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/* 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 */
#ifndef Restore_H
#define Restore_H
#include <SimulatedBlock.hpp>
#include <SLList.hpp>
#include <DLList.hpp>
#include <KeyTable.hpp>
#include <DLHashTable.hpp>
#include <DataBuffer.hpp>
#include <NodeBitmask.hpp>
#include <backup/BackupFormat.hpp>
class Restore : public SimulatedBlock
{
public:
Restore(Block_context& ctx);
virtual ~Restore();
BLOCK_DEFINES(Restore);
protected:
void execSTTOR(Signal* signal);
void sendSTTORRY(Signal*);
void execREAD_CONFIG_REQ(Signal*);
void execDUMP_STATE_ORD(Signal* signal);
void execCONTINUEB(Signal* signal);
void execRESTORE_LCP_REQ(Signal* signal);
void execFSOPENREF(Signal*);
void execFSOPENCONF(Signal*);
void execFSREADREF(Signal*);
void execFSREADCONF(Signal*);
void execFSCLOSEREF(Signal*);
void execFSCLOSECONF(Signal*);
void execLQHKEYREF(Signal*);
void execLQHKEYCONF(Signal*);
typedef DataBuffer<15> List;
public:
struct Column
{
Uint16 m_id;
Uint16 m_size;
Uint16 m_unused;
Uint16 m_flags;
enum Flags
{
COL_KEY = 0x1,
COL_VAR = 0x2,
COL_DISK = 0x4,
COL_NULL = 0x8
};
};
private:
struct File; // CC
friend struct File;
struct File
{
File() {}
Uint32 m_sender_ref;
Uint32 m_sender_data;
Uint32 m_fd; // File pointer
Uint32 m_file_type; // File type
Uint32 m_status;
enum StatusFlags
{
FILE_EOF = 1,
FILE_THREAD_RUNNING = 2,
RESTORE_THREAD_RUNNING = 4,
FIRST_READ = 8,
READING_RECORDS = 16
};
Uint32 m_table_id;
Uint32 m_table_version;
Uint32 m_fragment_id;
List::Head m_columns;
Uint32 m_current_page_ptr_i;
Uint32 m_current_page_pos;
Uint32 m_bytes_left; // Bytes read from FS
Uint32 m_current_file_page; // Where in file
Uint32 m_outstanding_reads; //
Uint32 m_outstanding_operations;
Uint64 m_rows_restored;
Uint32 m_current_page_index; // Where in page list are we
List::Head m_pages;
Uint32 nextHash;
Uint32 prevHash;
Uint32 nextList;
Uint32 prevList;
Uint32 nextPool;
Uint32 m_lcp_no;
bool is_lcp() const { return m_file_type == BackupFormat::LCP_FILE;}
};
typedef Ptr<File> FilePtr;
Uint32 init_file(const struct RestoreLcpReq*, FilePtr);
void release_file(FilePtr);
void open_file(Signal*, FilePtr);
void read_file(Signal*, FilePtr);
void restore_next(Signal*, FilePtr);
void parse_file_header(Signal*, FilePtr, const Uint32*, Uint32 len);
void parse_table_list(Signal*, FilePtr, const Uint32*, Uint32 len);
void parse_table_description(Signal*, FilePtr, const Uint32*, Uint32 len);
void parse_fragment_header(Signal*, FilePtr, const Uint32*, Uint32 len);
void parse_record(Signal*, FilePtr, const Uint32*, Uint32 len);
void parse_fragment_footer(Signal*, FilePtr, const Uint32*, Uint32 len);
void parse_gcp_entry(Signal*, FilePtr, const Uint32*, Uint32 len);
void close_file(Signal*, FilePtr);
void reorder_key(const struct KeyDescriptor*, Uint32* data, Uint32 len);
Uint32 calulate_hash(Uint32 tableId, const Uint32 *src);
void parse_error(Signal*, FilePtr, Uint32 line, Uint32 extra);
int check_file_version(Signal*, Uint32 file_version);
public:
private:
class Dblqh* c_lqh;
class Dbtup* c_tup;
DLList<File> m_file_list;
KeyTable<File> m_file_hash;
ArrayPool<File> m_file_pool;
List::DataBufferPool m_databuffer_pool;
};
NdbOut& operator << (NdbOut&, const Restore::Column&);
#endif
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