80 lines
2.6 KiB
C++
80 lines
2.6 KiB
C++
/*
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* TesterBlobGranuleUtil.cpp
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*
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* This source file is part of the FoundationDB open source project
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*
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* Copyright 2013-2022 Apple Inc. and the FoundationDB project authors
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#include "TesterBlobGranuleUtil.h"
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#include "TesterUtil.h"
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#include <fstream>
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namespace FdbApiTester {
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// FIXME: avoid duplicating this between files!
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static int64_t granule_start_load(const char* filename,
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int filenameLength,
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int64_t offset,
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int64_t length,
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int64_t fullFileLength,
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void* context) {
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TesterGranuleContext* ctx = (TesterGranuleContext*)context;
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int64_t loadId = ctx->nextId++;
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uint8_t* buffer = new uint8_t[length];
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std::ifstream fin(ctx->basePath + std::string(filename, filenameLength), std::ios::in | std::ios::binary);
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if (fin.fail()) {
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delete[] buffer;
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buffer = nullptr;
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} else {
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fin.seekg(offset);
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fin.read((char*)buffer, length);
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}
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ctx->loadsInProgress.insert({ loadId, buffer });
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return loadId;
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}
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static uint8_t* granule_get_load(int64_t loadId, void* context) {
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TesterGranuleContext* ctx = (TesterGranuleContext*)context;
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return ctx->loadsInProgress.at(loadId);
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}
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static void granule_free_load(int64_t loadId, void* context) {
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TesterGranuleContext* ctx = (TesterGranuleContext*)context;
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auto it = ctx->loadsInProgress.find(loadId);
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uint8_t* dataToFree = it->second;
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delete[] dataToFree;
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ctx->loadsInProgress.erase(it);
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}
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fdb::native::FDBReadBlobGranuleContext createGranuleContext(const TesterGranuleContext* testerContext) {
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fdb::native::FDBReadBlobGranuleContext granuleContext;
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granuleContext.userContext = (void*)testerContext;
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granuleContext.debugNoMaterialize = false;
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granuleContext.granuleParallelism = 1 + Random::get().randomInt(0, 3);
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granuleContext.start_load_f = &granule_start_load;
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granuleContext.get_load_f = &granule_get_load;
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granuleContext.free_load_f = &granule_free_load;
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return granuleContext;
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}
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} // namespace FdbApiTester
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