the begginning

tools/fixdate/fixdate.cpp

@@ -0,0 +1,167 @@
+/* Copyright (C) 2014 InfiniDB, Inc.
+
+   This program is free software; you can redistribute it and/or
+   modify it under the terms of the GNU General Public License
+   as published by the Free Software Foundation; version 2 of
+   the License.
+
+   This program is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+   GNU General Public License for more details.
+
+   You should have received a copy of the GNU General Public License
+   along with this program; if not, write to the Free Software
+   Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
+   MA 02110-1301, USA. */
+
+/*
+* $Id: fixdate.cpp 2101 2013-01-21 14:12:52Z rdempsey $
+*
+*/
+
+#include <iostream>
+#include <fstream>
+#include <cassert>
+#include <vector>
+#include <algorithm>
+#include <iterator>
+using namespace std;
+
+#include <unistd.h>
+
+#include <boost/format.hpp>
+#include <boost/scoped_array.hpp>
+using namespace boost;
+
+#include "bytestream.h"
+using namespace messageqcpp;
+
+#include "dmlpackageprocessor.h"
+using namespace dmlpackageprocessor;
+
+namespace {
+
+const streamsize blkSz = 8192;
+
+void usage()
+{
+}
+
+u_int64_t fixDate(ByteStream& bs, ostream& out)
+{
+	ByteStream fixed;
+	ByteStream::quadbyte o;
+	u_int64_t cnt = 0;
+#if 0
+	DMLPackageProcessor::Date minDate;
+	DMLPackageProcessor::Date maxDate;
+	minDate.year = 1992;
+	minDate.month = 1;
+	minDate.day = 2;
+	maxDate.year = 1998;
+	maxDate.month = 12;
+	maxDate.day = 25;
+	ByteStream::quadbyte mxd;
+	ByteStream::quadbyte mnd;
+	mxd = *(reinterpret_cast<ByteStream::quadbyte*>(&maxDate));
+	mnd = *(reinterpret_cast<ByteStream::quadbyte*>(&minDate));
+#endif
+	DMLPackageProcessor::Date fixDate;
+	fixDate.spare = 0;
+	ByteStream::quadbyte f;
+	while (bs.length() > 0)
+	{
+		bs >> o;
+		if (o >= 0xfffffffe)
+		{
+			fixed << o;
+			continue;
+		}
+		f = o & 0xffff;
+		fixDate.year = f;
+		o >>= 16;
+		f = o & 0xf;
+		fixDate.month = f;
+		o >>= 4;
+		f = o & 0x3f;
+		fixDate.day = f;
+		//o >>= 6;
+		o = *(reinterpret_cast<ByteStream::quadbyte*>(&fixDate));
+		fixed << o;
+#if 0
+		cout << DMLPackageProcessor::dateToString(o) << endl;
+		idbassert(o >= mnd && o <= mxd);
+		cnt++;
+#endif
+	}
+	out << fixed;
+	return cnt;
+}
+
+}
+
+int main(int argc, char* argv[])
+{
+	int c;
+
+	opterr = 0;
+
+	while ((c = getopt(argc, argv, "h")) != EOF)
+		switch (c)
+		{
+		case 'h':
+			usage();
+			return 0;
+			break;
+		default:
+			usage();
+			return 1;
+			break;
+		}
+
+	if ((argc - optind) < 1)
+	{
+		usage();
+		return 1;
+	}
+
+	ByteStream bs;
+
+	ifstream ifs(argv[optind + 0]);
+	ByteStream::byte inbuf[blkSz];
+	streampos fLen;
+	u_int64_t blkNo = 0;
+
+	ifs.seekg(0, ios_base::end);
+	fLen = ifs.tellg();
+	ifs.seekg(0, ios_base::beg);
+
+	idbassert((fLen % blkSz) == 0);
+	u_int64_t numBlks = fLen / blkSz;
+	cout << numBlks << " blocks to fix..." << endl;
+
+	ofstream ofs("fixdate.cdf");
+
+	cout << "pct done:    " << setw(3);
+
+	for(;;)
+	{
+
+		ifs.read(reinterpret_cast<char*>(inbuf), blkSz);
+		if (ifs.eof()) break;
+		bs.load(inbuf, blkSz);
+
+		fixDate(bs, ofs);
+		cout << "\b\b\b" << setw(3) << (u_int64_t)(blkNo * 100 / numBlks);
+		//cout << setw(3) << (u_int64_t)(blkNo * 100 / numBlks) << endl;
+
+		blkNo++;
+	}
+
+	cout << "\b\b\b" << setw(3) << 100 << endl;
+	//cout << setw(3) << 100 << endl;
+
+	return 0;
+}
+