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84 lines
2.5 KiB
84 lines
2.5 KiB
5 months ago
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/* Copyright (c) 2015, 2019, Oracle and/or its affiliates. All rights reserved.
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License, version 2.0,
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as published by the Free Software Foundation.
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This program is also distributed with certain software (including
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but not limited to OpenSSL) that is licensed under separate terms,
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as designated in a particular file or component or in included license
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documentation. The authors of MySQL hereby grant you an additional
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permission to link the program and your derivative works with the
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separately licensed software that they have included with MySQL.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License, version 2.0, for more details.
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You should have received a copy of the GNU General Public License
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along with this program; if not, write to the Free Software
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Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA */
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#ifndef BOOTSTRAP_IMPL_H
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#define BOOTSTRAP_IMPL_H 1
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#include <string>
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#include "sql/sql_bootstrap.h" // MAX_BOOTSTRAP_QUERY_SIZE
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namespace bootstrap {
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/** Abstract interface to reading bootstrap commands */
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class Command_iterator {
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public:
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typedef void (*log_function_t)(const char *message);
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/**
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start processing the iterator
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@retval false Success
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@retval true failure
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*/
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virtual bool begin(void) { return false; }
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/**
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Get the next query string.
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@param[out] query return the query
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@return one of the READ_BOOTSTRAP
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*/
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virtual int next(std::string &query) = 0;
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virtual void report_error_details(log_function_t log) = 0;
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/** End processing the iterator */
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virtual void end(void) {}
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protected:
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Command_iterator() {}
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~Command_iterator() {}
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};
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/** File bootstrap command reader */
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class File_command_iterator : public Command_iterator {
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public:
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File_command_iterator(const char *file_name, MYSQL_FILE *input,
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fgets_fn_t fgets_fn)
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: m_input(input), m_fgets_fn(fgets_fn) {
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m_parser_state.init(file_name);
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}
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virtual ~File_command_iterator();
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int next(std::string &query) override;
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void report_error_details(log_function_t log) override;
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protected:
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bootstrap_parser_state m_parser_state;
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MYSQL_FILE *m_input;
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fgets_fn_t m_fgets_fn;
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};
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} // namespace bootstrap
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#endif /* BOOTSTRAP_IMPL_H */
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