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103 lines
3.1 KiB
103 lines
3.1 KiB
/*
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* Copyright (C) 2001-2005 FhG FOKUS
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* Copyright (C) 2006-2007 iptelorg GmbH
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*
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* This file is part of Kamailio, a free SIP server.
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*
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* Kamailio is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version
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*
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* Kamailio is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
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*/
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#ifndef _DB_CMD_H
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#define _DB_CMD_H 1
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/** \ingroup DB_API
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* @{
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*/
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/** \file
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* Representation of database commands
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*/
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#include "db_fld.h"
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#include "db_drv.h"
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#include "db_gen.h"
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#include "db_res.h"
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#include "db_rec.h"
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#include "db_ctx.h"
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#ifdef __cplusplus
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extern "C" {
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#endif /* __cplusplus */
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struct db_cmd;
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struct db_res;
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struct db_rec;
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typedef int (*db_exec_func_t)(struct db_res* res, struct db_cmd* cmd);
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typedef int (*db_first_func_t)(struct db_res* res);
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typedef int (*db_next_func_t)(struct db_res* res);
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enum db_cmd_type {
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DB_PUT, /* Insert or update new record in database */
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DB_DEL, /* Delete all matching records from database */
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DB_GET, /* Get matching records from database */
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DB_UPD, /* Update matching records in database */
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DB_SQL, /* Raw SQL query */
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};
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/**
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* Structure db_cmd describes command in DB-API
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*/
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typedef struct db_cmd {
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db_gen_t gen; /**< Generic part of the structure, must be the 1st attribute */
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enum db_cmd_type type; /**< Type of the command to be executed */
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struct db_ctx* ctx; /**< Context containing database connections to be used */
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str table; /**< Name of the table to perform the command on */
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db_exec_func_t exec[DB_PAYLOAD_MAX]; /**< Array of exec functions provided by modules */
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db_first_func_t first[DB_PAYLOAD_MAX];
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db_next_func_t next[DB_PAYLOAD_MAX];
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db_fld_t* result; /**< Fields to to be returned in result */
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db_fld_t* match; /**< Fields describing WHERE clause */
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db_fld_t* vals; /**< Fields with values for UPDATE and INSERT statements */
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unsigned int result_count; /* Number of fields in the result set */
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unsigned int match_count; /* Number of fields in the result set */
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unsigned int vals_count; /* Number of fields in the result set */
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} db_cmd_t;
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#define DB_SET_EXEC(db_cmd, func) do { \
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(db_cmd)->exec[db_payload_idx] = (func); \
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} while(0)
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struct db_cmd* db_cmd(enum db_cmd_type type, struct db_ctx* ctx, char* table,
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db_fld_t* result, db_fld_t* match, db_fld_t* value);
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void db_cmd_free(struct db_cmd* cmd);
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int db_exec(struct db_res** res, struct db_cmd* cmd);
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int db_getopt(db_cmd_t* cmd, char* optname, ...);
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int db_setopt(db_cmd_t* cmd, char* optname, ...);
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#ifdef __cplusplus
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}
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#endif /* __cplusplus */
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/** @} */
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#endif /* _DB_CMD_H */
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