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124 lines
2.8 KiB
C++
124 lines
2.8 KiB
C++
/*
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Copyright (c) 2019 Sogou, Inc.
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Licensed under the Apache License, Version 2.0 (the "License");
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you may not use this file except in compliance with the License.
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You may obtain a copy of the License at
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http://www.apache.org/licenses/LICENSE-2.0
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Unless required by applicable law or agreed to in writing, software
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distributed under the License is distributed on an "AS IS" BASIS,
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WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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See the License for the specific language governing permissions and
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limitations under the License.
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Authors: Wu Jiaxu (wujiaxu@sogou-inc.com)
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*/
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#ifndef _MYSQLMESSAGE_H_
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#define _MYSQLMESSAGE_H_
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#include <stdint.h>
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#include <string>
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#include "ProtocolMessage.h"
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#include "mysql_stream.h"
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#include "mysql_parser.h"
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#include "mysql_byteorder.h"
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/**
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* @file MySQLMessage.h
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* @brief MySQL Protocol Interface
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*/
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namespace protocol
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{
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class MySQLMessage : public ProtocolMessage
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{
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public:
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mysql_parser_t *get_parser() const;
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int get_seqid() const;
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void set_seqid(int seqid);
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int get_command() const;
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protected:
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virtual int append(const void *buf, size_t *size);
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virtual int encode(struct iovec vectors[], int max);
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virtual int decode_packet(const unsigned char *buf, size_t buflen) { return 1; }
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void set_command(int cmd) const;
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//append
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mysql_stream_t *stream_;
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mysql_parser_t *parser_;
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//encode
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unsigned char heads_[256][4];
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uint8_t seqid_;
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std::string buf_;
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size_t cur_size_;
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public:
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MySQLMessage();
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virtual ~MySQLMessage();
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//move constructor
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MySQLMessage(MySQLMessage&& move);
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//move operator
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MySQLMessage& operator= (MySQLMessage&& move);
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};
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class MySQLRequest : public MySQLMessage
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{
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public:
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void set_query(const char *query);
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void set_query(const std::string& query);
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void set_query(const char *query, size_t length);
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std::string get_query() const;
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bool query_is_unset() const;
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public:
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MySQLRequest() = default;
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//move constructor
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MySQLRequest(MySQLRequest&& move) = default;
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//move operator
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MySQLRequest& operator= (MySQLRequest&& move) = default;
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};
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class MySQLResponse : public MySQLMessage
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{
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public:
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bool is_ok_packet() const;
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bool is_error_packet() const;
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int get_packet_type() const;
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unsigned long long get_affected_rows() const;
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unsigned long long get_last_insert_id() const;
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int get_warnings() const;
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int get_error_code() const;
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std::string get_error_msg() const;
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std::string get_sql_state() const;
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std::string get_info() const;
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void set_ok_packet();
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public:
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MySQLResponse() = default;
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//move constructor
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MySQLResponse(MySQLResponse&& move) = default;
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//move operator
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MySQLResponse& operator= (MySQLResponse&& move) = default;
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protected:
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virtual int decode_packet(const unsigned char *buf, size_t buflen);
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};
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}
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//impl. not for user
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#include "MySQLMessage.inl"
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#endif
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