mirror of
https://github.com/uroni/urbackup_backend.git
synced 2025-10-26 11:36:50 +00:00
297 lines
7.1 KiB
C++
297 lines
7.1 KiB
C++
/*************************************************************************
|
|
* UrBackup - Client/Server backup system
|
|
* Copyright (C) 2011 Martin Raiber
|
|
*
|
|
* 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 3 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, see <http://www.gnu.org/licenses/>.
|
|
**************************************************************************/
|
|
|
|
#include "vld.h"
|
|
#include "Query.h"
|
|
#include "Server.h"
|
|
#include "sqlite/sqlite3.h"
|
|
#include "stringtools.h"
|
|
#include "utf8/utf8.h"
|
|
#include <memory.h>
|
|
|
|
CQuery::CQuery(const std::string &pStmt_str, sqlite3_stmt *prepared_statement, CDatabase *pDB) : stmt_str(pStmt_str)
|
|
{
|
|
ps=prepared_statement;
|
|
curr_idx=1;
|
|
db=pDB;
|
|
}
|
|
|
|
CQuery::~CQuery()
|
|
{
|
|
int err=sqlite3_finalize(ps);
|
|
if( err!=SQLITE_OK )
|
|
Server->Log("SQL: "+(std::string)sqlite3_errmsg(db->getDatabase())+ " Stmt: ["+stmt_str+"]", LL_ERROR);
|
|
}
|
|
|
|
void CQuery::Bind(const std::string &str)
|
|
{
|
|
int err=sqlite3_bind_text(ps, curr_idx, str.c_str(), (int)str.size(), SQLITE_TRANSIENT);
|
|
if( err!=SQLITE_OK )
|
|
Server->Log("Error binding text to Query Stmt: ["+stmt_str+"]", LL_ERROR);
|
|
++curr_idx;
|
|
}
|
|
|
|
void CQuery::Bind(const std::wstring &str)
|
|
{
|
|
int err;
|
|
if( sizeof(wchar_t)==2 )
|
|
{
|
|
err=sqlite3_bind_text16(ps, curr_idx, str.c_str(), (int)str.size()*2, SQLITE_TRANSIENT);
|
|
}
|
|
else
|
|
{
|
|
unsigned short *tmp=new unsigned short[str.size()];
|
|
for(size_t i=0,l=str.size();i<l;++i)
|
|
{
|
|
tmp[i]=str[i];
|
|
}
|
|
err=sqlite3_bind_text16(ps, curr_idx, tmp, (int)str.size()*2, SQLITE_TRANSIENT);
|
|
delete []tmp;
|
|
}
|
|
if( err!=SQLITE_OK )
|
|
Server->Log("Error binding text to Query Stmt: ["+stmt_str+"]", LL_ERROR);
|
|
++curr_idx;
|
|
}
|
|
|
|
void CQuery::Bind(const char* buffer, _u32 bsize)
|
|
{
|
|
int err=sqlite3_bind_blob(ps, curr_idx, buffer, bsize, SQLITE_TRANSIENT);
|
|
if( err!=SQLITE_OK )
|
|
Server->Log("Error binding blob to Query Stmt: ["+stmt_str+"]", LL_ERROR);
|
|
++curr_idx;
|
|
}
|
|
|
|
void CQuery::Bind(int p)
|
|
{
|
|
int err=sqlite3_bind_int(ps, curr_idx, p);
|
|
if( err!=SQLITE_OK )
|
|
Server->Log("Error binding int to Query Stmt: ["+stmt_str+"]", LL_ERROR);
|
|
++curr_idx;
|
|
}
|
|
|
|
void CQuery::Bind(unsigned int p)
|
|
{
|
|
Bind((int64)p);
|
|
}
|
|
|
|
void CQuery::Bind(double p)
|
|
{
|
|
int err=sqlite3_bind_double(ps, curr_idx, p);
|
|
if( err!=SQLITE_OK )
|
|
Server->Log("Error binding double to Query Stmt: ["+stmt_str+"]", LL_ERROR);
|
|
++curr_idx;
|
|
}
|
|
|
|
void CQuery::Bind(int64 p)
|
|
{
|
|
int err=sqlite3_bind_int64(ps, curr_idx, p);
|
|
if( err!=SQLITE_OK )
|
|
Server->Log("Error binding int64 to Query Stmt: ["+stmt_str+"]", LL_ERROR);
|
|
++curr_idx;
|
|
}
|
|
|
|
#if defined(_WIN64) || defined(_LP64)
|
|
void CQuery::Bind(size_t p)
|
|
{
|
|
Bind((int64)p);
|
|
}
|
|
#endif
|
|
|
|
void CQuery::Reset(void)
|
|
{
|
|
sqlite3_reset(ps);
|
|
//sqlite3_clear_bindings(ps);
|
|
curr_idx=1;
|
|
}
|
|
|
|
bool CQuery::Write(void)
|
|
{
|
|
return Execute();
|
|
}
|
|
|
|
bool CQuery::Execute(void)
|
|
{
|
|
bool transaction_lock=false;
|
|
int tries=60; //10min
|
|
int err=sqlite3_step(ps);
|
|
while( err==SQLITE_BUSY || err==SQLITE_ROW || err==SQLITE_LOCKED )
|
|
{
|
|
if(err==SQLITE_BUSY)
|
|
{
|
|
if(transaction_lock==false)
|
|
{
|
|
if(db->LockForTransaction())
|
|
{
|
|
transaction_lock=true;
|
|
}
|
|
sqlite3_busy_timeout(db->getDatabase(), 10000);
|
|
}
|
|
else
|
|
{
|
|
--tries;
|
|
if(tries<0)
|
|
{
|
|
Server->Log("SQLITE: Giving up waiting for query Stmt: ["+stmt_str+"]");
|
|
break;
|
|
}
|
|
Server->Log("SQLITE_BUSY in CQuery::Execute Stmt: ["+stmt_str+"]", LL_ERROR);
|
|
}
|
|
}
|
|
else if(err==SQLITE_LOCKED)
|
|
{
|
|
if(db->LockForTransaction())
|
|
{
|
|
transaction_lock=true;
|
|
}
|
|
if(!db->WaitForUnlock())
|
|
{
|
|
Server->Log("DEADLOCK in CQuery::Execute Stmt: ["+stmt_str+"]", LL_ERROR);
|
|
Server->wait(1000);
|
|
}
|
|
}
|
|
err=sqlite3_step(ps);
|
|
}
|
|
|
|
if(transaction_lock)
|
|
{
|
|
sqlite3_busy_timeout(db->getDatabase(), 50);
|
|
db->UnlockForTransaction();
|
|
}
|
|
|
|
if( err!=SQLITE_DONE )
|
|
{
|
|
Server->Log("Error in CQuery::Execute - "+(std::string)sqlite3_errmsg(db->getDatabase()) +" Stmt: ["+stmt_str+"]", LL_ERROR);
|
|
return false;
|
|
}
|
|
|
|
return true;
|
|
}
|
|
|
|
db_nresults CQuery::ReadN(void)
|
|
{
|
|
int err;
|
|
db_nresults rows;
|
|
|
|
while( (err=sqlite3_step(ps))==SQLITE_BUSY || err==SQLITE_ROW)
|
|
{
|
|
if( err==SQLITE_ROW )
|
|
{
|
|
db_nsingle_result res;
|
|
int column=0;
|
|
const char *column_name;
|
|
while( (column_name=sqlite3_column_name(ps, column) )!=NULL )
|
|
{
|
|
std::string data;
|
|
const void *blob=sqlite3_column_blob(ps, column);
|
|
int blob_size=sqlite3_column_bytes(ps, column);
|
|
data.resize(blob_size);
|
|
memcpy(&data[0], blob, blob_size);
|
|
res.insert( std::pair<std::string, std::string>(column_name, data) );
|
|
++column;
|
|
}
|
|
rows.push_back( res );
|
|
}
|
|
}
|
|
|
|
return rows;
|
|
}
|
|
|
|
db_results CQuery::Read(void)
|
|
{
|
|
int err;
|
|
db_results rows;
|
|
|
|
while( (err=sqlite3_step(ps))==SQLITE_BUSY || err==SQLITE_ROW)
|
|
{
|
|
if( err==SQLITE_ROW )
|
|
{
|
|
db_single_result res;
|
|
int column=0;
|
|
const unsigned short *c_name;
|
|
while( (c_name=(const unsigned short*)sqlite3_column_name16(ps, column) )!=NULL )
|
|
{
|
|
std::wstring column_name;
|
|
if( sizeof(wchar_t)!=2 )
|
|
{
|
|
size_t len=0;
|
|
while(c_name[len]!=0)
|
|
++len;
|
|
|
|
column_name.resize(len);
|
|
for(size_t i=0;i<len;++i)
|
|
{
|
|
column_name[i]=c_name[i];
|
|
}
|
|
}
|
|
else
|
|
{
|
|
column_name=(wchar_t*)c_name;
|
|
}
|
|
std::wstring data;
|
|
int blob_size=sqlite3_column_bytes16(ps, column);
|
|
const void *blob=sqlite3_column_blob(ps, column);
|
|
//int blob_size2=sqlite3_column_bytes(ps, column);
|
|
if(blob_size>0)
|
|
{
|
|
if( sizeof(wchar_t)==2 )
|
|
{
|
|
data.resize(blob_size/2+blob_size%2);
|
|
memcpy(&data[0], blob, blob_size);
|
|
}
|
|
else
|
|
{
|
|
if( SQLITE_BLOB==sqlite3_column_type(ps, column) )
|
|
{
|
|
size_t size=(size_t)(blob_size/sizeof(wchar_t))+((blob_size%sizeof(wchar_t))>0?1:0);
|
|
|
|
data.resize(size);
|
|
char* ptr=(char*)data.c_str();
|
|
memcpy(ptr, blob, blob_size);
|
|
|
|
if( blob_size%sizeof(wchar_t)>0 )
|
|
{
|
|
memset(ptr+blob_size, 0, sizeof(wchar_t)-blob_size%sizeof(wchar_t) );
|
|
}
|
|
}
|
|
else
|
|
{
|
|
data.resize(blob_size/sizeof(unsigned short));
|
|
unsigned short *ip=(unsigned short*)blob;
|
|
for(int i=0,l=blob_size/sizeof(unsigned short);i<l;++i)
|
|
{
|
|
|
|
data[i]=*ip;
|
|
++ip;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
res.insert( std::pair<std::wstring, std::wstring>(column_name, data) );
|
|
++column;
|
|
}
|
|
rows.push_back( res );
|
|
}
|
|
else
|
|
{
|
|
Server->wait(1000);
|
|
}
|
|
}
|
|
|
|
return rows;
|
|
}
|