should be it

external/duckdb/third_party/tpce-tool/include/main/progressmeter.h

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+/*
+ * Legal Notice
+ *
+ * This document and associated source code (the "Work") is a part of a
+ * benchmark specification maintained by the TPC.
+ *
+ * The TPC reserves all right, title, and interest to the Work as provided
+ * under U.S. and international laws, including without limitation all patent
+ * and trademark rights therein.
+ *
+ * No Warranty
+ *
+ * 1.1 TO THE MAXIMUM EXTENT PERMITTED BY APPLICABLE LAW, THE INFORMATION
+ *     CONTAINED HEREIN IS PROVIDED "AS IS" AND WITH ALL FAULTS, AND THE
+ *     AUTHORS AND DEVELOPERS OF THE WORK HEREBY DISCLAIM ALL OTHER
+ *     WARRANTIES AND CONDITIONS, EITHER EXPRESS, IMPLIED OR STATUTORY,
+ *     INCLUDING, BUT NOT LIMITED TO, ANY (IF ANY) IMPLIED WARRANTIES,
+ *     DUTIES OR CONDITIONS OF MERCHANTABILITY, OF FITNESS FOR A PARTICULAR
+ *     PURPOSE, OF ACCURACY OR COMPLETENESS OF RESPONSES, OF RESULTS, OF
+ *     WORKMANLIKE EFFORT, OF LACK OF VIRUSES, AND OF LACK OF NEGLIGENCE.
+ *     ALSO, THERE IS NO WARRANTY OR CONDITION OF TITLE, QUIET ENJOYMENT,
+ *     QUIET POSSESSION, CORRESPONDENCE TO DESCRIPTION OR NON-INFRINGEMENT
+ *     WITH REGARD TO THE WORK.
+ * 1.2 IN NO EVENT WILL ANY AUTHOR OR DEVELOPER OF THE WORK BE LIABLE TO
+ *     ANY OTHER PARTY FOR ANY DAMAGES, INCLUDING BUT NOT LIMITED TO THE
+ *     COST OF PROCURING SUBSTITUTE GOODS OR SERVICES, LOST PROFITS, LOSS
+ *     OF USE, LOSS OF DATA, OR ANY INCIDENTAL, CONSEQUENTIAL, DIRECT,
+ *     INDIRECT, OR SPECIAL DAMAGES WHETHER UNDER CONTRACT, TORT, WARRANTY,
+ *     OR OTHERWISE, ARISING IN ANY WAY OUT OF THIS OR ANY OTHER AGREEMENT
+ *     RELATING TO THE WORK, WHETHER OR NOT SUCH AUTHOR OR DEVELOPER HAD
+ *     ADVANCE NOTICE OF THE POSSIBILITY OF SUCH DAMAGES.
+ *
+ * Contributors
+ * - Christopher Chan-Nui
+ */
+
+/*
+ * Simple class to display the progress of long running job to the console.
+ */
+
+#ifndef PROGRESSMETER_H_INCLUDED
+#define PROGRESSMETER_H_INCLUDED
+
+#include <iostream>
+
+#include "utilities/DateTime.h"
+#include "progressmeterinterface.h"
+#include "utilities/locking.h"
+
+namespace TPCE {
+
+class ProgressMeter : public ProgressMeterInterface {
+private:
+	int m_total;
+	int m_current;
+	int m_display_interval;
+	CDateTime m_start_time;
+	CDateTime m_last_time;
+	std::ostream *m_output;
+	int m_verbosity;
+	mutable CMutex m_mutex;
+
+public:
+	// total - The total number of tasks to complete before the job is done.
+	ProgressMeter(int total, int verbosity = 0, std::ostream *output = &std::cout);
+
+	// val - minimum number of seconds between automatic display updates
+	//       set to -1 to disable automatic displays
+	void set_display_interval(int val);
+	int display_interval() const;
+
+	// Displays the current progress and an estimated time to finish onto
+	// the provided output stream.
+	virtual void display() const;
+
+	// Displays a progress message to the specified output stream
+	//
+	// output - output stream to display progress to
+	virtual void display_message(std::ostream &out) const;
+
+	// Notifies the progress meter that some tasks have been completed.  If
+	// there hasn't been a display update within display_interval seconds then
+	// an update will be emitted to the output stream.
+	//
+	// count  - number of tasks completed
+	// output - output stream to display progress to
+	void inc(int count = 1);
+
+	// Return current count
+	int current() const;
+
+	// Return total count
+	int total() const;
+
+	void lock() const;
+	void unlock() const;
+
+	// Output a message if it has the correct verbosity
+	//
+	// mesg   - message to display
+	// level  - verbosity level to display at
+	virtual void message(const std::string &mesg, int level = 0);
+};
+
+} // namespace TPCE
+
+#endif // PROGRESSMETER_H_INCLUDED