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Diffstat (limited to 'src/VBox/Runtime/testcase/tstHandleTable.cpp')
| -rw-r--r-- | src/VBox/Runtime/testcase/tstHandleTable.cpp | 552 |
1 files changed, 552 insertions, 0 deletions
diff --git a/src/VBox/Runtime/testcase/tstHandleTable.cpp b/src/VBox/Runtime/testcase/tstHandleTable.cpp new file mode 100644 index 00000000..abffb29e --- /dev/null +++ b/src/VBox/Runtime/testcase/tstHandleTable.cpp @@ -0,0 +1,552 @@ +/* $Id: tstHandleTable.cpp $ */ +/** @file + * IPRT Testcase - Handle Tables. + */ + +/* + * Copyright (C) 2008-2020 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. + * + * The contents of this file may alternatively be used under the terms + * of the Common Development and Distribution License Version 1.0 + * (CDDL) only, as it comes in the "COPYING.CDDL" file of the + * VirtualBox OSE distribution, in which case the provisions of the + * CDDL are applicable instead of those of the GPL. + * + * You may elect to license modified versions of this file under the + * terms and conditions of either the GPL or the CDDL or both. + */ + + +/********************************************************************************************************************************* +* Header Files * +*********************************************************************************************************************************/ +#include <iprt/handletable.h> +#include <iprt/stream.h> +#include <iprt/initterm.h> +#include <iprt/err.h> +#include <iprt/getopt.h> +#include <iprt/mem.h> +#include <iprt/alloca.h> +#include <iprt/thread.h> +#include <iprt/string.h> + + +/********************************************************************************************************************************* +* Global Variables * +*********************************************************************************************************************************/ +static unsigned g_cErrors; + +static DECLCALLBACK(void) tstHandleTableTest1Delete(RTHANDLETABLE hHandleTable, uint32_t h, void *pvObj, void *pvCtx, void *pvUser) +{ + uint32_t *pcCalls = (uint32_t *)pvUser; + (*pcCalls)++; + RT_NOREF_PV(hHandleTable); RT_NOREF_PV(h); RT_NOREF_PV(pvCtx); RT_NOREF_PV(pvObj); +} + +static DECLCALLBACK(int) tstHandleTableTest1Retain(RTHANDLETABLE hHandleTable, void *pvObj, void *pvCtx, void *pvUser) +{ + uint32_t *pcCalls = (uint32_t *)pvUser; + (*pcCalls)++; + RT_NOREF_PV(hHandleTable); RT_NOREF_PV(pvCtx); RT_NOREF_PV(pvObj); + return VINF_SUCCESS; +} + +static int tstHandleTableTest1(uint32_t uBase, uint32_t cMax, uint32_t cDelta, uint32_t cUnitsPerDot, bool fCallbacks, uint32_t fFlags) +{ + const char *pszWithCtx = fFlags & RTHANDLETABLE_FLAGS_CONTEXT ? "WithCtx" : ""; + uint32_t cRetainerCalls = 0; + int rc; + + RTPrintf("tstHandleTable: TESTING RTHandleTableCreateEx(, 0"); + if (fFlags & RTHANDLETABLE_FLAGS_LOCKED) RTPrintf(" | LOCKED"); + if (fFlags & RTHANDLETABLE_FLAGS_CONTEXT) RTPrintf(" | CONTEXT"); + RTPrintf(", %#x, %#x,,)...\n", uBase, cMax); + + RTHANDLETABLE hHT; + rc = RTHandleTableCreateEx(&hHT, fFlags, uBase, cMax, + fCallbacks ? tstHandleTableTest1Retain : NULL, + fCallbacks ? &cRetainerCalls : NULL); + if (RT_FAILURE(rc)) + { + RTPrintf("\ntstHandleTable: FAILURE - RTHandleTableCreateEx failed, %Rrc!\n", rc); + return 1; + } + + /* fill it */ + RTPrintf("tstHandleTable: TESTING RTHandleTableAlloc%s..", pszWithCtx); RTStrmFlush(g_pStdOut); + uint32_t i = uBase; + for (;; i++) + { + uint32_t h; + if (fFlags & RTHANDLETABLE_FLAGS_CONTEXT) + rc = RTHandleTableAllocWithCtx(hHT, (void *)((uintptr_t)&i + (uintptr_t)i * 4), NULL, &h); + else + rc = RTHandleTableAlloc(hHT, (void *)((uintptr_t)&i + (uintptr_t)i * 4), &h); + if (RT_SUCCESS(rc)) + { + if (h != i) + { + RTPrintf("\ntstHandleTable: FAILURE (%d) - h=%d, expected %d!\n", __LINE__, h, i); + g_cErrors++; + } + } + else if (rc == VERR_NO_MORE_HANDLES) + { + if (i < cMax) + { + RTPrintf("\ntstHandleTable: FAILURE (%d) - i=%d, expected > 65534!\n", __LINE__, i); + g_cErrors++; + } + break; + } + else + { + RTPrintf("\ntstHandleTable: FAILURE (%d) - i=%d, rc=%Rrc!\n", __LINE__, i, rc); + g_cErrors++; + } + if (!(i % cUnitsPerDot)) + { + RTPrintf("."); + RTStrmFlush(g_pStdOut); + } + } + uint32_t const c = i; + RTPrintf(" c=%#x\n", c); + if (fCallbacks && cRetainerCalls != 0) + { + RTPrintf("tstHandleTable: FAILURE (%d) - cRetainerCalls=%#x expected 0!\n", __LINE__, cRetainerCalls); + g_cErrors++; + } + + /* look up all the entries */ + RTPrintf("tstHandleTable: TESTING RTHandleTableLookup%s..", pszWithCtx); RTStrmFlush(g_pStdOut); + cRetainerCalls = 0; + for (i = uBase; i < c; i++) + { + void *pvExpect = (void *)((uintptr_t)&i + (uintptr_t)i * 4); + void *pvObj; + if (fFlags & RTHANDLETABLE_FLAGS_CONTEXT) + pvObj = RTHandleTableLookupWithCtx(hHT, i, NULL); + else + pvObj = RTHandleTableLookup(hHT, i); + if (!pvObj) + { + RTPrintf("\ntstHandleTable: FAILURE (%d) - i=%d, RTHandleTableLookup%s failed!\n", __LINE__, i, pszWithCtx); + g_cErrors++; + } + else if (pvObj != pvExpect) + { + RTPrintf("\ntstHandleTable: FAILURE (%d) - i=%d, pvObj=%p expected %p\n", __LINE__, i, pvObj, pvExpect); + g_cErrors++; + } + if (!(i % cUnitsPerDot)) + { + RTPrintf("."); + RTStrmFlush(g_pStdOut); + } + } + RTPrintf("\n"); + if (fCallbacks && cRetainerCalls != c - uBase) + { + RTPrintf("tstHandleTable: FAILURE (%d) - cRetainerCalls=%#x expected %#x!\n", __LINE__, cRetainerCalls, c - uBase); + g_cErrors++; + } + + /* remove all the entries (in order) */ + RTPrintf("tstHandleTable: TESTING RTHandleTableFree%s..", pszWithCtx); RTStrmFlush(g_pStdOut); + cRetainerCalls = 0; + for (i = uBase; i < c; i++) + { + void *pvExpect = (void *)((uintptr_t)&i + (uintptr_t)i * 4); + void *pvObj; + if (fFlags & RTHANDLETABLE_FLAGS_CONTEXT) + pvObj = RTHandleTableFreeWithCtx(hHT, i, NULL); + else + pvObj = RTHandleTableFree(hHT, i); + if (!pvObj) + { + RTPrintf("\ntstHandleTable: FAILURE (%d) - i=%d, RTHandleTableLookup%s failed!\n", __LINE__, i, pszWithCtx); + g_cErrors++; + } + else if (pvObj != pvExpect) + { + RTPrintf("\ntstHandleTable: FAILURE (%d) - i=%d, pvObj=%p expected %p\n", __LINE__, i, pvObj, pvExpect); + g_cErrors++; + } + else if ( fFlags & RTHANDLETABLE_FLAGS_CONTEXT + ? RTHandleTableLookupWithCtx(hHT, i, NULL) + : RTHandleTableLookup(hHT, i)) + { + RTPrintf("\ntstHandleTable: FAILURE (%d) - i=%d, RTHandleTableLookup%s succeeded after free!\n", __LINE__, i, pszWithCtx); + g_cErrors++; + } + if (!(i % cUnitsPerDot)) + { + RTPrintf("."); + RTStrmFlush(g_pStdOut); + } + } + RTPrintf("\n"); + if (fCallbacks && cRetainerCalls != c - uBase) + { + RTPrintf("tstHandleTable: FAILURE (%d) - cRetainerCalls=%#x expected %#x!\n", __LINE__, cRetainerCalls, c - uBase); + g_cErrors++; + } + + /* do a mix of alloc, lookup and free where there is a constant of cDelta handles in the table. */ + RTPrintf("tstHandleTable: TESTING Alloc,Lookup,Free mix [cDelta=%#x]..", cDelta); RTStrmFlush(g_pStdOut); + for (i = uBase; i < c * 2; i++) + { + /* alloc */ + uint32_t hExpect = ((i - uBase) % (c - uBase)) + uBase; + uint32_t h; + if (fFlags & RTHANDLETABLE_FLAGS_CONTEXT) + rc = RTHandleTableAllocWithCtx(hHT, (void *)((uintptr_t)&i + (uintptr_t)hExpect * 4), NULL, &h); + else + rc = RTHandleTableAlloc(hHT, (void *)((uintptr_t)&i + (uintptr_t)hExpect * 4), &h); + if (RT_FAILURE(rc)) + { + RTPrintf("\ntstHandleTable: FAILURE (%d) - i=%d, RTHandleTableAlloc%s: rc=%Rrc!\n", __LINE__, i, pszWithCtx, rc); + g_cErrors++; + } + else if (h != hExpect) + { + RTPrintf("\ntstHandleTable: FAILURE (%d) - i=%d, RTHandleTableAlloc%s: h=%u hExpect=%u! - abort sub-test\n", __LINE__, i, pszWithCtx, h, hExpect); + g_cErrors++; + break; + } + + if (i >= cDelta + uBase) + { + /* lookup */ + for (uint32_t j = i - cDelta; j <= i; j++) + { + uint32_t hLookup = ((j - uBase) % (c - uBase)) + uBase; + void *pvExpect = (void *)((uintptr_t)&i + (uintptr_t)hLookup * 4); + void *pvObj; + if (fFlags & RTHANDLETABLE_FLAGS_CONTEXT) + pvObj = RTHandleTableLookupWithCtx(hHT, hLookup, NULL); + else + pvObj = RTHandleTableLookup(hHT, hLookup); + if (pvObj != pvExpect) + { + RTPrintf("\ntstHandleTable: FAILURE (%d) - i=%d, j=%d, RTHandleTableLookup%s(,%u,): pvObj=%p expected %p!\n", + __LINE__, i, j, pszWithCtx, hLookup, pvObj, pvExpect); + g_cErrors++; + } + else if ( (fFlags & RTHANDLETABLE_FLAGS_CONTEXT) + && RTHandleTableLookupWithCtx(hHT, hLookup, &i)) + { + RTPrintf("\ntstHandleTable: FAILURE (%d) - i=%d, j=%d, RTHandleTableLookupWithCtx: succeeded with bad context\n", + __LINE__, i, j); + g_cErrors++; + } + } + + /* free */ + uint32_t hFree = ((i - uBase - cDelta) % (c - uBase)) + uBase; + void *pvExpect = (void *)((uintptr_t)&i + (uintptr_t)hFree * 4); + void *pvObj; + if (fFlags & RTHANDLETABLE_FLAGS_CONTEXT) + pvObj = RTHandleTableFreeWithCtx(hHT, hFree, NULL); + else + pvObj = RTHandleTableFree(hHT, hFree); + if (pvObj != pvExpect) + { + RTPrintf("\ntstHandleTable: FAILURE (%d) - i=%d, RTHandleTableFree%s: pvObj=%p expected %p!\n", + __LINE__, i, pszWithCtx, pvObj, pvExpect); + g_cErrors++; + } + else if (fFlags & RTHANDLETABLE_FLAGS_CONTEXT + ? RTHandleTableLookupWithCtx(hHT, hFree, NULL) + || RTHandleTableFreeWithCtx(hHT, hFree, NULL) + : RTHandleTableLookup(hHT, hFree) + || RTHandleTableFree(hHT, hFree)) + { + RTPrintf("\ntstHandleTable: FAILURE (%d) - i=%d, RTHandleTableLookup/Free%s: succeeded after free\n", + __LINE__, i, pszWithCtx); + g_cErrors++; + } + } + if (!(i % (cUnitsPerDot * 2))) + { + RTPrintf("."); + RTStrmFlush(g_pStdOut); + } + } + RTPrintf("\n"); + + /* finally, destroy the table (note that there are 128 entries in it). */ + cRetainerCalls = 0; + uint32_t cDeleteCalls = 0; + rc = RTHandleTableDestroy(hHT, + fCallbacks ? tstHandleTableTest1Delete : NULL, + fCallbacks ? &cDeleteCalls : NULL); + if (RT_FAILURE(rc)) + { + RTPrintf("tstHandleTable: FAILURE (%d) - RTHandleTableDestroy failed, %Rrc!\n", __LINE__, rc); + g_cErrors++; + } + + return 0; +} + + +typedef struct TSTHTTEST2ARGS +{ + /** The handle table. */ + RTHANDLETABLE hHT; + /** The thread handle. */ + RTTHREAD hThread; + /** Thread index. */ + uint32_t iThread; + /** the max number of handles the thread should allocate. */ + uint32_t cMax; +} TSTHTTEST2ARGS, *PTSTHTTEST2ARGS; + + +static DECLCALLBACK(int) tstHandleTableTest2Thread(RTTHREAD hThread, void *pvUser) +{ + RTHANDLETABLE const hHT = ((PTSTHTTEST2ARGS)pvUser)->hHT; + uint32_t const iThread = ((PTSTHTTEST2ARGS)pvUser)->iThread; + uint32_t const cMax = ((PTSTHTTEST2ARGS)pvUser)->cMax; + uint32_t *pah = (uint32_t *)RTMemAllocZ(sizeof(uint32_t) * cMax); + if (!pah) + { + RTPrintf("tstHandleTable: FAILURE (%d) - failed to allocate %zu bytes\n", __LINE__, sizeof(uint32_t) * cMax); + return VERR_NO_MEMORY; + } + + /* + * Allocate our quota. + */ + for (uint32_t i = 0; i < cMax; i++) + { + int rc = RTHandleTableAllocWithCtx(hHT, pvUser, hThread, &pah[i]); + if (RT_FAILURE(rc)) + { + RTPrintf("tstHandleTable: FAILURE (%d) - t=%d i=%d: RTHandleTableAllocWithCtx failed, rc=%Rrc\n", + __LINE__, iThread, i, rc); + return rc; + } + } + + /* + * Look them up. + */ + for (uint32_t i = 0; i < cMax; i++) + { + void *pvObj = RTHandleTableLookupWithCtx(hHT, pah[i], hThread); + if (pvObj != pvUser) + { + RTPrintf("tstHandleTable: FAILURE (%d) - t=%d i=%d: RTHandleTableLookupWithCtx failed, pvObj=%p\n", + __LINE__, iThread, i, pvObj); + return VERR_INTERNAL_ERROR; + } + } + + /* + * Free them all. + */ + for (uint32_t i = 0; i < cMax; i++) + { + void *pvObj = RTHandleTableFreeWithCtx(hHT, pah[i], hThread); + if (pvObj != pvUser) + { + RTPrintf("tstHandleTable: FAILURE (%d) - t=%d i=%d: RTHandleTableFreeWithCtx failed, pvObj=%p\n", + __LINE__, iThread, i, pvObj); + return VERR_INTERNAL_ERROR; + } + } + + RTMemFree(pah); + return VINF_SUCCESS; +} + +static int tstHandleTableTest2(uint32_t uBase, uint32_t cMax, uint32_t cThreads) +{ + /* + * Create the table. + */ + RTPrintf("tstHandleTable: TESTING %u threads: uBase=%u, cMax=%u\n", cThreads, uBase, cMax); + RTHANDLETABLE hHT; + int rc = RTHandleTableCreateEx(&hHT, RTHANDLETABLE_FLAGS_LOCKED | RTHANDLETABLE_FLAGS_CONTEXT, uBase, cMax, NULL, NULL); + if (RT_FAILURE(rc)) + { + RTPrintf("tstHandleTable: FAILURE - RTHandleTableCreateEx failed, %Rrc!\n", rc); + return 1; + } + /// @todo there must be a race somewhere in the thread code, I keep hitting a duplicate insert id here... + // Or perhaps it just barcelona B2 bugs? + RTThreadSleep(50); + + /* + * Spawn the threads. + */ + PTSTHTTEST2ARGS paThread = (PTSTHTTEST2ARGS)alloca(sizeof(*paThread) * cThreads); + for (uint32_t i = 0; i < cThreads; i++) + { + paThread[i].hHT = hHT; + paThread[i].hThread = NIL_RTTHREAD; + paThread[i].iThread = i; + paThread[i].cMax = cMax / cThreads; + } + for (uint32_t i = 0; i < cThreads; i++) + { + char szName[32]; + RTStrPrintf(szName, sizeof(szName), "TEST2-%x/%x", i, cMax); + rc = RTThreadCreate(&paThread[i].hThread, tstHandleTableTest2Thread, &paThread[i], 0, RTTHREADTYPE_DEFAULT, RTTHREADFLAGS_WAITABLE, szName); + if (RT_FAILURE(rc)) + { + RTPrintf("tstHandleTable: FAILURE - RTThreadCreate failed, %Rrc!\n", rc); + g_cErrors++; + break; + } + } + + /* + * Wait for them to complete. + */ + uint32_t cRunning = cThreads; + do /** @todo Remove when RTSemEventWait (linux) has been fixed. */ + { + if (cRunning != cThreads) + RTThreadSleep(10); + cRunning = 0; + for (uint32_t i = 0; i < cThreads; i++) + if (paThread[i].hThread != NIL_RTTHREAD) + { + rc = RTThreadWait(paThread[i].hThread, RT_INDEFINITE_WAIT, NULL); + if (RT_SUCCESS(rc)) + paThread[i].hThread = NIL_RTTHREAD; + else + cRunning++; + } + } while (cRunning); + + /* + * Destroy the handle table. + */ + rc = RTHandleTableDestroy(hHT, NULL, NULL); + if (RT_FAILURE(rc)) + { + RTPrintf("tstHandleTable: FAILURE (%d) - RTHandleTableDestroy failed, %Rrc!\n", __LINE__, rc); + g_cErrors++; + } + + return 0; +} + + +int main(int argc, char **argv) +{ + /* + * Init the runtime and parse the arguments. + */ + RTR3InitExe(argc, &argv, 0); + + static RTGETOPTDEF const s_aOptions[] = + { + { "--base", 'b', RTGETOPT_REQ_UINT32 }, + { "--max", 'm', RTGETOPT_REQ_UINT32 }, + { "--threads", 't', RTGETOPT_REQ_UINT32 }, + }; + + uint32_t uBase = 0; + uint32_t cMax = 0; + uint32_t cThreads = 0; + + int ch; + RTGETOPTUNION Value; + RTGETOPTSTATE GetState; + RTGetOptInit(&GetState, argc, argv, &s_aOptions[0], RT_ELEMENTS(s_aOptions), 1, 0 /* fFlags */); + while ((ch = RTGetOpt(&GetState, &Value))) + switch (ch) + { + case 'b': + uBase = Value.u32; + break; + + case 'm': + cMax = Value.u32; + break; + + case 't': + cThreads = Value.u32; + if (!cThreads) + cThreads = 1; + break; + + case 'h': + RTPrintf("syntax: tstHandleTable [-b <base>] [-m <max>] [-t <threads>]\n"); + return 1; + + case 'V': + RTPrintf("$Revision: 135976 $\n"); + return 0; + + default: + return RTGetOptPrintError(ch, &Value); + } + + /* + * If any argument was specified, run the requested test setup. + * Otherwise run a bunch of default tests. + */ + if (cThreads || cMax || uBase) + { + if (!cMax) + cMax = 65535; + if (!cThreads) + tstHandleTableTest1(uBase, cMax, 128, cMax / 32, false, RTHANDLETABLE_FLAGS_CONTEXT | RTHANDLETABLE_FLAGS_LOCKED); + else + tstHandleTableTest2(uBase, cMax, 128); + } + else + { + /* + * Do a simple warmup / smoke test first. + */ + tstHandleTableTest1(1, 65534, 128, 2048, false, 0); + tstHandleTableTest1(1, 65534, 128, 2048, false, RTHANDLETABLE_FLAGS_CONTEXT); + tstHandleTableTest1(1, 65534, 63, 2048, false, RTHANDLETABLE_FLAGS_LOCKED); + tstHandleTableTest1(1, 65534, 63, 2048, false, RTHANDLETABLE_FLAGS_CONTEXT | RTHANDLETABLE_FLAGS_LOCKED); + /* Test that the retain and delete functions work. */ + tstHandleTableTest1(1, 1024, 256, 256, true, RTHANDLETABLE_FLAGS_LOCKED); + tstHandleTableTest1(1, 1024, 256, 256, true, RTHANDLETABLE_FLAGS_CONTEXT | RTHANDLETABLE_FLAGS_LOCKED); + /* check that the base works. */ + tstHandleTableTest1(0x7ffff000, 65534, 4, 2048, false, RTHANDLETABLE_FLAGS_CONTEXT | RTHANDLETABLE_FLAGS_LOCKED); + tstHandleTableTest1(0xeffff000, 65534, 4, 2048, false, RTHANDLETABLE_FLAGS_CONTEXT | RTHANDLETABLE_FLAGS_LOCKED); + tstHandleTableTest1(0, 4097, 4, 256, false, RTHANDLETABLE_FLAGS_CONTEXT | RTHANDLETABLE_FLAGS_LOCKED); + tstHandleTableTest1(0, 1024, 4, 128, false, RTHANDLETABLE_FLAGS_CONTEXT | RTHANDLETABLE_FLAGS_LOCKED); + /* For testing 1st level expansion / reallocation. */ + tstHandleTableTest1(1, 1024*1024*8, 3, 150000, false, 0); + tstHandleTableTest1(1, 1024*1024*8, 3, 150000, false, RTHANDLETABLE_FLAGS_CONTEXT); + + /* + * Threaded tests. + */ + tstHandleTableTest2(0x80000000, 32768, 2); + tstHandleTableTest2(0x00010000, 2048, 4); + tstHandleTableTest2(0x00010000, 3072, 8); + tstHandleTableTest2(0x00000000, 1024*1024*8, 3); + } + + /* + * Summary. + */ + if (!g_cErrors) + RTPrintf("tstHandleTable: SUCCESS\n"); + else + RTPrintf("tstHandleTable: FAILURE - %d errors\n", g_cErrors); + + return !!g_cErrors; +} |