1 /*
2    Copyright (c) 2013, 2021, Oracle and/or its affiliates.
3 
4    This program is free software; you can redistribute it and/or modify
5    it under the terms of the GNU General Public License, version 2.0,
6    as published by the Free Software Foundation.
7 
8    This program is also distributed with certain software (including
9    but not limited to OpenSSL) that is licensed under separate terms,
10    as designated in a particular file or component or in included license
11    documentation.  The authors of MySQL hereby grant you an additional
12    permission to link the program and your derivative works with the
13    separately licensed software that they have included with MySQL.
14 
15    This program is distributed in the hope that it will be useful,
16    but WITHOUT ANY WARRANTY; without even the implied warranty of
17    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
18    GNU General Public License, version 2.0, for more details.
19 
20    You should have received a copy of the GNU General Public License
21    along with this program; if not, write to the Free Software
22    Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301  USA */
23 
24 
25 #ifndef TABLE_REPLICATION_CONFIGURATION_H
26 #define TABLE_REPLICATION_CONFIGURATION_H
27 
28 /**
29   @file storage/perfschema/table_replication_connection_configuration.h
30   Table replication_connection_configuration (declarations).
31 */
32 
33 #include "pfs_column_types.h"
34 #include "pfs_engine_table.h"
35 #include "rpl_mi.h"
36 #include "mysql_com.h"
37 #include "rpl_msr.h"
38 #include "rpl_info.h"  /* CHANNEL_NAME_LENGTH*/
39 
40 class Master_info;
41 
42 /**
43   @addtogroup Performance_schema_tables
44   @{
45 */
46 
47 #ifndef ENUM_RPL_YES_NO
48 #define ENUM_RPL_YES_NO
49 enum enum_rpl_yes_no {
50   PS_RPL_YES= 1,
51   PS_RPL_NO
52 };
53 #endif
54 
55 /** enum values for SSL_Allowed*/
56 enum enum_ssl_allowed {
57     PS_SSL_ALLOWED_YES= 1,
58     PS_SSL_ALLOWED_NO,
59     PS_SSL_ALLOWED_IGNORED
60 };
61 
62 /**
63   A row in the table. The fields with string values have an additional
64   length field denoted by <field_name>_length.
65 */
66 struct st_row_connect_config {
67   char channel_name[CHANNEL_NAME_LENGTH];
68   uint channel_name_length;
69   char host[HOSTNAME_LENGTH];
70   uint host_length;
71   uint port;
72   char user[USERNAME_LENGTH];
73   uint user_length;
74   char network_interface[HOSTNAME_LENGTH];
75   uint network_interface_length;
76   enum_rpl_yes_no auto_position;
77   enum_ssl_allowed ssl_allowed;
78   char ssl_ca_file[FN_REFLEN];
79   uint ssl_ca_file_length;
80   char ssl_ca_path[FN_REFLEN];
81   uint ssl_ca_path_length;
82   char ssl_certificate[FN_REFLEN];
83   uint ssl_certificate_length;
84   char ssl_cipher[FN_REFLEN];
85   uint ssl_cipher_length;
86   char ssl_key[FN_REFLEN];
87   uint ssl_key_length;
88   enum_rpl_yes_no ssl_verify_server_certificate;
89   char ssl_crl_file[FN_REFLEN];
90   uint ssl_crl_file_length;
91   char ssl_crl_path[FN_REFLEN];
92   uint ssl_crl_path_length;
93   uint connection_retry_interval;
94   ulong connection_retry_count;
95   double heartbeat_interval;
96   char tls_version[FN_REFLEN];
97   uint tls_version_length;
98 };
99 
100 /** Table PERFORMANCE_SCHEMA.TABLE_REPLICATION_CONNECTION_CONFIGURATION. */
101 class table_replication_connection_configuration: public PFS_engine_table
102 {
103   typedef PFS_simple_index pos_t;
104 
105 private:
106   void make_row(Master_info *);
107 
108   /** Table share lock. */
109   static THR_LOCK m_table_lock;
110   /** Fields definition. */
111   static TABLE_FIELD_DEF m_field_def;
112   /** True if the current row exists. */
113   bool m_row_exists;
114   /** Current row */
115   st_row_connect_config m_row;
116   /** Current position. */
117   pos_t m_pos;
118   /** Next position. */
119   pos_t m_next_pos;
120 
121 protected:
122   /**
123     Read the current row values.
124     @param table            Table handle
125     @param buf              row buffer
126     @param fields           Table fields
127     @param read_all         true if all columns are read.
128   */
129 
130   virtual int read_row_values(TABLE *table,
131                               unsigned char *buf,
132                               Field **fields,
133                               bool read_all);
134 
135   table_replication_connection_configuration();
136 
137 public:
138   ~table_replication_connection_configuration();
139 
140   /** Table share. */
141   static PFS_engine_table_share m_share;
142   static PFS_engine_table* create();
143   static ha_rows get_row_count();
144   virtual int rnd_next();
145   virtual int rnd_pos(const void *pos);
146   virtual void reset_position(void);
147 
148 };
149 
150 /** @} */
151 #endif
152