mirror of https://github.com/sipwise/kamailio.git
You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
272 lines
6.7 KiB
272 lines
6.7 KiB
/*
|
|
* Copyright (C) 2001-2005 FhG FOKUS
|
|
* Copyright (C) 2006-2007 iptelorg GmbH
|
|
*
|
|
* This file is part of Kamailio, a free SIP server.
|
|
*
|
|
* Kamailio 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; either version 2 of the License, or
|
|
* (at your option) any later version
|
|
*
|
|
* Kamailio 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 Street, Fifth Floor, Boston, MA 02110-1301 USA
|
|
*/
|
|
|
|
/** \ingroup DB_API
|
|
* @{
|
|
*/
|
|
|
|
#include "db_cmd.h"
|
|
|
|
#include "../../dprint.h"
|
|
#include "../../mem/mem.h"
|
|
#include "../../ut.h"
|
|
|
|
#include <string.h>
|
|
#include <stdarg.h>
|
|
|
|
|
|
db_cmd_t* db_cmd(enum db_cmd_type type, db_ctx_t* ctx, char* table,
|
|
db_fld_t* result, db_fld_t* match, db_fld_t* values)
|
|
{
|
|
char* fname;
|
|
db_cmd_t* newp;
|
|
db_con_t* con;
|
|
int i, r, j;
|
|
db_drv_func_t func;
|
|
|
|
newp = (db_cmd_t*)pkg_malloc(sizeof(db_cmd_t));
|
|
if (newp == NULL) goto err;
|
|
memset(newp, '\0', sizeof(db_cmd_t));
|
|
if (db_gen_init(&newp->gen) < 0) goto err;
|
|
newp->ctx = ctx;
|
|
|
|
newp->table.len = strlen(table);
|
|
newp->table.s = (char*)pkg_malloc(newp->table.len + 1);
|
|
if (newp->table.s == NULL) goto err;
|
|
memcpy(newp->table.s, table, newp->table.len + 1);
|
|
|
|
newp->type = type;
|
|
|
|
/** FIXME: it is not clear now that this is necessary
|
|
* when we have match and value separate arrays */
|
|
if (result) {
|
|
newp->result = db_fld_copy(result);
|
|
if (newp->result == NULL) goto err;
|
|
}
|
|
|
|
if (match) {
|
|
newp->match = db_fld_copy(match);
|
|
if (newp->match == NULL) goto err;
|
|
}
|
|
|
|
if (values) {
|
|
newp->vals = db_fld_copy(values);
|
|
if (newp->vals == NULL) goto err;
|
|
}
|
|
|
|
/* FIXME: This should be redesigned so that we do not need to connect
|
|
* connections in context before comands are created, this takes splitting
|
|
* the command initializatio sequence in two steps, one would be creating
|
|
* all the data structures and the second would be checking corresponding
|
|
* fields and tables on the server.
|
|
*/
|
|
if (ctx->con_n == 0) {
|
|
ERR("No connections found in context %.*s\n", STR_FMT(&ctx->id));
|
|
goto err;
|
|
}
|
|
|
|
for(i = 0; i < ctx->con_n; i++) {
|
|
con = ctx->con[i];
|
|
|
|
r = db_drv_func(&func, &con->uri->scheme, "db_fld");
|
|
if (r < 0) goto err;
|
|
if (r > 0) func = NULL;
|
|
db_payload_idx = i;
|
|
|
|
if (!DB_FLD_EMPTY(newp->result)) {
|
|
for(j = 0; !DB_FLD_LAST(newp->result[j]); j++) {
|
|
if (func && func(newp->result + j, table) < 0) goto err;
|
|
}
|
|
newp->result_count = j;
|
|
}
|
|
|
|
if (!DB_FLD_EMPTY(newp->match)) {
|
|
for(j = 0; !DB_FLD_LAST(newp->match[j]); j++) {
|
|
if (func && func(newp->match + j, table) < 0) goto err;
|
|
}
|
|
newp->match_count = j;
|
|
}
|
|
|
|
if (!DB_FLD_EMPTY(newp->vals)) {
|
|
for(j = 0; !DB_FLD_LAST(newp->vals[j]); j++) {
|
|
if (func && func(newp->vals + j, table) < 0) goto err;
|
|
}
|
|
newp->vals_count = j;
|
|
}
|
|
|
|
r = db_drv_call(&con->uri->scheme, "db_cmd", newp, i);
|
|
if (r < 0) {
|
|
ERR("db_drv_call(\"db_cmd\") failed\n");
|
|
goto err;
|
|
}
|
|
if (r > 0) {
|
|
ERR("DB driver %.*s does not implement mandatory db_cmd function\n",
|
|
con->uri->scheme.len, ZSW(con->uri->scheme.s));
|
|
goto err;
|
|
}
|
|
if (newp->exec[i] == NULL) {
|
|
/* db_cmd in the db driver did not provide any runtime function, so try to lookup the
|
|
* default one through the module API
|
|
*/
|
|
switch(type) {
|
|
case DB_PUT: fname = "db_put"; break;
|
|
case DB_DEL: fname = "db_del"; break;
|
|
case DB_GET: fname = "db_get"; break;
|
|
case DB_UPD: fname = "db_upd"; break;
|
|
case DB_SQL: fname = "db_sql"; break;
|
|
default: ERR("db_cmd: Unsupported command type\n"); goto err;
|
|
}
|
|
|
|
r = db_drv_func((void*)&(newp->exec[i]), &con->uri->scheme, fname);
|
|
if (r < 0) goto err;
|
|
if (r > 0) {
|
|
ERR("DB driver %.*s does not provide runtime execution function %s\n",
|
|
con->uri->scheme.len, ZSW(con->uri->scheme.s), fname);
|
|
goto err;
|
|
}
|
|
}
|
|
|
|
if (type == DB_GET || type == DB_SQL) {
|
|
r = db_drv_func((void*)(&newp->first[i]), &con->uri->scheme, "db_first");
|
|
if (r < 0) goto err;
|
|
if (r > 0) {
|
|
ERR("DB driver %.*s does not implement mandatory db_first function\n",
|
|
con->uri->scheme.len, ZSW(con->uri->scheme.s));
|
|
goto err;
|
|
}
|
|
|
|
r = db_drv_func((void*)(&newp->next[i]), &con->uri->scheme, "db_next");
|
|
if (r < 0) goto err;
|
|
if (r > 0) {
|
|
ERR("DB driver %.*s does not implement mandatory db_next function\n",
|
|
con->uri->scheme.len, ZSW(con->uri->scheme.s));
|
|
goto err;
|
|
}
|
|
}
|
|
}
|
|
return newp;
|
|
|
|
err:
|
|
ERR("db_cmd: Cannot create db_cmd structure\n");
|
|
if (newp) {
|
|
db_gen_free(&newp->gen);
|
|
if (newp->result) db_fld_free(newp->result);
|
|
if (newp->match) db_fld_free(newp->match);
|
|
if (newp->vals) db_fld_free(newp->vals);
|
|
if (newp->table.s) pkg_free(newp->table.s);
|
|
pkg_free(newp);
|
|
}
|
|
return NULL;
|
|
}
|
|
|
|
|
|
void db_cmd_free(db_cmd_t* cmd)
|
|
{
|
|
if (cmd == NULL) return;
|
|
db_gen_free(&cmd->gen);
|
|
|
|
if (cmd->result) db_fld_free(cmd->result);
|
|
if (cmd->match) db_fld_free(cmd->match);
|
|
if (cmd->vals) db_fld_free(cmd->vals);
|
|
if (cmd->table.s) pkg_free(cmd->table.s);
|
|
pkg_free(cmd);
|
|
}
|
|
|
|
|
|
int db_exec(db_res_t** res, db_cmd_t* cmd)
|
|
{
|
|
db_res_t* r = NULL;
|
|
int ret;
|
|
|
|
if (res) {
|
|
r = db_res(cmd);
|
|
if (r == NULL) return -1;
|
|
}
|
|
|
|
/* FIXME */
|
|
db_payload_idx = 0;
|
|
ret = cmd->exec[0](r, cmd);
|
|
if (ret < 0) {
|
|
if (r) db_res_free(r);
|
|
return ret;
|
|
}
|
|
|
|
if (res) *res = r;
|
|
return ret;
|
|
}
|
|
|
|
|
|
int db_getopt(db_cmd_t* cmd, char* optname, ...)
|
|
{
|
|
int i, r;
|
|
db_drv_func_t func;
|
|
db_con_t* con;
|
|
va_list ap;
|
|
|
|
for(i = 0; i < cmd->ctx->con_n; i++) {
|
|
con = cmd->ctx->con[i];
|
|
|
|
r = db_drv_func(&func, &con->uri->scheme, "db_getopt");
|
|
if (r < 0) return -1;
|
|
if (r > 0) func = NULL;
|
|
db_payload_idx = i;
|
|
|
|
va_start(ap, optname);
|
|
if (func && func(cmd, optname, ap) < 0) {
|
|
va_end(ap);
|
|
return -1;
|
|
}
|
|
va_end(ap);
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
|
|
int db_setopt(db_cmd_t* cmd, char* optname, ...)
|
|
{
|
|
int i, r;
|
|
db_drv_func_t func;
|
|
db_con_t* con;
|
|
va_list ap;
|
|
|
|
for(i = 0; i < cmd->ctx->con_n; i++) {
|
|
con = cmd->ctx->con[i];
|
|
|
|
r = db_drv_func(&func, &con->uri->scheme, "db_setopt");
|
|
if (r < 0) return -1;
|
|
if (r > 0) func = NULL;
|
|
db_payload_idx = i;
|
|
|
|
va_start(ap, optname);
|
|
if (func && func(cmd, optname, ap) < 0) {
|
|
va_end(ap);
|
|
return -1;
|
|
}
|
|
va_end(ap);
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
|
|
/** @} */
|