1 files changed, 220 insertions, 60 deletions

diff --git a/bdb/db_printlog/db_printlog.c b/bdb/db_printlog/db_printlog.c
index 8b9fb74a6a9..af6d00d593a 100644
--- a/bdb/db_printlog/db_printlog.c
+++ b/bdb/db_printlog/db_printlog.c
@@ -1,7 +1,7 @@
 /*-
  * See the file LICENSE for redistribution information.
  *
- * Copyright (c) 1996, 1997, 1998, 1999, 2000
+ * Copyright (c) 1996-2002
  *	Sleepycat Software.  All rights reserved.
  */
 
@@ -9,14 +9,15 @@
 
 #ifndef lint
 static const char copyright[] =
-    "Copyright (c) 1996-2000\nSleepycat Software Inc.  All rights reserved.\n";
+    "Copyright (c) 1996-2002\nSleepycat Software Inc.  All rights reserved.\n";
 static const char revid[] =
-    "$Id: db_printlog.c,v 11.23 2001/01/18 18:36:58 bostic Exp $";
+    "$Id: db_printlog.c,v 11.52 2002/08/08 03:50:38 bostic Exp $";
 #endif
 
 #ifndef NO_SYSTEM_INCLUDES
 #include <sys/types.h>
 
+#include <ctype.h>
 #include <stdio.h>
 #include <stdlib.h>
 #include <string.h>
@@ -24,21 +25,20 @@ static const char revid[] =
 #endif
 
 #include "db_int.h"
-#include "db_page.h"
-#include "btree.h"
-#include "db_am.h"
-#include "hash.h"
-#include "log.h"
-#include "qam.h"
-#include "txn.h"
-
-int	main __P((int, char *[]));
-void	usage __P((void));
-void	version_check __P((void));
-
-DB_ENV	*dbenv;
-const char
-	*progname = "db_printlog";			/* Program name. */
+#include "dbinc/db_page.h"
+#include "dbinc/btree.h"
+#include "dbinc/fop.h"
+#include "dbinc/hash.h"
+#include "dbinc/log.h"
+#include "dbinc/qam.h"
+#include "dbinc/rep.h"
+#include "dbinc/txn.h"
+
+int main __P((int, char *[]));
+int usage __P((void));
+int version_check __P((const char *));
+int print_app_record __P((DB_ENV *, DBT *, DB_LSN *, db_recops));
+int open_rep_db __P((DB_ENV *, DB **, DBC **));
 
 int
 main(argc, argv)
@@ -47,42 +47,63 @@ main(argc, argv)
 {
 	extern char *optarg;
 	extern int optind;
-	DBT data;
+	const char *progname = "db_printlog";
+	DB *dbp;
+	DBC *dbc;
+	DB_ENV	*dbenv;
+	DB_LOGC *logc;
+	int (**dtab) __P((DB_ENV *, DBT *, DB_LSN *, db_recops, void *));
+	size_t dtabsize;
+	DBT data, keydbt;
 	DB_LSN key;
-	int ch, e_close, exitval, nflag, ret;
-	char *home;
+	int ch, e_close, exitval, nflag, rflag, ret, repflag;
+	char *home, *passwd;
 
-	version_check();
+	if ((ret = version_check(progname)) != 0)
+		return (ret);
 
-	e_close = exitval = 0;
-	nflag = 0;
-	home = NULL;
-	while ((ch = getopt(argc, argv, "h:NV")) != EOF)
+	dbp = NULL;
+	dbc = NULL;
+	logc = NULL;
+	e_close = exitval = nflag = rflag = repflag = 0;
+	home = passwd = NULL;
+	dtabsize = 0;
+	dtab = NULL;
+	while ((ch = getopt(argc, argv, "h:NP:rRV")) != EOF)
 		switch (ch) {
 		case 'h':
 			home = optarg;
 			break;
 		case 'N':
 			nflag = 1;
-			if ((ret = db_env_set_panicstate(0)) != 0) {
-				fprintf(stderr,
-				    "%s: db_env_set_panicstate: %s\n",
-				    progname, db_strerror(ret));
-				return (1);
+			break;
+		case 'P':
+			passwd = strdup(optarg);
+			memset(optarg, 0, strlen(optarg));
+			if (passwd == NULL) {
+				fprintf(stderr, "%s: strdup: %s\n",
+				    progname, strerror(errno));
+				return (EXIT_FAILURE);
 			}
 			break;
+		case 'r':
+			rflag = 1;
+			break;
+		case 'R':
+			repflag = 1;
+			break;
 		case 'V':
 			printf("%s\n", db_version(NULL, NULL, NULL));
-			exit(0);
+			return (EXIT_SUCCESS);
 		case '?':
 		default:
-			usage();
+			return (usage());
 		}
 	argc -= optind;
 	argv += optind;
 
 	if (argc > 0)
-		usage();
+		return (usage());
 
 	/* Handle possible interruptions. */
 	__db_util_siginit();
@@ -101,8 +122,29 @@ main(argc, argv)
 	dbenv->set_errfile(dbenv, stderr);
 	dbenv->set_errpfx(dbenv, progname);
 
-	if (nflag && (ret = dbenv->set_mutexlocks(dbenv, 0)) != 0) {
-		dbenv->err(dbenv, ret, "set_mutexlocks");
+	if (nflag) {
+		if ((ret = dbenv->set_flags(dbenv, DB_NOLOCKING, 1)) != 0) {
+			dbenv->err(dbenv, ret, "set_flags: DB_NOLOCKING");
+			goto shutdown;
+		}
+		if ((ret = dbenv->set_flags(dbenv, DB_NOPANIC, 1)) != 0) {
+			dbenv->err(dbenv, ret, "set_flags: DB_NOPANIC");
+			goto shutdown;
+		}
+	}
+
+	if (passwd != NULL && (ret = dbenv->set_encrypt(dbenv,
+	    passwd, DB_ENCRYPT_AES)) != 0) {
+		dbenv->err(dbenv, ret, "set_passwd");
+		goto shutdown;
+	}
+
+	/*
+	 * Set up an app-specific dispatch function so that we can gracefully
+	 * handle app-specific log records.
+	 */
+	if ((ret = dbenv->set_app_dispatch(dbenv, print_app_record)) != 0) {
+		dbenv->err(dbenv, ret, "app_dispatch");
 		goto shutdown;
 	}
 
@@ -110,8 +152,19 @@ main(argc, argv)
 	 * An environment is required, but as all we're doing is reading log
 	 * files, we create one if it doesn't already exist.  If we create
 	 * it, create it private so it automatically goes away when we're done.
+	 * If we are reading the replication database, do not open the env
+	 * with logging, because we don't want to log the opens.
 	 */
-	if ((ret = dbenv->open(dbenv, home,
+	if (repflag) {
+		if ((ret = dbenv->open(dbenv, home,
+		    DB_INIT_MPOOL | DB_USE_ENVIRON, 0)) != 0 &&
+		    (ret = dbenv->open(dbenv, home,
+		    DB_CREATE | DB_INIT_MPOOL | DB_PRIVATE | DB_USE_ENVIRON, 0))
+		    != 0) {
+			dbenv->err(dbenv, ret, "open");
+			goto shutdown;
+		}
+	} else if ((ret = dbenv->open(dbenv, home,
 	    DB_JOINENV | DB_USE_ENVIRON, 0)) != 0 &&
 	    (ret = dbenv->open(dbenv, home,
 	    DB_CREATE | DB_INIT_LOG | DB_PRIVATE | DB_USE_ENVIRON, 0)) != 0) {
@@ -120,33 +173,48 @@ main(argc, argv)
 	}
 
 	/* Initialize print callbacks. */
-	if ((ret = __bam_init_print(dbenv)) != 0 ||
-	    (ret = __crdel_init_print(dbenv)) != 0 ||
-	    (ret = __db_init_print(dbenv)) != 0 ||
-	    (ret = __qam_init_print(dbenv)) != 0 ||
-	    (ret = __ham_init_print(dbenv)) != 0 ||
-	    (ret = __log_init_print(dbenv)) != 0 ||
-	    (ret = __txn_init_print(dbenv)) != 0) {
+	if ((ret = __bam_init_print(dbenv, &dtab, &dtabsize)) != 0 ||
+	    (ret = __dbreg_init_print(dbenv, &dtab, &dtabsize)) != 0 ||
+	    (ret = __crdel_init_print(dbenv, &dtab, &dtabsize)) != 0 ||
+	    (ret = __db_init_print(dbenv, &dtab, &dtabsize)) != 0 ||
+	    (ret = __fop_init_print(dbenv, &dtab, &dtabsize)) != 0 ||
+	    (ret = __qam_init_print(dbenv, &dtab, &dtabsize)) != 0 ||
+	    (ret = __ham_init_print(dbenv, &dtab, &dtabsize)) != 0 ||
+	    (ret = __txn_init_print(dbenv, &dtab, &dtabsize)) != 0) {
 		dbenv->err(dbenv, ret, "callback: initialization");
 		goto shutdown;
 	}
 
+	/* Allocate a log cursor. */
+	if (repflag) {
+		if ((ret = open_rep_db(dbenv, &dbp, &dbc)) != 0)
+			goto shutdown;
+	} else if ((ret = dbenv->log_cursor(dbenv, &logc, 0)) != 0) {
+		dbenv->err(dbenv, ret, "DB_ENV->log_cursor");
+		goto shutdown;
+	}
+
 	memset(&data, 0, sizeof(data));
+	memset(&keydbt, 0, sizeof(keydbt));
 	while (!__db_util_interrupted()) {
-		if ((ret = log_get(dbenv, &key, &data, DB_NEXT)) != 0) {
+		if (repflag) {
+			ret = dbc->c_get(dbc,
+			    &keydbt, &data, rflag ? DB_PREV : DB_NEXT);
+			if (ret == 0)
+				key = ((REP_CONTROL *)keydbt.data)->lsn;
+		} else
+			ret = logc->get(logc,
+			    &key, &data, rflag ? DB_PREV : DB_NEXT);
+		if (ret != 0) {
 			if (ret == DB_NOTFOUND)
 				break;
-			dbenv->err(dbenv, ret, "log_get");
+			dbenv->err(dbenv,
+			    ret, repflag ? "DB_LOGC->get" : "DBC->get");
 			goto shutdown;
 		}
 
-		/*
-		 * XXX
-		 * We use DB_TXN_ABORT as our op because that's the only op
-		 * that calls the underlying recovery function without any
-		 * consideration as to the contents of the transaction list.
-		 */
-		ret = __db_dispatch(dbenv, &data, &key, DB_TXN_ABORT, NULL);
+		ret = __db_dispatch(dbenv,
+		    dtab, dtabsize, &data, &key, DB_TXN_PRINT, NULL);
 
 		/*
 		 * XXX
@@ -163,6 +231,22 @@ main(argc, argv)
 	if (0) {
 shutdown:	exitval = 1;
 	}
+	if (logc != NULL && (ret = logc->close(logc, 0)) != 0)
+		exitval = 1;
+
+	if (dbc != NULL && (ret = dbc->c_close(dbc)) != 0)
+		exitval = 1;
+
+	if (dbp != NULL && (ret = dbp->close(dbp, 0)) != 0)
+		exitval = 1;
+
+	/*
+	 * The dtab is allocated by __db_add_recovery (called by *_init_print)
+	 * using the library malloc function (__os_malloc).  It thus needs to be
+	 * freed using the corresponding free (__os_free).
+	 */
+	if (dtab != NULL)
+		__os_free(dbenv, dtab);
 	if (e_close && (ret = dbenv->close(dbenv, 0)) != 0) {
 		exitval = 1;
 		fprintf(stderr,
@@ -172,18 +256,20 @@ shutdown:	exitval = 1;
 	/* Resend any caught signal. */
 	__db_util_sigresend();
 
-	return (exitval);
+	return (exitval == 0 ? EXIT_SUCCESS : EXIT_FAILURE);
 }
 
-void
+int
 usage()
 {
-	fprintf(stderr, "usage: db_printlog [-NV] [-h home]\n");
-	exit (1);
+	fprintf(stderr, "%s\n",
+	    "usage: db_printlog [-NrV] [-h home] [-P password]");
+	return (EXIT_FAILURE);
 }
 
-void
-version_check()
+int
+version_check(progname)
+	const char *progname;
 {
 	int v_major, v_minor, v_patch;
 
@@ -195,6 +281,80 @@ version_check()
 	"%s: version %d.%d.%d doesn't match library version %d.%d.%d\n",
 		    progname, DB_VERSION_MAJOR, DB_VERSION_MINOR,
 		    DB_VERSION_PATCH, v_major, v_minor, v_patch);
-		exit (1);
+		return (EXIT_FAILURE);
+	}
+	return (0);
+}
+
+/* Print an unknown, application-specific log record as best we can. */
+int
+print_app_record(dbenv, dbt, lsnp, op)
+	DB_ENV *dbenv;
+	DBT *dbt;
+	DB_LSN *lsnp;
+	db_recops op;
+{
+	int ch;
+	u_int32_t i, rectype;
+
+	DB_ASSERT(op == DB_TXN_PRINT);
+	COMPQUIET(dbenv, NULL);
+
+	/*
+	 * Fetch the rectype, which always must be at the beginning of the
+	 * record (if dispatching is to work at all).
+	 */
+	memcpy(&rectype, dbt->data, sizeof(rectype));
+
+	/*
+	 * Applications may wish to customize the output here based on the
+	 * rectype.  We just print the entire log record in the generic
+	 * mixed-hex-and-printable format we use for binary data.
+	 */
+	printf("[%lu][%lu]application specific record: rec: %lu\n",
+	    (u_long)lsnp->file, (u_long)lsnp->offset, (u_long)rectype);
+	printf("\tdata: ");
+	for (i = 0; i < dbt->size; i++) {
+		ch = ((u_int8_t *)dbt->data)[i];
+		printf(isprint(ch) || ch == 0x0a ? "%c" : "%#x ", ch);
 	}
+	printf("\n\n");
+
+	return (0);
+}
+
+int
+open_rep_db(dbenv, dbpp, dbcp)
+	DB_ENV *dbenv;
+	DB **dbpp;
+	DBC **dbcp;
+{
+	int ret;
+
+	DB *dbp;
+	*dbpp = NULL;
+	*dbcp = NULL;
+
+	if ((ret = db_create(dbpp, dbenv, 0)) != 0) {
+		dbenv->err(dbenv, ret, "db_create");
+		return (ret);
+	}
+
+	dbp = *dbpp;
+	if ((ret =
+	    dbp->open(dbp, NULL, "__db.rep.db", NULL, DB_BTREE, 0, 0)) != 0) {
+		dbenv->err(dbenv, ret, "DB->open");
+		goto err;
+	}
+
+	if ((ret = dbp->cursor(dbp, NULL, dbcp, 0)) != 0) {
+		dbenv->err(dbenv, ret, "DB->cursor");
+		goto err;
+	}
+
+	return (0);
+
+err:	if (*dbpp != NULL)
+		(void)(*dbpp)->close(*dbpp, 0);
+	return (ret);
 }