aslcommon/asl_memory.h

   1 /*
   2  * Copyright (c) 2007-2008 Apple 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 __ASL_MEMORY_H__
  25 #define __ASL_MEMORY_H__
  26 #include <stdint.h>
  27 #include <asl.h>
  28 #include <dispatch/dispatch.h>
  29
  30 typedef struct
  31 {
  32         uint32_t hash;
  33         uint32_t refcount;
  34         char *str;
  35 } mem_string_t;
  36
  37 typedef struct
  38 {
  39         uint64_t mid;
  40         uint64_t time;
  41         uint64_t os_activity_id;
  42         mem_string_t *host;
  43         mem_string_t *sender;
  44         mem_string_t *sender_mach_uuid;
  45         mem_string_t *facility;
  46         mem_string_t *message;
  47         mem_string_t *refproc;
  48         mem_string_t *session;
  49         mem_string_t **kvlist;
  50         uint32_t nano;
  51         uint32_t pid;
  52         uint32_t uid;
  53         uint32_t gid;
  54         uint32_t ruid;
  55         uint32_t rgid;
  56         uint32_t refpid;
  57         uint32_t kvcount;
  58         uint16_t flags;
  59         uint8_t level;
  60         uint8_t unused_0;
  61 } mem_record_t;
  62
  63 typedef struct
  64 {
  65         mem_string_t **string_cache;
  66         mem_record_t **record;
  67         mem_record_t *buffer_record;
  68         uint32_t string_count;
  69         uint32_t record_count;
  70         uint32_t record_first;
  71         size_t max_string_mem;
  72         size_t curr_string_mem;
  73         dispatch_queue_t queue;
  74 } asl_memory_t;
  75
  76 uint32_t asl_memory_open(uint32_t max_records, size_t max_str_mem, asl_memory_t **s);
  77 uint32_t asl_memory_close(asl_memory_t *s);
  78 uint32_t asl_memory_statistics(asl_memory_t *s, asl_msg_t **msg);
  79
  80 uint32_t asl_memory_save(asl_memory_t *s, asl_msg_t *msg, uint64_t *mid);
  81 uint32_t asl_memory_fetch(asl_memory_t *s, uint64_t mid, asl_msg_t **msg, int32_t ruid, int32_t rgid);
  82
  83 uint32_t asl_memory_match(asl_memory_t *s, asl_msg_list_t *query, asl_msg_list_t **res, uint64_t *last_id, uint64_t start_id, uint32_t count, int32_t direction, int32_t ruid, int32_t rgid);
  84 uint32_t asl_memory_match_restricted_uuid(asl_memory_t *s, asl_msg_list_t *query, asl_msg_list_t **res, uint64_t *last_id, uint64_t start_id, uint32_t count, uint32_t duration, int32_t direction, int32_t ruid, int32_t rgid, const char *uuid_str);
  85
  86 #endif /* __ASL_MEMORY_H__ */