1 files changed, 103 insertions, 0 deletions
diff --git a/cpp/src/tests/datagen.cpp b/cpp/src/tests/datagen.cpp
new file mode 100644
index 0000000000..acbc07d63c
--- /dev/null
+++ b/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;
+    }
+}