35de0c392f
If a connection has not been fully established (i.e. authentication has been completed) then it should not be considered as a connection pool candidate.
82 lines
2.6 KiB
C
82 lines
2.6 KiB
C
#pragma once
|
|
/*
|
|
* Copyright (c) 2016 MariaDB Corporation Ab
|
|
*
|
|
* Use of this software is governed by the Business Source License included
|
|
* in the LICENSE.TXT file and at www.mariadb.com/bsl11.
|
|
*
|
|
* Change Date: 2020-01-01
|
|
*
|
|
* On the date above, in accordance with the Business Source License, use
|
|
* of this software will be governed by version 2 or later of the General
|
|
* Public License.
|
|
*/
|
|
|
|
/**
|
|
* @file protocol.h
|
|
*
|
|
* The protocol module interface definition.
|
|
*/
|
|
|
|
#include <maxscale/cdefs.h>
|
|
#include <maxscale/buffer.h>
|
|
|
|
MXS_BEGIN_DECLS
|
|
|
|
struct dcb;
|
|
struct server;
|
|
struct session;
|
|
|
|
/**
|
|
* @verbatim
|
|
* The operations that can be performed on the descriptor
|
|
*
|
|
* read EPOLLIN handler for the socket
|
|
* write MaxScale data write entry point
|
|
* write_ready EPOLLOUT handler for the socket, indicates
|
|
* that the socket is ready to send more data
|
|
* error EPOLLERR handler for the socket
|
|
* hangup EPOLLHUP handler for the socket
|
|
* accept Accept handler for listener socket only
|
|
* connect Create a connection to the specified server
|
|
* for the session pased in
|
|
* close MaxScale close entry point for the socket
|
|
* listen Create a listener for the protocol
|
|
* auth Authentication entry point
|
|
* session Session handling entry point
|
|
* auth_default Default authenticator name
|
|
* connlimit Maximum connection limit
|
|
* established Whether connection is fully established
|
|
* @endverbatim
|
|
*
|
|
* This forms the "module object" for protocol modules within the gateway.
|
|
*
|
|
* @see load_module
|
|
*/
|
|
typedef struct mxs_protocol
|
|
{
|
|
int32_t (*read)(struct dcb *);
|
|
int32_t (*write)(struct dcb *, GWBUF *);
|
|
int32_t (*write_ready)(struct dcb *);
|
|
int32_t (*error)(struct dcb *);
|
|
int32_t (*hangup)(struct dcb *);
|
|
int32_t (*accept)(struct dcb *);
|
|
int32_t (*connect)(struct dcb *, struct server *, struct session *);
|
|
int32_t (*close)(struct dcb *);
|
|
int32_t (*listen)(struct dcb *, char *);
|
|
int32_t (*auth)(struct dcb *, struct server *, struct session *, GWBUF *);
|
|
int32_t (*session)(struct dcb *, void *); // TODO: remove this, not used
|
|
char *(*auth_default)();
|
|
int32_t (*connlimit)(struct dcb *, int limit);
|
|
bool (*established)(struct dcb *);
|
|
} MXS_PROTOCOL;
|
|
|
|
/**
|
|
* The MXS_PROTOCOL version data. The following should be updated whenever
|
|
* the MXS_PROTOCOL structure is changed. See the rules defined in modinfo.h
|
|
* that define how these numbers should change.
|
|
*/
|
|
#define MXS_PROTOCOL_VERSION {1, 1, 0}
|
|
|
|
MXS_END_DECLS
|