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

Example 56 with FieldPacket

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

the class ShowWhiteHost 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, List<UserConfig>> map = MycatServer.getInstance().getConfig().getFirewall().getWhitehost();
    for (String key : map.keySet()) {
        List<UserConfig> userConfigs = map.get(key);
        String users = "";
        for (int i = 0; i < userConfigs.size(); i++) {
            if (i > 0) {
                users += "," + userConfigs.get(i).getName();
            } else {
                users += userConfigs.get(i).getName();
            }
        }
        RowDataPacket row = getRow(key, users, 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);
}

Example 57 with FieldPacket

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

the class ShowSQLExecute 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;
    for (int i = 0; i < 3; i++) {
        RowDataPacket row = getRow(1000 * (i + 1), 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);
}

Example 58 with FieldPacket

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

the class ShowSQLLarge 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<UserSqlLargeStat.SqlLarge> sqls = userStat.getSqlLargeRowStat().getSqls();
        for (UserSqlLargeStat.SqlLarge sql : sqls) {
            if (sql != null) {
                RowDataPacket row = getRow(user, sql, c.getCharset());
                row.packetId = ++packetId;
                buffer = row.write(buffer, c, true);
            }
        }
        if (isClear) {
            //读取大结果集SQL后，清理
            userStat.getSqlLargeRowStat().clear();
        }
    }
    // write last eof
    EOFPacket lastEof = new EOFPacket();
    lastEof.packetId = ++packetId;
    buffer = lastEof.write(buffer, c, true);
    // write buffer
    c.write(buffer);
}

Example 59 with FieldPacket

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

the class ShowSQLSumUser 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, UserStat> statMap = UserStatAnalyzer.getInstance().getUserStatMap();
    for (UserStat userStat : statMap.values()) {
        i++;
        //getRow(sqlStat,sql, c.getCharset());
        RowDataPacket row = getRow(userStat, i, c.getCharset());
        row.packetId = ++packetId;
        buffer = row.write(buffer, c, true);
        if (isClear) {
            userStat.clearRwStat();
        }
    }
    // write last eof
    EOFPacket lastEof = new EOFPacket();
    lastEof.packetId = ++packetId;
    buffer = lastEof.write(buffer, c, true);
    // write buffer
    c.write(buffer);
}

Example 60 with FieldPacket

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

the class ShowSysLog method execute.

public static void execute(ManagerConnection c, int numLines) {
    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;
    String filename = SystemConfig.getHomePath() + File.separator + "logs" + File.separator + "mycat.log";
    String[] lines = getLinesByLogFile(filename, numLines);
    boolean linesIsEmpty = true;
    for (int i = 0; i < lines.length; i++) {
        String line = lines[i];
        if (line != null) {
            RowDataPacket row = new RowDataPacket(FIELD_COUNT);
            row.add(StringUtil.encode(line.substring(0, 19), c.getCharset()));
            row.add(StringUtil.encode(line.substring(19, line.length()), c.getCharset()));
            row.packetId = ++packetId;
            buffer = row.write(buffer, c, true);
            linesIsEmpty = false;
        }
    }
    if (linesIsEmpty) {
        RowDataPacket row = new RowDataPacket(FIELD_COUNT);
        row.add(StringUtil.encode("NULL", c.getCharset()));
        row.add(StringUtil.encode("NULL", 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);
}