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Rework SQLite again to use thread local connections - closes #492

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md_5 2013-07-05 08:23:29 +10:00
parent 6b50c7c599
commit c0d581d41f
1 changed files with 38 additions and 14 deletions
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44
proxy/src/main/java/net/md_5/bungee/reconnect/SQLReconnectHandler.java
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@ -1,10 +1,13 @@
package net.md_5.bungee.reconnect; package net.md_5.bungee.reconnect;
import com.google.common.base.Throwables;
import java.sql.Connection; import java.sql.Connection;
import java.sql.DriverManager; import java.sql.DriverManager;
import java.sql.PreparedStatement; import java.sql.PreparedStatement;
import java.sql.ResultSet; import java.sql.ResultSet;
import java.sql.SQLException; import java.sql.SQLException;
import java.util.HashSet;
import java.util.Set;
import java.util.logging.Level; import java.util.logging.Level;
import net.md_5.bungee.api.ProxyServer; import net.md_5.bungee.api.ProxyServer;
import net.md_5.bungee.api.config.ServerInfo; import net.md_5.bungee.api.config.ServerInfo;
@ -13,14 +16,31 @@ import net.md_5.bungee.api.connection.ProxiedPlayer;
public class SQLReconnectHandler extends AbstractReconnectManager public class SQLReconnectHandler extends AbstractReconnectManager
{ {
private final Connection connection; private final Set<Connection> allConnections = new HashSet<>();
private final ThreadLocal<Connection> connectionPool = new ThreadLocal<Connection>()
{
@Override
protected Connection initialValue()
{
Connection con = null;
try
{
con = DriverManager.getConnection( "jdbc:sqlite:bungee.sqlite" );
} catch ( SQLException ex )
{
Throwables.propagate( ex );
}
allConnections.add( con );
return con;
}
};
public SQLReconnectHandler() throws ClassNotFoundException, SQLException public SQLReconnectHandler() throws ClassNotFoundException, SQLException
{ {
Class.forName( "org.sqlite.JDBC" ); Class.forName( "org.sqlite.JDBC" );
connection = DriverManager.getConnection( "jdbc:sqlite:bungee.sqlite" );
try ( PreparedStatement ps = connection.prepareStatement( try ( PreparedStatement ps = connectionPool.get().prepareStatement(
"CREATE TABLE IF NOT EXISTS players (" "CREATE TABLE IF NOT EXISTS players ("
+ "playerId INTEGER NOT NULL PRIMARY KEY AUTOINCREMENT," + "playerId INTEGER NOT NULL PRIMARY KEY AUTOINCREMENT,"
+ "username TEXT NOT NULL UNIQUE COLLATE NOCASE," + "username TEXT NOT NULL UNIQUE COLLATE NOCASE,"
@ -33,10 +53,10 @@ public class SQLReconnectHandler extends AbstractReconnectManager
} }
@Override @Override
protected synchronized ServerInfo getStoredServer(ProxiedPlayer player) protected ServerInfo getStoredServer(ProxiedPlayer player)
{ {
String server = null; String server = null;
try ( PreparedStatement ps = connection.prepareStatement( "SELECT server FROM players WHERE username = ?" ) ) try ( PreparedStatement ps = connectionPool.get().prepareStatement( "SELECT server FROM players WHERE username = ?" ) )
{ {
ps.setString( 1, player.getName() ); ps.setString( 1, player.getName() );
try ( ResultSet rs = ps.executeQuery() ) try ( ResultSet rs = ps.executeQuery() )
@ -46,7 +66,7 @@ public class SQLReconnectHandler extends AbstractReconnectManager
server = rs.getString( 1 ); server = rs.getString( 1 );
} else } else
{ {
try ( PreparedStatement playerUpdate = connection.prepareStatement( "INSERT INTO players( username ) VALUES( ? )" ) ) try ( PreparedStatement playerUpdate = connectionPool.get().prepareStatement( "INSERT INTO players( username ) VALUES( ? )" ) )
{ {
playerUpdate.setString( 1, player.getName() ); playerUpdate.setString( 1, player.getName() );
playerUpdate.executeUpdate(); playerUpdate.executeUpdate();
@ -62,10 +82,10 @@ public class SQLReconnectHandler extends AbstractReconnectManager
} }
@Override @Override
public synchronized void setServer(ProxiedPlayer player) public void setServer(ProxiedPlayer player)
{ {
try ( PreparedStatement ps = connection.prepareStatement( "UPDATE players SET server = ?, seen = ? WHERE username = ?" ) ) try ( PreparedStatement ps = connectionPool.get().prepareStatement( "UPDATE players SET server = ?, seen = ? WHERE username = ?" ) )
{ {
ps.setString( 1, player.getServer().getInfo().getName() ); ps.setString( 1, player.getServer().getInfo().getName() );
ps.setInt( 2, (int) ( System.currentTimeMillis() / 1000L ) ); ps.setInt( 2, (int) ( System.currentTimeMillis() / 1000L ) );
@ -83,14 +103,18 @@ public class SQLReconnectHandler extends AbstractReconnectManager
} }
@Override @Override
public synchronized void close() public void close()
{
for ( Connection con : allConnections )
{ {
try try
{ {
connection.close(); con.close();
} catch ( SQLException ex ) } catch ( SQLException ex )
{ {
ProxyServer.getInstance().getLogger().log( Level.WARNING, "Error closing SQLite connection", ex ); ProxyServer.getInstance().getLogger().log( Level.WARNING, "Error closing SQLite connection", ex );
} }
} }
allConnections.clear();
}
} }