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#ifndef MMAN_CXX
#define MMAN_CXX
#include "mman.h"
#include "mcon.h"
#include "mcon.h"
#include "s_mutx.h"
#include "s_ncur.h"
#include "s_tool.h"
using namespace std;
mman::mman(int i_initial, int i_max)
{
pthread_mutex_init( &mut_i_used_con , NULL);
this->i_used_connections=0;
if( i_max > MAXMSQL )
{
#ifdef VERBOSE
cerr << MYLIMIT << MAXMSQL << endl;
#endif
i_max = MAXMSQL;
}
if( i_initial > i_max )
i_initial = i_max;
this->i_initial_connections = i_initial;
this->i_max_connections = i_max;
#ifdef VERBOSE
cout << MYINITC << i_initial << endl
<< MYINITM << i_max << endl;
#endif
}
void mman::init( string host, string user, string passwd, string db, unsigned int port)
{
this->s_host=host;
this->s_user=user;
this->s_pass=passwd;
this->s_db=db;
this->i_port=port;
for(int i=0; i<this->i_initial_connections;i++)
this->mysql.push_back(new_connection( ));
}
#ifdef NCURSES
void
mman::print_init_ncurses()
{
string s_tmp( MYINITC );
s_tmp.append( s_tool::int2string( i_initial_connections ) );
s_ncur::get
().print( s_tmp );
string s_tmp2( MYINITM );
s_tmp2.append( s_tool::int2string( i_max_connections ) );
s_ncur::get
().print( s_tmp2 );
print_used_connections(1);
}
void
mman::print_used_connections( bool b_refresh )
{
pthread_mutex_lock ( &s_mutx::get().mut_stdout );
mvprintw( NCUR_MYSQL_X,NCUR_MYSQL_Y, "MySQL: %d ", i_used_connections);
if ( b_refresh )
refresh();
pthread_mutex_unlock( &s_mutx::get().mut_stdout );
}
#endif
mman::~mman()
{
for(int i = 0; i < this->mysql.size();i++)
{
if(this->mysql[i] != NULL)
mysql_close(this->mysql[i]);
}
pthread_mutex_destroy( &mut_i_used_con );
}
MYSQL *mman::get_connection()
{
if(!this->mysql.empty())
{
MYSQL *x=this->mysql[this->mysql.size()-1];
this->mysql.pop_back();
if(mysql_ping(x)==0)
{
pthread_mutex_lock ( &mut_i_used_con );
this->i_used_connections--;
#ifdef NCURSES
print_used_connections(1);
#endif
pthread_mutex_unlock( &mut_i_used_con );
mysql_close(x);
return new_connection();
}
return x;
}
#ifdef NCURSES
{
s_ncur::get
().print( MYERROR );
}
#endif
#ifdef SERVMSG
cerr << MYERROR << endl;
#endif
return NULL;
}
MYSQL *mman::new_connection( )
{
pthread_mutex_lock ( &mut_i_used_con );
if(this->i_used_connections>this->i_max_connections)
{
#ifdef NCURSES
s_ncur::get().shutdown();
cerr << MYERRO2 << endl;
#endif
#ifdef SERVMSG
cerr << MYERRO2 << endl;
#endif
return NULL;
}
pthread_mutex_unlock( &mut_i_used_con );
MYSQL *ms = mysql_init(NULL);
if(!ms)
{
#ifdef NCURSES
s_ncur::get().shutdown();
cerr << MYERRO1 << endl;
#endif
#ifdef SERVMSG
cerr << MYERRO1 << endl;
#endif
exit(1);
}
if(mysql_real_connect( ms, this->s_host.c_str(), this->s_user.c_str(), this->s_pass.c_str(), this->s_db.c_str()
, this->i_port, NULL, 0 )==NULL)
{
#ifdef NCURSES
s_ncur::get().shutdown();
cerr << MYMANAG << mysql_error(ms) << endl;
#endif
#ifdef SERVMSG
cerr << MYMANAG << mysql_error(ms) << endl;
#endif
exit(1);
}
pthread_mutex_lock ( &mut_i_used_con );
this->i_used_connections++;
#ifdef NCURSES
print_used_connections(0);
#endif
pthread_mutex_unlock( &mut_i_used_con );
return ms;
}
void mman::free_connection( MYSQL *msql)
{
pthread_mutex_lock ( &mut_i_used_con );
this->i_used_connections--;
#ifdef NCURSES
print_used_connections(1);
#endif
pthread_mutex_unlock( &mut_i_used_con );
if(mysql_ping( msql )==0)
{
mysql_close( msql );
this->mysql.push_back( msql );
}
else
this->mysql.push_back( new_connection() );
}
#endif
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