add first simple benchmark reader (it simply spews random data, amount of lines specified in source).

src/input/readers/Benchmark.h

@@ -0,0 +1,47 @@
+// See the file "COPYING" in the main distribution directory for copyright.
+
+#ifndef INPUT_READERS_BENCHMARK_H
+#define INPUT_READERS_BENCHMARK_H
+
+
+#include "../ReaderBackend.h"
+
+namespace input { namespace reader {
+
+class Benchmark : public ReaderBackend {
+public:
+    Benchmark(ReaderFrontend* frontend);
+    ~Benchmark();
+    
+    static ReaderBackend* Instantiate(ReaderFrontend* frontend) { return new Benchmark(frontend); }
+    
+protected:
+	
+	virtual bool DoInit(string path, int mode, int arg_num_fields, const threading::Field* const* fields);
+
+	virtual void DoFinish();
+
+	virtual bool DoUpdate();
+
+private:
+
+	virtual bool DoHeartbeat(double network_time, double current_time);
+
+	unsigned int num_fields;
+
+	const threading::Field* const * fields; // raw mapping		
+	
+	threading::Value* EntryToVal(TypeTag Type, TypeTag subtype);
+
+	int mode;
+	int num_lines;
+
+	string RandomString(const int len);
+
+};
+
+
+}
+}
+
+#endif /* INPUT_READERS_BENCHMARK_H */