Examples with FieldPacket io.mycat.net.mysql.FieldPacket used on opensource projects

Example 16 with FieldPacket

use of io.mycat.net.mysql.FieldPacket in project Mycat-Server by MyCATApache.

the class ShowDatabase method execute.

public static void execute(ManagerConnection c) {
    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;
    Map<String, SchemaConfig> schemas = MycatServer.getInstance().getConfig().getSchemas();
    for (String name : new TreeSet<String>(schemas.keySet())) {
        RowDataPacket row = new RowDataPacket(FIELD_COUNT);
        row.add(StringUtil.encode(name, c.getCharset()));
        row.packetId = ++packetId;
        buffer = row.write(buffer, c, true);
    }
    // write lastEof
    EOFPacket lastEof = new EOFPacket();
    lastEof.packetId = ++packetId;
    buffer = lastEof.write(buffer, c, true);
    // write buffer
    c.write(buffer);
}

Example 17 with FieldPacket

use of io.mycat.net.mysql.FieldPacket in project Mycat-Server by MyCATApache.

the class ShowSQLHigh method execute.

public static void execute(ManagerConnection c, boolean isClear) {
    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;
    Map<String, UserStat> statMap = UserStatAnalyzer.getInstance().getUserStatMap();
    for (UserStat userStat : statMap.values()) {
        String user = userStat.getUser();
        List<SqlFrequency> list = userStat.getSqlHigh().getSqlFrequency(isClear);
        if (list != null) {
            int i = 1;
            for (SqlFrequency sqlFrequency : list) {
                if (sqlFrequency != null) {
                    RowDataPacket row = getRow(i, user, sqlFrequency.getSql(), sqlFrequency.getCount(), sqlFrequency.getAvgTime(), sqlFrequency.getMaxTime(), sqlFrequency.getMinTime(), sqlFrequency.getExecuteTime(), sqlFrequency.getLastTime(), c.getCharset());
                    row.packetId = ++packetId;
                    buffer = row.write(buffer, c, true);
                    i++;
                }
            }
        }
    }
    // write last eof
    EOFPacket lastEof = new EOFPacket();
    lastEof.packetId = ++packetId;
    buffer = lastEof.write(buffer, c, true);
    // write buffer
    c.write(buffer);
}

Example 18 with FieldPacket

use of io.mycat.net.mysql.FieldPacket in project Mycat-Server by MyCATApache.

the class ShowSQLSlow method execute.

public static void execute(ManagerConnection c, boolean isClear) {
    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;
    Map<String, UserStat> statMap = UserStatAnalyzer.getInstance().getUserStatMap();
    for (UserStat userStat : statMap.values()) {
        String user = userStat.getUser();
        List<SQLRecord> keyList = userStat.getSqlRecorder().getRecords();
        for (SQLRecord key : keyList) {
            if (key != null) {
                RowDataPacket row = getRow(user, key, c.getCharset());
                row.packetId = ++packetId;
                buffer = row.write(buffer, c, true);
            }
        }
        if (isClear) {
            //读取慢SQL后，清理
            userStat.getSqlRecorder().clear();
        }
    }
    // write last eof
    EOFPacket lastEof = new EOFPacket();
    lastEof.packetId = ++packetId;
    buffer = lastEof.write(buffer, c, true);
    // write buffer
    c.write(buffer);
}

Example 19 with FieldPacket

use of io.mycat.net.mysql.FieldPacket in project Mycat-Server by MyCATApache.

the class ShowSQLSumTable method execute.

public static void execute(ManagerConnection c, boolean isClear) {
    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;
    /*
        int i=0;
        Map<String, TableStat> statMap = TableStatAnalyzer.getInstance().getTableStatMap();
        for (TableStat tableStat : statMap.values()) {
        	i++;
           RowDataPacket row = getRow(tableStat,i, c.getCharset());//getRow(sqlStat,sql, c.getCharset());
           row.packetId = ++packetId;
           buffer = row.write(buffer, c,true);
        }
        */
    List<TableStat> list = TableStatAnalyzer.getInstance().getTableStats(isClear);
    if (list != null) {
        int i = 1;
        for (TableStat tableStat : list) {
            if (tableStat != null) {
                RowDataPacket row = getRow(tableStat, i, c.getCharset());
                i++;
                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);
    // write buffer
    c.write(buffer);
}

Example 20 with FieldPacket

use of io.mycat.net.mysql.FieldPacket in project Mycat-Server by MyCATApache.

the class ShowServer method execute.

public static void execute(ManagerConnection c) {
    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;
    RowDataPacket row = getRow(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);
    // write buffer
    c.write(buffer);
}