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193 lines
3.3 KiB
C
193 lines
3.3 KiB
C
/*-
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* See the file LICENSE for redistribution information.
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*
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* Copyright (c) 1996, 1997, 1998
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* Sleepycat Software. All rights reserved.
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*/
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#include "config.h"
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#ifndef lint
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static const char copyright[] =
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"@(#) Copyright (c) 1996, 1997, 1998\n\
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Sleepycat Software Inc. All rights reserved.\n";
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static const char sccsid[] = "@(#)db_printlog.c 10.17 (Sleepycat) 11/1/98";
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#endif
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#ifndef NO_SYSTEM_INCLUDES
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#include <sys/types.h>
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#include <errno.h>
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#include <signal.h>
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#include <unistd.h>
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#endif
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#include "db_int.h"
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#include "shqueue.h"
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#include "db_page.h"
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#include "btree.h"
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#include "hash.h"
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#include "log.h"
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#include "txn.h"
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#include "db_am.h"
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#include "clib_ext.h"
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DB_ENV *db_init __P((char *));
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int main __P((int, char *[]));
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void onint __P((int));
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void siginit __P((void));
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void usage __P((void));
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int interrupted;
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const char
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*progname = "db_printlog"; /* Program name. */
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int
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main(argc, argv)
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int argc;
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char *argv[];
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{
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extern char *optarg;
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extern int optind;
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DB_ENV *dbenv;
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DBT data;
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DB_LSN key;
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int ch, ret;
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char *home;
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ret = 0;
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home = NULL;
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while ((ch = getopt(argc, argv, "h:N")) != EOF)
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switch (ch) {
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case 'h':
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home = optarg;
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break;
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case 'N':
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(void)db_value_set(0, DB_MUTEXLOCKS);
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break;
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case '?':
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default:
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usage();
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}
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argc -= optind;
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argv += optind;
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if (argc > 0)
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usage();
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/* Initialize the environment. */
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siginit();
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dbenv = db_init(home);
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if ((errno = __bam_init_print(dbenv)) != 0 ||
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(errno = __db_init_print(dbenv)) != 0 ||
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(errno = __ham_init_print(dbenv)) != 0 ||
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(errno = __log_init_print(dbenv)) != 0 ||
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(errno = __txn_init_print(dbenv)) != 0) {
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warn("initialization");
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(void)db_appexit(dbenv);
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return (1);
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}
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memset(&data, 0, sizeof(data));
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while (!interrupted) {
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if ((errno =
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log_get(dbenv->lg_info, &key, &data, DB_NEXT)) != 0) {
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if (errno == DB_NOTFOUND)
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break;
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warn("log_get");
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goto err;
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}
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if (dbenv->tx_recover != NULL)
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errno = dbenv->tx_recover(dbenv->lg_info,
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&data, &key, 0, NULL);
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else
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errno = __db_dispatch(dbenv->lg_info,
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&data, &key, 0, NULL);
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fflush(stdout);
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if (errno != 0) {
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warn("dispatch");
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goto err;
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}
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}
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if (0) {
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err: ret = 1;
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}
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if (dbenv != NULL && (errno = db_appexit(dbenv)) != 0) {
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ret = 1;
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warn(NULL);
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}
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if (interrupted) {
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(void)signal(interrupted, SIG_DFL);
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(void)raise(interrupted);
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/* NOTREACHED */
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}
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return (ret);
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}
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/*
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* db_init --
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* Initialize the environment.
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*/
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DB_ENV *
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db_init(home)
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char *home;
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{
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DB_ENV *dbenv;
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if ((dbenv = (DB_ENV *)calloc(sizeof(DB_ENV), 1)) == NULL) {
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errno = ENOMEM;
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err(1, NULL);
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}
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dbenv->db_errfile = stderr;
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dbenv->db_errpfx = progname;
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if ((errno =
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db_appinit(home, NULL, dbenv, DB_CREATE | DB_INIT_LOG)) != 0)
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err(1, "db_appinit");
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return (dbenv);
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}
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/*
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* siginit --
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* Initialize the set of signals for which we want to clean up.
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* Generally, we try not to leave the shared regions locked if
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* we can.
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*/
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void
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siginit()
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{
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#ifdef SIGHUP
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(void)signal(SIGHUP, onint);
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#endif
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(void)signal(SIGINT, onint);
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(void)signal(SIGTERM, onint);
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}
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/*
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* onint --
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* Interrupt signal handler.
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*/
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void
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onint(signo)
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int signo;
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{
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if ((interrupted = signo) == 0)
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interrupted = SIGINT;
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}
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void
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usage()
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{
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fprintf(stderr, "usage: db_printlog [-N] [-h home]\n");
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exit (1);
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}
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