From e8ec7aa8e38a93f5b034ac74cebce5de23710317 Mon Sep 17 00:00:00 2001 From: hongbotian Date: Mon, 30 Nov 2015 01:45:08 -0500 Subject: upload http JIRA: BOTTLENECK-10 Change-Id: I7598427ff904df438ce77c2819ee48ac75ffa8da Signed-off-by: hongbotian --- .../srclib/apr-util/dbm/apr_dbm_gdbm.c | 270 +++++++++++++++++++++ 1 file changed, 270 insertions(+) create mode 100644 rubbos/app/httpd-2.0.64/srclib/apr-util/dbm/apr_dbm_gdbm.c (limited to 'rubbos/app/httpd-2.0.64/srclib/apr-util/dbm/apr_dbm_gdbm.c') diff --git a/rubbos/app/httpd-2.0.64/srclib/apr-util/dbm/apr_dbm_gdbm.c b/rubbos/app/httpd-2.0.64/srclib/apr-util/dbm/apr_dbm_gdbm.c new file mode 100644 index 00000000..93fb942a --- /dev/null +++ b/rubbos/app/httpd-2.0.64/srclib/apr-util/dbm/apr_dbm_gdbm.c @@ -0,0 +1,270 @@ +/* Copyright 2000-2005 The Apache Software Foundation or its licensors, as + * applicable. + * + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + */ + +#include "apr_strings.h" + +#if APR_HAVE_STDLIB_H +#include /* for free() */ +#endif + +#include "apu.h" + +#if APU_HAVE_GDBM +#include "apr_dbm_private.h" + +#include + +/* this is used in a few places to define a noop "function". it is needed + to stop "no effect" warnings from GCC. */ +#define NOOP_FUNCTION if (0) ; else + +/* ### define defaults for now; these will go away in a while */ +#define REGISTER_CLEANUP(dbm, pdatum) NOOP_FUNCTION +#define SET_FILE(pdb, f) ((pdb)->file = (f)) + +typedef GDBM_FILE real_file_t; + +typedef datum *cvt_datum_t; +#define CONVERT_DATUM(cvt, pinput) ((cvt) = (datum *)(pinput)) + +typedef datum result_datum_t; +#define RETURN_DATUM(poutput, rd) (*(poutput) = *(apr_datum_t *)&(rd)) + +#define APR_DBM_CLOSE(f) gdbm_close(f) +#define APR_DBM_FETCH(f, k, v) ((v) = gdbm_fetch(f, *(k)), APR_SUCCESS) +#define APR_DBM_STORE(f, k, v) g2s(gdbm_store(f, *(k), *(v), GDBM_REPLACE)) +#define APR_DBM_DELETE(f, k) g2s(gdbm_delete(f, *(k))) +#define APR_DBM_FIRSTKEY(f, k) ((k) = gdbm_firstkey(f), APR_SUCCESS) +#define APR_DBM_NEXTKEY(f, k, nk) ((nk) = gdbm_nextkey(f, *(k)), APR_SUCCESS) +#define APR_DBM_FREEDPTR(dptr) ((dptr) ? free(dptr) : 0) + +#undef REGISTER_CLEANUP +#define REGISTER_CLEANUP(dbm, pdatum) \ + if ((pdatum)->dptr) \ + apr_pool_cleanup_register((dbm)->pool, (pdatum)->dptr, \ + datum_cleanup, apr_pool_cleanup_null); \ + else + +#define APR_DBM_DBMODE_RO GDBM_READER +#define APR_DBM_DBMODE_RW GDBM_WRITER +#define APR_DBM_DBMODE_RWCREATE GDBM_WRCREAT +#define APR_DBM_DBMODE_RWTRUNC GDBM_NEWDB + +/* map a GDBM error to an apr_status_t */ +static apr_status_t g2s(int gerr) +{ + if (gerr == -1) { + /* ### need to fix this */ + return APR_EGENERAL; + } + + return APR_SUCCESS; +} + +static apr_status_t datum_cleanup(void *dptr) +{ + if (dptr) + free(dptr); + + return APR_SUCCESS; +} + +static apr_status_t set_error(apr_dbm_t *dbm, apr_status_t dbm_said) +{ + apr_status_t rv = APR_SUCCESS; + + /* ### ignore whatever the DBM said (dbm_said); ask it explicitly */ + + if ((dbm->errcode = gdbm_errno) == GDBM_NO_ERROR) { + dbm->errmsg = NULL; + } + else { + dbm->errmsg = gdbm_strerror(gdbm_errno); + rv = APR_EGENERAL; /* ### need something better */ + } + + /* captured it. clear it now. */ + gdbm_errno = GDBM_NO_ERROR; + + return rv; +} + +/* -------------------------------------------------------------------------- +** +** DEFINE THE VTABLE FUNCTIONS FOR GDBM +*/ + +static apr_status_t vt_gdbm_open(apr_dbm_t **pdb, const char *pathname, + apr_int32_t mode, apr_fileperms_t perm, + apr_pool_t *pool) +{ + real_file_t file; + int dbmode; + + *pdb = NULL; + + switch (mode) { + case APR_DBM_READONLY: + dbmode = APR_DBM_DBMODE_RO; + break; + case APR_DBM_READWRITE: + dbmode = APR_DBM_DBMODE_RW; + break; + case APR_DBM_RWCREATE: + dbmode = APR_DBM_DBMODE_RWCREATE; + break; + case APR_DBM_RWTRUNC: + dbmode = APR_DBM_DBMODE_RWTRUNC; + break; + default: + return APR_EINVAL; + } + + { + /* Note: stupid cast to get rid of "const" on the pathname */ + file = gdbm_open((char *) pathname, 0, dbmode, + apr_posix_perms2mode(perm), NULL); + if (file == NULL) + return APR_EGENERAL; /* ### need a better error */ + } + + /* we have an open database... return it */ + *pdb = apr_pcalloc(pool, sizeof(**pdb)); + (*pdb)->pool = pool; + (*pdb)->type = &apr_dbm_type_gdbm; + SET_FILE(*pdb, file); + + /* ### register a cleanup to close the DBM? */ + + return APR_SUCCESS; +} + +static void vt_gdbm_close(apr_dbm_t *dbm) +{ + APR_DBM_CLOSE(dbm->file); +} + +static apr_status_t vt_gdbm_fetch(apr_dbm_t *dbm, apr_datum_t key, + apr_datum_t * pvalue) +{ + apr_status_t rv; + cvt_datum_t ckey; + result_datum_t rd; + + CONVERT_DATUM(ckey, &key); + rv = APR_DBM_FETCH(dbm->file, ckey, rd); + RETURN_DATUM(pvalue, rd); + + REGISTER_CLEANUP(dbm, pvalue); + + /* store the error info into DBM, and return a status code. Also, note + that *pvalue should have been cleared on error. */ + return set_error(dbm, rv); +} + +static apr_status_t vt_gdbm_store(apr_dbm_t *dbm, apr_datum_t key, + apr_datum_t value) +{ + apr_status_t rv; + cvt_datum_t ckey; + cvt_datum_t cvalue; + + CONVERT_DATUM(ckey, &key); + CONVERT_DATUM(cvalue, &value); + rv = APR_DBM_STORE(dbm->file, ckey, cvalue); + + /* store any error info into DBM, and return a status code. */ + return set_error(dbm, rv); +} + +static apr_status_t vt_gdbm_del(apr_dbm_t *dbm, apr_datum_t key) +{ + apr_status_t rv; + cvt_datum_t ckey; + + CONVERT_DATUM(ckey, &key); + rv = APR_DBM_DELETE(dbm->file, ckey); + + /* store any error info into DBM, and return a status code. */ + return set_error(dbm, rv); +} + +static int vt_gdbm_exists(apr_dbm_t *dbm, apr_datum_t key) +{ + datum *ckey = (datum *)&key; + + return gdbm_exists(dbm->file, *ckey) != 0; +} + +static apr_status_t vt_gdbm_firstkey(apr_dbm_t *dbm, apr_datum_t * pkey) +{ + apr_status_t rv; + result_datum_t rd; + + rv = APR_DBM_FIRSTKEY(dbm->file, rd); + RETURN_DATUM(pkey, rd); + + REGISTER_CLEANUP(dbm, pkey); + + /* store any error info into DBM, and return a status code. */ + return set_error(dbm, rv); +} + +static apr_status_t vt_gdbm_nextkey(apr_dbm_t *dbm, apr_datum_t * pkey) +{ + apr_status_t rv; + cvt_datum_t ckey; + result_datum_t rd; + + CONVERT_DATUM(ckey, pkey); + rv = APR_DBM_NEXTKEY(dbm->file, ckey, rd); + RETURN_DATUM(pkey, rd); + + REGISTER_CLEANUP(dbm, pkey); + + /* store any error info into DBM, and return a status code. */ + return set_error(dbm, APR_SUCCESS); +} + +static void vt_gdbm_freedatum(apr_dbm_t *dbm, apr_datum_t data) +{ + (void) apr_pool_cleanup_run(dbm->pool, data.dptr, datum_cleanup); +} + +static void vt_gdbm_usednames(apr_pool_t *pool, const char *pathname, + const char **used1, const char **used2) +{ + *used1 = apr_pstrdup(pool, pathname); + *used2 = NULL; +} + + +APU_DECLARE_DATA const apr_dbm_type_t apr_dbm_type_gdbm = { + "gdbm", + + vt_gdbm_open, + vt_gdbm_close, + vt_gdbm_fetch, + vt_gdbm_store, + vt_gdbm_del, + vt_gdbm_exists, + vt_gdbm_firstkey, + vt_gdbm_nextkey, + vt_gdbm_freedatum, + vt_gdbm_usednames +}; + +#endif /* APU_HAVE_GDBM */ -- cgit 1.2.3-korg