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proxysql_structs.h
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#define PKT_PARSED 0
#define PKT_ERROR 1
#ifdef max_allowed_packet
#undef max_allowed_packet
#endif
#ifndef PROXYSQL_ENUMS
#define PROXYSQL_ENUMS
#define MIN_POLL_LEN 8
#define MIN_POLL_DELETE_RATIO 8
#define MY_EPOLL_THREAD_MAXEVENTS 128
enum MySerStatus {
MYSQL_SERVER_STATUS_ONLINE,
MYSQL_SERVER_STATUS_SHUNNED,
MYSQL_SERVER_STATUS_OFFLINE_SOFT,
MYSQL_SERVER_STATUS_OFFLINE_HARD,
MYSQL_SERVER_STATUS_SHUNNED_REPLICATION_LAG
};
enum log_event_type {
PROXYSQL_COM_QUERY,
PROXYSQL_MYSQL_AUTH_OK,
PROXYSQL_MYSQL_AUTH_ERR,
PROXYSQL_MYSQL_AUTH_CLOSE,
PROXYSQL_MYSQL_AUTH_QUIT,
PROXYSQL_MYSQL_CHANGE_USER_OK,
PROXYSQL_MYSQL_CHANGE_USER_ERR,
PROXYSQL_MYSQL_INITDB,
PROXYSQL_ADMIN_AUTH_OK,
PROXYSQL_ADMIN_AUTH_ERR,
PROXYSQL_ADMIN_AUTH_CLOSE,
PROXYSQL_ADMIN_AUTH_QUIT,
PROXYSQL_SQLITE_AUTH_OK,
PROXYSQL_SQLITE_AUTH_ERR,
PROXYSQL_SQLITE_AUTH_CLOSE,
PROXYSQL_SQLITE_AUTH_QUIT,
PROXYSQL_COM_STMT_EXECUTE,
PROXYSQL_COM_STMT_PREPARE
};
enum cred_username_type { USERNAME_BACKEND, USERNAME_FRONTEND, USERNAME_NONE };
#define PROXYSQL_USE_RESULT
enum ASYNC_ST { // MariaDB Async State Machine
ASYNC_CONNECT_START,
ASYNC_CONNECT_CONT,
ASYNC_CONNECT_END,
ASYNC_CONNECT_SUCCESSFUL,
ASYNC_CONNECT_FAILED,
ASYNC_CONNECT_TIMEOUT,
ASYNC_CHANGE_USER_START,
ASYNC_CHANGE_USER_CONT,
ASYNC_CHANGE_USER_END,
ASYNC_CHANGE_USER_SUCCESSFUL,
ASYNC_CHANGE_USER_FAILED,
ASYNC_CHANGE_USER_TIMEOUT,
ASYNC_PING_START,
ASYNC_PING_CONT,
ASYNC_PING_END,
ASYNC_PING_SUCCESSFUL,
ASYNC_PING_FAILED,
ASYNC_PING_TIMEOUT,
ASYNC_SET_AUTOCOMMIT_START,
ASYNC_SET_AUTOCOMMIT_CONT,
ASYNC_SET_AUTOCOMMIT_END,
ASYNC_SET_AUTOCOMMIT_SUCCESSFUL,
ASYNC_SET_AUTOCOMMIT_FAILED,
ASYNC_SET_NAMES_START,
ASYNC_SET_NAMES_CONT,
ASYNC_SET_NAMES_END,
ASYNC_SET_NAMES_SUCCESSFUL,
ASYNC_SET_NAMES_FAILED,
ASYNC_QUERY_START,
ASYNC_QUERY_CONT,
ASYNC_QUERY_END,
ASYNC_QUERY_SUCCESSFUL,
ASYNC_QUERY_FAILED,
ASYNC_QUERY_TIMEOUT,
ASYNC_NEXT_RESULT_START,
ASYNC_NEXT_RESULT_CONT,
ASYNC_NEXT_RESULT_END,
//#ifndef PROXYSQL_USE_RESULT
ASYNC_STORE_RESULT_START,
ASYNC_STORE_RESULT_CONT,
ASYNC_STORE_RESULT_END,
ASYNC_STORE_RESULT_SUCCESSFUL,
ASYNC_STORE_RESULT_FAILED,
ASYNC_STORE_RESULT_TIMEOUT,
//#endif // PROXYSQL_USE_RESULT
ASYNC_USE_RESULT_START,
ASYNC_USE_RESULT_CONT,
ASYNC_INITDB_START,
ASYNC_INITDB_CONT,
ASYNC_INITDB_END,
ASYNC_INITDB_SUCCESSFUL,
ASYNC_INITDB_FAILED,
ASYNC_SET_OPTION_START,
ASYNC_SET_OPTION_CONT,
ASYNC_SET_OPTION_END,
ASYNC_SET_OPTION_FAILED,
ASYNC_SET_OPTION_SUCCESSFUL,
ASYNC_STMT_PREPARE_START,
ASYNC_STMT_PREPARE_CONT,
ASYNC_STMT_PREPARE_END,
ASYNC_STMT_PREPARE_SUCCESSFUL,
ASYNC_STMT_PREPARE_FAILED,
ASYNC_STMT_EXECUTE_START,
ASYNC_STMT_EXECUTE_CONT,
ASYNC_STMT_EXECUTE_STORE_RESULT_START,
ASYNC_STMT_EXECUTE_STORE_RESULT_CONT,
ASYNC_STMT_EXECUTE_END,
ASYNC_CLOSE_START,
ASYNC_CLOSE_CONT,
ASYNC_CLOSE_END,
ASYNC_RESET_SESSION_START,
ASYNC_RESET_SESSION_CONT,
ASYNC_RESET_SESSION_END,
ASYNC_RESET_SESSION_SUCCESSFUL,
ASYNC_RESET_SESSION_FAILED,
ASYNC_RESET_SESSION_TIMEOUT,
ASYNC_IDLE
};
using MDB_ASYNC_ST = ASYNC_ST;
using PG_ASYNC_ST = ASYNC_ST;
// list of possible debugging modules
enum debug_module {
PROXY_DEBUG_GENERIC,
PROXY_DEBUG_NET,
PROXY_DEBUG_PKT_ARRAY,
PROXY_DEBUG_POLL,
PROXY_DEBUG_MYSQL_COM,
PROXY_DEBUG_MYSQL_SERVER,
PROXY_DEBUG_MYSQL_CONNECTION,
PROXY_DEBUG_MYSQL_CONNPOOL,
PROXY_DEBUG_MYSQL_RW_SPLIT,
PROXY_DEBUG_MYSQL_AUTH,
PROXY_DEBUG_MYSQL_PROTOCOL,
PROXY_DEBUG_MYSQL_QUERY_PROCESSOR,
PROXY_DEBUG_MEMORY,
PROXY_DEBUG_ADMIN,
PROXY_DEBUG_SQLITE,
PROXY_DEBUG_IPC,
PROXY_DEBUG_QUERY_CACHE,
PROXY_DEBUG_QUERY_STATISTICS,
PROXY_DEBUG_RESTAPI,
PROXY_DEBUG_MONITOR,
PROXY_DEBUG_CLUSTER,
PROXY_DEBUG_UNKNOWN // this module doesn't exist. It is used only to define the last possible module
};
enum MySQL_response_type {
OK_Packet,
ERR_Packet,
EOF_Packet,
UNKNOWN_Packet,
};
enum MySQL_DS_type {
MYDS_LISTENER,
MYDS_BACKEND,
MYDS_BACKEND_NOT_CONNECTED,
// MYDS_BACKEND_PAUSE_CONNECT,
// MYDS_BACKEND_FAILED_CONNECT,
MYDS_FRONTEND,
};
/* NOTE:
make special ATTENTION that the order in mysql_variable_name
and mysql_tracked_variables[] is THE SAME
*/
enum mysql_variable_name {
SQL_CHARACTER_SET,
SQL_CHARACTER_ACTION,
SQL_SET_NAMES,
SQL_CHARACTER_SET_RESULTS,
SQL_CHARACTER_SET_CONNECTION,
SQL_CHARACTER_SET_CLIENT,
SQL_CHARACTER_SET_DATABASE,
SQL_COLLATION_CONNECTION,
SQL_NAME_LAST_LOW_WM,
SQL_ISOLATION_LEVEL,
SQL_TRANSACTION_READ,
SQL_AURORA_READ_REPLICA_READ_COMMITTED,
SQL_AUTO_INCREMENT_INCREMENT,
SQL_AUTO_INCREMENT_OFFSET,
SQL_BIG_TABLES,
SQL_DEFAULT_STORAGE_ENGINE,
SQL_DEFAULT_TMP_STORAGE_ENGINE,
SQL_FOREIGN_KEY_CHECKS,
SQL_GROUP_CONCAT_MAX_LEN,
SQL_GROUP_REPLICATION_CONSISTENCY,
SQL_GTID_NEXT,
SQL_INNODB_LOCK_WAIT_TIMEOUT,
SQL_INNODB_STRICT_MODE,
SQL_INNODB_TABLE_LOCKS,
SQL_JOIN_BUFFER_SIZE,
SQL_LC_MESSAGES,
SQL_LC_TIME_NAMES,
SQL_LOCK_WAIT_TIMEOUT,
SQL_LOG_SLOW_FILTER,
SQL_LONG_QUERY_TIME,
SQL_MAX_EXECUTION_TIME,
SQL_MAX_HEAP_TABLE_SIZE,
SQL_MAX_JOIN_SIZE,
SQL_MAX_SORT_LENGTH,
SQL_MAX_STATEMENT_TIME,
SQL_OPTIMIZER_PRUNE_LEVEL,
SQL_OPTIMIZER_SEARCH_DEPTH,
SQL_OPTIMIZER_SWITCH,
SQL_OPTIMIZER_USE_CONDITION_SELECTIVITY,
SQL_PROFILING,
SQL_QUERY_CACHE_TYPE,
SQL_SORT_BUFFER_SIZE,
SQL_SQL_AUTO_IS_NULL,
SQL_SQL_BIG_SELECTS,
SQL_GENERATE_INVISIBLE_PRIMARY_KEY,
SQL_SQL_LOG_BIN,
SQL_SQL_MODE,
SQL_QUOTE_SHOW_CREATE,
SQL_REQUIRE_PRIMARY_KEY,
SQL_SQL_SAFE_UPDATES,
SQL_SQL_SELECT_LIMIT,
SQL_TIME_ZONE,
SQL_TIMESTAMP,
SQL_TMP_TABLE_SIZE,
SQL_NEXT_ISOLATION_LEVEL,
SQL_NEXT_TRANSACTION_READ,
SQL_UNIQUE_CHECKS,
SQL_WSREP_OSU_METHOD,
SQL_WSREP_SYNC_WAIT,
SQL_NAME_LAST_HIGH_WM,
};
/* NOTE:
make special ATTENTION that the order in pgsql_variable_name
and pgsql_tracked_variables[] is THE SAME
*/
enum pgsql_variable_name {
PGSQL_CLIENT_ENCODING,
PGSQL_DATESTYLE,
PGSQL_INTERVALSTYLE,
PGSQL_STANDARD_CONFORMING_STRINGS,
PGSQL_TIMEZONE,
PGSQL_NAME_LAST_LOW_WM,
PGSQL_ALLOW_IN_PLACE_TABLESPACES,
PGSQL_BYTEA_OUTPUT,
PGSQL_CLIENT_MIN_MESSAGES,
PGSQL_ENABLE_BITMAPSCAN,
PGSQL_ENABLE_HASHJOIN,
PGSQL_ENABLE_INDEXSCAN,
PGSQL_ENABLE_NESTLOOP,
PGSQL_ENABLE_SEQSCAN,
PGSQL_ENABLE_SORT,
PGSQL_ESCAPE_STRING_WARNING,
PGSQL_EXTRA_FLOAT_DIGITS,
PGSQL_MAINTENANCE_WORK_MEM,
PGSQL_SYNCHRONOUS_COMMIT,
PGSQL_NAME_LAST_HIGH_WM
};
enum session_status {
CONNECTING_CLIENT,
CONNECTING_SERVER,
LDAP_AUTH_CLIENT,
PINGING_SERVER,
WAITING_CLIENT_DATA,
WAITING_SERVER_DATA,
PROCESSING_QUERY,
CHANGING_SCHEMA,
CHANGING_CHARSET,
SETTING_CHARSET,
CHANGING_AUTOCOMMIT,
CHANGING_USER_CLIENT,
CHANGING_USER_SERVER,
RESETTING_CONNECTION,
RESETTING_CONNECTION_V2,
SETTING_INIT_CONNECT,
SETTING_LDAP_USER_VARIABLE,
SETTING_ISOLATION_LEVEL,
SETTING_TRANSACTION_READ,
SETTING_SESSION_TRACK_GTIDS,
SETTING_MULTI_STMT,
FAST_FORWARD,
PROCESSING_STMT_PREPARE,
PROCESSING_STMT_EXECUTE,
SETTING_VARIABLE,
SETTING_MULTIPLE_VARIABLES,
SETTING_SET_NAMES,
SHOW_WARNINGS,
SETTING_NEXT_ISOLATION_LEVEL,
SETTING_NEXT_TRANSACTION_READ,
session_status___NONE // special marker
};
#ifdef __cplusplus
struct mysql_variable_st {
enum mysql_variable_name idx; // index number
enum session_status status; // what status should be changed after setting this variables
bool quote; // if the variable needs to be quoted
bool set_transaction; // if related to SET TRANSACTION statement . if false , it will be execute "SET varname = varvalue" . If true, "SET varname varvalue"
bool is_number; // if true, the variable is a number. Special cases should be checked
bool is_bool; // if true, the variable is a boolean. Special cases should be checked
char * set_variable_name; // what variable name (or string) will be used when setting it to backend
char * internal_variable_name; // variable name as displayed in admin , WITHOUT "default_"
// Also used in INTERNAL SESSION
// if NULL , MySQL_Variables::MySQL_Variables will set it to set_variable_name during initialization
char * default_value; // default value
bool is_global_variable; // is it a global variable?
} ;
enum pgsql_tracked_variables_options {
PGTRACKED_VAR_OPT_QUOTE = 0x01, // if the variable needs to be quoted
PGTRACKED_VAR_OPT_SET_TRANSACTION = 0x02, // if related to SET TRANSACTION statement . if false , it will be execute "SET varname = varvalue" . If true, "SET varname varvalue"
PGTRACKED_VAR_OPT_PARAM_STATUS = 0x04, // send parameter status if set
PGTRACKED_VAR_OPT_RESERVED_1 = 0x08, // Unused
PGTRACKED_VAR_OPT_RESERVED_2 = 0x10, // Unused
PGTRACKED_VAR_OPT_RESERVED_3 = 0x20 // Unused
};
struct pgsql_variable_validator;
struct pgsql_variable_st {
enum pgsql_variable_name idx; // index number
enum session_status status; // what status should be changed after setting this variables
const char* set_variable_name; // what variable name (or string) will be used when setting it to backend
const char* internal_variable_name; // variable name as displayed in admin , WITHOUT "default_"
const char* default_value; // default value
uint8_t options; // options
const pgsql_variable_validator* validator; // validate value
const char* alias[2]; // alias for the variable
};
#define IS_PGTRACKED_VAR_OPTION_SET(opt, flag) ((opt & flag) == flag)
#define IS_PGTRACKED_VAR_OPTION_UNSET(opt, flag) ((opt & flag) == 0)
#define IS_PGTRACKED_VAR_OPTION_SET_QUOTE(opt) IS_PGTRACKED_VAR_OPTION_SET(opt.options, PGTRACKED_VAR_OPT_QUOTE)
#define IS_PGTRACKED_VAR_OPTION_SET_SET_TRANSACTION(opt) IS_PGTRACKED_VAR_OPTION_SET(opt.options, PGTRACKED_VAR_OPT_SET_TRANSACTION)
#define IS_PGTRACKED_VAR_OPTION_SET_PARAM_STATUS(opt) IS_PGTRACKED_VAR_OPTION_SET(opt.options, PGTRACKED_VAR_OPT_PARAM_STATUS)
inline bool variable_name_exists(const pgsql_variable_st& var, const char* variable_name) {
if (strcasecmp(var.set_variable_name, variable_name) == 0)
return true;
const char* const* ptr = var.alias;
while (*ptr != nullptr) {
if (strcasecmp(*ptr, variable_name) == 0) {
return true;
}
++ptr;
}
return false;
}
//using mysql_variable_st = variable_tracking<enum mysql_variable_name>;
//using pgsql_variable_st = variable_tracking<enum pgsql_variable_name>;
typedef struct {
int err;
const char* name;
} var_track_err_st;
#endif
enum mysql_data_stream_status {
STATE_NOT_INITIALIZED,
STATE_NOT_CONNECTED,
STATE_SERVER_HANDSHAKE,
STATE_CLIENT_HANDSHAKE,
STATE_CLIENT_AUTH_OK,
STATE_SSL_INIT,
STATE_SLEEP,
STATE_SLEEP_MULTI_PACKET,
STATE_CLIENT_COM_QUERY,
STATE_READY,
STATE_QUERY_SENT_DS,
STATE_QUERY_SENT_NET,
// STATE_PING_SENT_NET,
STATE_COLUMN_COUNT,
STATE_COLUMN_DEFINITION,
STATE_ROW,
STATE_EOF1,
STATE_EOF2,
STATE_OK,
STATE_ERR,
STATE_READING_COM_STMT_PREPARE_RESPONSE,
STATE_MARIADB_BEGIN, // dummy state
STATE_MARIADB_CONNECTING, // using MariaDB Client Library
STATE_MARIADB_PING,
STATE_MARIADB_SET_NAMES,
STATE_MARIADB_INITDB,
STATE_MARIADB_QUERY,
STATE_MARIADB_GENERIC, // generic state, perhaps will replace all others
STATE_MARIADB_END, // dummy state
STATE_END
/*
STATE_ONE_STRING,
STATE_OK,
STATE_FIELD_LIST,
STATE_SLEEP,
STATE_FIELD,
STATE_FIELD_BIN,
STATE_TXT_RS,
STATE_BIN_RS,
STATE_END,
STATE_ERROR,
STATE_TXT_ROW,
STATE_BIN_ROW,
STATE_NOT_CONNECTED,
STATE_CLIENT_HANDSHAKE,
STATE_COM_PONG,
STATE_STMT_META,
STATE_STMT_PARAM
*/
};
/* this expands enum enum_server_command */
enum enum_mysql_command {
_MYSQL_COM_SLEEP = 0,
_MYSQL_COM_QUIT,
_MYSQL_COM_INIT_DB,
_MYSQL_COM_QUERY,
_MYSQL_COM_FIELD_LIST,
_MYSQL_COM_CREATE_DB,
_MYSQL_COM_DROP_DB,
_MYSQL_COM_REFRESH,
_MYSQL_COM_SHUTDOWN,
_MYSQL_COM_STATISTICS,
_MYSQL_COM_PROCESS_INFO,
_MYSQL_COM_CONNECT,
_MYSQL_COM_PROCESS_KILL,
_MYSQL_COM_DEBUG,
_MYSQL_COM_PING,
_MYSQL_COM_TIME = 15,
_MYSQL_COM_DELAYED_INSERT,
_MYSQL_COM_CHANGE_USER,
_MYSQL_COM_BINLOG_DUMP,
_MYSQL_COM_TABLE_DUMP,
_MYSQL_COM_CONNECT_OUT = 20,
_MYSQL_COM_REGISTER_SLAVE,
_MYSQL_COM_STMT_PREPARE = 22,
_MYSQL_COM_STMT_EXECUTE = 23,
_MYSQL_COM_STMT_SEND_LONG_DATA = 24,
_MYSQL_COM_STMT_CLOSE = 25,
_MYSQL_COM_STMT_RESET = 26,
_MYSQL_COM_SET_OPTION = 27,
_MYSQL_COM_STMT_FETCH = 28,
_MYSQL_COM_DAEMON,
_MYSQL_COM_BINLOG_DUMP_GTID,
_MYSQL_COM_RESET_CONNECTION = 31,
_MYSQL_COM_END
};
enum proxysql_server_status {
PROXYSQL_SERVER_STATUS_OFFLINE_HARD = 0,
PROXYSQL_SERVER_STATUS_OFFLINE_SOFT = 1,
PROXYSQL_SERVER_STATUS_SHUNNED = 2,
PROXYSQL_SERVER_STATUS_ONLINE = 3,
};
enum MYSQL_COM_QUERY_command {
MYSQL_COM_QUERY_ALTER_TABLE,
MYSQL_COM_QUERY_ALTER_VIEW,
MYSQL_COM_QUERY_ANALYZE_TABLE,
MYSQL_COM_QUERY_BEGIN,
MYSQL_COM_QUERY_CALL,
MYSQL_COM_QUERY_CHANGE_MASTER,
MYSQL_COM_QUERY_CHANGE_REPLICATION_SOURCE,
MYSQL_COM_QUERY_COMMIT,
MYSQL_COM_QUERY_CREATE_DATABASE,
MYSQL_COM_QUERY_CREATE_INDEX,
MYSQL_COM_QUERY_CREATE_TABLE,
MYSQL_COM_QUERY_CREATE_TEMPORARY,
MYSQL_COM_QUERY_CREATE_TRIGGER,
MYSQL_COM_QUERY_CREATE_USER,
MYSQL_COM_QUERY_CREATE_VIEW,
MYSQL_COM_QUERY_DEALLOCATE,
MYSQL_COM_QUERY_DELETE,
MYSQL_COM_QUERY_DESCRIBE,
MYSQL_COM_QUERY_DROP_DATABASE,
MYSQL_COM_QUERY_DROP_INDEX,
MYSQL_COM_QUERY_DROP_TABLE,
MYSQL_COM_QUERY_DROP_TRIGGER,
MYSQL_COM_QUERY_DROP_USER,
MYSQL_COM_QUERY_DROP_VIEW,
MYSQL_COM_QUERY_GRANT,
MYSQL_COM_QUERY_EXECUTE,
MYSQL_COM_QUERY_EXPLAIN,
MYSQL_COM_QUERY_FLUSH,
MYSQL_COM_QUERY_INSERT,
MYSQL_COM_QUERY_KILL,
MYSQL_COM_QUERY_LOAD,
MYSQL_COM_QUERY_LOCK_TABLE,
MYSQL_COM_QUERY_OPTIMIZE,
MYSQL_COM_QUERY_PREPARE,
MYSQL_COM_QUERY_PURGE,
MYSQL_COM_QUERY_RELEASE_SAVEPOINT,
MYSQL_COM_QUERY_RENAME_TABLE,
MYSQL_COM_QUERY_RESET_MASTER,
MYSQL_COM_QUERY_RESET_BINARY_LOGS_AND_GTIDS,
MYSQL_COM_QUERY_RESET_SLAVE,
MYSQL_COM_QUERY_RESET_REPLICA,
MYSQL_COM_QUERY_REPLACE,
MYSQL_COM_QUERY_REVOKE,
MYSQL_COM_QUERY_ROLLBACK,
MYSQL_COM_QUERY_ROLLBACK_SAVEPOINT,
MYSQL_COM_QUERY_SAVEPOINT,
MYSQL_COM_QUERY_SELECT,
MYSQL_COM_QUERY_SELECT_FOR_UPDATE,
MYSQL_COM_QUERY_SET,
MYSQL_COM_QUERY_SHOW_TABLE_STATUS,
MYSQL_COM_QUERY_START_TRANSACTION,
MYSQL_COM_QUERY_TRUNCATE_TABLE,
MYSQL_COM_QUERY_UNLOCK_TABLES,
MYSQL_COM_QUERY_UPDATE,
MYSQL_COM_QUERY_USE,
MYSQL_COM_QUERY_SHOW,
MYSQL_COM_QUERY_UNKNOWN,
MYSQL_COM_QUERY__UNINITIALIZED,
MYSQL_COM_QUERY___NONE // Special marker.
};
enum PGSQL_QUERY_command {
PGSQL_QUERY_SELECT,
PGSQL_QUERY_INSERT,
PGSQL_QUERY_UPDATE,
PGSQL_QUERY_DELETE,
PGSQL_QUERY_MERGE,
PGSQL_QUERY_CREATE_TABLE,
PGSQL_QUERY_ALTER_TABLE,
PGSQL_QUERY_DROP_TABLE,
PGSQL_QUERY_TRUNCATE,
PGSQL_QUERY_COPY,
PGSQL_QUERY_CREATE_INDEX,
PGSQL_QUERY_DROP_INDEX,
PGSQL_QUERY_ALTER_INDEX,
PGSQL_QUERY_CREATE_VIEW,
PGSQL_QUERY_DROP_VIEW,
PGSQL_QUERY_ALTER_VIEW,
PGSQL_QUERY_CREATE_MATERIALIZED_VIEW,
PGSQL_QUERY_ALTER_MATERIALIZED_VIEW,
PGSQL_QUERY_REFRESH_MATERIALIZED_VIEW,
PGSQL_QUERY_DROP_MATERIALIZED_VIEW,
PGSQL_QUERY_CREATE_SEQUENCE,
PGSQL_QUERY_ALTER_SEQUENCE,
PGSQL_QUERY_DROP_SEQUENCE,
PGSQL_QUERY_CREATE_SCHEMA,
PGSQL_QUERY_DROP_SCHEMA,
PGSQL_QUERY_ALTER_SCHEMA,
PGSQL_QUERY_CREATE_FUNCTION,
PGSQL_QUERY_ALTER_FUNCTION,
PGSQL_QUERY_DROP_FUNCTION,
PGSQL_QUERY_CREATE_PROCEDURE,
PGSQL_QUERY_ALTER_PROCEDURE,
PGSQL_QUERY_CALL,
PGSQL_QUERY_DROP_PROCEDURE,
PGSQL_QUERY_CREATE_AGGREGATE,
PGSQL_QUERY_ALTER_AGGREGATE,
PGSQL_QUERY_DROP_AGGREGATE,
PGSQL_QUERY_CREATE_OPERATOR,
PGSQL_QUERY_ALTER_OPERATOR,
PGSQL_QUERY_DROP_OPERATOR,
PGSQL_QUERY_CREATE_TYPE,
PGSQL_QUERY_ALTER_TYPE,
PGSQL_QUERY_DROP_TYPE,
PGSQL_QUERY_CREATE_DOMAIN,
PGSQL_QUERY_ALTER_DOMAIN,
PGSQL_QUERY_DROP_DOMAIN,
PGSQL_QUERY_CREATE_TRIGGER,
PGSQL_QUERY_ALTER_TRIGGER,
PGSQL_QUERY_DROP_TRIGGER,
PGSQL_QUERY_CREATE_RULE,
PGSQL_QUERY_ALTER_RULE,
PGSQL_QUERY_DROP_RULE,
PGSQL_QUERY_CREATE_EXTENSION,
PGSQL_QUERY_ALTER_EXTENSION,
PGSQL_QUERY_DROP_EXTENSION,
PGSQL_QUERY_CREATE_POLICY,
PGSQL_QUERY_ALTER_POLICY,
PGSQL_QUERY_DROP_POLICY,
PGSQL_QUERY_CREATE_ROLE,
PGSQL_QUERY_ALTER_ROLE,
PGSQL_QUERY_DROP_ROLE,
PGSQL_QUERY_CREATE_USER,
PGSQL_QUERY_ALTER_USER,
PGSQL_QUERY_DROP_USER,
PGSQL_QUERY_GRANT,
PGSQL_QUERY_REVOKE,
PGSQL_QUERY_COMMENT,
PGSQL_QUERY_NOTIFY,
PGSQL_QUERY_LISTEN,
PGSQL_QUERY_UNLISTEN,
PGSQL_QUERY_LOCK,
PGSQL_QUERY_CHECKPOINT,
PGSQL_QUERY_REINDEX,
PGSQL_QUERY_VACUUM,
PGSQL_QUERY_ANALYZE,
PGSQL_QUERY_EXPLAIN,
PGSQL_QUERY_EXECUTE,
PGSQL_QUERY_PREPARE,
PGSQL_QUERY_DEALLOCATE,
PGSQL_QUERY_FETCH,
PGSQL_QUERY_MOVE,
PGSQL_QUERY_SAVEPOINT,
PGSQL_QUERY_ROLLBACK_TO_SAVEPOINT,
PGSQL_QUERY_RELEASE_SAVEPOINT,
PGSQL_QUERY_BEGIN,
PGSQL_QUERY_COMMIT,
PGSQL_QUERY_ROLLBACK,
PGSQL_QUERY_DECLARE_CURSOR,
PGSQL_QUERY_CLOSE_CURSOR,
PGSQL_QUERY_DISCARD,
PGSQL_QUERY_SHOW,
PGSQL_QUERY_SET,
PGSQL_QUERY_RESET,
PGSQL_QUERY_ALTER_DATABASE,
PGSQL_QUERY_CREATE_DATABASE,
PGSQL_QUERY_DROP_DATABASE,
PGSQL_QUERY_CREATE_COLLATION,
PGSQL_QUERY_ALTER_COLLATION,
PGSQL_QUERY_DROP_COLLATION,
PGSQL_QUERY_CREATE_TEXT_SEARCH_CONFIGURATION,
PGSQL_QUERY_ALTER_TEXT_SEARCH_CONFIGURATION,
PGSQL_QUERY_DROP_TEXT_SEARCH_CONFIGURATION,
PGSQL_QUERY_CREATE_TEXT_SEARCH_DICTIONARY,
PGSQL_QUERY_ALTER_TEXT_SEARCH_DICTIONARY,
PGSQL_QUERY_DROP_TEXT_SEARCH_DICTIONARY,
PGSQL_QUERY_CREATE_TEXT_SEARCH_TEMPLATE,
PGSQL_QUERY_ALTER_TEXT_SEARCH_TEMPLATE,
PGSQL_QUERY_DROP_TEXT_SEARCH_TEMPLATE,
PGSQL_QUERY_CREATE_TEXT_SEARCH_PARSER,
PGSQL_QUERY_ALTER_TEXT_SEARCH_PARSER,
PGSQL_QUERY_DROP_TEXT_SEARCH_PARSER,
PGSQL_QUERY_CREATE_FOREIGN_TABLE,
PGSQL_QUERY_ALTER_FOREIGN_TABLE,
PGSQL_QUERY_DROP_FOREIGN_TABLE,
PGSQL_QUERY_IMPORT_FOREIGN_SCHEMA,
PGSQL_QUERY_CREATE_SERVER,
PGSQL_QUERY_ALTER_SERVER,
PGSQL_QUERY_DROP_SERVER,
PGSQL_QUERY_CREATE_USER_MAPPING,
PGSQL_QUERY_ALTER_USER_MAPPING,
PGSQL_QUERY_DROP_USER_MAPPING,
PGSQL_QUERY_CREATE_PUBLICATION,
PGSQL_QUERY_ALTER_PUBLICATION,
PGSQL_QUERY_DROP_PUBLICATION,
PGSQL_QUERY_CREATE_SUBSCRIPTION,
PGSQL_QUERY_ALTER_SUBSCRIPTION,
PGSQL_QUERY_DROP_SUBSCRIPTION,
PGSQL_QUERY_CREATE_ACCESS_METHOD,
PGSQL_QUERY_ALTER_ACCESS_METHOD,
PGSQL_QUERY_DROP_ACCESS_METHOD,
PGSQL_QUERY_CREATE_EVENT_TRIGGER,
PGSQL_QUERY_ALTER_EVENT_TRIGGER,
PGSQL_QUERY_DROP_EVENT_TRIGGER,
PGSQL_QUERY_CREATE_TRANSFORM,
PGSQL_QUERY_ALTER_TRANSFORM,
PGSQL_QUERY_DROP_TRANSFORM,
PGSQL_QUERY_CREATE_CAST,
PGSQL_QUERY_ALTER_CAST,
PGSQL_QUERY_DROP_CAST,
PGSQL_QUERY_CREATE_OPERATOR_CLASS,
PGSQL_QUERY_ALTER_OPERATOR_CLASS,
PGSQL_QUERY_DROP_OPERATOR_CLASS,
PGSQL_QUERY_CREATE_OPERATOR_FAMILY,
PGSQL_QUERY_ALTER_OPERATOR_FAMILY,
PGSQL_QUERY_DROP_OPERATOR_FAMILY,
PGSQL_QUERY_CREATE_TABLESPACE,
PGSQL_QUERY_ALTER_TABLESPACE,
PGSQL_QUERY_DROP_TABLESPACE,
PGSQL_QUERY_CLUSTER,
PGSQL_QUERY_START_REPLICATION,
PGSQL_QUERY_UNKNOWN,
PGSQL_QUERY__UNINITIALIZED,
PGSQL_QUERY___NONE // Special marker.
};
enum handle_unknown_charset {
HANDLE_UNKNOWN_CHARSET__DISCONNECT_CLIENT,
HANDLE_UNKNOWN_CHARSET__REPLACE_WITH_DEFAULT_VERBOSE,
HANDLE_UNKNOWN_CHARSET__REPLACE_WITH_DEFAULT,
HANDLE_UNKNOWN_CHARSET__MAX_HANDLE_VALUE
};
/**
* Enum holding the different MySQL connection errors that are used to report
* invalid states in the backend connections.
*/
enum PROXYSQL_MYSQL_ERR {
ER_PROXYSQL_MAX_CONN_TIMEOUT = 9001,
ER_PROXYSQL_MAX_CONN_FAILURES = 9002,
ER_PROXYSQL_COMMAND_NOT_SUPPORTED = 9003,
ER_PROXYSQL_OFFLINE_SRV = 9004,
ER_PROXYSQL_LAGGING_SRV = 9005,
ER_PROXYSQL_PING_TIMEOUT = 9006,
ER_PROXYSQL_CHANGE_USER_TIMEOUT = 9007,
ER_PROXYSQL_GR_HEALTH_CONN_CHECK_TIMEOUT = 9020,
ER_PROXYSQL_GR_HEALTH_CHECK_TIMEOUT = 9008,
ER_PROXYSQL_GR_HEALTH_CHECKS_MISSED = 9009,
ER_PROXYSQL_READ_ONLY_CHECK_CONN_TIMEOUT = 9010,
ER_PROXYSQL_READ_ONLY_CHECK_TIMEOUT = 9011,
ER_PROXYSQL_READ_ONLY_CHECKS_MISSED = 9012,
ER_PROXYSQL_GALERA_HEALTH_CHECK_CONN_TIMEOUT = 9013,
ER_PROXYSQL_GALERA_HEALTH_CHECK_TIMEOUT = 9014,
ER_PROXYSQL_GALERA_HEALTH_CHECKS_MISSED = 9015,
ER_PROXYSQL_AWS_NO_PINGABLE_SRV = 9016,
ER_PROXYSQL_AWS_HEALTH_CHECK_CONN_TIMEOUT = 9017,
ER_PROXYSQL_AWS_HEALTH_CHECK_TIMEOUT = 9018,
ER_PROXYSQL_SRV_NULL_REPLICATION_LAG = 9019,
ER_PROXYSQL_CONNECT_TIMEOUT = 9020,
ER_PROXYSQL_READONLY_TIMEOUT = 9021,
};
enum proxysql_session_type {
PROXYSQL_SESSION_MYSQL,
PROXYSQL_SESSION_ADMIN,
PROXYSQL_SESSION_STATS,
PROXYSQL_SESSION_SQLITE,
PROXYSQL_SESSION_CLICKHOUSE,
PROXYSQL_SESSION_MYSQL_EMU,
PROXYSQL_SESSION_PGSQL,
PROXYSQL_SESSION_NONE
};
#endif /* PROXYSQL_ENUMS */
#ifndef PROXYSQL_TYPEDEFS
#define PROXYSQL_TYPEDEFS
#ifdef DEBUG
typedef struct _debug_level debug_level;
#endif /* DEBUG */
typedef struct _global_variables_t global_variables;
typedef struct _global_variable_entry_t global_variable_entry_t;
typedef struct _mysql_data_stream_t mysql_data_stream_t;
typedef struct _mysql_session_t mysql_session_t;
typedef struct _bytes_stats_t bytes_stats_t;
typedef struct _mysql_hdr mysql_hdr;
typedef int (*PKT_HANDLER)(u_char *pkt, u_int len);
typedef struct __fdb_hash_t fdb_hash_t;
typedef struct __fdb_hash_entry fdb_hash_entry;
typedef unsigned spinlock;
typedef struct _rwlock_t rwlock_t;
typedef struct _PtrSize_t PtrSize_t;
typedef struct _proxysql_mysql_thread_t proxysql_mysql_thread_t;
typedef struct _proxysql_pgsql_thread_t proxysql_pgsql_thread_t;
typedef struct { char * table_name; char * table_def; } table_def_t;
typedef struct __SQP_query_parser_t SQP_par_t;
#endif /* PROXYSQL_TYPEDEFS */
//#ifdef __cplusplus
#ifndef PROXYSQL_CLASSES
#define PROXYSQL_CLASSES
class MySQL_Data_Stream;
class PgSQL_Data_Stream;
class MySQL_Connection_userinfo;
class MySQL_Session;
class PgSQL_Session;
class MySQL_Backend;
class PgSQL_Backend;
class MySQL_Monitor;
class PgSQL_Thread;
class MySQL_Thread;
class MySQL_Threads_Handler;
class SQLite3DB;
class SimpleKV;
class AdvancedKV;
template <class T>
class ProxySQL_Poll;
class MySQL_Query_Cache;
class PgSQL_Query_Cache;
class MySQL_Authentication;
class MySQL_Connection;
class PgSQL_Connection;
class MySQL_Protocol;
class PtrArray;
class PtrSizeArray;
class StatCounters;
class ProxySQL_ConfigFile;
class Query_Info;
class SQLite3_result;
class stmt_execute_metadata_t;
class MySQL_STMTs_meta;
class MySQL_HostGroups_Manager;
class PgSQL_HostGroups_Manager;
class ProxySQL_HTTP_Server;
class MySQL_STMTs_local_v14;
class MySQL_STMT_Global_info;
class StmtLongDataHandler;
class ProxySQL_Cluster;
class MySQL_ResultSet;
class MySQL_Query_Processor_Output;
class PgSQL_Query_Processor_Output;
class MySrvC;
class Web_Interface_plugin;
class ProxySQL_Node_Address;
#endif /* PROXYSQL_CLASSES */
//#endif /* __cplusplus */
#ifndef PROXYSQL_STRUCTS
#define PROXYSQL_STRUCTS
#define QUERY_DIGEST_BUF 128
struct __SQP_query_parser_t {
char buf[QUERY_DIGEST_BUF];
uint64_t digest;
uint64_t digest_total;
char *digest_text;
char *first_comment;
char *query_prefix;
};
struct _PtrSize_t {
unsigned int size;
void *ptr;
};
// struct for debugging module
#ifdef DEBUG
struct _debug_level {
enum debug_module module;
int verbosity;
char *name;
};
#endif /* DEBUG */
struct _rwlock_t {
spinlock lock;
unsigned readers;
};
// counters for number of bytes received and sent
struct _bytes_stats_t {
uint64_t bytes_recv;
uint64_t bytes_sent;
};
struct __fdb_hash_t {
rwlock_t lock;
uint64_t dataSize;
uint64_t purgeChunkSize;
uint64_t purgeIdx;
};
struct __fdb_hash_entry {
unsigned char *key;
unsigned char *value;
fdb_hash_t *hash;
struct __fdb_hash_entry *self;
uint32_t klen;
uint32_t length;
time_t expire;
time_t access;
uint32_t ref_count;
};
#define MAX_EVENTS_PER_STATE 15
struct mysql_protocol_events {
PKT_HANDLER ha[MAX_EVENTS_PER_STATE];
uint8_t num_events;
uint8_t event[MAX_EVENTS_PER_STATE];
uint8_t next_state[MAX_EVENTS_PER_STATE];
};
// this struct define global variable entries, and how these are configured during startup
struct _global_variable_entry_t {
const char *group_name; // [group name] in proxysql.cnf
const char *key_name; // key name
int dynamic; // if dynamic > 0 , reconfigurable
//GOptionArg arg; // type of variable
void *arg_data; // pointer to variable
const char *description;
long long value_min;
long long value_max;
long long value_round; // > 0 if value needs to be rounded
int value_multiplier; // if the value needs to be multiplied
long long int_default; // numeric default if applies
const char *char_default; // string default if applies
void (*func_pre)(global_variable_entry_t *); // function called before initializing variable
void (*func_post)(global_variable_entry_t *); // function called after initializing variable
};
// structure that defines mysql protocol header
struct _mysql_hdr {
u_int pkt_length:24, pkt_id:8;
};
struct _proxysql_mysql_thread_t {
MySQL_Thread *worker;
pthread_t thread_id;
};
struct _proxysql_pgsql_thread_t {
PgSQL_Thread* worker;
pthread_t thread_id;
};
/* Every communication between client and proxysql, and between proxysql and mysql server is
* performed within a mysql_data_stream_t
*/
struct _mysql_data_stream_t {
mysql_session_t *sess; // pointer to the session using this data stream
uint64_t pkts_recv; // counter of received packets
uint64_t pkts_sent; // counter of sent packets
bytes_stats_t bytes_info; // bytes statistics
int fd; // file descriptor
struct evbuffer *evbIN;
struct evbuffer *evbOUT;
int active_transaction; // 1 if there is an active transaction
int active; // data stream is active. If not, shutdown+close needs to be called
int status; // status . FIXME: make it a ORable variable
};
struct _global_variables_t {
pthread_rwlock_t rwlock_usernames;
bool has_debug;
bool idle_threads;
bool version_check;
volatile int shutdown;
bool nostart;
int reload;
unsigned char protocol_version;
char *mysql_server_version;
uint32_t server_capabilities;
uint8_t server_language;
uint16_t server_status;
uint32_t thread_id;
int merge_configfile_db;
int stack_size;
char *proxy_admin_socket;
char *proxy_mysql_bind;
char *proxy_admin_bind; // FIXME: to remove
char *proxy_stats_bind; // FIXME: to remove
int proxy_mysql_port; // FIXME: to remove
int proxy_admin_port; // FIXME: to remove
int proxy_stats_port; // FIXME: to remove
int proxy_admin_refresh_status_interval; // FIXME: to remove
int proxy_stats_refresh_status_interval; // FIXME: to remove
int backlog;
int admin_sync_disk_on_flush;
int admin_sync_disk_on_shutdown;
int mysql_poll_timeout;
int mysql_poll_timeout_maintenance;
int mysql_maintenance_timeout;
int mysql_threads;
bool mysql_auto_reconnect_enabled;
bool mysql_query_cache_enabled;
bool mysql_query_cache_precheck;
bool mysql_query_statistics;
bool mysql_query_statistics_interval;
int mysql_query_cache_partitions;
int mysql_parse_trx_cmds;
int mysql_share_connections;
unsigned int mysql_query_cache_default_timeout;
unsigned long long mysql_wait_timeout;
unsigned long long mysql_max_resultset_size;
int mysql_max_query_size;
int mysql_hostgroups;
// this user needs only USAGE grants
// and it is use only to create a connection
char *mysql_usage_user;
char *mysql_usage_password;
char *proxy_admin_user;