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Diffstat (limited to 'qpid/cpp/src/tests/datagen.cpp')
-rw-r--r-- | qpid/cpp/src/tests/datagen.cpp | 103 |
1 files changed, 103 insertions, 0 deletions
diff --git a/qpid/cpp/src/tests/datagen.cpp b/qpid/cpp/src/tests/datagen.cpp new file mode 100644 index 0000000000..acbc07d63c --- /dev/null +++ b/qpid/cpp/src/tests/datagen.cpp @@ -0,0 +1,103 @@ +/* + * + * Licensed to the Apache Software Foundation (ASF) under one + * or more contributor license agreements. See the NOTICE file + * distributed with this work for additional information + * regarding copyright ownership. The ASF licenses this file + * to you 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 <exception> +#include <iostream> +#include <stdlib.h> +#include <time.h> +#include "qpid/Options.h" + +namespace qpid { +namespace tests { + +struct Args : public qpid::Options +{ + uint count; + uint minSize; + uint maxSize; + uint minChar; + uint maxChar; + bool help; + + Args() : qpid::Options("Random data generator"), + count(1), minSize(8), maxSize(4096), + minChar(32), maxChar(126),//safely printable ascii chars + help(false) + { + addOptions() + ("count", qpid::optValue(count, "N"), "number of data strings to generate") + ("min-size", qpid::optValue(minSize, "N"), "minimum size of data string") + ("max-size", qpid::optValue(maxSize, "N"), "maximum size of data string") + ("min-char", qpid::optValue(minChar, "N"), "minimum char value used in data string") + ("max-char", qpid::optValue(maxChar, "N"), "maximum char value used in data string") + ("help", qpid::optValue(help), "print this usage statement"); + } + + bool parse(int argc, char** argv) { + try { + qpid::Options::parse(argc, argv); + if (maxSize < minSize) throw qpid::Options::Exception("max-size must be greater than min-size"); + if (maxChar < minChar) throw qpid::Options::Exception("max-char must be greater than min-char"); + + if (help) { + std::cerr << *this << std::endl << std::endl; + } else { + return true; + } + } catch (const std::exception& e) { + std::cerr << *this << std::endl << std::endl << e.what() << std::endl; + } + return false; + } + +}; + +uint random(uint min, uint max) +{ + return (rand() % (max-min+1)) + min; +} + +std::string generateData(uint size, uint min, uint max) +{ + std::string data; + for (uint i = 0; i < size; i++) { + data += (char) random(min, max); + } + return data; +} + +}} // namespace qpid::tests + +using namespace qpid::tests; + +int main(int argc, char** argv) +{ + Args opts; + if (opts.parse(argc, argv)) { + srand(time(0)); + for (uint i = 0; i < opts.count; i++) { + std::cout << generateData(random(opts.minSize, opts.maxSize), opts.minChar, opts.maxChar) << std::endl; + } + return 0; + } else { + return 1; + } +} |