/* $Id: tstDeviceCfg.cpp 83261 2020-03-11 16:10:11Z vboxsync $ */ /** @file * tstDevice - Configuration loader. */ /* * Copyright (C) 2020 Oracle Corporation * * This file is part of VirtualBox Open Source Edition (OSE), as * available from http://www.virtualbox.org. This file is free software; * you can redistribute it and/or modify it under the terms of the GNU * General Public License (GPL) as published by the Free Software * Foundation, in version 2 as it comes in the "COPYING" file of the * VirtualBox OSE distribution. VirtualBox OSE is distributed in the * hope that it will be useful, but WITHOUT ANY WARRANTY of any kind. */ /********************************************************************************************************************************* * Header Files * *********************************************************************************************************************************/ #define LOG_GROUP LOG_GROUP_DEFAULT /** @todo */ #include #include #include #include #include #include #include "tstDeviceCfg.h" /********************************************************************************************************************************* * Defined Constants And Macros * *********************************************************************************************************************************/ /********************************************************************************************************************************* * Structures and Typedefs * *********************************************************************************************************************************/ /** * Wrapper around RTErrInfoSetV / RTMsgErrorV. * * @returns @a rc * @param pErrInfo Extended error info. * @param rc The return code. * @param pszFormat The message format. * @param ... The message format arguments. */ static int tstDevCfgErrorRc(PRTERRINFO pErrInfo, int rc, const char *pszFormat, ...) { va_list va; va_start(va, pszFormat); if (pErrInfo) RTErrInfoSetV(pErrInfo, rc, pszFormat, va); else RTMsgErrorV(pszFormat, va); va_end(va); return rc; } /** * Destroys the given configuration item array freeing all allocated resources. * * @returns nothing. * @param paCfg The configuration item array to destroy. * @param cCfgItems Number of items in the array. */ static void tstDevCfgItemsDestroy(PTSTDEVCFGITEM paCfg, uint32_t cCfgItems) { RT_NOREF(paCfg, cCfgItems); } /** * Loads the given string from the config, creating a duplicate. * * @returns VBox status code. * @param hJsonTop The JSON top value handle containing the value to load. * @param pszValName The value name. * @param ppszValCopy Where to store the pointer to the value on success, must be freed with RTStrFree(). * @param fMissingOk Flag whether it is considered success if the value does not exist. * @param pErrInfo Pointer to the error info to fill on error. */ static int tstDevCfgLoadString(RTJSONVAL hJsonTop, const char *pszValName, char **ppszValCopy, bool fMissingOk, PRTERRINFO pErrInfo) { RTJSONVAL hJsonVal; int rc = RTJsonValueQueryByName(hJsonTop, pszValName, &hJsonVal); if (RT_SUCCESS(rc)) { const char *pszVal = RTJsonValueGetString(hJsonVal); if (RT_LIKELY(pszVal)) { *ppszValCopy = RTStrDup(pszVal); if (RT_UNLIKELY(!*ppszValCopy)) rc = tstDevCfgErrorRc(pErrInfo, VERR_NO_STR_MEMORY, "tstDevCfg/JSON: Out of memory allocating memory for value of \"%s\" ", pszValName); } else rc = tstDevCfgErrorRc(pErrInfo, VERR_JSON_VALUE_INVALID_TYPE, "tstDevCfg/JSON: \"%s\" is not a string", pszValName); RTJsonValueRelease(hJsonVal); } else if ( rc == VERR_NOT_FOUND && fMissingOk) { *ppszValCopy = NULL; rc = VINF_SUCCESS; } else rc = tstDevCfgErrorRc(pErrInfo, rc, "tstDevCfg/JSON: Failed to query \"%s\"", pszValName); return rc; } /** * Loads a bool value using the given value name from the config. * * @returns VBox status code. * @param hJsonTop The JSON top value handle containing the value to load. * @param pszValName The value name. * @param pf Where to store the value on success. * @param pErrInfo Pointer to the error info to fill on error. */ static int tstDevCfgLoadBool(RTJSONVAL hJsonTop, const char *pszValName, bool *pf, PRTERRINFO pErrInfo) { int rc = RTJsonValueQueryBooleanByName(hJsonTop, pszValName, pf); if (RT_FAILURE(rc)) rc = tstDevCfgErrorRc(pErrInfo, rc, "tstDevCfg/JSON: Failed to query boolean value of \"%s\"", pszValName); return rc; } /** * Determines the config item type from the given.value. * * @returns VBox status code. * @param hJsonTop The JSON top value handle containing the value to load. * @param pszValName The value name. * @param penmCfgItemType Where to store the determined config item type on success. * @param pErrInfo Pointer to the error info to fill on error. */ static int tstDevCfgLoadCfgItemType(RTJSONVAL hJsonTop, const char *pszValName, PTSTDEVCFGITEMTYPE penmCfgItemType, PRTERRINFO pErrInfo) { RTJSONVAL hJsonVal; int rc = RTJsonValueQueryByName(hJsonTop, pszValName, &hJsonVal); if (RT_SUCCESS(rc)) { const char *pszVal = RTJsonValueGetString(hJsonVal); if (!RTStrCmp(pszVal, "Integer")) *penmCfgItemType = TSTDEVCFGITEMTYPE_INTEGER; else if (!RTStrCmp(pszVal, "String")) *penmCfgItemType = TSTDEVCFGITEMTYPE_STRING; else rc = tstDevCfgErrorRc(pErrInfo, VERR_JSON_VALUE_INVALID_TYPE, "tstDevCfg/JSON: \"%s\" is not a valid config item type", pszVal); RTJsonValueRelease(hJsonVal); } else rc = tstDevCfgErrorRc(pErrInfo, rc, "tstDevCfg/JSON: Failed to query \"%s\"", pszValName); return rc; } /** * Loads the config item value from the given config based on the earlier determined type. * * @returns VBox status code. * @param hJsonTop The JSON top value handle containing the value to load. * @param pszValName The value name. * @param pCfg Where to store the retrieved config value. * @param enmCfgItemType The earlier determined config item type. * @param pErrInfo Pointer to the error info to fill on error. */ static int tstDevCfgLoadCfgItemValue(RTJSONVAL hJsonTop, const char *pszValName, PTSTDEVCFGITEM pCfg, TSTDEVCFGITEMTYPE enmCfgItemType, PRTERRINFO pErrInfo) { RTJSONVAL hJsonVal; int rc = RTJsonValueQueryByName(hJsonTop, pszValName, &hJsonVal); if (RT_SUCCESS(rc)) { RTJSONVALTYPE enmJsonType = RTJsonValueGetType(hJsonVal); if ( ( enmJsonType == RTJSONVALTYPE_INTEGER && enmCfgItemType == TSTDEVCFGITEMTYPE_INTEGER) || ( enmJsonType == RTJSONVALTYPE_STRING && enmCfgItemType == TSTDEVCFGITEMTYPE_STRING)) { switch (enmCfgItemType) { case TSTDEVCFGITEMTYPE_INTEGER: { rc = RTJsonValueQueryInteger(hJsonVal, &pCfg->u.i64); break; } case TSTDEVCFGITEMTYPE_STRING: { const char *psz = RTJsonValueGetString(hJsonVal); AssertPtr(psz); pCfg->u.psz = RTStrDup(psz); if (RT_UNLIKELY(!pCfg->u.psz)) rc = VERR_NO_STR_MEMORY; break; } default: AssertFailed(); /* Should never ever get here. */ rc = tstDevCfgErrorRc(pErrInfo, VERR_INTERNAL_ERROR, "tstDevCfg/JSON: Invalid config item type %u", enmCfgItemType); } if (RT_SUCCESS(rc)) pCfg->enmType = enmCfgItemType; else rc = tstDevCfgErrorRc(pErrInfo, rc, "tstDevCfg/JSON: Failed to query config item value"); } else rc = tstDevCfgErrorRc(pErrInfo, rc, "tstDevCfg/JSON: JSON value type doesn't match config item type (got %u, expected %u)", enmJsonType, enmCfgItemType); RTJsonValueRelease(hJsonVal); } else rc = tstDevCfgErrorRc(pErrInfo, rc, "tstDevCfg/JSON: Failed to query \"%s\"", pszValName); return rc; } /** * Loads the test configuration from the given JSON value. * * @returns VBox status code. * @param paCfg The configuration array to fill. * @param cCfgItems Number of configuration items. * @param hJsonValCfg The JSON value to gather the config items from. * @param pErrInfo Pointer to error info. */ static int tstDevCfgLoadTestCfgWorker(PTSTDEVCFGITEM paCfg, uint32_t cCfgItems, RTJSONVAL hJsonValCfg, PRTERRINFO pErrInfo) { int rc = VINF_SUCCESS; for (uint32_t i = 0; i < cCfgItems && RT_SUCCESS(rc); i++) { PTSTDEVCFGITEM pCfg = &paCfg[i]; RTJSONVAL hJsonCfg; rc = RTJsonValueQueryByIndex(hJsonValCfg, i, &hJsonCfg); if (RT_SUCCESS(rc)) { TSTDEVCFGITEMTYPE enmCfgItemType; rc = tstDevCfgLoadString(hJsonCfg, "Key", (char **)&pCfg->pszKey, false /*fMissingOk*/, pErrInfo); if (RT_SUCCESS(rc)) rc = tstDevCfgLoadCfgItemType(hJsonCfg, "Type", &enmCfgItemType, pErrInfo); if (RT_SUCCESS(rc)) rc = tstDevCfgLoadCfgItemValue(hJsonCfg, "Value", pCfg, enmCfgItemType, pErrInfo); } else rc = tstDevCfgErrorRc(pErrInfo, rc, "tstDevCfg/JSON: Failed to query config item %u", i); } return rc; } /** * Loads a single testcase from the given JSON config value. * * @returns VBox status code. * @param ppszTestcaseId Where to store the testcase ID on success. * @param pcTestcaseCfgItems Where to store the number of testcase config items on success. * @param ppTestcaseCfg Where to store the testcase config on success. * @param pErrInfo Pointer to error info. */ static int tstDevCfgLoadTestcase(RTJSONVAL hJsonTestcase, const char **ppszTestcaseId, uint32_t *pcTestcaseCfgItems, PCTSTDEVCFGITEM *ppTestcaseCfg, PRTERRINFO pErrInfo) { char *pszTestcaseId = NULL; int rc = tstDevCfgLoadString(hJsonTestcase, "Testcase", &pszTestcaseId, false /*fMissingOk*/, pErrInfo); if (RT_SUCCESS(rc)) { RTJSONVAL hJsonValCfg; rc = RTJsonValueQueryByName(hJsonTestcase, "Config", &hJsonValCfg); if (RT_SUCCESS(rc)) { unsigned cCfgItems = 0; rc = RTJsonValueQueryArraySize(hJsonValCfg, &cCfgItems); if (RT_SUCCESS(rc)) { if (cCfgItems > 0) { size_t cbCfg = sizeof(TSTDEVCFGITEM) * cCfgItems; PTSTDEVCFGITEM paCfg = (PTSTDEVCFGITEM)RTMemAllocZ(cbCfg); if (paCfg) { rc = tstDevCfgLoadTestCfgWorker(paCfg, cCfgItems, hJsonValCfg, pErrInfo); if (RT_SUCCESS(rc)) { *ppszTestcaseId = pszTestcaseId; *pcTestcaseCfgItems = cCfgItems; *ppTestcaseCfg = paCfg; } else /* Error already set, free test config structure. */ tstDevCfgItemsDestroy(paCfg, cCfgItems); } else rc = tstDevCfgErrorRc(pErrInfo, rc, "tstDevCfg/JSON: Failed to allocate %zu bytes for the test config structure", cbCfg); } else { *ppszTestcaseId = pszTestcaseId; *pcTestcaseCfgItems = 0; *ppTestcaseCfg = NULL; } } else rc = tstDevCfgErrorRc(pErrInfo, rc, "tstDevCfg/JSON: \"Config\" is not an array"); RTJsonValueRelease(hJsonValCfg); } else tstDevCfgErrorRc(pErrInfo, rc, "tstDevCfg/JSON: Failed to query \"Config\" value"); if (RT_FAILURE(rc)) RTStrFree(pszTestcaseId); } return rc; } /** * Loads the testcase descriptions from the config. * * @returns VBox status code. * @param pDevTest Where to store the testcases config on success. * @param hJsonValTest Where to load the testcases config from. * @param pErrInfo Pointer to error info. */ static int tstDevCfgLoadTestcases(PTSTDEVTEST pDevTest, RTJSONVAL hJsonValTest, PRTERRINFO pErrInfo) { RTJSONVAL hJsonValTestcases; int rc = RTJsonValueQueryByName(hJsonValTest, "Testcases", &hJsonValTestcases); if (RT_SUCCESS(rc)) { unsigned cTestcases = 0; rc = RTJsonValueQueryArraySize(hJsonValTestcases, &cTestcases); if (RT_SUCCESS(rc)) { pDevTest->cTestcases = cTestcases; if (cTestcases > 0) { size_t cbArray = sizeof(void *) * 2 * cTestcases + cTestcases * sizeof(uint32_t); /* One for the testcase ID and one for the associated configuration. */ uint8_t *pbTmp = (uint8_t *)RTMemAllocZ(cbArray); if (pbTmp) { pDevTest->papszTestcaseIds = (const char **)pbTmp; pDevTest->pacTestcaseCfgItems = (uint32_t *)&pDevTest->papszTestcaseIds[cTestcases]; pDevTest->papTestcaseCfg = (PCTSTDEVCFGITEM *)&pDevTest->pacTestcaseCfgItems[cTestcases]; for (uint32_t i = 0; i < cTestcases; i++) { RTJSONVAL hJsonTestcase; rc = RTJsonValueQueryByIndex(hJsonValTestcases, i, &hJsonTestcase); if (RT_SUCCESS(rc)) { rc = tstDevCfgLoadTestcase(hJsonTestcase, &pDevTest->papszTestcaseIds[i], &pDevTest->pacTestcaseCfgItems[i], &pDevTest->papTestcaseCfg[i], pErrInfo); RTJsonValueRelease(hJsonTestcase); } else rc = tstDevCfgErrorRc(pErrInfo, rc, "tstDevCfg/JSON: Failed to query testcase item %u", i); } } else rc = tstDevCfgErrorRc(pErrInfo, rc, "tstDevCfg/JSON: Failed to allocate %zu bytes for the testcases", cbArray); } else rc = tstDevCfgErrorRc(pErrInfo, VERR_INVALID_PARAMETER, "tstDevCfg/JSON: \"Testcases\" doesn't contain anything"); } else rc = tstDevCfgErrorRc(pErrInfo, rc, "tstDevCfg/JSON: \"Testcases\" is not an array"); RTJsonValueRelease(hJsonValTestcases); } else tstDevCfgErrorRc(pErrInfo, rc, "tstDevCfg/JSON: Failed to query \"Testcases\" value"); return rc; } /** * Loads a test config from the given JSON object. * * @returns VBox status code. * @param pDevTest Where to store the test config on success. * @param hJsonValTest Where to load the test config from. * @param pErrInfo Pointer to error info. */ static int tstDevCfgLoadTest(PTSTDEVTEST pDevTest, RTJSONVAL hJsonValTest, PRTERRINFO pErrInfo) { int rc = tstDevCfgLoadBool(hJsonValTest, "R0Enabled", &pDevTest->fR0Enabled, pErrInfo); if (RT_SUCCESS(rc)) rc = tstDevCfgLoadBool(hJsonValTest, "RCEnabled", &pDevTest->fRCEnabled, pErrInfo); if (RT_SUCCESS(rc)) { RTJSONVAL hJsonValCfg; rc = RTJsonValueQueryByName(hJsonValTest, "Config", &hJsonValCfg); if (RT_SUCCESS(rc)) { unsigned cCfgItems = 0; rc = RTJsonValueQueryArraySize(hJsonValCfg, &cCfgItems); if (RT_SUCCESS(rc)) { pDevTest->cCfgItems = cCfgItems; if (cCfgItems > 0) { size_t cbCfg = sizeof(TSTDEVCFGITEM) * cCfgItems; PTSTDEVCFGITEM paCfg = (PTSTDEVCFGITEM)RTMemAllocZ(cbCfg); if (paCfg) { rc = tstDevCfgLoadTestCfgWorker(paCfg, cCfgItems, hJsonValCfg, pErrInfo); if (RT_SUCCESS(rc)) pDevTest->paCfgItems = paCfg; else /* Error already set, free test config structure. */ tstDevCfgItemsDestroy(paCfg, cCfgItems); } else rc = tstDevCfgErrorRc(pErrInfo, rc, "tstDevCfg/JSON: Failed to allocate %zu bytes for the test config structure", cbCfg); } } else rc = tstDevCfgErrorRc(pErrInfo, rc, "tstDevCfg/JSON: \"Config\" is not an array"); RTJsonValueRelease(hJsonValCfg); } else tstDevCfgErrorRc(pErrInfo, rc, "tstDevCfg/JSON: Failed to query \"Config\" value"); } /* Load the test configs. */ if (RT_SUCCESS(rc)) rc = tstDevCfgLoadTestcases(pDevTest, hJsonValTest, pErrInfo); return rc; } /** * Configuration loader worker. * * @returns VBox status code. * @param pDevTstCfg The test config structure to fill. * @param hJsonRoot Handle of the root JSON value. * @param hJsonValDeviceTests Handle to the test JSON array. * @param pErrInfo Pointer to the error info. */ static int tstDevCfgLoadWorker(PTSTDEVCFG pDevTstCfg, RTJSONVAL hJsonRoot, RTJSONVAL hJsonValDeviceTests, PRTERRINFO pErrInfo) { int rc = tstDevCfgLoadString(hJsonRoot, "PdmR3Module", (char **)&pDevTstCfg->pszPdmR3Mod, false /*fMissingOk*/, pErrInfo); if (RT_SUCCESS(rc)) rc = tstDevCfgLoadString(hJsonRoot, "PdmR0Module", (char **)&pDevTstCfg->pszPdmR0Mod, true /*fMissingOk*/, pErrInfo); if (RT_SUCCESS(rc)) rc = tstDevCfgLoadString(hJsonRoot, "PdmRCModule", (char **)&pDevTstCfg->pszPdmRCMod, true /*fMissingOk*/, pErrInfo); if (RT_SUCCESS(rc)) rc = tstDevCfgLoadString(hJsonRoot, "TestcaseModule", (char **)&pDevTstCfg->pszTstDevMod, true /*fMissingOk*/, pErrInfo); if (RT_SUCCESS(rc)) rc = tstDevCfgLoadString(hJsonRoot, "Device", (char **)&pDevTstCfg->pszDevName, false /*fMissingOk*/, pErrInfo); if (RT_SUCCESS(rc)) { /* Load the individual test configs. */ for (uint32_t idx = 0; idx < pDevTstCfg->cTests && RT_SUCCESS(rc); idx++) { RTJSONVAL hJsonValTest; rc = RTJsonValueQueryByIndex(hJsonValDeviceTests, idx, &hJsonValTest); if (RT_SUCCESS(rc)) { rc = tstDevCfgLoadTest(&pDevTstCfg->aTests[idx], hJsonValTest, pErrInfo); RTJsonValueRelease(hJsonValTest); } else rc = tstDevCfgErrorRc(pErrInfo, rc, "tstDevCfg/JSON: Failed to query test %u from \"DeviceTests\"", idx); } } return rc; } DECLHIDDEN(int) tstDevCfgLoad(const char *pszCfgFilename, PRTERRINFO pErrInfo, PCTSTDEVCFG *ppDevTstCfg) { RTJSONVAL hJsonRoot; int rc = RTJsonParseFromFile(&hJsonRoot, pszCfgFilename, pErrInfo); if (RT_SUCCESS(rc)) { RTJSONVAL hJsonValDeviceTests; rc = RTJsonValueQueryByName(hJsonRoot, "DeviceTests", &hJsonValDeviceTests); if (RT_SUCCESS(rc)) { unsigned cTests = 0; rc = RTJsonValueQueryArraySize(hJsonValDeviceTests, &cTests); if (RT_SUCCESS(rc)) { if (cTests > 0) { size_t cbTestCfg = RT_UOFFSETOF_DYN(TSTDEVCFG, aTests[cTests]); PTSTDEVCFG pDevTstCfg = (PTSTDEVCFG)RTMemAllocZ(cbTestCfg); if (pDevTstCfg) { pDevTstCfg->cTests = cTests; rc = tstDevCfgLoadWorker(pDevTstCfg, hJsonRoot, hJsonValDeviceTests, pErrInfo); if (RT_SUCCESS(rc)) *ppDevTstCfg = pDevTstCfg; else /* Error already set, free test config structure. */ tstDevCfgDestroy(pDevTstCfg); } else rc = tstDevCfgErrorRc(pErrInfo, rc, "tstDevCfg/JSON: Failed to allocate %zu bytes for the test config structure", cbTestCfg); } else rc = tstDevCfgErrorRc(pErrInfo, rc, "tstDevCfg/JSON: \"DeviceTests\" is empty"); } else rc = tstDevCfgErrorRc(pErrInfo, rc, "tstDevCfg/JSON: \"DeviceTests\" is not an array"); RTJsonValueRelease(hJsonValDeviceTests); } else tstDevCfgErrorRc(pErrInfo, rc, "tstDevCfg/JSON: Failed to query \"DeviceTests\" value"); RTJsonValueRelease(hJsonRoot); } return rc; } DECLHIDDEN(void) tstDevCfgDestroy(PCTSTDEVCFG pDevTstCfg) { RT_NOREF(pDevTstCfg); }