db2/txn/txn_auto.c

   1 /* Do not edit: automatically built by dist/db_gen.sh. */
   2 #include "config.h"
   3
   4 #ifndef NO_SYSTEM_INCLUDES
   5 #include <ctype.h>
   6 #include <errno.h>
   7 #include <stddef.h>
   8 #include <stdlib.h>
   9 #include <string.h>
  10 #endif
  11
  12 #include "db_int.h"
  13 #include "shqueue.h"
  14 #include "db_page.h"
  15 #include "db_dispatch.h"
  16 #include "txn.h"
  17 #include "db_am.h"
  18 /*
  19  * PUBLIC: int __txn_regop_log
  20  * PUBLIC:     __P((DB_LOG *, DB_TXN *, DB_LSN *, u_int32_t,
  21  * PUBLIC:     u_int32_t));
  22  */
  23 int __txn_regop_log(logp, txnid, ret_lsnp, flags,
  24         opcode)
  25         DB_LOG *logp;
  26         DB_TXN *txnid;
  27         DB_LSN *ret_lsnp;
  28         u_int32_t flags;
  29         u_int32_t opcode;
  30 {
  31         DBT logrec;
  32         DB_LSN *lsnp, null_lsn;
  33         u_int32_t rectype, txn_num;
  34         int ret;
  35         u_int8_t *bp;
  36
  37         rectype = DB_txn_regop;
  38         txn_num = txnid == NULL ? 0 : txnid->txnid;
  39         if (txnid == NULL) {
  40                 null_lsn.file = 0;
  41                 null_lsn.offset = 0;
  42                 lsnp = &null_lsn;
  43         } else
  44                 lsnp = &txnid->last_lsn;
  45         logrec.size = sizeof(rectype) + sizeof(txn_num) + sizeof(DB_LSN)
  46             + sizeof(opcode);
  47         if ((logrec.data = (void *)__db_malloc(logrec.size)) == NULL)
  48                 return (ENOMEM);
  49
  50         bp = logrec.data;
  51         memcpy(bp, &rectype, sizeof(rectype));
  52         bp += sizeof(rectype);
  53         memcpy(bp, &txn_num, sizeof(txn_num));
  54         bp += sizeof(txn_num);
  55         memcpy(bp, lsnp, sizeof(DB_LSN));
  56         bp += sizeof(DB_LSN);
  57         memcpy(bp, &opcode, sizeof(opcode));
  58         bp += sizeof(opcode);
  59 #ifdef DIAGNOSTIC
  60         if ((u_int32_t)(bp - (u_int8_t *)logrec.data) != logrec.size)
  61                 fprintf(stderr, "Error in log record length");
  62 #endif
  63         ret = log_put(logp, ret_lsnp, (DBT *)&logrec, flags);
  64         if (txnid != NULL)
  65                 txnid->last_lsn = *ret_lsnp;
  66         __db_free(logrec.data);
  67         return (ret);
  68 }
  69
  70 /*
  71  * PUBLIC: int __txn_regop_print
  72  * PUBLIC:    __P((DB_LOG *, DBT *, DB_LSN *, int, void *));
  73  */
  74 int
  75 __txn_regop_print(notused1, dbtp, lsnp, notused2, notused3)
  76         DB_LOG *notused1;
  77         DBT *dbtp;
  78         DB_LSN *lsnp;
  79         int notused2;
  80         void *notused3;
  81 {
  82         __txn_regop_args *argp;
  83         u_int32_t i;
  84         u_int ch;
  85         int ret;
  86
  87         i = 0;
  88         ch = 0;
  89         notused1 = NULL;
  90         notused2 = 0;
  91         notused3 = NULL;
  92
  93         if ((ret = __txn_regop_read(dbtp->data, &argp)) != 0)
  94                 return (ret);
  95         printf("[%lu][%lu]txn_regop: rec: %lu txnid %lx prevlsn [%lu][%lu]\n",
  96             (u_long)lsnp->file,
  97             (u_long)lsnp->offset,
  98             (u_long)argp->type,
  99             (u_long)argp->txnid->txnid,
 100             (u_long)argp->prev_lsn.file,
 101             (u_long)argp->prev_lsn.offset);
 102         printf("\topcode: %lu\n", (u_long)argp->opcode);
 103         printf("\n");
 104         __db_free(argp);
 105         return (0);
 106 }
 107
 108 /*
 109  * PUBLIC: int __txn_regop_read __P((void *, __txn_regop_args **));
 110  */
 111 int
 112 __txn_regop_read(recbuf, argpp)
 113         void *recbuf;
 114         __txn_regop_args **argpp;
 115 {
 116         __txn_regop_args *argp;
 117         u_int8_t *bp;
 118
 119         argp = (__txn_regop_args *)__db_malloc(sizeof(__txn_regop_args) +
 120             sizeof(DB_TXN));
 121         if (argp == NULL)
 122                 return (ENOMEM);
 123         argp->txnid = (DB_TXN *)&argp[1];
 124         bp = recbuf;
 125         memcpy(&argp->type, bp, sizeof(argp->type));
 126         bp += sizeof(argp->type);
 127         memcpy(&argp->txnid->txnid,  bp, sizeof(argp->txnid->txnid));
 128         bp += sizeof(argp->txnid->txnid);
 129         memcpy(&argp->prev_lsn, bp, sizeof(DB_LSN));
 130         bp += sizeof(DB_LSN);
 131         memcpy(&argp->opcode, bp, sizeof(argp->opcode));
 132         bp += sizeof(argp->opcode);
 133         *argpp = argp;
 134         return (0);
 135 }
 136
 137 /*
 138  * PUBLIC: int __txn_ckp_log
 139  * PUBLIC:     __P((DB_LOG *, DB_TXN *, DB_LSN *, u_int32_t,
 140  * PUBLIC:     DB_LSN *, DB_LSN *));
 141  */
 142 int __txn_ckp_log(logp, txnid, ret_lsnp, flags,
 143         ckp_lsn, last_ckp)
 144         DB_LOG *logp;
 145         DB_TXN *txnid;
 146         DB_LSN *ret_lsnp;
 147         u_int32_t flags;
 148         DB_LSN * ckp_lsn;
 149         DB_LSN * last_ckp;
 150 {
 151         DBT logrec;
 152         DB_LSN *lsnp, null_lsn;
 153         u_int32_t rectype, txn_num;
 154         int ret;
 155         u_int8_t *bp;
 156
 157         rectype = DB_txn_ckp;
 158         txn_num = txnid == NULL ? 0 : txnid->txnid;
 159         if (txnid == NULL) {
 160                 null_lsn.file = 0;
 161                 null_lsn.offset = 0;
 162                 lsnp = &null_lsn;
 163         } else
 164                 lsnp = &txnid->last_lsn;
 165         logrec.size = sizeof(rectype) + sizeof(txn_num) + sizeof(DB_LSN)
 166             + sizeof(*ckp_lsn)
 167             + sizeof(*last_ckp);
 168         if ((logrec.data = (void *)__db_malloc(logrec.size)) == NULL)
 169                 return (ENOMEM);
 170
 171         bp = logrec.data;
 172         memcpy(bp, &rectype, sizeof(rectype));
 173         bp += sizeof(rectype);
 174         memcpy(bp, &txn_num, sizeof(txn_num));
 175         bp += sizeof(txn_num);
 176         memcpy(bp, lsnp, sizeof(DB_LSN));
 177         bp += sizeof(DB_LSN);
 178         if (ckp_lsn != NULL)
 179                 memcpy(bp, ckp_lsn, sizeof(*ckp_lsn));
 180         else
 181                 memset(bp, 0, sizeof(*ckp_lsn));
 182         bp += sizeof(*ckp_lsn);
 183         if (last_ckp != NULL)
 184                 memcpy(bp, last_ckp, sizeof(*last_ckp));
 185         else
 186                 memset(bp, 0, sizeof(*last_ckp));
 187         bp += sizeof(*last_ckp);
 188 #ifdef DIAGNOSTIC
 189         if ((u_int32_t)(bp - (u_int8_t *)logrec.data) != logrec.size)
 190                 fprintf(stderr, "Error in log record length");
 191 #endif
 192         ret = log_put(logp, ret_lsnp, (DBT *)&logrec, flags);
 193         if (txnid != NULL)
 194                 txnid->last_lsn = *ret_lsnp;
 195         __db_free(logrec.data);
 196         return (ret);
 197 }
 198
 199 /*
 200  * PUBLIC: int __txn_ckp_print
 201  * PUBLIC:    __P((DB_LOG *, DBT *, DB_LSN *, int, void *));
 202  */
 203 int
 204 __txn_ckp_print(notused1, dbtp, lsnp, notused2, notused3)
 205         DB_LOG *notused1;
 206         DBT *dbtp;
 207         DB_LSN *lsnp;
 208         int notused2;
 209         void *notused3;
 210 {
 211         __txn_ckp_args *argp;
 212         u_int32_t i;
 213         u_int ch;
 214         int ret;
 215
 216         i = 0;
 217         ch = 0;
 218         notused1 = NULL;
 219         notused2 = 0;
 220         notused3 = NULL;
 221
 222         if ((ret = __txn_ckp_read(dbtp->data, &argp)) != 0)
 223                 return (ret);
 224         printf("[%lu][%lu]txn_ckp: rec: %lu txnid %lx prevlsn [%lu][%lu]\n",
 225             (u_long)lsnp->file,
 226             (u_long)lsnp->offset,
 227             (u_long)argp->type,
 228             (u_long)argp->txnid->txnid,
 229             (u_long)argp->prev_lsn.file,
 230             (u_long)argp->prev_lsn.offset);
 231         printf("\tckp_lsn: [%lu][%lu]\n",
 232             (u_long)argp->ckp_lsn.file, (u_long)argp->ckp_lsn.offset);
 233         printf("\tlast_ckp: [%lu][%lu]\n",
 234             (u_long)argp->last_ckp.file, (u_long)argp->last_ckp.offset);
 235         printf("\n");
 236         __db_free(argp);
 237         return (0);
 238 }
 239
 240 /*
 241  * PUBLIC: int __txn_ckp_read __P((void *, __txn_ckp_args **));
 242  */
 243 int
 244 __txn_ckp_read(recbuf, argpp)
 245         void *recbuf;
 246         __txn_ckp_args **argpp;
 247 {
 248         __txn_ckp_args *argp;
 249         u_int8_t *bp;
 250
 251         argp = (__txn_ckp_args *)__db_malloc(sizeof(__txn_ckp_args) +
 252             sizeof(DB_TXN));
 253         if (argp == NULL)
 254                 return (ENOMEM);
 255         argp->txnid = (DB_TXN *)&argp[1];
 256         bp = recbuf;
 257         memcpy(&argp->type, bp, sizeof(argp->type));
 258         bp += sizeof(argp->type);
 259         memcpy(&argp->txnid->txnid,  bp, sizeof(argp->txnid->txnid));
 260         bp += sizeof(argp->txnid->txnid);
 261         memcpy(&argp->prev_lsn, bp, sizeof(DB_LSN));
 262         bp += sizeof(DB_LSN);
 263         memcpy(&argp->ckp_lsn, bp,  sizeof(argp->ckp_lsn));
 264         bp += sizeof(argp->ckp_lsn);
 265         memcpy(&argp->last_ckp, bp,  sizeof(argp->last_ckp));
 266         bp += sizeof(argp->last_ckp);
 267         *argpp = argp;
 268         return (0);
 269 }
 270
 271 /*
 272  * PUBLIC: int __txn_init_print __P((DB_ENV *));
 273  */
 274 int
 275 __txn_init_print(dbenv)
 276         DB_ENV *dbenv;
 277 {
 278         int ret;
 279
 280         if ((ret = __db_add_recovery(dbenv,
 281             __txn_regop_print, DB_txn_regop)) != 0)
 282                 return (ret);
 283         if ((ret = __db_add_recovery(dbenv,
 284             __txn_ckp_print, DB_txn_ckp)) != 0)
 285                 return (ret);
 286         return (0);
 287 }
 288
 289 /*
 290  * PUBLIC: int __txn_init_recover __P((DB_ENV *));
 291  */
 292 int
 293 __txn_init_recover(dbenv)
 294         DB_ENV *dbenv;
 295 {
 296         int ret;
 297
 298         if ((ret = __db_add_recovery(dbenv,
 299             __txn_regop_recover, DB_txn_regop)) != 0)
 300                 return (ret);
 301         if ((ret = __db_add_recovery(dbenv,
 302             __txn_ckp_recover, DB_txn_ckp)) != 0)
 303                 return (ret);
 304         return (0);
 305 }
 306