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#include "data_base.h"
#ifdef DATABASE
#ifndef DATA_BASE_CPP
#define DATA_BASE_CPP
using namespace std;
data_base::data_base( )
{
pthread_mutex_init ( &mut_con, NULL );
vector<string> vec_keys = *wrap::CONF->get_key_vector();
vector<string>::iterator iter;
// Reads all DATA_ elements of conf.txt!
for ( iter = vec_keys.begin(); iter != vec_keys.end(); iter++ )
{
if ( iter->length() > 20
&& iter->compare(0, 19, "chat.database.mysql") == 0
&& iter->find(".descr") == string::npos )
{
vector<string> vec_tokens;
string s_element = wrap::CONF->get_elem(*iter);
unsigned i_pos = 0;
for ( bool b_find = 1; b_find; )
{
i_pos = s_element.find_first_of( " ", 0 );
if ( i_pos != string::npos )
{
vec_tokens.push_back( s_element.substr(0, i_pos) );
s_element = s_element.substr( i_pos+1 );
}
else
{
vec_tokens.push_back( s_element );
b_find = 0;
}
}
string s_mysqlquery = iter->substr(20);
wrap::system_message(MYSQLQ2 + s_mysqlquery);
map_queries[s_mysqlquery] = vec_tokens;
}
}
}
void data_base::initialize_connections() {
int i_min_con = tool::string2int( wrap::CONF->get_elem("chat.database.mincon") ),
i_max_con = tool::string2int( wrap::CONF->get_elem("chat.database.maxcon") );
wrap::system_message(DATAIN0 + tool::int2string(i_max_con));
wrap::system_message(DATAIN1 + tool::int2string(i_min_con));
for ( int i = 0; i < i_min_con && i < i_max_con; i++ )
push_back( new con() );
#ifdef NCURSES
print_queue_size();
#endif
}
data_base::~data_base()
{
pthread_mutex_destroy ( &mut_con );
}
map_string
data_base::select_user_data( string s_user, string s_query)
{
print_query( DATAQUE + s_query );
map_string map_ret;
return map_ret;
}
void
data_base::insert_user_data( string s_user, string s_query, map_string insert_map )
{
print_query( DATAQUE + s_query );
}
void
data_base::update_user_data( string s_user, string s_query, map_string update_map )
{
print_query( DATAQUE + s_query );
}
void
data_base::print_query( string s_query )
{
#ifdef DATA_PRINT_QUERIES
print_query_( s_query );
#endif
}
#ifdef DATA_PRINT_QUERIES
void
data_base::print_query_( string s_query )
{
wrap::system_message( s_query );
}
#endif
con*
data_base::get_con()
{
pthread_mutex_lock( &mut_con );
if ( empty() )
{
wrap::system_message( DATANEW + string("(") + tool::int2string(size()+1) + ")" );
pthread_mutex_unlock( &mut_con );
return new con;
}
else if ( size() > i_max_con-1 )
{
wrap::system_message( DATAMAX + string("(") + tool::int2string(i_max_con) + ")" );
usleep( 5000000 );
pthread_mutex_unlock( &mut_con );
return get_con();
}
con* p_con = *begin();
pop_front();
#ifdef NCURSES
print_queue_size();
#endif
pthread_mutex_unlock( &mut_con );
wrap::system_message( DATAGET );
p_con->renew_timeout();
return p_con;
}
void
data_base::push_con( con* p_con )
{
pthread_mutex_lock( &mut_con );
push_front( p_con );
#ifdef NCURSES
print_queue_size();
#endif
pthread_mutex_unlock( &mut_con );
wrap::system_message( DATAADD );
}
#ifdef NCURSES
void
data_base::print_queue_size()
{
if ( wrap::NCUR->is_ready() )
{
mvprintw( NCUR_CON_QUEUE_X,NCUR_CON_QUEUE_Y, "Con. queue: %d ", size());
refresh();
}
}
#endif
void
data_base::disconnect_all_connections()
{
wrap::system_message( DATADIS );
pthread_mutex_lock( &mut_con );
while ( !empty() )
{
con* p_con = *begin();
pop_front();
delete p_con;
}
pthread_mutex_unlock( &mut_con );
#ifdef NCURSES
print_queue_size();
#endif
}
void
data_base::check_data_con_timeout()
{
int i_timeout_time = tool::string2int(wrap::CONF->get_elem("chat.database.contimeout"));
int i_last_activity;
pthread_mutex_lock( &mut_con );
list< list<con*>::iterator > erase_list;
for ( list<con*>::iterator iter = begin();
iter != end(); iter++ )
{
i_last_activity = (int) (*iter)->get_last_activity();
if ( i_timeout_time <= i_last_activity )
{
con* p_con = *iter;
erase_list.push_back(iter);
delete p_con;
wrap::system_message(DATADI2 + tool::int2string(size()-erase_list.size()+1) + ","
+ tool::int2string(i_timeout_time) + ","
+ tool::int2string(i_last_activity) + ")");
}
}
for ( list< list<con*>::iterator >::iterator erase_iter = erase_list.begin();
erase_iter != erase_list.end(); erase_iter++ )
erase( *erase_iter );
#ifdef NCURSES
print_queue_size();
#endif
pthread_mutex_unlock( &mut_con );
}
#endif
#endif
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