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/*
* syslogd.h - syslogd implementation for windows, common definitions
*
* Created by Alexander Yaworsky
*
* THIS SOFTWARE IS NOT COPYRIGHTED
*
* This source code is offered for use in the public domain. You may
* use, modify or distribute it freely.
*
* This code is distributed in the hope that it will be useful but
* WITHOUT ANY WARRANTY. ALL WARRANTIES, EXPRESS OR IMPLIED ARE HEREBY
* DISCLAIMED. This includes but is not limited to warranties of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
*
*/
extern int verbosity_level;
extern void display_message( FILE* fd, char* file, int line, const char* func, char* fmt, ... );
#ifdef HAVE_DEBUG
# define DO_TRACE( verbosity, fmt... ) \
do { \
if( verbosity <= verbosity_level ) \
display_message( stderr, __FILE__, __LINE__, __FUNCTION__, fmt ); \
} while(0)
# define TRACE_2( fmt... ) DO_TRACE( 2, fmt )
# define TRACE( fmt... ) DO_TRACE( 1, fmt )
#else
# define TRACE_2( fmt... )
# define TRACE( fmt... )
#endif
#define TRACE_ENTER TRACE_2
#define TRACE_LEAVE TRACE_2
#define ERR( fmt... ) display_message( stderr, __FILE__, __LINE__, __FUNCTION__, fmt )
/* refcounted string */
struct string
{
LONG refcount;
GString *gstr;
};
extern struct string* string_new( const gchar* init );
extern struct string* string_new_len( const gchar* init, gssize len );
extern struct string* string_addref( struct string* s );
extern void string_release( struct string* s );
extern struct string* string_vprintf( gchar* fmt, va_list args );
extern struct string* string_printf( gchar* fmt, ... );
extern gsize string_concat( gchar** result, struct string* s, ... );
extern gboolean string_equal( struct string* s1, struct string* s2 );
/* misc global stuff */
extern HANDLE service_stop_event;
extern struct string *local_hostname;
extern struct string *self_program_name;
extern struct string *space;
extern struct string *line_feed;
extern char *str_month[];
extern void syslogd_main();
extern void log_internal( int pri, char* fmt, ... );
/* options and their default values */
extern gboolean use_dns;
extern gchar *source_encoding;
extern gchar *destination_encoding;
extern int mark_interval;
extern gchar *mark_message;
extern int hold;
extern gchar *logdir;
/* listener */
struct raw_message
{
gchar *msg;
struct sockaddr_in sender_addr;
struct source *source;
};
extern struct fifo *udp_message_queue;
extern HANDLE udp_queue_event;
extern CRITICAL_SECTION udp_queue_cs;
extern gboolean init_udp_listener();
extern void shutdown_udp_listener();
extern void fini_udp_listener();
/* message */
struct message
{
LONG refcount;
struct source *source;
struct string *sender;
int facility;
int priority;
struct string *timestamp;
struct string *hostname;
struct string *program;
struct string *message;
};
extern struct message* create_message( struct source* source,
struct string* sender,
int facility, int priority,
LPSYSTEMTIME timestamp,
struct string* hostname,
struct string* program,
struct string* message );
extern struct message* duplicate_message( struct message* msg );
extern void reference_message( struct message* msg );
extern void release_message( struct message* msg );
/* sources, destinations, filters and logpaths */
enum source_type
{
ST_UNDEFINED,
ST_INTERNAL,
ST_UDP
};
struct source
{
gchar *name;
enum source_type type;
struct sockaddr_in udp;
};
extern unsigned number_of_sources( enum source_type type );
enum destination_type
{
DT_UNDEFINED,
DT_FILE,
DT_RELAY
};
enum rotation_period
{
RP_UNDEFINED = 0,
RP_INVALID,
RP_DAILY,
RP_WEEKLY,
RP_MONTHLY
};
struct destination_file
{
gchar *name_pattern;
enum rotation_period rotate;
int size;
int backlogs;
gboolean ifempty;
gchar *olddir;
gchar *compresscmd;
gchar *compressoptions;
};
struct destination_relay
{
gchar *collector;
gboolean omit_hostname;
};
struct destination;
typedef void (*dest_put)( struct destination* destination, struct message* message );
typedef void (*dest_finalize)( struct destination* destination );
struct destination
{
gchar *name;
enum destination_type type;
union
{
struct destination_file file;
struct destination_relay relay;
} u;
void *extra;
/* methods */
dest_put put;
dest_finalize fini;
};
struct filter
{
gchar *name;
gboolean facilities[ LOG_NFACILITIES ];
gboolean priorities[ 8 ];
};
struct logpath
{
struct source *source;
struct filter *filter;
struct destination *destination;
};
extern GList *sources;
extern GList *destinations;
extern GList *filters;
extern GList *logpaths;
extern gboolean read_configuration();
extern gboolean init_destination_file( struct destination* destination );
extern gboolean init_destination_relay( struct destination* destination );
/* queue */
struct fifo;
extern struct fifo* fifo_create();
extern void fifo_destroy( struct fifo* queue );
extern gboolean fifo_push( struct fifo* queue, void* data );
extern void* fifo_pop( struct fifo* queue );
/* logrotate */
extern void rotate_logfile( const gchar* pathname, struct destination* destination );
/* purger */
struct purger_dir
{
gchar *directory;
int keep_days;
};
extern GList *purger_dirs;
extern gboolean init_purger();
extern void fini_purger();
extern void purge_log_dirs();
/* pathnames */
extern gchar* make_absolute_log_pathname( char* path_appendix );
extern void create_directories( gchar* pathname );
extern gchar* normalize_pathname( const gchar* pathname );
/* workaround for syslog.h: included with SYSLOG_NAMES in names.c */
typedef struct _code {
char *c_name;
int c_val;
} CODE;
extern CODE prioritynames[];
extern CODE facilitynames[];
extern char* get_priority_name( int pri );
extern char* get_facility_name( int pri );
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