PreVerify/lib/qtl/include/qtl_postgres_pool.hpp

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2024-09-09 19:18:28 +08:00
#ifndef _QTL_MYSQL_POOL_H_
#define _QTL_MYSQL_POOL_H_
#include "qtl_database_pool.hpp"
#include "qtl_postgres.hpp"
namespace qtl
{
namespace postgres
{
class database_pool : public qtl::database_pool<database>
{
public:
database_pool() : m_port(0) { }
virtual ~database_pool() { }
virtual database* new_database() throw() override
{
database* db=new database;
if(!db->open(m_host.data(), m_user.data(), m_password.data(), m_port, m_database.data()))
{
delete db;
db=NULL;
}
else
{
PQsetClientEncoding(db->handle(), "UTF8");
}
return db;
}
protected:
std::string m_host;
unsigned short m_port;
std::string m_database;
std::string m_user;
std::string m_password;
};
template<typename EventLoop>
class async_pool : public qtl::async_pool<async_pool<EventLoop>, EventLoop, async_connection>
{
typedef qtl::async_pool<async_pool<EventLoop>, EventLoop, async_connection> base_class;
public:
async_pool(EventLoop& ev) : base_class(ev) { }
virtual ~async_pool() { }
template<typename Handler>
void new_connection(EventLoop& ev, Handler&& handler) throw()
{
async_connection* db = new async_connection;
db->open(ev, [this, handler, db](const postgres::error& e) mutable {
if (e)
{
delete db;
db = nullptr;
}
handler(e, db);
}, m_params);
}
protected:
std::map<std::string, std::string> m_params;
};
}
}
#endif //_QTL_MYSQL_POOL_H_