diff options
Diffstat (limited to 'db/log/log_debug.c')
| -rw-r--r-- | db/log/log_debug.c | 153 |
1 files changed, 153 insertions, 0 deletions
diff --git a/db/log/log_debug.c b/db/log/log_debug.c new file mode 100644 index 000000000..f142d88f0 --- /dev/null +++ b/db/log/log_debug.c @@ -0,0 +1,153 @@ +/*- + * See the file LICENSE for redistribution information. + * + * Copyright (c) 1999-2006 + * Oracle Corporation. All rights reserved. + * + * $Id: log_debug.c,v 1.9 2006/08/24 14:46:12 bostic Exp $ + */ + +#include "db_config.h" + +#include "db_int.h" +#include "dbinc/db_page.h" +#include "dbinc/db_am.h" +#include "dbinc/log.h" + +static int __log_printf_int __P((DB_ENV *, DB_TXN *, const char *, va_list)); + +/* + * __log_printf_capi -- + * Write a printf-style format string into the DB log. + * + * PUBLIC: int __log_printf_capi __P((DB_ENV *, DB_TXN *, const char *, ...)) + * PUBLIC: __attribute__ ((__format__ (__printf__, 3, 4))); + */ +int +#ifdef STDC_HEADERS +__log_printf_capi(DB_ENV *dbenv, DB_TXN *txnid, const char *fmt, ...) +#else +__log_printf_capi(dbenv, txnid, fmt, va_alist) + DB_ENV *dbenv; + DB_TXN *txnid; + const char *fmt; + va_dcl +#endif +{ + va_list ap; + int ret; + +#ifdef STDC_HEADERS + va_start(ap, fmt); +#else + va_start(ap); +#endif + ret = __log_printf_pp(dbenv, txnid, fmt, ap); + va_end(ap); + + return (ret); +} + +/* + * __log_printf_pp -- + * Handle the arguments and call an internal routine to do the work. + * + * The reason this routine isn't just folded into __log_printf_capi + * is because the C++ API has to call a C API routine, and you can + * only pass variadic arguments to a single routine. + * + * PUBLIC: int __log_printf_pp + * PUBLIC: __P((DB_ENV *, DB_TXN *, const char *, va_list)); + */ +int +__log_printf_pp(dbenv, txnid, fmt, ap) + DB_ENV *dbenv; + DB_TXN *txnid; + const char *fmt; + va_list ap; +{ + DB_THREAD_INFO *ip; + int rep_check, ret, t_ret; + + PANIC_CHECK(dbenv); + ENV_REQUIRES_CONFIG(dbenv, + dbenv->lg_handle, "DB_ENV->log_printf", DB_INIT_LOG); + + ENV_ENTER(dbenv, ip); + rep_check = IS_ENV_REPLICATED(dbenv) ? 1 : 0; + if (rep_check && (ret = __env_rep_enter(dbenv, 0)) != 0) + return (ret); + + ret = __log_printf_int(dbenv, txnid, fmt, ap); + + if (rep_check && (t_ret = __env_db_rep_exit(dbenv)) != 0 && (ret) == 0) + ret = t_ret; + va_end(ap); + ENV_LEAVE(dbenv, ip); + + return (ret); +} + +/* + * __log_printf -- + * Write a printf-style format string into the DB log. + * + * PUBLIC: int __log_printf __P((DB_ENV *, DB_TXN *, const char *, ...)) + * PUBLIC: __attribute__ ((__format__ (__printf__, 3, 4))); + */ +int +#ifdef STDC_HEADERS +__log_printf(DB_ENV *dbenv, DB_TXN *txnid, const char *fmt, ...) +#else +__log_printf(dbenv, txnid, fmt, va_alist) + DB_ENV *dbenv; + DB_TXN *txnid; + const char *fmt; + va_dcl +#endif +{ + va_list ap; + int ret; + +#ifdef STDC_HEADERS + va_start(ap, fmt); +#else + va_start(ap); +#endif + ret = __log_printf_int(dbenv, txnid, fmt, ap); + va_end(ap); + + return (ret); +} + +/* + * __log_printf_int -- + * Write a printf-style format string into the DB log (internal). + */ +static int +__log_printf_int(dbenv, txnid, fmt, ap) + DB_ENV *dbenv; + DB_TXN *txnid; + const char *fmt; + va_list ap; +{ + DBT opdbt, msgdbt; + DB_LSN lsn; + char __logbuf[2048]; /* !!!: END OF THE STACK DON'T TRUST SPRINTF. */ + + if (!DBENV_LOGGING(dbenv)) { + __db_errx(dbenv, "Logging not currently permitted"); + return (EAGAIN); + } + + memset(&opdbt, 0, sizeof(opdbt)); + opdbt.data = "DIAGNOSTIC"; + opdbt.size = sizeof("DIAGNOSTIC") - 1; + + memset(&msgdbt, 0, sizeof(msgdbt)); + msgdbt.data = __logbuf; + msgdbt.size = (u_int32_t)vsnprintf(__logbuf, sizeof(__logbuf), fmt, ap); + + return (__db_debug_log( + dbenv, txnid, &lsn, 0, &opdbt, -1, &msgdbt, NULL, 0)); +} |