1 /* 2 * CDDL HEADER START 3 * 4 * The contents of this file are subject to the terms of the 5 * Common Development and Distribution License (the "License"). 6 * You may not use this file except in compliance with the License. 7 * 8 * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE 9 * or http://www.opensolaris.org/os/licensing. 10 * See the License for the specific language governing permissions 11 * and limitations under the License. 12 * 13 * When distributing Covered Code, include this CDDL HEADER in each 14 * file and include the License file at usr/src/OPENSOLARIS.LICENSE. 15 * If applicable, add the following below this CDDL HEADER, with the 16 * fields enclosed by brackets "[]" replaced with your own identifying 17 * information: Portions Copyright [yyyy] [name of copyright owner] 18 * 19 * CDDL HEADER END 20 */ 21 /* 22 * Copyright (c) 2004, 2010, Oracle and/or its affiliates. All rights reserved. 23 */ 24 25 #ifndef _FMD_LOG_H 26 #define _FMD_LOG_H 27 28 #include <sys/types.h> 29 #include <sys/stat.h> 30 #include <pthread.h> 31 #include <exacct.h> 32 33 #ifdef __cplusplus 34 extern "C" { 35 #endif 36 37 #include <fmd_api.h> 38 39 typedef struct fmd_log { 40 char *log_name; /* file pathname */ 41 char *log_tag; /* file content tag */ 42 int log_fd; /* file descriptor */ 43 struct stat64 log_stat; /* status of file at log_open() time */ 44 ea_file_t log_ea; /* exacct file structure */ 45 pthread_mutex_t log_lock; /* lock for flags, refs, off, append */ 46 pthread_cond_t log_cv; /* condition variable for waiters */ 47 int log_flags; /* file flags (see below) */ 48 uint_t log_refs; /* file reference count */ 49 uint_t log_pending; /* number of pending log commits */ 50 off64_t log_toc; /* offset of table of contents */ 51 off64_t log_beg; /* offset of first data record */ 52 off64_t log_off; /* offset at which to append */ 53 off64_t log_skip; /* offset to skip to for replay */ 54 uint64_t log_minfree; /* minimum free bytes for filesystem */ 55 char *log_uuid; /* uuid string for this log file */ 56 uint_t log_uuidlen; /* length of log_uuid (not incl. \0) */ 57 } fmd_log_t; 58 59 #define FMD_LF_EAOPEN 0x1 /* log_ea is open and valid */ 60 #define FMD_LF_REPLAY 0x2 /* log records should use replay tag */ 61 #define FMD_LF_DIRTY 0x4 /* log toc should be updated */ 62 #define FMD_LF_BUSY 0x8 /* log is busy; skip updates */ 63 64 typedef void fmd_log_f(fmd_log_t *, fmd_event_t *, void *); 65 66 #define FMD_LOG_ERROR "error" /* tag for error log files */ 67 #define FMD_LOG_FAULT "fault" /* tag for fault log files */ 68 #define FMD_LOG_ASRU "asru" /* tag for asru log files */ 69 #define FMD_LOG_XPRT "xprt" /* tag for transport log files */ 70 #define FMD_LOG_INFO "info" /* tag for info event log files */ 71 72 extern fmd_log_t *fmd_log_tryopen(const char *, const char *, const char *); 73 extern fmd_log_t *fmd_log_open(const char *, const char *, const char *); 74 extern void fmd_log_close(fmd_log_t *); 75 76 extern void fmd_log_hold_pending(fmd_log_t *); 77 extern void fmd_log_hold(fmd_log_t *); 78 extern void fmd_log_rele(fmd_log_t *); 79 80 extern void fmd_log_append(fmd_log_t *, fmd_event_t *, fmd_case_t *); 81 extern void fmd_log_commit(fmd_log_t *, fmd_event_t *); 82 extern void fmd_log_decommit(fmd_log_t *, fmd_event_t *); 83 extern void fmd_log_replay(fmd_log_t *, fmd_log_f *, void *); 84 extern void fmd_log_update(fmd_log_t *); 85 extern fmd_log_t *fmd_log_rotate(fmd_log_t *); 86 87 #ifdef __cplusplus 88 } 89 #endif 90 91 #endif /* _FMD_LOG_H */ 92