/* * Copyright (c) 2019, Oracle and/or its affiliates. All rights reserved. * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License, version 2.0, * as published by the Free Software Foundation. * * This program is also distributed with certain software (including * but not limited to OpenSSL) that is licensed under separate terms, * as designated in a particular file or component or in included license * documentation. The authors of MySQL hereby grant you an additional * permission to link the program and your derivative works with the * separately licensed software that they have included with MySQL. * * This program is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License, version 2.0, for more details. * * You should have received a copy of the GNU General Public License * along with this program; if not, write to the Free Software * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA */ /** @file include/my_hostname.h Common definition used by mysys, performance schema and server & client. */ #ifndef MY_HOSTNAME_INCLUDED #define MY_HOSTNAME_INCLUDED /* Note that this is the actual length available, and that room for a trailing '\0' is not included in this size. The metadata columns storing hostname use single byte character as they are using ASCII character set. pre 8.0.17: 60 characters */ static constexpr int HOSTNAME_LENGTH = 255; /* Number of characters that a port number can have. As per rfc6335 section 6, the range is 0 to 65535. */ static constexpr int PORTNUMBER_LENGTH = 5; /** Number of bytes required to hold "hostname:portnumber" */ static constexpr int HOST_AND_PORT_LENGTH = (HOSTNAME_LENGTH + 1 + PORTNUMBER_LENGTH + 1); #endif /* MY_HOSTNAME_INCLUDED */