126 lines
4.5 KiB
C++
126 lines
4.5 KiB
C++
/*
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Copyright (c) 2016, 2018, 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 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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*/
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#ifndef ROUTER_MYSQL_SESSION_REPLAYER_INCLUDED
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#define ROUTER_MYSQL_SESSION_REPLAYER_INCLUDED
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#include <deque>
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#include "mysqlrouter/mysql_session.h"
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class MySQLSessionReplayer : public mysqlrouter::MySQLSession {
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public:
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MySQLSessionReplayer(bool trace = false);
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~MySQLSessionReplayer() override;
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virtual void connect(const std::string &host, unsigned int port,
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const std::string &user, const std::string &password,
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const std::string &unix_socket,
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const std::string &default_schema,
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int connect_timeout = kDefaultConnectTimeout,
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int read_timeout = kDefaultReadTimeout) override;
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virtual void disconnect() override;
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virtual bool is_connected() noexcept override { return connected_; }
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virtual void execute(const std::string &sql) override;
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virtual void query(const std::string &sql,
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const RowProcessor &processor) override;
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virtual std::unique_ptr<ResultRow> query_one(const std::string &sql) override;
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virtual uint64_t last_insert_id() noexcept override;
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virtual std::string quote(const std::string &s,
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char qchar = '\'') noexcept override;
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virtual const char *last_error() override;
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virtual unsigned int last_errno() override;
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public:
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class optional_string {
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public:
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optional_string(const char *s) : s_(s ? s : ""), is_null_(s == nullptr) {}
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optional_string() : is_null_(true) {}
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operator const std::string &() const { return s_; }
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operator bool() const { return !is_null_; }
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const char *c_str() const { return !is_null_ ? s_.c_str() : nullptr; }
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private:
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std::string s_;
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bool is_null_;
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};
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optional_string string_or_null(const char *s) { return optional_string(s); }
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optional_string string_or_null() { return optional_string(); }
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MySQLSessionReplayer &expect_connect(const std::string &host, unsigned port,
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const std::string &user,
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const std::string &password,
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const std::string &unix_socket);
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MySQLSessionReplayer &expect_execute(const std::string &q);
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MySQLSessionReplayer &expect_query(const std::string &q);
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MySQLSessionReplayer &expect_query_one(const std::string &q);
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void then_ok(uint64_t the_last_insert_id = 0);
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void then_error(const std::string &error, unsigned int code);
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void then_return(unsigned int num_fields,
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std::vector<std::vector<optional_string>> rows);
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bool print_expected();
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bool empty() { return call_info_.empty(); }
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void clear_expects() { call_info_.clear(); }
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private:
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struct CallInfo {
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CallInfo() {}
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CallInfo(const CallInfo &ci);
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enum Type { Connect, Execute, Query, QueryOne };
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// common fields
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Type type;
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std::string error;
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unsigned int error_code = 0;
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// SQL fields
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std::string sql;
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uint64_t last_insert_id = 0;
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unsigned int num_fields = 0;
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std::vector<std::vector<optional_string>> rows;
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// connect fields
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std::string host;
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unsigned int port;
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std::string user;
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std::string password;
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std::string unix_socket;
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};
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std::deque<CallInfo> call_info_;
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uint64_t last_insert_id_;
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std::string last_error_msg;
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unsigned int last_error_code;
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bool trace_ = false;
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bool connected_ = false;
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};
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#endif // ROUTER_MYSQL_SESSION_REPLAYER_INCLUDED
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