syslogd.tproj/daemon.h

   1 /*
   2  * Copyright (c) 2004 Apple Computer, Inc. All rights reserved.
   3  *
   4  * @APPLE_LICENSE_HEADER_START@
   5  *
   6  * This file contains Original Code and/or Modifications of Original Code
   7  * as defined in and that are subject to the Apple Public Source License
   8  * Version 2.0 (the 'License'). You may not use this file except in
   9  * compliance with the License. Please obtain a copy of the License at
  10  * http://www.opensource.apple.com/apsl/ and read it before using this
  11  * file.
  12  *
  13  * The Original Code and all software distributed under the License are
  14  * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
  15  * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
  16  * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
  17  * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT.
  18  * Please see the License for the specific language governing rights and
  19  * limitations under the License.
  20  *
  21  * @APPLE_LICENSE_HEADER_END@
  22  */
  23
  24 #ifndef __DAEMON_H__
  25 #define __DAEMON_H__
  26
  27 #include <stdio.h>
  28 #include <sys/types.h>
  29 #include <sys/queue.h>
  30 #include <time.h>
  31 #include <asl.h>
  32 #include <asl_private.h>
  33 #include <notify.h>
  34 #include <launch.h>
  35
  36 #define ADDFD_FLAGS_LOCAL 0x00000001
  37
  38 #define ASL_DB_NOTIFICATION "com.apple.system.logger.message"
  39
  40 #define ASL_KEY_READ_UID "ReadUID"
  41 #define ASL_KEY_READ_GID "ReadGID"
  42 #define ASL_KEY_EXPIRE_TIME "ASLExpireTime"
  43 #define ASL_KEY_IGNORE "ASLIgnore"
  44 #define ASL_KEY_TIME_NSEC "TimeNanoSec"
  45 #define ASL_KEY_REF_PID "RefPID"
  46 #define ASL_KEY_REF_PROC "RefProc"
  47 #define ASL_KEY_SESSION "Session"
  48
  49 #define _PATH_PIDFILE           "/var/run/syslog.pid"
  50 #define _PATH_ASL_IN            "/var/run/asl_input"
  51 #define _PATH_ASL_DIR           "/var/log"
  52 #define _PATH_ASL_DB            "/var/log/asl.db"
  53 #define _PATH_SYSLOG_CONF   "/etc/syslog.conf"
  54 #define _PATH_SYSLOG_IN         "/var/run/syslog"
  55 #define _PATH_KLOG                      "/dev/klog"
  56 #define _PATH_MODULE_LIB        "/usr/lib/asl"
  57
  58 #define KERN_DISASTER_LEVEL 3
  59
  60 extern launch_data_t launch_dict;
  61
  62 struct module_list
  63 {
  64         char *name;
  65         void *module;
  66         int (*init)(void);
  67         int (*reset)(void);
  68         int (*close)(void);
  69         TAILQ_ENTRY(module_list) entries;
  70 };
  71
  72 int aslevent_init(void);
  73 int aslevent_fdsets(fd_set *, fd_set *, fd_set *);
  74 void aslevent_handleevent(fd_set *, fd_set *, fd_set *);
  75 void asl_mark(void);
  76 void asl_archive(void);
  77
  78 char *get_line_from_file(FILE *f);
  79
  80 int asldebug(const char *, ...);
  81 int asl_log_string(const char *str);
  82
  83 char *asl_msg_to_string(asl_msg_t *msg, uint32_t *len);
  84 asl_msg_t *asl_msg_from_string(const char *buf);
  85 int asl_msg_cmp(asl_msg_t *a, asl_msg_t *b);
  86 time_t asl_parse_time(const char *str);
  87
  88 typedef asl_msg_t *(*aslreadfn)(int);
  89 typedef char *(*aslwritefn)(const char *, int);
  90 typedef char *(*aslexceptfn)(int);
  91 typedef int (*aslsendmsgfn)(asl_msg_t *msg, const char *outid);
  92
  93 int aslevent_addfd(int fd, uint32_t flags, aslreadfn, aslwritefn, aslexceptfn);
  94 int aslevent_removefd(int fd);
  95 int aslevent_addmatch(asl_msg_t *query, char *outid);
  96
  97 int aslevent_addoutput(aslsendmsgfn, const char *outid);
  98
  99 int asl_syslog_faciliy_name_to_num(const char *fac);
 100 const char *asl_syslog_faciliy_num_to_name(int num);
 101 asl_msg_t *asl_input_parse(const char *in, int len, char *rhost, int flag);
 102
 103 uint32_t db_prune(aslresponse query);
 104 uint32_t db_archive(time_t cut, uint64_t max);
 105 uint32_t db_compact(void);
 106
 107 /* message refcount utilities */
 108 uint32_t asl_msg_type(asl_msg_t *m);
 109 asl_msg_t *asl_msg_retain(asl_msg_t *m);
 110 void asl_msg_release(asl_msg_t *m);
 111
 112 /* notify SPI */
 113 uint32_t notify_register_plain(const char *name, int *out_token);
 114
 115 #endif /* __DAEMON_H__ */