db/log/log_auto.c

/* Do not edit: automatically built by dist/db_gen.sh. */
#include "config.h"

#ifndef NO_SYSTEM_INCLUDES
#include <ctype.h>
#include <errno.h>
#include <stddef.h>
#include <stdlib.h>
#include <string.h>
#endif

#include "db_int.h"
#include "db_page.h"
#include "db_dispatch.h"
#include "log.h"
#include "db_am.h"
/*
 * PUBLIC: int __log_register_log
 * PUBLIC:     __P((DB_LOG *, DB_TXN *, DB_LSN *, u_int32_t,
 * PUBLIC:     u_int32_t, const DBT *, const DBT *, u_int32_t,
 * PUBLIC:     DBTYPE));
 */
int __log_register_log(logp, txnid, ret_lsnp, flags,
    opcode, name, uid, id, ftype)
    DB_LOG *logp;
    DB_TXN *txnid;
    DB_LSN *ret_lsnp;
    u_int32_t flags;
    u_int32_t opcode;
    const DBT *name;
    const DBT *uid;
    u_int32_t id;
    DBTYPE ftype;
{
    DBT logrec;
    DB_LSN *lsnp, null_lsn;
    u_int32_t zero;
    u_int32_t rectype, txn_num;
    int ret;
    u_int8_t *bp;

    rectype = DB_log_register;
    txn_num = txnid == NULL ? 0 : txnid->txnid;
    if (txnid == NULL) {
        ZERO_LSN(null_lsn);
        lsnp = &null_lsn;
    } else
        lsnp = &txnid->last_lsn;
    logrec.size = sizeof(rectype) + sizeof(txn_num) + sizeof(DB_LSN)
        + sizeof(opcode)
        + sizeof(u_int32_t) + (name == NULL ? 0 : name->size)
        + sizeof(u_int32_t) + (uid == NULL ? 0 : uid->size)
        + sizeof(id)
        + sizeof(ftype);
    if ((ret = __os_malloc(logrec.size, NULL, &logrec.data)) != 0)
        return (ret);

    bp = logrec.data;
    memcpy(bp, &rectype, sizeof(rectype));
    bp += sizeof(rectype);
    memcpy(bp, &txn_num, sizeof(txn_num));
    bp += sizeof(txn_num);
    memcpy(bp, lsnp, sizeof(DB_LSN));
    bp += sizeof(DB_LSN);
    memcpy(bp, &opcode, sizeof(opcode));
    bp += sizeof(opcode);
    if (name == NULL) {
        zero = 0;
        memcpy(bp, &zero, sizeof(u_int32_t));
        bp += sizeof(u_int32_t);
    } else {
        memcpy(bp, &name->size, sizeof(name->size));
        bp += sizeof(name->size);
        memcpy(bp, name->data, name->size);
        bp += name->size;
    }
    if (uid == NULL) {
        zero = 0;
        memcpy(bp, &zero, sizeof(u_int32_t));
        bp += sizeof(u_int32_t);
    } else {
        memcpy(bp, &uid->size, sizeof(uid->size));
        bp += sizeof(uid->size);
        memcpy(bp, uid->data, uid->size);
        bp += uid->size;
    }
    memcpy(bp, &id, sizeof(id));
    bp += sizeof(id);
    memcpy(bp, &ftype, sizeof(ftype));
    bp += sizeof(ftype);
#ifdef DIAGNOSTIC
    if ((u_int32_t)(bp - (u_int8_t *)logrec.data) != logrec.size)
        fprintf(stderr, "Error in log record length");
#endif
    ret = __log_put(logp, ret_lsnp, (DBT *)&logrec, flags);
    if (txnid != NULL)
        txnid->last_lsn = *ret_lsnp;
    __os_free(logrec.data, 0);
    return (ret);
}

/*
 * PUBLIC: int __log_register_print
 * PUBLIC:    __P((DB_LOG *, DBT *, DB_LSN *, int, void *));
 */
int
__log_register_print(notused1, dbtp, lsnp, notused2, notused3)
    DB_LOG *notused1;
    DBT *dbtp;
    DB_LSN *lsnp;
    int notused2;
    void *notused3;
{
    __log_register_args *argp;
    u_int32_t i;
    u_int ch;
    int ret;

    i = 0;
    ch = 0;
    notused1 = NULL;
    notused2 = 0;
    notused3 = NULL;

    if ((ret = __log_register_read(dbtp->data, &argp)) != 0)
        return (ret);
    printf("[%lu][%lu]log_register: rec: %lu txnid %lx prevlsn [%lu][%lu]\n",
        (u_long)lsnp->file,
        (u_long)lsnp->offset,
        (u_long)argp->type,
        (u_long)argp->txnid->txnid,
        (u_long)argp->prev_lsn.file,
        (u_long)argp->prev_lsn.offset);
    printf("\topcode: %lu\n", (u_long)argp->opcode);
    printf("\tname: ");
    for (i = 0; i < argp->name.size; i++) {
        ch = ((u_int8_t *)argp->name.data)[i];
        if (isprint(ch) || ch == 0xa)
            putchar(ch);
        else
            printf("%#x ", ch);
    }
    printf("\n");
    printf("\tuid: ");
    for (i = 0; i < argp->uid.size; i++) {
        ch = ((u_int8_t *)argp->uid.data)[i];
        if (isprint(ch) || ch == 0xa)
            putchar(ch);
        else
            printf("%#x ", ch);
    }
    printf("\n");
    printf("\tid: %lu\n", (u_long)argp->id);
    printf("\tftype: 0x%lx\n", (u_long)argp->ftype);
    printf("\n");
    __os_free(argp, 0);
    return (0);
}

/*
 * PUBLIC: int __log_register_read __P((void *, __log_register_args **));
 */
int
__log_register_read(recbuf, argpp)
    void *recbuf;
    __log_register_args **argpp;
{
    __log_register_args *argp;
    u_int8_t *bp;
    int ret;

    ret = __os_malloc(sizeof(__log_register_args) +
        sizeof(DB_TXN), NULL, &argp);
    if (ret != 0)
        return (ret);
    argp->txnid = (DB_TXN *)&argp[1];
    bp = recbuf;
    memcpy(&argp->type, bp, sizeof(argp->type));
    bp += sizeof(argp->type);
    memcpy(&argp->txnid->txnid,  bp, sizeof(argp->txnid->txnid));
    bp += sizeof(argp->txnid->txnid);
    memcpy(&argp->prev_lsn, bp, sizeof(DB_LSN));
    bp += sizeof(DB_LSN);
    memcpy(&argp->opcode, bp, sizeof(argp->opcode));
    bp += sizeof(argp->opcode);
    memcpy(&argp->name.size, bp, sizeof(u_int32_t));
    bp += sizeof(u_int32_t);
    argp->name.data = bp;
    bp += argp->name.size;
    memcpy(&argp->uid.size, bp, sizeof(u_int32_t));
    bp += sizeof(u_int32_t);
    argp->uid.data = bp;
    bp += argp->uid.size;
    memcpy(&argp->id, bp, sizeof(argp->id));
    bp += sizeof(argp->id);
    memcpy(&argp->ftype, bp, sizeof(argp->ftype));
    bp += sizeof(argp->ftype);
    *argpp = argp;
    return (0);
}

/*
 * PUBLIC: int __log_init_print __P((DB_ENV *));
 */
int
__log_init_print(dbenv)
    DB_ENV *dbenv;
{
    int ret;

    if ((ret = __db_add_recovery(dbenv,
        __log_register_print, DB_log_register)) != 0)
        return (ret);
    return (0);
}

/*
 * PUBLIC: int __log_init_recover __P((DB_ENV *));
 */
int
__log_init_recover(dbenv)
    DB_ENV *dbenv;
{
    int ret;

    if ((ret = __db_add_recovery(dbenv,
        __log_register_recover, DB_log_register)) != 0)
        return (ret);
    return (0);
}