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Annotation of freem/src/jnldefs.h, revision 1.3

1.1       snw         1: /*
1.3     ! snw         2:  *   $Id$
1.1       snw         3:  *    Data structures and constants for journaling
                      4:  *
                      5:  *  
1.2       snw         6:  *   Author: Serena Willis <snw@coherent-logic.com>
1.1       snw         7:  *    Copyright (C) 1998 MUG Deutschland
1.3     ! snw         8:  *    Copyright (C) 2020, 2025 Coherent Logic Development LLC
1.1       snw         9:  *
                     10:  *
                     11:  *   This file is part of FreeM.
                     12:  *
                     13:  *   FreeM is free software: you can redistribute it and/or modify
                     14:  *   it under the terms of the GNU Affero Public License as published by
                     15:  *   the Free Software Foundation, either version 3 of the License, or
                     16:  *   (at your option) any later version.
                     17:  *
                     18:  *   FreeM is distributed in the hope that it will be useful,
                     19:  *   but WITHOUT ANY WARRANTY; without even the implied warranty of
                     20:  *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
                     21:  *   GNU Affero Public License for more details.
                     22:  *
                     23:  *   You should have received a copy of the GNU Affero Public License
                     24:  *   along with FreeM.  If not, see <https://www.gnu.org/licenses/>.
                     25:  *
1.3     ! snw        26:  *   $Log$
        !            27:  *
        !            28:  * SPDX-FileCopyrightText:  (C) 2025 Coherent Logic Development LLC
        !            29:  * SPDX-License-Identifier: AGPL-3.0-or-later
1.1       snw        30:  **/
                     31: 
                     32: #define FRM_JNL_VERSION 2
                     33: 
                     34: #define JNLA_TSTART 0
                     35: #define JNLA_TRESTART 1
                     36: #define JNLA_TROLLBACK 2
                     37: #define JNLA_TCOMMIT 3
                     38: #define JNLA_SET 4
                     39: #define JNLA_KILL 5
                     40: #define JNLA_CHECKPOINT_OK 6
                     41: #define JNLA_CHECKPOINT_FAIL 7
                     42: #define JNLA_CHECKPOINT_RESTORE 7
                     43: #define JNLA_CHECKPOINT_REMOVE 8
                     44: 
                     45: /* replication status values */
                     46: #define REPL_STAT_AWAIT 0
                     47: #define REPL_STAT_SENDING 1
                     48: #define REPL_STAT_OK 2
                     49: #define REPL_STAT_FAILED 3
                     50: 
                     51: typedef struct jnl_hdr_t {
                     52:     char magic[5];     /* FRMJL */
                     53:     short fmt_version;         /* FRM_JNL_VERSION */
                     54:     char host_triplet[40]; /* the host triplet supplied by the build system */
                     55: } jnl_hdr_t;
                     56: 
                     57: typedef struct jnl_ent_t {
                     58: 
                     59:     char host_id[256];
                     60:     unsigned long tran_id;
                     61: 
                     62:     time_t ts; /* timestamp */
                     63:     pid_t pid;
                     64:     short repl_stat; /* can be any of the REPL_STAT_ constants defined above */
                     65:     short action; /* can be any of the JNLA_ constants defined above */
                     66: 
                     67:     char key[1024];
                     68:     char data[1024];
                     69: 
                     70: } jnl_ent_t;