Examples with JdbcDataSourceStat com.alibaba.druid.stat.JdbcDataSourceStat used on opensource projects

Example 1 with JdbcDataSourceStat

use of com.alibaba.druid.stat.JdbcDataSourceStat in project druid by alibaba.

the class StatFilter method connection_connect.

public ConnectionProxy connection_connect(FilterChain chain, Properties info) throws SQLException {
    ConnectionProxy connection = null;
    long startNano = System.nanoTime();
    long startTime = System.currentTimeMillis();
    long nanoSpan;
    long nowTime = System.currentTimeMillis();
    JdbcDataSourceStat dataSourceStat = chain.getDataSource().getDataSourceStat();
    dataSourceStat.getConnectionStat().beforeConnect();
    try {
        connection = chain.connection_connect(info);
        nanoSpan = System.nanoTime() - startNano;
    } catch (SQLException ex) {
        dataSourceStat.getConnectionStat().connectError(ex);
        throw ex;
    }
    dataSourceStat.getConnectionStat().afterConnected(nanoSpan);
    if (connection != null) {
        JdbcConnectionStat.Entry statEntry = getConnectionInfo(connection);
        dataSourceStat.getConnections().put(connection.getId(), statEntry);
        statEntry.setConnectTime(new Date(startTime));
        statEntry.setConnectTimespanNano(nanoSpan);
        statEntry.setEstablishNano(System.nanoTime());
        statEntry.setEstablishTime(nowTime);
        statEntry.setConnectStackTrace(new Exception());
        dataSourceStat.getConnectionStat().setActiveCount(dataSourceStat.getConnections().size());
    }
    return connection;
}

Example 2 with JdbcDataSourceStat

use of com.alibaba.druid.stat.JdbcDataSourceStat in project druid by alibaba.

the class StatFilter method resultSetOpenAfter.

@Override
protected void resultSetOpenAfter(ResultSetProxy resultSet) {
    JdbcDataSourceStat dataSourceStat = resultSet.getStatementProxy().getConnectionProxy().getDirectDataSource().getDataSourceStat();
    dataSourceStat.getResultSetStat().beforeOpen();
    resultSet.setConstructNano();
    StatFilterContext.getInstance().resultSet_open();
}

Example 3 with JdbcDataSourceStat

use of com.alibaba.druid.stat.JdbcDataSourceStat in project druid by alibaba.

the class StatFilter method statementCreateAfter.

@Override
public void statementCreateAfter(StatementProxy statement) {
    JdbcDataSourceStat dataSourceStat = statement.getConnectionProxy().getDirectDataSource().getDataSourceStat();
    dataSourceStat.getStatementStat().incrementCreateCounter();
    super.statementCreateAfter(statement);
}

Example 4 with JdbcDataSourceStat

use of com.alibaba.druid.stat.JdbcDataSourceStat in project druid by alibaba.

the class StatFilter method dataSource_releaseConnection.

@Override
public void dataSource_releaseConnection(FilterChain chain, DruidPooledConnection conn) throws SQLException {
    chain.dataSource_recycle(conn);
    long nanos = System.nanoTime() - conn.getConnectedTimeNano();
    long millis = nanos / (1000L * 1000L);
    JdbcDataSourceStat dataSourceStat = chain.getDataSource().getDataSourceStat();
    dataSourceStat.getConnectionHoldHistogram().record(millis);
    StatFilterContext.getInstance().pool_connection_close(nanos);
}

Example 5 with JdbcDataSourceStat

use of com.alibaba.druid.stat.JdbcDataSourceStat in project druid by alibaba.

the class StatFilter method connection_close.

@Override
public void connection_close(FilterChain chain, ConnectionProxy connection) throws SQLException {
    if (connection.getCloseCount() == 0) {
        long nowNano = System.nanoTime();
        JdbcDataSourceStat dataSourceStat = chain.getDataSource().getDataSourceStat();
        dataSourceStat.getConnectionStat().incrementConnectionCloseCount();
        JdbcConnectionStat.Entry connectionInfo = getConnectionInfo(connection);
        long aliveNanoSpan = nowNano - connectionInfo.getEstablishNano();
        JdbcConnectionStat.Entry existsConnection = dataSourceStat.getConnections().remove(connection.getId());
        if (existsConnection != null) {
            dataSourceStat.getConnectionStat().afterClose(aliveNanoSpan);
        }
    }
    chain.connection_close(connection);
// duplicate close, C3P0等连接池，在某些情况下会关闭连接多次。
}