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printSchemaFile.cpp
Package: mysql-4.1.16-win-src.zip [view]
Upload User: romrleung
Upload Date: 2022-05-23
Package Size: 18897k
Code Size: 3k
Category:
MySQL
Development Platform:
Visual C++
- /* Copyright (C) 2003 MySQL AB
- 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; either version 2 of the License, or
- (at your option) any later version.
- 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., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA */
- #include <ndb_global.h>
- #include <NdbMain.h>
- #include <NdbOut.hpp>
- #include <SchemaFile.hpp>
- void
- usage(const char * prg){
- ndbout << "Usage " << prg
- << " P0.SchemaLog" << endl;
- }
- void
- fill(const char * buf, int mod){
- int len = strlen(buf)+1;
- ndbout << buf << " ";
- while((len % mod) != 0){
- ndbout << " ";
- len++;
- }
- }
- void
- print(const char * filename, const SchemaFile * file){
- ndbout << "----- Schemafile: " << filename << " -----" << endl;
- ndbout_c("Magic: %.*s ByteOrder: %.8x NdbVersion: %d FileSize: %d",
- sizeof(file->Magic), file->Magic,
- file->ByteOrder,
- file->NdbVersion,
- file->FileSize);
- for(Uint32 i = 0; i<file->NoOfTableEntries; i++){
- SchemaFile::TableEntry te = file->TableEntries[i];
- if(te.m_tableState != SchemaFile::INIT){
- ndbout << "Table " << i << ": State = " << te.m_tableState
- << " version = " << te.m_tableVersion
- << " type = " << te.m_tableType
- << " noOfPages = " << te.m_noOfPages
- << " gcp: " << te.m_gcp << endl;
- }
- }
- }
- NDB_COMMAND(printSchemafile,
- "printSchemafile", "printSchemafile", "Prints a schemafile", 16384){
- if(argc < 2){
- usage(argv[0]);
- return 0;
- }
- const char * filename = argv[1];
- struct stat sbuf;
- const int res = stat(filename, &sbuf);
- if(res != 0){
- ndbout << "Could not find file: "" << filename << """ << endl;
- return 0;
- }
- const Uint32 bytes = sbuf.st_size;
- Uint32 * buf = new Uint32[bytes/4+1];
- FILE * f = fopen(filename, "rb");
- if(f == 0){
- ndbout << "Failed to open file" << endl;
- delete [] buf;
- return 0;
- }
- Uint32 sz = fread(buf, 1, bytes, f);
- fclose(f);
- if(sz != bytes){
- ndbout << "Failure while reading file" << endl;
- delete [] buf;
- return 0;
- }
- print(filename, (SchemaFile *)&buf[0]);
- Uint32 chk = 0, i;
- for (i = 0; i < bytes/4; i++)
- chk ^= buf[i];
- if (chk != 0)
- ndbout << "Invalid checksum!" << endl;
- delete [] buf;
- return 0;
- }