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MySQL 5.1: mysql/src/5.1-dbg/storage/ndb/src/common/util/testSimpleProperties/sp_test.cpp Source File
mysql/src/5.1-dbg/storage/ndb/src/common/util/testSimpleProperties/sp_test.cpp

00001 /* Copyright (C) 2003 MySQL AB
00002 
00003    This program is free software; you can redistribute it and/or modify
00004    it under the terms of the GNU General Public License as published by
00005    the Free Software Foundation; either version 2 of the License, or
00006    (at your option) any later version.
00007 
00008    This program is distributed in the hope that it will be useful,
00009    but WITHOUT ANY WARRANTY; without even the implied warranty of
00010    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
00011    GNU General Public License for more details.
00012 
00013    You should have received a copy of the GNU General Public License
00014    along with this program; if not, write to the Free Software
00015    Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA */
00016 
00017 #include <ndb_global.h>
00018 
00019 #include "SimpleProperties.hpp"
00020 #include <NdbOut.hpp>
00021 
00022 Uint32 page[8192];
00023 
00024 int writer();
00025 int reader(Uint32 *, Uint32 len);
00026 int unpack(Uint32 *, Uint32 len);
00027 
00028 int main(){ 
00029   int len = writer();
00030   reader(page, len);
00031   unpack(page, len);
00032   
00033   return 0; 
00034 }
00035 
00036 int
00037 writer(){
00038   LinearWriter w(&page[0], 8192);
00039   
00040   w.first();
00041   w.add(1, 2);
00042   w.add(7, 3);
00043   w.add(3, "jonas");
00044   w.add(5, "0123456789");
00045   w.add(7, 4);
00046   w.add(3, "e cool");
00047   w.add(5, "9876543210");
00048   
00049   ndbout_c("WordsUsed = %d", w.getWordsUsed());
00050   
00051   return w.getWordsUsed();
00052 }
00053 
00054 int 
00055 reader(Uint32 * pages, Uint32 len){
00056   SimplePropertiesLinearReader it(pages, len);
00057   
00058   it.printAll(ndbout);
00059   return 0;
00060 }
00061 
00062 struct Test {
00063   Uint32 val1;
00064   Uint32 val7;
00065   char val3[100];
00066   Test() : val1(0xFFFFFFFF), val7(0xFFFFFFFF) { sprintf(val3, "bad");}
00067 };
00068 
00069 static const
00070 SimpleProperties::SP2StructMapping
00071 test_map [] = {
00072   { 1, offsetof(Test, val1), SimpleProperties::Uint32Value, 0, ~0 },
00073   { 7, offsetof(Test, val7), SimpleProperties::Uint32Value, 0, ~0 },
00074   { 3, offsetof(Test, val3), SimpleProperties::StringValue, 0, sizeof(100) },
00075   { 5,                    0, SimpleProperties::InvalidValue, 0, 0 }
00076 };
00077 
00078 static unsigned
00079 test_map_sz = sizeof(test_map)/sizeof(test_map[0]);
00080 
00081 int 
00082 unpack(Uint32 * pages, Uint32 len){
00083   Test test;
00084   SimplePropertiesLinearReader it(pages, len);
00085   SimpleProperties::UnpackStatus status;
00086   while((status = SimpleProperties::unpack(it, &test, test_map, test_map_sz, 
00087                                            true, false)) == SimpleProperties::Break){
00088     ndbout << "test.val1 = " << test.val1 << endl;
00089     ndbout << "test.val7 = " << test.val7 << endl;
00090     ndbout << "test.val3 = " << test.val3 << endl;
00091     it.next();
00092   }
00093   assert(status == SimpleProperties::Eof);
00094   return 0;
00095 }
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