// MDNS_LOG_DEBUG,
- MDNS_LOG_VERBOSE_DEBUG
- } LogLevel_t;
-
-#define MDNS_LOG_INITIAL_LEVEL MDNS_LOG_NONE
-
-extern LogLevel_t mDNS_LogLevel;
+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[]; // Program Name for use with LogMsgIdent
-
-extern void LogMsg(const char *format, ...) IS_A_PRINTF_STYLE_FUNCTION(1,2);
-extern void LogMsgIdent(const char *ident, const char *format, ...) IS_A_PRINTF_STYLE_FUNCTION(2,3);
-extern void LogMsgNoIdent(const char *format, ...) IS_A_PRINTF_STYLE_FUNCTION(1,2);
-extern void SigLogLevel(void);
+extern const char ProgramName[];
-// 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 0
+extern void LogMsgWithLevel(mDNSLogLevel_t logLevel, const char *format, ...) IS_A_PRINTF_STYLE_FUNCTION(2,3);
+// LogMsgNoIdent needs to be fixed so that it logs without the ident prefix like it used to
+// (or completely overhauled to use the new "log to a separate file" facility)
+#define LogMsgNoIdent LogMsg
#if APPLE_OSX_mDNSResponder && MACOSX_MDNS_MALLOC_DEBUGGING >= 1
extern void *mallocL(char *msg, unsigned int size);
#define freeL(X,Y) free(Y)
#endif
-#define LogAllOperations 0
-
-#if LogAllOperations
-#define LogOperation LogMsg
-#else
-#define LogOperation debugf
-#endif
-
-#define ForceAlerts 0
-
-#define VerifySameNameAssumptions 0
-
-#ifdef __cplusplus
+#ifdef __cplusplus
}
#endif
projects / apple / mdnsresponder.git / blobdiff