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/* $%BEGINLICENSE%$
Copyright (c) 2008, 2009, Oracle and/or its affiliates. All rights reserved.
This program is free software; you can redistribute it and/or
modify it under the terms of the GNU General Public License as
published by the Free Software Foundation; version 2 of the
License.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
02110-1301 USA
$%ENDLICENSE%$ */
#ifndef _QUERY_HANDLING_H_
#define _QUERY_HANDLING_H_
#ifdef HAVE_CONFIG_H
#include "config.h"
#endif
#include <glib.h>
#include "network-exports.h"
typedef struct {
/**
* the content of the OK packet
*/
guint16 server_status;
guint16 warning_count;
guint64 affected_rows;
guint64 insert_id;
gboolean was_resultset; /**< if set, affected_rows and insert_id are ignored */
gboolean binary_encoded; /**< if set, the row data is binary encoded. we need the metadata to decode */
/**
* MYSQLD_PACKET_OK or MYSQLD_PACKET_ERR
*/
guint8 query_status;
} query_status;
typedef struct {
GString *query;
int id; /**< a unique id set by the scripts to map the query to a handler */
/* the userdata's need them */
GQueue *result_queue; /**< the data to parse */
query_status qstat; /**< summary information about the query status */
guint64 ts_read_query; /**< microsec timestamp when we added this query to the queues */
guint64 ts_read_query_result_first; /**< microsec timestamp when we received the first packet */
guint64 ts_read_query_result_last; /**< microsec timestamp when we received the last packet */
guint64 rows;
guint64 bytes;
gboolean resultset_is_needed; /**< flag to announce if we have to buffer the result for later processing */
} injection;
/**
* a injection_queue is GQueue for now
*
*/
typedef GQueue network_injection_queue;
NETWORK_API network_injection_queue *network_injection_queue_new(void);
NETWORK_API void network_injection_queue_free(network_injection_queue *q);
NETWORK_API void network_injection_queue_reset(network_injection_queue *q);
NETWORK_API void network_injection_queue_prepend(network_injection_queue *q, injection *inj);
NETWORK_API void network_injection_queue_append(network_injection_queue *q, injection *inj);
NETWORK_API guint network_injection_queue_len(network_injection_queue *q);
/**
* parsed result set
*/
typedef struct {
GQueue *result_queue; /**< where the packets are read from */
GPtrArray *fields; /**< the parsed fields */
GList *rows_chunk_head; /**< pointer to the EOF packet after the fields */
GList *row; /**< the current row */
query_status qstat; /**< state of this query */
guint64 rows;
guint64 bytes;
} proxy_resultset_t;
NETWORK_API injection *injection_new(int id, GString *query);
NETWORK_API void injection_free(injection *i);
NETWORK_API proxy_resultset_t *proxy_resultset_init() G_GNUC_DEPRECATED;
NETWORK_API proxy_resultset_t *proxy_resultset_new();
NETWORK_API void proxy_resultset_free(proxy_resultset_t *res);
#endif /* _QUERY_HANDLING_H_ */
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