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So far we are repeating the following lines over and over: if (!(virSomeObjectClass = virClassNew(virClassForObject(), "virSomeObject", sizeof(virSomeObject), virSomeObjectDispose))) return -1; While this works, it is impossible to do some checking. Firstly, the class name (the 2nd argument) doesn't match the name in the code in all cases (the 3rd argument). Secondly, the current style is needlessly verbose. This commit turns example into following: if (!(VIR_CLASS_NEW(virSomeObject, virClassForObject))) return -1; Signed-off-by: Michal Privoznik <mprivozn@redhat.com> Reviewed-by: Daniel P. Berrangé <berrange@redhat.com>
236 lines
5.3 KiB
C
236 lines
5.3 KiB
C
/*
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* Copyright (C) 2017 Red Hat, Inc.
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2.1 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library. If not, see
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* <http://www.gnu.org/licenses/>.
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*
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*/
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#include <config.h>
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#include "testutils.h"
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#include "virfile.h"
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#include "virfilecache.h"
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#define VIR_FROM_THIS VIR_FROM_NONE
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struct _testFileCacheObj {
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virObject parent;
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char *data;
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};
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typedef struct _testFileCacheObj testFileCacheObj;
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typedef testFileCacheObj *testFileCacheObjPtr;
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static virClassPtr testFileCacheObjClass;
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static void
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testFileCacheObjDispose(void *opaque)
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{
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testFileCacheObjPtr obj = opaque;
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VIR_FREE(obj->data);
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}
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static int
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testFileCacheObjOnceInit(void)
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{
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if (!VIR_CLASS_NEW(testFileCacheObj, virClassForObject()))
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return -1;
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return 0;
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}
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VIR_ONCE_GLOBAL_INIT(testFileCacheObj)
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static testFileCacheObjPtr
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testFileCacheObjNew(const char *data)
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{
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testFileCacheObjPtr obj;
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if (testFileCacheObjInitialize() < 0)
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return NULL;
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if (!(obj = virObjectNew(testFileCacheObjClass)))
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return NULL;
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if (VIR_STRDUP(obj->data, data) < 0)
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goto error;
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return obj;
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error:
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virObjectUnref(obj);
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return NULL;
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}
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struct _testFileCachePriv {
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bool dataSaved;
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const char *newData;
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const char *expectData;
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};
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typedef struct _testFileCachePriv testFileCachePriv;
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typedef testFileCachePriv *testFileCachePrivPtr;
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static bool
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testFileCacheIsValid(void *data,
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void *priv)
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{
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testFileCachePrivPtr testPriv = priv;
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testFileCacheObjPtr obj = data;
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return STREQ(testPriv->expectData, obj->data);
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}
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static void *
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testFileCacheNewData(const char *name ATTRIBUTE_UNUSED,
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void *priv)
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{
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testFileCachePrivPtr testPriv = priv;
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return testFileCacheObjNew(testPriv->newData);
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}
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static void *
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testFileCacheLoadFile(const char *filename,
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const char *name ATTRIBUTE_UNUSED,
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void *priv ATTRIBUTE_UNUSED)
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{
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testFileCacheObjPtr obj;
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char *data;
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if (virFileReadAll(filename, 20, &data) < 0)
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return NULL;
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obj = testFileCacheObjNew(data);
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VIR_FREE(data);
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return obj;
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}
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static int
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testFileCacheSaveFile(void *data ATTRIBUTE_UNUSED,
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const char *filename ATTRIBUTE_UNUSED,
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void *priv)
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{
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testFileCachePrivPtr testPriv = priv;
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testPriv->dataSaved = true;
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return 0;
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}
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virFileCacheHandlers testFileCacheHandlers = {
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.isValid = testFileCacheIsValid,
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.newData = testFileCacheNewData,
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.loadFile = testFileCacheLoadFile,
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.saveFile = testFileCacheSaveFile
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};
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struct _testFileCacheData {
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virFileCachePtr cache;
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const char *name;
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const char *newData;
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const char *expectData;
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bool expectSave;
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};
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typedef struct _testFileCacheData testFileCacheData;
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typedef testFileCacheData *testFileCacheDataPtr;
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static int
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testFileCache(const void *opaque)
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{
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int ret = -1;
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const testFileCacheData *data = opaque;
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testFileCacheObjPtr obj = NULL;
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testFileCachePrivPtr testPriv = virFileCacheGetPriv(data->cache);
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testPriv->dataSaved = false;
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testPriv->newData = data->newData;
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testPriv->expectData = data->expectData;
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if (!(obj = virFileCacheLookup(data->cache, data->name))) {
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fprintf(stderr, "Getting cached data failed.\n");
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goto cleanup;
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}
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if (!obj->data || STRNEQ(data->expectData, obj->data)) {
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fprintf(stderr, "Expect data '%s', loaded data '%s'.\n",
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data->expectData, NULLSTR(obj->data));
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goto cleanup;
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}
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if (data->expectSave != testPriv->dataSaved) {
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fprintf(stderr, "Expect data to be saved '%s', data saved '%s'.\n",
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data->expectSave ? "yes" : "no",
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testPriv->dataSaved ? "yes" : "no");
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goto cleanup;
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}
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ret = 0;
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cleanup:
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virObjectUnref(obj);
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return ret;
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}
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static int
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mymain(void)
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{
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int ret = 0;
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testFileCachePriv testPriv = {0};
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virFileCachePtr cache = NULL;
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if (!(cache = virFileCacheNew(abs_srcdir "/virfilecachedata",
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"cache", &testFileCacheHandlers)))
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return EXIT_FAILURE;
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virFileCacheSetPriv(cache, &testPriv);
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#define TEST_RUN(name, newData, expectData, expectSave) \
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do { \
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testFileCacheData data = { \
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cache, name, newData, expectData, expectSave \
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}; \
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if (virTestRun(name, testFileCache, &data) < 0) \
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ret = -1; \
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} while (0)
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/* The cache file name is created using:
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* '$ echo -n $TEST_NAME | sha256sum' */
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TEST_RUN("cacheValid", NULL, "aaa\n", false);
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TEST_RUN("cacheInvalid", "bbb\n", "bbb\n", true);
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TEST_RUN("cacheMissing", "ccc\n", "ccc\n", true);
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virObjectUnref(cache);
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return ret != 0 ? EXIT_FAILURE : EXIT_SUCCESS;
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}
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VIR_TEST_MAIN_PRELOAD(mymain, abs_builddir "/.libs/virfilecachemock.so")
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