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+/*
+ Unix SMB/CIFS implementation.
+ SMB debug stuff
+ Copyright (C) Andrew Tridgell 1992-1998
+ Copyright (C) John H Terpstra 1996-1998
+ Copyright (C) Luke Kenneth Casson Leighton 1996-1998
+ Copyright (C) Paul Ashton 1998
+
+ This program is free software; you can redistribute it and/or modify
+ it under the terms of the GNU General Public License as published by
+ the Free Software Foundation; either version 3 of the License, or
+ (at your option) any later version.
+
+ 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. If not, see <http://www.gnu.org/licenses/>.
+*/
+
+#ifndef _SAMBA_DEBUG_H
+#define _SAMBA_DEBUG_H
+
+#include <stdint.h>
+#include <stdbool.h>
+#include <stddef.h>
+#include <stdarg.h>
+#include "attr.h"
+
+
+/* -------------------------------------------------------------------------- **
+ * Debugging code. See also debug.c
+ */
+
+/* the maximum debug level to compile into the code. This assumes a good
+ optimising compiler that can remove unused code
+ for embedded or low-memory systems set this to a value like 2 to get
+ only important messages. This gives *much* smaller binaries
+*/
+#ifndef MAX_DEBUG_LEVEL
+#define MAX_DEBUG_LEVEL 1000
+#endif
+
+bool dbgtext_va(const char *, va_list ap) PRINTF_ATTRIBUTE(1,0);
+bool dbgtext( const char *, ... ) PRINTF_ATTRIBUTE(1,2);
+bool dbghdrclass( int level, int cls, const char *location, const char *func);
+bool dbgsetclass(int level, int cls);
+
+/*
+ * Define all new debug classes here. A class is represented by an entry in
+ * the DEBUGLEVEL_CLASS array. Index zero of this arrray is equivalent to the
+ * old DEBUGLEVEL. Any source file that does NOT add the following lines:
+ *
+ * #undef DBGC_CLASS
+ * #define DBGC_CLASS DBGC_<your class name here>
+ *
+ * at the start of the file (after #include "includes.h") will default to
+ * using index zero, so it will behaive just like it always has.
+ */
+#define DBGC_ALL 0 /* index equivalent to DEBUGLEVEL */
+
+#define DBGC_TDB 1
+#define DBGC_PRINTDRIVERS 2
+#define DBGC_LANMAN 3
+#define DBGC_SMB 4
+#define DBGC_RPC_PARSE 5
+#define DBGC_RPC_SRV 6
+#define DBGC_RPC_CLI 7
+#define DBGC_PASSDB 8
+#define DBGC_SAM 9
+#define DBGC_AUTH 10
+#define DBGC_WINBIND 11
+#define DBGC_VFS 12
+#define DBGC_IDMAP 13
+#define DBGC_QUOTA 14
+#define DBGC_ACLS 15
+#define DBGC_LOCKING 16
+#define DBGC_MSDFS 17
+#define DBGC_DMAPI 18
+#define DBGC_REGISTRY 19
+#define DBGC_SCAVENGER 20
+#define DBGC_DNS 21
+#define DBGC_LDB 22
+#define DBGC_TEVENT 23
+#define DBGC_AUTH_AUDIT 24
+#define DBGC_AUTH_AUDIT_JSON 25
+#define DBGC_KERBEROS 26
+#define DBGC_DRS_REPL 27
+#define DBGC_SMB2 28
+#define DBGC_SMB2_CREDITS 29
+#define DBGC_DSDB_AUDIT 30
+#define DBGC_DSDB_AUDIT_JSON 31
+#define DBGC_DSDB_PWD_AUDIT 32
+#define DBGC_DSDB_PWD_AUDIT_JSON 33
+#define DBGC_DSDB_TXN_AUDIT 34
+#define DBGC_DSDB_TXN_AUDIT_JSON 35
+#define DBGC_DSDB_GROUP_AUDIT 36
+#define DBGC_DSDB_GROUP_AUDIT_JSON 37
+
+/* So you can define DBGC_CLASS before including debug.h */
+#ifndef DBGC_CLASS
+#define DBGC_CLASS 0 /* override as shown above */
+#endif
+
+#define DEBUGLEVEL debuglevel_get()
+
+#define debuglevel_get() debuglevel_get_class(DBGC_ALL)
+#define debuglevel_set(lvl) debuglevel_set_class(DBGC_ALL, (lvl))
+
+/* Debugging macros
+ *
+ * DEBUGLVL()
+ * If the 'file specific' debug class level >= level OR the system-wide
+ * DEBUGLEVEL (synomym for DEBUGLEVEL_CLASS[ DBGC_ALL ]) >= level then
+ * generate a header using the default macros for file, line, and
+ * function name. Returns True if the debug level was <= DEBUGLEVEL.
+ *
+ * Example: if( DEBUGLVL( 2 ) ) dbgtext( "Some text.\n" );
+ *
+ * DEBUG()
+ * If the 'file specific' debug class level >= level OR the system-wide
+ * DEBUGLEVEL (synomym for DEBUGLEVEL_CLASS[ DBGC_ALL ]) >= level then
+ * generate a header using the default macros for file, line, and
+ * function name. Each call to DEBUG() generates a new header *unless* the
+ * previous debug output was unterminated (i.e. no '\n').
+ * See debug.c:dbghdr() for more info.
+ *
+ * Example: DEBUG( 2, ("Some text and a value %d.\n", value) );
+ *
+ * DEBUGC()
+ * If the 'macro specified' debug class level >= level OR the system-wide
+ * DEBUGLEVEL (synomym for DEBUGLEVEL_CLASS[ DBGC_ALL ]) >= level then
+ * generate a header using the default macros for file, line, and
+ * function name. Each call to DEBUG() generates a new header *unless* the
+ * previous debug output was unterminated (i.e. no '\n').
+ * See debug.c:dbghdr() for more info.
+ *
+ * Example: DEBUGC( DBGC_TDB, 2, ("Some text and a value %d.\n", value) );
+ *
+ * DEBUGADD(), DEBUGADDC()
+ * Same as DEBUG() and DEBUGC() except the text is appended to the previous
+ * DEBUG(), DEBUGC(), DEBUGADD(), DEBUGADDC() with out another interviening
+ * header.
+ *
+ * Example: DEBUGADD( 2, ("Some text and a value %d.\n", value) );
+ * DEBUGADDC( DBGC_TDB, 2, ("Some text and a value %d.\n", value) );
+ *
+ * Note: If the debug class has not be redefined (see above) then the optimizer
+ * will remove the extra conditional test.
+ */
+
+/*
+ * From talloc.c:
+ */
+
+/* these macros gain us a few percent of speed on gcc */
+#if (__GNUC__ >= 3)
+/* the strange !! is to ensure that __builtin_expect() takes either 0 or 1
+ as its first argument */
+#ifndef likely
+#define likely(x) __builtin_expect(!!(x), 1)
+#endif
+#ifndef unlikely
+#define unlikely(x) __builtin_expect(!!(x), 0)
+#endif
+#else
+#ifndef likely
+#define likely(x) (x)
+#endif
+#ifndef unlikely
+#define unlikely(x) (x)
+#endif
+#endif
+
+int debuglevel_get_class(size_t idx);
+void debuglevel_set_class(size_t idx, int level);
+
+#define CHECK_DEBUGLVL( level ) \
+ ( ((level) <= MAX_DEBUG_LEVEL) && \
+ unlikely(debuglevel_get_class(DBGC_CLASS) >= (level)))
+
+#define CHECK_DEBUGLVLC( dbgc_class, level ) \
+ ( ((level) <= MAX_DEBUG_LEVEL) && \
+ unlikely(debuglevel_get_class(dbgc_class) >= (level)))
+
+#define DEBUGLVL( level ) \
+ ( CHECK_DEBUGLVL(level) \
+ && dbghdrclass( level, DBGC_CLASS, __location__, __FUNCTION__ ) )
+
+#define DEBUGLVLC( dbgc_class, level ) \
+ ( CHECK_DEBUGLVLC( dbgc_class, level ) \
+ && dbghdrclass( level, dbgc_class, __location__, __FUNCTION__ ) )
+
+#define DEBUG( level, body ) \
+ (void)( ((level) <= MAX_DEBUG_LEVEL) && \
+ unlikely(debuglevel_get_class(DBGC_CLASS) >= (level)) \
+ && (dbghdrclass( level, DBGC_CLASS, __location__, __FUNCTION__ )) \
+ && (dbgtext body) )
+
+/**
+ * @brief DEBUGLF is same as DEBUG with explicit location and function arguments
+ *
+ * To be used when passing location and function of a caller appearig earlier in
+ * the call stack instead of some helper function.
+ *
+ * @code
+ * DEBUGLF( 2, ("Some text.\n"), "foo.c:1", "foo" );
+ * DEBUGLF( 5, ("Some text.\n"), location, function );
+ * @endcode
+ *
+ * @return void.
+ */
+#define DEBUGLF( level, body, location, function ) \
+ (void)( ((level) <= MAX_DEBUG_LEVEL) && \
+ unlikely(debuglevel_get_class(DBGC_CLASS) >= (level)) \
+ && (dbghdrclass( level, DBGC_CLASS, location, function )) \
+ && (dbgtext body) )
+
+#define DEBUGC( dbgc_class, level, body ) \
+ (void)( ((level) <= MAX_DEBUG_LEVEL) && \
+ unlikely(debuglevel_get_class(dbgc_class) >= (level)) \
+ && (dbghdrclass( level, dbgc_class, __location__, __FUNCTION__ )) \
+ && (dbgtext body) )
+
+#define DEBUGADD( level, body ) \
+ (void)( ((level) <= MAX_DEBUG_LEVEL) && \
+ unlikely(debuglevel_get_class(DBGC_CLASS) >= (level)) \
+ && (dbgsetclass(level, DBGC_CLASS)) \
+ && (dbgtext body) )
+
+#define DEBUGADDC( dbgc_class, level, body ) \
+ (void)( ((level) <= MAX_DEBUG_LEVEL) && \
+ unlikely((debuglevel_get_class(dbgc_class) >= (level))) \
+ && (dbgsetclass(level, dbgc_class)) \
+ && (dbgtext body) )
+
+/* Print a separator to the debug log. */
+#define DEBUGSEP(level)\
+ DEBUG((level),("===============================================================\n"))
+
+/* Prefix messages with the function name */
+#define DBG_PREFIX(level, body ) \
+ (void)( ((level) <= MAX_DEBUG_LEVEL) && \
+ unlikely(debuglevel_get_class(DBGC_CLASS) >= (level)) \
+ && (dbghdrclass(level, DBGC_CLASS, __location__, __func__ )) \
+ && (dbgtext("%s: ", __func__)) \
+ && (dbgtext body) )
+
+/* Prefix messages with the function name - class specific */
+#define DBGC_PREFIX(dbgc_class, level, body ) \
+ (void)( ((level) <= MAX_DEBUG_LEVEL) && \
+ unlikely(debuglevel_get_class(dbgc_class) >= (level)) \
+ && (dbghdrclass(level, dbgc_class, __location__, __func__ )) \
+ && (dbgtext("%s: ", __func__)) \
+ && (dbgtext body) )
+
+
+#ifdef DEVELOPER
+#define DBG_DEV(...) \
+ (void)( (debug_developer_enabled()) \
+ && (dbgtext("%s:DEV:%d: ", __func__, getpid())) \
+ && (dbgtext(__VA_ARGS__)) )
+#else
+#define DBG_DEV(...) /* DBG_DEV was here */
+#endif
+
+/*
+ * Debug levels matching RFC 3164
+ */
+#define DBGLVL_ERR 0 /* error conditions */
+#define DBGLVL_WARNING 1 /* warning conditions */
+#define DBGLVL_NOTICE 3 /* normal, but significant, condition */
+#define DBGLVL_INFO 5 /* informational message */
+#define DBGLVL_DEBUG 10 /* debug-level message */
+
+#define DBG_ERR(...) DBG_PREFIX(DBGLVL_ERR, (__VA_ARGS__))
+#define DBG_WARNING(...) DBG_PREFIX(DBGLVL_WARNING, (__VA_ARGS__))
+#define DBG_NOTICE(...) DBG_PREFIX(DBGLVL_NOTICE, (__VA_ARGS__))
+#define DBG_INFO(...) DBG_PREFIX(DBGLVL_INFO, (__VA_ARGS__))
+#define DBG_DEBUG(...) DBG_PREFIX(DBGLVL_DEBUG, (__VA_ARGS__))
+
+#define DBGC_ERR(dbgc_class, ...) DBGC_PREFIX(dbgc_class, \
+ DBGLVL_ERR, (__VA_ARGS__))
+#define DBGC_WARNING(dbgc_class, ...) DBGC_PREFIX(dbgc_class, \
+ DBGLVL_WARNING, (__VA_ARGS__))
+#define DBGC_NOTICE(dbgc_class, ...) DBGC_PREFIX(dbgc_class, \
+ DBGLVL_NOTICE, (__VA_ARGS__))
+#define DBGC_INFO(dbgc_class, ...) DBGC_PREFIX(dbgc_class, \
+ DBGLVL_INFO, (__VA_ARGS__))
+#define DBGC_DEBUG(dbgc_class, ...) DBGC_PREFIX(dbgc_class, \
+ DBGLVL_DEBUG, (__VA_ARGS__))
+
+#define D_ERR(...) DEBUG(DBGLVL_ERR, (__VA_ARGS__))
+#define D_WARNING(...) DEBUG(DBGLVL_WARNING, (__VA_ARGS__))
+#define D_NOTICE(...) DEBUG(DBGLVL_NOTICE, (__VA_ARGS__))
+#define D_INFO(...) DEBUG(DBGLVL_INFO, (__VA_ARGS__))
+#define D_DEBUG(...) DEBUG(DBGLVL_DEBUG, (__VA_ARGS__))
+
+#define DC_ERR(...) DEBUGC(dbgc_class, \
+ DBGLVL_ERR, (__VA_ARGS__))
+#define DC_WARNING(...) DEBUGC(dbgc_class, \
+ DBGLVL_WARNING, (__VA_ARGS__))
+#define DC_NOTICE(...) DEBUGC(dbgc_class, \
+ DBGLVL_NOTICE, (__VA_ARGS__))
+#define DC_INFO(...) DEBUGC(dbgc_class, \
+ DBGLVL_INFO, (__VA_ARGS__))
+#define DC_DEBUG(...) DEBUGC(dbgc_class, \
+ DBGLVL_DEBUG, (__VA_ARGS__))
+
+/* The following definitions come from lib/debug.c */
+
+/**
+ * Possible destinations for the debug log.
+ *
+ * Set via setup_logging(); higher values have precedence.
+ */
+enum debug_logtype {
+ DEBUG_DEFAULT_STDERR = 0,
+ DEBUG_DEFAULT_STDOUT = 1,
+ DEBUG_FILE = 2,
+ DEBUG_STDOUT = 3,
+ DEBUG_STDERR = 4,
+ DEBUG_CALLBACK = 5
+};
+
+struct debug_settings {
+ size_t max_log_size;
+ bool timestamp_logs;
+ bool debug_prefix_timestamp;
+ bool debug_hires_timestamp;
+ bool debug_syslog_format;
+ bool debug_pid;
+ bool debug_uid;
+ bool debug_class;
+ bool debug_no_stderr_redirect;
+};
+
+void setup_logging(const char *prog_name, enum debug_logtype new_logtype);
+
+void gfree_debugsyms(void);
+int debug_add_class(const char *classname);
+bool debug_parse_levels(const char *params_str);
+void debug_setup_talloc_log(void);
+void debug_set_logfile(const char *name);
+void debug_set_settings(struct debug_settings *settings,
+ const char *logging_param,
+ int syslog_level, bool syslog_only);
+void debug_set_hostname(const char *name);
+bool reopen_logs_internal( void );
+void force_check_log_size( void );
+bool need_to_check_log_size( void );
+void check_log_size( void );
+void dbgflush( void );
+enum debug_logtype debug_get_log_type(void);
+bool debug_get_output_is_stderr(void);
+bool debug_get_output_is_stdout(void);
+void debug_schedule_reopen_logs(void);
+char *debug_list_class_names_and_levels(void);
+bool debug_developer_enabled(void);
+void debug_developer_enable(void);
+void debug_developer_disable(void);
+
+typedef void (*debug_callback_fn)(void *private_ptr, int level, const char *msg);
+
+/**
+ Set a callback for all debug messages. Use in dlz_bind9 to push output to the bind logs
+ */
+void debug_set_callback(void *private_ptr, debug_callback_fn fn);
+
+char *debug_get_ringbuf(void);
+size_t debug_get_ringbuf_size(void);
+
+/* Explicitly set new traceid. The old id is returned. */
+uint64_t debug_traceid_set(uint64_t id);
+
+/* Get the current traceid. */
+uint64_t debug_traceid_get(void);
+
+#endif /* _SAMBA_DEBUG_H */
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