Examples with PhysicalDatasource io.mycat.backend.datasource.PhysicalDatasource used on opensource projects

Example 31 with PhysicalDatasource

use of io.mycat.backend.datasource.PhysicalDatasource in project Mycat_plus by coderczp.

the class GlobalTableUtil method reGetColumnsForTable.

/**
 * 重新获得table 的列list
 * @param tableName
 */
private static void reGetColumnsForTable(String tableName) {
    MycatConfig config = MycatServer.getInstance().getConfig();
    if (globalTableMap != null && globalTableMap.get(tableName.toUpperCase()) != null) {
        TableConfig tableConfig = globalTableMap.get(tableName.toUpperCase());
        if (// consistencyCheck 在运行中
        tableConfig == null || isInnerColumnCheckFinished != 1)
            return;
        String nodeName = tableConfig.getDataNodes().get(0);
        Map<String, PhysicalDBNode> map = config.getDataNodes();
        for (String k2 : map.keySet()) {
            PhysicalDBNode dBnode = map.get(k2);
            if (nodeName.equals(dBnode.getName())) {
                PhysicalDBPool pool = dBnode.getDbPool();
                List<PhysicalDatasource> dsList = (List<PhysicalDatasource>) pool.genAllDataSources();
                for (PhysicalDatasource ds : dsList) {
                    if (ds instanceof MySQLDataSource) {
                        MySQLDataSource mds = (MySQLDataSource) dsList.get(0);
                        MySQLConsistencyChecker checker = new MySQLConsistencyChecker(mds, tableConfig.getName());
                        checker.checkInnerColumnExist();
                        // 运行一次就行了，不需要像consistencyCheck那样每个db都运行一次
                        return;
                    }
                }
            }
        }
    }
}

Example 32 with PhysicalDatasource

use of io.mycat.backend.datasource.PhysicalDatasource in project Mycat_plus by coderczp.

the class ConfigTest method getPhysicalDBPool.

private PhysicalDBPool getPhysicalDBPool(DataHostConfig conf, ConfigLoader configLoader) {
    String name = conf.getName();
    String dbType = conf.getDbType();
    String dbDriver = conf.getDbDriver();
    PhysicalDatasource[] writeSources = createDataSource(conf, name, dbType, dbDriver, conf.getWriteHosts(), false);
    Map<Integer, DBHostConfig[]> readHostsMap = conf.getReadHosts();
    Map<Integer, PhysicalDatasource[]> readSourcesMap = new HashMap<Integer, PhysicalDatasource[]>(readHostsMap.size());
    for (Map.Entry<Integer, DBHostConfig[]> entry : readHostsMap.entrySet()) {
        PhysicalDatasource[] readSources = createDataSource(conf, name, dbType, dbDriver, entry.getValue(), true);
        readSourcesMap.put(entry.getKey(), readSources);
    }
    PhysicalDBPool pool = new PhysicalDBPool(conf.getName(), conf, writeSources, readSourcesMap, conf.getBalance(), conf.getWriteType());
    return pool;
}

Example 33 with PhysicalDatasource

use of io.mycat.backend.datasource.PhysicalDatasource in project Mycat_plus by coderczp.

the class ConfigTest method testReadHostWeight.

/**
 * 测试 读服务的 权重
 *
 * @throws Exception
 */
@Test
public void testReadHostWeight() throws Exception {
    ArrayList<PhysicalDatasource> okSources = new ArrayList<PhysicalDatasource>();
    PhysicalDBPool pool = this.dataHosts.get("localhost2");
    okSources.addAll(pool.getAllDataSources());
    PhysicalDatasource source = pool.randomSelect(okSources);
    Assert.assertTrue(source != null);
}

Example 34 with PhysicalDatasource

use of io.mycat.backend.datasource.PhysicalDatasource in project Mycat_plus by coderczp.

the class ShowDataSource method execute.

public static void execute(ManagerConnection c, String name) {
    ByteBuffer buffer = c.allocate();
    // write header
    buffer = header.write(buffer, c, true);
    // write fields
    for (FieldPacket field : fields) {
        buffer = field.write(buffer, c, true);
    }
    // write eof
    buffer = eof.write(buffer, c, true);
    // write rows
    byte packetId = eof.packetId;
    MycatConfig conf = MycatServer.getInstance().getConfig();
    Map<String, List<PhysicalDatasource>> dataSources = new HashMap<String, List<PhysicalDatasource>>();
    if (null != name) {
        PhysicalDBNode dn = conf.getDataNodes().get(name);
        if (dn != null) {
            List<PhysicalDatasource> dslst = new LinkedList<PhysicalDatasource>();
            dslst.addAll(dn.getDbPool().getAllDataSources());
            dataSources.put(dn.getName(), dslst);
        }
    } else {
        for (PhysicalDBNode dn : conf.getDataNodes().values()) {
            List<PhysicalDatasource> dslst = new LinkedList<PhysicalDatasource>();
            dslst.addAll(dn.getDbPool().getAllDataSources());
            dataSources.put(dn.getName(), dslst);
        }
    }
    for (Map.Entry<String, List<PhysicalDatasource>> dsEntry : dataSources.entrySet()) {
        String dnName = dsEntry.getKey();
        for (PhysicalDatasource ds : dsEntry.getValue()) {
            RowDataPacket row = getRow(dnName, ds, c.getCharset());
            row.packetId = ++packetId;
            buffer = row.write(buffer, c, true);
        }
    }
    // write last eof
    EOFPacket lastEof = new EOFPacket();
    lastEof.packetId = ++packetId;
    buffer = lastEof.write(buffer, c, true);
    // post write
    c.write(buffer);
}

Example 35 with PhysicalDatasource

use of io.mycat.backend.datasource.PhysicalDatasource in project Mycat_plus by coderczp.

the class ShowDatasourceCluster method getRows.

private static List<RowDataPacket> getRows(String charset) {
    List<RowDataPacket> list = new LinkedList<RowDataPacket>();
    MycatConfig conf = MycatServer.getInstance().getConfig();
    // host nodes
    Map<String, PhysicalDBPool> dataHosts = conf.getDataHosts();
    for (PhysicalDBPool pool : dataHosts.values()) {
        for (PhysicalDatasource ds : pool.getAllDataSources()) {
            DBHeartbeat hb = ds.getHeartbeat();
            DataSourceSyncRecorder record = hb.getAsynRecorder();
            Map<String, String> states = record.getRecords();
            RowDataPacket row = new RowDataPacket(FIELD_COUNT);
            if (!states.isEmpty()) {
                row.add(StringUtil.encode(ds.getName(), charset));
                row.add(StringUtil.encode(ds.getConfig().getIp(), charset));
                row.add(LongUtil.toBytes(ds.getConfig().getPort()));
                row.add(StringUtil.encode(states.get("wsrep_incoming_addresses") == null ? "" : states.get("wsrep_incoming_addresses"), charset));
                row.add(StringUtil.encode(states.get("wsrep_cluster_size") == null ? "" : states.get("wsrep_cluster_size"), charset));
                row.add(StringUtil.encode(states.get("wsrep_cluster_status") == null ? "" : states.get("wsrep_cluster_status"), charset));
                row.add(StringUtil.encode(states.get("wsrep_connected") == null ? "" : states.get("wsrep_connected"), charset));
                row.add(StringUtil.encode(states.get("wsrep_flow_control_paused") == null ? "" : states.get("wsrep_flow_control_paused"), charset));
                row.add(StringUtil.encode(states.get("wsrep_local_state_comment") == null ? "" : states.get("wsrep_local_state_comment"), charset));
                row.add(StringUtil.encode(states.get("wsrep_ready") == null ? "" : states.get("wsrep_ready"), charset));
                row.add(StringUtil.encode(states.get("wsrep_flow_control_paused_ns") == null ? "" : states.get("wsrep_flow_control_paused_ns"), charset));
                row.add(StringUtil.encode(states.get("wsrep_flow_control_recv") == null ? "" : states.get("wsrep_flow_control_recv"), charset));
                row.add(StringUtil.encode(states.get("wsrep_local_bf_aborts") == null ? "" : states.get("wsrep_local_bf_aborts"), charset));
                row.add(StringUtil.encode(states.get("wsrep_local_recv_queue_avg") == null ? "" : states.get("wsrep_local_recv_queue_avg"), charset));
                row.add(StringUtil.encode(states.get("wsrep_local_send_queue_avg") == null ? "" : states.get("wsrep_local_recv_queue_avg"), charset));
                row.add(StringUtil.encode(states.get("wsrep_apply_oool") == null ? "" : states.get("wsrep_apply_oool"), charset));
                row.add(StringUtil.encode(states.get("wsrep_apply_oooe") == null ? "" : states.get("wsrep_apply_oooe"), charset));
                list.add(row);
            }
        }
    }
    return list;
}