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server/src/shared/Database/SQLStorageImpl.h
Antz 12257a5bc2 Second set of Moves and Year update
2020-02-17 09:22:48 +00:00

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/**
* MaNGOS is a full featured server for World of Warcraft, supporting
* the following clients: 1.12.x, 2.4.3, 3.3.5a, 4.3.4a and 5.4.8
*
* Copyright (C) 2005-2015 MaNGOS project <http://getmangos.eu>
*
* 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
*
* World of Warcraft, and all World of Warcraft or Warcraft art, images,
* and lore are copyrighted by Blizzard Entertainment, Inc.
*/
#ifndef SQLSTORAGE_IMPL_H
#define SQLSTORAGE_IMPL_H
#include "ProgressBar.h"
#include "Log.h"
#include "DBCFileLoader.h"
template<class DerivedLoader, class StorageClass>
template<class S, class D> // S source-type, D destination-type
void SQLStorageLoaderBase<DerivedLoader, StorageClass>::convert(uint32 /*field_pos*/, S src, D& dst)
{
dst = D(src);
}
template<class DerivedLoader, class StorageClass>
void SQLStorageLoaderBase<DerivedLoader, StorageClass>::convert_str_to_str(uint32 /*field_pos*/, char const* src, char*& dst)
{
if (!src)
{
dst = new char[1];
*dst = 0;
}
else
{
uint32 l = strlen(src) + 1;
dst = new char[l];
memcpy(dst, src, l);
}
}
template<class DerivedLoader, class StorageClass>
template<class S> // S source-type
void SQLStorageLoaderBase<DerivedLoader, StorageClass>::convert_to_str(uint32 /*field_pos*/, S /*src*/, char*& dst)
{
dst = new char[1];
*dst = 0;
}
template<class DerivedLoader, class StorageClass>
template<class D> // D destination-type
void SQLStorageLoaderBase<DerivedLoader, StorageClass>::convert_from_str(uint32 /*field_pos*/, char const* /*src*/, D& dst)
{
dst = 0;
}
template<class DerivedLoader, class StorageClass>
template<class S, class D> // S source-type, D destination-type
void SQLStorageLoaderBase<DerivedLoader, StorageClass>::default_fill(uint32 /*field_pos*/, S src, D& dst)
{
dst = D(src);
}
template<class DerivedLoader, class StorageClass>
void SQLStorageLoaderBase<DerivedLoader, StorageClass>::default_fill_to_str(uint32 /*field_pos*/, char const* /*src*/, char*& dst)
{
dst = new char[1];
*dst = 0;
}
template<class DerivedLoader, class StorageClass>
template<class V> // V value-type
void SQLStorageLoaderBase<DerivedLoader, StorageClass>::storeValue(V value, StorageClass& store, char* p, uint32 x, uint32& offset)
{
DerivedLoader* subclass = (static_cast<DerivedLoader*>(this));
switch (store.GetDstFormat(x))
{
case FT_LOGIC:
subclass->convert(x, value, *((bool*)(&p[offset])));
offset += sizeof(bool);
break;
case FT_BYTE:
subclass->convert(x, value, *((char*)(&p[offset])));
offset += sizeof(char);
break;
case FT_INT:
subclass->convert(x, value, *((uint32*)(&p[offset])));
offset += sizeof(uint32);
break;
case FT_FLOAT:
subclass->convert(x, value, *((float*)(&p[offset])));
offset += sizeof(float);
break;
case FT_STRING:
subclass->convert_to_str(x, value, *((char**)(&p[offset])));
offset += sizeof(char*);
break;
case FT_NA:
subclass->default_fill(x, value, *((uint32*)(&p[offset])));
offset += sizeof(uint32);
break;
case FT_NA_BYTE:
subclass->default_fill(x, value, *((char*)(&p[offset])));
offset += sizeof(char);
break;
case FT_NA_FLOAT:
subclass->default_fill(x, value, *((float*)(&p[offset])));
offset += sizeof(float);
break;
case FT_IND:
case FT_SORT:
assert(false && "SQL storage not have sort field types");
break;
default:
assert(false && "unknown format character");
break;
}
}
template<class DerivedLoader, class StorageClass>
void SQLStorageLoaderBase<DerivedLoader, StorageClass>::storeValue(char const* value, StorageClass& store, char* p, uint32 x, uint32& offset)
{
DerivedLoader* subclass = (static_cast<DerivedLoader*>(this));
switch (store.GetDstFormat(x))
{
case FT_LOGIC:
subclass->convert_from_str(x, value, *((bool*)(&p[offset])));
offset += sizeof(bool);
break;
case FT_BYTE:
subclass->convert_from_str(x, value, *((char*)(&p[offset])));
offset += sizeof(char);
break;
case FT_INT:
subclass->convert_from_str(x, value, *((uint32*)(&p[offset])));
offset += sizeof(uint32);
break;
case FT_FLOAT:
subclass->convert_from_str(x, value, *((float*)(&p[offset])));
offset += sizeof(float);
break;
case FT_STRING:
subclass->convert_str_to_str(x, value, *((char**)(&p[offset])));
offset += sizeof(char*);
break;
case FT_NA_POINTER:
subclass->default_fill_to_str(x, value, *((char**)(&p[offset])));
offset += sizeof(char*);
break;
case FT_IND:
case FT_SORT:
assert(false && "SQL storage not have sort field types");
break;
default:
assert(false && "unknown format character");
break;
}
}
template<class DerivedLoader, class StorageClass>
void SQLStorageLoaderBase<DerivedLoader, StorageClass>::Load(StorageClass& store, bool error_at_empty /*= true*/)
{
Field* fields = NULL;
QueryResult* result = WorldDatabase.PQuery("SELECT MAX(%s) FROM %s", store.EntryFieldName(), store.GetTableName());
if (!result)
{
sLog.outError("Error loading %s table (not exist?)\n", store.GetTableName());
Log::WaitBeforeContinueIfNeed();
exit(1); // Stop server at loading non exited table or not accessable table
}
uint32 maxRecordId = (*result)[0].GetUInt32() + 1;
uint32 recordCount = 0;
uint32 recordsize = 0;
delete result;
result = WorldDatabase.PQuery("SELECT COUNT(*) FROM %s", store.GetTableName());
if (result)
{
fields = result->Fetch();
recordCount = fields[0].GetUInt32();
delete result;
}
result = WorldDatabase.PQuery("SELECT * FROM %s", store.GetTableName());
if (!result)
{
if (error_at_empty)
sLog.outError("%s table is empty!\n", store.GetTableName());
else
sLog.outString("%s table is empty!\n", store.GetTableName());
recordCount = 0;
return;
}
if (store.GetSrcFieldCount() != result->GetFieldCount())
{
recordCount = 0;
sLog.outError("Error in %s table, probably sql file format was updated (there should be %d fields in sql).\n", store.GetTableName(), store.GetSrcFieldCount());
delete result;
Log::WaitBeforeContinueIfNeed();
exit(1); // Stop server at loading broken or non-compatible table.
}
// get struct size
uint32 offset = 0;
for (uint32 x = 0; x < store.GetDstFieldCount(); ++x)
{
switch (store.GetDstFormat(x))
{
case FT_LOGIC:
recordsize += sizeof(bool); break;
case FT_BYTE:
recordsize += sizeof(char); break;
case FT_INT:
recordsize += sizeof(uint32); break;
case FT_FLOAT:
recordsize += sizeof(float); break;
case FT_STRING:
recordsize += sizeof(char*); break;
case FT_NA:
recordsize += sizeof(uint32); break;
case FT_NA_BYTE:
recordsize += sizeof(char); break;
case FT_NA_FLOAT:
recordsize += sizeof(float); break;
case FT_NA_POINTER:
recordsize += sizeof(char*); break;
case FT_IND:
case FT_SORT:
assert(false && "SQL storage not have sort field types");
break;
default:
assert(false && "unknown format character");
break;
}
}
// Prepare data storage and lookup storage
store.prepareToLoad(maxRecordId, recordCount, recordsize);
BarGoLink bar(recordCount);
do
{
fields = result->Fetch();
bar.step();
char* record = store.createRecord(fields[0].GetUInt32());
offset = 0;
// dependend on dest-size
// iterate two indexes: x over dest, y over source
// y++ If and only If x != FT_NA*
// x++ If and only If a value is stored
for (uint32 x = 0, y = 0; x < store.GetDstFieldCount();)
{
switch (store.GetDstFormat(x))
{
// For default fill continue and do not increase y
case FT_NA: storeValue((uint32)0, store, record, x, offset); ++x; continue;
case FT_NA_BYTE: storeValue((char)0, store, record, x, offset); ++x; continue;
case FT_NA_FLOAT: storeValue((float)0.0f, store, record, x, offset); ++x; continue;
case FT_NA_POINTER: storeValue((char const*)NULL, store, record, x, offset); ++x; continue;
}
// It is required that the input has at least as many columns set as the output requires
if (y >= store.GetSrcFieldCount())
assert(false && "SQL storage has too few columns!");
switch (store.GetSrcFormat(y))
{
case FT_LOGIC: storeValue((bool)(fields[y].GetUInt32() > 0), store, record, x, offset); ++x; break;
case FT_BYTE: storeValue((char)fields[y].GetUInt8(), store, record, x, offset); ++x; break;
case FT_INT: storeValue((uint32)fields[y].GetUInt32(), store, record, x, offset); ++x; break;
case FT_FLOAT: storeValue((float)fields[y].GetFloat(), store, record, x, offset); ++x; break;
case FT_STRING: storeValue((char const*)fields[y].GetString(), store, record, x, offset); ++x; break;
case FT_NA:
case FT_NA_BYTE:
case FT_NA_FLOAT:
// Do Not increase x
break;
case FT_IND:
case FT_SORT:
case FT_NA_POINTER:
assert(false && "SQL storage not have sort or pointer field types");
break;
default:
assert(false && "unknown format character");
}
++y;
}
}
while (result->NextRow());
delete result;
}
#endif
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